CN114279010A - Multi-working-condition switching control method, device and system for ice storage system - Google Patents
Multi-working-condition switching control method, device and system for ice storage system Download PDFInfo
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- CN114279010A CN114279010A CN202111546729.5A CN202111546729A CN114279010A CN 114279010 A CN114279010 A CN 114279010A CN 202111546729 A CN202111546729 A CN 202111546729A CN 114279010 A CN114279010 A CN 114279010A
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- 238000000034 method Methods 0.000 title claims abstract description 115
- 230000006870 function Effects 0.000 claims abstract description 30
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 115
- 230000008569 process Effects 0.000 claims description 72
- 238000001816 cooling Methods 0.000 claims description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000000498 cooling water Substances 0.000 claims description 23
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 23
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 16
- 238000007710 freezing Methods 0.000 claims description 11
- 230000008014 freezing Effects 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 10
- 238000005057 refrigeration Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The application relates to a multi-working-condition switching control method, a device and a system of an ice storage system, wherein the method comprises the steps of obtaining functional parameters of the current working condition, wherein the functional parameters comprise real-time; judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table; wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to. According to the method and the device, the functional parameters of the current working condition are compared with the switching judgment conditions in the preset functional parameter table, the current working condition and the target working condition can be automatically switched according to the comparison result, and the effect of flexible use of the functions of all working conditions in the ice cold storage system is achieved.
Description
Technical Field
The application relates to the technical field of cold storage air conditioning systems, in particular to a multi-working-condition switching control method, device and system for an ice storage system.
Background
At present, most ice storage systems on the market are mainly manually selected for switching the working conditions of the systems, and have high real-time dependence on people; and the ice cold storage system has a complex structure and has higher technical requirements on operation and maintenance personnel. Each time of working condition change, manual field switching equipment is required, or working condition selection is carried out through a common control system.
Therefore, the traditional ice storage system is greatly influenced by human interference, so that the problems of insufficient intelligence in operation and maintenance, and lack of flexibility and stability exist.
Disclosure of Invention
In view of this, the present invention aims to overcome the defects of the prior art, and provides a method and a device for controlling multi-operating-mode switching of an ice storage system, so as to solve the problems of the prior art that the operation and maintenance of the ice storage system are not intelligent enough, and the flexibility and the stability are poor.
In order to achieve the purpose, the invention adopts the following technical scheme: a multi-working-condition switching control method for an ice storage system comprises the following steps:
acquiring functional parameters of the current working condition; wherein the functional parameter comprises real-time;
judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table;
wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
Further, the switching determination condition includes:
reaching the preset switching time.
Further, according to the function parameter and a preset function parameter table, whether to switch the current working condition to the target working condition is judged, and before, the method further comprises the following steps:
and setting preset switching time in the function parameter table, and meeting the target working condition to which the preset switching time needs to be switched.
Further, the determining whether to switch the current working condition to the target working condition according to the functional parameter and a preset functional parameter table includes:
comparing the acquired real-time of the current working condition with preset switching time;
and when the real-time reaches the preset switching time, switching the current working condition to a target working condition.
Further, when it is determined to switch the current operating condition to the target operating condition, the method further includes:
acquiring the running state of a first equipment set under the current working condition and the running state of a second equipment set under the target working condition;
and determining the equipment needing to be switched according to the running condition of the first equipment set and the running condition of the second equipment set and carrying out corresponding switching.
Further, the determining, according to the operating conditions of the first device set and the second device set, a device that needs to be switched and performing corresponding switching includes:
detecting all devices which are running in the first device set under the current working condition, and determining devices which need to run in the second device set under the target working condition;
if the first equipment runs intensively without equipment under the current working condition, starting a target working condition system according to a basic starting process of the target working condition;
and if the equipment in the first equipment set runs under the current working condition, determining a third equipment set which is lacked compared with the second equipment set in the first equipment set and a redundant fourth equipment set, switching to quickly open the process according to the system working condition to open the third equipment set, and switching to quickly close the process according to the system working condition to close the fourth equipment set.
Further, when the switching of current operating mode and target operating mode is the switching of two operating mode host computer ice making and refrigeration mode, still include:
after determining a third equipment set which is lacked and a fourth equipment set which is redundant compared with the first equipment set and the second equipment set, closing the dual-working-condition host, and after the dual-working-condition unit is closed, switching to quickly open the process according to the system working conditions to open the third equipment set and switching to quickly close the process according to the system working conditions to close the fourth equipment set;
and executing the switching and starting of the ice making and refrigerating modes of the dual-working-condition host machine.
Further, the basic starting process of the system sequentially comprises: cooling water system, glycol system, chilled water system, unit;
the basic starting process of the cooling water system comprises the following steps: a cooling tower valve, a cooling water pump front valve, a cooling water pump rear valve, a unit cooling side valve and a cooling tower fan;
the system working condition switching quick starting process sequentially comprises the following steps: starting each device in the device set according to the basic starting process of the system and the sequence;
the system working condition switching rapid closing process comprises the following steps: and closing the devices in the device set according to the basic closing process of the system in sequence.
Further, the current or target operating conditions include:
the system comprises an ice storage working condition, an ice melting working condition, a combined cooling working condition, a dual-working-condition main machine independent cooling working condition, a base load main machine independent cooling working condition and a system shutdown working condition.
Further, the basic starting process of the ethylene glycol system sequentially comprises the following steps: the system comprises a working condition regulating valve, a front valve of an ethylene glycol pump, a rear valve of the ethylene glycol pump and a side valve of the ethylene glycol of the unit;
the basic starting process of the chilled water system comprises the following steps: the front valve of the chilled water pump, the rear butterfly valve of the chilled water pump, the glycol plate exchange chilled water valve and the refrigeration side valve of the base load unit;
the basic closing process of the system comprises the following steps: the system comprises a unit, a cooling tower fan, a unit cooling side valve, a cooling water pump, a unit glycol side valve, a glycol pump, a glycol plate exchange chilled water valve, a base load unit freezing side valve, a chilled water pump, a cooling tower valve, and all valves before and after the pump.
Further, the switching determination condition further includes: the threshold value of the input quantity of the dual-working-condition host, the threshold value of the ice storage amount of the ice tank or the threshold value of the ice melting and ice storage amount is reached;
after the target working condition is switched, the method further comprises the following steps:
acquiring the input quantity of the dual-working-condition host, the ice storage amount of the ice tank and the ice melting and remaining amount;
and comparing the input quantity of the dual-working-condition host machines with the input quantity threshold of the dual-working-condition host machines, the ice storage quantity of the ice tank with the ice storage quantity threshold of the ice tank or the ice melting and remaining quantity threshold of the ice tank, and adjusting the target working condition according to the comparison result.
The embodiment of the application provides an ice cold-storage system multiplex condition switches controlling means, includes:
the acquisition module is used for determining the current working condition of the system and acquiring the functional parameters of the current working condition;
the judging module is used for judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table;
wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
The embodiment of the application provides an ice cold-storage system multiplex condition switches control system includes:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
acquiring functional parameters of the current working condition; wherein the functional parameter comprises real-time;
judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table;
wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the method comprises the steps of obtaining functional parameters of the current working condition, wherein the functional parameters comprise real-time; judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table; wherein, the function parameter table includes: switching judgment conditions corresponding to all working conditions and target working conditions required to be switched to when the switching judgment conditions are met. According to the ice storage system, the function parameters of the current working condition and the switching judgment conditions in the preset function parameter table are adopted, and when the switching judgment conditions are met, the current working condition and the target working condition are automatically switched, so that the effect of flexible use of functions of all working conditions in the ice storage system is achieved. In addition, the optimal switching mode can be selected according to the current system operation state through setting the system quick opening process and the system quick closing process, so that the effect of quick working condition switching is achieved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the steps of the multi-operating mode switching control method of the ice storage system of the present invention;
fig. 2 is a schematic diagram of a preset switching time according to an embodiment of the present invention;
FIG. 3 is a schematic view of a basic start-up process of the cooling system provided by the present invention;
FIG. 4 is a schematic diagram of a basic start-up process of an ethylene glycol system provided by the present invention;
FIG. 5 is a schematic view of a basic start-up flow of the refrigeration system provided by the present invention;
FIG. 6 is a schematic view of a basic shutdown of the cooling system provided by the present invention;
FIG. 7 is a schematic diagram of a working condition switching process provided by the present invention;
FIG. 8 is a schematic diagram of a special condition switching process provided by the present invention;
FIG. 9 is a schematic diagram illustrating an intelligent start-up process of a cooling water system according to the present invention;
FIG. 10 is a schematic diagram of an intelligent start-up process of an ethylene glycol system according to the present invention;
FIG. 11 is a schematic diagram illustrating an intelligent starting process of a chilled water system according to the present invention;
FIG. 12 is a flow diagram illustrating a system Smart off process provided by the present invention;
fig. 13 is a schematic structural diagram of a multi-operating-condition switching control device of an ice storage system provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The following describes a specific method, device and system for controlling multi-condition switching of an ice storage system provided in the embodiments of the present application with reference to the accompanying drawings.
As shown in fig. 1, the multi-operating-condition switching control method of the ice storage system provided in the embodiment of the present application includes:
s101, acquiring functional parameters of the current working condition; wherein the functional parameter comprises real-time;
it is understood that the operating conditions include:
the system comprises an ice storage working condition, an ice melting working condition, a combined cooling working condition, a double-working-condition main machine independent cooling working condition, a base load main machine independent cooling working condition and a system shutdown working condition. The current working condition is the working condition in progress of the system, and the target working condition is the working condition which meets the switching judgment condition according to the switching judgment condition corresponding to each working condition.
S102, judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table;
wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
The working principle of the multi-working-condition switching control method of the ice storage system is as follows: firstly, determining the current working condition and obtaining the functional parameters of the current working condition. And comparing the functional parameters with the switching judgment conditions in the functional parameter table according to a preset functional parameter table, and switching the current working condition to a target working condition when the switching judgment conditions are met.
According to the technical scheme provided by the application, due to the fact that human participation factors are reduced, the stability of the system is improved, and the labor cost is reduced; and the switching judgment condition in the functional parameter table provided by the invention can be changed at any time in the operation process, so that the flexibility of the system is improved, and the refrigeration system can be adapted to the actual requirements of the building more quickly.
Preferably, the handover determination condition includes:
reaching the preset switching time.
It can be understood that the function parameter table is further provided with a target working condition corresponding to the preset switching time. And when the preset switching time is reached, switching to the target working condition.
In some embodiments, determining whether to switch the current operating mode to the target operating mode according to the functional parameter and a preset functional parameter table, before, the method further includes:
and setting preset switching time in the function parameter table, and meeting the target working condition to which the preset switching time needs to be switched.
Preferably, the determining whether to switch the current working condition to the target working condition according to the functional parameter and a preset functional parameter table includes:
comparing the acquired real-time of the current working condition with preset switching time;
and when the real-time reaches the preset switching time, switching the current working condition to a target working condition.
Specifically, the function parameter schedule includes an operating condition schedule including a preset switching time including a week setting (W)1、W2、…Wn) Time setting (H)1:M1、H2:M2、…Hn:Mn) Setting of operating mode (S)1、S2、…Sn) Multiple time points of each day and system working conditions planned by the time points can be added or deleted by a user in a self-defined way; and provide the time setting and working condition setting table of 7 days from Monday to Sunday, the user can define the operation working condition and time of each day in every week; for example: and B, Monday: 08:00, ice melting working condition; 17:00, combined cooling working condition; 20:00, system shutdown condition; 23:00, ice storage condition.
In one embodiment, as shown in fig. 2, a preset switching time (W) set by a user is obtained firstn，Hn:Mn，Sn) The method comprises the steps of acquiring the system real-time (W, H: M) of the current working condition in real time, comparing the system real-time with the preset switching time, namely the time set by a user, issuing a working condition switching command when the system real-time reaches the preset switching time, and commanding to switch the current working condition to the target working condition SnThereby realizing the automatic switching of the working conditions.
Preferably, the handover determination condition further includes: the threshold value of the input quantity of the dual-working-condition host, the threshold value of the ice storage amount of the ice tank or the threshold value of the ice melting and ice storage amount is reached;
after the target working condition is switched, the method further comprises the following steps:
acquiring the input quantity of the dual-working-condition host, the ice storage amount of the ice tank and the ice melting and remaining amount;
and comparing the input quantity of the dual-working-condition host machines with the input quantity threshold of the dual-working-condition host machines, the ice storage quantity of the ice tank with the ice storage quantity threshold of the ice tank or the ice melting and remaining quantity threshold of the ice tank, and adjusting the target working condition according to the comparison result.
Specifically, after the target working condition is switched, when the input quantity alpha of the dual-working-condition host reaches the input quantity threshold of the dual-working-condition host, the operation quantity of the system host is adjusted, wherein the input quantity threshold of the dual-working-condition host is the maximum value of the input quantity of the dual-working-condition host.
When the ice storage amount beta of the ice storage tank reaches the ice storage amount threshold value of the ice storage tank, the system automatically stops, and the working condition is switched again after the preset switching time is reached, wherein the total ice storage amount percentage of the system planned by the user of the ice storage amount threshold value of the ice storage tank can be 60% for example, and is used for adjusting the ice storage working condition.
When the ice-melting remaining amount gamma reaches the ice-melting remaining amount threshold value, the system automatically stops, and the working condition is switched again after the preset switching time is reached, wherein the ice-melting remaining amount threshold value is the percentage of the amount of ice planned to be reserved by the user and is used for special requirements of the user, and the set remaining amount of ice reserved in the ice tank is always ensured in the automatic adjustment process of the system.
Wherein, the flow of operating mode is as follows:
the whole system basically starts the process: cooling water system → glycol system → chilled water system → unit;
as shown in fig. 3, the cooling water system is basically started up: cooling tower valve → cooling water pump front valve → cooling water pump rear valve → unit cooling side valve → cooling tower fan;
as shown in fig. 4, the ethylene glycol system basically starts the flow: working condition adjusting valve → front valve of ethylene glycol pump → rear valve of ethylene glycol pump → unit ethylene glycol side valve;
as shown in fig. 5, the chilled water system basically starts the flow: the front valve of the chilled water pump → the rear butterfly valve of the chilled water pump → the glycol plate for replacing the chilled water valve → the chilled side valve of the base load unit;
as shown in fig. 6, the freezing system is substantially shut down: the unit → the cooling tower fan → the unit cooling side valve → the cooling water pump → the unit glycol side valve → the glycol pump → the glycol plate exchange chilled water valve → the base load unit freezing side valve → the chilled water pump → the cooling tower valve → all the valves before and after the pump;
switching the system working conditions to quickly start the process: and starting the devices in the device set in sequence according to the basic starting process of the system. In the system working condition switching and starting process, the equipment set is optimized, so that the effect of quick starting is achieved.
And (3) switching the system working condition to quickly close the process: and closing the devices in the device set according to the basic closing process of the system in sequence. In the switching closing process of the system working condition, the equipment set is optimized, so that the effect of quick closing is achieved.
In some embodiments, when it is determined to switch the current operating condition to the target operating condition, the method further includes:
acquiring the running state of a first equipment set under the current working condition and the running state of a second equipment set under the target working condition;
and determining the equipment needing to be switched according to the running condition of the first equipment set and the running condition of the second equipment set and carrying out corresponding switching.
In some embodiments, the determining, according to the operating conditions of the first device set and the second device set, a device that needs to be switched and performing corresponding switching includes:
detecting all devices which are running in the first device set under the current working condition, and determining devices which need to run in the second device set under the target working condition;
if the first equipment runs intensively without equipment under the current working condition, starting a target working condition system according to a basic starting process of the target working condition;
and if the equipment in the first equipment set runs under the current working condition, determining a third equipment set which is lacked compared with the second equipment set in the first equipment set and a redundant fourth equipment set, switching to quickly open the process according to the system working condition to open the third equipment set, and switching to quickly close the process according to the system working condition to close the fourth equipment set.
Preferably, the current operating condition or the target operating condition includes:
the system comprises an ice storage working condition, an ice melting working condition, a combined cooling working condition, a double-working-condition main machine independent cooling working condition, a base load main machine independent cooling working condition and a system shutdown working condition. It is understood that the conditions provided in the present application may also include other conditions, which may be selected by a user, and the present application is not limited thereto.
Specifically, the working condition S set by the user includes the following system working conditions: the system comprises an ice storage working condition, an ice melting working condition, a combined cooling working condition, a double-working-condition main machine independent cooling working condition, a base load main machine independent cooling working condition and a system shutdown working condition.
As shown in FIG. 7, according to the user setting, when the system needs to be controlled by the current working condition S0Switching to the target operating mode SnFirstly, the target working condition S is judgednSecond set of devices An(i.e., operating regime S)nAll the equipment needing to be put into operation in the system) and detecting the current working condition S0First set of all running devices A (i.e. current operating mode S)0Next, all devices of the system are running).
Current operating mode S0When no equipment runs in the first equipment set A, according to the target working condition SnThe basic starting process of starting the system; current operating mode S0When the device in the first device set A runs, the first device set A is compared with the second device set AnWith a second device set AnAs a reference, a current first device set A and a current device set A are obtainednA third missing set of devices B, and a fourth redundant set of devices B. Aiming at the third equipment set B, carrying out a system quick starting process to complete the starting of the third equipment set B; and for the fourth equipment set b, completing the closing of the fourth equipment set b according to the quick closing process of the system. And when the third equipment set B is started and the fourth equipment set B is closed, the system working condition switching process is completed.
In some embodiments, when the switching between the current operating condition and the target operating condition is the switching between the ice making mode and the refrigeration mode of the dual-operating-condition main machine, the method further includes:
after determining a third equipment set which is lacked and a fourth equipment set which is redundant compared with the first equipment set and the second equipment set, closing the dual-working-condition host, and after the dual-working-condition unit is closed, switching to quickly open the process according to the system working conditions to open the third equipment set and switching to quickly close the process according to the system working conditions to close the fourth equipment set;
and executing the switching and starting of the ice making and refrigerating modes of the dual-working-condition host machine.
As a specific example, as shown in fig. 8, in the system operating condition switching process, if the operating condition set by the user relates to switching between ice making and cooling modes of the dual-operating-condition main machine, when the system needs to switch from the current operating condition S0Switching to the target operating mode SnFirstly, the current working condition S is detected0Lower first set of devices A, target Condition SnLower second device set AnCalculating the first device set A compared with the device set AnA third missing set of devices B, and a fourth redundant set of devices B. Aiming at the third equipment set B, carrying out a system quick starting process to complete the starting of the third equipment set B; and issuing a command for closing the dual-working-condition host to close the fourth equipment set B, completing the opening of the third equipment set B according to the quick system opening process, completing the closing of the fourth equipment set B according to the quick system closing process, and completing the switching of the dual-working-condition host modes and the opening command, thereby completing the system working condition switching process.
According to the method, the system automatically switches the ice storage working condition, the ice melting working condition, the combined cooling working condition, the dual-working-condition host machine independent cooling working condition, the base load host machine independent cooling working condition and the system closing working condition through the user-defined functional parameter table, so that the functions of all working conditions in the ice storage system are flexibly used; in addition, in the switching process of the working conditions, the optimal switching mode is selected according to the current system operation condition, so that the effect of fast working condition switching is achieved.
As a specific example, as shown in fig. 9, according to the technical solution provided by the present application, the intelligent start process of the cooling water system is as follows:
judging whether the equipment set B comprises a cooling tower valve, if so, opening the cooling tower valve, continuously judging whether the equipment set B comprises a front valve of a cooling water pump, if so, opening a front valve of the cooling water pump, continuously judging whether the equipment set B comprises the cooling water pump, if so, opening the cooling water pump, continuously judging whether the equipment set B comprises a rear valve of the cooling water pump, if so, opening a rear valve of the cooling water pump, continuously judging whether the equipment set B comprises a unit cooling side valve, if so, opening the unit cooling side valve, continuously judging whether the equipment set B comprises a cooling tower fan, if so, opening the cooling tower fan, and continuously ending the flow.
As a specific example, as shown in fig. 10, according to the technical solution provided by the present application, an intelligent start process of an ethylene glycol system is as follows:
and judging whether the equipment set B comprises a working condition adjusting valve or not, if so, opening the working condition adjusting valve, continuously judging whether the equipment set B comprises a front valve of the ethylene glycol pump or not, if so, opening the front valve of the ethylene glycol pump, continuously judging whether the equipment set B comprises the ethylene glycol pump or not, if so, opening the ethylene glycol pump, continuously judging whether the equipment set B comprises a rear valve of the ethylene glycol pump or not, if so, opening the rear valve of the ethylene glycol pump, continuously judging whether the equipment set B comprises a side valve of the ethylene glycol pump or not, if so, opening the side valve of the ethylene glycol pump, and continuously ending the flow.
As a specific example, as shown in fig. 11, according to the technical solution provided by the present application, an intelligent starting process of a chilled water system is as follows:
judging whether the equipment set B comprises a front valve of the chilled water pump, if so, opening the front valve of the chilled water pump, continuously judging whether the equipment set B comprises the chilled water pump, if so, opening the chilled water pump, continuously judging whether the equipment set B comprises a rear butterfly valve of the chilled water pump, if so, opening the rear butterfly valve of the chilled water pump, continuously judging whether the equipment set B comprises a glycol plate cold water exchange valve, if so, opening the glycol plate cold water exchange valve, continuously judging whether the equipment set B comprises a machine set freezing side valve, if so, opening the machine set freezing side valve, and continuously ending the process.
As a specific embodiment, as shown in fig. 12, according to the technical solution provided by the present application, a system intelligent shutdown process is as follows:
judging whether the equipment set B contains a unit, if so, closing the unit, continuously judging whether the equipment set B contains a cooling tower fan, if so, closing the cooling tower fan, continuously judging whether the equipment set B contains a unit cooling side valve, if so, closing the unit cooling side valve, continuously judging whether the equipment set B contains a cooling tower, if so, closing the cooling tower, continuously judging whether the equipment set B contains a unit glycol side valve, if so, closing the unit glycol side valve, continuously judging whether the equipment set B contains a glycol pump, if so, closing the glycol pump, continuously judging whether the equipment set B contains a glycol plate exchange chilled water valve, if so, closing the glycol plate exchange chilled water valve, continuously judging whether the equipment set B contains a base-mounted unit chilling side valve, if so, closing the base-mounted unit chilling side valve, and continuously judging whether the equipment set B comprises a chilled water pump or not, if so, closing the chilled water pump, continuously judging whether the equipment set B comprises a cooling tower valve or not, if so, closing the cooling tower valve, continuously judging whether the equipment set B comprises pre-pump and post-pump valves or not, if so, closing the pre-pump and post-pump valves, and continuously ending the process.
As shown in fig. 13, the multi-operating mode switching control device for the ice storage system in the embodiment of the present application includes:
an obtaining module 1301, configured to obtain a function parameter of a current working condition; wherein the functional parameter comprises real-time;
a determining module 1302, configured to determine whether to switch the current working condition to a target working condition according to the functional parameter and a preset functional parameter table;
wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
The working principle of the multi-working-condition switching control device of the ice storage system provided by the application is that the acquisition module 1301 acquires the functional parameters of the current working condition; wherein the functional parameter comprises real-time; the judging module 1302 judges whether to switch the current working condition to a target working condition according to the functional parameters and a preset functional parameter table; wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
In some embodiments, the present application provides a multi-operating-condition switching control system for an ice storage system, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
acquiring functional parameters of the current working condition; wherein the functional parameter comprises real-time;
judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table;
wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
In summary, the present invention provides a method, an apparatus and a system for controlling multi-condition switching of an ice storage system, wherein the method comprises obtaining a functional parameter of a current condition, wherein the functional parameter comprises real-time; judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table; wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to. According to the ice storage system, the functional parameters of the current working condition are compared with the switching judgment conditions corresponding to the working conditions in the preset functional parameter table, the current working condition and the target working condition can be automatically switched according to the comparison result, and the effect of flexible use of the functions of the working conditions in the ice storage system is achieved. In addition, the optimal switching mode can be selected according to the current system operation state through setting the system quick opening process and the system quick closing process, so that the effect of quick working condition switching is achieved.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (13)
1. A multi-working-condition switching control method of an ice storage system is characterized by comprising the following steps:
acquiring functional parameters of the current working condition; wherein the functional parameter comprises real-time;
judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table;
wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
2. The method of claim 1, wherein the handover decision condition comprises:
reaching the preset switching time.
3. The method of claim 2, wherein the determining whether to switch the current operating mode to the target operating mode according to the functional parameters and a preset functional parameter table further comprises:
and setting preset switching time in the function parameter table, and meeting the target working condition to which the preset switching time needs to be switched.
4. The method of claim 3, wherein the determining whether to switch the current operating mode to the target operating mode according to the functional parameters and a preset functional parameter table comprises:
comparing the acquired real-time of the current working condition with preset switching time;
and when the real-time reaches the preset switching time, switching the current working condition to a target working condition.
5. The method of claim 1, wherein: when the current working condition is determined to be switched to the target working condition, the method further comprises the following steps:
acquiring the running state of a first equipment set under the current working condition and the running state of a second equipment set under the target working condition;
and determining the equipment needing to be switched according to the running condition of the first equipment set and the running condition of the second equipment set and carrying out corresponding switching.
6. The method according to claim 5, wherein the determining the devices to be switched according to the operating conditions of the first device set and the second device set and performing the corresponding switching comprises:
detecting all devices which are running in the first device set under the current working condition, and determining devices which need to run in the second device set under the target working condition;
if the first equipment runs intensively without equipment under the current working condition, starting a target working condition system according to a basic starting process of the target working condition;
and if the equipment in the first equipment set runs under the current working condition, determining a third equipment set which is lacked compared with the second equipment set in the first equipment set and a redundant fourth equipment set, switching to quickly open the process according to the system working condition to open the third equipment set, and switching to quickly close the process according to the system working condition to close the fourth equipment set.
7. The method of claim 6, wherein when the switching between the current operating mode and the target operating mode is the switching between the ice making and the cooling modes of the dual-operating-mode main machine, the method further comprises:
and after the dual-working-condition unit is closed, rapidly opening the process according to the switching of the system working conditions to open the third equipment set and rapidly closing the process according to the switching of the system working conditions to close the fourth equipment set.
8. The method according to claim 6 or 7,
the basic starting process of the system comprises the following steps: cooling water system, glycol system, chilled water system, unit;
the basic closing process of the system comprises the following steps: the system comprises a unit, a cooling tower fan, a unit cooling side valve, a cooling water pump, a unit glycol side valve, a glycol pump, a glycol plate exchange chilled water valve, a base load unit freezing side valve, a chilled water pump, a cooling tower valve, and all valves before and after the pump;
the system working condition switching quick starting process sequentially comprises the following steps: starting each device in the device set according to the basic starting process of the system and the sequence;
the system working condition switching rapid closing process comprises the following steps: and closing the devices in the device set according to the basic closing process of the system in sequence.
9. The method of claim 8,
the basic starting process of the cooling water system comprises the following steps: a cooling tower valve, a cooling water pump front valve, a cooling water pump rear valve, a unit cooling side valve and a cooling tower fan;
the basic starting process of the ethylene glycol system comprises the following steps: the system comprises a working condition regulating valve, a front valve of an ethylene glycol pump, a rear valve of the ethylene glycol pump and a side valve of the ethylene glycol of the unit;
the basic starting process of the chilled water system comprises the following steps: the freezing water pump comprises a front valve of the freezing water pump, a rear butterfly valve of the freezing water pump, a glycol plate exchange freezing water valve and a freezing side valve of the base load unit.
10. The method of claim 1, wherein the operating conditions in the ice storage system include:
the system comprises an ice storage working condition, an ice melting working condition, a combined cooling working condition, a dual-working-condition main machine independent cooling working condition, a base load main machine independent cooling working condition and a system shutdown working condition.
11. The method of claim 2, wherein the handover decision condition further comprises: the threshold value of the input quantity of the dual-working-condition host, the threshold value of the ice storage amount of the ice tank or the threshold value of the ice melting and ice storage amount is reached;
after the target working condition is switched, the method further comprises the following steps:
acquiring the input quantity of the dual-working-condition host, the ice storage amount of the ice tank and the ice melting and remaining amount;
and comparing the input quantity of the dual-working-condition host machines with the input quantity threshold of the dual-working-condition host machines, the ice storage quantity of the ice tank with the ice storage quantity threshold of the ice tank or the ice melting and remaining quantity threshold of the ice tank, and adjusting the target working condition according to the comparison result.
12. The utility model provides an ice cold-storage system multiplex condition switches controlling means which characterized in that includes:
the acquisition module is used for acquiring functional parameters of the current working condition; wherein the functional parameter comprises real-time;
the judging module is used for judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table;
wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
13. The utility model provides an ice cold-storage system multiplex condition switches control system which characterized in that includes:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
acquiring functional parameters of the current working condition; wherein the functional parameter comprises real-time;
judging whether the current working condition is switched to a target working condition or not according to the functional parameters and a preset functional parameter table;
wherein the function parameter table includes: the switching judgment condition corresponding to each working condition and the target working condition which meets the switching judgment condition and needs to be switched to.
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