CN106196791A - The control method of handpiece Water Chilling Units and control system - Google Patents
The control method of handpiece Water Chilling Units and control system Download PDFInfo
- Publication number
- CN106196791A CN106196791A CN201610688859.5A CN201610688859A CN106196791A CN 106196791 A CN106196791 A CN 106196791A CN 201610688859 A CN201610688859 A CN 201610688859A CN 106196791 A CN106196791 A CN 106196791A
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- Prior art keywords
- chilling units
- butterfly valve
- control
- water
- cooling tower
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses control method and the system of a kind of handpiece Water Chilling Units, wherein, handpiece Water Chilling Units includes that at least handpiece Water Chilling Units water system and compressor, handpiece Water Chilling Units water system include cooling water pump, chilled water pump and at least one cooling tower, and control method includes: receive the control signal of user's input；Multiple control point and compressor are controlled according to the inverted sequence of preset order or preset order according to control signal, to realize startup or the closedown of handpiece Water Chilling Units, wherein, the startup of preset order correspondence handpiece Water Chilling Units.The control method of the handpiece Water Chilling Units of the embodiment of the present invention, it is possible to increase each linkage controlled of handpiece Water Chilling Units, automaticity is high, and can save the use cost of handpiece Water Chilling Units.
Description
Technical field
The present invention relates to refrigerating field, be specifically related to control method and the control of a kind of handpiece Water Chilling Units of a kind of handpiece Water Chilling Units
System.
Background technology
In correlation technique, controlled by the controller that outside is independent as the unification of handpiece Water Chilling Units water system, with control handpiece Water Chilling Units
The linkage of controller is not strong, even if handpiece Water Chilling Units is reserved with water pump (such as cooling water pump, chilled water pump etc.), cooling tower etc. and controls
Node, but controlling is the strongest, it is impossible to control the cooling tower butterfly valve system matched.Thus, independently installed cooling-water machine
The controller of group water system makes the actually used cost of handpiece Water Chilling Units increase, nor can realize complete to handpiece Water Chilling Units
Automatically control.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in above-mentioned technology.To this end, the present invention
First purpose is to propose the control method of a kind of handpiece Water Chilling Units.The method can improve each linkage controlled of handpiece Water Chilling Units
Property, automaticity is high, and can save the use cost of handpiece Water Chilling Units.
Second object of the present invention is to propose the control system of a kind of handpiece Water Chilling Units.
For reaching above-mentioned purpose, first aspect present invention embodiment proposes the control method of a kind of handpiece Water Chilling Units, described
Handpiece Water Chilling Units include handpiece Water Chilling Units water system and compressor, described handpiece Water Chilling Units water system include cooling water pump, chilled water pump and
At least one cooling tower, wherein, the corresponding first cooling tower butterfly valve of each described cooling tower, the second cooling tower butterfly valve and a cooling
Tower blower fan, the corresponding cooling water butterfly valve of described cooling water pump, the corresponding chilled water butterfly valve of described chilled water pump, described control
Method comprises the following steps: receive the control signal of user's input；According to described control signal according to preset order or described pre-
If multiple control point and described compressor are controlled by the inverted sequence of order, to realize startup or the closedown of described handpiece Water Chilling Units,
Wherein, the startup of the corresponding described handpiece Water Chilling Units of described preset order.
The control method of the handpiece Water Chilling Units of the embodiment of the present invention, controls handpiece Water Chilling Units water system and handpiece Water Chilling Units domination set
Become one, can complete, by control signal, the on off control that handpiece Water Chilling Units is complete, and without control water manufacturing system is carried out list
Solely configuration, thereby, it is possible to improve each linkage controlled of handpiece Water Chilling Units, automaticity is high, and can save handpiece Water Chilling Units
Use cost.
It addition, the control method of handpiece Water Chilling Units according to the above embodiment of the present invention can also have following additional technology
Feature:
According to one embodiment of present invention, described control signal includes starting-up signal and off signal.
According to one embodiment of present invention, the plurality of control point includes that at least one first cooling tower butterfly valve controls
Point, at least one blower fan of cooling tower on off control point, at least one the second cooling tower butterfly valve control point, cooling water pump on off control
Point, chilled water butterfly valve control point, chilled water pump on off control point, chilled water butterfly valve control point.
According to one embodiment of present invention, described according to starting-up signal according to preset order to multiple control point and described
Compressor is controlled, and includes realizing the startup of described handpiece Water Chilling Units: control at least one successively according to described starting-up signal
First cooling tower butterfly valve is opened, at least one blower fan of cooling tower starts, at least one second cooling tower butterfly valve is opened, cooling water pump
Start, water butterfly valve is opened, chilled water butterfly valve is opened in cooling, chilled water pump starts, to start described handpiece Water Chilling Units water system；Institute
After stating handpiece Water Chilling Units water system start-up, control described compressor start.
According to one embodiment of present invention, described according to off signal according to the inverted sequence of preset order to multiple control point
It is controlled with described compressor, includes realizing the closedown of described handpiece Water Chilling Units: control described pressure according to described off signal
Contracting machine stall；After described compressor stall Preset Time, control chilled water pump stall, the closedown of chilled water butterfly valve, cooling successively
The closedown of water butterfly valve, cooling water pump stall, at least one second cooling tower butterfly valve closedown, at least one blower fan of cooling tower stall, extremely
A few first cooling tower butterfly valve cuts out, to cut out described handpiece Water Chilling Units water system.
For reaching above-mentioned purpose, second aspect present invention embodiment proposes the control system of a kind of handpiece Water Chilling Units, described
Handpiece Water Chilling Units include handpiece Water Chilling Units water system and compressor, described handpiece Water Chilling Units water system include cooling water pump, chilled water pump and
At least one cooling tower, wherein, the corresponding first cooling tower butterfly valve of each described cooling tower, the second cooling tower butterfly valve and a cooling
Tower blower fan, the corresponding cooling water butterfly valve of described cooling water pump, the corresponding chilled water butterfly valve of described chilled water pump, described control
System includes: receiver module, for receiving the control signal of user's input；Control module, for pressing according to described control signal
Multiple control point and described compressor are controlled by the inverted sequence according to preset order or described preset order, to realize described cold water
The startup of unit or closedown, wherein, the startup of the corresponding described handpiece Water Chilling Units of described preset order.
The control system of the handpiece Water Chilling Units of the embodiment of the present invention, controls handpiece Water Chilling Units water system and handpiece Water Chilling Units domination set
Become one, can complete, by control signal, the on off control that handpiece Water Chilling Units is complete, and without control water manufacturing system is carried out list
Solely configuration, thereby, it is possible to improve each linkage controlled of handpiece Water Chilling Units, automaticity is high, and can save handpiece Water Chilling Units
Use cost.
It addition, the control system of handpiece Water Chilling Units according to the above embodiment of the present invention can also have following additional technology
Feature:
According to one embodiment of present invention, described control signal includes starting-up signal and off signal.
According to one embodiment of present invention, the plurality of control point includes that at least one first cooling tower butterfly valve controls
Point, at least one blower fan of cooling tower on off control point, at least one the second cooling tower butterfly valve control point, cooling water pump on off control
Point, chilled water butterfly valve control point, chilled water pump on off control point, chilled water butterfly valve control point.
According to one embodiment of present invention, described control module specifically for: control successively according to described starting-up signal
At least one first cooling tower butterfly valve is opened, at least one blower fan of cooling tower starts, at least one second cooling tower butterfly valve is opened,
Cooling water pump starts, water butterfly valve is opened, chilled water butterfly valve is opened in cooling, chilled water pump starts, to start described handpiece Water Chilling Units water
System；After described handpiece Water Chilling Units water system start-up, control described compressor start.
According to one embodiment of present invention, described control module is specifically additionally operable to: control institute according to described off signal
State compressor stall；After described compressor stall Preset Time, successively control chilled water pump stall, chilled water butterfly valve close,
Cooling water butterfly valve closedown, cooling water pump stall, at least one second cooling tower butterfly valve closedown, at least one blower fan of cooling tower stop
Turn, at least one first cooling tower butterfly valve cuts out, to cut out described handpiece Water Chilling Units water system.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become
Substantially with easy to understand, wherein:
Fig. 1 is the flow chart of the control method of handpiece Water Chilling Units according to embodiments of the present invention；
Fig. 2 is the structural representation of handpiece Water Chilling Units according to an embodiment of the invention；
Fig. 3 is the flow chart of the control method of handpiece Water Chilling Units according to an embodiment of the invention；
Fig. 4 is the flow chart of the control method of handpiece Water Chilling Units in accordance with another embodiment of the present invention；
Fig. 5 is the structured flowchart of the control system of handpiece Water Chilling Units according to embodiments of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings control method and the control system of the handpiece Water Chilling Units of the embodiment of the present invention are described.
Fig. 1 is the flow chart of the control method of handpiece Water Chilling Units according to embodiments of the present invention.
In an embodiment of the present invention, as in figure 2 it is shown, handpiece Water Chilling Units includes handpiece Water Chilling Units and handpiece Water Chilling Units water system, institute
State handpiece Water Chilling Units and include that compressor, handpiece Water Chilling Units water system include cooling water pump, chilled water pump, at least one cooling tower, wherein,
The corresponding first cooling tower butterfly valve of each cooling tower, the second cooling tower butterfly valve and a blower fan of cooling tower, corresponding one of cooling water pump
Cooling water butterfly valve, the corresponding chilled water butterfly valve of chilled water pump.
Wherein, handpiece Water Chilling Units can be centrifugal refrigerating machines.
As it is shown in figure 1, the control method of this handpiece Water Chilling Units includes:
S101, receives the control signal of user's input.
It is understood that control signal can include starting-up signal and off signal, can be real by this starting-up signal
" one-key start " of existing handpiece Water Chilling Units, can realize " key is closed " of handpiece Water Chilling Units by this off signal.
In one embodiment of the invention, user can be controlled by the control panel input being arranged in handpiece Water Chilling Units
Signal, it is possible to use host computer input control signal is to realize handpiece Water Chilling Units remotely controlling.
Multiple control point and compressor are carried out according to the inverted sequence of preset order or preset order by S102 according to control signal
Control, to realize startup or the closedown of handpiece Water Chilling Units.
Wherein, the startup of preset order correspondence handpiece Water Chilling Units.
Specifically, multiple control point include at least one the first cooling tower butterfly valve control point, at least one blower fan of cooling tower
On off control point, at least one second cooling tower butterfly valve control point, cooling water pump on off control point, chilled water butterfly valve control point,
Chilled water pump on off control point, chilled water butterfly valve control point.
In one embodiment of the invention, if user's input is starting-up signal, then according to starting-up signal according in advance
If multiple control point and compressor are controlled by order, include realizing the startup of handpiece Water Chilling Units: according to starting-up signal successively
Control at least one first cooling tower butterfly valve open, at least one blower fan of cooling tower start, at least one second cooling tower butterfly valve
Open, cooling water pump starts, water butterfly valve is opened, chilled water butterfly valve is opened in cooling, chilled water pump starts, to start handpiece Water Chilling Units water
System.After handpiece Water Chilling Units water system start-up, control compressor start.
Specifically, as it is shown on figure 3, illustrate as a example by a cooling tower: after receiving starting-up signal, first determine whether cold
Whether water unit breaks down, if handpiece Water Chilling Units breaks down, then stops starting handpiece Water Chilling Units；Otherwise, then first is controlled cold
But tower butterfly valve is opened；Time delay certain time, if receiving the first cooling tower butterfly valve to reach position feedback, then control blower fan of cooling tower
Start；Time delay certain time, without receiving blower fan of cooling tower fault feedback, then control the second cooling water butterfly valve and open；
Time delay certain time, if receiving the second cooling tower butterfly valve to reach position feedback, then control cooling water pump and start；Time delay one timing
Between, without receiving cooling water pump fault feedback, then control cooling water butterfly valve and open；Time delay certain time, if received
Reach position feedback to cooling water butterfly valve, then control chilled water butterfly valve and open；Time delay certain time, if receiving chilled water butterfly valve
Reach position feedback, then control chilled water pump and start；Time delay certain time, without receiving chilled water pump fault feedback, then
Handpiece Water Chilling Units water system start-up completes, and generates compressor start control signal, and then controls according to this compressor control signal
Compressor start.Thus, " one-key start " of handpiece Water Chilling Units is completed.
In an embodiment of the present invention, at least one first cooling tower butterfly valve in above-mentioned handpiece Water Chilling Units water system, extremely
Few blower fan of cooling tower, at least one the second cooling tower butterfly valve, cooling water pump, chilled water butterfly valve, chilled water pump, a chilled water butterfly
When valve is controlled, automatic mode or manual mode can be selected for one or more.
If it should be noted that certain equipment (such as blower fan of cooling tower) be have selected manual mode, then can not be to this
Equipment carries out fault detect.And if the follow-up equipment of this equipment all be have selected automatic mode, then this equipment is being controlled
Cheng Hou, time delay certain time, automatically turns on follow-up equipment.
Alternatively, above-mentioned certain time can the most self-defined setting, such as 1 second.
If also, it should be noted butterfly valve has and does not carries out reaching position feedback within a certain period of time in handpiece Water Chilling Units water system
, or blower fan/water pump has and carries out fault feedback within a certain period of time, then close corresponding butterfly valve, or close down corresponding blower fan/
Water pump, and all with handpiece Water Chilling Units troubleshooting, i.e. handpiece Water Chilling Units " one-key start " failure.
In another embodiment of the present invention, if user input be off signal, then according to off signal according to
Multiple control point and compressor are controlled by the inverted sequence of preset order, include realizing the closedown of handpiece Water Chilling Units: according to shutdown
Signal controls compressor stall；After compressor stall Preset Time, control chilled water pump stall, chilled water butterfly valve pass successively
Close, cool down the closedown of water butterfly valve, cooling water pump stall, at least one second cooling tower butterfly valve closedown, at least one blower fan of cooling tower
Stall, at least one first cooling tower butterfly valve are closed, to close handpiece Water Chilling Units water system.
Wherein, the span of Preset Time can be the 0-5 second, such as, can be 1 second.
Specifically, as shown in Figure 4, illustrate as a example by a cooling tower: after receiving off signal, first control pressure
Contracting machine stall, after compressor stall Preset Time, then controls handpiece Water Chilling Units water system equipment according to the inverted sequence of preset order and closes
Close.And then judge whether handpiece Water Chilling Units water system has equipment to run, run without equipment, then closed；If set
Received shipment row, then after closing last operation equipment, time delay certain time (such as 30 seconds), then judge that handpiece Water Chilling Units water system is
No have equipment to run.
Specifically, after receiving off signal, first control compressor stall, after compressor stall Preset Time,
Control chilled water pump stall；Time delay certain time, run feedback without receiving chilled water pump, then control chilled water butterfly valve
Close；Time delay certain time, if receiving chilled water butterfly valve to close the feedback that puts in place, then control cooling water butterfly valve and close；Time delay one
Fixing time, if receiving cooling water butterfly valve to close the feedback that puts in place, then controlling cooling water pump stall；Time delay certain time, if do not had
Receive cooling water pump and run feedback, then control the second cooling water butterfly valve and close；Time delay certain time, if receiving second
Cooling tower butterfly valve closes the feedback that puts in place, then control blower fan of cooling tower stall；Time delay certain time, without receiving cooling tower wind
Machine runs feedback, then control the first cooling tower butterfly valve and close；Time delay certain time, close if receiving the first cooling tower butterfly valve
Position feedback, then handpiece Water Chilling Units water system has been closed.Thus, " key is closed " of handpiece Water Chilling Units is completed.
It should be noted that above-mentioned control can be completed by an integrated controller, this controller can be to arrange
Single-chip microcomputer in handpiece Water Chilling Units switch board, PLC (Programmable Logic Controller, Programmable logical controller
Device) or DCS (Distributed Control System, dcs) etc..
The control method of the handpiece Water Chilling Units of the embodiment of the present invention, controls handpiece Water Chilling Units water system and handpiece Water Chilling Units domination set
Become one, can complete, by control signal, the on off control that handpiece Water Chilling Units is complete, and without control water manufacturing system is carried out list
Solely configuration, thereby, it is possible to improve each linkage controlled of handpiece Water Chilling Units, automaticity is high, and can save handpiece Water Chilling Units
Use cost.
Fig. 5 is the structured flowchart of the control system of handpiece Water Chilling Units according to embodiments of the present invention.
In an embodiment of the present invention, handpiece Water Chilling Units includes handpiece Water Chilling Units water system and compressor, handpiece Water Chilling Units water system
Including cooling water pump, chilled water pump and at least one cooling tower, wherein, the corresponding first cooling tower butterfly valve of each cooling tower, second
Cooling tower butterfly valve and a blower fan of cooling tower, the corresponding cooling water butterfly valve of cooling water pump, the corresponding chilled water of chilled water pump
Butterfly valve.
Wherein, handpiece Water Chilling Units can be centrifugal refrigerating machines.
As it is shown in figure 5, the control system of this handpiece Water Chilling Units includes: receiver module 10 and control module 20.
Wherein, receiver module 10 is for receiving the control signal of user's input；Control module 20 is for according to control signal
According to the inverted sequence of preset order or preset order, multiple control point and compressor are controlled, to realize the startup of handpiece Water Chilling Units
Or close, wherein, the startup of preset order correspondence handpiece Water Chilling Units.
In an embodiment of the present invention, control signal can include starting-up signal and off signal, by this starting-up signal
" one-key start " of handpiece Water Chilling Units can be realized, " key is closed " of handpiece Water Chilling Units can be realized by this off signal.
It is understood that user can be by the control panel input control signal being arranged in handpiece Water Chilling Units, it is possible to
To use host computer input control signal to realize handpiece Water Chilling Units remotely controlling.
In one embodiment of the invention, multiple control point include at least one first cooling tower butterfly valve control point, extremely
A few blower fan of cooling tower on off control point, at least one second cooling tower butterfly valve control point, cooling water pump on off control point, cold
Freeze water butterfly valve control point, chilled water pump on off control point, chilled water butterfly valve control point.
Specifically, in one embodiment of the invention, if user's input is starting-up signal, then control module 20 is used
In: control successively according to starting-up signal at least one first cooling tower butterfly valve open, at least one blower fan of cooling tower start, at least
One the second cooling tower butterfly valve is opened, cooling water pump starts, water butterfly valve is opened, chilled water butterfly valve is opened, chilled water pump opens in cooling
Dynamic, to start handpiece Water Chilling Units water system.After handpiece Water Chilling Units water system start-up, control compressor start.
In another embodiment of the present invention, if user's input is off signal, then control module 20 is used for: root
Compressor stall is controlled according to off signal；After compressor stall Preset Time, control chilled water pump stall, chilled water butterfly successively
Valve cuts out, cools down the cut out of water butterfly valve, cooling water pump stall, at least one second cooling tower butterfly valve cut out, at least one cooling tower
Blower fan stall, at least one first cooling tower butterfly valve are closed, to close handpiece Water Chilling Units water system.
It should be noted that in the detailed description of the invention of the control system of the handpiece Water Chilling Units of the embodiment of the present invention and the present invention
The detailed description of the invention of the control method stating the handpiece Water Chilling Units of embodiment is identical, for reducing redundancy, does not repeats.
The control system of the handpiece Water Chilling Units of the embodiment of the present invention, is handpiece Water Chilling Units water system to be controlled and handpiece Water Chilling Units control
It is integrated in one, can complete, by control signal, the on off control that handpiece Water Chilling Units is complete, and without control water manufacturing system is carried out
Being separately configured, thereby, it is possible to improve each linkage controlled of handpiece Water Chilling Units, automaticity is high, and can save cooling-water machine
The use cost of group.
In flow chart or at this, any process described otherwise above or method description are construed as, and expression includes
One or more is for realizing the module of code, fragment or the portion of the executable instruction of the step of specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not by shown or discuss suitable
Sequence, including according to involved function by basic mode simultaneously or in the opposite order, performs function, and this should be by the present invention
Embodiment person of ordinary skill in the field understood.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
It is to be appreciated that term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", " second " feature permissible
Express or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as
Two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. the control method of a handpiece Water Chilling Units, it is characterised in that described handpiece Water Chilling Units includes handpiece Water Chilling Units water system and compression
Machine, described handpiece Water Chilling Units water system includes cooling water pump, chilled water pump and at least one cooling tower, wherein, each described cooling
The corresponding first cooling tower butterfly valve of tower, the second cooling tower butterfly valve and a blower fan of cooling tower, the corresponding cooling of described cooling water pump
Water butterfly valve, the corresponding chilled water butterfly valve of described chilled water pump, described control method comprises the following steps:
Receive the control signal of user's input；
According to described control signal according to the inverted sequence of preset order or described preset order to multiple control point and described compressor
It is controlled, to realize startup or the closedown of described handpiece Water Chilling Units, wherein, opening of the corresponding described handpiece Water Chilling Units of described preset order
Dynamic.
2. the control method of handpiece Water Chilling Units as claimed in claim 1, it is characterised in that described control signal includes starting-up signal
And off signal.
3. the control method of handpiece Water Chilling Units as claimed in claim 1, it is characterised in that the plurality of control point includes at least
Individual first cooling tower butterfly valve control point, at least one blower fan of cooling tower on off control point, at least one second cooling tower butterfly valve control
Point processed, cooling water pump on off control point, chilled water butterfly valve control point, chilled water pump on off control point, chilled water butterfly valve control point.
4. the control method of handpiece Water Chilling Units as claimed in claim 1 or 2, it is characterised in that described according to starting-up signal according to
Multiple control point and described compressor are controlled by preset order, include realizing the startup of described handpiece Water Chilling Units:
Control according to described starting-up signal that at least one first cooling tower butterfly valve is opened, at least one blower fan of cooling tower opens successively
Move, at least one second cooling tower butterfly valve is opened, cooling water pump starts, water butterfly valve is opened, chilled water butterfly valve is opened in cooling, freezing
Starting mode of pump, to start described handpiece Water Chilling Units water system；
After described handpiece Water Chilling Units water system start-up, control described compressor start.
5. the control method of handpiece Water Chilling Units as claimed in claim 1 or 2, it is characterised in that described according to off signal according to
Multiple control point and described compressor are controlled by the inverted sequence of preset order, include realizing the closedown of described handpiece Water Chilling Units:
Described compressor stall is controlled according to described off signal；
After described compressor stall Preset Time, control chilled water pump stall, the closedown of chilled water butterfly valve, cooling water butterfly valve successively
Closedown, cooling water pump stall, at least one second cooling tower butterfly valve closedown, at least one blower fan of cooling tower stall, at least one
First cooling tower butterfly valve cuts out, to close described handpiece Water Chilling Units water system.
6. the control system of a handpiece Water Chilling Units, it is characterised in that described handpiece Water Chilling Units includes handpiece Water Chilling Units water system and compression
Machine, described handpiece Water Chilling Units water system includes cooling water pump, chilled water pump and at least one cooling tower, wherein, each described cooling
The corresponding first cooling tower butterfly valve of tower, the second cooling tower butterfly valve and a blower fan of cooling tower, the corresponding cooling of described cooling water pump
Water butterfly valve, the corresponding chilled water butterfly valve of described chilled water pump, described control system includes:
Receiver module, for receiving the control signal of user's input；
Control module, for according to described control signal according to the inverted sequence of preset order or described preset order to multiple control point
It is controlled with described compressor, to realize startup or the closedown of described handpiece Water Chilling Units, wherein, described in described preset order correspondence
The startup of handpiece Water Chilling Units.
7. the control system of handpiece Water Chilling Units as claimed in claim 6, it is characterised in that described control signal includes starting-up signal
And off signal.
8. the control system of handpiece Water Chilling Units as claimed in claim 6, it is characterised in that the plurality of control point includes at least
Individual first cooling tower butterfly valve control point, at least one blower fan of cooling tower on off control point, at least one second cooling tower butterfly valve control
Point processed, cooling water pump on off control point, chilled water butterfly valve control point, chilled water pump on off control point, chilled water butterfly valve control point.
The control system of handpiece Water Chilling Units the most as claimed in claims 6 or 7, it is characterised in that described control module specifically for:
Control according to described starting-up signal that at least one first cooling tower butterfly valve is opened, at least one blower fan of cooling tower opens successively
Move, at least one second cooling tower butterfly valve is opened, cooling water pump starts, water butterfly valve is opened, chilled water butterfly valve is opened in cooling, freezing
Starting mode of pump, to start described handpiece Water Chilling Units water system；
After described handpiece Water Chilling Units water system start-up, control described compressor start.
The control system of handpiece Water Chilling Units the most as claimed in claims 6 or 7, it is characterised in that described control module is the most also used
In:
Described compressor stall is controlled according to described off signal；
After described compressor stall Preset Time, control chilled water pump stall, the closedown of chilled water butterfly valve, cooling water butterfly valve successively
Closedown, cooling water pump stall, at least one second cooling tower butterfly valve closedown, at least one blower fan of cooling tower stall, at least one
First cooling tower butterfly valve cuts out, to close described handpiece Water Chilling Units water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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