CN109099539A - Screw Central air-conditioning unit and its energy level adjusting method - Google Patents
Screw Central air-conditioning unit and its energy level adjusting method Download PDFInfo
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- CN109099539A CN109099539A CN201711480841.7A CN201711480841A CN109099539A CN 109099539 A CN109099539 A CN 109099539A CN 201711480841 A CN201711480841 A CN 201711480841A CN 109099539 A CN109099539 A CN 109099539A
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- control module
- energy level
- water temperature
- temperature signal
- water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
Abstract
The present invention provides a kind of screw Central air-conditioning unit and its energy level adjusting method.Screw Central air-conditioning unit includes compressor, evaporator, condenser, control module, indoor temperature transmitter, wherein compressor is helical-lobe compressor；Indoor temperature transmitter and helical-lobe compressor are electrically connected with control module, and room temperature signal is transferred to control module for detecting indoor temperature signal by indoor temperature transmitter；Control module is used for temperature signal in receiving chamber, and according to the energy level of room temperature signal adjustment screw compressor.Energy level adjusting method is used to control the adjusting of the energy level of the helical-lobe compressor in screw Central air-conditioning unit.The setting of the present invention in this way; regulation of the control module to the energy level of the helical-lobe compressor of screw Central air-conditioning unit is realized, while economizing on resources, so that helical-lobe compressor does not have to frequent start and stop; helical-lobe compressor is protected, the service life of equipment is extended.
Description
Technical field
The present invention relates to a kind of screw Central air-conditioning unit and its energy level adjusting methods.
Background technique
Currently, water-source heat-pump central air conditioner has renewable energy utilization technology, energy-efficient, saving space, ring
Remarkable benefit, a variety of advantages such as stable and reliable operation are protected, national policy is obtained and supports, is a kind of to be provided using underground shallow layer underground heat
Source not only can heat supply but also the high-efficiency energy-saving air conditioning system that can freeze, water-source heat-pump central air conditioner acquires in winter using water as carrier
From lake water, river water, underground water low grade heat energy, obtain energy supply heating of house；Indoor heat is taken out in summer,
It is discharged into water, to achieve the purpose that summer air-conditioning cooling supply.But in the prior art, it cannot achieve water-source heat-pump central air conditioner
In screw compression pump energy level regulation, screw compression pump often can receive damage because of long-term work or frequent start and stop, and
Room temperature can not critically be controlled.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of spiral shell to overcome drawbacks described above existing in the prior art
Rod-type Central air-conditioning unit and its energy level adjusting method.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of screw Central air-conditioning unit comprising compressor, evaporator, condenser, screw Central air-conditioning unit
Further include:
Control module；
Indoor temperature transmitter, the control module are electrically connected with the indoor temperature transmitter, and the room temperature passes
The room temperature signal is transferred to the control module for detecting indoor temperature signal by sensor；
Compressor is the adjustable helical-lobe compressor of energy level, and the control module and the screw compression mechatronics are described
Control module is used to adjust the energy level of the helical-lobe compressor；
The control module adjusts the spiral shell for receiving the room temperature signal, and according to the room temperature signal
The energy level of bar compressor.
Preferably, the control module is also used to be compared room temperature signal with preset temperature, the default temperature
Degree includes the first temperature and second temperature；
When room temperature signal is less than or equal to the first temperature, control module controls the helical-lobe compressor and increases energy level；
When room temperature signal is greater than the second temperature, control module, which controls the helical-lobe compressor, reduces energy level.
Preferably, the control module it is adjacent twice compare between be provided with delay time.
Preferably, the screw Central air-conditioning unit further includes a water temperature sensor, the water temperature sensor with it is described
Control module electrical connection, for the water temperature sensor for detecting water temperature signal, the water temperature signal includes the condenser or institute
The output water temperature signal and the condenser or the evaporator for stating evaporator enter water water temperature signal, the water temperature sensor
The water temperature signal is transferred to the control module；
The control module judges whether the output water temperature signal and the water temperature difference for entering water water temperature signal are greater than default temperature
It is poor to spend.
Preferably, the control module is also used to be compared the water temperature difference with preset temperature difference；
When water temperature difference is greater than, the preset temperature is poor, and the control module, which controls the helical-lobe compressor, reduces energy level.
A kind of energy level adjusting method, is used to control the adjusting of the energy level of helical-lobe compressor；Wherein, the preset temperature packet
Include the first temperature and second temperature；
The energy level adjusting method includes the following steps:
Step S1: the indoor temperature transmitter receives the room temperature signal；
Step S2: the control module receives the room temperature signal, to room temperature signal and the first temperature and the
Two temperature are compared；
When room temperature signal is less than or equal to the first temperature, step S3.1 is executed；
When room temperature signal is greater than the second temperature, step S3.2 is executed；
Step S3.1: control module controls helical-lobe compressor and increases energy level；
Step S3.2: control module, which controls the helical-lobe compressor, reduces energy level.
Preferably, by a delay time, recycling executes step S1 after executing step S3.1 or step S3.2.
Preferably, the screw Central air-conditioning unit further includes water temperature sensor, the water temperature sensor and the control
The electrical connection of molding block；And the water temperature signal is transferred to the control module；
Step S0 is executed before executing the step S1；
Step S0: the water temperature sensor detects the water temperature signal of the condenser and the evaporator and by water temperature signal
It is sent to control module；The control module controls the work of the helical-lobe compressor according to the water temperature signal.
Preferably, the water temperature signal includes output water temperature signal and enters water water temperature signal；The control module judges institute
It states output water temperature signal and enters the water temperature difference of water water temperature signal whether to be greater than preset temperature poor；
The step S0 includes the following steps:
Step S0.1: the water temperature sensor be used to detect the output water temperature signal of the condenser or the evaporator with
And the condenser or the evaporator enter water water temperature signal；
Step S0.2: the control module receives the output water temperature signal and the condenser of condenser or the evaporator
Or the evaporator enters water water temperature signal, and judge the output water temperature signal and enter water water temperature signal water temperature difference it is whether big
It is poor in preset temperature；
If so, executing step S0.3；
If it is not, executing step S1；
Step S0.3: control module, which controls the helical-lobe compressor, reduces energy level.
In this programme
Preferably, the load of the helical-lobe compressor from small to large be respectively the first energy level, the second energy level, third energy level and
Four-level；The control module is also used to detect the energy level of the helical-lobe compressor；
The step S0.2 further includes that control module judges whether the energy level of the helical-lobe compressor is greater than the second energy level；
Step S0.2: it is poor greater than the preset temperature that the control module judges whether not only to meet water temperature difference, but also meets institute
That states helical-lobe compressor is greater than the second energy level；
If so, executing step S0.3；
If it is not, executing step S1.
The positive effect of the present invention is that:
The setting of the present invention in this way realizes control module to the helical-lobe compressor of screw Central air-conditioning unit
The regulation of energy level while economizing on resources, so that helical-lobe compressor does not have to frequent start and stop, protects helical-lobe compressor, extends
The service life of equipment.
Detailed description of the invention
Fig. 1 is a preferred embodiment of the present invention the structural schematic diagram of screw Central air-conditioning unit.
Fig. 2 is the simple process schematic diagram of the energy level adjusting method of the screw Central air-conditioning unit of the embodiment of the present invention 1.
Fig. 3 is the simple process schematic diagram of the energy level adjusting method of the screw Central air-conditioning unit of the embodiment of the present invention 2.
Fig. 4 is the simple process schematic diagram of the energy level adjusting method of the screw Central air-conditioning unit of the embodiment of the present invention 3.
Description of symbols
Helical-lobe compressor 100
Evaporator 200
Control module 400
Indoor temperature transmitter 500
Water temperature sensor 600
Throttle valve 700
Specific embodiment
A preferred embodiment is named, and completely illustrates the present invention in conjunction with attached drawing to become apparent from.
A kind of screw Central air-conditioning unit as shown in Figure 1 comprising compressor, evaporator 200, condenser 300, spiral shell
Rod-type Central air-conditioning unit further include: control module 400, indoor temperature transmitter 500 and water temperature sensor 600, and throttling
Valve 700, wherein throttle valve 700 is to solve the technical problem in the prior art often to use device, and this will not be repeated here.Wherein, it compresses
Machine is the adjustable helical-lobe compressor 100 of energy level, and the load of helical-lobe compressor 100 is respectively the first energy level, the second energy from small to large
Grade, third energy level and four-level, the tool of helical-lobe compressor 100 are respectively 25%, 50%, 75% and 100% there are four energy level, this
Locating compressor tool there are four above-mentioned energy level is the prior art.
Wherein, the control module 400 is electrically connected with the indoor temperature transmitter 500, the indoor temperature transmitter
500 for detecting indoor temperature signal, and the room temperature signal is transferred to the control module 400.The screw rod pressure
Contracting machine 100 can realize the adjusting of energy level, and the control module 400 is electrically connected with the helical-lobe compressor 100, the control module
400 for adjusting the energy level of the helical-lobe compressor 100.The control module 400 is used to receive the room temperature signal, and
The energy level of the helical-lobe compressor 100 is adjusted according to the room temperature signal.According to such facility, setting in this way,
It may be implemented to adjust the intelligence of the energy level of helical-lobe compressor 100, helical-lobe compressor 100 adjusted according to room temperature
Energy level not only economizes on resources, while can also prevent the continually start and stop of helical-lobe compressor 100, causes in itself to helical-lobe compressor 100
Injury.
The control module 400 is also used to be compared room temperature signal with preset temperature, the preset temperature packet
Include the first temperature and second temperature；Wherein, user can adjust the first temperature and second temperature according to demand.When room temperature is believed
When number being less than or equal to the first temperature, control module 400 controls the helical-lobe compressor 100 and increases energy level；When room temperature signal
When greater than the second temperature, control module 400, which controls the helical-lobe compressor 100, reduces energy level.By the way that the first temperature is arranged
And second temperature, allow preset value to be a range amount, i.e., first defines a control temperature and the temperature difference range, control temperature
Subtracting the temperature difference range is the first temperature, and control temperature is second temperature plus the temperature difference range；Such setting, so that operation more people
Property, while being able to satisfy greater demand.
In addition, the control module 400 it is adjacent twice compare between be provided with delay time.Setting in this way,
So that helical-lobe compressor 100 is after adjusting energy level, can first with this can level work for a period of time, go the interpretation energy level to be after stablizing again
It is no to meet field demand, further according to the energy level of real-time information adjustment screw compressor 100.
The water temperature sensor 600 is electrically connected with the control module 400, and the water temperature sensor 600 is for detecting water
Warm signal, the water temperature signal include the condenser 300 or the evaporator 200 output water temperature signal and the condensation
Device 300 or the evaporator 200 enter water water temperature signal, and the water temperature signal is transferred to described by the water temperature sensor 600
Control module 400.The control module 400 for receive the output water temperature signal and it is described enter water water temperature signal, and according to
It is described enter water water temperature signal and the output water temperature signal water temperature difference adjust the energy level of the helical-lobe compressor 100.Work as screw rod
When formula Central air-conditioning unit is in heating mode, evaporator 200 is discharged, and condenser 300 enters water；When screw Central air-conditioning unit
When in refrigeration mode, condenser 300 is discharged, and evaporator 200 enters water.The control module 400 is also used to the water temperature difference
It is compared with preset temperature difference；When water temperature difference is greater than, the preset temperature is poor, and the control module 400 controls the screw rod pressure
Contracting machine 100 reduces energy level.Wherein, client can adjust that preset temperature is poor, and preset temperature difference should fill for water according to actual needs
The absolute value of the difference of output water temperature and such as water water temperature adds an acceptable the temperature difference range value when sufficient.Setting in this way,
Realization is adjusted humanizedly.Screw Central air-conditioning unit determines the size to the demand of water to the size of refrigerating capacity, system
Cooling capacity is bigger, and the amount of water required is bigger, is greater than a certain amount of once entering difference between water water temperature signal and output water temperature signal, then says
Bright water shortage.Easily helical-lobe compressor 100 is caused to damage if water shortage.By the way that water water temperature sensor 600, inspection is arranged
The difference into water water temperature signal and output water temperature signal is looked into, and according to the energy level of this control helical-lobe compressor 100, it can be utmostly
Protect helical-lobe compressor 100 injury-free.
Embodiment 1
A kind of energy level adjusting method is set forth below, the energy for the helical-lobe compressor in adjusting screw rod formula Central air-conditioning unit
Grade, as shown in Fig. 2, energy level adjusting method includes step 1000, step 2000, step 3100 and step 3200.
Wherein, step 1000: the indoor temperature transmitter receives the room temperature signal.
Step 2000: the control module receives the room temperature signal, to room temperature signal and the first temperature and
Second temperature is compared；When room temperature signal is less than or equal to the first temperature, step is executed；When room temperature signal is greater than
When the second temperature, step 3200 is executed.
Step 3100: control module controls helical-lobe compressor and increases energy level.
Step 3200: control module, which controls the helical-lobe compressor, reduces energy level.
Wherein, after executing step 3100 or step 3200, by a delay time, recycling executes step 1000.
When room temperature signal is greater than the first temperature and is less than or equal to second temperature, the energy of current helical-lobe compressor is maintained
Grade, the step common prior art to solve this technical problem, this will not be repeated here.
Energy level adjusting method as shown in Figure 2 is cycle detection system.
Embodiment 2
As shown in figure 3, the energy level adjusting method of the present embodiment and the energy level adjusting method of embodiment 1 are essentially identical.It is different
Point is, further includes that compare water outlet water temperature signal poor with the difference and preset temperature that enter water water temperature signal.As shown in figure 3, energy level
Adjusting method further includes step 000, and step 0000 is executed before executing step 1000.
Step 0000: the water temperature sensor detects the water temperature signal of the condenser and the evaporator and believes water temperature
Number it is sent to control module；The control module controls the work of the helical-lobe compressor according to the water temperature signal.
Wherein, step 0000 includes step 0100 and step 0200.
Step 0100: the water temperature sensor be used to detect the output water temperature signal of the condenser or the evaporator with
And the condenser or the evaporator enter water water temperature signal.
Step 0200: the control module receives the output water temperature signal and the condenser of condenser or the evaporator
Or the evaporator enters water water temperature signal, and judge the output water temperature signal and enter water water temperature signal water temperature difference it is whether big
It is poor in preset temperature.If so, executing step 0300；Step 1000 is executed if not.
Step 0300: control module, which controls the helical-lobe compressor, reduces energy level.
Energy level adjusting method as shown in Figure 3 is cycle detection system.
Embodiment 3
As shown in figure 4, the energy level adjusting method of the present embodiment and the energy level adjusting method of embodiment 2 are essentially identical.It is different
Point is that step 0200 further includes that control module judges whether the energy level of the helical-lobe compressor is greater than the second energy level.
Step 0200: it is poor greater than the preset temperature that the control module judges whether not only to meet water temperature difference, but also meets institute
That states helical-lobe compressor is greater than the second energy level.If so, executing step 0300；If it is not, executing step 1000.
Energy level adjusting method as shown in Figure 4 is cycle detection system.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of screw Central air-conditioning unit comprising compressor, evaporator and condenser, which is characterized in that the screw rod
Formula Central air-conditioning unit includes:
Control module；
Indoor temperature transmitter, the control module are electrically connected with the indoor temperature transmitter, the indoor temperature transmitter
The control module is transferred to for detecting indoor temperature signal, and by the room temperature signal；
The compressor is the adjustable helical-lobe compressor of energy level, and the control module and the screw compression mechatronics are described
Control module is used to adjust the energy level of the helical-lobe compressor；
The control module adjusts the screw rod pressure for receiving the room temperature signal, and according to the room temperature signal
The energy level of contracting machine.
2. screw Central air-conditioning unit as described in claim 1, which is characterized in that the control module is also used to interior
Temperature signal is compared with preset temperature, and the preset temperature includes the first temperature and second temperature；
When room temperature signal is less than or equal to first temperature, control module controls the helical-lobe compressor and increases energy level；
When room temperature signal is greater than the second temperature, control module, which controls the helical-lobe compressor, reduces energy level.
3. screw Central air-conditioning unit as claimed in claim 2, which is characterized in that the control module compares twice adjacent
Delay time is provided with compared between.
4. screw Central air-conditioning unit as described in claim 1, which is characterized in that the screw Central air-conditioning unit is also
Including a water temperature sensor, the water temperature sensor is electrically connected with the control module, and the water temperature sensor is for detecting water
Warm signal, the water temperature signal include output water temperature signal and the condenser or the institute of the condenser or the evaporator
That states evaporator enters water water temperature signal, and the water temperature signal is transferred to the control module by the water temperature sensor；
It is poor that the control module judges whether the output water temperature signal and the water temperature difference for entering water water temperature signal are greater than preset temperature.
5. screw Central air-conditioning unit as claimed in claim 4, which is characterized in that the control module is also used to described
Water temperature difference is compared with preset temperature difference；
When water temperature difference is greater than, the preset temperature is poor, and the control module, which controls the helical-lobe compressor, reduces energy level.
6. a kind of energy level adjusting method, which is characterized in that the energy level adjusting method is for controlling spiral shell as described in claim 1
Bar compressor；Wherein, the preset temperature includes the first temperature and second temperature；
The energy level adjusting method includes the following steps:
Step S1: the indoor temperature transmitter receives the room temperature signal；
Step S2: the control module receives the room temperature signal, to room temperature signal and the first temperature and the second temperature
Degree is compared；
When room temperature signal is less than or equal to the first temperature, step S3.1 is executed；
When room temperature signal is greater than the second temperature, step S3.2 is executed；
Step S3.1: the control module controls the helical-lobe compressor and increases energy level；
Step S3.2: the control module, which controls the helical-lobe compressor, reduces energy level.
7. energy level adjusting method as claimed in claim 6, which is characterized in that after executing step S3.1 or step S3.2, warp
A delay time is crossed, recycling executes step S1.
8. energy level adjusting method as claimed in claim 6, which is characterized in that the screw Central air-conditioning unit further includes water
Temperature sensor, the water temperature sensor are electrically connected with the control module；And the water temperature signal is transferred to the control mould
Block；
Step S0 is executed before executing the step S1；
Step S0: the water temperature sensor detects the water temperature signal of the condenser and the evaporator and sends water temperature signal
To control module；The control module controls the work of the helical-lobe compressor according to the water temperature signal.
9. energy level adjusting method as claimed in claim 8, which is characterized in that the water temperature signal include output water temperature signal and
Enter water water temperature signal；It is pre- that the control module judges whether the output water temperature signal and the water temperature difference for entering water water temperature signal are greater than
If temperature difference；
The step S0 includes the following steps:
Step S0.1: the water temperature sensor is used to detect output water temperature signal and the institute of the condenser or the evaporator
That states condenser or the evaporator enters water water temperature signal；
Step S0.2: the control module receives output water temperature signal and the condenser or the institute of condenser or the evaporator
That states evaporator enters water water temperature signal, and it is pre- to judge whether the output water temperature signal and the water temperature difference for entering water water temperature signal are greater than
If temperature difference；
If so, executing step S0.3；
If it is not, executing step S1；
Step S0.3: control module, which controls the helical-lobe compressor, reduces energy level.
10. energy level adjusting method as claimed in claim 9, which is characterized in that the load of the helical-lobe compressor is from small to large
Respectively the first energy level, the second energy level, third energy level and four-level；The control module is also used to detect the screw compression
The energy level of machine；
The step S0.2 further includes that control module judges whether the energy level of the helical-lobe compressor is greater than the second energy level；
Step S0.2: it is poor greater than the preset temperature that the control module judges whether not only to meet water temperature difference, but also meets the spiral shell
Bar compressor is greater than the second energy level；
If so, executing step S0.3；
If it is not, executing step S1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480841.7A CN109099539A (en) | 2017-12-29 | 2017-12-29 | Screw Central air-conditioning unit and its energy level adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480841.7A CN109099539A (en) | 2017-12-29 | 2017-12-29 | Screw Central air-conditioning unit and its energy level adjusting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109099539A true CN109099539A (en) | 2018-12-28 |
Family
ID=64796588
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711480841.7A Pending CN109099539A (en) | 2017-12-29 | 2017-12-29 | Screw Central air-conditioning unit and its energy level adjusting method |
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| WO2016006872A1 (en) * | 2014-07-08 | 2016-01-14 | Lg Electronics Inc. | Chiller |
| CN105546759A (en) * | 2016-01-12 | 2016-05-04 | 重庆大学 | Central air-conditioning energy-saving control system and control strategy thereof |
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- 2017-12-29 CN CN201711480841.7A patent/CN109099539A/en active Pending
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| WO2016006872A1 (en) * | 2014-07-08 | 2016-01-14 | Lg Electronics Inc. | Chiller |
| CN204285668U (en) * | 2014-11-17 | 2015-04-22 | 广州城建开发设计院有限公司 | A kind of bilateral large temperature difference air-conditioning system |
| CN104566815A (en) * | 2014-12-26 | 2015-04-29 | 珠海格力电器股份有限公司 | Remote control system and method for water system of central air conditioner and central air conditioner |
| CN105180349A (en) * | 2015-08-05 | 2015-12-23 | 广东美的制冷设备有限公司 | Air conditioner and control method and device of air conditioner |
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Application publication date: 20181228 |