CN107044750B - Drive control method, system and the equipment of electric expansion valve - Google Patents
Drive control method, system and the equipment of electric expansion valve Download PDFInfo
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- CN107044750B CN107044750B CN201710161270.4A CN201710161270A CN107044750B CN 107044750 B CN107044750 B CN 107044750B CN 201710161270 A CN201710161270 A CN 201710161270A CN 107044750 B CN107044750 B CN 107044750B
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- expansion valve
- electric expansion
- group
- control command
- operation control
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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
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
Abstract
The invention proposes a kind of drive control methods of electric expansion valve, system and equipment, it is more than two by the way that electric expansion valve to be divided into, then corresponding operation control command is successively sent to each group electric expansion valve respectively, for successively controlling the work of each group electric expansion valve, the quantity of the operation control command is identical as electronic expansion valve group number, each operation control command controls corresponding one group of electric expansion valve work, each operation control command is successively sent, it does not send simultaneously, illustrate that each group electric expansion valve does not work at the same time, power needed for reducing same period electric expansion valve, reduce the load of power circuit, without increasing power circuit hardware cost it is ensured that the electric expansion valve of each group works normally；And due to power circuit load reduction, it can be improved the stability of power circuit work, the working life of power circuit can be improved.
Description
Technical field
The present invention relates to a kind of drive control method of electronic expansion valve technology field more particularly to electric expansion valve, it is
System and equipment.
Background technique
Electric expansion valve is the device for adjusting evaporator liquid supply rate, and control electric expansion valve need to consume certain when operating
Power, when there are many electric expansion valve quantity for needing to control simultaneously, the general power of demand is very big, in this way, load is excessive,
It will cause overload, power supply energy supply can be made insufficient, power circuit is damaged, influence service life.
Summary of the invention
Based on this, the present invention a kind of drive control method, system and the equipment of electric expansion valve enable to electronic expansion
The demand power of valve reduces, and reduces power circuit load.
A kind of drive control method of electric expansion valve, comprising the following steps:
It obtains more than two for controlling the operation control command of electric expansion valve operating；Wherein, the electric expansion valve
It is divided into more than two, the quantity of the operation control command is identical as electronic expansion valve group number；
Corresponding operation control command is successively sent to each group electric expansion valve respectively.
A kind of driving control system of electric expansion valve, comprising:
Module is obtained, it is more than two for controlling the operation control command of electric expansion valve operating for obtaining；Wherein, institute
It states electric expansion valve and is divided into more than two, the quantity of the operation control command is identical as electronic expansion valve group number；
Sending module, for successively sending corresponding operation control command to each group electric expansion valve respectively.
The drive control method and system of above-mentioned electric expansion valve, electric expansion valve are divided into more than two, are then distinguished
Corresponding operation control command is successively sent to each group electric expansion valve, for successively control each group electric expansion valve work.This
In the drive control method and system of the electric expansion valve of invention, the quantity and electronic expansion valve group number of the operation control command
Identical, each operation control command controls corresponding one group of electric expansion valve work, and each operation control command is successively to send out
It send, does not send simultaneously, illustrate that each group electric expansion valve does not work at the same time, reduce same period electric expansion valve institute
Need power, reduce the load of power circuit, without increase power circuit hardware cost it is ensured that each group electronic expansion
Valve works normally；And due to power circuit load reduction, it can be improved the stability of power circuit work, power circuit can be improved
Working life.
A kind of drive control apparatus of electric expansion valve, comprising: drive control circuit；
The drive control circuit is used for
It obtains more than two for controlling the operation control command of electric expansion valve operating；Wherein, the electric expansion valve
It is divided into more than two, the quantity of the operation control command is identical as electronic expansion valve group number；
Corresponding operation control command is successively sent to each group electric expansion valve respectively.
The drive control apparatus of above-mentioned electric expansion valve, including drive control circuit, the drive control circuit is used for will
Electric expansion valve is divided into more than two, then successively sends corresponding operation control command to each group electric expansion valve respectively, uses
In successively control each group electric expansion valve work.In the drive control method, apparatus of electric expansion valve of the invention, the operating control
The quantity for making instruction is identical as electronic expansion valve group number, and each operation control command controls corresponding one group of electric expansion valve work
To make, each operation control command successively sends, does not send simultaneously, illustrate that each group electric expansion valve does not work at the same time,
Power needed for reducing same period electric expansion valve reduces the load of power circuit, hard without increasing power circuit
Part cost is it is ensured that the electric expansion valve of each group works normally；And due to power circuit load reduction, power supply electricity can be improved
The stability of road work, can be improved the working life of power circuit.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the drive control method of electric expansion valve of the invention；
Fig. 2 is the schematic diagram of four groups of electric expansion valve cycle operations in a specific embodiment；
Fig. 3 is the structural schematic diagram of the drive control circuit of the electric expansion valve in one embodiment；
Fig. 4 is a kind of structural schematic diagram of the driving control system of electric expansion valve of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, Fig. 1 is a kind of flow diagram of the drive control method of electric expansion valve of the invention.
The drive control method of the electric expansion valve of present embodiment, it may include following steps:
S11: it obtains more than two for controlling the operation control command of electric expansion valve operating；Wherein, the electronics is swollen
Swollen valve is divided into more than two, and the quantity of the operation control command is identical as electronic expansion valve group number；
S12: corresponding operation control command is successively sent to each group electric expansion valve respectively.
The drive control method of above-mentioned electric expansion valve, electric expansion valve is divided into it is more than two, then respectively to each group
Electric expansion valve successively sends corresponding operation control command, for successively control each group electric expansion valve work.This embodiment party
In the drive control method of the electric expansion valve of formula, the quantity of the operation control command is identical as electronic expansion valve group number, often
A operation control command controls corresponding one group of electric expansion valve work, and each operation control command is successively sent, no
It sends simultaneously, illustrates that each group electric expansion valve does not work at the same time, function needed for reducing same period electric expansion valve
Rate reduces the load of power circuit, without increasing power circuit hardware cost it is ensured that the electric expansion valve of each group is normal
Work；And due to power circuit load reduction, it can be improved the stability of power circuit work, the work of power circuit can be improved
Service life.
Wherein, for step S11, the operation control command includes the enabled instruction for starting electric expansion valve work
And/or increase the open degree increase instruction and/or open degree holding instruction of electric expansion valve open degree.
In one embodiment, when the operation control command includes that open degree increases instruction and open degree holding instruction, then
It when sending corresponding open degree to any one group of electric expansion valve and increasing instruction, obtains the open degree and keeps instruction, and to removing
Each group electric expansion valve except any one group of electric expansion valve sends the open degree and keeps instruction.
It specifically, can be to any one group of electric expansion valve when the operation control command is that open degree increases instruction
Open degree control device sends corresponding open degree and increases instruction, and the open degree control device can be for for controlling electronic expansion
The motor of valve opening, when motor speed increases, electronic expansion valve opening increases, so that the liquid supply rate of electric expansion valve increases,
Increase motor speed, then to increase the input power of electric expansion valve.Open degree is sent to any one group of electric expansion valve to increase
When adding instruction, for improving the input power of this group of electric expansion valve.So, correspondence is being sent to any one group of electric expansion valve
Open degree when increasing instruction, obtain open degree and keep instruction, and to each group in addition to any one group of electric expansion valve
Electric expansion valve is sent the open degree and keeps being worked when instruction, i.e. each group electric expansion valve difference with larger input power, often
It is secondary that when one group of electric expansion valve transmission open degree increase instruction, the input power of only one group electric expansion valve is maximum, other
The electric expansion valve of group is operated with small-power.Power needed for same period electric expansion valve can be reduced reduces power supply electricity
The load on road.
The electric expansion valve can be the electric expansion valve of destination number, and the destination number can be the electricity that need to be driven
The total quantity of sub- expansion valve.The electric expansion valve can be divided into two groups, three groups, four groups or more, specific visual practical feelings
Depending on condition.Every group of electric expansion valve quantity can be equal also unequal.Specifically, such as in an air-conditioning system, electronic expansion
The destination number of valve is 8,8 electric expansion valves can be divided into 4 groups or 3 groups, when being divided into 4 groups, every group of electronic expansion
Valve quantity is 2, when being divided into 3 groups, and each group electric expansion valve quantity can be 2,3.
Optionally, the quantity of every group of electric expansion valve is 3 or less.
Electric expansion valve needs certain power that can just drive it work as the executive device for adjusting evaporator liquid supply rate
Make, power circuit is used to provide input power for electric expansion valve, and such as quantity of each group of electric expansion valve is 3,2 or 1
It is a, then then without having higher requirement to power circuit, without being transformed liter to the existing power circuit commonly energized
Grade can also save hardware cost while guaranteeing that electric expansion valve works normally.
Specifically, the quantity of every group of electric expansion valve is 2；Wherein, every group of electric expansion valve includes a major loop electricity
Sub- expansion valve and an increasing enthalpy electric expansion valve.
In heat pump system, major loop electric expansion valve and increasing enthalpy electric expansion valve are the electronics of two kinds of different function types
Expansion valve, major loop electric expansion valve and increasing enthalpy electric expansion valve need to run simultaneously but separately adjustable just can guarantee heat pump system
The needs of liquid supply rate, to guarantee system stability.
In one specific example, described two above operation control commands can be different, and different operation control commands is logical
Cross and different variables be set to realize, for example, the group number of the electric expansion valve be 4 groups, totally 8, every group of major loop electronics
As soon as expansion valve increasing enthalpy electric expansion valve, then there is 4 different control instructions.Specifically, variable a can be allowed to be added to certainly from 0
A=0 is enabled when 4, a=4 immediately.Therefore a circulation change between 0,1,2,3 this four numerical value can be allowed.When to enable a be 0, it is main to adjust first
Circuit electric expansion valve and the first increasing enthalpy electric expansion valve when a is 1, control the second major loop electric expansion valve and second
The work of increasing enthalpy electric expansion valve when a is 2, controls third major loop electric expansion valve and the work of third increasing enthalpy electric expansion valve,
When a is 3, controls the 4th major loop electric expansion valve and the work of the 4th increasing enthalpy electric expansion valve, when a=4 enable a=0 immediately, i.e.,
Control the first major loop electric expansion valve and the work of the first increasing enthalpy electric expansion valve.Show in circulation, the first major loop electronics
Expansion valve and the first increasing enthalpy electric expansion valve operate at first, then the second major loop electric expansion valve and the second increasing enthalpy electronics
Expansion valve operating, then third major loop electric expansion valve and third increasing enthalpy electric expansion valve operate, then the 4th major loop
Electric expansion valve and the operating of the 4th increasing enthalpy electric expansion valve, the 4th major loop electric expansion valve and the 4th increasing enthalpy electronic expansion
After valve operates, it is returned to the first major loop electric expansion valve and the operating of the first increasing enthalpy electric expansion valve, is so recycled past
Multiple, only one each major loop electric expansion valve and an increasing enthalpy electric expansion valve are operating, and realize in every secondary circuit only
There is 1/4 operating that is supported on, power sharp fall not only ensure that the safe operation of circuit board, decrease hardware design
Cost.
For step S12, loop control each group electric expansion valve can work in sequence, in one embodiment, respectively to
Each group electric expansion valve successively sends the step of corresponding operation control command and includes:
First operation control command is successively sent to first group of electric expansion valve to last group of electric expansion valve respectively
To the last one operation control command；
After sending the last one operation control command to last group of electric expansion valve, re-execute described respectively to first
Group electric expansion valve to last group of electric expansion valve successively sends first operation control command to the last one operating control
The step of instruction.
In the present embodiment, after sending corresponding operation control command to first group of electric expansion valve, by preset order point
Corresponding operation control command is not sent successively to remaining each group electric expansion valve, to last group of electric expansion valve transmission pair
After the operation control command answered, corresponding operation control command is sent to first group of electric expansion valve again, it is then suitable by presetting
Sequence successively sends corresponding operation control command to remaining each group electric expansion valve respectively, in this way, circulation executes above-mentioned steps.
For example, the group number of the electric expansion valve is 4 groups, then just there are 4 different operation control commands, followed at one
In ring, first operation control command first is sent to first group of electric expansion valve, then sends the to second group of electric expansion valve
Then two operation control commands send third operation control command to third group electric expansion valve, then to the 4th group of electricity
Sub- expansion valve sends the 4th operation control command；Repeat step as above.Each time when other each group electronics are swollen in circulation
When swollen valve does not receive operation control command, other each group electric expansion valves are in " standby " state, when a certain group of electronics is swollen
Swollen valve receives operation control command, can control this group of electric expansion valve work, this group of electric expansion valve is in " activation " shape
State.
In one embodiment, the step of successively sending corresponding operation control command to each group electric expansion valve respectively packet
It includes:
Corresponding operation control command is successively sent to each group electric expansion valve every prefixed time interval；Wherein, described
Prefixed time interval is 32ms to 16s.
The time that each group electric expansion valve works in each circulation can also be arranged according to actual needs, can be down to millisecond
Grade, for example, to be kept for working time of each group electric expansion valve in each circulation be 32ms, 100ms, 1s, 2s,
3s,·····8s····16s.Referring to Fig. 2, have four groups of electric expansion valves for example, prefixed time interval is 1s,
First operation control command was sent to first group of electric expansion valve at the 0th second, controls first group of electric expansion valve at the 0th second extremely
It operates within 1st second；Second operation control command was sent to second group of electric expansion valve at the 1st second, controls second group of electronic expansion
Valve was operated at the 1st second to the 2nd second；Third operation control command was sent to third group electric expansion valve at the 2nd second, controls third
Group electric expansion valve was operated at the 2nd second to the 3rd second；The 4th operating control was sent to the 4th group of electric expansion valve at the 3rd second to refer to
It enables, the 4th group of electric expansion valve of control was operated at the 3rd second to the 4th second；Then, circulation executed above-mentioned steps, at the 4th second to first
Group electric expansion valve sends the 1st operation control command, and the 1st group of electric expansion valve of control was operated at the 4th second to the 5th second, successively
Analogize.
Drive control method based on electric expansion valve of the invention can be realized by circuit control as follows: such as Fig. 3, be made
With STM32F103ZG single-chip microcontroller, the output of single-chip microcontroller pin is connected to ULN2003 driving chip, ULN2003 driving chip passes through
CN terminal connects electric expansion valve, and then controls electric expansion valve.Electric expansion valve be generally five lines, four phase (middle line, A,
B, tetra- phase lines of C, D) it drives, each electric expansion valve occupies 4 single-chip microcontroller pins, respectively corresponds tetra- phases of A, B, C, D.It drives
When dynamic in the way of four phase eight beat (A-AB-B-BC-C-CD-D-DA is connected in turn), by 4 tunnels of STM32F103ZG single-chip microcontroller
I/O mouthfuls of output pulse signals are sent by ULN2003 driving chip to electric expansion valve, to control the work of an electric expansion valve
Make, each electric expansion valve has individual control interface, is not associated on circuit, this is separately adjustable hardware foundation.
A kind of specific embodiment of the drive control method of electric expansion valve of the invention is explained above, is described below
A kind of specific embodiment of the driving control system of electric expansion valve of the invention.
Referring to Fig. 4, Fig. 4 is a kind of structural schematic diagram of the driving control system of electric expansion valve of the invention, this reality
Apply the driving control system of the electric expansion valve in mode, it may include:
Module 10 is obtained, it is more than two for controlling the operation control command of electric expansion valve operating for obtaining；Wherein,
The electric expansion valve is divided into more than two, and the quantity of the operation control command is identical as electronic expansion valve group number；
Sending module 20, for successively sending corresponding operation control command to each group electric expansion valve respectively.
The driving control system of above-mentioned electric expansion valve, electric expansion valve is divided into it is more than two, then respectively to each group
Electric expansion valve successively sends corresponding operation control command, for successively control each group electric expansion valve work.This embodiment party
In the drive control method and system of the electric expansion valve of formula, quantity and the electronic expansion valve group number phase of the operation control command
Together, each operation control command controls corresponding one group of electric expansion valve work, and each operation control command is successively to send
, it does not send simultaneously, illustrates that each group electric expansion valve does not work at the same time, reduce needed for same period electric expansion valve
Power, reduce the load of power circuit, without increase power circuit hardware cost it is ensured that each group electric expansion valve
It works normally；And due to power circuit load reduction, it can be improved the stability of power circuit work, power circuit can be improved
Working life.
The driving control system of electric expansion valve of the invention and the drive control method of electric expansion valve correspond,
The technical characteristic and its advantages that the embodiment of the drive control method of above-mentioned electric expansion valve illustrates are suitable for the electricity
In the embodiment of the driving control system of sub- expansion valve, hereby give notice that.
A kind of specific embodiment of the driving control system of electric expansion valve of the invention is explained above, is described below
A kind of specific embodiment of the drive control apparatus of electric expansion valve of the invention.
A kind of drive control apparatus of electric expansion valve, comprising: drive control circuit；
The drive control circuit is used for
It obtains more than two for controlling the operation control command of electric expansion valve operating；Wherein, the electric expansion valve
It is divided into more than two, the quantity of the operation control command is identical as electronic expansion valve group number；
Corresponding operation control command is successively sent to each group electric expansion valve respectively.
The drive control apparatus of above-mentioned electric expansion valve, including drive control circuit, the drive control circuit is used for will
Electric expansion valve is divided into more than two, then successively sends corresponding operation control command to each group electric expansion valve respectively, uses
In successively control each group electric expansion valve work.In the drive control method, apparatus of the electric expansion valve of present embodiment, the fortune
The quantity for turning control instruction is identical as electronic expansion valve group number, and each operation control command controls corresponding one group of electronic expansion
Valve work, each operation control command successively send, do not send simultaneously, illustrate work when each group electric expansion valve difference
Make, power needed for reducing same period electric expansion valve reduces the load of power circuit, without increasing power circuit
Hardware cost is it is ensured that the electric expansion valve of each group works normally；And due to power circuit load reduction, power supply can be improved
The stability of circuit work, can be improved the working life of power circuit.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
The each technical characteristic all possible combinations applied in example are all described, as long as however lance is not present in the combination of these technical characteristics
Shield all should be the range that this specification is recorded.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but not
Limitations on the scope of the patent of the present invention therefore can be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of drive control method of electric expansion valve, which comprises the following steps:
It obtains more than two for controlling the operation control command of electric expansion valve operating；Wherein, the electric expansion valve is divided into
More than two, the quantity of the operation control command is identical as electronic expansion valve group number；
Corresponding operation control command is successively sent to each group electric expansion valve respectively；
The operation control command include for start electric expansion valve work enabled instruction and/or increase electric expansion valve open
The open degree of Qi Du increases instruction and/or open degree keeps instruction；
Wherein, when the operation control command includes that open degree increases instruction and open degree holding instruction, then to any one group of electricity
It when sub- expansion valve sends corresponding open degree and increases instruction, obtains the open degree and keeps instruction, and to removing described any one group
Each group electric expansion valve except electric expansion valve sends the open degree and keeps instruction.
2. the drive control method of electric expansion valve according to claim 1, which is characterized in that swollen to each group electronics respectively
Swollen valve successively sends the step of corresponding operation control command and includes:
First operation control command is successively sent to most to first group of electric expansion valve to last group of electric expansion valve respectively
The latter operation control command；
After sending the last one operation control command to last group of electric expansion valve, re-execute described respectively to first group of electricity
Sub- expansion valve to last group of electric expansion valve successively sends first operation control command to the last one operation control command
The step of.
3. the drive control method of electric expansion valve according to claim 1 or 2, which is characterized in that every group of electronic expansion
The quantity of valve is 3 or less.
4. the drive control method of electric expansion valve according to claim 3, which is characterized in that every group of electric expansion valve
Quantity is 2；Wherein, every group of electric expansion valve includes a major loop electric expansion valve and an increasing enthalpy electric expansion valve.
5. the drive control method of electric expansion valve according to claim 1 or 2, which is characterized in that respectively to each group electricity
Sub- expansion valve successively sends the step of corresponding operation control command and includes:
Corresponding operation control command is successively sent to each group electric expansion valve every prefixed time interval；Wherein, described default
Time interval is 32ms to 16s.
6. a kind of driving control system of electric expansion valve characterized by comprising
Module is obtained, it is more than two for controlling the operation control command of electric expansion valve operating for obtaining；Wherein, the electricity
Sub- expansion valve is divided into more than two, and the quantity of the operation control command is identical as electronic expansion valve group number；
Sending module, for successively sending corresponding operation control command to each group electric expansion valve respectively；
The operation control command include for start electric expansion valve work enabled instruction and/or increase electric expansion valve open
The open degree of Qi Du increases instruction and/or open degree keeps instruction；
Wherein, when the operation control command includes that open degree increases instruction and open degree holding instruction, then to any one group of electricity
It when sub- expansion valve sends corresponding open degree and increases instruction, obtains the open degree and keeps instruction, and to removing described any one group
Each group electric expansion valve except electric expansion valve sends the open degree and keeps instruction.
7. a kind of drive control apparatus of electric expansion valve characterized by comprising drive control circuit；
The drive control circuit is used for
It obtains more than two for controlling the operation control command of electric expansion valve operating；Wherein, the electric expansion valve is divided into
More than two, the quantity of the operation control command is identical as electronic expansion valve group number；
Corresponding operation control command is successively sent to each group electric expansion valve respectively；
The operation control command include for start electric expansion valve work enabled instruction and/or increase electric expansion valve open
The open degree of Qi Du increases instruction and/or open degree keeps instruction；
Wherein, when the operation control command includes that open degree increases instruction and open degree holding instruction, then to any one group of electricity
It when sub- expansion valve sends corresponding open degree and increases instruction, obtains the open degree and keeps instruction, and to removing described any one group
Each group electric expansion valve except electric expansion valve sends the open degree and keeps instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161270.4A CN107044750B (en) | 2017-03-17 | 2017-03-17 | Drive control method, system and the equipment of electric expansion valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161270.4A CN107044750B (en) | 2017-03-17 | 2017-03-17 | Drive control method, system and the equipment of electric expansion valve |
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| Publication Number | Publication Date |
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| CN107044750A CN107044750A (en) | 2017-08-15 |
| CN107044750B true CN107044750B (en) | 2019-06-07 |
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| CN201710161270.4A Active CN107044750B (en) | 2017-03-17 | 2017-03-17 | Drive control method, system and the equipment of electric expansion valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110319628A (en) * | 2019-06-05 | 2019-10-11 | 深圳市深蓝电子股份有限公司 | Control method for electronic expansion valve, system and equipment based on timesharing driving |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619214Y (en) * | 2003-05-28 | 2004-06-02 | 东南大学 | Electronic expansion valve controller |
| CN103424638A (en) * | 2012-05-15 | 2013-12-04 | 珠海格力电器股份有限公司 | System and method for processing control and detection data of electronic expansion valves |
| CN105157171A (en) * | 2015-08-28 | 2015-12-16 | 珠海格力电器股份有限公司 | Control method and control system of air conditioning system |
| CN105333656A (en) * | 2014-07-09 | 2016-02-17 | 海信（山东）空调有限公司 | Air replenishing and enthalpy increasing air conditioning system and air conditioner |
| CN106247677A (en) * | 2016-08-31 | 2016-12-21 | 浙江创能新能源科技有限公司 | A kind of controller for trigeneration heat pump system |
-
2017
- 2017-03-17 CN CN201710161270.4A patent/CN107044750B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619214Y (en) * | 2003-05-28 | 2004-06-02 | 东南大学 | Electronic expansion valve controller |
| CN103424638A (en) * | 2012-05-15 | 2013-12-04 | 珠海格力电器股份有限公司 | System and method for processing control and detection data of electronic expansion valves |
| CN105333656A (en) * | 2014-07-09 | 2016-02-17 | 海信（山东）空调有限公司 | Air replenishing and enthalpy increasing air conditioning system and air conditioner |
| CN105157171A (en) * | 2015-08-28 | 2015-12-16 | 珠海格力电器股份有限公司 | Control method and control system of air conditioning system |
| CN106247677A (en) * | 2016-08-31 | 2016-12-21 | 浙江创能新能源科技有限公司 | A kind of controller for trigeneration heat pump system |
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| CN107044750A (en) | 2017-08-15 |
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