CN207065941U - Air conditioner starting drive and air conditioner - Google Patents
Air conditioner starting drive and air conditioner Download PDFInfo
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- CN207065941U CN207065941U CN201720822572.7U CN201720822572U CN207065941U CN 207065941 U CN207065941 U CN 207065941U CN 201720822572 U CN201720822572 U CN 201720822572U CN 207065941 U CN207065941 U CN 207065941U
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- 239000003507 refrigerant Substances 0.000 claims abstract description 151
- 238000010438 heat treatment Methods 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 67
- 239000007858 starting material Substances 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 239000002826 coolant Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to an air conditioner starting drive and air conditioner, wherein, air conditioner starting drive includes refrigerant heating device and the controller of being connected with refrigerant heating device, and refrigerant heating device establishes in the liquid refrigerant circulation mouth department that is close to indoor set heat exchanger for the liquid refrigerant heating of the liquid refrigerant circulation side of indoor set heat exchanger when needing preheating under the start mode of difference, so that after controller control switching-over valve switching-over is the heating mode, can in time control indoor fan operation. The air conditioner starting device can preheat the liquid refrigerant on the liquid refrigerant circulation side of the indoor unit heat exchanger before switching to the heating mode through the reversing valve, so that the temperature of the refrigerant can meet the starting condition of an indoor fan when the reversing valve reverses or in a short time after reversing, high-voltage protection is avoided, normal operation of a unit is guaranteed, and the heating comfort is improved.
Description
Technical field
It the utility model is related to air conditioner technical field, more particularly to a kind of air conditioner starter and air conditioner.
Background technology
At present, as the development of society, the raising of living standards of the people, air-cooled ducted air conditioner more and more enter regarding for people
Open country, it is widely used in a variety of places such as hotel, apartment, hotel, office.Market Feedback is after the completion of heating mode start or defrost
Unit can report high voltage protective when recovering heating mode, and when starting due to heating, unit enters anti-cool wind mode, and inner blower does not open
Dynamic, pressure at expulsion can rise violently quickly, more than the pressure protection setting value of high-voltage switch gear, cause the failure of high voltage protective.
Utility model content
The purpose of this utility model is to propose a kind of air conditioner starter and air conditioner, can be commutated by reversal valve
Blower fan is started as early as possible after into heating mode, to avoid the occurrence of high voltage protective, make unit normal operation.
According to one side of the present utility model, propose a kind of air conditioner starter, including refrigerant heater and with
The controller of the refrigerant heater connection, the refrigerant heater are located at the liquid refrigerant stream close to indoor set heat exchanger
Passage port, side of being circulated to the liquid refrigerants of the indoor set heat exchanger during for needing preheating under different start-up modes
Liquid refrigerants heats, after controller control reversal valve commutation switches to heating mode, to make indoor wind in time
Machine is run.
Further, the liquid refrigerant stream passage port of the indoor set heat exchanger is connected with liquid refrigerants runner pipe, described
Refrigerant heater to liquid refrigerants by heating indirectly to liquid refrigerants runner pipe heating.
Further, in air conditioner so that under heating mode start operating performance, the refrigerant heater is in compressor start
Liquid refrigerants is preheated simultaneously；Or
Under the operating mode that the air conditioner is started with defrost pattern, the refrigerant heater is in the indoor set heat exchanger
Heat exchanger tube temperature less than preset value open, to be preheated while intrinsic defrost pattern is run to liquid refrigerants.
Further, the refrigerant heater closes when controller control reversal valve commutation switches to heating mode
Close.
Further, in addition to environment temperature test sections part, for detecting indoor environment temperature, the controller is used for root
Indoor fan when determining that heat exchanger tube temperature is not up to the first preset value indoors according to the detected value of the environment temperature test sections part
The opportunity started with low wind shelves pattern, and/or from low wind shelves pattern switching to the opportunity of setting wind shelves pattern.
Further, in addition to heat exchanger tube temperature detection part, for detecting the heat exchanger tube temperature of the indoor set heat exchanger
Degree, the controller be used for according to the heat exchanger tube temperature of the indoor set heat exchanger determine indoor fan whether postpone open, with
Low wind shelves pattern is opened or to set the unlatching of wind shelves pattern；And/or the changing according to the indoor set heat exchanger during defrost
Heat pipe temperature determines the opening and closing opportunity of the refrigerant heater.
Further, the refrigerant heater is resistive heating device or electromagnetic system heating arrangement.
According to another aspect of the present utility model, a kind of air conditioner is proposed, including the air conditioner described in above-described embodiment opens
Dynamic device.
Based on above-mentioned technical proposal, the air conditioner starter of the utility model embodiment, cut by reversal valve commutation
It is changed to before heating mode, the liquid refrigerants for the side that can be circulated to the liquid refrigerants of indoor set heat exchanger preheats, to improve air-conditioning
Device start after in system refrigerant temperature, so when reversal valve commutate or after commutating in the short period, with regard to refrigerant temperature can be made
Degree meets the entry condition of indoor fan, to make indoor fan run in time after heating mode is switched to, avoids the occurrence of height
Pressure protection, so as to ensure unit normal operation, improve heating comfortableness.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the schematic diagram of one embodiment of the utility model air conditioner；
Fig. 2 is the structural representation of one embodiment of indoor set heat exchanger in the utility model air conditioner.
Description of reference numerals：
1st, indoor set；2nd, compressor；3rd, gas-liquid separator；4th, reversal valve；5th, outdoor unit；6th, the first expansion valve；7th, second
Expansion valve；8th, check valve；9th, the first valve；10th, the second valve；11st, indoor set heat exchanger；12nd, indoor fan；13rd, refrigerant adds
Thermal；14th, liquid refrigerants runner pipe；15th, gaseous coolant runner pipe；16th, filter；51st, outdoor unit heat exchanger；52nd, it is outdoor
Blower fan.
Embodiment
The utility model described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.
The each side so limited can combine with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially
It is, it is considered to be preferable or favourable any feature can be considered as preferable or favourable spy with other one or more
Sign combination.
The term descriptions merely for convenience such as " first " that occurs in the utility model, " second ", with distinguish have it is identical
The different building blocks of title, it is not offered as priority or primary-slave relation.
The schematic diagram of one embodiment of the utility model air conditioner as shown in Figure 1, indoors side be provided with indoor set 1,
Indoor set 1 includes indoor set heat exchanger 11 and indoor fan 12, and compressor 2, gas-liquid separator 3, reversal valve 4 are provided with outside
(such as four-way reversing valve), outdoor unit 5, outdoor unit 5 include outdoor unit heat exchanger 51 and outdoor fan 52.Machine 1 and room indoors
Path between outer machine 5 is provided with the first expansion valve 6 and the second expansion valve 7, and check valve 8 is arranged in parallel with the second expansion valve 7.
The first valve 9 is provided between the expansion valve 7 of indoor set 1 and second and the tie point of check valve 8, is set between indoor set 1 and reversal valve 4
There is the second valve 10.
When air conditioner needs refrigeration, indoor set 1 is used as evaporator, and outdoor unit 5 is used as condenser, illustrated in Fig. 1
The flow direction of refrigerant, the low-temp low-pressure gaseous coolant of evaporator outlet flow through the c mouths of reversal valve 4, the d mouths connected with c mouths, and
Enter the suction end of compressor 2 after gas-liquid separator 3, the high pressure gaseous refrigerant after the compression of compressor 2 is through changing
A mouths to valve 4, the b mouths connected with a mouths are flowed in condenser exchange heat after form liquid refrigerants, then pass through the first expansion valve 6
Reducing pressure by regulating flow, and by the Returning evaporimeter of check valve 8.
When air conditioner needs heating, reversal valve 4 commutates, and a mouths is connected with c mouths, and b mouths connect with d mouths, now indoor set
1 is used as condenser, and outdoor unit 5 is used as evaporator, and refrigerant flow direction is with opposite direction shown in arrow in Fig. 1, where check valve 8
Path ends, and the liquid refrigerants formed after condenser exchanges heat passes through the first expansion valve 6 and the second expansion valve 7 of series connection simultaneously
Reducing pressure by regulating flow, return again in evaporator.When outdoor environment temperature is relatively low, the easy frosting in the course of the work of outdoor unit 5, it is
Ensure the heat exchange property of outdoor unit 5, before air conditioner is heated, it is necessary to first carry out defrost, defrost process equivalent to
Refrigeration mode works.
Based on the air conditioner schematic diagram shown in Fig. 1, on the one hand the utility model provides a kind of air conditioner starter, wraps
Refrigerant heater 13 and controller are included, refrigerant heater 13 is located at the liquid refrigerants communication port close to indoor set heat exchanger 11
Place, the liquid refrigerants for side of being circulated to the liquid refrigerants of indoor set heat exchanger 11 heat, and controller is used to receive air-conditioning
The start-up mode of device instructs and needs to open refrigerant heater 13 during preheating, to change being controlled after the first preset time
After switching to heating mode to the commutation of valve 4, to control indoor fan 12 to run in time.
The air conditioner starter of the utility model embodiment, by reversal valve commutation switch to heating mode it
Before, the liquid refrigerants for the side that can be circulated by refrigerant heater to the liquid refrigerants of indoor set heat exchanger preheats, to improve sky
Adjust device start after in system refrigerant temperature, so when reversal valve commutate or after commutating in the short period, with regard to refrigerant can be made
Temperature meets the entry condition of indoor fan, to start indoor fan in time after heating mode is switched to, avoids the occurrence of height
Pressure protection, so as to ensure unit normal operation, improve heating comfortableness.
As shown in Fig. 2 one end of indoor set heat exchanger 11 is provided with the gentle state refrigerant communication port of liquid refrigerants communication port, liquid
Liquid refrigerants runner pipe 14 is connected with refrigerant communication port, gaseous coolant runner pipe 15 is connected with gaseous coolant communication port, it is cold
Matchmaker's heater 13 is located on liquid refrigerants runner pipe 14 or set close to liquid refrigerants runner pipe 14, with cold by heating liquid
The tube wall of matchmaker's runner pipe 14 heats to liquid refrigerants indirectly.This mode of heating sets easy, it is not necessary to existing air conditioner pipe
The big changes of Lu Zuotai.Filter 16 is set in addition, can also be gone here and there on liquid refrigerants runner pipe 14, for filtering the impurity in refrigerant.
Preferably, it is different according to the mode of heating of refrigerant heater 13, resistive heating device or electromagnetic type may be selected
Electric calorifie installation, heat energy is converted electrical energy into realize.
Alternately, the liquid for the liquid refrigerants circulation side that refrigerant heater 13 also can be directly to indoor set heat exchanger 11
Refrigerant heats, for example, setting economizer on liquid refrigerants runner pipe 14, is carried out in a manner of by carrying out heat exchange to refrigerant
Heating.
Further, refrigerant heater 13 is closed when the controller control commutation of reversal valve 4 switches to heating mode.It is logical
Pre-warmed mode is crossed, when reversal valve 4 commutates, refrigerant temperature substantially meets the entry condition of indoor fan 12, therefore can be
Refrigerant heater 13 is closed when reversal valve 4 commutates, if refrigerant is still not up to the entry condition of indoor fan 12, room can be made
The startup of inner blower 12 slightly postpones, and can further make refrigerant temperature by heat caused by air conditioner heat-production within the time of delay
Degree improves, and can so save the energy consumption of air conditioner.
On this basis, air conditioner starter may also include environment temperature test sections part, for detecting indoor environment temperature
Degree, controller can determine that heat exchanger tube temperature is not up to the first default temperature indoors according to the detected value of environment temperature test sections part
Indoor fan 12 is with the opportunity of low wind shelves mode operation during angle value, and/or from low wind shelves pattern switching to setting wind shelves pattern
Opportunity.Wherein, the rotating speed of indoor fan 12 is less than setting wind shelves pattern under low wind shelves pattern.
Indoors during environment temperature difference, when the switching of corresponding startup opportunity and different mode is determined for indoor fan 12
Machine, it can meet that heating requires when environment temperature is higher indoors in a manner of low energy consumption, and when environment temperature is relatively low indoors
The startup of phase delay indoor fan 12, or extend by low wind shelves pattern switching to the transit time for setting wind shelves pattern, so as to
Ensure heat transfer effect.
Further, air conditioner starter may also include heat exchanger tube temperature detection part, such as temperature-sensitive is packaged in into room
On the heat exchanger tube of interior machine heat exchanger 11, for detecting the heat exchanger tube temperature of indoor set heat exchanger 11, controller can be according to interior
The heat exchanger tube temperature of machine heat exchanger 11 determines whether indoor fan 12 is postponed to open, opened or with low wind shelves pattern to set wind shelves
Pattern is opened；And/or the heat exchanger tube temperature according to indoor set heat exchanger 11 during defrost determines refrigerant heater 13
Opening and closing opportunity.
Air conditioner has two kinds of different start-up modes, in air conditioner with heating mode start operating performance, refrigerant heater
13 preheat while compressor 2 starts to liquid refrigerants.Under the operating mode that air conditioner is started with defrost pattern, refrigerant
The heat exchanger tube temperature of the machine heat exchanger 11 indoors of heater 13 is opened when being less than preset value, to be transported in intrinsic defrost pattern
Liquid refrigerants is preheated while row, wherein, preset value mentions the 3rd preset temperature value of ground to be follow-up.
The operation principle and control method of air conditioner starter of the present utility model are as follows, in a schematical implementation
In example, the control method includes：
Step 101, receive air conditioner start-up mode instruct after, changed according to start-up mode information and/or indoor set
The heat exchanger tube temperature T of hot device 11It is interiorDetermine the need for preheating refrigerant, perform step 102 if necessary, otherwise hold
Row step 103；
The liquid refrigerants of the liquid refrigerants circulation side of step 102, unlatching to indoor set heat exchanger 11 preheats；
Step 103, original Starting mode is kept, without preheating during air conditioner starts；
Step 104, the commutation of reversal valve 4 is controlled to switch to heating mode after the first preset time t 1 is heated；
Step 105, when refrigerant temperature meets to require, control indoor fan 12 is run.
Step 101~105 can be performed by controller, when needing to be preheated, step 101,102,104 and 105
Order performs.Controller etc. can be the specific hardware unit of the compositions such as PLC, integrated circuit, associated components.
In a step 101, start-up mode instruction is included being started with heating mode and started with defrost pattern, according to startup mould
The difference of formula, directly refrigerant can be preheated directly when compressor 2 starts or after starting, can also be according to indoor set
The heat exchanger tube temperature of heat exchanger 11 determines the need for preheating refrigerant.In a step 102, it can be controlled and opened by controller
Refrigerant heater 13 is opened, for the embodiment shown in Fig. 2, liquid refrigerants runner pipe 14 can be heated by refrigerant heater 13
With indirectly heat refrigerant, or also directly refrigerant can be heated.
In step 105, by being preheated to liquid refrigerants, the short time when reversal valve 4 commutates or after commutation
It is interior, refrigerant temperature is met to require to reach the entry condition of indoor fan 12, if what indoor fan 12 commutated in reversal valve 4
Start simultaneously, then eliminate anti-cool wind mode, if indoor fan 12 starts in the short time after the commutation of reversal valve 4, contract
The short duration of anti-cool wind mode, it can prevent the pressure at expulsion of air conditioner from increasing above the pressure protection of high-voltage switch gear
Setting value.
The air conditioner of the utility model embodiment starts control method, and heating mode is being switched to by reversal valve commutation
Before, the liquid refrigerants of liquid refrigerants circulation side that can be to indoor set heat exchanger preheats, to improve system after air conditioner starts
The temperature of middle refrigerant, in the short time so when reversal valve commutates or after commutation, with regard to refrigerant temperature can be made to meet indoor wind
The entry condition of machine, to start indoor fan in time after heating mode is switched to, high voltage protective is avoided the occurrence of, so as to ensure
Unit normal operation, improve heating comfortableness.
While the commutation of control reversal valve 4 switches to heating mode at step 104, in addition to：
Step 104 ', the liquid refrigerants for the side that stops circulating to the liquid refrigerants of indoor set heat exchanger 11 heats.
Specifically, refrigerant heater 13 is controlled to stop heating by controller.By pre-warmed mode, in reversal valve 4
During commutation, refrigerant temperature substantially meets the entry condition of indoor fan 12, therefore refrigerant heating can be closed when reversal valve 4 commutates
Device 13, if refrigerant is still not up to the entry condition of indoor fan 12, the startup of indoor fan 12 can be made slightly to postpone,
Refrigerant temperature further can be improved by heat caused by air conditioner heat-production in the time of delay, can so save air conditioner
Energy consumption.
Further, in order to judge the startup opportunity of indoor fan 12 exactly, step 105 specifically includes：
Step 201, the heat exchanger tube temperature T for detecting indoor set heat exchanger 11It is interior, can be examined by heat exchanger tube temperature detection part
Survey；
Step 202, the heat exchanger tube temperature T for judging indoor set heat exchanger 11It is interiorWhether first preset temperature value T1 is reached, if
It is then to perform step 203, otherwise performs step 204；First preset temperature value T1 is that disclosure satisfy that the entry condition of indoor fan 12
Temperature value；
Step 203, control indoor fan 12 are run, and can be low wind shelves mode operation or setting wind shelves mode operation；
Step 204, make the second preset time t of continuous service 2 after the commutation of reversal valve 4；
Step 205, control indoor fan 12 are with low wind shelves mode operation.
The embodiment can reflect current refrigerant by judging the heat exchanger tube temperature of indoor set heat exchanger 11
Whether temperature reaches the entry condition of indoor fan, to start indoor fan 12 on suitable opportunity, can meet heating needs,
And can enough shortens the duration of anti-cool wind mode, prevents high voltage protective.Wherein, in step 204, indoor fan 12 exists
Delay start after reversal valve 4 commutates, to make refrigerant temperature reach the entry condition of indoor fan 12 by delay, step 205 is in step
Perform after rapid 204, control indoor fan 12 first with low wind shelves mode operation, can avoid the relatively low refrigerant preheating of environment temperature compared with
Slowly more cold wind is blown out.
Further, if it is judged that the heat exchanger tube temperature T of indoor set heat exchanger 11It is interiorReach the first preset temperature value T1,
Then step 203 control indoor fan 12 operation specifically includes：
Step 206, the heat exchanger tube temperature T for judging indoor set heat exchanger 11It is interiorWhether second preset temperature value T2 is reached, if
It is then to perform step 207, otherwise performs step 205；Wherein, the second preset temperature value T2 is more than the first preset temperature value T1；
Step 207, indoor fan 12 is controlled to set wind shelves mode operation.
The embodiment can be to the heat exchanger tube temperature T of indoor set heat exchanger 11It is interiorFurther judge, so that indoor wind
Machine 12 is started according to temperature conditions with the wind shelves pattern matched, can be avoided blowing out a large amount of cold wind when refrigerant temperature is slightly lower, be improved
Comfort when user uses；Refrigerant temperature it is slightly higher make air conditioner quickly with indoor carry out heat exchange, shorten heating the time.
If indoor fan 12 is with low wind shelves mode operation, blower fan 12 is default with low wind shelves mode operation the 3rd indoors
After time t3, switch to indoor fan 12 to set wind shelves mode operation.It can be carried by way of wind shelves gear transition
The comfortableness that high user uses, and can rapidly improve indoor temperature according to demand.
, can two kinds of different patterns startups, respectively heating mode startup and defrost mould when air conditioner needs heating
Formula starts, and the control method under both patterns will be illustrated respectively below.
When the start-up mode instruction received is starts with heating mode, in addition to：
Environment temperature test sections part detection indoor environment temperature TRing；
Controller is according to indoor environment temperature TRingDetermine the second preset time t 2 and the 3rd preset time t 3.
If indoor environment temperature TRingIt is relatively low, it is necessary to corresponding to extend the second preset time t 2 and the 3rd preset time
T3, for example, can be to TRingSegmented node, the T in different sections are setRingIt is pre- to choose the second different preset time ts 2 and the 3rd
If time t3.By considering indoor environment temperature TRing, can more accurately determine heat exchanger tube temperature T indoorsIt is interiorNot up to
Indoor fan 12 is with the opportunity of low wind shelves mode operation during one preset temperature value T1, or from low wind shelves pattern switching to setting wind
On the opportunity of shelves pattern, to avoid blowing cold air as far as possible, users'comfort impression is improved, while air conditioner is entered heating as early as possible
State, so as to improve adaptability of the air conditioner to varying environment temperature.
When start-up mode information for when being started with heating mode, step 101 is changed according to start-up mode information and/or indoor set
The heat exchanger tube temperature of hot device 11 determines the need for carrying out preheating to refrigerant specifically including：
Determine to preheat refrigerant while compressor 2 starts.
Therefore, the control method also includes step 101A, after the instruction that air conditioner is started with heating mode is received, control
Compressor 2 processed starts；Liquid refrigerants circulation side of the step 102 to indoor set heat exchanger 11 is performed while step 101A is performed
Liquid refrigerants preheated.
After the startup of compressor 2, the refrigerant in air-conditioning system begins to circulate, and now opens refrigerant heater 13 and carries out
Preheating can do sth. in advance to heat refrigerant, extend preheating time, so that refrigerant temperature reaches indoor fan 12 and opened as early as possible
Dynamic condition.
When start-up mode information for when being started with defrost pattern, step 101 is changed according to start-up mode information and/or indoor set
The heat exchanger tube temperature of hot device 11 determines the need for carrying out preheating to refrigerant specifically including：
Step 301, the heat exchanger tube temperature T for detecting indoor set heat exchanger 11It is interior；The step be intended merely to during defrost
Other steps keep the continuity of mark to be labeled as step 301, substantially identical with step 201；
Step 302, the heat exchanger tube temperature T for judging indoor set heat exchanger 11It is interiorWhether the 3rd preset temperature value T3 is less than, if
It is the liquid refrigerants circulation side that step 102 is then performed while being run with intrinsic defrost pattern to indoor set heat exchanger 11
Liquid refrigerants is preheated, and otherwise performs step 303；
Step 303, with intrinsic defrost pattern run.
During defrost, if opening refrigerant heater 13 in advance when refrigerant temperature is relatively low, not only contribute to contract
Short defrost process duration, additionally it is possible to which as early as possible reaching refrigerant temperature after defrost process terminates makes indoor fan 12
Entry condition, so as to shorten the time of the start-up course of air conditioner consuming, to start to heat room air ahead of time.Step 301
It can be performed after compressor 2 starts.
Further, the liquid refrigerants of indoor set heat exchanger 11 is circulated while being run with intrinsic defrost pattern side
During liquid refrigerants progress is pre-warmed, in addition to：
Step 304, the heat exchanger tube temperature T for judging indoor set heat exchanger 11It is interiorWhether more than the 4th preset temperature value T4, if
Then execution step 104 ' liquid refrigerants of the side that stops circulating to the liquid refrigerants of indoor set heat exchanger 11 heats, otherwise continue plus
Heat；Wherein, the 4th preset temperature value T4 is more than the 3rd preset temperature value T3.Preferably, T1 ＜ T3 ＜ T2, T4 ＞ T2.
The heat exchanger tube temperature T of embodiment machine heat exchanger 11 indoorsIt is interiorMore than the 4th preset temperature value T4 time controls refrigeration matchmaker
Heater 13 stops heating, the energy consumption that can be saved during air conditioner defrost, and prevents refrigerant temperature too high to compressor
Functional reliability impact.
During defrost, for natural mode defrost, with the always on refrigerant of the whole process of natural mode defrost
Heater 13 and the part-time section unlatching refrigerant heater with natural mode defrost, the control method also include：
Step 305, judge whether the heat exchanger tube temperature of outdoor unit heat exchanger 51 reaches default defrost end temp, if
Then defrost process terminates.
After judging that defrost process terminates by step 305, then the control reversal valve 4 continued executing with step 104 changes
To heating mode is switched to, if the liquid refrigerants heating for side of still being circulated in the liquid refrigerants to indoor set heat exchanger 11, holds
Row step 104 ' stop heating.
After the control commutation of reversal valve 4 switches to heating mode, it is put into temperature and judges flow, i.e., changed by indoor set
The heat exchanger tube temperature T of hot device 11It is interiorJudge the opportunity for starting opportunity and the switching of the operational mode of indoor fan 12 of indoor fan 12, it is right
Should be in step 201 to 207.Judge that control method corresponding to two kinds of start-up modes of flow elements is similar on temperature.
A specific embodiment is given below, to illustrate the operation principle of air conditioner starter of the present utility model.
For the workflow of air conditioner substantially, after starting up runs, outdoor fan 52 starts, compressor 2 after 30s
Start, reversal valve, which commutates, after 20s switches to heating mode, and outdoor fan 52 keeps operating.
(1) when air conditioner is started with heating mode：
If TRing>=20 DEG C, refrigerant heater 13 is opened while compressor 2 starts, by the first preset time t 1
(such as 20s) reversal valve commutates afterwards, and closes refrigerant heater 13.Now judge TIt is interiorWhether first preset temperature value T1 is reached
(such as 35 DEG C), if not up to (TIt is interior35 DEG C of ＜) then make reversal valve after commutation the second preset time t of continuous service 2 (such as
5s), indoor fan is made to enter low wind shelves operational mode again afterwards.If reach the first preset temperature value T1 (TIt is interior>=35 DEG C), then
Determine whether TIt is interiorWhether more than the second preset temperature value T2 (such as 40 DEG C), if it exceeds the second preset temperature value T2 (TIt is interior≥
40 DEG C), then control indoor fan 12 to be judged according to setting wind shelves operation, setting wind shelves by controller according to environment temperature
Go out, if not less than (35 DEG C≤T of the second preset temperature value T2It is interior40 DEG C of ＜), then control indoor fan 12 to be run with low wind shelves,
After indoor fan 12 is with the low preset time t 3 (such as 60s) of wind shelves mode operation the 3rd, it can be directly switch into according to setting wind
Shelves operation.
If TRing20 DEG C of ＜, control method and TRingIt is essentially identical at >=20 DEG C, it the difference is that only, due to indoor environment
Temperature is relatively low, and the second preset time t 2 is extended, such as is defined as 15s, while the 3rd preset time t 3 is extended, such as determines
For 90s.
(2) when air conditioner is started with defrost pattern：
Start defrost pattern first, after the startup of compressor 2, judge TIt is interiorWhether be less than the 3rd preset temperature value T3 (such as
37 DEG C), if being not less than (TIt is interior>=37 DEG C), then run with intrinsic defrost pattern, if less than (TIt is interior37 DEG C of ＜) then in defrost
During open refrigerant heater 13, and continue to judge TIt is interiorWhether fourth preset temperature value T4 (such as 42 DEG C) is reached, if
(T is reachedIt is interior>=42 DEG C) refrigerant heater 13 is then closed, otherwise (TIt is interior42 DEG C of ＜) continue to heat during defrost.With
During these three situation defrosts, the temperature of the heat exchanger tube of outdoor unit heat exchanger 51 is judged, if reaching default
Defrost end temp, then defrost terminate.
After defrost terminates, reversal valve 4 commutates, and closes refrigerant heater 13, referring next to what is started with heating mode
Step is again to TIt is interiorJudged, to determine the operation opportunity of indoor fan 12 and operational mode.Unlike, due to defrost pattern
The temperature of lower refrigerant is lower, thus if when reversal valve 4 commutates TIt is interiorThe first preset temperature T1 is still not up to, then relative to system
For heat pattern starts, it is possible to increase reversal valve 4, which commutates to the second preset time t 2 between indoor fan 12 starts, (such as to be increased
For 45s).
Finally, the utility model additionally provides a kind of air conditioner, including the air conditioner starter described in above-described embodiment.
The air conditioner can be such that refrigerant temperature quickly rises when being started shooting and being started shooting with defrost pattern with heating by pre-warmed mode
Height, into timely startup indoor fan after heating mode, to avoid the occurrence of report high voltage protective failure in reversal valve commutation, reduce event
Barrier rate, enable unit normal use, while improve the comfortableness of heating.
Preferably, air conditioner of the present utility model can be air-cooled ducted air conditioner or courtyard machine, family expenses wall mounted machine and cabinet type
Machine etc..
A kind of air conditioner starter provided by the utility model and air conditioner are described in detail above.Herein
In apply specific embodiment principle of the present utility model and embodiment be set forth, the explanation of above example is only
It is to be used to help understand method and its core concept of the present utility model.It should be pointed out that the ordinary skill for the art
For personnel, on the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model,
These are improved and modification is also fallen into the protection domain of the utility model claims.
Claims (8)
- A kind of 1. air conditioner starter, it is characterised in that including refrigerant heater (13) and with the refrigerant heater (13) controller of connection, the refrigerant heater (13) are located at the liquid refrigerants communication port close to indoor set heat exchanger (11) Place, side of being circulated to the liquid refrigerants of the indoor set heat exchanger (11) during for needing preheating under different start-up modes Liquid refrigerants heats, after controller control reversal valve (4) commutation switches to heating mode, to make interior in time Blower fan (12) is run.
- 2. air conditioner starter according to claim 1, it is characterised in that the liquid of the indoor set heat exchanger (11) Liquid refrigerants runner pipe (14) is connected with refrigerant communication port, the refrigerant heater (13) passes through to the liquid refrigerant stream Siphunculus (14) heating is heated to liquid refrigerants indirectly.
- 3. air conditioner starter according to claim 1, it is characterised in that in air conditioner with heating mode start operating performance Under, the refrigerant heater (13) preheats while compressor (2) starts to liquid refrigerants；OrUnder the operating mode that the air conditioner is started with defrost pattern, the refrigerant heater (13) is in the indoor set heat exchanger (11) heat exchanger tube temperature is opened when being less than preset value, pre- to be carried out while intrinsic defrost pattern is run to liquid refrigerants Heating.
- 4. air conditioner starter according to claim 1, it is characterised in that the refrigerant heater (13) is described Controller control reversal valve (4) commutation is closed when switching to heating mode.
- 5. air conditioner starter according to claim 1, it is characterised in that also including environment temperature test sections part, use In detection indoor environment temperature, the controller is used to determine to change indoors according to the detected value of the environment temperature test sections part The opportunity that indoor fan (12) is started with low wind shelves pattern when heat pipe temperature is not up to the first preset value, and/or from low wind shelves mould Formula switches to the opportunity of setting wind shelves pattern.
- 6. air conditioner starter according to claim 1, it is characterised in that also including heat exchanger tube temperature detection part, For detecting the heat exchanger tube temperature of the indoor set heat exchanger (11), the controller is used for according to the indoor set heat exchanger (11) heat exchanger tube temperature determines whether indoor fan (12) is postponed to open, opened or with low wind shelves pattern to set wind shelves pattern Open；And/or the refrigerant heating dress is determined according to the heat exchanger tube temperature of the indoor set heat exchanger (11) during defrost Put the opening and closing opportunity of (13).
- 7. air conditioner starter according to claim 1, it is characterised in that the refrigerant heater (13) is resistance Formula heater or electromagnetic system heating arrangement.
- 8. a kind of air conditioner, it is characterised in that including any described air conditioner starter of claim 1~7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822572.7U CN207065941U (en) | 2017-07-10 | 2017-07-10 | Air conditioner starting drive and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822572.7U CN207065941U (en) | 2017-07-10 | 2017-07-10 | Air conditioner starting drive and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN207065941U true CN207065941U (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720822572.7U Active CN207065941U (en) | 2017-07-10 | 2017-07-10 | Air conditioner starting drive and air conditioner |
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| CN (1) | CN207065941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289682A (en) * | 2017-07-10 | 2017-10-24 | 珠海格力电器股份有限公司 | Air conditioner starting control method, control system, starting device and air conditioner |
| CN111744727A (en) * | 2019-03-28 | 2020-10-09 | 兄弟工业株式会社 | Bonding device |
-
2017
- 2017-07-10 CN CN201720822572.7U patent/CN207065941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289682A (en) * | 2017-07-10 | 2017-10-24 | 珠海格力电器股份有限公司 | Air conditioner starting control method, control system, starting device and air conditioner |
| CN111744727A (en) * | 2019-03-28 | 2020-10-09 | 兄弟工业株式会社 | Bonding device |
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