CN106440254A - Air conditioning system and length detection method of connection distribution pipe thereof - Google Patents
Air conditioning system and length detection method of connection distribution pipe thereof Download PDFInfo
- Publication number
- CN106440254A CN106440254A CN201610983780.5A CN201610983780A CN106440254A CN 106440254 A CN106440254 A CN 106440254A CN 201610983780 A CN201610983780 A CN 201610983780A CN 106440254 A CN106440254 A CN 106440254A
- Authority
- CN
- China
- Prior art keywords
- air
- pipeline
- conditioning system
- ultrasonic wave
- distribution pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
Abstract
The invention discloses an air conditioning system and a length detection method of a connection distribution pipe thereof. The air conditioning system comprises an air-conditioning outdoor unit, an air-conditioning indoor unit and the connection distribution pipe, wherein the air-conditioning indoor unit is in communication connection with the air-conditioning outdoor unit; the connection distribution pipe comprises a first pipeline and a second pipeline; two ends of the first pipeline and the second pipeline are communicated with the air-conditioning indoor unit and the air-conditioning outdoor unit respectively to form a cold medium circulating loop; the air conditioning system further comprises a pipeline length measurement device; the pipeline length measurement device comprises an ultrasonic generator, an ultrasonic receiver and a timer, wherein the ultrasonic generator is used for transmitting ultrasonic waves to the first pipeline or the second pipeline; the ultrasonic receiver is used for receiving the ultrasonic waves; the timer is used for calculating transmission time of the ultrasonic waves and sending the transmission time to the controller, and the controller is used for calculating a length value of the first pipeline or the second pipeline according to pre-stored transmission speed and transmission time of the ultrasonic waves. According to the air conditioning system and the length detection method, provided by the invention, the length of the connection distribution pipe can be automatically identified.
Description
Technical field
The present invention relates to air-conditioning device technical field, particularly to the length inspection of a kind of air-conditioning system and its connection distribution pipe
Survey method.
Background technology
The indoor set of existing air-conditioning system needs to realize connecting by connecting distribution pipe with off-premises station, to realize refrigerant stream
The circulation on road.And air-conditioning system can select to be adapted with this piping length as a parameter according to the length connecting distribution pipe
Control logic or control program, specifically include the control of compressor, the control of blower fan, the control of electric expansion valve, ability
The correction of decay, control of oil return and defrosting etc..The length of pipe arrangement can affect the decay of system capability, the loss of refrigerant pressure,
The total coolant quantity of system, also has an impact to system oil return and defrosting, and all of air-conditioning producer is substantially all and does not also account at present
The impact of piping length, the micro-stepping control of technical field is still not up to this degree, in current air conditioner industry air-conditioning system for
All of piping length all only has a set of control program, and the system of Super long tube and short pipe arrangement is different, and therefore this is not
Optimal control mode.With the continuous development and perfection of multi-connected machine technology, need to formulate phase respectively for different piping lengths
The optimal control mode answered, will realize this purpose, and system needs to know the piping length of this air-conditioning system, and one kind is contemplated that
Scheme be on outer machine setting hardware dial-up, determine the piping length of this system by installation personnel dial-up, but market
Upper specific installation situation different it is difficult to the mistake that avoids human factor to lead to, and automatic identification piping length reduces this
Class risk, it is achieved that the Aulomatizeted Detect of air conditioner piping, is established for realizing the micro-stepping control logic optimization under different piping lengths
Basis.
Content of the invention
The main object of the present invention is to provide a kind of air-conditioning system it is intended to be capable of the length of automatic identification connection distribution pipe.
For achieving the above object, air-conditioning system proposed by the present invention, including：
Air-conditioner outdoor unit；
Indoor apparatus of air conditioner, this indoor apparatus of air conditioner and air-conditioner outdoor unit communication connection；
And connection distribution pipe, this connection distribution pipe includes the first pipeline and the second pipeline, this first pipeline and second pipe
The two ends on road are connected with described indoor apparatus of air conditioner and air-conditioner outdoor unit respectively, form refrigerant circulation circuit,
Described air-conditioning system also includes length of pipe measurement apparatus, and this length of pipe measurement apparatus includes：
Supersonic generator, this supersonic generator, located at one end of described first pipeline or the second pipeline, is launched ultrasonic
Ripple is to described first pipeline or the second pipeline, and forms timing commencing signal；
Ultrasonic receiver, this ultrasonic receiver, located at the other end of described first pipeline or the second pipeline, receives institute
State ultrasonic wave and form timing pick-off signal；
And timer, described timer is according to the biography of timing commencing signal and the timing pick-off signal described ultrasonic wave of calculating
Between sowing time, and send to the controller of described air-conditioning system, this controller is according to the spread speed of the ultrasonic wave prestoring and this biography
It is calculated the length value of this first pipeline or the second pipeline between sowing time.
Alternatively, described air-conditioner outdoor unit and described indoor apparatus of air conditioner are equipped with fairlead, described first pipeline and second
The two ends of pipeline are respectively connected with fairlead described in, and described supersonic generator is corresponding with described ultrasonic receiver to be installed on one
Described fairlead.
Alternatively, described first pipeline is one of them of tracheae and liquid pipe, and described second pipeline is tracheae and liquid pipe
Wherein another, described supersonic generator and described ultrasonic receiver are installed on described tracheae.
Alternatively, described controller includes indoor machine controller and outdoor controller, and described timer is integrated in described
Indoor machine controller or outdoor controller.
Alternatively, described air-conditioning system includes multiple described indoor apparatus of air conditioner, and the quantity of described connection distribution pipe is multiple,
Connect distribution pipe described in one and be connected to indoor apparatus of air conditioner described in one and described air-conditioner outdoor unit.
The present invention also provides a kind of length detecting method of the connection distribution pipe of air-conditioning system, including：
Supersonic generator transmitting ultrasonic wave is to the first pipeline or the second pipeline, and forms timing commencing signal；
Ultrasonic receiver receives described ultrasonic wave and forms timing pick-off signal；
Timer calculates the propagation time of described ultrasonic wave according to described timing commencing signal and timing pick-off signal, and root
According to spread speed and this propagation time of the ultrasonic wave prestoring, it is calculated the length value of this first pipeline or the second pipeline.
Alternatively, described supersonic generator transmitting ultrasonic wave extremely described first pipeline or the second pipeline, and form timing
The step of commencing signal, including：
The air-conditioner outdoor unit of described air-conditioning system sends pipe arrangement identification signal to indoor apparatus of air conditioner；
According to this pipe arrangement, this indoor apparatus of air conditioner identifies that signal opens ultrasonic receiver, and feed back measured signal to described sky
Adjust off-premises station；
Described air-conditioner outdoor unit controls supersonic generator transmitting ultrasonic wave to described the according to described feedback measured signal
One pipeline or the second pipeline, and formed timing commencing signal control described timer start timing.
Alternatively, in transmitting ultrasonic wave to the first pipeline or the second pipeline, and after forming the step of timing commencing signal, and
Before ultrasonic receiver receives described ultrasonic wave and forms the step of timing pick-off signal, also include,
Do not receive described ultrasonic wave in Preset Time, form fault-signal and send to the controller of air-conditioning system.
Alternatively, after the step being calculated the length value of this first pipeline or the second pipeline, also include：According to prestoring
The quantity of indoor apparatus of air conditioner and corresponding address, to the first pipeline between remaining indoor apparatus of air conditioner and air-conditioner outdoor unit or
The length of the second pipeline is detected.
Technical solution of the present invention by supersonic generator launch ultrasonic wave to connect distribution pipe, ultrasonic receiver receive
By connecting the ultrasonic wave passing in distribution pipe, pass through the propagation time of Timer metric ultrasonic wave, then controller simultaneously
Spread speed according to the ultrasonic wave prestoring and this propagation time are calculated the length value of this connection distribution pipe, so can be real
Existing automatic measurement connects the length of distribution pipe.After measurement, the length value of this connection distribution pipe is stored to control as a parameter
In device, controller controls air-conditioning system accordingly according to the length value of this connection distribution pipe.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the schematic diagram of air-conditioning system one embodiment of the present invention；
Fig. 2 is the fundamental diagram of air-conditioning system in Fig. 1；
Fig. 3 is the schematic diagram of another embodiment of air-conditioning system of the present invention；
Fig. 4 is the fundamental diagram of air-conditioning system in Fig. 3；
Fig. 5 is the flow chart of the length detecting method of connection distribution pipe of air-conditioning system of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Air-conditioning system | 81 | Outdoor controller |
| 10 | Air-conditioner outdoor unit | 83 | Indoor machine controller |
| 30 | Indoor apparatus of air conditioner | 91 | Supersonic generator |
| 50 | Connect distribution pipe | 93 | Ultrasonic receiver |
| 70 | Order wire | 95 | Timer |
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation between each part, motion conditions etc. under a certain particular pose (as shown in drawings), if should
When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description being related to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that referring to
Show or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can be expressed or implicitly include at least one this feature.In addition, the technical scheme between each embodiment can
To be combined with each other, but must be capable of by those of ordinary skill in the art based on, when the combination of technical scheme occurs
Conflicting or will be understood that the combination of this technical scheme does not exist, also not in the protection model of application claims when cannot realize
Within enclosing.
Referring to figs. 1 to Fig. 4, the present invention proposes a kind of air-conditioning system 100.This air-conditioning system 100 includes：
Air-conditioner outdoor unit 10；Air-conditioner outdoor unit 10 includes compressor, outdoor heat exchanger, capillary.Compressor is air-conditioning
Heart, the gas that refrigerant is compressed into HTHP is mainly realized heat exchange by compressor by air-conditioning system 100.
Indoor apparatus of air conditioner 30, this indoor apparatus of air conditioner 30 and air-conditioner outdoor unit 10 communicate to connect；The mode of this communication connection is divided
For radio communication and wire communication, in one embodiment of this invention, lead between this indoor apparatus of air conditioner 30 and air-conditioner outdoor unit 10
Cross order wire 70 to connect.Order wire 70 includes at least P line and Q line, is typically communicated using RS485 protocol port.Order wire
70 one end is connected with P, Q port of air-conditioner outdoor unit 10, and the other end is connected with P, Q port of indoor apparatus of air conditioner 30, air conditioning chamber
Outer machine 10 is that air-conditioner outdoor unit 10 is connected with the master control borad of indoor apparatus of air conditioner 30 with P, Q port on indoor apparatus of air conditioner 30 respectively,
Air-conditioning system 100 realizes the communication of normal indoor apparatus of air conditioner 30 and air-conditioner outdoor unit 10 by P, Q line.It is of course also possible to it is logical
Cross wireless device to be communicated.
And connecting distribution pipe 50, this connection distribution pipe 50 includes the first pipeline (not shown) and the second pipeline (is not schemed
Show), the two ends of this first pipeline and the second pipeline are connected with described indoor apparatus of air conditioner 30 and air-conditioner outdoor unit 10 respectively, are formed cold
Matchmaker's closed circuit.Connect the first pipeline of distribution pipe 50 and the same length of the second pipeline.Therefore, as long as measurement first pipe
The length value of one of them of road or the second pipeline, you can learn the length value connecting distribution pipe 50.
In one embodiment of this invention, described first pipeline is one of them of tracheae and liquid pipe, described second pipeline
Wherein another for tracheae and liquid pipe, described supersonic generator 91 and described ultrasonic receiver 93 are installed on described tracheae.
That is, because tracheae is thicker than liquid pipe, therefore, being arranged on tracheae installation more convenient.
Described air-conditioning system 100 also includes length of pipe measurement apparatus, and this length of pipe measurement apparatus includes：
Supersonic generator 91, this supersonic generator 91, located at one end of described first pipeline or the second pipeline, is launched
Ultrasonic wave is to described first pipeline or the second pipeline, and forms timing commencing signal；
Ultrasonic receiver 93, this ultrasonic receiver 93, located at the other end of described first pipeline or the second pipeline, connects
Receive described ultrasonic wave and form timing pick-off signal；
And timer 95, described timer 95 is according to timing commencing signal and the timing pick-off signal described ultrasonic wave of calculating
Propagation time, and send to the controller of described air-conditioning system 100, this controller is according to the spread speed of the ultrasonic wave prestoring
With the length value that this propagation time is calculated this first pipeline or the second pipeline.
It is understood that ultrasonic wave is connecting the spread speed of distribution pipe 50 mainly with the frequency of propagation medium and ultrasonic wave
Rate is related, and the connection distribution pipe 50 in the application is copper pipe, is propagated with the ultrasonic wave of fixed frequency to measure in advance in copper pipe
The spread speed of this ultrasonic wave, and this spread speed is stored in the controller.As first passed through experiment measurement certain to determine
Frequency F (such as 20000HZ) spread speed C in copper pipe for the ultrasonic wave, and by selecting a longest connection distribution pipe 50
(the such as long distribution pipe 50 that connects is 1000 meters) maximum transmission power and ultrasonic wave to determine supersonic generator 91 receives
The detection sensitivity of device 93 it is desirable to ultrasonic receiver 93 can accurately to detect that supersonic generator 91 sends over ultrasonic
Ripple signal.
Supersonic generator 91 can be located at indoor apparatus of air conditioner 30, also can be located at air-conditioner outdoor unit 10.Wherein, Fig. 1 and Fig. 2 institute
, for supersonic generator 91 located at air-conditioner outdoor unit 10, ultrasonic receiver 93 is located at indoor apparatus of air conditioner 30 for the embodiment shown.Fig. 3
With the embodiment shown in Fig. 4 for supersonic generator 91 located at indoor apparatus of air conditioner 30, ultrasonic receiver 93 is outdoor located at air-conditioning
Machine 10.
Technical solution of the present invention launches ultrasonic wave to connection distribution pipe 50, ultrasonic receiver by supersonic generator 91
93 receive by connecting the ultrasonic wave passing in distribution pipe 50, measure the propagation time of ultrasonic wave by timer 95 simultaneously,
Then controller is calculated the length of this connection distribution pipe 50 according to the spread speed of the ultrasonic wave prestoring and this propagation time
Value, is so capable of the length that automatic measurement connects distribution pipe 50.After measurement, using the length value of this connection distribution pipe 50 as
One affecting parameters store to controller, and controller can control air-conditioning system accordingly according to the length value of this connection distribution pipe 50
100.
In the present embodiment, described air-conditioner outdoor unit 10 and described indoor apparatus of air conditioner 30 are equipped with fairlead (not shown),
The two ends of described first pipeline and the second pipeline are respectively connected with fairlead described in, described supersonic generator 91 and described ultrasonic
Ripple receiver 93 correspondence is installed on fairlead described in.
When connection distribution pipe 50 is connected with air-conditioner outdoor unit 10, if caliber is more than 19mm, typically all using welding
Mode, if caliber is less than or equal to 19mm typically by the way of the connection of screw head nut, the caliber of the copper pipe of indoor apparatus of air conditioner 30
No more than 19mm, so being all to be connected using screw head nut, internal-external machine finished product when also not installing, air-conditioner outdoor unit 10 itself
Have a bit of fairlead, the fairlead including tracheae and the fairlead of liquid pipe, difference is that caliber is different, the work of fairlead
Be during project installation be connected distribution pipe 50 and be attached, indoor apparatus of air conditioner 30 is also such, supersonic generator 91 with super
Acoustic receiver 93 is actually arranged on above air-conditioner outdoor unit 10 or that section of fairlead of indoor apparatus of air conditioner 30.This
Sample air-conditioner outdoor unit 10 and indoor apparatus of air conditioner 30 when dispatching from the factory inherently have been equipped with supersonic generator 91 with ultrasonic
Ripple receiver 93, as long as so connect distribution pipe 50 when carrying out engineering site installation just permissible.Setting fairlead can
The convenient installation for supersonic generator 91 and ultrasonic receiver 93.
In the present embodiment, described controller includes indoor machine controller 83 and outdoor controller 81, described timer
95 are integrated in described interior machine controller 83 or outdoor controller 81.
General, outdoor controller 81 plays the effect of storage and computing, and pipeline operating mechanism is mainly also had family simultaneously
Outer machine controller 81 is controlled.The operation of indoor machine controller 83 major control indoor apparatus of air conditioner 30,
In the present embodiment, described air-conditioning system 100 includes multiple described indoor apparatus of air conditioner 30, described connection distribution pipe 50
Quantity be multiple, described in one connect distribution pipe 50 be connected to indoor apparatus of air conditioner 30 described in one and air-conditioner outdoor unit 10.
General, central air conditioner system is mostly multiple on-line system, that is, an air-conditioner outdoor unit 10 is configured with multiple skies
Adjust indoor set 30.Multiple indoor apparatus of air conditioner 30 are formed with numbered address and store in the controller, are especially stored in air-conditioner outdoor unit
In 10 outdoor controller 81.
One embodiment of the detection process of this air-conditioning system 100 is that supersonic generator 91 is installed on air-conditioner outdoor unit 10,
Ultrasonic receiver 93 is installed on indoor apparatus of air conditioner 30.
First, connection distribution pipe 50 and the order wire 70 of air-conditioner outdoor unit 10 and indoor apparatus of air conditioner 30 are connected, by sky
Adjust the button of control panel of off-premises station 10 and select menu to enter connection distribution pipe 50 length recognition mode.
The course of action connecting distribution pipe 50 length recognition mode is as follows：Air-conditioner outdoor unit 10 will be clear for timer 95 first
Zero, then air-conditioner outdoor unit 10 pipe arrangement identification signal is issued the indoor apparatus of air conditioner 30 of lowest address, air-conditioning by order wire 70
Indoor set 30 receives and starts to monitor the signal sending end mouth of ultrasonic receiver 93 after pipe arrangement identifies signal, and feeds back to air conditioning chamber
Outer 10 1 measured signals of machine, illustrate to be ready for the preparation of ultrasound examination, air-conditioner outdoor unit 10 receives indoor apparatus of air conditioner 30
Measured signal after, to ultrasonic sound appratus 91 control port send control signal so that supersonic generator 91 produce one section surpass
Sound wave pulse signal (ultrasonic pulse plays than continuously ultrasonic wave energy and prevents from disturbing, and improves the effect of resolution), shape simultaneously
Become timing commencing signal, opening timing device 95 timing.Indoor apparatus of air conditioner 30 detects consistent with what supersonic generator 91 was sent
Signal after feed back a successful signal of detection to air-conditioner outdoor unit 10 by order wire 70, form timing pick-off signal, empty
After adjusting off-premises station 10 to receive the timing pick-off signal that indoor apparatus of air conditioner 30 is sent, Off Timer 95 stops timing, then reads
The numerical value of timer 95, is converted into chronomere, and according to formula L=△ t*C (wherein, L be connect distribution pipe 50 length,
△ t is ultrasonic propagation time, and C is the ultrasonic propagation velocity prestoring) calculate First indoor apparatus of air conditioner 30 to air conditioning chamber
The length of the connection distribution pipe 50 of outer machine 10.By repeating to detect that other indoor apparatus of air conditioner 30 arrive air-conditioner outdoor unit with upper type
10 ultrasonic transmission time is thus calculate the length of corresponding connecting pipings.
The present invention also provides a kind of length detecting method of the connection distribution pipe 50 of described air-conditioning system 100, including：
Step S10：Supersonic generator 91 transmitting ultrasonic wave is to the first pipeline or the second pipeline, and forms timing and start letter
Number；
Step S20：Ultrasonic receiver 93 receives described ultrasonic wave and forms timing pick-off signal；
Step S30：Timer 95 calculates the biography of described ultrasonic wave according to described timing commencing signal and timing pick-off signal
Between sowing time, and the spread speed according to the ultrasonic wave prestoring and this propagation time, it is calculated this first pipeline or the second pipeline
Length value.
Launch ultrasonic wave by supersonic generator 91 to receive by connection point to connection distribution pipe 50, ultrasonic receiver 93
The ultrasonic wave passing in pipe arrangement 50, simultaneously by timer 95 measure ultrasonic wave propagation time, then controller according to
The spread speed of the ultrasonic wave prestoring and this propagation time are calculated the length value of this connection distribution pipe 50, are so capable of
Automatic measurement connects the length of distribution pipe 50.After measurement, the length value of this connection distribution pipe 50 is stored as affecting parameters
To controller, controller can control air-conditioning system 100 accordingly according to the length value of this connection distribution pipe 50.
In the present embodiment, step S10：Supersonic generator 91 transmitting ultrasonic wave is to described first pipeline or second pipe
Road, and form timing commencing signal and include：
The air-conditioner outdoor unit 10 of described air-conditioning system 100 sends pipe arrangement identification signal to indoor apparatus of air conditioner 30；
According to this pipe arrangement, this indoor apparatus of air conditioner 30 identifies that signal opens ultrasonic receiver 93, and feed back measured signal to institute
State air-conditioner outdoor unit 10；
Described air-conditioner outdoor unit 10 controls supersonic generator 91 transmitting ultrasonic wave to institute according to described feedback measured signal
Stating the first pipeline or the second pipeline, and form timing commencing signal controls described timer 95 to start timing.
Air-conditioner outdoor unit 10 sends pipe arrangement identification signal to indoor apparatus of air conditioner 30, and pipe arrangement identification signal passes through order wire 70
To the indoor apparatus of air conditioner 30 of lowest address, indoor apparatus of air conditioner 30 starts to monitor ultrasonic receiver 93 after receiving pipe arrangement identification signal
Signal sending end mouth, and feed back to a measured signal of air-conditioner outdoor unit 10, illustrate to be ready for the standard of ultrasound examination
Standby, after air-conditioner outdoor unit 10 receives the measured signal of indoor apparatus of air conditioner 30, control is sent by ultrasonic wave transmitter module control port
Order processed allows supersonic generator 91 produce one section of ultrasonic pulse signal, forms timing commencing signal, opening timing device simultaneously
95 timing.
In the present embodiment, in step S10：Supersonic generator 91 launches ultrasonic wave to the first pipeline or the second pipeline,
And after forming timing commencing signal, and in step S20：Ultrasonic receiver 93 receives described ultrasonic wave and forms timing cut-off letter
Before number, also include,
Do not receive described ultrasonic wave in Preset Time, form fault-signal and send to the controller of air-conditioning system 100.
General, within the scope of the propagation time of ultrasonic wave is default at one, after exceeding Preset Time, may go out
Existing two kinds of situations：It is possible to receive ultrasonic wave for ultrasonic receiver 93 damages it is also possible to line fault is it is impossible to pass
Pass feedback signal.At this time, it may be necessary to detect to the circulation line between this indoor apparatus of air conditioner 30 and air-conditioner outdoor unit 10.
In the present embodiment, after the step being calculated the length value of this first pipeline or the second pipeline, including：According to
The quantity of indoor apparatus of air conditioner 30 prestoring and corresponding address, between remaining indoor apparatus of air conditioner 30 and air-conditioner outdoor unit 10
The length of the first pipeline or the second pipeline is detected.
That is, when air-conditioning system 100 is multi-gang air-conditioner, outdoor when having detected that lowest address indoor apparatus of air conditioner 30 arrives air-conditioning
After connection distribution pipe 50 length of machine 10, the outdoor controller of air-conditioner outdoor unit 10 gives the indoor apparatus of air conditioner 30 of other addresses successively
Send pipe arrangement identification signal one by one and record the time △ t used by machine ultrasonic transmission in each address, calculated according to formula
Go out connection distribution pipe 50 length L that every indoor apparatus of air conditioner 30 arrives air-conditioner outdoor unit 10, then pass through to compare and be calculated
Length L of big connection distribution pipe 50maxLength L with Smallest connection distribution pipe 50minAnd connect the average length of distribution pipe 50
Degree Laverage.By the length parameter of above-mentioned connection distribution pipe 50 so that the controller of air-conditioning system 100 can preferably be adjusted
The decay of control air-conditioning system 100 ability, the loss of refrigerant pressure, the total coolant quantity of air-conditioning system 100, and air-conditioning system 100
Oil return and defrosting etc..
The foregoing is only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/indirectly use
In the scope of patent protection that other related technical fields are included in the present invention.
Claims (9)
1. a kind of air-conditioning system, including：
Air-conditioner outdoor unit；
Indoor apparatus of air conditioner, this indoor apparatus of air conditioner and air-conditioner outdoor unit communication connection；
And connection distribution pipe, this connection distribution pipe includes the first pipeline and the second pipeline, this first pipeline and the second pipeline
Two ends are connected with described indoor apparatus of air conditioner and air-conditioner outdoor unit respectively, formed refrigerant circulation circuit it is characterised in that
Described air-conditioning system also includes length of pipe measurement apparatus, and this length of pipe measurement apparatus includes：
Supersonic generator, this supersonic generator, located at one end of described first pipeline or the second pipeline, launches ultrasonic wave extremely
Described first pipeline or the second pipeline, and form timing commencing signal；
Ultrasonic receiver, this ultrasonic receiver, located at the other end of described first pipeline or the second pipeline, receives described super
Sound wave simultaneously forms timing pick-off signal；
And timer, when described timer calculates the propagation of described ultrasonic wave according to timing commencing signal and timing pick-off signal
Between, and send to the controller of described air-conditioning system, this controller is according to when the spread speed of the ultrasonic wave prestoring and this propagation
Between be calculated the length value of this first pipeline or the second pipeline.
2. air-conditioning system as claimed in claim 1 is it is characterised in that described air-conditioner outdoor unit and described indoor apparatus of air conditioner are all provided with
Have a fairlead, the two ends of described first pipeline and the second pipeline are respectively connected with fairlead described in, described supersonic generator and
Described ultrasonic receiver correspondence is installed on fairlead described in.
3. air-conditioning system as claimed in claim 1 it is characterised in that described first pipeline be tracheae and liquid pipe wherein it
One, described second pipeline is the wherein another of tracheae and liquid pipe, and described supersonic generator and described ultrasonic receiver are installed
In described tracheae.
4. air-conditioning system as claimed in claim 1 is it is characterised in that described controller includes outdoor controller and indoor set
Controller, described timer is integrated in described outdoor controller or indoor machine controller.
5. air-conditioning system as claimed in claim 1 is it is characterised in that described air-conditioning system includes multiple described air-conditionings interiors
Machine, the quantity of described connection distribution pipe is multiple, connects distribution pipe and be connected to indoor apparatus of air conditioner described in one and described sky described in one
Adjust off-premises station.
6. a kind of length detecting method of the connection distribution pipe of described air-conditioning system as arbitrary in claim 1 to 5, its feature exists
In, including：
Supersonic generator transmitting ultrasonic wave is to the first pipeline or the second pipeline, and forms timing commencing signal；
Ultrasonic receiver receives described ultrasonic wave and forms timing pick-off signal；
Timer calculates the propagation time of described ultrasonic wave according to described timing commencing signal and timing pick-off signal, and according to pre-
The spread speed of the ultrasonic wave deposited and this propagation time, it is calculated the length value of this first pipeline or the second pipeline.
7. the length detecting method of the connection distribution pipe of air-conditioning system as claimed in claim 6 is it is characterised in that described ultrasonic
Wave producer transmitting ultrasonic wave is to described first pipeline or the second pipeline, and the step forming timing commencing signal, including：
The air-conditioner outdoor unit of described air-conditioning system sends pipe arrangement identification signal to indoor apparatus of air conditioner；
According to this pipe arrangement, this indoor apparatus of air conditioner identifies that signal opens ultrasonic receiver, and feed back measured signal to described air conditioning chamber
Outer machine；
Described air-conditioner outdoor unit controls supersonic generator transmitting ultrasonic wave to described first pipe according to described feedback measured signal
Road or the second pipeline, and formed timing commencing signal control described timer start timing.
8. the length detecting method of the connection distribution pipe of air-conditioning system as claimed in claim 6 is it is characterised in that in ultrasonic wave
Generator transmitting ultrasonic wave, to the first pipeline or the second pipeline, and after forming the step of timing commencing signal, and connects in ultrasonic wave
Receive before device receives described ultrasonic wave and form the step of timing pick-off signal, also include,
Do not receive described ultrasonic wave in Preset Time, form fault-signal and send to the controller of air-conditioning system.
9. the length detecting method of the connection distribution pipe of air-conditioning system as claimed in claim 6 is it is characterised in that calculating
To after the step of this first pipeline or the length value of the second pipeline, also include：Quantity according to the indoor apparatus of air conditioner prestoring and
Corresponding address, examines to the length of the first pipeline between remaining indoor apparatus of air conditioner and air-conditioner outdoor unit or the second pipeline
Survey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983780.5A CN106440254A (en) | 2016-11-08 | 2016-11-08 | Air conditioning system and length detection method of connection distribution pipe thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983780.5A CN106440254A (en) | 2016-11-08 | 2016-11-08 | Air conditioning system and length detection method of connection distribution pipe thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106440254A true CN106440254A (en) | 2017-02-22 |
Family
ID=58207876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610983780.5A Pending CN106440254A (en) | 2016-11-08 | 2016-11-08 | Air conditioning system and length detection method of connection distribution pipe thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106440254A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110175424A (en) * | 2019-05-31 | 2019-08-27 | 珠海格力电器股份有限公司 | Circuit design method, apparatus, computer equipment and the storage medium of air-conditioner set |
| CN111780328A (en) * | 2020-06-24 | 2020-10-16 | 珠海格力电器股份有限公司 | Air supply control method and device and air conditioning equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS629133A (en) * | 1985-07-02 | 1987-01-17 | Matsushita Electric Ind Co Ltd | Ultrasonic wave humidifier |
| CN101886950A (en) * | 2009-05-14 | 2010-11-17 | 上海市南洋中学 | Sound velocity determination experimental system and measurement method |
| CN103411291A (en) * | 2013-08-30 | 2013-11-27 | 海信（山东）空调有限公司 | Expansion valve injection control method and system |
| CN103869321A (en) * | 2014-03-28 | 2014-06-18 | 中国科学院空间科学与应用研究中心 | Ultrasonic distance measurement system and method for controlling ultrasonic distance measurement system to measure distance |
| CN103917834A (en) * | 2011-11-07 | 2014-07-09 | 三菱电机株式会社 | Air-conditioning apparatus |
| WO2014139665A1 (en) * | 2013-03-15 | 2014-09-18 | Al-Ko Therm Gmbh | Ultrasonic nebuliser |
-
2016
- 2016-11-08 CN CN201610983780.5A patent/CN106440254A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS629133A (en) * | 1985-07-02 | 1987-01-17 | Matsushita Electric Ind Co Ltd | Ultrasonic wave humidifier |
| CN101886950A (en) * | 2009-05-14 | 2010-11-17 | 上海市南洋中学 | Sound velocity determination experimental system and measurement method |
| CN103917834A (en) * | 2011-11-07 | 2014-07-09 | 三菱电机株式会社 | Air-conditioning apparatus |
| WO2014139665A1 (en) * | 2013-03-15 | 2014-09-18 | Al-Ko Therm Gmbh | Ultrasonic nebuliser |
| CN103411291A (en) * | 2013-08-30 | 2013-11-27 | 海信（山东）空调有限公司 | Expansion valve injection control method and system |
| CN103869321A (en) * | 2014-03-28 | 2014-06-18 | 中国科学院空间科学与应用研究中心 | Ultrasonic distance measurement system and method for controlling ultrasonic distance measurement system to measure distance |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110175424A (en) * | 2019-05-31 | 2019-08-27 | 珠海格力电器股份有限公司 | Circuit design method, apparatus, computer equipment and the storage medium of air-conditioner set |
| CN111780328A (en) * | 2020-06-24 | 2020-10-16 | 珠海格力电器股份有限公司 | Air supply control method and device and air conditioning equipment |
| CN111780328B (en) * | 2020-06-24 | 2021-12-14 | 珠海格力电器股份有限公司 | Air supply control method and device and air conditioning equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104833041B (en) | A kind of combined air conditioners pipeline balance method and combined air conditioners | |
| CN104006497A (en) | One-to-multi air conditioning system refrigerant flow control method and device | |
| CN108361917A (en) | Air conditioner defrosting control method | |
| CN106556109A (en) | The wireline inspection method of air conditioning system and air conditioning system | |
| CN106196272A (en) | Indoor apparatus of air conditioner, air-conditioning air volume control method and device | |
| CN110762738A (en) | Multi-split protocol conversion control method, device and system and air conditioning system | |
| CN106440254A (en) | Air conditioning system and length detection method of connection distribution pipe thereof | |
| CN104613591B (en) | A kind of air conditioner wireless network-building method | |
| CN106369891A (en) | Air conditioning unit and control method thereof | |
| CN106524403A (en) | Control method, control device and controller of air conditioner, and air conditioner | |
| CN105318491A (en) | Air conditioner control method and device | |
| CN104676991B (en) | Air-conditioner and its Defrost method | |
| CN114754413B (en) | Multi-split air conditioning system and fault positioning method | |
| CN112013478B (en) | Air conditioning system, control method of air conditioning system, and retrofitting operation method | |
| CN107655083A (en) | A kind of device and its implementation of the plenum chamber balanced ventilation of control data center | |
| CN108105855A (en) | Air conditioner and its control method | |
| CN106546420A (en) | The valve body detection method of air-conditioning model machine and device, air conditioning system | |
| CN104535884A (en) | Method for judging whether indoor machine data line of domestic multi-split unit is wrongly connected | |
| US11732918B2 (en) | Air conditioner and piping communication method thereof | |
| CN111006306B (en) | Multi-split air conditioner | |
| CN206989490U (en) | A kind of air conditioner kind of refrigeration cycle and air conditioner | |
| CN108332384A (en) | Air-conditioner control method and control circuit | |
| CN117044180A (en) | Communication failure determination device | |
| CN108375257A (en) | Air-conditioner control method and control circuit | |
| CN212779142U (en) | Ultrasonic instrument for measuring length of split air conditioner connecting pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
| RJ01 | Rejection of invention patent application after publication |