CN103807982B - Air-conditioner - Google Patents
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- CN103807982B CN103807982B CN201210442944.5A CN201210442944A CN103807982B CN 103807982 B CN103807982 B CN 103807982B CN 201210442944 A CN201210442944 A CN 201210442944A CN 103807982 B CN103807982 B CN 103807982B
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- 238000001514 detection method Methods 0.000 claims abstract description 54
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 239000006200 vaporizer Substances 0.000 claims abstract description 9
- 230000004224 protection Effects 0.000 claims description 86
- 230000001012 protector Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention provides a kind of air-conditioner, the air-conditioner includes vaporizer（3）, compressor（4）, condenser（9）, throttling arrangement（11）, also include：With compressor（4）Connected detection means（13）, for detecting the compressor（4）Working condition, and detection signal is transmitted to controller（14）；Connect the detection means（13）And compressor（4）Controller（14）, for controlling the compressor according to the detection signal（4）Operating.The present invention solves the problems, such as that compressor cost is excessive and is easily caused fire, with minimizing compressor cost, avoids causing the effect of fire because of external overload protective device.
Description
Technical field
The present invention relates to Refrigeration ＆ Air-Conditioning field, in particular to a kind of air-conditioner.
Background technology
Moving machine or the compressor of dehumidifier in the market is required for arranging built-in overload protective device or external mistake
Protector is carried, its principle is the collective effect by electric current and temperature, i.e., delivery temperature exceedes when electric current reaches certain certain value
During another definite value, overload is disconnected, and control compressor is out of service, it is to avoid electric current is excessive or temperature is too high and the safety brought
Problem, its belong to mechanical control mode.However, the presence of overload causes the cost of air-conditioner to increase, in addition, external overload is needed
There are a plastic cover and compression cover, compressor top temperature is too high when overload protective device is abnormal, will cause compression
Cover catches fire, and there is fire safety hidden danger.
Compressor cost in for correlation technique is excessive and problem that be easily caused fire, not yet proposes at present effectively
Solution.
Content of the invention
The invention provides a kind of air-conditioner, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of air-conditioner, including：Vaporizer, compressor, condenser, throttling
Device, also includes：The detection means being connected with compressor, for detecting the working condition of the compressor, and by detection signal
Transmit to controller；Connect the controller of the detection means and compressor, for the pressure being controlled according to the detection signal
The operating of contracting machine.
Preferably, the detection means includes at least one of：Temperature-detecting device, for detecting the aerofluxuss of compressor
Temperature, and temperature detection signal is transmitted to the controller；Current sensing means, for detecting the electric current of the compressor,
And transmit current detection signal to the controller.
Preferably, the controller includes display panel and mainboard, wherein：The display panel connects the temperature-detecting device
And/or current sensing means, for receiving temperature detection signal and/or the electric current inspection that the temperature-detecting device is detected
The current detection signal that device is detected is surveyed, and is transmitted to the mainboard；The mainboard connects the display panel and the pressure
Contracting machine, for according to the display panel transmit to temperature detection signal and/or current detection signal control the compressor
Operating.
Preferably, the display panel also includes at least one of：Control logic circuit is protected in aerofluxuss, in the row
In the case that temperature degree recovers threshold value less than or equal to temperature, control the mainboard and power to the compressor, in the aerofluxuss temperature
Degree controls the supply current that the mainboard disconnects the compressor more than in the case of the temperature protection threshold value；
Preferably, overcurrent protection control logic circuit, the electric current for detecting in the current sensing means exceed electricity
In the case of stream rotection thresholds, control mainboard disconnects the supply current to the compressor.
Preferably, the temperature protection threshold value and the temperature recover threshold value according at least one of setting：The pressure
Delivery temperature that contracting machine specifies, motor heatproof temperature, resistance to pressure pressure.
Preferably, the current protection threshold value is set below the overcurrent protection value of the compressor, and for institute
State air-conditioner rated current 1.25～1.4 times.
Preferably, the display panel also includes：Self-checking circuit, for week continuous time under the compressor halted state
Phase detects air-conditioner electric current more than in the case of 0.5A, or under compressor behavior cycle detection continuous time to sky
Adjust device electric current and show relay adhesion fault generation less than the display floater in the case of 0.2A, notifying display panel control air-conditioner
Code, and carry out sound and light alarm.
Preferably, the display panel also includes：Jumper cap, for distinguishing the current protection threshold value of the air-conditioner of different type of machines
With temperature protection threshold value.
Preferably, the air-conditioner is dehumidifier or moving machine or window machine.
Preferably, also include：Overload protective device, for the electric current in the compressor exceed current protection threshold value and/or
Delivery temperature disconnects the confession electrical connection of the compressor, wherein, the overload protective device in the case of exceeding temperature protection threshold value
It is external overload protective device or internal overload protector.By embodiments of the invention, air-conditioner include vaporizer, compressor,
Condenser, throttling arrangement, also include：The detection means being connected with compressor, for detecting the working condition of compressor, and will inspection
Signal transmission is surveyed to controller；Connecting detection device and the controller of compressor, for controlling compressor according to detection signal
Operating, solves the problems, such as that compressor cost is excessive and is easily caused fire, so reached minimizing compressor cost, avoid because
External overload protective device and cause the effect of fire.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structured flowchart of air-conditioner according to embodiments of the present invention；
Fig. 2 is the structural representation of air-conditioner according to embodiments of the present invention.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the present invention in detail.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment one
A kind of air-conditioner is embodiments provided, Fig. 1 is the structured flowchart of air-conditioner according to embodiments of the present invention,
The air-conditioner being previously mentioned in following examples can be dehumidifier or moving machine or the refrigerating plant with structure shown in Fig. 1.
As shown in figure 1, the air-conditioner includes vaporizer 3, compressor 4, condenser 9, throttling arrangement 11, detection means 13, controller 14.
The detection means 13 being connected with compressor 4, for detecting the working condition of compressor 4, and detection signal is transmitted
To controller 14；
The controller 14 of connecting detection device 13 and compressor 4, for controlling the fortune of compressor 4 according to the detection signal
Turn.
By arranging said apparatus, the way that air-conditioner in correlation technique is required for arranging overload protective device is changed, is entered
And the cost of air-conditioner is reduced due to eliminating overload protective device, meanwhile, it also avoid because external overload protective device can
The possibility of energy initiation fire.
Detection means 13 can include many kinds, it is preferable that can include at least one of：Temperature-detecting device 10,
For detecting the delivery temperature of the exhaustor of compressor 4, and temperature detection signal is transmitted to controller 14；Current sensing means
6, for detecting the electric current of compressor 4, and current detection signal is transmitted to controller 14.By arranging temperature-detecting device 10
The temperature of exhaustor and the electric current of compressor 4 can be detected with current sensing means 6, and then can be according to the temperature for detecting
And/or the running status of current control compressor 4.
Controller 14 can include display panel 12 and mainboard 7, wherein, the connection temperature-detecting device 10 of display panel 12 and/or
Current sensing means 6, examines for receiving temperature detection signal that temperature-detecting device 10 detects and/or current sensing means 6
The current detection signal for measuring, and notify mainboard 7；The connection display panel 12 of mainboard 7 and compressor 4, for according to display panel 12
Transmit to temperature detection signal and/or current detection signal control compressor 4 operating.By arranging mainboard 7 and display panel
The corresponding delivery temperature of 12 temperature detection signals that can be detected temperature-detecting device 10 and/or current sensing means 6 are examined
The corresponding electric current of the current detection signal that measures is compared with temperature protection threshold value and current protection threshold value respectively, and then basis
Comparative result controls the running status of air-conditioner.
Display panel 12 can include a lot of circuits, it is preferred that display panel 12 can include at least one of：Aerofluxuss are protected
Control logic circuit, overcurrent protection control logic circuit.Wherein, aerofluxuss protection control logic circuit, for little in delivery temperature
In the case of temperature recovery threshold value is equal to, control mainboard 7 is powered to compressor 4, is more than temperature protection threshold value in delivery temperature
In the case of, control mainboard 7 disconnects the supply current of compressor 4；Overcurrent protection control logic circuit, in week continuous time
The electric current of compressor 4 is detected in phase more than in the case of current protection threshold value, and notice mainboard 7 disconnects the power supply to compressor 4
Electric current.Control logic circuit is protected by arranging aerofluxuss, can for greater flexibility according to the fortune of the temperature control compressor 4 of exhaustor
OK, can for greater flexibility according to the fortune of the current control compressor 4 of compressor 4 by arranging overcurrent protection control logic circuit
OK.
Threshold value can be recovered according to different parameter setting temperature protection threshold values and temperature.Preferably, temperature protection threshold value
Recover threshold value with temperature to arrange according at least to one below：The delivery temperature of the regulation of compressor 4, motor heatproof temperature, pressure pressure
Power.Temperature protection threshold value is configured according at least one above parameter and temperature recovers threshold value, temperature protection threshold can be caused
Value and temperature recover the more reasonable of threshold value setting, and then are precisely controlled the running status of compressor 4.
The set-up mode of current protection threshold value can also have many kinds, it is preferable that could be arranged to the mistake less than compressor 4
Carry current protection value, and 1.25～1.4 times for air-conditioner rated current.
Display panel 12 except include overcurrent protection control logic circuit and aerofluxuss protection control logic circuit in addition to, preferably
Ground, can also include self-checking circuit, for cycle detection continuous time under 4 halted state of compressor to electric current more than 0.5A's
In the case of, or in the case that under 4 running status of compressor, cycle detection continuous time is less than 0.2A to electric current, notify to show
The display floater of the control air-conditioner of plate 12 shows relay adhesion fault, and carries out sound and light alarm.By arranging self-checking circuit, can
To detect the failure of air-conditioner, and, while being reported to the police, user can so obtained in time by malfunction coefficient on a display panel
The reason for generation and failure for knowing failure occurs.
Preferably, display panel 12 can also include jumper cap 1, for distinguishing the current protection threshold of the air-conditioner of different type of machines
Value and temperature protection threshold value.The current protection threshold value of the air-conditioner of different type of machines is different with temperature protection threshold value, by jumper cap 1
The current protection threshold value and temperature protection threshold value of the air-conditioner of different type of machines can be distinguished, so that current protection threshold value and temperature
The setting of degree rotection thresholds is without the need for being configured for different type of machines respectively, and can unify to arrange, and carries out area by jumper cap 1
Not, so that control is more automatic.
The species of air-conditioner can have many kinds, it is preferable that can be dehumidifier, moving machine or window machine.
There is the air-conditioner of said structure, can not also include overload protective device including overload protective device.Overload is protected
Shield device, in the case where the electric current of compressor 4 exceedes current protection threshold value and/or delivery temperature exceedes temperature protection threshold value
The internal circuit of compressor 4 is disconnected to disconnect for electrical connection, wherein, overload protective device is external overload protective device or internal overload
Protector.By arranging overload protective device, duplicate protection can be played a part of.
Embodiment two
Embodiments provide a kind of air-conditioner.The embodiment of the present invention detects compressor by current sensing means
Electric current and the delivery temperature by temperature-detecting device detection compressor exhaust pipe, when the electric current of detection exceedes current protection threshold value
And/or the delivery temperature of detection exceedes temperature protection threshold value, stop compressor operating and reported to the police.The embodiment of the present invention belongs to
Electronic type control mode, can continue to retain using built-in overload protective device while certainly using the electronic type control mode
Or the mechanical control mode such as external overload protective device, it is also possible to cancel built-in overload protective device or external overload protective device
Etc. mechanical control mode.
Fig. 2 is the structural representation of air-conditioner according to embodiments of the present invention, as shown in Fig. 2 the air-conditioner includes wire jumper
Line 2 between cap 1, plate, vaporizer 3, compressor 4, whole electromechanical source line 5, current sensing means 6, mainboard 7, compressor power line 8,
Condenser 9, throttling arrangement 11, display panel 12.Wherein, jumper cap 1 is arranged on display panel 12, the connection of line 27 He of mainboard between plate
Display panel 12, vaporizer 3 and condenser 9 are connected by throttling arrangement 11, compressor 4 and temperature-detecting device 10, vaporizer 3 with
And mainboard 7 is connected, whole electromechanical source line 5 is connected with mainboard 7, and temperature-detecting device 10 is connected with display panel 12, compressor 4 respectively.
Wherein, display panel 12 can also include that control logic circuit and/or overcurrent protection control logic circuit and/or self-inspection are protected in aerofluxuss
Circuit.
Vaporizer 3, condenser 9, compressor 4, throttling arrangement 11 are four big part of air conditioning system, and its operation principle is ability
The common knowledge of field technique personnel, will not be described here.
Jumper cap 1 is used for distinguishing the different current protection definite values i.e. current protection threshold value of different type of machines and different aerofluxuss protections
Temperature definite value is temperature protection threshold value.
Temperature-detecting device 10 can be temperature sensor, for temperature signal is transferred to display panel 12, display panel 12
Judge whether the corresponding temperature of the temperature signal needs to protect, specifically, compare the corresponding temperature of the temperature signal and temperature
According to comparative result, rotection thresholds, judge whether the temperature needs to protect and generate temperature control signals, then by temperature control
Signal transmission controls the start-stop of compressor 4 and blower fan to mainboard 7, mainboard 7 by the temperature control signals.
Current sensing means device 6 can be transformer, and which is located in compressor power line 8, for detecting the electricity of compressor 4
Stream, and current signal is passed to display panel 12 by mainboard 7.Display panel 12 compares the corresponding electric current of the current signal and electric current is protected
According to comparative result, shield threshold value, judges whether the electric current needs to protect and generate current controling signal, is then passed to lead
Plate 7, mainboard 7 control the start-stop of compressor 4 and blower fan by the current controling signal of reception.
Display panel 12 is mainly used in the signal for receiving temperature-detecting device 10 and current sensing means 6, and generates control letter
Number feed back to mainboard 7.
Mainboard 7 is mainly used in providing power supply, receives control signal control compressor 4 and the operating feelings of blower fan of display panel 12
Condition.
Specifically, the specific workflow of the air-conditioner is as follows；Temperature-sensitive bag is set on air-conditioner exhaustor, the row of perception
Trachea delivery temperature.Temperature protection threshold value is set, to limit excessive discharge temperature.Exceed temperature protection threshold value in delivery temperature
When, notify mainboard 7.Meanwhile, current protection threshold value is set, prevents electric current too high.Mainboard 7 controls the two parameters to replace simultaneously
The effect of overload protective device.Such as, temperature protection threshold value is set T DEG C, delivery temperature when compressor 4 resumes operation i.e. temperature
Recover threshold value and be set as t DEG C, the two values are according to the delivery temperature in 4 specifications of compressor, motor heatproof temperature, pressure pressure
Power and arrange.1.25～1.4 times that current protection threshold value is set to rated current, generally, generally current protection
Threshold value can be worth lower slightly than 4 overcurrent protection of compressor.
When delivery temperature is higher than temperature protection threshold value, aerofluxuss protection control logic circuit notifies mainboard 7 to disconnect compressor 4
Supply current, delivery temperature less than temperature recover threshold value when, notify mainboard 7 to compressor 4 provide supply current.Excessively stream is protected
Shield control logic circuit notifies mainboard 7 to disconnect the power supply electricity of compressor 4 when the electric current of compressor 4 is higher than current protection threshold value
Stream, when the electric current is less than current protection threshold value, notifies mainboard 7 to power to compressor 4.Mainboard 7 considers aerofluxuss protection control
The message that logic circuit processed and overcurrent protection control logic circuit are reported, carries out whether decision-making passes through compressor power line 8 to pressure
Contracting machine 4 provides electric current.
Embodiment three
The air-conditioner of the embodiment of the present invention by taking dehumidifier or moving machine or window machine as an example, the dehumidifier or moving machine or window machine
There is delivery temperature protection and the overcurrent protection parallel control structure of the integral air conditioner of similar Fig. 2 structures.
The embodiment of the present invention is by taking certain model compressor as an example, it is assumed that outlet air temperature specified in compressor specifications does not surpass
115 DEG C are crossed, 130 DEG C of motor heatproof temperature, the 4.305Mp of resistance to pressure pressure.
Specifically workflow is as follows：
The temperature-sensitive bag of temperature-detecting device 10 is fixed on the exhaustor of dehumidifier or moving machine, the other end is inserted in aobvious
Show corresponding pedestal on plate 12, wherein, the major function of display panel 12 and mainboard 7 is to control the operation of air-conditioner.By overheated guarantor
Delivery temperature protection value during shield is that temperature protection threshold value is set to T DEG C, and when compressor 4 resumes operation, delivery temperature i.e. temperature is recovered
Threshold value is set to t DEG C.
Specific temperature protection threshold value is set and temperature recovers threshold value.Arrange aerofluxuss protection value be temperature protection threshold value T with
Compressor 4 resume operation outlet air temperature i.e. temperature recover threshold value t principle be：First, temperature protection threshold value is less than compressor 4
Setting in specifications；2nd, temperature value of 4 winding temperature of compressor no more than 4 specifications of compressor when aerofluxuss are protected；
3rd, time at least 3 minute of the compressor 4 from the protection of aerofluxuss next time of resuming operation；4th, 4 pressure of compressor when aerofluxuss are protected
Pressure pressure value no more than compressor 4.According to this principle, it is that temperature protection threshold value specifically sets by aerofluxuss protection temperature value
T=115 DEG C is set to, delivery temperature when compressor 4 resumes operation i.e. temperature is recovered threshold value and is set to t=85 DEG C.
Delivery temperature control mode is as follows：After compressor 4 starts, aerofluxuss protection control logic circuit is detected for continuous 30 seconds
Delivery temperature is less than 250 higher than T DEG C and AD sampled value, then reach setting damp condition by indoor environment humidity and shut down.Compressor 4
Stop foot after 3 minutes, if delivery temperature is less than t DEG C, whole machine resumes operation.
The live wire of compressor 4 is that the whole electromechanical source line 8 of compressor is connected with mainboard 7 through after current sensing means 6, wherein,
7 major function of mainboard is to provide power supply.The size that current value is detected by current sensing means 6, due to the electric current of different type of machines
Value is different, it is possible to go out a point different type by jumper cap 1.Jumper cap 1 is inserted on 12 corresponding pedestal of display panel,
Current protection threshold value is set to 1.25～1.4 times of rated current.
It is assumed that overload action UT values are 10.1-13.6A/100 DEG C in compressor specifications.
The principle of setting electric current rotection thresholds is：First, current protection threshold value is less than or is equal to electric current under declared working condition
1.25～1.4 times of value；2nd, current protection threshold value is less than or does not surpass equal to the current value and pressure in compressor specifications
Cross 4.1MPa i.e. compressor pressure 95%.According to this principle, the protective current of dehumidifier is set to 9 amperes, on condition that
It is assumed that the rated current for measuring the machine is 6.66 amperes.
The control mode of overcurrent protection is as follows：When compressor 4 runs, if overcurrent protection control logic circuit is examined for continuous 3 seconds
Measure air-conditioner electric current exceed current protection threshold value, wherein, the current protection threshold value may be selected 1 to 12 ampere between number
Value, then reach setting humidity by indoor environment humidity or temperature conditionss shut down.Compressor 4 stopped foot after 3 minutes, recovered automatically former fortune
Row state.
The air-conditioner also includes self-checking circuit and opens the function of blower fan.Self-checking circuit mainly checks whether circuit is deposited
In failures such as open circuit, short circuits, in the case that under 4 halted state of compressor, cycle detection continuous time is more than 0.5A to electric current,
Or in the case that cycle detection continuous time is less than 0.2A to electric current under compressor behavior, notify display panel 12 to control
The display floater of air-conditioner shows relay adhesion fault, and carries out sound and light alarm.In addition, self-checking circuit is also used for checking wire jumper
Whether 1 failure of cap, i.e. jumper cap 1 connect.Meanwhile, self-checking circuit can with to detect current value extremely low or abnormal high,
Protection air-conditioner simultaneously reports to the police, shows failure code and notify mainboard 7 that now mainboard 7 can not return to original running status, need to close
After machine, then start shooting and resume operation.
As can be seen from the above description, present invention achieves following technique effect：Compressor cost is reduced, in addition
External overload can be avoided and the safety problem such as fire for bringing, while this patent can reach protection air-conditioner delivery temperature mistake
Height, electric current is too high and the safety problem brought.
Obviously, those skilled in the art should be understood that each module or each step of the above-mentioned present invention can be with general
Computing device realizing, they can be concentrated on single computing device, or are distributed in multiple computing devices and are constituted
Network on, alternatively, they can be realized with the executable program code of computing device, it is thus possible to they are stored
Executed by computing device in the storage device, and in some cases, can be executed with the order being different from herein shown
The step of going out or describe, or they are fabricated to each integrated circuit modules respectively, or by the multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of air-conditioner, including vaporizer (3), compressor (4), condenser (9), throttling arrangement (11), it is characterised in that also
Including：
The detection means (13) being connected with compressor (4), for detecting the working condition of the compressor (4), and detection is believed
Number transmit to controller (14)；
Connect the controller (14) of the detection means (13) and compressor (4), for according to detection signal control
The operating of compressor (4)；
Described detection means (13) include at least one of：Temperature-detecting device (10), for detecting the aerofluxuss of compressor (4)
Temperature, and temperature detection signal is transmitted to the controller (14)；Current sensing means (6), for detecting the compressor
(4) electric current, and current detection signal is transmitted to the controller (14)；
Described controller (14) include display panel (12) and mainboard (7), wherein：Described display panel (12) connect the temperature detection
Device (10) and/or current sensing means (6), for receiving the temperature detection signal that the temperature-detecting device (10) is detected
And/or the current detection signal that current sensing means (6) detect, and transmit to the mainboard (7)；Mainboard (7)
Connect the display panel (12) and the compressor (4), for according to the display panel (12) transmit to temperature detection letter
Number and/or current detection signal control compressor (4) operating；
Wherein, display panel (12) also include：Jumper cap (1), for distinguishing the current protection threshold of the air-conditioner of different type of machines
Value and temperature protection threshold value；
Wherein, display panel (12) also include at least one of：
Control logic circuit is protected in aerofluxuss, in the case of recovering threshold value in the delivery temperature less than or equal to temperature, control
Mainboard (7) power to the compressor (4), in the case where the delivery temperature is more than the temperature protection threshold value, control
Make the supply current that the mainboard (7) disconnects compressor (4)；
Overcurrent protection control logic circuit, the electric current for detecting in the current sensing means (6) exceed current protection threshold
In the case of value, control mainboard (7) disconnects the supply current to the compressor (4)；
Current sensing means device (6) are transformers, in compressor power line.
2. air-conditioner according to claim 1, it is characterised in that the temperature protection threshold value and the temperature recover threshold value
Arranged according at least one of：Delivery temperature that compressor (4) specify, motor heatproof temperature, resistance to pressure pressure.
3. air-conditioner according to claim 1, it is characterised in that the current protection threshold value is set below the compression
The overcurrent protection value of machine (4), and 1.25～1.4 times for the air-conditioner rated current.
4. air-conditioner according to claim 1, it is characterised in that display panel (12) also include：Self-checking circuit, is used for
In the case that under the compressor (4) halted state, cycle detection continuous time is more than 0.5A to air-conditioner electric current, Huo Zhe
To air-conditioner electric current less than in the case of 0.2A, notice display panel (12) is controlled for compressor behavior cycle detection lower continuous time
The display floater of air-conditioner processed shows relay adhesion fault code, and carries out sound and light alarm.
5. air-conditioner according to claim 4, it is characterised in that the air-conditioner is dehumidifier or moving machine or window machine.
6. air-conditioner according to any one of claim 1 to 5, it is characterised in that also include：
Overload protective device, exceedes current protection threshold value for the electric current in the compressor (4) and/or delivery temperature exceedes temperature
Disconnect the compressor (4) in the case of rotection thresholds supplies electrical connection, and wherein, the overload protective device is external overload protection
Device or internal overload protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210442944.5A CN103807982B (en) | 2012-11-07 | 2012-11-07 | Air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210442944.5A CN103807982B (en) | 2012-11-07 | 2012-11-07 | Air-conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103807982A CN103807982A (en) | 2014-05-21 |
| CN103807982B true CN103807982B (en) | 2017-03-15 |
Family
ID=50705122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210442944.5A Expired - Fee Related CN103807982B (en) | 2012-11-07 | 2012-11-07 | Air-conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN103807982B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333659B (en) * | 2014-08-15 | 2017-12-12 | Tcl空调器(中山)有限公司 | Dehumidifier compressor protection control method and dehumidifier |
| CN104879880A (en) * | 2015-04-23 | 2015-09-02 | 江苏新科中央空调有限公司 | Healthy air conditioner detection system |
| CN105137251B (en) * | 2015-10-09 | 2018-11-06 | 珠海格力电器股份有限公司 | The detection method of air conditioner and its failure, device and system |
| CN105332902B (en) * | 2015-12-01 | 2017-08-15 | 珠海格力电器股份有限公司 | A kind of compressor relay adhesion guard method, device and air-conditioning |
| CN106288236B (en) * | 2016-09-30 | 2019-09-20 | Tcl空调器(中山)有限公司 | Air conditioner compress control method and air conditioner |
| CN109297134B (en) * | 2018-08-29 | 2020-06-30 | 珠海格力电器股份有限公司 | Overload protection method and device for air conditioner, storage medium and air conditioner |
| CN109798997B (en) * | 2019-03-06 | 2024-05-10 | 珠海格力电器股份有限公司 | Air conditioning system, method and device for detecting compressor overcurrent by utilizing temperature sensing bag |
| CN110529371A (en) * | 2019-08-19 | 2019-12-03 | 珠海凌达压缩机有限公司 | A kind of protective device of compressor, method and compressor |
| CN110779161B (en) * | 2019-11-18 | 2021-08-27 | 宁波奥克斯电气股份有限公司 | Control method and device for compressor overload protection and air conditioner |
| CN111076349B (en) * | 2019-12-24 | 2021-01-26 | 珠海格力电器股份有限公司 | Operation control method and device, storage medium and air conditioner |
| CN116224154B (en) * | 2023-03-02 | 2023-12-05 | 湖南贝特新能源科技有限公司 | Short circuit detection tool and detection method for compressor |
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| CN201141674Y (en) * | 2007-10-09 | 2008-10-29 | 珠海格力电器股份有限公司 | Air conditioner control device |
| CN101871981A (en) * | 2010-06-01 | 2010-10-27 | 佛山市中格威电子有限公司 | Automatic detection and regulation method and circuit for air conditioner |
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| JPH07158984A (en) * | 1993-12-07 | 1995-06-20 | Matsushita Electric Ind Co Ltd | Air conditioner |
| JP5359170B2 (en) * | 2008-10-09 | 2013-12-04 | パナソニック株式会社 | Air conditioner |
| JP2011158121A (en) * | 2010-01-29 | 2011-08-18 | Panasonic Corp | Air conditioner |
| JP5659366B2 (en) * | 2010-12-28 | 2015-01-28 | パナソニックヘルスケアホールディングス株式会社 | Refrigeration equipment |
| CN102287890A (en) * | 2011-05-24 | 2011-12-21 | 上海奉天电子有限公司 | Externally controlled variable-discharge capacity compressor air conditioner controller |
| CN202868923U (en) * | 2012-11-07 | 2013-04-10 | 珠海格力电器股份有限公司 | Air conditioner |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201141674Y (en) * | 2007-10-09 | 2008-10-29 | 珠海格力电器股份有限公司 | Air conditioner control device |
| CN101871981A (en) * | 2010-06-01 | 2010-10-27 | 佛山市中格威电子有限公司 | Automatic detection and regulation method and circuit for air conditioner |
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