CN104864514A - Air conditioner, outdoor unit of air conditioner as well as control method of air conditioner - Google Patents
Air conditioner, outdoor unit of air conditioner as well as control method of air conditioner Download PDFInfo
- Publication number
- CN104864514A CN104864514A CN201410062009.5A CN201410062009A CN104864514A CN 104864514 A CN104864514 A CN 104864514A CN 201410062009 A CN201410062009 A CN 201410062009A CN 104864514 A CN104864514 A CN 104864514A
- Authority
- CN
- China
- Prior art keywords
- air
- premises station
- light current
- conditioning
- exhaust passage
- 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.)
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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
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
Abstract
The invention provides an outdoor unit of an air conditioner. The outdoor unit comprises a casing with a compressor mounted inside, wherein an exhaust channel communicating the outside and the inside of the casing is arranged on the casing on one side, close to the compressor, of the outdoor unit; a weak-current exhaust device is arranged at the exhaust channel. Before the air conditioner is started, the weak-current exhaust device is started firstly, a gathered refrigerant is discharged out of the casing of the air conditioner along the exhaust channel under the action of the weak-current exhaust device, so that the concentration of the refrigerant leaked from the inside of the casing is reduced, explosions are avoided, and potential safety hazards of the air conditioner are reduced. The invention further provides the air conditioner comprising the outdoor unit as well as a control method of the air conditioner.
Description
Technical field
The present invention relates to refrigeration technology field, particularly the control method of a kind of air-conditioning and off-premises station and this air-conditioning.
Background technology
Along with improving constantly of people's environmental consciousness, the refrigerant agent for air-conditioning is also continuous towards friendly to ozone layer, is again that the direction that greenhouse effects value is low is selected simultaneously.
In order to reduce production cost, adopt the refrigerant agent such as difluoromethane (R32) or propane (R290) at present, it not only has nontoxic performance, and can also be compatible with original air-conditioning refrigeration system.But these cold-producing mediums all have the hidden danger of flammable blast.
Especially air-conditioner outdoor unit, in normal mounting situation, air-conditioner outdoor unit is, by casing and air outlet grate, air-conditioner outdoor unit is sealed into a complete body, and this makes refrigerant agent to be gathered in inside, and cannot discharge.Thus cause after refrigerant agent reaches finite concentration, when the parts with forceful electric power are as actions such as relay, switch or windings, when there is sparking, refrigerant agent will be made to light, even blast, make air-conditioner outdoor unit there is certain potential safety hazard.
Therefore, how to discharge the refrigerant agent of leakage, reducing the concentration of refrigerant agent, to reduce potential safety hazard, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of off-premises station of air-conditioning, to reduce potential safety hazard.Another object of the present invention is to provide a kind of air-conditioning with above-mentioned off-premises station.Still a further object of the present invention is to provide a kind of control method of above-mentioned air-conditioning.
For solving the problems of the technologies described above, the invention provides following technical scheme:
An off-premises station for air-conditioning, comprises the housing that inside is provided with compressor, wherein, the housing near described compressor side is provided with and is communicated with air exhaust passage that is extraneous and described enclosure interior;
Described air exhaust passage place is provided with light current air exhausting device.
Preferably, in above-mentioned off-premises station, described light current air exhausting device comprises:
Be arranged on described air exhaust passage place, with the ventilating fan of being discharged by the refrigerant agent of described enclosure interior;
Drive the light current motor exhaust of described ventilating fan;
For the light current power supply that described motor exhaust is powered.
Preferably, in above-mentioned off-premises station, also comprise and be connected between power supply grid and described motor exhaust, for the supply voltage of electrical network being changed into the transformer of the described light current power supply being not more than 12 volts.
Preferably, in above-mentioned off-premises station, described light current air exhausting device also comprises:
For controlling the control circuit board of described light current motor exhaust start and stop, and described control circuit board is provided with the time relay for controlling light current motor exhaust running time.
Preferably, in above-mentioned off-premises station, in described air exhaust passage, be provided with screen pack.
Preferably, in above-mentioned off-premises station, the port of export of described air exhaust passage is provided with fly net.
Preferably, in above-mentioned off-premises station, the cross-sectional area of the port of export of described air exhaust passage is greater than the cross-sectional area of the entrance point of described air exhaust passage.
A kind of air-conditioning, comprise off-premises station, wherein, described off-premises station is the off-premises station described in above-mentioned any one.
A control method for air-conditioning as described above, it comprises the following steps:
Before described off-premises station starts, start described light current air exhausting device and run the first Preset Time;
Start described off-premises station.
Preferably, in the control method of above-mentioned air-conditioning, after starting described off-premises station, also comprise step:
In described off-premises station running, described light current air exhausting device runs the second Preset Time, and stop the 3rd Preset Time, rerun described second Preset Time, then stop described 3rd Preset Time, so circulates.
The invention provides a kind of off-premises station of air-conditioning, comprise the housing that inside is provided with compressor, this off-premises station is provided with and is communicated with air exhaust passage that is extraneous and enclosure interior on the housing near compressor side; Air exhaust passage place is provided with light current air exhausting device.Before unlatching air-conditioning, first start light current air exhausting device, to make the refrigerant agent of gathering under the effect of light current air exhausting device, the outside of air-conditioner housing is discharged to along air exhaust passage, thus reduce the concentration of the refrigerant agent that enclosure interior is revealed, avoid blasting, reduce the potential safety hazard of air-conditioning.
Present invention also offers a kind of air-conditioning, comprise off-premises station, wherein, this off-premises station is above-mentioned disclosed off-premises station, and therefore, the air-conditioning with this off-premises station also has above-mentioned all technique effects, does not repeat one by one at this.
In addition, present invention also offers a kind of control method of above-mentioned air-conditioning, it comprises the following steps: before off-premises station starts, and starts light current air exhausting device and runs Preset Time; Start off-premises station.By above-mentioned be arranged on use this air-conditioning time, first by light current air exhausting device, the cold-producing medium revealed is evacuated, and then starts this air-conditioning and make it carry out freezing or heating work.The concentration of the refrigerant agent that enclosure interior is revealed can be reduced by above-mentioned setting, avoid blasting, reduce the potential safety hazard of air-conditioning.
Accompanying drawing explanation
The structural representation of the off-premises station of the air-conditioning that Fig. 1 provides for the embodiment of the present invention;
The flow chart of the control method of the air-conditioning that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Core of the present invention is to provide a kind of off-premises station of air-conditioning, to reduce potential safety hazard.Another core of the present invention is to provide a kind of air-conditioning with above-mentioned off-premises station.A present invention again core is to provide a kind of control method of above-mentioned air-conditioning.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Please refer to shown in Fig. 1, the embodiment of the invention discloses a kind of off-premises station of air-conditioning, comprise the housing that inside is provided with compressor, it also comprises air exhaust passage 2 and light current air exhausting device.
Wherein, because compressor is the core component of refrigerant agent circulation, be the vitals that refrigerant agent occurs to leak, therefore, air exhaust passage 2 be arranged on the housing near compressor side, to make enclosure interior be in communication with the outside by air exhaust passage 2.In order to ensure that refrigerant agent can be discharged from enclosure interior smoothly, in the present invention, be provided with light current air exhausting device at air exhaust passage 2 place.
Before unlatching air-conditioning, first start light current air exhausting device, to make the refrigerant agent of gathering under the effect of light current air exhausting device, the outside of air-conditioner housing is discharged to along air exhaust passage 2, thus reduce the concentration of the refrigerant agent that enclosure interior is revealed, avoid blasting, reduce the potential safety hazard of air-conditioning.In addition, by adopting light current air exhausting device in the present invention, and light current startup is utilized not easily to occur that the advantage of striking sparks improves security.
In specific embodiment, this light current air exhausting device comprises: ventilating fan and light current motor exhaust 1, and this light current motor exhaust 1 is connected with light current power supply.When mounted, ventilating fan is arranged on air exhaust passage 2 place, with the rotation by ventilating fan the refrigerant agent of enclosure interior is extracted and be discharged to the external world.Light current motor exhaust 1 in the present invention is connected with ventilating fan, rotates to drive ventilating fan.Herein, light current motor exhaust 1 is a kind of concrete type of drive, also drives ventilating fan to rotate by toggle in practice.
Preferably, in the present invention, the supply voltage of light current power supply is set as being not more than 12 volts, directly can adopt battery or other small voltage Power supplies in practice, in addition, also between power supply grid and described motor exhaust 1, the transformer being used for the supply voltage of electrical network being changed into the above-mentioned light current power supply being not more than 12 volts can be set.Particularly, when being connected with power supply grid, need to arrange transformer and control panel etc. in turn between light current motor exhaust 1 and power supply grid, wherein, transformer is that the voltage of power supply grid carries out step-down, and by the electric current after step-down through control panel, to carry out the operations such as rectification, filtering and voltage stabilizing to voltage, to make the voltage obtained not higher than the stable DC voltage of 12 volts.
In further embodiment, this light current air exhausting device also comprises the control circuit board for controlling light current motor exhaust 1 start and stop.Operationally, operator is by the on off control of button realization to light current motor exhaust 1 on control circuit board.Further, also can carry out programming operation to control circuit board, to ensure that first light current motor exhaust 1 is started working, and stops after Preset Time, and air-conditioning is started working again when opening air-conditioning.Scope for Preset Time can set according to different needs, and all in protection domain.
Further, also comprise and be arranged on control circuit board, for controlling the time relay of light current motor exhaust 1 running time.Due in the long-time not used time, the amount that refrigerant agent is assembled is more, in order to avoid blasting, only needs the concentration of the refrigerant agent of gathering to reduce, therefore, when light current air exhausting device works, the concentration of refrigerant agent is made to be reduced to demolition point, after this, in order to reduce job costs, can stop discharging the continuation of refrigerant agent, Given this, the control circuit board in the present invention be provided with the time relay.During work, when air-conditioning receives user's enabled instruction, control circuit board mainboard powers first to light current motor exhaust 1, and motor runs, and meanwhile, the time relay starts timing, and after timing terminates, light current motor exhaust 1 is out of service, and air-conditioning is opened and normal work.
On the basis of technique scheme, in the air exhaust passage 2 provided in the present invention, be provided with screen pack, enter into enclosure interior to prevent extraneous impurity by air exhaust passage 2.The form of screen pack and strainability can be set according to different needs, be not specifically limited at this.
Further, the port of export of this air exhaust passage 2 is also provided with fly net.Effectively can prevent the biologies such as extraneous insect from entering into enclosure interior by arranging fly net, and damage is caused to the structure of inside.
In order to optimize technique scheme further, in the present invention, the cross-sectional area of the port of export of air exhaust passage 2 being set to the cross-sectional area of the entrance point being greater than air exhaust passage 2, the speed of refrigerant agent discharge can be improved by above-mentioned setting.
Present invention also offers a kind of air-conditioning, it comprises off-premises station, and wherein, this off-premises station is off-premises station disclosed in above-described embodiment, and therefore, the air-conditioning with this air-conditioner outdoor unit also has above-mentioned all technique effects, does not repeat one by one at this.
In addition, as shown in Figure 2, present invention also offers a kind of control method of above-mentioned air-conditioning, it comprises the following steps:
Step S1: before off-premises station starts, starts light current air exhausting device and runs Preset Time.
Step S2: start off-premises station.
By above-mentioned be arranged on use this air-conditioning time, first by light current air exhausting device, the cold-producing medium revealed is evacuated, and then starts this air-conditioning and make it carry out freezing or heating work.The concentration of the refrigerant agent that enclosure interior is revealed can be reduced by above-mentioned setting, avoid blasting, reduce the potential safety hazard of air-conditioning.
On the basis of technique scheme, this control method also comprises step after startup off-premises station:
S3: in off-premises station running, light current air exhausting device 1 runs the second Preset Time, and then stop the 3rd Preset Time, rerun the second Preset Time, then stop the 3rd Preset Time, and so circulate.
Can ensure in air-conditioning normal course of operation by above-mentioned setting, light current air exhausting device 1 interval be run, with this, refrigerant revealed in operation of air conditioner process is discharged, improve security further.
Particularly, according to the working time of how many selection light current motor exhausts 1 of air conditioner refrigerating amount or perfusion refrigerant agent.Preferably, the running time of light current motor exhaust i.e. the first Preset Time and the second Preset Time all can be set to 30 seconds-3 minutes.Concrete setting a: machine, can set air draft 30 seconds, and one and half types can set air draft 1 minute, by that analogy.3rd Preset Time can be selected according to the speed revealed, preferably, 28 minutes can be set as.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an off-premises station for air-conditioning, comprises the housing that inside is provided with compressor, it is characterized in that, the housing near described compressor side is provided with and is communicated with air exhaust passage (2) that is extraneous and described enclosure interior;
Described air exhaust passage (2) place is provided with light current air exhausting device.
2. off-premises station according to claim 1, is characterized in that, described light current air exhausting device comprises:
Be arranged on described air exhaust passage (2) place, with the ventilating fan of being discharged by the refrigerant agent of described enclosure interior;
Drive the motor exhaust (1) of described ventilating fan;
For the light current power supply that described motor exhaust (1) is powered.
3. off-premises station according to claim 2, is characterized in that, also comprises and is connected between power supply grid and described motor exhaust (1), for the supply voltage of electrical network being changed into the transformer of the described light current power supply being not more than 12 volts.
4. off-premises station according to claim 2, is characterized in that, described light current air exhausting device also comprises:
For controlling the control circuit board of described light current motor exhaust (1) start and stop, and described control circuit board is provided with the time relay for controlling described light current motor exhaust (1) running time.
5. the off-premises station according to any one of claim 1-4, is characterized in that, described air exhaust passage is provided with screen pack in (2).
6. off-premises station according to claim 5, is characterized in that, the port of export of described air exhaust passage (2) is provided with fly net.
7. off-premises station according to claim 5, is characterized in that, the cross-sectional area of the port of export of described air exhaust passage (2) is greater than the cross-sectional area of the entrance point of described air exhaust passage (2).
8. an air-conditioning, comprises off-premises station, it is characterized in that, described off-premises station is the off-premises station described in any one of the claims 1-7.
9., as a control method for above-mentioned air-conditioning according to claim 8, it is characterized in that, comprise the following steps:
Before described off-premises station starts, start described light current air exhausting device (1) and run the first Preset Time;
Start described off-premises station.
10. the control method of air-conditioning according to claim 9, is characterized in that, also comprises step after starting described off-premises station:
In described off-premises station running, described light current air exhausting device (1) runs the second Preset Time, and stop the 3rd Preset Time, rerun described second Preset Time, then stop described 3rd Preset Time, so circulates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062009.5A CN104864514A (en) | 2014-02-24 | 2014-02-24 | Air conditioner, outdoor unit of air conditioner as well as control method of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062009.5A CN104864514A (en) | 2014-02-24 | 2014-02-24 | Air conditioner, outdoor unit of air conditioner as well as control method of air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN104864514A true CN104864514A (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410062009.5A Pending CN104864514A (en) | 2014-02-24 | 2014-02-24 | Air conditioner, outdoor unit of air conditioner as well as control method of air conditioner |
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| CN (1) | CN104864514A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442880A (en) * | 2016-09-12 | 2017-02-22 | 河北地质大学 | Health pre-warning device based on cloud computing |
| WO2023232506A1 (en) * | 2022-05-30 | 2023-12-07 | Bdr Thermea Group B.V. | An air duct for a heat pump system |
| EP4350230A1 (en) * | 2022-10-04 | 2024-04-10 | BDR Thermea Group B.V. | An air duct for a heat pump system |
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| CN103392102A (en) * | 2011-09-14 | 2013-11-13 | 松下电器产业株式会社 | Air conditioner |
| CN203718970U (en) * | 2014-02-24 | 2014-07-16 | 珠海格力电器股份有限公司 | Air conditioner and outdoor unit thereof |
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2014
- 2014-02-24 CN CN201410062009.5A patent/CN104864514A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009210208A (en) * | 2008-03-05 | 2009-09-17 | Mitsubishi Electric Corp | Outdoor unit, air conditioner using the outdoor unit, and heat pump water heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442880A (en) * | 2016-09-12 | 2017-02-22 | 河北地质大学 | Health pre-warning device based on cloud computing |
| WO2023232506A1 (en) * | 2022-05-30 | 2023-12-07 | Bdr Thermea Group B.V. | An air duct for a heat pump system |
| EP4350230A1 (en) * | 2022-10-04 | 2024-04-10 | BDR Thermea Group B.V. | An air duct for a heat pump system |
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Application publication date: 20150826 |
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| RJ01 | Rejection of invention patent application after publication |