CN209310141U - Air-conditioner outdoor unit and air conditioner - Google Patents
Air-conditioner outdoor unit and air conditioner Download PDFInfo
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- CN209310141U CN209310141U CN201822242743.6U CN201822242743U CN209310141U CN 209310141 U CN209310141 U CN 209310141U CN 201822242743 U CN201822242743 U CN 201822242743U CN 209310141 U CN209310141 U CN 209310141U
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- heating member
- outdoor unit
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Abstract
Air-conditioner outdoor unit and air conditioner provided by the utility model, are related to air-conditioning technical field.The air-conditioner outdoor unit includes shell, controller, compressor and heating member, shell surrounds installation space, controller and compressor are all set in installation space, controller and compression mechatronics, shell has chassis, heating member is electrically connected with the controller, and controller is used to control the working condition of heating member；Compressor is set to the inside on chassis, and heating member is set to chassis outside corresponding with compressor position；And/or rhone is provided on the inside of chassis, heating member is set to chassis outside corresponding with draining groove location.The air conditioner includes air conditioner indoor unit and above-mentioned air-conditioner outdoor unit, and air conditioner indoor unit is electrically connected with the controller.Air-conditioner outdoor unit and air conditioner provided by the utility model can guarantee that condenser water energy in defrost is successfully discharged along chassis, and have the characteristics that maintenance is simple, convenient and at low cost.
Description
Technical field
The utility model relates to air-conditioning technical fields, in particular to air-conditioner outdoor unit and air conditioner.
Background technique
Air-conditioning condenser meeting frosting after a period of work at low ambient temperatures, to guarantee that heating performance needs defrost.?
During defrost, the frost on condenser can be melted into water and flow into chassis, and under cold environment, the water on chassis understands flash freeze,
It cannot be smoothly discharged.
Utility model content
The utility model solves the problems, such as it is that water flash freeze of condenser during defrost on chassis is unfavorable for being discharged.
To solve the above problems, the utility model provides a kind of air-conditioner outdoor unit, condenser can be guaranteed in defrost
Water energy is successfully discharged along chassis, and has the characteristics that maintenance is simple, convenient and at low cost.
A kind of air-conditioner outdoor unit, including shell, controller, compressor and heating member, the shell surround installation space, institute
It states controller and the compressor is mounted in the installation space, the controller and the compression mechatronics are described
Shell has chassis, and the heating member is electrically connected with the controller, and the controller is used to control the work of the heating member
State；The compressor is set to the inside on the chassis, and the heating member is set to the chassis and the compressor position
Corresponding outside；And/or rhone is provided on the inside of the chassis, the heating member is set to the chassis and the row
The corresponding outside of sink area.
Air-conditioner outdoor unit provided by the utility model the utility model has the advantages that
Shell is the shell of air-conditioner outdoor unit, and shell surrounds installation space, so that the components such as controller and compressor are installed
In in installation space.Controller and compression mechatronics, controller are used to control the working condition of compressor.Chassis is located at installation
The inside of the bottom in space, chassis is located in installation space, and the outside on chassis is located at outside installation space.Heating member is set to chassis
Outside, heating member for be powered heat and transfer heat to chassis.Heat when thering is flowing water to pass through on chassis, on chassis
Water freezing can be prevented, and then guarantees the flowing of water and is discharged from chassis.Further, heating member is arranged corresponding with compressor
Chassis on the outside of, or on when chassis is provided with rhone, being provided on the outside of the corresponding chassis of rhone, heating member energy
It is enough effectively to place the flowing and discharge to freeze to guarantee water on chassis.Meanwhile heating member is set to the outside on chassis, also can
Convenient for later maintenance.In addition, cost is relatively low for heating member, the cost of existing air-conditioner outdoor unit can not increased substantially.This is practical
The air-conditioner outdoor unit of novel offer can guarantee that condenser water energy in defrost is successfully discharged along chassis, and have maintenance letter
Single, convenient and feature at low cost.
Further, the heating member is multiple, and multiple heating members are arranged along the rhone spaced reciprocally.
Further, adhesive layer is provided between the heating member and the chassis, the heating member passes through the bonding
Layer is adhered on the chassis.
Further, the air-conditioner outdoor unit further includes heat preservation member, and the heat preservation member is set to the heating member and is used for
Block the heating member.
Further, the heating member is semiconductor chip, and the semiconductor chip has heating side and refrigeration side, the heating
Side fits on the chassis.
Further, the air-conditioner outdoor unit further includes heat preservation member, and the heat preservation member is set to the semiconductor chip and is used in combination
In the periphery for blocking the heating side.
Further, the air-conditioner outdoor unit further includes pilot, and the heating member passes through the pilot and institute
State controller electrical connection.
Further, the chassis is provided with cable hole, and one end of the pilot is connect with the heating member, described
The other end of pilot passes through the cable hole and connect with the controller.
Further, the chassis is additionally provided with the cabling channel being connected to the cable hole, and the pilot is described in
Cabling channel arrangement.
Further, the air-conditioner outdoor unit further includes fixing piece, and the pilot is fixed on by the fixing piece
On the chassis and/or on the side wall of the shell.
Further, the pilot and the controller are detachably connected.
Further, the air-conditioner outdoor unit further includes temperature sensor, the temperature sensor and controller electricity
Connection, the temperature sensor is for detecting outdoor temperature, so that the controller adds according to outdoor temperature control is described
Warmware is opened.
A kind of air conditioner, including air conditioner indoor unit and air-conditioner outdoor unit, air-conditioner outdoor unit, including shell, controller, compression
Machine and heating member, the shell surround installation space, and the controller and the compressor are mounted in the installation space,
The shell has chassis, and the heating member is set on the outside of the chassis and is electrically connected with the controller, the controller
For controlling the working condition of the heating member, the air conditioner indoor unit is electrically connected with the controller.
Air conditioner provided by the utility model the utility model has the advantages that
The air conditioner indoor unit of air conditioner is set to interior, and air-conditioner outdoor unit is set to outdoor.Wherein, the shell of air-conditioner outdoor unit
Body surrounds installation space, so that the components such as controller and compressor are installed in installation space.Controller and compression mechatronics,
Controller is used to control the working condition of compressor.Chassis is located at the bottom of installation space, and the inside on chassis is located at installation space
Interior, the outside on chassis is located at outside installation space.Heating member is set to the outside on chassis, and heating member is for the heating and by heat of being powered
It is transferred to chassis.When having flowing water to pass through on chassis, the heat on chassis can prevent water freezing, so guarantee water flowing and
It is discharged from chassis.Further, heating member is arranged on the outside of chassis corresponding with compressor, or chassis is being provided with draining
When slot, it is provided on the outside of the corresponding chassis of rhone, to further increase the heating effect of heating member, guarantees water on chassis
Flowing and discharge.Meanwhile heating member is set to the outside on chassis, can also be convenient for later maintenance.In addition, the cost of heating member
It is lower, the cost of existing air conditioner can not increased substantially.Air conditioner provided by the utility model can guarantee that condenser is being changed
Water energy is successfully discharged along chassis when white, and has the characteristics that maintenance is simple, convenient and at low cost.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the air-conditioner outdoor unit under the first visual angle described in the utility model specific embodiment.
Fig. 2 is structural schematic diagram of the air-conditioner outdoor unit under the second visual angle described in the utility model specific embodiment.
Fig. 3 is that the rhone of the setting of air-conditioner outdoor unit described in the utility model specific embodiment and the structure of adhesive layer are shown
It is intended to.
Fig. 4 is the structural schematic diagram of the heat preservation member of the setting of air-conditioner outdoor unit described in the utility model specific embodiment.
Fig. 5 is the structural schematic diagram of the cable hole of the setting of air-conditioner outdoor unit described in the utility model specific embodiment.
Fig. 6 is that the cable hole of the setting of air-conditioner outdoor unit described in the utility model specific embodiment and the structure of cabling channel are shown
It is intended to.
Fig. 7 is the structural schematic diagram of the fixing piece of the setting of air-conditioner outdoor unit described in the utility model specific embodiment.
Fig. 8 is the connection block diagram of the temperature sensor of the setting of air-conditioner outdoor unit described in the utility model specific embodiment.
Icon: 100- air-conditioner outdoor unit；110- shell；112- installation space；The chassis 114-；1141- rhone；1142-
Cable hole；1143- cabling channel；120- controller；130- compressor；140- heating member；141- heats side；142- refrigeration side；
150- adhesive layer；160- heat preservation member；170- pilot；180- fixing piece；190- temperature sensor.
Specific embodiment
It is understandable to enable the above objects, features, and advantages of the utility model to become apparent, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.
Fig. 1 and Fig. 2 is respectively structural schematic diagram of the air-conditioner outdoor unit 100 provided in this embodiment under different perspectives；Please
In conjunction with refering to fig. 1 and Fig. 2, a kind of air-conditioner outdoor unit 100 is present embodiments provided.Air-conditioner outdoor unit 100 provided in this embodiment
It can guarantee that condenser water energy in defrost is successfully discharged along chassis 114, and have and safeguard simple, convenient and spy at low cost
Point.
It should be noted that air conditioner condenser meeting frosting after a period of work at low ambient temperatures, to guarantee heating
Performance is needed to condenser defrost.In condenser defrost, the frost on condenser can be melted into water and flow into chassis 114 and by chassis
114 discharges.Under cold environment, the water meeting flash freeze on chassis 114 is flowed into, causes water flow blocking that cannot be smoothly discharged.And
Air-conditioner outdoor unit 100 provided in this embodiment can effectively prevent or avoid water to freeze on chassis 114, to guarantee condenser
In defrost, water energy is successfully discharged along chassis 114.
Air-conditioner outdoor unit 100 provided in this embodiment includes shell 110, controller 120, compressor 130 and heating member
140, shell 110 surrounds installation space 112, and controller 120 and compressor 130 are all set in installation space 112, controller
120 are electrically connected with compressor 130, and shell 110 has chassis 114, and heating member 140 is set to 114 outside of chassis and and controller
120 electrical connections, controller 120 are used to control the working condition of heating member 140.
It is understood that above-mentioned shell 110 is the shell of air-conditioner outdoor unit 100, shell 110 surrounds installation space 112,
So that the components such as controller 120 and compressor 130 can be set in installation space 112.130 electricity of controller 120 and compressor
Connection, controller 120 are used to control the working condition of compressor 130.The chassis 114 of shell 110 is located at the bottom of installation space 112
The inside in portion, chassis 114 is located in installation space 112, and the outside on chassis 114 is located at outside installation space 112.Heating member 140 is set
It is placed in the outside on chassis 114, heating member 140 heats for energization and transfers heat to chassis 114.When having stream on chassis 114
When water passes through, the heat on chassis 114 can prevent water freezing, and then guarantee the flowing of water and be discharged from chassis 114.Meanwhile
Heating member 140 is set to the outside on chassis 114, can also be convenient for later maintenance.In addition, cost is relatively low for heating member 140, it can
Substantially the manufacturing cost of existing air-conditioner outdoor unit 100 is not increased.Air-conditioner outdoor unit 100 provided in this embodiment can guarantee to condense
Device water energy in defrost is successfully discharged along chassis 114, and has the characteristics that maintenance is simple, convenient and at low cost.
It should be noted that air-conditioner outdoor unit 100 provided in this embodiment is when in use: when condenser needs defrost,
Controller 120 controls heating member 140 and opens and heat.140 temperature of heating member transfers heat to chassis 114 while raising,
The temperature on chassis 114 is increased, and chassis 114 can be made to maintain the temperature of a certain setting.When water flow is by chassis 114,
Since chassis 114 has the temperature of the setting, water flow will not freeze, suitable after being flow on domain with the defrosting water guaranteed on condenser
Benefit discharge.After condenser defrost, controller 120 controls heating member 140 and stops working.
Simultaneously, it is also desirable to which explanation, the working condition that controller 120 controls heating member 140 may include control heating
Part 140 is turned on or off, and also can control heats power when heating member 140 is opened, such as the electric current of control heating member 140
Size etc..
In addition it is also necessary to explanation, heating member 140 be set to chassis 114 mode can there are many, such as heating member
140 are connected on chassis 114 by melt viscosity, and heating member 140 is connected on chassis 114 by buckle structure or heating member
140 are installed on chassis 114 etc. by screw.
In the present embodiment, adhesive layer 150 is provided between heating member 140 and chassis 114, heating member 140 passes through bonding
Layer 150 is adhered on chassis 114.
It is understood that in the present embodiment, adhesive layer 150 can have the bonding of binding function for hot melt adhesive etc.
Agent.When heating member 140 to be adhered on chassis 114, can be smeared on heating member 140 or chassis 114 a certain amount of viscous
Mixture, then heating member 140 is be bonded with chassis 114.
Moreover, it is to be understood that heating member 140 is used to heat and transfer heat to chassis 114 when being powered, with
Prevent water flow from freezing, heating member 140 can be the structures such as heat tape, heating tube or semiconductor chip.
It is also desirable to explanation, heating member 140 can be to be multiple, with the different zones to chassis 114 in setting
Heating and the efficiency for improving heating.Optionally, the quantity of heating member 140 can be 2-10.Certainly, the quantity of heating member 140
It can also be arranged according to actual needs.
Optionally, in the present embodiment, compressor 130 is set to the inside of chassis 114, and chassis 114 with compressor 130
The corresponding outside in position is provided with heating member 140, i.e. heating member 140 is opposite with the position of compressor 130.
Referring to Fig. 3, the inside on chassis 114 is provided with rhone 1141, chassis 114 is corresponding with 1141 position of rhone
Outside be provided with heating member 140, i.e. the position of heating member 140 is opposite with the position of rhone 1141.
It should be noted that heating member 140 is opposite with the position of compressor 130 to refer to heating member 140 and compressor 130
It is located on the two sides on chassis 114, and at least there is the region that partially overlaps on chassis 114.Equally, heating member 140 with
The position of rhone 1141 is opposite to refer to that heating member 140 and rhone 1141 are located on the two sides on chassis 114, and
At least there is the region that partially overlaps on chassis 114.
Simultaneously, it is also desirable to which explanation, when heating member 140 is multiple, certain in multiple heating members 140 can be with pressure
The position of contracting machine 130 is opposite, and heating member 140 in addition can be opposite with the position of rhone 1141.
Optionally, when heating member 140 is multiple, multiple heating members 140 can be set spaced reciprocally along rhone 1141
It sets.
Optionally, air-conditioner outdoor unit 100 can also include heat preservation member 160, and heat preservation member 160 is set to heating member 140 and is used in combination
In blocking heating member 140, to be kept the temperature when heating member 140 is heated to heating member 140 and prevent heat loss.
It should be noted that heat preservation member 160 can be made of thermal insulation material, such as mineral wool, sponge etc..Heat preservation member 160
The mode for being set to heating member 140 can be bonding, i.e., fit in heat preservation member 160 on heating member 140 by bonding agent.
Referring to Fig. 4, referring in the above description: heating member 140 can be semiconductor chip.Semiconductor chip has heating side
141 and refrigeration side 142, when heating member 140 be semiconductor chip when, the heating side 141 of semiconductor chip fits on chassis 114.Into
One step, in the implementation that air-conditioner outdoor unit 100 includes heat preservation member 160, heat preservation member 160 is set on semiconductor chip and is used in combination
In blocking heating side 141, to prevent the heat loss of heating side 141.
Please continue to refer to Fig. 1, in the present embodiment, air-conditioner outdoor unit 100 further includes pilot 170, and heating member 140 is logical
Pilot 170 is crossed to be electrically connected with controller 120.
Referring to Fig. 5, optionally, chassis 114 is provided with cable hole 1142, one end of pilot 170 and heating member 140
Connection, the other end of pilot 170 pass through cable hole 1142 and connect with controller 120.
It should be noted that one end of pilot 170 can also be passed through by the drainage hole being arranged on chassis 114, and
It is electrically connected with controller 120.It is arranged in the implementation of cable hole 1142 on chassis 114, pilot 170 is from cable hole
1142 pass through can for chassis 114 retain drainage hole, and then guarantee effectively draining.
Referring to Fig. 6, further, chassis 114 is additionally provided with the cabling channel 1143 being connected to cable hole 1142, and control is led
Line 170 is arranged along cabling channel 1143.
It is understood that cabling channel 1143 is used to arrange pilot 170, and 170 cabling of pilot can be convenient for,
It is easily assembled air-conditioner outdoor unit 100.
Referring to Fig. 7, further, air-conditioner outdoor unit 100 further includes fixing piece 180, pilot 170 passes through fixing piece
180 are fixed on chassis 114 and/or on the side wall of shell 110.
It should be noted that fixing piece 180 is for fixing pilot 170.Fixing piece 180 can be set in chassis 114
On, or be set on the side wall of shell 110；When fixing piece 180 is multiple, multiple fixing pieces 180 can be separately positioned on
On the side wall of chassis 114 and shell 110.In addition, fixing piece 180 can be the structures such as band, Line pressing buckle.It is solid shown in Fig. 7
Determine that part 180 is arranged on chassis 114 and fixing piece 180 is the structure type of Line pressing buckle.
In addition, cabling channel 1143 can also be set on chassis 114 in the implementation for being provided with fixing piece 180, or
Corresponding accommodation groove is arranged in person on the side wall of shell 110, and is routed by cooperating with fixing piece 180.
Optionally, pilot 170 and controller 120 are detachably connected.That is pilot 170 and controller 120
Electrical connection is realized by detachable connection method between the two, when pilot 170 is connect with controller 120, control
Conducting wire 170 processed is electrically connected with controller 120.
It is understood that pilot 170 and controller 120 it is detachably connected can convenient for pilot 170 with
The maintenance of air-conditioner outdoor unit 100 is further convenient in the dismounting of controller 120.
Referring to Fig. 8, optionally, air-conditioner outdoor unit 100 further includes temperature sensor 190, temperature sensor 190 and control
Device 120 is electrically connected, and temperature sensor 190 is for detecting outdoor temperature, so that controller 120 controls heating member according to outdoor temperature
140 open.Such as outdoor temperature small Mr. Yu setting temperature when, controller 120 controls heating member 140 and opens, to prevent from changing
Chassis 114 freezes when white.The temperature of the setting can be 0 degree Celsius etc..
Air-conditioner outdoor unit 100 provided in this embodiment the utility model has the advantages that shell 110 surrounds installation space 112 so that control
The components such as device 120 and compressor 130 are installed in installation space 112.Heating member 140 is set to the outside on chassis 114, heating member
140 heat for energization and transfer heat to chassis 114.Heat when thering is flowing water to pass through on chassis 114, on chassis 114
Water freezing can be prevented, and then guarantees the flowing of water and is discharged from chassis 114.Also, by heating member be provided in compressor or
On the corresponding position of person's rhone, the heating effect of heating member can be further increased and guarantee smoothly draining.Meanwhile heating member
140 are set to the outside on chassis 114, can also be convenient for later maintenance.In addition, cost is relatively low for heating member 140, it can substantially not
Increase the manufacturing cost of existing air-conditioner outdoor unit 100.Air-conditioner outdoor unit 100 provided in this embodiment is when in use: working as condenser
When needing defrost, controller 120 controls heating member 140 and opens and heat.By heat transfer while 140 temperature of heating member increases
To chassis 114, the temperature on chassis 114 is increased, and chassis 114 can be made to maintain the temperature of a certain setting.When water flow is passed through
When chassis 114, since chassis 114 has the temperature of the setting, water flow will not freeze, be flow to the defrosting water guaranteed on condenser
It is smoothly discharged after on domain.After condenser defrost, controller 120 controls heating member 140 and stops working.The present embodiment mentions
The air-conditioner outdoor unit 100 of confession can guarantee that condenser water energy in defrost is successfully discharged along chassis 114, and have maintenance letter
Single, convenient and feature at low cost.
The present embodiment additionally provides a kind of air conditioner (not shown) comprising air conditioner indoor unit (not shown) and above-mentioned sky
Outdoor unit 100 is adjusted, air conditioner indoor unit is electrically connected with controller 120.
It should be noted that above-mentioned air conditioner has above-mentioned air-conditioner outdoor unit 100, at least have and above-mentioned air-conditioner outdoor unit
100 similar beneficial effects.It can guarantee that condenser water energy in defrost is successfully discharged along chassis 114, and there is maintenance
Simply, convenient and feature at low cost.
Although the utility model discloses as above, the utility model is not limited to this.Anyone skilled in the art,
It does not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the protection scope of the utility model
It should be defined by the scope defined by the claims..
Claims (10)
1. a kind of air-conditioner outdoor unit, which is characterized in that including shell (110), controller (120), compressor (130) and heating member
(140), the shell (110) surrounds installation space (112), and the controller (120) and the compressor (130) are all set in
In the installation space (112), the controller (120) is electrically connected with the compressor (130), and the shell (110) has
Chassis (114), the heating member (140) are electrically connected with the controller (120), and the controller (120) is described for controlling
The working condition of heating member (140)；The compressor (130) is set to the inside of the chassis (114), the heating member
(140) it is set to the chassis (114) outside corresponding with the compressor (130) position；And/or the chassis (114)
Inside is provided with rhone (1141), and the heating member (140) is set to the chassis (114) and the rhone (1141) position
Set corresponding outside.
2. air-conditioner outdoor unit according to claim 1, which is characterized in that the heating member (140) be it is multiple, it is multiple described
Heating member (140) is arranged along the rhone (1141) spaced reciprocally.
3. according to claim 1 or air-conditioner outdoor unit described in 2, which is characterized in that the heating member (140) and the chassis
(114) it is provided between adhesive layer (150), the heating member (140) is adhered to the chassis by the adhesive layer (150)
(114) on.
4. according to claim 1 or air-conditioner outdoor unit described in 2, which is characterized in that the air-conditioner outdoor unit (100) further includes
Heat preservation member (160), the heat preservation member (160) are set to the heating member (140) and for blocking the heating member (140).
5. according to claim 1 or air-conditioner outdoor unit described in 2, which is characterized in that the heating member (140) is semiconductor
Piece, the semiconductor chip have heating side (141) and refrigeration side (142), and the heating side (141) fits in the chassis
(114) on.
6. air-conditioner outdoor unit according to claim 5, which is characterized in that the air-conditioner outdoor unit (100) further includes heat preservation
Part (160), the heat preservation member (160) are set to the semiconductor chip and the periphery for blocking heating side (141).
7. according to claim 1 or air-conditioner outdoor unit described in 2, which is characterized in that the chassis (114) is provided with cable hole
(1142), the cable hole (1142) for pilot (170) for passing through, and the pilot (170) is for being electrically connected institute
State heating member (140) and the controller (120).
8. air-conditioner outdoor unit according to claim 7, which is characterized in that the chassis (114) be additionally provided with it is described walk
The cabling channel (1143) of string holes (1142) connection, the pilot (170) are arranged along the cabling channel (1143).
9. air-conditioner outdoor unit according to claim 7, which is characterized in that the air-conditioner outdoor unit (100) further includes fixing
Part (180), the pilot (170) is fixed on the chassis (114) by the fixing piece (180) and/or the shell
On the side wall of body (110).
10. a kind of air conditioner, which is characterized in that the sky including air conditioner indoor unit and as described in any one of claim 1-9
It adjusts outdoor unit (100), the air conditioner indoor unit is electrically connected with the controller (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242743.6U CN209310141U (en) | 2018-12-28 | 2018-12-28 | Air-conditioner outdoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242743.6U CN209310141U (en) | 2018-12-28 | 2018-12-28 | Air-conditioner outdoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209310141U true CN209310141U (en) | 2019-08-27 |
Family
ID=67679736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822242743.6U Active CN209310141U (en) | 2018-12-28 | 2018-12-28 | Air-conditioner outdoor unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209310141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460787A (en) * | 2020-11-23 | 2021-03-09 | 珠海格力电器股份有限公司 | Chassis component and air conditioner |
-
2018
- 2018-12-28 CN CN201822242743.6U patent/CN209310141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460787A (en) * | 2020-11-23 | 2021-03-09 | 珠海格力电器股份有限公司 | Chassis component and air conditioner |
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