CN109945328A - A kind of convertible frequency air-conditioner unit - Google Patents
A kind of convertible frequency air-conditioner unit Download PDFInfo
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- CN109945328A CN109945328A CN201910147249.8A CN201910147249A CN109945328A CN 109945328 A CN109945328 A CN 109945328A CN 201910147249 A CN201910147249 A CN 201910147249A CN 109945328 A CN109945328 A CN 109945328A
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- weather shield
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Abstract
The present invention relates to a kind of convertible frequency air-conditioner units, belong to laboratory temperature adjustment equipment technical field, body including outdoor machine of air-conditioner, compressor is placed in body, exhaust outlet is offered on body, position envelope on the outer wall of body and where being located at exhaust outlet is equipped with dirt filtrating screen, top on the outer wall of body in exhaust outlet is hingedly provided with weather shield, it is provided on body for weather shield to be fixed to fixed mechanism at any angle, when in use, weather shield can carry out part blocking to rainwater, prevent part rainwater from entering in body by exhaust outlet, to prevent electric elements by raindrop erosion, weather shield is hinged on body, when rainwater is larger, the angle of weather shield is adjusted by fixed mechanism, so that weather shield can further stop the rainwater to be landed by inclined direction, the rainwater for preventing inclination from landing is entered to by exhaust outlet In body.
Description
Technical field
The present invention relates to laboratory temperature adjustment equipment technical fields, more particularly, to a kind of convertible frequency air-conditioner unit.
Background technique
Convertible frequency air-conditioner is that a frequency converter is increased in the structure of conventional air-conditioning.Compressor is the heart of air-conditioning, turn
Speed directly influences the service efficiency of air-conditioning, and frequency converter is exactly the control system for controlling and adjusting compressor rotary speed, is allowed to
Always optimal rotary regimes are in, to improve Energy Efficiency Ratio (than conventional air conditioner energy saving at least 30%).And compressor of air conditioner is logical
Often it is mounted in outdoor machine of air-conditioner.
The Chinese patent that application publication number is CN108361863A discloses a kind of air-conditioner outdoor unit, interior to be equipped with press and wind
It fans, including top plate, side plate, foreboard and bottom plate, is arranged at intervals with a plurality of upward rib on the top plate；The top plate
Side be formed with rake, the bottom of the rake, which is connected with, can be overlapped on the side plate and/or the foreboard
Flanging part, the bottom infolding of the flanging part forms crimping；The top infolding of the foreboard, which is formed with, can overlap the crimping
The boss in portion, the boss are connected with the first flange, and first flange is arranged corresponding to the flanging part.But it is insufficient
Place is, when rainy, rainwater can be entered in outdoor machine of air-conditioner by the exhaust outlet on outdoor machine of air-conditioner, so that in outdoor unit
Solenoid valve, compressor, automatically controlled device are for a long time by raindrop erosion, to cause to fail, entire unit are caused to be unable to operate normally.
Summary of the invention
It prevents rainwater from entering in outdoor machine of air-conditioner the object of the present invention is to provide a kind of and electric elements can be prevented impaired
External convertible frequency air conditioner.
Foregoing invention purpose of the invention has the technical scheme that
A kind of convertible frequency air-conditioner unit, including sequentially connected compressor, condenser, expansion valve and evaporator, the compressor with
Evaporator is connected, and fluid reservoir is equipped between the condenser and expansion valve, is also successively connected between the fluid reservoir and expansion valve
It is connected to device for drying and filtering, fluid path solenoid valve, further includes the body of outdoor machine of air-conditioner, the compressor is placed in body, the body
On offer exhaust outlet, the position envelope on the outer wall of the body and where being located at exhaust outlet is equipped with dirt filtrating screen, the body
Top on outer wall in exhaust outlet is hingedly provided with weather shield, is provided on the body for weather shield to be fixed to random angle
The fixed mechanism of degree.
By using above-mentioned technical proposal, when in use, weather shield can carry out part blocking to rainwater, prevent part rainwater
It is entered in body by exhaust outlet, to prevent electric elements by raindrop erosion, weather shield is hinged on body, works as rainwater
When larger, by fixed mechanism adjust weather shield angle so that weather shield the rainwater to be landed by inclined direction can be carried out into
One step stops, and the rainwater for preventing inclination from landing is entered in body by exhaust outlet, to further improve weather shield to rain
The blocking effect of water further prevents rainwater to corrode the intracorporal electric elements of machine, when rainwater is smaller, weather shield is adjusted to
Horizontality prevents weather shield from impacting to the heat dissipation of body.
The present invention is further arranged to: the weather shield is towards on the face of body and being located at the two sides of weather shield and be provided with the
One sliding slot, length direction of the first sliding groove along weather shield both sides of the edge are arranged, the two sides on the body and positioned at body
It is relatively set with second sliding slot with first sliding groove, the second sliding slot is provided on the body along the short transverse of body,
The fixed mechanism includes mobile bar, and the both ends of the mobile bar, which are respectively arranged with, is slidably connected to first sliding groove and second sliding slot
Interior the first sliding block and the second sliding block, first sliding block are hinged to the end of mobile bar, and setting is useful in the second sliding slot
In the second sliding block of driving in the actuator moved in second sliding slot.
By using above-mentioned technical proposal, outdoor machine of air-conditioner be usually placed in it is outdoor cause more difficult work to the position of weather shield into
Row adjustment drives the second sliding block in moving in second sliding slot, so that mobile bar drives the first sliding block sliding in first by actuator
It is moved in slot, because the length of mobile bar is constant, will drive weather shield when mobile bar is mobile and rotated in hinge joint, thus to keeping off the rain
The angle of plate is adjusted, and using the setting of first sliding groove and second sliding slot, can be played to the movement of mobile bar along the vertical direction
The effect of guiding prevents the both ends height of mobile bar different, improves mobile bar to the regulating effect of weather shield.
The present invention is further arranged to: the actuator includes that be rotationally connected with second sliding along the length direction of second sliding slot
Thread lead screw in slot, second sliding block are threadedly connected in thread lead screw, on the body and are located at two sides second sliding slot
End be fixedly installed for drive thread lead screw rotate motor.
Pass through driving electricity when needing to drive the second sliding block when moving in second sliding slot by using above-mentioned technical proposal
Machine drives thread lead screw rotation, because the second sliding block in second sliding slot in moving, so that the second sliding block will not be with thread lead screw
Rotation and rotate so that the second sliding block is in thread lead screw in moving, so that the second sliding block drive mobile bar is in vertical direction
It is mobile, so that the angle to weather shield adjusts, it may make the second sliding block to be moved in thread lead screw using the setting of thread lead screw
Any position is fixed automatically, is fixed automatically so that mobile bar is moved to arbitrary height, so that mobile bar fixes weather shield
To any angle.
The present invention is further arranged to: the weather shield is towards on the face of body and being located remotely from the position of body along vertical
Direction is provided with rain-proof cloth.
By using above-mentioned technical proposal, the setting of rain-proof cloth can further play the effect of blocking to the rainwater of landing,
To further prevent rainwater to enter in body by exhaust outlet, prevent rainwater from corroding electric elements.
The present invention is further arranged to: the position where rain-proof cloth being provided with link slot, the company on the weather shield
Access slot is integrally arc-shaped setting, and the recess of arc-shaped link slot is directed away from the direction setting of body, the rain-proof cloth
One side edge is provided with the connection strap being inserted into the link slot, and the connection strap is equipped with arc-shaped link slot,
The fixing piece for being fixed to connection strap in link slot is provided on the weather shield.
By using above-mentioned technical proposal, set arc-shaped for link slot, so that connection strap drive rain-proof cloth is integrally in
Arc-shaped, when rain-proof cloth is when stopping rainwater, the hot wind being discharged in body can be directed to by arc-shaped rain-proof cloth, be prevented
Rain-proof cloth impacts the air draft of body, so that rain-proof cloth can play the work dredged to the hot wind of discharge while keeping off the rain
With improving the using effect of rain-proof cloth；Rain-proof cloth is installed by fixing piece to link slot, facilitates to keep off the rain to be distributed in and keep off the rain
It is removed on plate and rain-proof cloth is cleared up.
The present invention is further arranged to: the fixing piece includes and the vertically disposed fixed plate of weather shield, the fixed plate
Length direction along link slot is arranged, and the length direction in the fixed plate along fixed plate is provided with multiple springs, the spring
End far from fixed plate is provided with connecting plate, is provided on the connecting plate perpendicular to connecting plate and is arranged in consolidating in link slot
Fixed pole offers the grooves that multiple ends for for each fixed link move on the connection strap.
By using above-mentioned technical proposal, when need to keep off the rain be distributed in removed on weather shield when, by fixed link in link slot
It is removed with the elastic force for resisting spring in groove, thus by connection strap in being taken out in link slot, when needing that connection strap is fixed to company
When in access slot, connection strap is installed to link slot, the elastic force that fixed link resists spring is arranged in link slot and the company of being moved to
In groove in narrow bars, by pulling fixed link to resist the mobile fixation and disassembly that can be completed to connection strap of elastic force of spring,
It is convenient and simple.
The present invention is further arranged to: being provided with guide rod in the position where each spring in the fixed plate, institute
The one end for stating guide rod is connected on connecting plate, and the other end wears and is slidably connected in fixed plate, and the spring pocket is set to institute
It states on guide rod.
By using above-mentioned technical proposal, the setting of guide rod can stretching to spring and compression play the role of guiding,
It prevents spring from generating inclination, to prevent spring from fixed link being driven to generate inclination, improves fixed link and the fixed of connection strap is imitated
Fruit.
The present invention is further arranged to: the adjacent guide rod and being located remotely from the company of being provided between the end of connecting plate
Extension bar.
By using above-mentioned technical proposal, when pulling connecting rod mobile, connecting rod can drive all guide rods mobile,
To drive multiple fixed links while movement simultaneously, further facilitates and connection strap is mounted and dismounted.
In conclusion advantageous effects of the invention are as follows:
1. rotated by motor driven thread lead screw, so that the second sliding block is in thread lead screw in moving, so that in mobile bar
The first sliding block in being moved in first sliding groove so that mobile bar drives weather shield to rotate in hinge joint while mobile, thus
The angle for adjusting weather shield prevents rainwater from entering to by exhaust outlet so that weather shield stops the rainwater of different angle
In body, the intracorporal circuit element of machine is caused to corrode；
2. connection strap is inserted into link slot, drives the elastic force of fixed link resistance spring to wear link slot and is moved in groove,
So that connection strap is fixed in link slot by fixed link, rain-proof cloth can play further blocking effect to rainwater at this time, and
It can play the role of dredging to the air draft of body, prevent rain-proof cloth from impacting to the air discharging and radiating of body.
Detailed description of the invention
Fig. 1 is system block diagram of the invention；
Fig. 2 is the structural schematic diagram of body of the invention；
Fig. 3 is the portion the A enlarged drawing in Fig. 2；
Fig. 4 is the structural schematic diagram of weather shield of the invention；
Fig. 5 is the portion the B enlarged drawing in Fig. 4；
Fig. 6 is the structural schematic diagram of weather shield of the invention；
Fig. 7 is the structural schematic diagram of rain-proof cloth of the invention.
In figure, 1, body；11, exhaust outlet；12, dirt filtrating screen；13, weather shield；131, first sliding groove；132, rain-proof cloth；
133, link slot；134, connection strap；135, groove；14, second sliding slot；141, thread lead screw；142, motor；15, mobile bar；
151, the first sliding block；152, the second sliding block；16, fixed plate；161, spring；162, connecting plate；163, fixed link；164, it is oriented to
Bar；165, connecting rod；2, compressor；3, condenser；4, expansion valve；5, evaporator；6, fluid reservoir；7, device for drying and filtering；8, liquid
Way solenoid valve.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to Fig.1, be a kind of convertible frequency air-conditioner unit disclosed by the invention, including sequentially connected compressor 2, condenser 3,
Expansion valve 4 and evaporator 5, compressor 2 are connected with evaporator 5, and fluid reservoir 6, liquid storage are equipped between condenser 3 and expansion valve 4
Also it is connected with device for drying and filtering 7, fluid path solenoid valve 8 between tank 6 and expansion valve 4 in turn.
As shown in Fig. 2, convertible frequency air-conditioner unit further includes the body 1 of outdoor machine of air-conditioner, compressor 2 is placed in body 1, body 1
On offer exhaust outlet 11, the position envelope on the outer wall of body 1 and where being located at exhaust outlet 11 is equipped with dirt filtrating screen 12, body 1
Weather shield 13 is hingedly provided in the top of exhaust outlet 11 on outer wall；When rainy, by adjusting weather shield 13 to any angle,
So that weather shield 13 plays preferable blocking effect to rainwater, prevent rainwater from entering in body 1 by exhaust outlet 11, under not
When rain, weather shield 13 is adjusted to horizontality, prevents weather shield 13 from impacting to the air discharging and radiating of body 1.
In conjunction with Fig. 2 and Fig. 4, in order to which weather shield 13 is fixed to any angle adjusted, so that weather shield 13 is to rainwater
Stopped, in weather shield 13 towards on the face of body 1 and being located at the two sides of weather shield 13 and be provided with first sliding groove 131, first
Length direction of the sliding slot 131 along 13 both sides of the edge of weather shield is arranged, the two sides and first sliding groove 131 on body 1 and positioned at body 1
Second sliding slot 14(is relatively set with referring to Fig. 3), second sliding slot 14 is provided on body 1 along the short transverse of body 1, and first
Mobile bar 15 is slidably connected in sliding slot 131 and second sliding slot 14, the both ends of mobile bar 15, which are respectively arranged with, is slidably connected to
The first sliding block 151 and the second sliding block 152(in one sliding slot 131 and second sliding slot 14 is referring to Fig. 3 and Fig. 5), the first sliding block 151 hinge
It is connected to the end of mobile bar 15.
By driving the second sliding block 152 to move in second sliding slot 14, so that the second sliding block 152 drives mobile bar 15 along perpendicular
Histogram is to movement, so that mobile bar 15 drives the first sliding block 151 to move in first sliding groove 131, because of the length of mobile bar 15
Spend it is constant so that mobile bar 15 drive weather shield 13 in hinge joint rotate, to adjust the angle of weather shield 13；In the present embodiment
In, the first sliding block 151 and the second sliding block 152 are along the length direction perpendicular to first sliding groove 131 and second sliding slot 14 in order to prevent
It is mobile, the cross section of first sliding groove 131 and second sliding slot 14 is disposed as it is "T"-shaped, by the first sliding block 151 and the second sliding block
152 are equipped with " T " shaped first sliding groove 131 and second sliding slot 14.
In conjunction with Fig. 2 and Fig. 3, in order to drive the second sliding block 152 to move in second sliding slot 14, to drive mobile bar 15 right
The angle of weather shield 13 adjusts, and the length direction in second sliding slot 14 along second sliding slot 14 is rotatably connected to thread lead screw 141,
Second sliding block 152 is threadedly connected in thread lead screw 141, and fixation is set on body 1 and positioned at the end of two sides second sliding slot 14
It is equipped with the motor 142 for driving thread lead screw 141 to rotate.
Thread lead screw 141 is driven to rotate by motor 142, because the second sliding block 152 is moved in second sliding slot 14, so that the
Two sliding blocks 152 will not be rotated with the rotation of thread lead screw 141, so that the second sliding block 152 is moved up in thread lead screw 141
It is dynamic, so that the second sliding block 152 is moved in second sliding slot 14, so that mobile bar 15 drives the first sliding block 151 sliding in first
It moves in slot 131, so that mobile bar 15 drives weather shield 13 to rotate in hinge joint, the angle of weather shield 13 is adjusted.
In conjunction with Fig. 1 and Fig. 4, in order to further stop to rainwater, prevent rainwater from entering to body 1 by exhaust outlet 11
It is interior, in weather shield 13 towards on the face of body 1 and being located remotely from the position of body 1 and be provided with rain-proof cloth 132 along the vertical direction.
In conjunction with Fig. 4 and Fig. 7, rain-proof cloth 132 impacts the air draft of body 1 in order to prevent, in gear on weather shield 13
Position where waterproof cloth 132 is provided with link slot 133, and link slot 133 is whole to be arc-shaped setting, arc-shaped link slot 133
Recess be directed away from the direction setting of body 1, the one side edge of rain-proof cloth 132 is provided with the company being inserted into link slot 133
Narrow bars 134, connection strap 134 are equipped with arc-shaped link slot 133.
Arc-shaped connection strap 134 can drive rain-proof cloth 132 to be integrally arc-shaped, so that in 1 air draft of body, row
Hot wind out can be dredged by arc-shaped rain-proof cloth 132, prevent rain-proof cloth 132 from impacting to the air discharging and radiating of body 1；
In the present embodiment, connection strap 134 is inserted into link slot 133 for convenience, sets the cross section of link slot 133 to
Connection strap 134 and the link slot 133 of " u "-shaped are equipped with by " u "-shaped.
In conjunction with Fig. 6 and Fig. 7, in order to take out connection strap 134 in link slot 133, to be carried out clearly to rain-proof cloth 132
Reason, is vertically installed with fixed plate 16, fixed plate 16 is set along the length direction of link slot 133 on weather shield 13 with weather shield 13
It sets, the length direction in fixed plate 16 along fixed plate 16 is provided with multiple springs 161, end of the spring 161 far from fixed plate 16
It is provided with connecting plate 162, is provided with the fixed link 163 being arranged in link slot 133 perpendicular to connecting plate 162 on connecting plate 162,
The groove 135 that multiple ends for for each fixed link 163 move into is offered on connection strap 134.
When needing for connection strap 134 to be fixed in link slot 133, fixed link 163 is resisted to the shifting of spring 161 first
It is dynamic, so that the drive connection strap 134 of rain-proof cloth 132 far from link slot 133, is inserted into link slot 133 by fixed link 163 at this time,
By unclamping fixed link 163, so that the elastic force that fixed link 163 resists spring 161 wears link slot 133 and is inserted into groove 135
It is interior, so that connection strap 134 is fixed in link slot 133 by fixed link 163, when needing connection strap 134 in link slot 133
When interior taking-up, fixed link 163 is removed in groove 135, by connection strap 134 in removal in link slot 133.
As shown in fig. 6, spring 161 generates inclination in stretching and compression in order to prevent, so that it is solid to prevent spring 161 from driving
Fixed pole 163 generates inclination, is provided with guide rod 164, guide rod in the position where each spring 161 in fixed plate 16
164 one end is connected on connecting plate 162, and the other end wears and is slidably connected in fixed plate 16, and spring 161 is sheathed on guiding
On bar 164.
As shown in fig. 6, in adjacent guide rod 164 and being located to drive all fixed links 163 while movement simultaneously
Connecting rod 165 is provided between end far from connecting plate 162.
The implementation principle of the present embodiment are as follows: when rainy, drive thread lead screw 141 to rotate by driving motor 142, because of the
Two sliding blocks 152 are moved in second sliding slot 14, so that the second sliding block 152 is moved in thread lead screw 141, mobile bar 15 drives the
One sliding block 151 is moved in first sliding groove 131, so that mobile bar 15 is adjusted the angle of weather shield 13, passes through tune
The angle of weather shield 13 is saved, so that weather shield 13 drives rain-proof cloth 132 to play the effect of blocking to rainwater simultaneously, prevents rainwater logical
It crosses exhaust outlet 11 to enter in body 1, to prevent rainwater from causing to corrode to the electric elements in body 1；When needs will connection
Item 134 drives rain-proof cloth 132 when removing on weather shield 13, pulls connecting rod 165 that fixed link 163 is made to resist spring 161
The direction that elastic force is directed away from link slot 133 is mobile, drives fixed link 163 to remove in groove 135, drives guide rod at this time
164 move in fixed plate 16, and connection strap 134 is taken out in link slot 133, so that convenient clear up rain-proof cloth 132, improve
The using effect of rain-proof cloth 132.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of convertible frequency air-conditioner unit, including sequentially connected compressor (2), condenser (3), expansion valve (4) and evaporator
(5), the compressor (2) is connected with evaporator (5), is equipped with fluid reservoir (6) between the condenser (3) and expansion valve (4),
Also it is connected with device for drying and filtering (7), fluid path solenoid valve (8) between the fluid reservoir (6) and expansion valve (4) in turn, feature exists
In: it further include the body (1) of outdoor machine of air-conditioner, the compressor (2) is placed in body (1), offers air draft on the body (1)
Mouthful (11), the position envelope on the outer wall of the body (1) and where being located at exhaust outlet (11) are equipped with dirt filtrating screen (12), the body
(1) it is hingedly provided with weather shield (13), is provided on the body (1) for that will keep off in the top of exhaust outlet (11) on outer wall
Rain plate (13) is fixed to fixed mechanism at any angle.
2. a kind of convertible frequency air-conditioner unit according to claim 1, it is characterised in that: the weather shield (13) is towards body
(1) it is provided with first sliding groove (131) on face and positioned at the two sides of weather shield (13), the first sliding groove (131) is along weather shield
(13) length direction of both sides of the edge is arranged, the two sides and first sliding groove (131) phase on the body (1) and positioned at body (1)
To being provided with second sliding slot (14), the second sliding slot (14) is provided with along the short transverse of body (1) in the body (1)
On, the fixed mechanism includes mobile bar (15), and the both ends of the mobile bar (15), which are respectively arranged with, is slidably connected to the first cunning
The first sliding block (151) and the second sliding block (152) in slot (131) and second sliding slot (14), first sliding block (151) are hinged to
The end of mobile bar (15), the second sliding slot (14) is interior to be provided with for driving the second sliding block (152) in second sliding slot (14)
The actuator of interior movement.
3. a kind of convertible frequency air-conditioner unit according to claim 2, it is characterised in that: the actuator includes along second sliding slot
(14) length direction is rotationally connected with the thread lead screw (141) in second sliding slot (14), and the second sliding block (152) screw thread connects
It is connected on thread lead screw (141), is fixedly installed on the body (1) and and is used for positioned at the end of two sides second sliding slot (14)
Drive the motor (142) of thread lead screw (141) rotation.
4. a kind of convertible frequency air-conditioner unit according to claim 1, it is characterised in that: the weather shield (13) is towards body
(1) it on face and is located remotely from the position of body (1) and is provided with rain-proof cloth (132) along the vertical direction.
5. a kind of convertible frequency air-conditioner unit according to claim 1, it is characterised in that: in rain-proof cloth on the weather shield (13)
(132) position where is provided with link slot (133), and the link slot (133) is integrally arc-shaped setting, arc-shaped connection
The recess of slot (133) is directed away from the direction setting of body (1), and the one side edge of the rain-proof cloth (132), which is provided with, to be inserted into
Connection strap (134) in the link slot (133), the connection strap (134) are equipped with arc-shaped link slot (133),
The fixing piece for being fixed to connection strap (134) in link slot (133) is provided on the weather shield (13).
6. a kind of convertible frequency air-conditioner unit according to claim 1, it is characterised in that: the fixing piece includes and weather shield
(13) vertically disposed fixed plate (16), the fixed plate (16) are arranged along the length direction of link slot (133), the fixed plate
(16) length direction on along fixed plate (16) is provided with multiple springs (161), and the spring (161) is far from fixed plate (16)
End is provided with connecting plate (162), is provided on the connecting plate (162) perpendicular to connecting plate (162) and is arranged in link slot
(133) fixed link (163) in offers multiple ends for for each fixed link (163) on the connection strap (134) and moves
The groove (135) entered.
7. a kind of convertible frequency air-conditioner unit according to claim 1, it is characterised in that: in each bullet on the fixed plate (16)
Position where spring (161) is provided with guide rod (164), and one end of the guide rod (164) is connected to connecting plate (162)
On, the other end wears and is slidably connected on fixed plate (16), and the spring (161) is sheathed on the guide rod (164).
8. a kind of convertible frequency air-conditioner unit according to claim 7, it is characterised in that: the adjacent guide rod (164) and
It is located remotely between the end of connecting plate (162) and is provided with connecting rod (165).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147249.8A CN109945328B (en) | 2019-02-27 | 2019-02-27 | Variable frequency air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147249.8A CN109945328B (en) | 2019-02-27 | 2019-02-27 | Variable frequency air conditioning unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109945328A true CN109945328A (en) | 2019-06-28 |
| CN109945328B CN109945328B (en) | 2021-03-30 |
Family
ID=67008075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910147249.8A Active CN109945328B (en) | 2019-02-27 | 2019-02-27 | Variable frequency air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109945328B (en) |
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| CN112413361A (en) * | 2020-10-15 | 2021-02-26 | 广东空航航空科技有限公司 | Bracket for movie and television shooting |
| CN113237146A (en) * | 2021-05-31 | 2021-08-10 | 江西汇恒盛世能源科技有限责任公司 | Noise reduction device for water-cooling cold water air conditioning system |
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| Publication number | Publication date |
|---|---|
| CN109945328B (en) | 2021-03-30 |
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