CN110578670A - effectual protection device for heat pump set gives sound insulation - Google Patents
effectual protection device for heat pump set gives sound insulation Download PDFInfo
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- CN110578670A CN110578670A CN201910875649.0A CN201910875649A CN110578670A CN 110578670 A CN110578670 A CN 110578670A CN 201910875649 A CN201910875649 A CN 201910875649A CN 110578670 A CN110578670 A CN 110578670A
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- heat pump
- sound insulation
- box
- protection device
- pump unit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of heat pump units, and discloses a protection device for a heat pump unit with a good sound insulation effect. This effectual protection device for heat pump set gives sound insulation, through setting up amortization rubber slab, amortization sponge board and division board, can play better isolation, avoid the inside noise of guard box to spread the outside of guard box, influence staff's normal work, through setting up the chamber door, joint piece and regulation handle, to left and right sides pulling regulation handle, can drive joint piece and guard box separation, can open the chamber door this moment, can reach convenient maintenance and the maintenance to heat pump set, the puigging makes the chamber door play syllable-dividing effect, avoid the noise to spread from the chamber door, the structure has reached better syllable-dividing effect, also can make things convenient for heat pump set to maintain and maintain, can more the person of facilitating the use.
Description
Technical Field
The invention relates to the technical field of heat pump units, in particular to a protection device for a heat pump unit with a good sound insulation effect.
Background
In the geothermal heat supply industry, the traditional geothermal utilization mode is a direct heat exchange heating pump technology, the temperature of tail water of direct heat exchange is generally 335 ℃, the temperature of heat source side is utilized to the maximum extent of geothermal resources, the temperature of tail water of geothermal heat is generally designed to be 10 ℃, the temperature of inlet and outlet water designed by a general host is 15/8 ℃ due to heat exchange requirements and host characteristics, the average temperature of utilization of the heat pump host is low, the energy efficiency of the system is low, if the temperature of inlet and outlet water is increased, the temperature of return water of geothermal water cannot be controlled, the maximum utilization of geothermal resources is difficult to realize, the standard design of supply and return water temperature at the user side is recommended to be 45/35 ℃, the energy efficiency ratio of the heat pump host is relatively low when the temperature difference is large, the.
All need use heat pump set when utilizing geothermol power, current heat pump set's protection device in the existing market all has the advantage that the protection effect is good and simple structure, but current heat pump set's protection device does not set up syllable-dividing effect yet, if do not set up syllable-dividing structure, can influence the district or place near place resident's normal life when heat pump set uses, so provide a give sound insulation effectual protection device for heat pump set and solve the above-mentioned problem of proposing.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a protection device for a heat pump unit with good sound insulation effect, which has the advantages of good sound insulation effect and the like, and solves the problem that the normal life of residents in a residential area or a place nearby is influenced when the heat pump unit is used without arranging a sound insulation structure because the protection device of the prior heat pump unit has no sound insulation effect.
(II) technical scheme
In order to achieve the purpose of good sound insulation effect, the invention provides the following technical scheme: a protection device for a heat pump unit with good sound insulation effect comprises a protection box, wherein a silencing rubber plate is fixedly arranged inside the protection box, a silencing sponge plate is fixedly arranged inside the silencing rubber plate, a partition plate is fixedly arranged inside the silencing sponge plate, two hinges are fixedly arranged on the left side and the right side of the front surface of the protection box, a box door is fixedly arranged on one side of the protection box opposite to the hinges, a sound insulation layer is fixedly arranged on the back surface of the box door, an installation cavity is respectively arranged on one side of the inner part of the box door, which is far away from the hinges on the left side and the right side, a fixed plate is fixedly arranged on the rear side wall of the inner cavity of the installation cavity, pushing springs are fixedly arranged on one side of the left side and the right side opposite to the pushing springs, pushing plates are fixedly arranged on one side of the left side and the right side opposite to the pushing springs, clamping, a pull rod which penetrates through a pushing spring and a fixed plate and extends to one side of the back of the fixed plate on the left side and the right side is fixedly arranged on one side of the back of the push plate on the left side and the right side, an adjusting rod which penetrates through an installation cavity and extends to the front of a protection box is fixedly arranged on one side of the back of the pull rod on the left side and the right side, a chute arranged on a box door is arranged on one side of the back of the inner cavity of the installation cavity on the left side and the right side, a slide block which extends into the chute is fixedly arranged on the rear of the adjusting rod, an adjusting handle is fixedly arranged on the front of the adjusting rod, a telescopic spring which is fixedly connected with one side wall of the push plate on the left side and the right side of the installation cavity on the far away from the left side and the right, the top fixed mounting of water tank has the inlet tube that extends to the sunshading board top, and the front side bottom fixed mounting of water tank has the outlet pipe, and the front side fixed mounting of outlet pipe has the water pump with guard box fixed connection, and the front side fixed mounting of water pump has the connecting pipe that runs through and extend to the guard box inside, and the rear side fixed mounting of connecting pipe has the condenser pipe, and the rear side fixed mounting of condenser pipe has the wet return that runs through and extend to the guard box top and with the back lateral wall fixed connection of water tank, the inner chamber roof fixed mounting of guard box has the electronic slide rail that is located the condenser pipe top, and the inside movable mounting of electronic slide rail has the movable block that runs through and extend to electronic slide rail bottom, and the bottom fixed mounting of movable block has the.
Preferably, the sliding block and the sliding groove are both T-shaped, and the front thickness and the rear thickness of the sliding block and the sliding groove are smaller than the rear thickness of the sliding block and the sliding groove.
Preferably, the rear side of slider is opened and is equipped with the mounting groove, and the inslot movable mounting of mounting groove has the ball that extends to the slider rear side and contact with the spout.
Preferably, the inside of guard box is seted up with the joint groove of joint piece looks adaptation, and the degree of depth in joint groove is less than the compression distance that promotes the spring.
Preferably, the compression distance of the pushing spring is smaller than or equal to that of the telescopic spring, and an anti-skid layer is arranged on the outer side of the adjusting handle.
Preferably, a through hole matched with the pull rod is formed in the fixing plate, and the diameter of the through hole is smaller than that of the inner wall of the pushing spring.
Preferably, the top of the water inlet pipe is fixedly provided with a water inlet hopper, and the water inlet hopper is connected with a tank cover extending to the top of the water inlet hopper through internal threads.
Preferably, a valve extending into the connecting pipe is fixedly mounted on one side of the outer side of the connecting pipe and located outside the protection box.
Preferably, the bottom of the sun shield is fixedly provided with two support rods fixedly connected with the protective box, and the distance between the fan and the condensation pipe is between three centimeters and ten centimeters.
(III) advantageous effects
Compared with the prior art, the invention provides a protection device for a heat pump unit with good sound insulation effect, which has the following beneficial effects:
1. The protective device for the heat pump unit with good sound insulation effect can play a good role in insulation by arranging the sound-absorbing rubber plate, the sound-absorbing sponge plate and the partition plate, so that noise in the protective box is prevented from being transmitted to the outer side of the protective box to influence the normal work of workers, the door, the clamping block and the adjusting handle are arranged, the adjusting handle is pulled to the left side and the right side to drive the clamping block to be separated from the protective box, the door can be opened at the moment, the convenience in maintenance and repair of the heat pump unit can be realized, when the protective device is installed, the adjusting handle can be pulled to the left side and the right side firstly, then the door is closed, the adjusting handle is loosened, the door is pushed by the pushing spring to push the clamping block to be clamped with the clamping groove, the door can be closed tightly, the sound insulation layer enables the door to play a sound insulation effect, the noise is prevented from being transmitted, the use of the utility model is more convenient for the user.
2. This effectual protection device for heat pump set gives sound insulation, through setting up the water tank, condenser pipe and fan, the water pump draws water in to the condenser pipe, then give out air conditioning through the condenser pipe refrigeration, electronic slide rail drives and controls the fan, the fan blows the air conditioning that gives out, make air conditioning cool down heat pump set, the inside of water tank can be got back to the water in the last condenser pipe, can play the effect of practicing thrift the water source, can conveniently cool down in the guard box simultaneously, can avoid the high temperature in the guard box and damage heat pump set, can more be favorable to the user to use.
Drawings
FIG. 1 is a schematic view of a protection device for a heat pump unit with good sound insulation effect according to the present invention;
FIG. 2 is a side sectional view of a protection box of a protection device for a heat pump unit with a good sound insulation effect according to the present invention;
FIG. 3 is a sectional view showing the connection between the door and the protective box of the protective device for a heat pump unit according to the present invention;
Fig. 4 is an enlarged view of a point a in fig. 3 of a protection device for a heat pump unit with a good sound insulation effect according to the present invention.
In the figure: 1 guard box, 2 amortization rubber slabs, 3 amortization sponge boards, 4 division boards, 5 hinges, 6 chamber doors, 7 puigging, 8 installation chambeies, 9 fixed plates, 10 promotion springs, 11 push pedal, 12 joint pieces, 13 pull rods, 14 regulation poles, 15 spouts, 16 sliders, 17 regulation handles, 18 expanding spring, 19 sunshading board, 20 water tanks, 21 inlet tubes, 22 outlet pipes, 23 water pump, 24 connecting pipes, 25 condenser pipes, 26 wet return, 27 electronic slide rail, 28 movable blocks, 29 fans.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
referring to fig. 1-4, a protection device for a heat pump unit with good sound insulation effect comprises a protection box 1, a silencing rubber plate 2 is fixedly installed inside the protection box 1, a silencing sponge plate 3 is fixedly installed inside the silencing rubber plate 2, a partition plate 4 is fixedly installed inside the silencing sponge plate 3, two hinges 5 are fixedly installed on the front side of the protection box 1 on the left and right sides, a box door 6 is fixedly installed on one side opposite to the hinges 5 on the left and right sides, a sound insulation layer 7 is fixedly installed on the back side of the box door 6, an installation cavity 8 is respectively arranged inside the box doors 6 on the left and right sides and on one side far away from the hinges 5 on the left and right sides, a fixing plate 9 is fixedly installed on the rear side wall of an inner cavity of the installation cavity 8, a pushing spring 10 is fixedly installed on one side opposite to the fixing plate 9 on the left and right sides, the opposite sides of the left and right push plates 11 are fixedly provided with a clamping block 12 which penetrates through the installation cavity 8 and extends to the inside of the protection box 1, the inside of the protection box 1 is provided with a clamping groove matched with the clamping block 12, the depth of the clamping groove is less than the compression distance of the pushing spring 10, the opposite sides of the left and right push plates 11 are fixedly provided with pull rods 13 which penetrate through the pushing spring 10 and the fixing plate 9 and extend to the opposite sides of the left and right fixing plates 9, the inside of the fixing plate 9 is provided with through holes matched with the pull rods 13, the diameter of the through holes is less than the diameter of the inner wall of the pushing spring 10, the opposite sides of the left and right pull rods 13 are fixedly provided with adjusting rods 14 which penetrate through the installation cavity 8 and extend to the front side of the protection box 1, and the rear side walls of the inner cavity of the left and right installation cavities 8 and, a slide block 16 extending into the groove of the sliding groove 15 is fixedly arranged at the rear side of the adjusting rod 14, the slide block 16 and the sliding groove 15 are both T-shaped, the front and back thicknesses of the slide block 16 and the sliding groove 15 are both smaller than the rear thickness thereof, a mounting groove is arranged at the rear side of the slide block 16, balls extending to the rear side of the slide block 16 and contacting with the sliding groove 15 are movably arranged in the groove of the mounting groove, an adjusting handle 17 is fixedly arranged at the front side of the adjusting rod 14, an expansion spring 18 fixedly connected with one side wall of the left and right side mounting cavities 8 far away from the left and right side push plates 11 is fixedly arranged at one side of the left and right side adjusting rods 14 opposite to each other, the compression distance of the pushing spring 10 is smaller than or equal to that of the expansion spring 18, an anti-slip layer is arranged at the outer side of the adjusting handle 17, and a better isolation effect can be achieved by arranging the silencing rubber plate 2, the normal work of workers is influenced, the door 6, the clamping block 12 and the adjusting handle 17 are arranged, the adjusting handle 17 is pulled towards the left side and the right side, the clamping block 12 can be driven to be separated from the protective box 1, the door 6 can be opened at the moment, the convenience in maintenance and repair of the heat pump unit can be achieved, when the heat pump unit is installed, the adjusting handle 17 can be pulled towards the left side and the right side firstly, then the door 6 is closed, the adjusting handle 17 is loosened, the pushing spring 10 pushes the clamping block 12 to be clamped with the clamping groove, the door 6 can be closed tightly at the moment, the sound insulation layer 7 enables the door 6 to have the sound insulation effect, the noise is prevented from being transmitted from the door 6, the structure achieves the good sound insulation effect, the convenience in maintenance and repair of the heat pump unit can be achieved, the use of a user can be facilitated, the sun shield 19 is fixedly installed at the top of, a water inlet pipe 21 extending to the top of the sun shield 19 is fixedly installed at the top of the water tank 20, a water inlet hopper is fixedly installed at the top of the water inlet pipe 21, the inner part of the water inlet hopper is connected with a tank cover extending to the top of the water inlet hopper through a thread, a water outlet pipe 22 is fixedly installed at the bottom of the front side of the water tank 20, a water pump 23 fixedly connected with the protection box 1 is fixedly installed at the front side of the water outlet pipe 22, the type of the water pump 23 can be PUM-200EH400, a connecting pipe 24 penetrating and extending to the inner part of the protection box 1 is fixedly installed at the front side of the water pump 23, a valve extending to the inner part of the connecting pipe 24 is fixedly installed at one side of the outer side of the connecting pipe 24 and positioned at the outer part of the protection box 1, a condenser pipe 25 is fixedly installed at the rear side of the connecting pipe 24, a water return pipe 26 penetrating and extending to the top of the protection, the model of the electric slide rail 27 can be CCM-W60-35, a moving block 28 penetrating through and extending to the bottom of the electric slide rail 27 is movably installed inside the electric slide rail 27, a fan 29 positioned above the condenser pipe 25 is fixedly installed at the bottom of the moving block 28, the model of the fan 29 can be YX-71D-4, two support rods fixedly connected with the protection box 1 are fixedly installed at the bottom of the sun shield 19, the distance between the fan 29 and the condenser pipe 25 is three centimeters to ten centimeters, the water pump 23 pumps water into the condenser pipe 25 through the water tank 20, the condenser pipe 25 and the fan 29, then cold air is refrigerated and emitted through the condenser pipe 25, the electric slide rail 27 drives the fan 29 to move left and right, the fan 29 blows the emitted cold air, so that the cold air cools the heat pump unit, and finally water in the condenser pipe 25 can return to the inside of the water tank 20, the effect of water source saving can be played, simultaneously, the temperature in the protection box 1 can be conveniently reduced, the damage to the heat pump unit caused by overhigh temperature in the protection box 1 can be avoided, and the use by a user can be more facilitated.
in summary, the protection device for the heat pump unit with good sound insulation effect can play a good role in insulation by arranging the sound-absorbing rubber plate 2, the sound-absorbing sponge plate 3 and the isolation plate 4, so as to prevent noise in the protection box 1 from being transmitted to the outer side of the protection box 1 and affecting the normal work of workers, by arranging the box door 6, the clamping block 12 and the adjusting handle 17, the adjusting handle 17 is pulled to the left side and the right side to drive the clamping block 12 to be separated from the protection box 1, at the moment, the box door 6 can be opened, so as to facilitate the maintenance and repair of the heat pump unit, when in installation, the adjusting handle 17 can be pulled to the left side and the right side, then the box door 6 is closed, the adjusting handle 17 is loosened, so that the pushing spring 10 pushes the clamping block 12 to be clamped with the clamping groove, at the moment, the box door 6 can be closed tightly, the sound insulation layer 7 enables the box, by arranging the water tank 20, the condensation pipe 25 and the fan 29, the water pump 23 pumps water into the condensation pipe 25, then, the cold air is refrigerated and emitted through the condensation pipe 25, the electric slide rail 27 drives the fan 29 to move left and right, the fan 29 blows the emitted cold air, so that the cold air cools the heat pump unit, and finally the water in the condenser pipe 25 can return to the inside of the water tank 20, thereby achieving the effect of saving water source, meanwhile, the temperature in the protection box 1 can be conveniently reduced, the damage to the heat pump unit caused by overhigh temperature in the protection box 1 can be avoided, the use by a user can be more facilitated, the structure achieves better sound insulation effect, is convenient for the maintenance and repair of the heat pump unit, is more convenient for users to use, solves the problem that the prior protection device of the heat pump unit has no sound insulation effect, and if the sound insulation structure is not arranged, when the heat pump unit is used, the normal life of residents in a community or a place nearby can be influenced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an effectual protection device for heat pump set gives sound insulation, includes guard box (1), its characterized in that: the noise reduction box is characterized in that a noise reduction rubber plate (2) is fixedly mounted inside the protection box (1), a noise reduction sponge plate (3) is fixedly mounted inside the noise reduction rubber plate (2), a partition plate (4) is fixedly mounted inside the noise reduction sponge plate (3), two hinges (5) are fixedly mounted on the left side and the right side of the front of the protection box (1), box doors (6) are fixedly mounted on the opposite sides of the hinges (5), a sound insulation layer (7) is fixedly mounted on the back of each box door (6), installation cavities (8) are formed in the left side and the right side of the inner part of each box door (6) and located on the side far away from the hinges (5) on the left side and the right side, fixing plates (9) are fixedly mounted on the rear side wall of each inner cavity of each installation cavity (8), pushing springs (10) are fixedly mounted on the opposite sides of the fixing plates (9), and pushing plates (11) are, the side opposite to the push plate (11) on the left side and the right side is fixedly provided with a clamping block (12) which penetrates through an installation cavity (8) and extends to the inside of a protection box (1), the side opposite to the push plate (11) on the left side and the right side is fixedly provided with a pull rod (13) which penetrates through a pushing spring (10) and a fixing plate (9) and extends to the left side and the right side, the fixed plate (9) on the back side is provided with a pull rod (13), the side opposite to the pull rod (13) on the left side and the right side is fixedly provided with an adjusting rod (14) which penetrates through the installation cavity (8) and extends to the front of the protection box (1), the rear side wall of the inner cavity of the installation cavity (8) on the left side and the right side and the side located on the back of the two fixing plates (9) is provided with a sliding groove (15) arranged on a box door (6), the rear side of the, the left and right sides are respectively and fixedly provided with a telescopic spring (18) fixedly connected with one side of the adjusting rod (14) opposite to the back, the mounting cavity (8) is far away from the left and right sides, a side wall of the push plate (11) is fixedly connected with the telescopic spring (18), the top of the protection box (1) is fixedly provided with a sun shield (19), the top of the protection box (1) is fixedly provided with a water tank (20) positioned in the sun shield (19), the top of the water tank (20) is fixedly provided with a water inlet pipe (21) extending to the top of the sun shield (19), the bottom of the front side of the water tank (20) is fixedly provided with a water outlet pipe (22), the front side of the water outlet pipe (22) is fixedly provided with a water pump (23) fixedly connected with the protection box (1), the front side of the water pump (23) is fixedly provided with a connecting pipe (24, the rear side fixed mounting of condenser pipe (25) has a wet return (26) that runs through and extend to guard box (1) top and with the back lateral wall fixed connection of water tank (20), the inner chamber roof fixed mounting of guard box (1) has electronic slide rail (27) that are located condenser pipe (25) top, and the inside movable mounting of electronic slide rail (27) has movable block (28) that runs through and extend to electronic slide rail (27) bottom, and the bottom fixed mounting of movable block (28) has fan (29) that are located condenser pipe (25) top.
2. The heat pump unit protection device with good sound insulation effect of claim 1, wherein: the sliding block (16) and the sliding groove (15) are both T-shaped, and the front and back thicknesses of the sliding block (16) and the sliding groove (15) are smaller than the rear thickness thereof.
3. The heat pump unit protection device with good sound insulation effect of claim 1, wherein: the rear side of slider (16) is opened and is equipped with the mounting groove, and the inslot movable mounting of mounting groove has the ball that extends to slider (16) rear side and contact with spout (15).
4. The heat pump unit protection device with good sound insulation effect of claim 1, wherein: the inside of guard box (1) is seted up with the joint groove of joint piece (12) looks adaptation, and the degree of depth in joint groove is less than the compression distance that promotes spring (10).
5. The heat pump unit protection device with good sound insulation effect of claim 1, wherein: the compression distance of the pushing spring (10) is smaller than or equal to that of the telescopic spring (18), and an anti-skid layer is arranged on the outer side of the adjusting handle (17).
6. The heat pump unit protection device with good sound insulation effect of claim 1, wherein: the inner part of the fixing plate (9) is provided with a through hole matched with the pull rod (13), and the diameter of the through hole is smaller than that of the inner wall of the pushing spring (10).
7. The heat pump unit protection device with good sound insulation effect of claim 1, wherein: the top fixed mounting of inlet tube (21) has into water and fights, and the inside threaded connection of just intaking fill extends to the case lid at the fill top of intaking.
8. The heat pump unit protection device with good sound insulation effect of claim 1, wherein: and a valve extending into the connecting pipe (24) is fixedly mounted on one side of the outer side of the connecting pipe (24) and positioned outside the protection box (1).
9. The heat pump unit protection device with good sound insulation effect of claim 1, wherein: the bottom of the sun shield (19) is fixedly provided with two support rods which are fixedly connected with the protective box (1), and the distance between the fan (29) and the condensing pipe (25) is three centimeters to ten centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910875649.0A CN110578670A (en) | 2019-09-17 | 2019-09-17 | effectual protection device for heat pump set gives sound insulation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910875649.0A CN110578670A (en) | 2019-09-17 | 2019-09-17 | effectual protection device for heat pump set gives sound insulation |
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| CN110578670A true CN110578670A (en) | 2019-12-17 |
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| CN201910875649.0A Pending CN110578670A (en) | 2019-09-17 | 2019-09-17 | effectual protection device for heat pump set gives sound insulation |
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| CN208778177U (en) * | 2018-08-25 | 2019-04-23 | 浙江美尔棒纺织有限公司 | A kind of air compressor machine noise-decreasing device |
| CN209217490U (en) * | 2018-08-31 | 2019-08-06 | 科润智能控制股份有限公司 | A kind of constant temperature waterproof prefabricated cabin cabinet |
| CN209389523U (en) * | 2018-12-29 | 2019-09-13 | 江西江控电气有限公司 | A kind of intelligent temperature control type switchgear |
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Address after: Room 121, 1202, 1203 and 1206, Yizhong Building, 75 Qili Henan Road, Zhengzhou District, Henan Free Trade Experimental Zone, Zhengzhou City, Henan Province, 450000 Applicant after: Wanjiang New Energy Group Co., Ltd Address before: Room 121, 1202, 1203 and 1206, Yizhong Building, 75 Qili Henan Road, Zhengzhou District, Henan Free Trade Experimental Zone, Zhengzhou City, Henan Province, 450000 Applicant before: Henan Wanjiang New Energy Group Co.,Ltd. |
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Application publication date: 20191217 |
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| RJ01 | Rejection of invention patent application after publication |