Noise reduction and temperature control assembly of screw air-cooled heat pump unit

Abstract

The utility model relates to the technical field of noise reduction of heat pump units, and discloses a noise reduction and temperature control assembly of a screw type air-cooled heat pump unit, which comprises a screw type air-cooled heat pump unit, and the screw type air-cooled heat pump unit comprises a screw type refrigeration compressor, an oil separator, a distribution box, a support base, an outer frame, an inner frame, a bottom support rod and a heat exchanger. The inner frame is fixed in the outer frame, and the plurality of bottom supporting rods are horizontally fixed at the bottom end of the inner frame; the inner frame is wrapped with the six-face installation plate pieces on the front side, the rear side, the left side, the right side, the top and the bottom, so that a noise reduction space is formed on the outer sides of the inner screw type refrigeration compressor, the oil separator and the distribution box. The main noise source of the screw type heat pump unit is wrapped, the noise reduction space is small in size, the noise reduction effect is good, and mounting and dismounting are convenient; ventilation and heat dissipation can be automatically controlled, refrigerant leakage information is obtained in time, operation and maintenance personnel are arranged for maintenance, and normal operation of equipment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat pump unit noise reduction technical field especially relates to screw type air cooled heat pump unit noise reduction and temperature control assembly. BACKGROUND

[0002] Screw type air cooled heat pump unit is a kind of efficient air conditioning heating refrigeration equipment, widely used in commercial and industrial environment, it realizes air conditioning system cold and heat source unification, saves boiler room and freezer room, without cooling tower, reduces building investment cost.Screw type air cooled heat pump unit in prior art is mainly composed of screw type compressor, heat exchanger, oil separator and distribution box etc., and most of the noise is emitted by screw type compressor.Screw type air cooled heat pump unit can emit large noise in the operation process, after testing, the noise can reach 65-75 decibels at the distance of 5 meters from the unit.For screw type air cooled heat pump unit arranged in residential area, office area, it often faces noise complaint problem.

[0003] There are also some related researches on screw type heat pump unit noise reduction in prior art, such as the invention patent with application number CN202011622735.X and the name of a kind of-25 ℃ ultra-low temperature noise reduction screw air source heat pump unit control system, which can solve the problem of excessive noise generated by air source heat pump unit, realize the low noise effect of air source heat pump unit heating, but it mainly upgrades the control system of the unit, adopts small fan, increases the number of fan, and realizes frequency conversion operation.

[0004] For example, the invention patent with application number CN201310457344.0 and the name of a kind of screw heat pump unit noise prevention box, which absorbs and rebounds the noise emitted by the unit through sound absorption board, avoids noise emission, and produces noise pollution to the surrounding environment, but it is installed on the outside of screw heat pump unit as a whole, and due to the structure and principle of screw heat pump unit, the top of noise prevention box cannot be sealed, which greatly reduces the noise reduction effect of the invention, and the volume is huge.

[0005] In addition, the main fault point of screw type air cooled heat pump unit in the operation process is freon leakage, which causes equipment failure and affects its normal operation.At present, it is mainly through arranging operation and maintenance personnel to carry out regular inspection and receiving user feedback for maintenance, but this way of operation and maintenance cost is higher, and the timeliness is not high, which easily affects user experience. UTILITY MODEL CONTENT

[0006] In order to overcome the prior art, the utility model discloses a screw type air-cooled heat pump unit noise reduction and temperature control assembly, and the main noise source of the screw type heat pump unit is wrapped, the noise reduction space volume is small, the noise reduction effect is good, and the utility model is convenient to install and detach, can automatically control ventilation and heat dissipation, and timely obtains refrigerant leakage information and arranges maintenance personnel to overhaul, and guarantees the normal operation of equipment.

[0007] The utility model discloses the following technical scheme realizes: screw type air-cooled heat pump unit noise reduction and temperature control assembly, including screw type air-cooled heat pump unit, screw type air-cooled heat pump unit includes screw type refrigeration compressor, oil separator, distribution box, support base, outer frame, inner frame, bottom support rod and heat exchanger, the inner frame is fixed at the inside of outer frame, and a plurality of bottom support rods are horizontally fixed at the bottom of inner frame, and the screw type refrigeration compressor, oil separator and distribution box are fixed on the bottom support rod of the bottom of inner frame respectively, and the heat exchanger is fixed between the top of inner frame and the lower end of the top of outer frame.

[0008] Further, the front side mounting plate piece includes a U-shaped plate, a plurality of front side noise reduction plates and buckles, the front side noise reduction plates are connected by the buckles between adjacent front side noise reduction plates, the front side noise reduction plates are connected into a front side mounting plate by the buckles between the front side noise reduction plates, and the U-shaped plate is vertically arranged at the two sides and the bottom end of the front side mounting plate.

[0009] Further, the right side mounting plate member comprises a U-shaped plate, an I-shaped plate, a right side first noise reduction plate, a right side second noise reduction plate, and a right side third noise reduction plate. The I-shaped plate is vertically arranged between the first noise reduction plate and the right side second noise reduction plate, and between the right side second noise reduction plate and the right side third noise reduction plate. The U-shaped plate is arranged at the bottom end of the first noise reduction plate, the right side second noise reduction plate, and the right side third noise reduction plate. The right side first noise reduction plate is provided with a cable hole for the cable of the distribution box to pass through. The right side second noise reduction plate is provided with a compressor rod hole for the compressor rod to pass through. The right side third noise reduction plate is provided with an oil separator hole for the oil separator pipeline to pass through.

[0010] Further, the left side mounting plate member comprises a U-shaped plate, an I-shaped plate, and a left side noise reduction plate. A plurality of left side noise reduction plates are arranged, and the I-shaped plate is arranged between two adjacent left side noise reduction plates. The bottom end of the left side noise reduction plate is mounted on the U-shaped plate.

[0011] Further, the rear side mounting plate member comprises a U-shaped plate, an I-shaped plate, and a rear side noise reduction plate. A plurality of rear side noise reduction plates are arranged, and the I-shaped plate is arranged between two adjacent rear side noise reduction plates. The bottom end of the rear side noise reduction plate is mounted on the U-shaped plate.

[0012] Further, the top mounting plate member comprises a top noise reduction plate, a sealing strip mounting plate, and a sealing strip. The top noise reduction plate is arranged on the upper end of the sealing strip mounting plate, and the sealing strip is arranged between the top noise reduction plate and the sealing strip mounting plate.

[0013] Further, the bottom mounting plate member comprises a bottom noise reduction plate. The bottom noise reduction plate is provided with a through slot matched with the support base. The bottom end of each bottom noise reduction plate is provided with a plurality of lifting pulleys.

[0014] Further, the front side noise reduction plate, the right side first noise reduction plate, the right side second noise reduction plate, the right side third noise reduction plate, the left side noise reduction plate, the rear side noise reduction plate, the top noise reduction plate, and the bottom noise reduction plate have the same structure. A single layer of sound insulation plate, a cavity, a resistive sound absorption plate, and a resonant sound absorption plate are sequentially and adhesively arranged from the outside to the inside.

[0015] Further, the right side first noise reduction plate is further provided with a fan mounting groove, and a fan is mounted in the fan mounting groove. The bottom mounting plate member is further provided with a temperature regulation system. The temperature regulation system is used to sense the temperature in the noise reduction space. When the temperature is higher than a set threshold, the fan is controlled to work to exhaust air.

[0016] Further, the temperature regulation system comprises a circuit breaker, a control power supply, a terminal, a refrigerant leakage monitor, and an environmental temperature relay. The terminal is connected to the unit distribution cabinet through a wire to obtain power from the unit distribution cabinet. The circuit breaker is arranged therebetween. The terminal is further connected to the control power supply, the refrigerant leakage monitor, and the environmental temperature relay.

[0017] Compared with the prior art, the screw type air-cooled heat pump unit noise reduction and temperature control assembly has the advantages that:

[0018] 1. The screw type air-cooled heat pump unit noise reduction and temperature control assembly of the utility model, in view of the structure characteristics and characteristics of the prior art screw type heat pump unit, forms a noise reduction space on the outside of the inner screw type refrigeration compressor, oil separator and distribution box, wraps the main noise source of the screw type heat pump unit, the screw type compressor, reduces the noise, and the noise reduction plate has small volume and good noise reduction effect.

[0019] 2. The screw type air-cooled heat pump unit noise reduction and temperature control assembly, wherein the six mounting plate pieces are arranged according to the structure characteristics of the screw type heat pump unit, and are convenient to install and disassemble.

[0020] 3. The screw type air-cooled heat pump unit noise reduction and temperature control assembly, the structure of the six mounting plate pieces is designed, so that the noise emitted by the unit can be absorbed and bounced back, and the noise reduction effect is improved.

[0021] 4. The screw type air-cooled heat pump unit noise reduction and temperature control assembly, in view of the heat dissipation problem of the wrapped screw type heat pump unit after noise reduction, can automatically control the fan ventilation and heat dissipation work according to the temperature setting threshold. And after the screw type air-cooled heat pump unit leaks freon, timely information is obtained and maintenance personnel are arranged for maintenance, troubleshooting is carried out, normal operation of the equipment is ensured, influence on the user is reduced, and operation and maintenance cost is reduced. DRAWINGS

[0022] Figure 1 is a structure diagram of the prior art screw type air-cooled heat pump unit;

[0023] Figure 2 is the installation area of the utility model on the screw type air-cooled heat pump unit;

[0024] Figure 3 is a structure diagram of the utility model installed outside the screw type refrigeration compressor, oil separator and distribution box Figure 1 ;

[0025] Figure 4 is a structure diagram of the utility model installed outside the screw type refrigeration compressor, oil separator and distribution box Figure 2 ;

[0026] Figure 5 is a structure diagram of the front side mounting plate piece in the utility model;

[0027] Figure 6 is a structure diagram of the right side mounting plate piece in the utility model;

[0028] Figure 7 is the structure schematic view of the left side mounting plate piece in the utility model;

[0029] Figure 8 is the structure schematic view of the back side mounting plate piece in the utility model;

[0030] Figure 9 is the structure schematic view of the top mounting plate piece in the utility model;

[0031] Figure 10 is the structure schematic view of the bottom mounting plate piece in the utility model;

[0032] Figure 11 is the structure schematic view of the noise reduction plate in the utility model;

[0033] Figure 12 is the connection schematic view of the temperature adjusting system in the utility model.

[0034] In the drawing: front side mounting plate piece-1; right side mounting plate piece-2; left side mounting plate piece-3; back side mounting plate piece-4; top mounting plate piece-5; bottom mounting plate piece-6; fan-8; temperature adjusting system-9; I-shaped plate-10; front side noise reduction plate-11; buckle-12; front side mounting space-19; U-shaped plate-20; right side first noise reduction plate-21; right side second noise reduction plate-22; right side third noise reduction plate-23; fan mounting groove-24; right side mounting space-29; cable hole-211; compressor rod hole-221; oil separator hole-231; left side noise reduction plate-31; left side mounting space-39; back side noise reduction plate-41; back side mounting space-49; top noise reduction plate-51; sealing strip mounting plate-52; sealing strip-53; top mounting space-59; bottom noise reduction plate-61; lifting type pulley-62; bottom mounting space-69; screw type refrigeration compressor-71; oil separator-72; distribution box-73; support base-74; outer frame-75; inner frame-76; bottom support rod-77; heat exchanger-78; single layer sound insulation board-81; cavity-82; resistive sound absorption board-83; resonance sound absorption board-84; unit distribution cabinet-91; circuit breaker-92; control power supply-93; wiring terminal-94; refrigerant leakage monitor-95; ambient temperature relay-96. DETAILED DESCRIPTION

[0035] The following embodiments of the present application will be described in detail with specific examples. Other advantages and effects of the present application can be easily understood by those skilled in the art from the content disclosed in the specification. The present application can also be implemented or applied in other different embodiments, and the details in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0036] The utility model discloses a screw air-cooled heat pump unit noise reduction and temperature control assembly.

[0037] Embodiment one

[0038] The screw air-cooled heat pump unit noise reduction and temperature control assembly provided in the embodiment comprises a screw air-cooled heat pump unit. Figures 1-4 The screw air-cooled heat pump unit noise reduction and temperature control assembly provided in the embodiment comprises a screw air-cooled heat pump unit.

[0039] Specifically, the screw air-cooled heat pump unit comprises a screw refrigeration compressor 71, an oil separator 72, a distribution box 73, a support base 74, an outer frame 75, an inner frame 76, a plurality of bottom support rods 77 and a heat exchanger 78. The inner frame 76 is fixed inside the outer frame 75. The plurality of bottom support rods 77 are horizontally fixed at the bottom end of the inner frame 76. The screw refrigeration compressor 71, the oil separator 72 and the distribution box 73 are respectively fixed on the bottom support rods 77 at the bottom end of the inner frame 76. The heat exchanger 78 is fixed between the top end of the inner frame 76 and the lower end of the top of the outer frame 75.

[0040] The left side mounting space 39 and the rear side mounting space 49 are respectively formed at the left side and the rear end of the inner frame 76, and the left side mounting plate 3 and the rear side mounting plate 4 are respectively detachably and vertically mounted at the left side mounting space 39 and the rear side mounting space 49; the right side mounting space 29 is formed at the screw end of the screw refrigeration compressor 71 in the inner frame 76, and the right side mounting plate 2 is detachably and vertically mounted at the right side mounting space 29; the front side mounting space 19 is formed at the front end of the inner frame 76, and the front side mounting plate 1 is detachably and vertically mounted at the front side mounting space 19; the top mounting space 59 is formed at the top end of the inner frame 76, and the top mounting plate 5 is detachably and horizontally mounted at the top mounting space 59; the plurality of supporting bases 74 are symmetrically fixed at the bottom end of the outer frame 75, so that the bottom mounting space 69 is formed at the bottom of the outer frame 75, and the bottom mounting plate 6 is detachably and horizontally mounted at the bottom mounting space 69; the front side, the rear side, the left side, the right side, the top and the bottom six mounting plates wrap the outside of the inner frame 76, so that the outside of the screw refrigeration compressor 71, the oil separator 72 and the distribution box 73 forms a noise reduction space, and the screw refrigeration compressor, which is the main noise source of the screw heat pump unit, is wrapped to reduce the noise.

[0041] Referring to Figure 5 The front side mounting plate 1 includes a U-shaped plate 20, a plurality of front side noise reduction plates 11 and buckles 12, the plurality of front side noise reduction plates 11 are connected by the buckles 12, the U-shaped plate 20 has three plates, two of which are vertically arranged at two sides of the front side mounting plate, and the other is horizontally arranged at the bottom end of the front side mounting plate, when the front side noise reduction plates 11 are detached and mounted, the buckles 12 are opened first, and then the noise reduction plates 11 can be pulled out upward, the front side mounting plate 1 is the main component that needs to be opened during the maintenance of the screw air-cooled heat pump unit, and therefore is arranged in a structure convenient for disassembly and assembly.

[0042] Referring to Figure 6As shown in the figure, the right side mounting plate member 2 comprises a U-shaped plate 20, an I-shaped plate 10, a right side first noise reduction plate 21, a right side second noise reduction plate 22 and a right side third noise reduction plate 23. The I-shaped plate 10 is vertically arranged between the first noise reduction plate 21 and the right side second noise reduction plate 22 and between the right side second noise reduction plate 22 and the right side third noise reduction plate 23. The U-shaped plate 20 is arranged at the bottom end of the first noise reduction plate 21, the right side second noise reduction plate 22 and the right side third noise reduction plate 23. The right side first noise reduction plate 21 is provided with a cable hole 211 for the cable of the distribution box 73 to pass through. The right side second noise reduction plate 22 is provided with a compressor rod hole 221 for the compressor rod to pass through. The right side second noise reduction plate 22 can be spliced by two sub-plates. The two sub-plates can be provided with a half compressor rod hole in the center. After the two sub-plates are butted, a compressor rod hole 221 is formed in the center. The right side third noise reduction plate 23 is provided with an oil separator hole 231 for the pipeline of the oil separator 72 to pass through. The outer circle of the cable hole 211, the compressor rod hole 221 and the oil separator hole 231 does not need to be sealed. The gap space left thereon is used for air flow.

[0043] Referring to Figure 7 As shown in the figure, the left side mounting plate member 3 comprises a U-shaped plate 20, an I-shaped plate 10 and a left side noise reduction plate 31. The left side noise reduction plate 31 has multiple pieces. The I-shaped plate 10 is arranged between two adjacent left side noise reduction plates 31. The bottom end of the left side noise reduction plate 31 is mounted on the U-shaped plate 20.

[0044] Referring to Figure 8 As shown in the figure, the rear side mounting plate member 4 comprises a U-shaped plate 20, an I-shaped plate 10 and a rear side noise reduction plate 41. The rear side noise reduction plate 41 has multiple pieces. The I-shaped plate 10 is arranged between two adjacent rear side noise reduction plates 41. The bottom end of the rear side noise reduction plate 41 is mounted on the U-shaped plate 20.

[0045] Referring to Figure 9 As shown in the figure, the top mounting plate member 5 comprises a top noise reduction plate 51, a sealing strip mounting plate 52 and a sealing strip 53. The top noise reduction plate 51 is arranged on the upper end of the sealing strip mounting plate 52. The sealing strip 53 is arranged between the top noise reduction plate 51 and the sealing strip mounting plate 52. The sealing strip 53 has a certain elasticity, which is used to reduce the vibration noise generated by the top noise reduction plate 51 during the operation of the screw type air-cooled heat pump unit.

[0046] Referring to Figure 10As shown in the figure, the bottom mounting plate 6 comprises a bottom noise reduction plate 61, and the bottom noise reduction plate 61 is provided with a through slot (not shown in the figure) matched with the support base 74; the bottom end of each bottom noise reduction plate 61 is provided with a plurality of lifting pulleys 62, and the lifting pulley 62 is a screw type universal wheel in the prior art, and a brake is arranged on the lifting pulley 62, and the height can be adjusted within a certain range. Due to the narrow space at the bottom end of the inner frame 76 of the screw type air-cooled heat pump unit and the blockage of the support base 74, in order to facilitate installation, the lifting pulley 62 is arranged at the bottom end of the bottom noise reduction plate 61, so that the bottom noise reduction plate 61 can be aligned and supported to be attached to the bottom of the inner frame 76, and installation is more convenient.

[0047] Referring to Figure 11 As shown in the figure, the front side noise reduction plate 11, the right side first noise reduction plate 21, the right side second noise reduction plate 22, the right side third noise reduction plate 23, the left side noise reduction plate 31, the rear side noise reduction plate 41, the top noise reduction plate 51 and the bottom noise reduction plate 61 are the same in structure, and sequentially comprise a single-layer sound insulation plate 81, a cavity 82, a resistive sound absorption plate 83 and a resonant sound absorption plate 84 from outside to inside, wherein the resistive sound absorption plate 83 is a polyester fiber plate in the prior art, which is an environmentally friendly sound absorption material, and does not need to use adhesive that can release harmful substances such as formaldehyde during forming, and has great tensile strength and impact resistance, is convenient to construct, is soft, and does not produce fiber dust pollution during construction, and is light in weight. The resonant sound absorption plate 84 is a wooden sound absorption plate in the prior art, which is made of wood-based medium density board, and is provided with grooves on the surface and holes in the inside to increase the sound absorption performance. According to the noise spectrum characteristics, a plurality of cavities 82 are arranged in the form of a stand column on the inner side of the single-layer sound insulation plate 81, so that the sound lingers in the cavities after penetrating through the resistive sound absorption plate 83 and the resonant sound absorption plate 84.

[0048] The screw type air-cooled heat pump unit noise reduction and temperature control assembly of the utility model, aiming at the structure characteristics and characteristics (most of the noise is generated by the screw type compressor) of the screw type heat pump unit in the prior art, forms a noise reduction space outside the inner screw type refrigeration compressor 71, the oil separator 72 and the distribution box 73, wraps the screw type compressor which is the main noise source of the screw type heat pump unit, reduces the noise, and the noise reduction plate has small volume and good noise reduction effect.

[0049] The six mounting plate pieces in the screw type air-cooled heat pump unit noise reduction assembly are all set according to the structural characteristics of the screw type heat pump unit, are convenient to install and disassemble, are set to be convenient to disassemble and assemble for positions needing to be frequently opened and closed for maintenance in the later period, and are set to be convenient to disassemble and assemble for the main positions needing to be opened during the maintenance of the screw type air-cooled heat pump unit; for example, the front mounting plate piece 1 is the main position needing to be opened during the maintenance of the screw type air-cooled heat pump unit, and therefore, the front mounting plate piece 1 is set to be convenient to disassemble and assemble; for example, the bottom end space of the inner frame 76 is narrow, and the bottom end space is blocked by the support base 74, in order to facilitate installation, the lifting type pulley 62 is arranged at the bottom end of the bottom noise reduction plate 61, so that the lifting type pulley 62 is in alignment with the inner frame 76 after being supported, and the lifting type pulley 62 is in close contact with the bottom of the inner frame 76, and installation is more convenient.

[0050] The screw type air-cooled heat pump unit noise reduction assembly is also designed in the structure of the six mounting plate pieces, so that the six mounting plate pieces can absorb and rebound the noise emitted by the unit, and the noise reduction effect is improved.

[0051] Embodiment two

[0052] Referring to FIGS. 1-3, Figure 3 , Figure 4 , Figure 6 As shown in the figures, the embodiment provides a screw type air-cooled heat pump unit noise reduction and temperature control assembly, and the right side first noise reduction plate 21 is also provided with a fan mounting groove 24, the fan mounting groove 24 is provided with a fan 8, the fan 8 is a direct current fan in the prior art, and the rated voltage of the fan 8 is 24v. The bottom mounting plate piece 6 is also provided with a temperature adjusting system 9, the temperature adjusting system 9 is used for sensing the temperature in the noise reduction space, and the fan 8 is controlled to work to exhaust air when the temperature is higher than a set threshold value.

[0053] Referring to FIGS. 1-3, Figure 12As shown, the temperature regulating system 9 includes a circuit breaker 92, a control power supply 93, a terminal 94, a refrigerant leakage monitor 95 and an ambient temperature relay 96, the terminal 94 is connected with the unit distribution cabinet 91 through a wire, and electricity is taken from the unit distribution cabinet 91, and the circuit breaker 92 is arranged therebetween, the terminal 94 is also connected with the control power supply 93, the refrigerant leakage monitor 95 and the ambient temperature relay 96 respectively, the circuit breaker 92 uses the NXBLE-63YH circuit breaker of the NXP brand, the control power supply 93 uses the 220 AC to 24V DC switching power supply of the Mingansheng brand in the prior art, and the terminal 94 uses the CMK420 terminal block in the prior art; in order to further guarantee safety, a fuse can also be connected between the circuit breaker 92 and the control power supply 93, and the fuse is cut off when a fault or an abnormality occurs in the circuit, so that the circuit is protected to run safely. The refrigerant leakage monitor 95 uses the Freon sensor of the Pruesen company, the power supply is 10-30V DC, the range is 0-1000ppm, the Freon zero drift is ±3% FS, and the accuracy is ±15% FS; the refrigerant leakage monitor 95 has a temperature measurement function, the temperature measurement range is-40℃ to +80℃, the temperature accuracy is ±0.5℃ (25℃), and the refrigerant leakage monitor 95 has a network communication alarm function, can upload alarm data to a mobile phone, and can be checked at any time and any place; when receiving the Freon leakage alarm, it is indicated that the screw type air-cooled heat pump unit may have a leakage, so that maintenance personnel can be arranged in time to check the fault and guarantee normal operation of the equipment. The ambient temperature relay 96 uses the KTS011 type ambient temperature relay of the Shengpu Electrical in the prior art, and the ambient temperature relay is always in an open state; when the ambient temperature reaches the set value, the relay is attracted to operate the fan; when the ambient temperature is lower than the set temperature, the relay is disconnected, and the fan stops running.

[0054] The screw type air-cooled heat pump unit noise reduction and temperature control assembly of the utility model, in view of the heat dissipation problem of the wrapped noise reduction screw type heat pump unit, adds a temperature regulating system 9, can automatically control the fan 8 ventilation and heat dissipation work according to the temperature setting threshold value. And according to the advantageous structural characteristics (the traditional screw type air-cooled heat pump unit is open outside, and the Freon will spread after leakage, which is not conducive to detecting the concentration change outside), a refrigerant leakage monitor 95 is designed, so that information can be obtained in time and maintenance personnel can be arranged to overhaul, troubleshoot, guarantee normal operation of the equipment, reduce the influence on the user, and reduce the operation and maintenance cost.

[0055] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. Screw air-cooled heat pump unit noise reduction and temperature control assembly, comprising a screw air-cooled heat pump unit, the screw air-cooled heat pump unit comprising a screw refrigeration compressor (71), an oil separator (72), a distribution box (73), a support base (74), an outer frame (75), an inner frame (76), a bottom support rod (77) and a heat exchanger (78), the inner frame (76) is fixed inside the outer frame (75), a plurality of bottom support rods (77) are fixed horizontally at the bottom end of the inner frame (76), the screw refrigeration compressor (71), the oil separator (72) and the distribution box (73) are respectively fixed on the bottom support rods (77) at the bottom end of the inner frame (76), and the heat exchanger (78) is fixed between the top end of the inner frame (76) and the lower end of the top of the outer frame (75). characterized in that The left side and the rear end of the inner frame (76) form a left side mounting space (39) and a rear side mounting space (49) respectively, and the left side mounting plate (3) and the rear side mounting plate (4) are detachably vertically mounted at the left side mounting space (39) and the rear side mounting space (49) respectively. The right side mounting space (29) is formed in the inner frame (76) at the screw end of the screw refrigeration compressor (71), and the right side mounting plate (2) is detachably vertically mounted at the right side mounting space (29). The front end of the inner frame (76) forms a front side mounting space (19), and the front side mounting plate (1) is detachably vertically mounted at the front side mounting space (19). The top end of the inner frame (76) forms a top mounting space (59), and the top mounting plate (5) is detachably horizontally mounted at the top mounting space (59). A plurality of support bases (74) are symmetrically fixed at the bottom end of the outer frame (75), so that the bottom of the outer frame (75) forms a bottom mounting space (69), and the bottom mounting plate (6) is detachably horizontally mounted at the bottom mounting space (69). The front, rear, left, right, top and bottom six mounting plates are wrapped outside the inner frame (76), so that the outer sides of the screw refrigeration compressor (71), the oil separator (72) and the distribution box (73) form a noise reduction space.

2. The screw air-cooled heat pump unit noise reduction and temperature control assembly of claim 1, wherein: The front side mounting plate (1) comprises a U-shaped plate (20), a front side noise reduction plate (11) and a buckle (12), the front side noise reduction plate (11) has a plurality of plates, adjacent front side noise reduction plates (11) are connected by buckles (12), and a plurality of front side noise reduction plates (11) are connected into a front side mounting plate by buckles (12), and the U-shaped plate (20) is vertically arranged at the two sides and the bottom end of the front side mounting plate.

3. The screw air-cooled heat pump unit noise reduction and temperature control assembly of claim 2, wherein: The right side mounting plate member (2) comprises a U-shaped plate (20), an I-shaped plate (10), a right side first noise reduction plate (21), a right side second noise reduction plate (22) and a right side third noise reduction plate (23), the first noise reduction plate (21) and the right side second noise reduction plate (22) are vertically provided with the I-shaped plate (10) respectively, the U-shaped plate (20) is arranged at the bottom end of the first noise reduction plate (21), the right side second noise reduction plate (22) and the right side third noise reduction plate (23), the right side first noise reduction plate (21) is provided with a cable hole (211) for the cable of the distribution box (73) to pass through, the right side second noise reduction plate (22) is provided with a compressor rod hole (221) for the compressor rod to pass through, and the right side third noise reduction plate (23) is provided with an oil separator hole (231) for the pipeline of the oil separator (72) to pass through.

4. The screw air-cooled heat pump unit noise reduction and temperature control assembly of claim 3, wherein: The left side mounting plate member (3) comprises a U-shaped plate (20), an I-shaped plate (10) and a left side noise reduction plate (31), a plurality of left side noise reduction plates (31) are arranged, and the I-shaped plate (10) is arranged between adjacent two left side noise reduction plates (31), and the bottom end of the left side noise reduction plate (31) is mounted on the U-shaped plate (20).

5. The screw air-cooled heat pump unit noise reduction and temperature control assembly of claim 4, wherein: The rear side mounting plate member (4) comprises a U-shaped plate (20), an I-shaped plate (10) and a rear side noise reduction plate (41), a plurality of rear side noise reduction plates (41) are arranged, and the I-shaped plate (10) is arranged between adjacent two rear side noise reduction plates (41), and the bottom end of the rear side noise reduction plate (41) is mounted on the U-shaped plate (20).

6. The screw air-cooled heat pump unit noise reduction and temperature control assembly of claim 5, wherein: The top mounting plate member (5) comprises a top noise reduction plate (51), a sealing strip mounting plate (52) and a sealing strip (53), the top noise reduction plate (51) is arranged on the upper end of the sealing strip mounting plate (52), and the sealing strip (53) is arranged between the top noise reduction plate (51) and the sealing strip mounting plate (52).

7. The screw air-cooled heat pump unit noise reduction and temperature control assembly of claim 6, wherein: The bottom mounting plate member (6) comprises a bottom noise reduction plate (61), and the bottom noise reduction plate (61) is provided with a through groove matched with a supporting base (74); the bottom end of each bottom noise reduction plate (61) is provided with a plurality of lifting pulleys (62).

8. The screw air-cooled heat pump unit noise reduction and temperature control assembly of claim 7, wherein: The front side noise reduction plate (11), the right side first noise reduction plate (21), the right side second noise reduction plate (22), the right side third noise reduction plate (23), the left side noise reduction plate (31), the rear side noise reduction plate (41), the top noise reduction plate (51) and the bottom noise reduction plate (61) are the same in structure, and are sequentially and adhesively provided with a single-layer sound insulation plate (81), a cavity (82), a resistive sound absorption plate (83) and a resonant sound absorption plate (84) from outside to inside.

9. The screw air-cooled heat pump unit noise reduction and temperature control assembly of any of claims 3-8, wherein: The right side first noise reduction plate (21) is further provided with a fan mounting groove (24), and a fan (8) is mounted in the fan mounting groove (24); the bottom mounting plate member (6) is further provided with a temperature adjusting system (9), and the temperature adjusting system (9) is used for sensing the temperature in the noise reduction space, and when the temperature is higher than a set threshold, the fan (8) is controlled to work to exhaust air.

10. The screw air-cooled heat pump unit noise reduction and temperature control assembly of claim 9, wherein: The temperature regulating system (9) comprises a circuit breaker (92), a control power supply (93), a wiring terminal (94), a refrigerant leakage monitor (95) and an ambient temperature relay (96), the wiring terminal (94) is connected with the unit distribution cabinet (91) through a wire, electricity is taken from the unit distribution cabinet (91), the circuit breaker (92) is arranged therebetween, and the wiring terminal (94) is also connected with the control power supply (93), the refrigerant leakage monitor (95) and the ambient temperature relay (96) respectively.

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