Temperature control cabinet

Abstract

The invention discloses a temperature control cabinet which comprises a shell, an air inlet shell and an air outlet shell, the air inlet shell and the air outlet shell are installed in the shell, an air inlet and an air outlet are formed in the shell, an air inlet cavity communicated with the air inlet is formed in the air inlet shell, an air inlet fan is arranged in the air inlet cavity, and an air outlet cavity communicated with the air outlet is formed in the air outlet shell. An air outlet fan is arranged in the air outlet cavity, the air inlet cavity communicates with the air outlet cavity, a heat exchanger is arranged at the joint of the air inlet cavity and the air outlet cavity, and sound insulation gaps are formed between the air inlet shell and / or the air outlet shell and the shell. The shell is separated from the air inlet shell and the air outlet shell, a sound insulation gap is formed between the shell and the shell and can consume sound waves, the sound insulation effect is improved, a multi-layer structure is formed, multiple noise reduction interlayers are achieved, the two fans are arranged in the two cavities respectively, the noise sources are installed in the cavities, multiple wrapping of the noise sources is achieved, and the noise reduction effect is improved. Meanwhile, mutual interference and sound superposition of the two fans are avoided, and noise is effectively reduced.

Description

Technical Field

[0001] The invention relates to the field of temperature regulating equipment, in particular to a temperature control cabinet. Background Art

[0002] In the field of temperature control technology, especially in the application environment of ultra-high precision manufacturing, the noise requirements for equipment are very high. Since the propagation of sound waves in the medium will drive the vibration of the medium, once this vibration resonates with the processing equipment, the processing accuracy of the equipment will be seriously affected, such as affecting the nano-level processing size deviation, thus failing to meet the processing accuracy requirements.

[0003] In the process of realizing the invention, the inventors found that there are at least the following problems in the prior art: when the fan pressure head is high, the static pressure requirement of the existing air temperature control cabinet is low, the overall structure adopts a single-layer foam board assembly structure, and the sound insulation design is single, which cannot isolate the noise generated by the fan and has a poor sound insulation effect. Since the overall structure of the existing air temperature control cabinet is gradually assembled using panels, the wind cavity and the outer shell are integrated, and noise can easily be transmitted from the gap, and the sound insulation effect is limited. Under the requirements of lower noise and high static pressure, the existing box structure technical solution has only a single-layer structure and cannot use sound-absorbing cotton materials. The box structure cannot achieve a more reasonable air duct structure, resulting in the problem of reducing noise being difficult to solve.

[0004] Therefore, how to provide a temperature control cabinet that effectively reduces noise is a technical problem that those skilled in the art currently need to solve. Summary of the invention

[0005] The purpose of the present invention is to provide a temperature control cabinet to solve the problem of poor sound insulation effect of the existing control cabinet.

[0006] In order to solve the above technical problems, the present invention provides a temperature control cabinet, comprising an outer shell and an air inlet shell and an air outlet shell installed in the outer shell, the outer shell is provided with an air inlet and an air outlet, the air inlet shell is provided with an air inlet cavity connected to the air inlet, the air inlet cavity is provided with an air inlet fan, the air outlet shell is provided with an air outlet cavity connected to the air outlet, the air outlet cavity is provided with an air outlet fan, the air inlet cavity is connected to the air outlet cavity and a heat exchanger is provided at the connection, the heat exchanger isolates the air inlet cavity and the air outlet cavity and is used for air to flow through, and a sound insulation gap is provided between the air inlet shell and / or the air outlet shell and the outer shell.

[0007] Preferably, the air inlet and the air outlet are respectively arranged on both sides of the top of the outer shell, the air inlet shell and the air outlet shell are respectively arranged on both sides inside the outer shell, and the lower end of the air inlet cavity is connected to the lower end of the air outlet cavity.

[0008] Preferably, the air inlet fan is arranged at the upper end of the air inlet cavity, and the air outlet fan is arranged in the middle of the air outlet cavity.

[0009] Preferably, a supporting beam is provided in the sound insulation gap, one side of the supporting beam is fixed to the inner wall of the outer shell through a connecting piece, and the other side of the supporting beam is fixed to the outer wall of the air inlet shell or the outer wall of the air outlet shell through a connecting piece, and gaskets are provided on both sides of the supporting beam.

[0010] Preferably, a space is provided between the side walls opposite to the air outlet shell of the air inlet shell, and second vents that are interconnected are provided at the lower ends of the side walls opposite to the air inlet shell and the air outlet shell, and the heat exchanger is provided at the lower end of the air inlet cavity and close to the second vent.

[0011] Preferably, a sealing strip surrounding the second vent is filled between the opposite side walls of the air inlet housing and the air outlet housing and is fixed by fasteners.

[0012] Preferably, a connecting shell is installed in the outer shell, a connecting cavity is provided in the connecting shell, both sides of the upper end of the connecting cavity are respectively connected to the lower end of the air inlet cavity and the lower end of the air outlet cavity, and the sound insulation gap is provided between the connecting shell and the outer shell.

[0013] Preferably, a space is provided between the bottom surface of the air inlet shell and the bottom surface of the air outlet shell and the top surface of the connecting shell, and a third ventilating port which is interconnected is provided between the air inlet shell and the connecting shell, and a fourth ventilating port which is interconnected is provided between the air outlet shell and the connecting shell, and the heat exchanger is provided in the connecting cavity and is inclined close to the third ventilating port.

[0014] Preferably, sealing strips are provided between the bottom surface of the air inlet shell and the bottom surface of the air outlet shell and the top surface of the connecting shell, and two groups of the sealing strips respectively surround the third vent and the fourth vent and are fixed by fasteners.

[0015] Preferably, sound-absorbing cotton is installed in the sound-insulating gap.

[0016] The present invention provides a temperature control cabinet, comprising an outer shell and an air inlet shell and an air outlet shell installed in the outer shell, the outer shell is provided with an air inlet and an air outlet, the air inlet shell is provided with an air inlet cavity connected to the air inlet, the air outlet shell is provided with an air outlet cavity connected to the air outlet, the air inlet cavity is connected to the air outlet cavity, and an air flow channel is formed in which air passes through the air inlet, the air inlet cavity, the air outlet cavity and the air outlet in sequence, wherein an air inlet fan is provided in the air inlet cavity, and an air outlet fan is provided in the air outlet cavity, to provide power for air flow and ensure the direction of air flow, and a heat exchanger is provided at the connection between the air inlet cavity and the air outlet cavity, the heat exchanger isolates the air inlet cavity and the air outlet cavity and is used for air to flow through, so as to realize air temperature control, and a sound insulation gap is provided between the air inlet shell and the outer shell, and a sound insulation gap is provided between the air outlet shell and the outer shell.

[0017] The outer shell is separately arranged from the air inlet shell and the air outlet shell, so that a sound insulation gap is provided between the outer shell and the shell. The sound insulation gap can consume sound waves, improve the sound insulation effect, form a multi-layer structure to realize multiple noise reduction layers, and arrange the two fans in two cavities respectively, and install the noise source in the cavity to realize multiple wrapping of the noise source, while avoiding mutual interference between the two fans and sound superposition, effectively reducing noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] FIG1 is a schematic diagram of the internal structure of a temperature control cabinet according to a first embodiment of the present invention;

[0019] FIG2 is a schematic diagram of the internal structure of a second embodiment of the temperature control cabinet provided by the present invention;

[0020] FIG3 is a partial enlarged view of a portion A in the second embodiment of the temperature control cabinet provided by the present invention;

[0021] FIG4 is a schematic diagram of the internal structure of a third embodiment of the temperature control cabinet provided by the present invention;

[0022] FIG5 is a partial enlarged view of point B in the third embodiment of the temperature control cabinet provided by the present invention.

[0023] Among them, the outer shell 1, the air inlet shell 2, the air inlet cavity 21, the air inlet pipe 22, the air outlet shell 3, the air outlet cavity 31, the air outlet pipe 32, the air inlet fan 4, the air outlet fan 5, the heat exchanger 6, the sound insulation gap 7, the sealing strip 8, the connecting shell 9, and the connecting cavity 91. DETAILED DESCRIPTION

[0024] The purpose of the present invention is to provide a temperature control cabinet to solve the problem of poor sound insulation effect of the existing control cabinet.

[0025] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Please refer to FIG. 1 , which is a schematic diagram of the internal structure of a first embodiment of a temperature control cabinet provided by the present invention.

[0027] A specific embodiment of the present invention provides a temperature control cabinet, including a shell 1 and an air inlet shell 2 and an air outlet shell 3 installed in the shell 1, the shell 1 is provided with an air inlet and an air outlet, the air inlet shell 2 is provided with an air inlet cavity 21 connected to the air inlet, the air outlet shell 3 is provided with an air outlet cavity 31 connected to the air outlet, the air inlet cavity 21 is connected to the air outlet cavity 31, and an air flow channel is formed in which air passes through the air inlet, the air inlet cavity 21, the air outlet cavity 31 and the air outlet in sequence, wherein an air inlet fan 4 is provided in the air inlet cavity 21, and an air outlet fan 4 is provided in the air inlet cavity 21. An outlet fan 5 is provided in the cavity 31 to provide power for air flow and ensure the direction of air flow. A heat exchanger 6 is provided at the connection between the air inlet cavity 21 and the air outlet cavity 31. The heat exchanger 6 isolates the air inlet cavity 21 and the air outlet cavity 31 and is used for air to flow through. The two cavities are separated to a certain extent by the heat exchanger 6. Although air can still flow through the heat exchanger 6, the heat exchanger 6 can make the air inlet cavity 21 and the air outlet cavity 31 independent of each other to a certain extent, thereby reducing the mutual influence of the fans respectively provided in the two cavities. The heat exchanger 6 realizes air temperature control. A sound insulation gap 7 is provided between the air inlet housing 2 and the outer shell 1, and a sound insulation gap 7 is provided between the air outlet housing 3 and the outer shell 1. The housing 1 may be a rectangular cabinet structure, including a bottom plate, two side plates, a front panel, a rear panel and a top plate, wherein the front panel and the rear panel are cabinet doors that can be opened and closed, and the panels are assembled to form a rectangular box body, and the air inlet housing 2 and the air outlet housing 3 form an inner tank structure disposed in the box body. Preferably, the air inlet housing 2 and the air outlet housing 3 are formed by welding, so that it is not easy to form a sound leakage point.

[0028] The outer shell 1 is separately arranged from the air inlet shell 2 and the air outlet shell 3, so that a sound insulation gap 7 is arranged between the outer shell 1 and the shell. The sound insulation gap 7 can consume sound waves and improve the sound insulation effect, forming a multi-layer structure to realize multiple noise reduction layers, and the two fans are arranged in two cavities respectively, and the noise source is installed in the cavity to realize multiple wrapping of the noise source, while avoiding mutual interference between the two fans and sound superposition, effectively reducing noise.

[0029] In the temperature control cabinet provided in the specific embodiment of the present invention, the air inlet and the air outlet are respectively arranged on both sides of the top of the housing 1, and the air inlet and the air outlet of the equipment are arranged separately to ensure that the airflow enters and exits one by one without interfering with each other. Further, the air inlet shell 2 and the air outlet shell 3 are respectively arranged on both sides of the inside of the housing 1, and the air inlet cavity 21 can be directly connected to the air inlet, and the air outlet cavity 31 can be directly connected to the air outlet, and in order to realize a complete airflow channel, the lower end of the air inlet cavity 21 is connected to the lower end of the air outlet cavity 31.

[0030] Specifically, an air inlet pipe 22 passing through the air inlet is provided at the upper end of the air inlet housing 2, and an air outlet pipe 32 passing through the air outlet is provided at the upper end of the air outlet housing 3. The upper end of the air inlet housing 2 gradually converges upward to form an air inlet pipe 22 having a diameter smaller than the size of the air inlet housing 2. The size of the air inlet pipe 22 matches the size of the air inlet. When installed, the air inlet pipe 22 passes through the air inlet and is sealed. An external pipeline can be set to connect the air inlet pipe 22. Similarly, the upper end of the air outlet housing 3 gradually converges upward to form an air outlet pipe 32 having a diameter smaller than the size of the air outlet housing 3. The size of the air outlet pipe 32 matches the size of the air outlet. When installed, the air outlet pipe 32 passes through the air outlet and is sealed. An external pipeline can be set to connect the air outlet pipe 32.

[0031] Preferably, the air inlet cavity 21 and the air outlet cavity 31 are both vertical channels, the air inlet fan 4 is arranged at the upper end of the air inlet cavity 21, and the air outlet fan 5 is arranged in the middle of the air outlet cavity 31, so that the gas flows vertically downward first, then turns horizontally, and then flows out vertically upward.

[0032] Among them, the air inlet housing 2 and the air outlet housing 3 are vertically arranged rectangular parallelepiped housings, which can be installed in cooperation with each other in the rectangular parallelepiped box, reasonably utilize the space and ensure the channel size. The shape and arrangement position of each housing can also be adjusted according to the situation, such as the air inlet housing 2 and the air outlet housing 3 are horizontally arranged cylindrical housings, the gas flow direction is horizontal inflow and outflow, the air inlet and the air outlet are arranged on the outer side 1, or various methods are combined, all within the protection scope of the present invention.

[0033] In order to ensure the stable connection of the fan, an air inlet bracket for hanging the air inlet fan 4 is installed at the upper end of the air inlet cavity 21, and air outlet brackets for supporting the air outlet fan 5 are arranged on the left and right in the middle of the air outlet cavity 31. In order to improve the support stability, a supporting crossbeam is arranged in the sound insulation gap 7, and the inner side of the supporting crossbeam is fixed to the inner wall of the shell 1 through a connecting piece, and the other side of the supporting crossbeam is fixed to the outer wall of the air inlet shell 2 or the outer wall of the air outlet shell 3 through a connecting piece, that is, a plurality of supporting crossbeams form a supporting frame structure in the shell 1, respectively connecting the shell 1 and the internal air inlet shell 2 or air outlet shell 3, to prevent the air inlet shell 2 and the air outlet shell 3 from colliding and shaking in the shell 1, wherein the connecting piece can be a bolt or a rivet, etc. Further, gaskets are arranged on both sides of the supporting crossbeam, that is, gaskets are arranged at the position where the supporting crossbeam contacts the shell for buffering, and the gaskets have a certain elasticity to prevent the internal vibration from being transmitted to the outside, thereby improving the mute effect.

[0034] In the first embodiment, the air inlet housing 2 and the air outlet housing 3 are arranged in parallel, and then there are two side walls close to each other and arranged opposite to each other, so that the two side walls fit each other. Of course, the position where the air inlet housing 2 and the air outlet housing 3 fit each other can also share a side wall. Furthermore, the lower ends of the opposite side walls of the air inlet housing 2 and the air outlet housing 3 are both provided with notches, and the two notches are relatively connected to each other to form a first vent. When a side wall is shared, a notch is provided at the lower end of the shared side wall to form the first vent, so as to realize the connection between the lower ends of the air inlet cavity 21 and the air outlet cavity 31, and the heat exchanger 6 is provided at the lower end of the air inlet cavity 21 and close to the first vent.

[0035] Please refer to FIG. 2 and FIG. 3 , FIG. 2 is a schematic diagram of the internal structure of the second embodiment of the temperature control cabinet provided by the present invention; FIG. 3 is a partial enlarged view of the A portion of the second embodiment of the temperature control cabinet provided by the present invention;

[0036] In the second embodiment, the air inlet housing 2 and the air outlet housing 3 are arranged in parallel, and then there will be two side walls close to each other and arranged opposite to each other, so that the two side walls are separated from each other to form a space interval. Since the two fans are placed in the two housings respectively, a space interval is set in the two housings at the same time, forming a multi-layer isolation structure, further improving the noise reduction effect. The lower ends of the opposite side walls of the air inlet housing 2 and the air outlet housing 3 are both provided with notches, and the two notches are relatively connected to each other to form a second vent, so as to realize the connection between the lower ends of the air inlet cavity 21 and the air outlet cavity 31, and the heat exchanger 6 is arranged at the lower end of the air inlet cavity and close to the second vent.

[0037] Preferably, in order to improve the sealing effect, a sealing strip 8 is filled in the above-mentioned space interval, that is, a sealing strip 8 surrounding the second vent is filled between the opposite side walls of the air inlet housing 2 and the air outlet housing 3, and is fixed by fasteners to prevent air from entering the gap between the two housings to ensure the sealing effect. The fasteners may be screws, or other components such as rivets.

[0038] Please refer to Figures 4 and 5. Figure 4 is a schematic diagram of the internal structure of the third embodiment of the temperature control cabinet provided by the present invention; Figure 5 is a partial enlarged view of point B in the third embodiment of the temperature control cabinet provided by the present invention.

[0039] In the third embodiment, the air inlet housing 2 and the air outlet housing 3 are arranged in parallel, and then there will be two side walls close to each other and arranged oppositely, so that the two side walls are separated from each other to form a space interval. Since the two fans are placed in the two housings respectively, a space interval is set in the two housings at the same time, forming a multi-layer isolation structure, which further improves the noise reduction effect. At the same time, a connecting housing 9 is installed in the outer shell 1. The connecting housing 9 is located at the lower end of the inner shell 1. A connecting cavity 91 is set in the connecting housing 9. The two sides of the upper end of the connecting cavity 91 are connected to the lower end of the air inlet cavity 21 and the lower end of the air outlet cavity 31 respectively, forming an air flow channel in which air passes through the air inlet, the air inlet cavity 21, the connecting cavity 91, the air outlet cavity 31 and the air outlet in sequence. A sound insulation gap 7 is set between the connecting housing 9 and the outer shell 1 to ensure the sound insulation effect.

[0040] Specifically, a space gap is provided between the bottom surface of the air inlet shell 2 and the top surface of the connecting shell 9, a space gap is provided between the bottom surface of the air outlet shell 3 and the top surface of the connecting shell 9, and a third ventilating port that is interconnected is provided between the air inlet shell 2 and the connecting shell 9, a fourth ventilating port that is interconnected is provided between the air outlet shell 3 and the connecting shell 9, and the heat exchanger 6 is provided in the connecting cavity 91 and close to the third ventilating port.

[0041] In order to improve the sealing effect, a sealing strip 8 is filled in the above-mentioned space interval, and a sealing strip 8 is arranged between the bottom surface of the air inlet housing 2 and the bottom surface of the air outlet housing 3 and the top surface of the connecting housing 9. Two sets of sealing strips 8 surround the third vent and the fourth vent respectively and are fixed by fasteners. Prevent air from entering the gap between the two housings to ensure the sealing effect. The fasteners can be screws, or other components such as rivets.

[0042] In the temperature control cabinet provided in the specific embodiment of the present invention, multiple groups of air inlet housings 2 and air outlet housings 3 arranged in parallel are installed in the shell 1. Specifically, two air inlet housings 2 and two air outlet housings 3 can be installed in the shell 1, and two air inlets and two air outlets are arranged at the upper end of the shell 1, which are respectively arranged at the four corners of the upper end surface of the shell 1.

[0043] Preferably, the heat exchanger 6 is arranged at an angle, that is, there is an angle between the air inlet surface of the heat exchanger 6 and the air inlet direction, which is equivalent to increasing the contact area and improving the heat exchange effect. The heat exchanger 6 can also be arranged vertically or horizontally, with the air inlet surface of the heat exchanger 6 perpendicular to the horizontal direction or perpendicular to the air inlet direction.

[0044] On the basis of the temperature control cabinet provided in the above-mentioned specific embodiments, sound-absorbing cotton is installed in the sound-insulating gap 7 to further enhance the sound absorption and noise reduction effect.

[0045] The temperature control cabinet provided by the present invention is introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A temperature control cabinet, characterized in that: The invention comprises an outer shell (1), an air inlet shell (2) and an air outlet shell (3) installed in the outer shell (1); the outer shell (1) is provided with an air inlet and an air outlet; the air inlet shell (2) is provided with an air inlet cavity (21) connected to the air inlet; the air inlet cavity (21) is provided with an air inlet fan (4); the air outlet shell (3) is provided with an air outlet cavity (31) connected to the air outlet; the air outlet cavity (31) is provided with an air outlet fan (5); the air inlet cavity (21) is connected to the air outlet cavity (31) and a heat exchanger (6) is provided at the connection; the heat exchanger (6) isolates the air inlet cavity (21) and the air outlet cavity (31) and is used for air to flow through; a sound insulation gap (7) is provided between the air inlet shell (2) and / or the air outlet shell (3) and the outer shell (1).

2. The temperature control cabinet according to claim 1, characterized in that: The air inlet and the air outlet are respectively arranged on two sides of the top end of the outer shell (1); the air inlet shell (2) and the air outlet shell (3) are respectively arranged on two sides inside the outer shell (1); and the lower end of the air inlet cavity (21) is connected to the lower end of the air outlet cavity (31).

3. The temperature control cabinet according to claim 2, characterized in that: The air inlet fan (4) is arranged at the upper end of the air inlet cavity (21), and the air outlet fan (5) is arranged at the middle of the air outlet cavity (31).

4. The temperature control cabinet according to claim 2, characterized in that: A supporting crossbeam is provided in the sound insulation gap (7), one side of the supporting crossbeam is fixed to the inner wall of the outer shell (1) via a connecting piece, and the other side of the supporting crossbeam is fixed to the outer wall of the air inlet shell (2) or the outer wall of the air outlet shell (3) via a connecting piece, and gaskets are provided on both sides of the supporting crossbeam.

5. The temperature control cabinet according to claim 2, characterized in that: A space is provided between the side walls of the air inlet housing (2) and the air outlet housing (3) opposite to each other, and second vents that are in communication with each other are provided at the lower ends of the side walls of the air inlet housing (2) and the air outlet housing (3), and the heat exchanger (6) is arranged at the lower end of the air inlet cavity and close to the second vent.

6. The temperature control cabinet according to claim 5, characterized in that: A sealing strip (8) surrounding the second vent is filled between the opposite side walls of the air inlet housing (2) and the air outlet housing (3) and is fixed by fasteners.

7. The temperature control cabinet according to claim 2, characterized in that: A connecting shell (9) is installed in the outer shell (1), and a connecting cavity (91) is arranged in the connecting shell (9), and the two sides of the upper end of the connecting cavity (91) are respectively connected to the lower end of the air inlet cavity (21) and the lower end of the air outlet cavity (31), and the sound insulation gap (7) is arranged between the connecting shell (9) and the outer shell (1).

8. The temperature control cabinet according to claim 7, characterized in that: A space is provided between the bottom surface of the air inlet shell (2) and the bottom surface of the air outlet shell (3) and the top surface of the connecting shell (9), and a third ventilating port that is in communication with each other is provided between the air inlet shell (2) and the connecting shell (9), and a fourth ventilating port that is in communication with each other is provided between the air outlet shell (3) and the connecting shell (9), and the heat exchanger (6) is provided in the connecting cavity (91) and is inclined close to the third ventilating port.

9. The temperature control cabinet according to claim 8, characterized in that: Sealing strips (8) are provided between the bottom surface of the air inlet housing (2) and the bottom surface of the air outlet housing (3) and the top surface of the connecting housing (9), and two groups of the sealing strips (8) surround the third ventilation opening and the fourth ventilation opening respectively and are fixed by fasteners.

10. The temperature control cabinet according to any one of claims 1 to 9, characterized in that: Sound-absorbing cotton is installed in the sound-insulating gap (7).

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