Totally-closed self-circulation water-cooling frequency converter cabinet
Through the design of a fully enclosed self-circulation water-cooled inverter cabinet, combined with cooling blocks and heat sinks in high-temperature and low-temperature zones, an airflow circulation channel is formed, which solves the impact of harsh environment on the performance of the inverter, achieves efficient cooling and heat dissipation, and reduces costs and complexity.
Patent Information
- Application Number
- CN202420739958.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2024-12-06
- Estimated Expiration
- 2034-04-11
AI Technical Summary
Existing inverters are susceptible to dust in harsh environments, the closed air-cooled inverter has poor cooling effect, the water-cooled inverter has complex process and high cost, and lacks low-cost solutions for effective cooling and heat dissipation.
A fully enclosed self-circulation water-cooled inverter cabinet is designed, using a combination of cooling blocks and heat sinks in high-temperature and low-temperature zones. The cooling water pipe runs through the box to form an airflow circulation channel, a partition is used to separate the functional area and the cooling area, and a sealing strip. And door locks ensure a closed structure and reduce external environmental impact.
Effectively isolate the external environment, improves the cooling and heat dissipation effect, ensures the appropriate temperature environment of the inverter during operation, has high safety performance, simple processing and low cost.
Smart Images
Figure CN222128582U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a frequency converter cabinet, in particular to a fully enclosed self-circulating water-cooled frequency converter cabinet, which is mainly used for cooling the frequency converter. Background Art
[0002] A frequency converter is an electric power control device that controls the operation of an AC motor by changing the frequency of the motor's operating power supply. The frequency converter cabinet is used to place the frequency converter so that the frequency converter can be in a more suitable working environment and ensure better performance of the frequency converter.
[0003] The commonly used inverters currently have the following main problems: 1. When the working environment is poor and there is a lot of dust, charged dust can easily enter the inverter, thus affecting the performance of the inverter and even causing the inverter to explode; 2. Completely enclosed air-cooled inverters are prone to capacity reduction as the ambient temperature rises during use, thus affecting the performance of the inverter; 3. Water-cooled inverters have complex processes and high costs.
[0004] Currently, there is no inverter cabinet that can effectively reduce the impact of harsh environments on inverter performance, has good cooling and heat dissipation effects, is simple to process, and has low cost. Utility Model Content
[0005] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide a fully enclosed self-circulating water-cooled inverter cabinet with reasonable structural design, which can effectively reduce the impact of harsh environment on inverter performance, has good cooling and heat dissipation effect, is simple to process and has low cost.
[0006] The technical solution adopted by the utility model to solve the above-mentioned problem is: the fully enclosed self-circulating water-cooled frequency converter cabinet includes a box body, characterized in that it also includes a high-temperature zone cooling block, a high-temperature zone heat sink, a low-temperature zone cooling block, a low-temperature zone heat sink and a cooling water pipe, a functional area for installing the frequency converter and a cooling area for cooling are arranged in the box body, and the functional area and the cooling area form an air flow channel from the frequency converter air outlet of the frequency converter to the frequency converter air inlet of the frequency converter; the cooling area includes a high-temperature cooling area and a low-temperature cooling area; the high-temperature zone cooling block penetrates the wall surface of the box body and is fixed to the box body, the high-temperature zone heat sink is fixed to the high-temperature zone cooling block, the high-temperature zone heat sink is in the high-temperature cooling area of the box body, and the high-temperature zone heat sink is located at the frequency converter air outlet of the frequency converter; the low-temperature zone cooling block penetrates the wall surface of the box body and is fixed to the box body, the low-temperature zone heat sink is fixed to the low-temperature zone cooling block, and the low-temperature zone heat sink is in the low-temperature cooling area of the box body; cooling water pipes are fixed on both the high-temperature zone cooling block and the low-temperature zone cooling block.
[0007] Preferably, the fully enclosed self-circulating water-cooled inverter cabinet of the utility model further includes a partition, and the functional area and the cooling area in the cabinet are separated by the partition.
[0008] Preferably, the fully enclosed self-circulating water-cooled inverter cabinet of the utility model further includes a sealing strip, which is fixed on the inverter.
[0009] Preferably, the box body of the utility model is provided with a door panel, a door lock for locking the door panel to the box body, and a hinge for connecting the door panel to the box body; one side of the door panel is connected to the box body through a hinge, and the other side of the door panel cooperates with the box body through the door lock.
[0010] Preferably, the cooling water pipe of the utility model is formed by water channels for cooling water to flow, which are arranged inside the high-temperature zone cooling block and the low-temperature zone cooling block.
[0011] Preferably, the directions of the fins on the high-temperature zone heat sink and the low-temperature zone heat sink of the utility model are consistent with the direction of the air flow channel in the box.
[0012] Preferably, the door lock of the present invention is a triangular lock.
[0013] Preferably, 1 to 5 frequency converters are installed in the box of the utility model.
[0014] Preferably, the box body of the utility model is a closed structure.
[0015] Preferably, two frequency converters are installed in the box of the utility model.
[0016] Compared with the prior art, the utility model has the following advantages and effects: 1. The fully enclosed box can effectively isolate the outside world and reduce the impact of harsh environment on the performance of the inverter. 2. The secondary water cooling structure is adopted to improve the cooling and heat dissipation effect and ensure that the inverter is in a suitable temperature environment when working. 3. The cooling water pipe is located outside the box, and the inverter cabinet external water cooling structure is adopted, which is water-electricity isolated and has high safety performance. 4. The inverter cabinet is used to indirectly cool the ambient temperature, which is simple to process and low in cost.
[0017] When the inverter is running, the fan inside the inverter works, driving the gas flow in the box. The hot air flow is blown out from the inverter air outlet, passes through the high-temperature cooling zone, and is cooled once by the high-temperature heat sink. Then, it enters the low-temperature cooling zone along the air flow channel, and is cooled by the heat sink in the low-temperature zone. Finally, the cold air flow enters the inverter through the inverter air inlet, realizing air flow circulation. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the utility model and / or the technical solutions in the prior art, the drawings required for use in the embodiments and / or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 It is a three-dimensional structural schematic diagram of a fully enclosed self-circulating water-cooled inverter cabinet in an embodiment of the utility model.
[0020] Figure 2 It is a three-dimensional structural schematic diagram of another perspective of the fully enclosed self-circulating water-cooled inverter cabinet in the embodiment of the utility model.
[0021] Figure 3 It is a schematic diagram of the internal structure of a fully enclosed self-circulating water-cooled inverter cabinet in an embodiment of the utility model.
[0022] Figure 4 Yes Figure 3 A schematic diagram of the structure after sectioning some of the structures in FIG.
[0023] Figure 5 It is a schematic diagram of the internal structure of the fully enclosed self-circulating water-cooled inverter cabinet in the embodiment of the utility model from another perspective.
[0024] Figure 6 It is a schematic diagram of the internal structure of the fully enclosed self-circulating water-cooled inverter cabinet in the embodiment of the utility model from another perspective.
[0025] Figure 7 It is a schematic diagram of the air flow inside the fully enclosed self-circulating water-cooled inverter cabinet in the embodiment of the utility model flowing along the air flow channel.
[0026] In the figure: 1. door panel; 2. box body; 3. door lock; 4. hinge; 5. functional area; 6. high temperature cooling area; 7. low temperature cooling area; 8. high temperature area cooling block; 9. high temperature area heat sink; 10. low temperature area cooling block; 11. low temperature area heat sink; 12. inverter; 13. sealing strip; 14. inverter air outlet; 15. inverter air inlet; 16. cooling water pipe; 17. partition. DETAILED DESCRIPTION
[0027] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.
[0028] Example
[0029] See also Figures 1 to 7The fully enclosed self-circulating water-cooled inverter cabinet in this embodiment includes a box body 2, a high-temperature zone cooling block 8, a high-temperature zone heat sink 9, a low-temperature zone cooling block 10, a low-temperature zone heat sink 11, a sealing strip 13, a cooling water pipe 16 and a partition 17.
[0030] In the box body 2 in this embodiment, a functional area 5 for installing the inverter 12 and a cooling area for cooling are provided, and the functional area 5 and the cooling area in the box body 2 are usually separated by a partition 17. The functional area 5 and the cooling area form an air flow channel from the inverter air outlet 14 of the inverter 12 to the inverter air inlet 15 of the inverter 12, that is, the gas discharged from the inverter air outlet 14 can flow back to the inverter air inlet 15 along the air flow channel, and then flow from the inverter air inlet 15 to the inverter air outlet 14, and so on. The cooling area in this embodiment includes a high-temperature cooling area 6 and a low-temperature cooling area 7.
[0031] The high temperature zone cooling block 8 in this embodiment penetrates the wall of the box body 2 and is fixed to the box body 2, that is, the wall of the high temperature cooling zone 6 of the box body 2 is provided with an opening whose shape and size match the high temperature zone cooling block 8, the high temperature zone cooling block 8 is embedded in the opening, and the connection between the high temperature zone cooling block 8 and the box body 2 is sealed, so as to achieve the purpose of penetrating and fixing the high temperature zone cooling block 8 on the wall of the box body 2, one side of the high temperature zone cooling block 8 is exposed outside the box body 2, and the other side of the high temperature zone cooling block 8 is inside the box body 2. The high temperature zone heat sink 9 is fixed to the side of the high temperature zone cooling block 8 located inside the box body 2, and the high temperature zone heat sink 9 is in the high temperature cooling zone 6 of the box body 2. The high temperature zone heat sink 9 is located at the inverter air outlet 14 of the inverter 12, and the hot air blown out from the inverter air outlet 14 of the inverter 12 is directly blown onto the high temperature zone heat sink 9, thereby cooling the hot air blown out from the inverter air outlet 14.
[0032] The low temperature zone cooling block 10 in this embodiment penetrates the wall of the box 2 and is fixed to the box 2, that is, the wall of the low temperature cooling zone 7 of the box 2 is provided with an opening whose shape and size match the low temperature zone cooling block 10, the low temperature zone cooling block 10 is embedded in the opening, and the connection between the low temperature zone cooling block 10 and the box 2 is sealed, so as to achieve the purpose of penetrating and fixing the low temperature zone cooling block 10 on the wall of the box 2, one side of the low temperature zone cooling block 10 is exposed outside the box 2, and the other side of the low temperature zone cooling block 10 is inside the box 2. The low temperature zone heat sink 11 is fixed to the side of the low temperature zone cooling block 10 located inside the box 2, and the low temperature zone heat sink 11 is in the low temperature cooling zone 7 of the box 2. The hot air blown out from the inverter air outlet 14 of the inverter 12 is cooled by the high temperature zone heat sink 9, and then flows through the low temperature zone heat sink 11 of the low temperature cooling zone 7 along the air flow channel, thereby performing secondary cooling.
[0033] In this embodiment, cooling water pipes 16 are fixed on both the high temperature zone cooling block 8 and the low temperature zone cooling block 10. The cooling water pipes 16 can also be directly formed by using the water channels for cooling water flow provided inside the high temperature zone cooling block 8 and the low temperature zone cooling block 10, that is, the high temperature zone cooling block 8 and the low temperature zone cooling block 10 can be indirectly cooled by the cooling water pipes 16, or the water channels can be directly processed on the high temperature zone cooling block 8 and the low temperature zone cooling block 10, and cooled by passing water through the water channels themselves. The high temperature zone cooling block 8 and the low temperature zone cooling block 10 are cooled by the cooling water pipes 16, the high temperature zone cooling block 8 and the high temperature zone heat sink 9 are directly connected, and the low temperature zone cooling block 10 and the low temperature zone heat sink 11 are directly connected, so as to improve the heat dissipation efficiency.
[0034] The box body 2 in this embodiment is provided with a door panel 1, a door lock 3 and a hinge 4. One side of the door panel 1 is connected to the box body 2 through the hinge 4, and the other side of the door panel 1 cooperates with the box body 2 through the door lock 3. The door lock 3 is used to lock the door panel 1 on the box body 2, and the hinge 4 is used to connect the door panel 1 to the box body 2, and the door panel 1 can be opened and closed on the box body 2. The door lock 3 in this embodiment is usually a triangular lock, and the triangular lock and the hinge 4 are used to realize the opening and closing of the door panel 1 and the box body 2, which is convenient for users to adjust the parameters of the inverter 12. The box body 2 in this embodiment is a closed structure. When the inverter 12 inside the box body 2 needs to be connected to the outside through a line, the cable can be passed through the wire hole reserved in advance on the wall of the box body 2, and a sealing structure such as a sealing ring is provided between the wire hole and the cable.
[0035] The direction of the fins on the high temperature zone heat sink 9 and the direction of the fins on the low temperature zone heat sink 11 in this embodiment are consistent with the direction of the airflow channel in the box 2; the fins on the high temperature zone heat sink 9 and the fins on the low temperature zone heat sink 11 are parallel to the airflow direction, increasing the contact area and improving the heat dissipation efficiency. In this embodiment, 1 to 5 inverters 12 are usually installed in the box 2, preferably two inverters 12 are installed. The shape of the inverter 12 is usually irregular, and the sealing strip 13 is fixed on the inverter 12, and the sealing strip 13 is used for sealing.
[0036] When the fully enclosed self-circulating water-cooled inverter cabinet in this embodiment is in operation, the inverter 12 is started, and the fan inside the inverter 12 works, driving the gas flow in the box 2, and the hot air flow passes through the high-temperature cooling zone 6 from the inverter air outlet 14 and enters the low-temperature cooling zone 7, and finally the cold air flow enters the inverter air inlet 15 to realize air circulation. The high-temperature zone airflow and the low-temperature zone airflow in the inverter cabinet are circulated by the fan power of the inverter 12 itself, and there is no need to add an additional circulation fan inside the inverter cabinet.
[0037] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the utility model. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.
Claims
1. A fully enclosed self-circulating water-cooled inverter cabinet, comprising a cabinet (2), characterized in that: The cabinet (2) further comprises a high temperature zone cooling block (8), a high temperature zone heat sink (9), a low temperature zone cooling block (10), a low temperature zone heat sink (11) and a cooling water pipe (16); a functional zone (5) for installing a frequency converter (12) and a cooling zone for cooling are arranged in the cabinet (2); the functional zone (5) and the cooling zone form an air flow channel from a frequency converter air outlet (14) of the frequency converter (12) to a frequency converter air inlet (15) of the frequency converter (12); the cooling zone comprises a high temperature cooling zone (6) and a low temperature cooling zone (7); the high temperature zone cooling block (8) penetrates the wall of the cabinet (2) and is fixed to the cabinet (2). The high temperature zone heat sink (9) and the high temperature zone cooling block (8) are fixed, the high temperature zone heat sink (9) is in the high temperature cooling zone (6) of the box (2), and the high temperature zone heat sink (9) is located at the inverter air outlet (14) of the inverter (12); the low temperature zone cooling block (10) penetrates the wall of the box (2) and is fixed to the box (2), the low temperature zone heat sink (11) and the low temperature zone cooling block (10) are fixed, and the low temperature zone heat sink (11) is in the low temperature cooling zone (7) of the box (2); and cooling water pipes (16) are fixed to both the high temperature zone cooling block (8) and the low temperature zone cooling block (10).
2. The fully enclosed self-circulating water-cooled inverter cabinet according to claim 1 is characterized in that: The fully enclosed self-circulating water-cooled frequency converter cabinet further comprises a partition (17), and the functional area (5) and the cooling area in the cabinet (2) are separated by the partition (17).
3. The fully enclosed self-circulating water-cooled inverter cabinet according to claim 1 is characterized in that: The fully enclosed self-circulating water-cooled frequency converter cabinet further comprises a sealing rubber strip (13), wherein the sealing rubber strip (13) is fixed on the frequency converter (12).
4. The fully enclosed self-circulating water-cooled inverter cabinet according to claim 1 is characterized in that: The box body (2) is provided with a door panel (1), a door lock (3) for locking the door panel (1) on the box body (2), and a hinge (4) for connecting the door panel (1) to the box body (2); one side of the door panel (1) is connected to the box body (2) via the hinge (4), and the other side of the door panel (1) cooperates with the box body (2) via the door lock (3).
5. The fully enclosed self-circulating water-cooled inverter cabinet according to claim 1 is characterized in that: The cooling water pipe (16) is formed by a water channel provided inside the high-temperature zone cooling block (8) and the low-temperature zone cooling block (10) for the cooling water to flow.
6. The fully enclosed self-circulating water-cooled inverter cabinet according to claim 1 is characterized in that: The direction of the fins on the high-temperature zone heat sink (9) and the direction of the fins on the low-temperature zone heat sink (11) are both consistent with the direction of the air flow channel in the box body (2).
7. The fully enclosed self-circulating water-cooled inverter cabinet according to claim 4 is characterized in that: The door lock (3) is a triangular lock.
8. The fully enclosed self-circulating water-cooled inverter cabinet according to claim 1 is characterized in that: One to five frequency converters (12) are installed in the box (2).
9. The fully enclosed self-circulating water-cooled inverter cabinet according to claim 1 is characterized in that: The box body (2) is a closed structure.
10. The fully enclosed self-circulating water-cooled inverter cabinet according to claim 8, characterized in that: Two frequency converters (12) are installed in the box (2).