CN218483121U - Semiconductor refrigerating system for control cabinet - Google Patents
Semiconductor refrigerating system for control cabinet Download PDFInfo
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- CN218483121U CN218483121U CN202221714284.7U CN202221714284U CN218483121U CN 218483121 U CN218483121 U CN 218483121U CN 202221714284 U CN202221714284 U CN 202221714284U CN 218483121 U CN218483121 U CN 218483121U
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- control cabinet
- semiconductor refrigerating
- temperature controller
- temperature
- semiconductor
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Abstract
The utility model relates to a semiconductor refrigeration system used by a control cabinet, which consists of a control cabinet (1), a semiconductor refrigeration device (2) and a temperature controller (3), wherein the front of the control cabinet (1) is provided with a hole, the temperature controller (3) is fixed on the control cabinet (1) through screws and is sealed, the side of the control cabinet (1) is provided with a hole, and the semiconductor refrigeration device (2) is fixed on the control cabinet (1) through screws and is sealed; semiconductor refrigerating plant (2) comprises semiconductor refrigeration piece (6), cold junction heat abstractor (7), hot junction heat abstractor (8), the utility model discloses the device can realize installing on a large scale, especially uses in the abominable, high scene of ambient temperature of operational environment, and the effect is very showing, and the life of greatly increased equipment has effectually improved the operational environment of the temperature in switch board (1) and internal plant to improve the safety and stability of switch board (1) inside electronic equipment and component.
Description
The technical field is as follows:
the utility model relates to a semiconductor refrigerating system that switch board used.
Background art:
the control cabinet is widely used in modern industrial production, and because some controllers or frequency converters needing heat dissipation are often installed in the control cabinet, a large amount of heat can be generated in the operation process of the devices, and in the past, an air inlet and an exhaust fan are respectively installed on a cabinet body to dissipate heat in the cabinet. The heat dissipation needs to be followed the outside and is being admitted air in the cabinet, through fan exhaust heat, this makes in dust, buggy, high-temperature air etc. get into the cabinet, causes the damage to electronic equipment, influences equipment steady operation.
The invention content is as follows:
the utility model aims at providing a semiconductor refrigerating system that switch board used has sealed good, the refrigeration is fast, simple to operate, maintain advantages such as simple, the combination scheme is nimble, do not account for the space.
The technical scheme of the utility model:
the utility model relates to a semiconductor refrigerating system that switch board used, by switch board (1), semiconductor refrigerating plant (2), temperature controller (3) constitution, trompil in the front of switch board (1), fix temperature controller (3) on switch board (1) and do the sealing treatment through the screw, trompil in the side of switch board (1), fix semiconductor refrigerating plant (2) on switch board (1) and do the sealing treatment through the screw; the semiconductor refrigerating device (2) is composed of a semiconductor refrigerating sheet (6), a cold-end heat dissipation device (7) and a hot-end heat dissipation device (8), the cold-end heat dissipation device (7) is installed at the refrigerating end of the semiconductor refrigerating sheet (6), and the hot-end heat dissipation device (8) is installed at the heating end of the semiconductor refrigerating sheet (6); the DC12V power supply module (9) is arranged inside the control cabinet (1); the DC12V power module (9) in the cabinet gets electricity from AC220V in the switch board (1) to convert the mains voltage into the DC12V power that semiconductor refrigerating plant (2) can use, DC12V power module (9) are through 2 x 2.5 square copper core soft sheath line connection temperature controller's (3) power side, and temperature controller (3) output and semiconductor refrigeration piece (6) are through 2 x 2.5 square copper core soft sheath line connection.
The semiconductor refrigerating device is characterized in that a DC12V power supply module (9) used by the semiconductor refrigerating device (2) is installed inside a control cabinet (1) and is powered by an AC220V power supply in the control cabinet (1), the output end of the DC12V power supply module (9) is connected with a power supply terminal of a temperature controller (3), the output end of the temperature controller (3) is connected with a power line of the semiconductor refrigerating device (2), the start and stop of the semiconductor refrigerating device are controlled by the temperature controller (3), when the temperature in the control cabinet (1) reaches a starting temperature set by the temperature controller (3), the temperature controller (3) supplies power to the semiconductor refrigerating device (2) to enable the semiconductor refrigerating device to work, a cold end heat dissipation device (7) of a semiconductor refrigerating piece (6) starts refrigerating and circulates and cools air in the control cabinet (1) by a fan, a hot end heat dissipation device (8) of the semiconductor refrigerating piece (6) discharges heat, and when the temperature in the control cabinet (1) reaches a stopping temperature set by the temperature (3), the semiconductor refrigerating device (2) is powered off by the temperature controller (3).
The utility model discloses the theory of operation:
the semiconductor refrigerating sheet (6) has the working principle that energy required by electron current is provided by a direct current power supply, after the power supply is switched on, an electron cathode (-) starts to emit heat, firstly, the heat is absorbed by one end of the semiconductor, and then the heat is released by the other end of the semiconductor, every time a cycle is carried out, the heat is sent to the outside from one side and forms a cold and hot end by causing temperature difference, the maximum temperature difference can reach 60 ℃, and the application range of the working environment temperature is-55 ℃ to 83 ℃.
The utility model discloses install DC12V power module (9) that semiconductor refrigerating plant (2) used inside switch board (1), and get the electricity from the AC220V power in switch board (1), then the output and temperature controller (3) power supply terminal of DC12V power module (9) are connected, temperature controller (3) output and semiconductor refrigerating plant (2) power cord are connected, it opens and stops to control by temperature controller (3), after the temperature reaches the start-up temperature that temperature controller (3) set for in switch board (1), temperature controller (3) make its work for semiconductor refrigerating plant (2) power supply, cold junction heat abstractor (7) by refrigeration piece (6) begin to refrigerate and refrigerate switch board (1) inside air circulation by the fan, and hot junction heat abstractor (8) of semiconductor refrigeration piece (6) discharge the heat, after the temperature reaches the stop temperature that temperature controller (3) set for in switch board (1), semiconductor refrigerating plant (2) outage by temperature controller (3), this temperature control work temperature circulation is reached its inside.
Whole refrigeration process, the air in the switch board does not contact with the external world, can reach and keep apart completely with the external world, therefore the operational environment of the electronic component in the switch board can effectual control, and then the life of extension equipment.
The utility model discloses technological effect:
the utility model discloses can control the temperature of the equipment that generates heat in switch board (1) well and realize effectual sealedly, thoroughly isolated influence and harm to switch board (1) internal plant such as outside dust, buggy, high temperature ambient temperature to have sealed, refrigerate fast, simple to operate, maintain advantages such as simple, the combination scheme is nimble, do not account for the space. The temperature control in the control cabinet (1) can be realized only by setting the temperature of the temperature controller (3) on the control cabinet (1) by operating personnel, and the maintenance personnel only need to regularly sweep and remove dust for the radiating fins on the hot end radiating device (8) on the semiconductor refrigerating device (2) exposed outside the control cabinet (1).
The semiconductor refrigerating device (2) of the utility model has the maximum temperature difference of the cold end and the hot end of 60 ℃, the application range of the temperature of the working environment is between-55 ℃ and 83 ℃, and the application environment on site is satisfied.
The utility model discloses obtained practical application in production work, especially used in the scene that operational environment is abominable, ambient temperature is high, the effect is showing very much, the life of greatly increased equipment, the effectual operational environment who improves the temperature in switch board (1) and internal device to improve the safety and stability nature of switch board (1) inside electronic equipment and component.
Description of the drawings:
fig. 1 is a schematic structural diagram of the embodiment of the present invention.
FIG. 2 is a left side view of the embodiment of the present invention
Fig. 3 is a schematic view of a semiconductor refrigeration device.
Fig. 4 is a wiring diagram of the semiconductor refrigeration device.
The specific implementation mode is as follows:
as shown in fig. 1, a semiconductor refrigeration system used for a control cabinet comprises a control cabinet 1, a semiconductor refrigeration device 2 and a temperature controller 3, wherein a hole is formed in the front surface of the control cabinet 1, the temperature controller 3 is fixed on the control cabinet 1 through a screw and is subjected to sealing treatment, as shown in fig. 2, a hole is formed in the side surface of the control cabinet 1, and the semiconductor refrigeration device 2 is fixed on the control cabinet 1 through a screw and is subjected to sealing treatment; as shown in fig. 3, the semiconductor refrigeration device 2 is composed of a semiconductor refrigeration sheet 6, a cold-end heat dissipation device 7 and a hot-end heat dissipation device 8, the cold-end heat dissipation device 7 is installed at the refrigeration end of the semiconductor refrigeration sheet 6, and the hot-end heat dissipation device 8 is installed at the heating end of the semiconductor refrigeration sheet 6; the DC12V power supply module 9 is arranged inside the control cabinet 1; the DC12V power module 9 in the cabinet gets electricity from AC220V in the switch board 1 to convert mains voltage into the DC12V power that semiconductor refrigerating plant 2 can use, DC12V power module 9 is through 2X 2.5 square copper core soft sheath line connection temperature controller 3's power side, and 3 output of temperature controller are connected through 2X 2.5 square copper core soft sheath line with semiconductor refrigeration piece 6.
The DC12V power module 9 used by the semiconductor refrigerating device 2 is installed inside the control cabinet 1, and gets power from the AC220V power in the control cabinet 1, then the output end of the DC12V power module 9 is connected with the power terminal of the temperature controller 3, the output end of the temperature controller 3 is connected with the power line of the semiconductor refrigerating device 2, as shown in figure 4, the start and stop of the semiconductor refrigerating device are controlled by the temperature controller 3, when the temperature in the control cabinet 1 reaches the starting temperature set by the temperature controller 3, the temperature controller 3 supplies power to the semiconductor refrigerating device 2 to enable the semiconductor refrigerating device to work, the cold end heat dissipation device 7 of the semiconductor refrigerating sheet 6 starts to refrigerate and the air in the control cabinet 1 is circularly refrigerated by the fan, the hot end heat dissipation device 8 of the semiconductor refrigerating sheet 6 discharges heat, when the temperature in the control cabinet 1 reaches the stopping temperature set by the temperature controller 3, the temperature controller 3 cuts off the power of the semiconductor refrigerating device 2 to complete the temperature control work, and the effect of controlling the internal temperature is achieved by circulation.
Claims (2)
1. A semiconductor refrigerating system for a control cabinet is characterized in that: the refrigerator is composed of a control cabinet (1), a semiconductor refrigerating device (2) and a temperature controller (3), wherein a hole is formed in the front face of the control cabinet (1), the temperature controller (3) is fixed on the control cabinet (1) through a screw and is subjected to sealing treatment, a hole is formed in the side face of the control cabinet (1), and the semiconductor refrigerating device (2) is fixed on the control cabinet (1) through a screw and is subjected to sealing treatment; the semiconductor refrigerating device (2) is composed of a semiconductor refrigerating sheet (6), a cold-end heat dissipation device (7) and a hot-end heat dissipation device (8), the cold-end heat dissipation device (7) is installed at the refrigerating end of the semiconductor refrigerating sheet (6), and the hot-end heat dissipation device (8) is installed at the heating end of the semiconductor refrigerating sheet (6); the DC12V power supply module (9) is arranged inside the control cabinet (1); the DC12V power module (9) in the cabinet gets electricity from AC220V in the switch board (1) to convert the mains voltage into the DC12V power that semiconductor refrigerating plant (2) can use, DC12V power module (9) are through 2 x 2.5 square copper core soft sheath line connection temperature controller's (3) power side, and temperature controller (3) output and semiconductor refrigeration piece (6) are through 2 x 2.5 square copper core soft sheath line connection.
2. The semiconductor refrigeration system for control cabinets of claim 1, wherein: the semiconductor refrigerating device is characterized in that a DC12V power supply module (9) used by the semiconductor refrigerating device (2) is installed in a control cabinet (1) and gets electricity from an AC220V power supply in the control cabinet (1), the output end of the DC12V power supply module (9) is connected with a power supply terminal of a temperature controller (3), the output end of the temperature controller (3) is connected with a power line of the semiconductor refrigerating device (2), the start and stop of the semiconductor refrigerating device are controlled by the temperature controller (3), when the temperature in the control cabinet (1) reaches a starting temperature set by the temperature controller (3), the temperature controller (3) supplies power to the semiconductor refrigerating device (2) to enable the semiconductor refrigerating device to work, a cold end heat dissipation device (7) of a semiconductor refrigerating sheet (6) starts refrigerating and a fan circularly refrigerates air in the control cabinet (1), a hot end heat dissipation device (8) of the semiconductor refrigerating sheet (6) discharges heat, and when the temperature in the control cabinet (1) reaches a stopping temperature set by the temperature (3), the semiconductor refrigerating device (2) is powered off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221714284.7U CN218483121U (en) | 2022-06-29 | 2022-06-29 | Semiconductor refrigerating system for control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221714284.7U CN218483121U (en) | 2022-06-29 | 2022-06-29 | Semiconductor refrigerating system for control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218483121U true CN218483121U (en) | 2023-02-14 |
Family
ID=85164231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221714284.7U Active CN218483121U (en) | 2022-06-29 | 2022-06-29 | Semiconductor refrigerating system for control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218483121U (en) |
-
2022
- 2022-06-29 CN CN202221714284.7U patent/CN218483121U/en active Active
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