CN213152728U

CN213152728U - UPS forced air cooling heat abstractor

Info

Publication number: CN213152728U
Application number: CN202022343907.1U
Authority: CN
Inventors: 王海霞; 贾永胜; 马磊
Original assignee: Zhengzhou Zhengxing Electric Co ltd
Current assignee: Zhengzhou Zhengxing Electric Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-05-07
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a UPS air-cooled heat dissipation device, which comprises a shell, a circuit board, a power supply, a rectifier, a refrigeration sheet, a first exhaust fan and a second exhaust fan; the two ends of the circuit board are transversely clamped and fixed on the baffle plate, so that the interior of the shell is divided into an upper electrical element area and a lower equipment area, a fixing groove which vertically penetrates through the circuit board is formed in the end part of one side of the circuit board, the baffle plate and a limiting plate are respectively arranged on two sides of the bottom of the fixing groove, so that a clamping seat is formed at the bottom of the fixing groove, fins are vertically arranged on the cold end surface of the refrigerating sheet, the edges of the hot end surface of the refrigerating sheet are located on the clamping seat, corresponding air inlet holes and first exhaust fans are respectively arranged on the side wall of the shell close to and far away from the refrigerating sheet, and the second exhaust fan is arranged on the side wall of the equipment area and; the utility model discloses the structure is novel, has add the refrigeration piece, makes the air current that gets into in the casing have lower temperature, ensures the radiating effect of UPS power.

Description

UPS forced air cooling heat abstractor

Technical Field

The utility model belongs to the technical field of the UPS heat dissipation, concretely relates to UPS forced air cooling heat abstractor.

Background

The UPS is an alternating current type voltage stabilizer, when the mains supply input is normal, the UPS supplies the mains supply to a load for use after stabilizing the voltage of the mains supply, and simultaneously charges a battery in the UPS; when the commercial power is interrupted (power failure in accident), the UPS immediately supplies the direct current electric energy of the battery to the load by a method of switching and converting the inverter to continuously supply 220V alternating current to the load, so that the load keeps normal work and the software and hardware of the load are protected from being damaged. The rectifier, the circuit board and the power supply are stored in the UPS, the temperature of the UPS shell rises along with the discharging and charging of the storage battery and the working of the circuit board, the electrochemical reaction of the storage battery is accelerated along with the rising of the temperature in the UPS battery cabinet, the electrolyte is evaporated quickly, the polar plate is easy to damage and generate overcharge phenomenon, and the service life of the storage battery and the service life of the circuit board are seriously influenced.

The existing ordinary UPS power supply has a single heat dissipation structure function, but if the power of the storage battery is high when the storage battery is used, the temperature in the battery cabinet rises quickly, the UPS power supply is only subjected to circulating ventilation by the air inlet source at room temperature, and the heat dissipation mode improved by increasing the air flow in the shell cannot meet the requirement, so that the research on the UPS air-cooled heat dissipation device becomes necessary.

Disclosure of Invention

Defect and problem to existing equipment existence, the utility model provides a UPS forced air cooling heat abstractor, the effectual UPS power that exists of having solved among the existing equipment relies on the mode that increases air flow flux alone to improve the radiating efficiency, and the function is single, the problem that the radiating efficiency is low.

The utility model provides a scheme that its technical problem adopted is: a UPS air-cooled heat dissipation device comprises a shell, a circuit board, a power supply, a rectifier, a refrigeration sheet, a first exhaust fan and a second exhaust fan; the two sides of the middle part of the shell are provided with baffle plates, the two ends of the circuit board are transversely clamped and fixed on the baffle plates, so that the interior of the shell is divided into an upper electric element area and a lower equipment area, the electric elements arranged on the circuit board face the electric element area, and the power supply and the rectifier are arranged in the equipment area; the fixed slot that has along vertical through circuit board is opened to circuit board one side tip, and the tank bottom both sides of fixed slot equipment respectively have baffle and limiting plate to form the cassette bottom the fixed slot, along vertical fin that is provided with on the cold terminal surface of refrigeration piece, the hot terminal surface border of refrigeration piece is located on the cassette, is provided with corresponding inlet port and first exhaust fan on being close to and keeping away from the casing lateral wall of refrigeration piece respectively, the second exhaust fan sets up on the lateral wall in equipment district, and is close to the hot terminal surface of refrigeration piece.

Furthermore, the power supply is arranged close to the shell, a buffer plate is arranged between the power supply and the shell, and a fastening structure is arranged on the outer side of the power supply and comprises a fixed support, a fastening bolt and a gasket; the fixing support is vertically fixed at the bottom of the shell, the fastening bolt is connected to the middle of the fixing support along a transverse thread, and a gasket is vertically arranged at the tail end of the fastening bolt.

Furthermore, a guide plate is vertically arranged downwards in the middle of the limiting plate and used for limiting heat generated by the hot end face of the refrigerating sheet between the guide plate and the second exhaust fan.

Further, the bottom of guide plate is the arc water conservancy diversion face towards the second exhaust fan, just the guide plate is located the eccentric side of limiting plate.

The utility model has the advantages that: the utility model discloses with the circuit board along transversely setting up the middle part at the casing to the electric elements district that has divided into upper portion and the equipment district of lower part with the inside region of casing, wherein the electric elements of circuit board is towards the electric elements district, installs the equipment of some major possession in the equipment district, like power, rectifier etc. to the electric elements who gives out heat greatly, the utility model discloses set up inlet port and first exhaust fan in the both sides in electric elements district, both form the convection current, and rely on the negative pressure that first exhaust fan produced to accelerate circulation of air speed.

In order to further improve the radiating effect, the department has set up the refrigeration piece near the inlet port, the cold junction of refrigeration piece produces the cold source, the cold source refrigerates the air of inlet port, and the suction along with first exhaust fan lasts to get into in the casing and lowers the temperature to electric elements department in advance, improve the refrigeration effect of electric elements department, the hot terminal surface of refrigeration piece also is close to the casing side, and set up cold guide plate and second exhaust fan in the lower part of refrigeration piece, the produced heat of refrigeration piece gets into the region between guide plate and the second exhaust fan, and outside the quick casing of being discharged by the second exhaust fan, can not get into in the casing, the second exhaust fan can also carry out the suction to the equipment district simultaneously.

Additionally, the utility model discloses set up the shock attenuation reinforced structure and come the stabilized power supply, the power has occupied the great gravity proportion of UPS power, consolidates the power, and then has improved the stability of equipment.

Therefore, the utility model discloses the structure is novel, and equipment structure is compact, stable, has add the refrigeration piece, makes the air current that gets into in the casing have lower temperature, has improved the radiating efficiency, ensures the radiating effect of UPS power.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is another schematic structural diagram of the present invention.

The reference numbers in the figures are: 1 is a shell, 2 is a baffle, 3 is a circuit board, and 31 is an electric element; 4 is an electric element area, and 5 is an equipment area; 6 is an air inlet, 7 is a first exhaust fan, 8 is a refrigerating sheet, 81 is a cold end face, and 82 is a hot end face; 9 is a limit plate, 10 is a guide plate, 11 is a power supply, 12 is a rectifier, 13 is a second exhaust fan, 14 is a buffer plate, 15 is a fixed support, 16 is a fastening bolt, 17 is a gasket, and 18 is a guide surface.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1: this embodiment aims at providing a UPS forced air cooling heat abstractor, mainly used UPS heat dissipation technical field, to only relying on the mode that increases the flow rate of air current and improve the radiating efficiency in current structure, cause the radiating effect poor, especially long at the commercial power outage, need the long-time work of UPS power, this kind of structure obviously can not be suitable for, for this reason, this embodiment relies on the mode that increases the cold source to improve the radiating effect of UPS power.

As shown in fig. 1, an air-cooled heat dissipation apparatus for UPS includes a housing 1, a circuit board 3, a power supply 11, a rectifier 12, a cooling fin 8, a first exhaust fan 7, and a second exhaust fan 13; the middle part both sides of casing 1 are provided with the baffle 2 of horizontal setting, and the both ends of circuit board 3 are along horizontal fixing on baffle 2 to 1 inside electrical component district 4 and the equipment district 5 of lower part of being cut apart into on upper portion with the casing, this embodiment can adopt the mode of bolt fastening when fixed circuit board, sets up the screw in advance at the circuit board, has seted up corresponding bolt on the baffle, then fixes on the baffle with the circuit board when the bolt fastening.

In this embodiment, the electrical component 31 mounted on the circuit board 3 faces the electrical component area 4, the electrical component 31 is a concentrated heat generating area, and is disposed at one location for concentrated heat dissipation, and large devices such as a power supply and a rectifier are mounted in the device area to avoid interference.

In order to improve the heat dissipation effect, the cooling fins 8 are additionally arranged in the embodiment, and the installation structure of the cooling fins 8 is explained below; the refrigerating plate 8 is a semiconductor refrigerating plate, and the principle is that after the energy required by electron current is provided by a direct current power supply, and the power supply is switched on, an electron cathode (-) starts to go out, firstly, the electron cathode passes through a P-type semiconductor, the heat is absorbed by the P-type semiconductor, then the electron cathode goes through an N-type semiconductor, the heat is released, and every time the electron cathode passes through an NP module, the heat is transmitted to the other side from one side to cause temperature difference, and a cold end and a hot end are formed.

The fixed slot that has along vertical through circuit board is opened to 3 side end on the circuit board, and the tank bottom both sides of fixed slot are equipped with baffle 2 and limiting plate 9 respectively to form the cassette bottom the fixed slot, along vertical being provided with the fin on the cold junction face 81 of refrigeration piece 8, the setting of fin has improved refrigeration effect, and the hot terminal surface 82 border of refrigeration piece 8 is located on the cassette, and the hot terminal surface is towards the equipment district, and the cold junction face is towards the electric elements district, is provided with corresponding inlet port 6 and first exhaust fan 7 respectively on being close to and keeping away from the casing lateral wall of refrigeration piece 8, second exhaust fan 13 sets up on the lateral wall in the equipment district, and is close to the hot terminal surface 82 of refrigeration piece, and the second exhaust fan is used for discharging the heat that the refrigeration piece produced, can also suck the equipment district simultaneously, still is provided with the bleeder vent on the curb plate of casing.

This embodiment has add the refrigeration piece at air inlet department from this, relies on the refrigeration piece to refrigerate to the source of admitting air, does not only rely on increasing air flow flux (improving the power of exhaust fan), still relies on to refrigerate to the source of admitting air, and dual means ensures the radiating effect of UPS power.

Example 2: this example is substantially the same as example 1, except that: the present embodiment further processes the heat generated by the hot side of the cooling fins 8.

The middle part of the limiting plate 9 is vertically provided with a guide plate 10 downwards, the guide plate 10 is used for limiting heat generated by the hot end face of the refrigeration piece between the guide plate 10 and the second exhaust fan 13, the arrangement of the guide plate enables a large amount of heat to be diffused into the shell, and the heat generated by the refrigeration piece can be rapidly exhausted due to the suction of the second exhaust fan 13.

In order to further improve the water conservancy diversion effect, the bottom of guide plate 10 is the arc water conservancy diversion face 18 towards the second exhaust fan, just guide plate 10 is located the eccentric side of limiting plate, and such structure can provide the region for the installation of screw, and as shown in fig. 2, the screw is located the left side region of guide plate, and is easy to assemble, and water conservancy diversion face 18 leads the second exhaust fan with the air current, has improved thermal exhaust efficiency.

Example 3: this example is substantially the same as example 1, except that: the present embodiment further illustrates the fixing structure of the power supply.

The power supply 11 is arranged close to the shell 1, a buffer plate 14 is arranged between the power supply 11 and the shell 1, and a fastening structure is arranged on the outer side of the power supply 11 and comprises a fixed support 15, a fastening bolt 16 and a gasket 14; fixing support 15 is fixed in the bottom of casing along vertical, and fastening bolt 16 is at fixing support 15's middle part along horizontal threaded connection, and fastening bolt's end is provided with vertically is provided with gasket 17, and gasket 17 is for rotating and spacing connection with the terminal connected mode of fastening bolt, and the middle part of gasket is provided with spacing seat promptly, and fastening bolt's end rotation suit is in spacing seat.

Claims

1. The utility model provides a UPS forced air cooling heat abstractor which characterized in that: the refrigeration device comprises a shell, a circuit board, a power supply, a rectifier, a refrigeration piece, a first exhaust fan and a second exhaust fan; the two sides of the middle part of the shell are provided with baffle plates, the two ends of the circuit board are transversely clamped and fixed on the baffle plates, so that the interior of the shell is divided into an upper electric element area and a lower equipment area, the electric elements arranged on the circuit board face the electric element area, and the power supply and the rectifier are arranged in the equipment area; the fixed slot that has along vertical through circuit board is opened to circuit board one side tip, and the tank bottom both sides of fixed slot equipment respectively have baffle and limiting plate to form the cassette bottom the fixed slot, along vertical fin that is provided with on the cold terminal surface of refrigeration piece, the hot terminal surface border of refrigeration piece is located on the cassette, is provided with corresponding inlet port and first exhaust fan on being close to and keeping away from the casing lateral wall of refrigeration piece respectively, the second exhaust fan sets up on the lateral wall in equipment district, and is close to the hot terminal surface of refrigeration piece.

2. The UPS air-cooled heat dissipation device of claim 1, wherein: the power supply is arranged close to the shell, a buffer plate is arranged between the power supply and the shell, and a fastening structure is arranged on the outer side of the power supply and comprises a fixed support, a fastening bolt and a gasket; the fixing support is vertically fixed at the bottom of the shell, the fastening bolt is connected to the middle of the fixing support along a transverse thread, and a gasket is vertically arranged at the tail end of the fastening bolt.

3. The UPS air-cooled heat dissipation device of claim 1, wherein: and the middle part of the limiting plate is vertically downwards provided with a guide plate, and the guide plate is used for limiting heat generated by the hot end face of the refrigerating sheet between the guide plate and the second exhaust fan.

4. The UPS air-cooled heat dissipation device of claim 3, wherein: the bottom of guide plate is the arc water conservancy diversion face towards the second exhaust fan, just the guide plate is located the eccentric side of limiting plate.