CN212540200U

CN212540200U - Control box of carbon-silicon analyzer

Info

Publication number: CN212540200U
Application number: CN202021229143.7U
Authority: CN
Inventors: 徐随山; 李国林
Original assignee: Nanjing Huaxin Analysis Instrument Manufacturing Co ltd
Current assignee: Nanjing Huaxin Analysis Instrument Manufacturing Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-12
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a carbon silicon analysis field especially relates to a carbon silicon analyzer control box, and it includes the box, locates the main control board in the box, connects in the switching power supply of main control board power end and connects in the display screen of main control board in an electricity way, is equipped with heat abstractor on the main control board, is equipped with power plug on the box, is equipped with the wave filter between power plug and the switching power supply; the heat dissipation device comprises a heat dissipation base, a heat dissipation fan and a heat dissipation fin, wherein the heat dissipation base is horizontally arranged, the bottom surface of the heat dissipation base is attached to the upper surface of the main control board, and the heat dissipation fan is arranged in the middle of the upper surface of the heat dissipation base and electrically connected to the output end of the switching power supply; the radiating fins are vertically arranged on the upper surface of the radiating base and distributed on the periphery of the radiating fan; the radiating fin comprises a fin array formed by a plurality of fins, the fins are of cuboid structures vertically arranged, the fins are sequentially arranged at equal intervals along the length direction of the fins, and the fins are sequentially arranged at equal intervals along the thickness direction of the fins. The utility model discloses stability is good.

Description

Control box of carbon-silicon analyzer

Technical Field

The utility model relates to a carbon silicon analysis field especially relates to a carbon silicon analyzer control box.

Background

At present, in a control box body of a carbon silicon analyzer, a thermocouple measurement signal is input into a main control board in the control box body and then is displayed by a display; in the control box body of the carbon silicon analyzer, the circuit components of the main control board are complex, a large amount of heat can be generated in the operation process, higher temperature is generated, the device can work unstably, and even the main control board is damaged; the existing radiating fin has poor radiating effect.

Disclosure of Invention

The utility model aims at providing a carbon silicon analysis appearance control box, stability is good.

For solving the above technical problem, the technical scheme of the utility model is that: the carbon-silicon analyzer control box comprises a box body, a main control board arranged in the box body, a switching power supply electrically connected to an electric source end of the main control board and a display screen electrically connected to the main control board, wherein a heat dissipation device is arranged on the main control board, a power plug is arranged on the box body, and a filter is arranged between the power plug and the switching power supply; the heat dissipation device comprises a heat dissipation base, a heat dissipation fan and a heat dissipation fin, wherein the heat dissipation base is horizontally arranged, the bottom surface of the heat dissipation base is attached to the upper surface of the main control board, and the heat dissipation fan is arranged in the middle of the upper surface of the heat dissipation base and electrically connected to the output end of the switching power supply; the radiating fins are vertically arranged on the upper surface of the radiating base and distributed on the periphery of the radiating fan; the radiating fin comprises a fin array formed by a plurality of fins, the fins are of cuboid structures vertically arranged, the fins are sequentially arranged at equal intervals along the length direction of the fins, and the fins are sequentially arranged at equal intervals along the thickness direction of the fins.

According to the scheme, the filter adopts a power supply EMI filter.

According to the scheme, the two adjacent fins are made of different materials, namely copper materials and aluminum materials, along the length direction of the fins.

According to the scheme, the distance between the fins of two adjacent fins is equal to 0.3-0.5 times of the length of the fins along the length direction of the fins.

According to the scheme, the distance between two adjacent fins is equal to the thickness of the fins along the thickness direction of the fins.

According to the scheme, the fin seat is arranged at the bottom of the fin, and the bottom area of the fin seat is larger than that of the fin.

According to the scheme, the heat dissipation fan comprises an axial impeller and a motor, and an output shaft of the motor is arranged in the center of the axial impeller to drive the axial impeller to rotate.

The utility model discloses following beneficial effect has:

the heat dissipation base arranged on the main control board is attached to the main control board, heat in the main control board is naturally dissipated into the air through the heat dissipation fins, the contact area with the main control board is large, and the heat dissipation base is safe and reliable; the heat dissipation fan is adopted to take away the heat on the heat dissipation fins, so that the heat dissipation efficiency is high, and the heat dissipation device is simple and practical; the utility model discloses a fin is the fin array, all is equipped with the clearance and forms heat dissipation channel between the adjacent fin, changes the fluid circulation state through changing the fin shape, and the resistance to the air current is littleer around the fin, and its heat dissipation channel more does benefit to the air flow to take away the heat around the fin more, reinforcing convection effect, and the directional air current that the segmentation fin made the radiator changes, has become the turbulent flow by the laminar flow, therefore can take away the heat on the fin better; the bottom area of the fin seat at the bottom of the fin is larger, the contact area of the fin and the heat dissipation base is increased, the heat dissipation channel is not influenced, the energy absorbed by the main control board is quickly transmitted to the fin, and then the energy is dissipated through the heat dissipation fan, and the heat is quickly removed; the stability of the main control board of the control box is enhanced due to the good heat dissipation effect;

two, the utility model discloses a set up power filter at switching power supply's input, switching power supply supplies power for main control board and radiator fan, and the filter carries out the filtering to the power on the one hand, has guaranteed radiator fan pivoted stability, and is further, and the main control board is supplied with to the power after the filtering, improves stability.

Drawings

Fig. 1 is the internal structure schematic diagram of the control box of the embodiment of the present invention.

Reference numerals: 1. a box body; 101. a power plug; 102. a thermocouple plug; 2. a main control board; 3. a switching power supply; 4. a display screen; 5. a heat sink; 501. a heat dissipation base; 502. a heat radiation fan; 5021. an axial impeller; 5022. a motor; 503. a fin; 503a, copper fins; 503b, aluminum alloy fins; 504. a fin base; 6. and a filter.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, the present invention relates to a control box of a carbon silicon analyzer, which comprises a box body 1, a main control board 2 disposed in the box body 1, a switching power supply 3 electrically connected to a power end of the main control board 2, and a display screen 4 electrically connected to the main control board 2; the box body 1 is provided with a power plug 101 and a thermocouple plug 102; the power plug 101 is used for externally connecting 220V alternating current, and the thermocouple plug 102 is used for externally connecting a thermocouple to obtain a thermocouple signal; the switching power supply 3 adopts a switching power supply which is currently produced by Minwei corporation and has the model of NED-75A, and is used for converting 220V alternating current into 12V direct current;

a filter 6 is arranged between the power plug 101 and the switching power supply 3; in this embodiment, the filter 6 is the power supply EMI filter 6, and the power supply EMI filter 6 can effectively suppress conducted interference in the switching power supply 3 and sufficiently attenuate noise of the switching power supply 3.

The main control board 2 is provided with a heat dissipation device 5, the heat dissipation device 5 comprises a heat dissipation base 501, a heat dissipation fan 502 and heat dissipation fins, the heat dissipation base 501 is horizontally arranged, the bottom surface of the heat dissipation base 501 is attached to the upper surface of the main control board 2, the heat dissipation base 501 can be detachably connected to the main control board 2 through bolts, the heat dissipation base 501 is a copper plate-shaped structure, and the heat conductivity is good; the heat dissipation fan 502 is arranged in the middle of the upper surface of the heat dissipation base 501 and is electrically connected to the output end of the switching power supply 3, the heat dissipation fan 502 comprises an axial impeller 5021 and a motor 5022, and an output shaft of the motor 5022 is arranged in the center of the axial impeller 5021 to drive the axial impeller 5021 to rotate; the motor 5022 is a 12V direct current motor which is electrically connected to the output end of the switch power supply 3 to obtain 12V direct current, and a voltage conversion circuit is not needed between the motor 5022 and the switch power supply 3.

The radiating fins are vertically arranged on the upper surface of the radiating base 501 and distributed around the radiating fan 502; referring to fig. 1, in the present embodiment, it is specified that one side of the display screen 4 is a front side, the fins 503 are in a vertically arranged rectangular structure, the fins 503 extend from front to back, the fins 503 are sequentially arranged at equal intervals along a length direction thereof, that is, a front-back direction, and an interval between the fins 503 of two adjacent fins 503 is equal to 0.3 to 0.5 times of the length of the fin 503; the fins 503 are arranged in sequence at equal intervals along the thickness direction, i.e. from left to right, and the interval between two adjacent fins 503 is equal to the thickness of the fins 503. Along the length direction of the fins 503, the two adjacent fins 503 are made of different materials, namely copper material and aluminum material, in fig. 1, the first row at the rear side is a copper material fin 503a, the second row from the rear to the front is an aluminum material fin 503, the third row is a copper material fin 503a, and so on; copper has good thermal conductivity, aluminum alloy has low price and light weight, and compared with a pure copper radiator, the weight of the radiator is dispersed and the cost is reduced. The bottom of the fin 503 is provided with a fin seat 504, and the bottom area of the fin seat 504 is larger than that of the fin 503, so that the heat transfer speed from the main control board 2 to the fin 503 is increased, and the heat removal is fast.

The utility model has the advantages that: the utility model adopts the heat dissipation base 501 arranged on the main control board 2 to be attached to the main control board 2, and the heat in the main control board 2 is naturally dissipated into the air through the heat dissipation fins, so that the contact area with the main control board 2 is large, and the utility model is safe and reliable; the heat dissipation fan 502 is adopted to take away the heat on the heat dissipation fins, so that the heat dissipation efficiency is high, and the heat dissipation device is simple and practical; the utility model discloses a fin is fin 503 array, all is equipped with the clearance and forms heat dissipation channel between adjacent fin 503, changes the fluid circulation state through changing the fin shape, and the resistance to the air current is littleer around the fin 503, and its heat dissipation channel more does benefit to the air flow to take away the heat around the fin 503 more, reinforcing convection effect, and sectional fin 503 makes the directional air current of radiator change, has become the turbulent flow by the laminar flow, consequently can better take away the heat on the fin 503; the bottom area of the fin seat 504 at the bottom of the fin 503 is large, so that the contact area between the fin 503 and the heat dissipation base 501 is increased, the heat dissipation channel is not influenced, the energy absorbed from the main control board 2 is quickly transmitted to the fin 503, and further dissipated through the heat dissipation fan 502, and the heat is quickly removed; the stability of the main control board 2 of the control box is enhanced due to good heat dissipation effect; the utility model discloses a set up power filter 6 at switching power supply 3's input, switching power supply 3 supplies power for main control board 2 and radiator fan 502, and filter 6 carries out the filtering to the power on the one hand, has guaranteed radiator fan 502 pivoted stability, and is further, and main control board 2 is supplied with to the power after the filtering, improves stability.

The utility model discloses the part that does not relate to all is the same with prior art or adopts prior art to realize.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. Carbon silicon analysis appearance control box, including box (1), main control board (2) of locating in box (1), the electricity connect in switching power supply (3) of main control board (2) power end and the electricity connect in display screen (4) of main control board (2), its characterized in that: a power plug (101) is arranged on the box body (1), a filter (6) is arranged between the power plug (101) and the switching power supply (3), and a heat dissipation device (5) is arranged on the main control board (2);

the heat dissipation device (5) comprises a heat dissipation base (501), a heat dissipation fan (502) and heat dissipation fins, wherein the heat dissipation base (501) is horizontally arranged, the bottom surface of the heat dissipation base is attached to the upper surface of the main control board (2), and the heat dissipation fan (502) is arranged in the middle of the upper surface of the heat dissipation base (501) and electrically connected to the output end of the switching power supply (3); the radiating fins are vertically arranged on the upper surface of the radiating base (501) and distributed on the periphery of the radiating fan (502); the radiating fin is characterized in that a plurality of fins (503) form a fin (503) array, the fins (503) are of a vertically arranged cuboid structure, the fins (503) are sequentially arranged at equal intervals along the length direction of the fins, and the fins (503) are sequentially arranged at equal intervals along the thickness direction of the fins.

2. The control box of the carbon silicon analyzer as claimed in claim 1, wherein: the filter (6) adopts a power supply EMI filter (6).

3. The control box of the carbon silicon analyzer as claimed in claim 1, wherein: along the length direction of the fins (503), the two adjacent fins (503) are made of different materials, namely copper materials and aluminum alloy materials.

4. The control box of the carbon silicon analyzer as claimed in claim 1, wherein: along the length direction of the fins (503), the distance between the fins (503) of two adjacent fins (503) is equal to 0.3-0.5 times of the length of the fins (503).

5. The control box of the carbon silicon analyzer as claimed in claim 1, wherein: the distance between two adjacent fins (503) is equal to the thickness of the fins (503) along the thickness direction of the fins (503).

6. The control box of the carbon silicon analyzer as claimed in claim 1, wherein: the bottom of the fin (503) is provided with a fin seat (504), and the bottom area of the fin seat (504) is larger than that of the fin (503).

7. The control box of the carbon silicon analyzer as claimed in claim 1, wherein: the heat radiation fan (502) comprises an axial impeller (5021) and a motor (5022), wherein an output shaft of the motor (5022) is arranged at the center of the axial impeller (5021) to drive the axial impeller (5021) to rotate.