CN210351952U - Combined power regulator - Google Patents

Combined power regulator Download PDF

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Publication number
CN210351952U
CN210351952U CN201920425591.5U CN201920425591U CN210351952U CN 210351952 U CN210351952 U CN 210351952U CN 201920425591 U CN201920425591 U CN 201920425591U CN 210351952 U CN210351952 U CN 210351952U
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heat dissipation
cover
fuse
cooling unit
air cooling
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CN201920425591.5U
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符文保
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Shanghai Hebei Automation Technology Co ltd
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Shanghai Hebei Automation Technology Co ltd
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Abstract

A combined power regulator comprises a shell and a circuit board arranged in the shell, wherein the shell comprises a base and an upper cover arranged at the top of the base, the upper cover consists of a front cover, a middle cover, a main panel and a rear cover, the main panel is arranged at the top of the circuit board, the middle cover is arranged on the front side of the main panel, the rear cover is arranged on the rear side of the main panel, and the front cover is arranged on the front side of the middle cover; the bottom of the shell is provided with a heat dissipation unit, the heat dissipation unit comprises an inner air cooling unit and an outer air cooling unit, the shell and the inner air cooling unit are both arranged in the heat dissipation case, and the outer air cooling unit is arranged outside the heat dissipation case; the external air cooling unit comprises a second heat radiation body and an air box, and the second heat radiation body is connected with the bottom of the first heat radiation body; the combination of air cooling and outer air cooling unit in this combination formula power adjuster design can provide an efficient heat dissipation scheme, improves the stability of power adjuster operation greatly, and the heat dissipation machine case need not dispel the heat through the air exchange with external environment.

Description

Combined power regulator
Technical Field
The utility model belongs to the technical field of power equipment technique and specifically relates to a modular power regulator.
Background
The power regulator is an indispensable control component in industrial electric heating systems, especially as an important component for controlling load power variations in industrial automation systems. The pure-resistance industrial load can be adjusted through phase shift triggering and zero-crossing triggering, so that the aim of controlling the temperature is fulfilled. The power regulators may be classified into three-phase power regulators and single-phase power regulators according to the type of power source, and may be classified into analog power regulators and digital power regulators according to the display mode.
Because the electric power adjuster is controlled through the silicon controlled rectifier, consequently can produce a large amount of heats in the course of the work, need electric power adjuster to be equipped with good heat radiation structure, application number is CN 201620747129.3's utility model discloses a "heat dissipation type electric power adjuster, including casing, condensing equipment, water pipe, centrifugal fan, go up ice cold block, water pump, bellows, silicone grease, ice cold block, insulated column, thyristor, copper bar and trigger plate down. Use a heat dissipation type electric power adjuster, according to the heat rise, through centrifugal fan with the heat transfer to the cold piece of ice, the silicone grease is with some heat transfer to the cold piece of ice down, then has the water pipe that passes two water-cooling pieces to take away the heat, again through cooling pressurization formation circulation. A heat dissipation type electric power adjuster, it is related to rationally, easy operation, safe and reliable takes away the heat that electric power adjuster produced through water-cooling circulation's mode, can solve bulky, the noise is big to and the poor performance of cooling effect; although the invention adopts the scheme of water-cooling heat dissipation with better efficiency, the shell is close to the water-cooling block, so that once leakage occurs, serious consequences can be caused, and in addition, the water-cooling block has lower temperature, so that the generated water condensation phenomenon can also harm the operation of the power regulator;
most current power regulators still carry out the forced air cooling heat dissipation through fan cooperation heat dissipation bars, and heat dispersion needs improve, and the forced air cooling heat dissipation needs carry out the air exchange with external environment moreover, and inevitable production laying dust and moisture condense reduce life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat dispersion is good and need not carry out the combination formula electric power adjuster of air exchange with external environment.
In order to achieve the above object, the utility model provides a following technical scheme: a combined power regulator comprises a shell and a circuit board arranged in the shell, and is characterized in that the shell comprises a base and an upper cover arranged on the top of the base, the upper cover consists of a front cover, a middle cover, a main panel and a rear cover, wherein the main panel is arranged on the top of the circuit board, the middle cover is arranged on the front side of the main panel, the rear cover is arranged on the rear side of the main panel, and the front cover is arranged on the front side of the middle cover;
the bottom of the shell is provided with a heat dissipation unit, the heat dissipation unit comprises an inner air cooling unit and an outer air cooling unit, the shell and the inner air cooling unit are both arranged in the heat dissipation case, and the outer air cooling unit is arranged outside the heat dissipation case; the inner air cooling unit comprises a first radiator and a fan, the first radiator comprises a support connected with the shell and a radiating frame with a herringbone cross section, and a plurality of radiating fins are arranged on two sides and the bottom of the radiating frame; the rear end of the heat dissipation frame is fixedly connected with a fan, and the bottom of the heat dissipation frame is connected with a second heat dissipation body;
the outer air cooling unit comprises a second radiator and an air box, the second radiator is connected with the bottom of the first radiator, the second radiator is inserted into the air box, an air inlet is formed in one end of the air box, an air outlet is formed in the top of the air box, and the air inlet is connected with a cold air supply pipe.
As a further aspect of the present invention: the front end and the rear end of the base are provided with concave positions matched with the binding posts, the binding posts are arranged in the concave positions, the front end of the middle cover and the rear end of the main panel are provided with notches matched with the concave positions, and the front cover and the rear cover respectively cover the notches in the middle cover and the main panel. Still further, because the base height of the part of circuit board place is lower, consequently set up the back lid into the L type, can be better the cover load terminal.
As a further aspect of the present invention: the bottom of the heat dissipation frame extends towards two sides to form side wings, and the side wings are welded with the second heat dissipation body or connected with the second heat dissipation body through bolts.
As a further aspect of the present invention: the support, the heat dissipation frame and the heat dissipation sheet of the first heat dissipation body are of an integrated structure and made of aluminum.
As a further aspect of the present invention: the second heat radiation body is made of aluminum.
As a further aspect of the present invention: the second radiator is integrally platy, and one end of the second radiator extends into the air box.
As a further aspect of the present invention: the upper surface and the lower surface of the part, located inside the air box, of the second heat radiation body are provided with a plurality of heat conducting fins, the heat conducting fins can increase the heat transfer area with cold air inside the air box, and the air cooling effect is improved.
This combination formula power adjuster still includes the fuse unit, and the fuse unit includes the fuse box and locates the inside fuse of fuse box, and the fuse box includes the fuse seat and the fuse lid of mutual lock, and the rear side of fuse seat is equipped with the fuse groove, and the fuse inlays in the both ends in this fuse groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the combination of the air cooling unit and the outer air cooling unit in the design of the combined power adjuster can provide an efficient heat dissipation scheme, the running stability of the power adjuster is greatly improved, the heat dissipation case and the external environment do not need to dissipate heat through air exchange, the problems of dust accumulation and moisture condensation inside the case are avoided, and the service life of internal equipment is prolonged.
Secondly, this combination formula power adjuster is through the reasonable layout to structure itself, and is efficient, and the radiating effect is good, and product life is long.
Drawings
Fig. 1 is a schematic structural diagram of the present invention in the first embodiment;
fig. 2 is an exploded view of the housing and the inner air-cooling unit according to the first embodiment of the present invention;
fig. 3 is a top view of the interior of the external air-cooling unit according to the first embodiment of the present invention;
FIG. 4 is an internal side view of an external air cooling unit according to the first embodiment of the present invention;
fig. 5 is a top view of the external air-cooling unit according to the third embodiment of the present invention;
fig. 6 is an internal side view of an external air-cooling unit according to the present invention in the third embodiment;
fig. 7 is a schematic diagram of a circuit module on a circuit board according to the fourth embodiment of the present invention.
The reference numbers in the figures are as follows:
Figure BDA0002011860080000031
Figure BDA0002011860080000041
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-4, in an embodiment of the present invention, a combined power regulator includes a housing 1 and a circuit board 7 disposed inside the housing 1, the circuit board includes a base 2 and an upper cover on the top of the base 2, the upper cover is composed of a front cover 3, a middle cover 4, a main panel 5 and a rear cover 6, the main panel 5 is disposed on the top of the circuit board 7, the middle cover 4 is disposed on the front side of the main panel 5, the rear cover 6 is disposed on the rear side of the main panel, and the front cover 3 is disposed on the front side of the middle cover 4;
the main panel 5 is connected with the base 2 through screws, and the front cover 3 and the middle cover 4, the middle cover 4 and the main panel 5, and the rear cover 6 and the main panel 5 are detachably connected through buckles;
both ends are equipped with around base 2 with terminal complex concave position, are equipped with the terminal in the concave position, the front end of well lid 4 and the rear end of main panel 5 all be equipped with concave position complex breach, and the breach on lid 4 and the main panel 5 covers respectively in protecgulum 3 and the back lid 6. Furthermore, because the base 2 of the part where the circuit board 7 is located is lower in height, the rear cover 6 is arranged to be L-shaped, and the load terminal can be better covered;
the bottom of the shell 1 is provided with a heat dissipation unit, the heat dissipation unit comprises an inner air cooling unit and an outer air cooling unit, the inner air cooling unit comprises a first heat dissipation body and a fan 11, the first heat dissipation body comprises a support 8 connected with the shell 1 and a heat dissipation frame 9 with a herringbone cross section, and a plurality of heat dissipation fins 10 are arranged on two sides and the bottom of the heat dissipation frame 9; the rear end of the heat dissipation frame 9 is fixedly connected with a fan 11;
the shell 1 and the inner air cooling unit are both arranged in the heat dissipation case 100, and the outer air cooling unit is arranged outside the heat dissipation case 100;
the outer air cooling unit comprises a second heat radiator 12 and an air box 13, the second heat radiator 12 is connected with the bottom of the first heat radiator, the second heat radiator 12 is inserted into the air box 13, an air inlet 15 is formed in one end of the air box 13, an air outlet 16 is formed in the top of the air box, the air inlet 15 is connected with a cold air supply pipe, the cold air supply pipe is connected with refrigeration equipment such as a central air conditioner, a fan is arranged in the air inlet 15, and the air outlet can be connected with an exhaust.
Preferably, the bottom of the heat dissipation frame 9 extends to both sides to form a side wing, and the side wing is welded or connected with the second heat dissipation body 12 through a bolt.
Preferably, the support 8, the heat dissipation frame 9, and the heat dissipation fins 10 of the first heat dissipation member are formed in an integral structure, and are made of a metal material having good thermal conductivity, preferably aluminum.
Preferably, a metal material with good thermal conductivity, preferably aluminum, is used as the second heat dissipation body 12.
Preferably, the second heat sink 12 is plate-shaped as a whole, and one end of the second heat sink extends into the bellows 13.
Preferably, the main panel is provided with a display screen for displaying 8 terminals, and four indicator lights below the 8 terminals are used for displaying various operating states of the combined power regulator.
Preferably, a silicon controlled rectifier is arranged in the base 2 below the circuit board.
Preferably, a fuse is further arranged in the base.
Preferably, the heat sink housing 100 is a sealed structure.
Note that the surface of the coolant in the bellows 13 needs to submerge the second heat radiating member 12.
The front cover 3, the middle cover 4, the main panel 5 and the rear cover 6 are all made of plastic.
The utility model discloses a structural feature and theory of operation: the utility model designs the set of the inner air cooling unit and the outer air cooling unit, the herringbone heat dissipation frame 9 is adopted to match with a plurality of radiating fins 10, so that a more efficient heat dissipation effect can be generated under the limited airflow of the fan 11, compared with the existing simple air cooling mode of designing the heat dissipation grid at the bottom, the efficiency is higher, and the herringbone heat dissipation frame 9 can form a stable triangular structure when being combined with the outer air cooling unit; the fan 11 disturbs the air inside the heat dissipation case 100 to generate a circular current, so as to accelerate the internal heat exchange, and the heat is conducted from the first heat dissipation body to the second heat dissipation body 12;
outside forced air cooling unit passes through conduction between second radiator 12 and the first radiator and conducts heat to bellows 13 inside, realize the heat dissipation to second radiator 12 through letting in cold wind in bellows 13, make first radiator and casing 1 rather than being connected obtain the heat dissipation, heat dissipation case 11 is inside no longer need carry out the air exchange with external environment, guarantee the radiating effect when isolated interior external environment, avoid the air exchange to produce deposition and condensation, extension equipment life.
Example two
On the basis of embodiment one, the utility model discloses still include the fuse unit, the fuse unit includes the fuse box and locates the inside fuse of fuse box, and the fuse box includes the fuse seat and the fuse lid of mutual lock, and the rear side of fuse seat is equipped with the fuse groove, and the fuse inlays in the both ends in this fuse groove.
Preferably, the fuse holder is fixed to the front end of the heat dissipation frame 9.
Preferably, the width of the fuse holder is smaller than the width of the narrowest portion of the heat dissipation frame 9, and the length is smaller than the distance from the top of the heat dissipation frame 9 to the crotch. The fuse holder is attached to the heat dissipation frame 9 without blocking the airflow generated by the fan 11.
Preferably, terminals for connecting the fuse are arranged at two ends of the fuse slot, one terminal is connected with one phase of the three-phase line, and the other terminal is connected with the terminal on the shell 1. The fuse can be provided with three fuses which are respectively connected with the three phase lines.
EXAMPLE III
Referring to fig. 5-6, on the basis of the first embodiment, the upper and lower surfaces of the portion of the second heat sink 12 inside the air box 13 are both provided with a plurality of heat conducting fins 14, and the heat conducting fins 14 can increase the heat transfer area with the cold air inside the air box 13, thereby improving the air cooling effect.
Preferably, the heat conducting sheet 14 is disposed along a long side of the second heat radiating body 12, and the second heat radiating body 12 and the heat conducting sheet 14 are of an integral structure and are formed by integral casting.
Example four
Referring to fig. 7, on the basis of the first embodiment, the circuit board 7 is provided with a single chip 41 as a control unit, a phase detection circuit 42, a driving output and power device circuit 43, a mode selection circuit 44, an operating state indication circuit 45, and other necessary circuit modules.
As described above, the single chip 41, the phase detection circuit 42, the driving output and power device circuit 43, the mode selection circuit 44, and the operating state indication circuit 45 are all in the prior art, and how to load them on the circuit board 7 and how to connect them through the printed circuit on the circuit board 7 are all in the prior art.
The operation state indicating circuit 45 is connected to the display screen on the main panel.
The phase detection circuit 42 and the drive output and power device circuit 43 are connected to a load.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A combined power regulator comprises a shell and a circuit board arranged in the shell, and is characterized in that the shell comprises a base and an upper cover arranged on the top of the base, the upper cover consists of a front cover, a middle cover, a main panel and a rear cover, wherein the main panel is arranged on the top of the circuit board, the middle cover is arranged on the front side of the main panel, the rear cover is arranged on the rear side of the main panel, and the front cover is arranged on the front side of the middle cover;
the bottom of the shell is provided with a heat dissipation unit, the heat dissipation unit comprises an inner air cooling unit and an outer air cooling unit, the shell and the inner air cooling unit are both arranged in the heat dissipation case, and the outer air cooling unit is arranged outside the heat dissipation case; the inner air cooling unit comprises a first radiator and a fan, the first radiator comprises a support connected with the shell and a radiating frame with a herringbone cross section, and a plurality of radiating fins are arranged on two sides and the bottom of the radiating frame; the rear end of the heat dissipation frame is fixedly connected with a fan, and the bottom of the heat dissipation frame is connected with a second heat dissipation body;
the outer air cooling unit comprises a second radiator and an air box, the second radiator is connected with the bottom of the first radiator, the second radiator is inserted into the air box, an air inlet is formed in one end of the air box, an air outlet is formed in the top of the air box, and the air inlet is connected with a cold air supply pipe.
2. The combined power regulator of claim 1, wherein the base has recesses for receiving the terminals at the front and rear ends thereof, the terminals are disposed in the recesses, the front end of the middle cover and the rear end of the main panel have notches for receiving the recesses, and the front cover and the rear cover respectively cover the notches of the middle cover and the main panel.
3. The combined power regulator of claim 1, wherein the bottom of the heat dissipation frame extends to two sides to form a side wing, and the side wing is welded or connected with the second heat dissipation body through a bolt.
4. The combined power regulator of claim 1, wherein the support, the heat sink frame, and the heat sink of the first heat sink are of an integral structure, and are made of aluminum.
5. The combined power regulator of claim 1, wherein the material of the second heat sink is aluminum.
6. The combined power regulator according to claim 1 or 5, wherein the second heat sink has a plate shape as a whole, and one end of the second heat sink is inserted into the bellows.
7. The combined power regulator according to claim 1 or 5, wherein the second heat sink has a plurality of heat conductive fins on both upper and lower surfaces of a portion thereof located inside the air box.
8. A combined power regulator according to claim 1, 2, 3, 4 or 5, further comprising a fuse unit, wherein the fuse unit comprises a fuse box and a fuse arranged inside the fuse box, the fuse box comprises a fuse holder and a fuse cover which are fastened with each other, a fuse slot is arranged at the rear side of the fuse holder, and the fuse is embedded at two ends of the fuse slot.
CN201920425591.5U 2019-03-29 2019-03-29 Combined power regulator Active CN210351952U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109906023A (en) * 2019-03-29 2019-06-18 上海河贝自动化科技有限公司 A kind of combined electrical force regulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109906023A (en) * 2019-03-29 2019-06-18 上海河贝自动化科技有限公司 A kind of combined electrical force regulator

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