CN219478388U

CN219478388U - Zero transition dynamic regulator

Info

Publication number: CN219478388U
Application number: CN202222987402.8U
Authority: CN
Inventors: 严文海; 万凯; 万静
Original assignee: Jiangsu Wohai Electric Co ltd
Current assignee: Jiangsu Wohai Electric Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-08-04
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a zero transition dynamic regulator, which comprises an outer shell and a heat dissipation assembly, wherein the outer shell is provided with a first heat dissipation part; an outer shell: the upper surface symmetry in it is equipped with the fixed column, and the lower extreme of fixed column all passes through screw fixed connection with the circuit board, and the upper surface symmetry of circuit board is equipped with electric capacity, and the upper surface of circuit board is equipped with potentiometre, stabiliser and resistance respectively, the upper end of stabiliser passes the roof of shell body and extends to the top of shell body, the output pin of potentiometre is connected with the adjustment pin electricity of stabiliser, the both ends of resistance are connected with the adjustment pin and the output pin electricity of stabiliser respectively, and the positive pole of two electric capacities is connected with the input pin and the output pin electricity of stabiliser respectively, and the negative pole of two electric capacities is connected with the input pin electricity of potentiometre, and this zero transition dynamic regulator, sustainable high-efficient dispel the heat to the circuit board has guaranteed the operational environment of zero transition dynamic regulator, has reduced the gathering of dust moreover, has prolonged life.

Description

Zero transition dynamic regulator

Technical Field

The utility model relates to the technical field of dynamic regulators, in particular to a zero transition dynamic regulator.

Background

Along with the miniaturization of semiconductor manufacturing process, the channel length of the power transistor is also shorter and shorter, and then the junction temperature is higher and higher, so that the leakage current of the power transistor is increased, and the dynamic regulator is required to be utilized, however, the existing zero-transition dynamic regulator has high heat generation quantity, so that the temperature of the inner space of the dynamic regulator is continuously increased, the damage of a module and the service life of other electronic components are shortened due to the inside of the dynamic regulator with overhigh temperature, the existing dynamic regulator only dissipates heat by virtue of a fan after the high temperature occurs, the heat dissipation rate is lower, and the effect is not ideal, and therefore, the zero-transition dynamic regulator is proposed.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the zero-transition dynamic regulator which can continuously and efficiently dissipate heat of a circuit board, ensure the working environment of the zero-transition dynamic regulator, reduce dust accumulation, prolong the service life and effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a zero transition dynamic regulator comprises an outer shell and a heat dissipation assembly;

an outer shell: the upper surface of the inside of the circuit board is symmetrically provided with fixed columns, the lower ends of the fixed columns are fixedly connected with the circuit board through screws, the upper surface of the circuit board is symmetrically provided with capacitors, the upper surface of the circuit board is respectively provided with a potentiometer, a voltage stabilizer and a resistor, the upper end of the voltage stabilizer penetrates through a top plate of the outer shell and extends to the upper side of the outer shell, an output pin of the potentiometer is electrically connected with an adjusting pin of the voltage stabilizer, two ends of the resistor are respectively electrically connected with the adjusting pin and the output pin of the voltage stabilizer, anodes of the two capacitors are respectively electrically connected with an input pin and an output pin of the voltage stabilizer, cathodes of the two capacitors are respectively electrically connected with an input pin of the potentiometer, the input pin of the potentiometer is electrically connected with a cathode of an external power supply through a wiring terminal at the front end at the left side, the input pin of the voltage stabilizer is electrically connected with an anode of the external power supply through a wiring terminal at the rear end at the left side, and two wiring terminals at the front side are electrically connected;

and a heat radiation assembly: the circuit board is arranged on the lower surface of the circuit board, and can continuously and efficiently dissipate heat, so that the working environment of the zero-transition dynamic regulator is ensured, dust accumulation is reduced, and the service life is prolonged.

Further, the radiating component comprises a fan, the fan is arranged in the middle of the lower surface of the circuit board, the input end of the fan is respectively electrically connected with the two wiring terminals on the left side, the bottom plate of the outer shell is provided with through holes corresponding to the fan, the side wall of the outer shell is provided with uniformly distributed radiating holes, the circuit board is radiated, and heat accumulation is reduced.

Further, the radiating component further comprises radiating fins, the radiating fins are uniformly arranged on the lower surface of the circuit board, the radiating fins are matched with the fan, the heat exchange area is increased, and the radiating efficiency is improved.

Further, the radiating fins correspond to the radiating holes in the transverse direction, so that heat can be conveniently and rapidly discharged.

Further, the heat dissipation assembly further comprises semiconductor refrigerating sheets, the semiconductor refrigerating sheets are symmetrically arranged inside the bottom plate of the outer shell, the input ends of the semiconductor refrigerating sheets are electrically connected with the two wiring terminals on the left side, the cold ends of the semiconductor refrigerating sheets are in contact with the lower surface of the circuit board, the hot ends of the semiconductor refrigerating sheets extend to the outside of the outer shell, and heat dissipation is further carried out on the circuit board through the semiconductor refrigerating sheets.

Further, the inner wall of the through hole of the bottom plate of the outer shell is provided with a dust screen to prevent dust from entering the inner part of the outer shell.

Furthermore, the lower ends of the side walls of the outer shell are symmetrically provided with fixing lugs, so that the outer shell can be conveniently installed and fixed.

Compared with the prior art, the utility model has the beneficial effects that: the zero transition dynamic regulator has the following advantages:

the fan is put through the electricity and is done to the circuit board, make the circuit board conduct the heat of fin and pass through the louvre fast and discharge, simultaneously, when there is the electric current in the thermocouple centering of semiconductor refrigeration piece, will produce heat transfer between the both ends of semiconductor refrigeration piece, the heat will be followed the cold junction and will be shifted to the hot junction, the cold junction of semiconductor refrigeration piece absorbs the inside heat of circuit board, further improved the radiating effect, the dust screen prevents that the dust from getting into inside the shell body, this zero transition dynamic regulator, sustainable high-efficient dispels the heat to the circuit board, guaranteed the operational environment of zero transition dynamic regulator, and the collection of dust has been reduced, and a service life is prolonged.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a bottom cross-sectional structure of the present utility model;

fig. 3 is a schematic circuit structure of the present utility model.

In the figure: 1 shell body, 2 potentiometre, 3 electric capacity, 4 steady voltage ware, 5 radiating component, 51 fans, 52 fin, 53 semiconductor refrigeration piece, 6 dust screen, 7 circuit board, 8 binding post, 9 fixed lugs, 10 louvre, 11 fixed column, 12 resistance.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a zero transition dynamic regulator, comprising an outer shell 1 and a heat dissipation assembly 5;

outer casing 1: the upper surface symmetry of inside is equipped with fixed column 11, the lower extreme of fixed column 11 all passes through screw fixed connection with circuit board 7, the upper surface symmetry of circuit board 7 is equipped with electric capacity 3, the upper surface of circuit board 7 is equipped with potentiometre 2 respectively, stabiliser 4 and resistance 12, the upper end of stabiliser 4 passes the roof of shell body and extends to the top of shell body, the output pin of potentiometre 2 is connected with the adjustment pin electricity of stabiliser 4, the both ends of resistance 12 are connected with the adjustment pin and the output pin electricity of stabiliser 4 respectively, the positive pole of two electric capacities 3 is connected with the input pin and the output pin electricity of stabiliser 4 respectively, the negative pole of two electric capacities 3 all is connected with the input pin electricity of potentiometre 2, the input pin of potentiometre 2 passes through the wiring end 8 electricity of left side front end and connects the negative pole of external power source, the input pin of stabiliser 4 passes through the wiring end 8 electricity of left side rear end and is connected with the wiring end 8 electricity of right side rear end, two wiring end 8 electricity on the front side are connected, knob adjustment input voltage value of potentiometre 2 is guaranteed through the knob adjustment voltage value of stabiliser 4 and is equipped with the stable side wall 1 of outer side of the shell body of symmetry 1, the fixed mounting of being convenient for.

Heat dissipation assembly 5: the heat dissipation component 5 comprises a fan 51, the fan 51 is arranged in the middle of the lower surface of the circuit board 7, the input end of the fan 51 is respectively and electrically connected with two wiring terminals 8 on the left side, the fan 51 is powered to blow air to the circuit board 7, heat conducted to the heat dissipation fins 52 by the circuit board 7 is quickly discharged through the heat dissipation holes 10, the bottom plate of the outer shell 1 is provided with through holes corresponding to the fan 51, the inner wall of the through holes of the bottom plate of the outer shell 1 is provided with a dust screen 6, dust is prevented from entering the inner part of the outer shell 1, the side wall of the outer shell 1 is provided with uniformly distributed heat dissipation holes 10, the circuit board 7 is dissipated, heat accumulation is reduced, the heat dissipation component 5 also comprises heat dissipation fins 52, the heat dissipation fins 52 are uniformly arranged on the lower surface of the circuit board 7, the heat dissipation fins 52 are matched with the fan 51, the heat exchange area is increased, the heat radiation efficiency is improved, the radiating fin 52 corresponds with the transverse position of the radiating hole 10, the rapid heat discharge is facilitated, the heat radiation assembly 5 further comprises semiconductor refrigerating fins 53, the semiconductor refrigerating fins 53 are symmetrically arranged inside the bottom plate of the outer shell 1, the input ends of the semiconductor refrigerating fins 53 are electrically connected with two wiring terminals 8 on the left side, the cold ends of the semiconductor refrigerating fins 53 are in contact with the lower surface of the circuit board 7, the hot ends of the semiconductor refrigerating fins 53 extend to the outside of the outer shell 1, when electric current flows in the thermocouple pair of the semiconductor refrigerating fins 53, heat transfer is generated between the two ends of the semiconductor refrigerating fins 53, heat is transferred to the hot ends from the cold ends, and the cold ends of the semiconductor refrigerating fins 53 absorb the heat inside the circuit board 7.

The working principle of the zero transition dynamic regulator provided by the utility model is as follows:

the outer shell 1 is fixedly connected through the fixing lug 9, the two wiring terminals 8 on the left side are respectively and electrically connected with the two wiring terminals of the external control switch, the knob of the rotary potentiometer 2 is used for adjusting the input voltage value, the output voltage is obtained through the sampling circuit of the voltage stabilizer 4, the output voltage is compared with the reference voltage, if the output voltage is smaller than the reference voltage, the error value is amplified through the amplifying circuit and then sent to the input end of the regulator, the output voltage is increased through the regulator until the output voltage is equal to the reference value, if the output voltage is larger than the sharp turn voltage, the output is reduced through the regulator, so that the stability of the output voltage is ensured, the capacitor 3 is used for changing transient response, the fan 51 is electrified to blow the circuit board 7, the heat conducted to the radiating fin 52 by the circuit board 7 is discharged through the heat dissipation hole 10 quickly, meanwhile, when the thermocouple of the semiconductor refrigerating fin 53 is centered, heat transfer is generated between the two ends of the semiconductor refrigerating fin 53, the heat is transferred from the cold end to the hot end, the cold end of the semiconductor refrigerating fin 53 absorbs the heat inside the circuit board 7, the dust is further improved, and the dust is prevented from entering the outer shell 1.

It should be noted that, in the above embodiment, the potentiometer 2, the capacitor 3, the voltage stabilizer 4, the fan 51, the semiconductor refrigeration piece 53 and the resistor 12 can be freely configured according to practical application scenarios, the potentiometer 2 is recommended to use a 10K potentiometer, the capacitor 3 can use a 2×100uf capacitor, the voltage stabilizer 4 can use an LM317 voltage stabilizer, and the external control switch controls the potentiometer 2, the capacitor 3, the voltage stabilizer 4, the fan 51, the semiconductor refrigeration piece 53 and the resistor 12 to work by a method commonly used in the prior art.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims

1. A zero transition dynamic regulator, characterized by: comprises an outer shell (1) and a heat dissipation assembly (5);

outer casing (1): the upper surface of the circuit board (7) is symmetrically provided with a potentiometer (2), a voltage stabilizer (4) and a resistor (12), the upper end of the voltage stabilizer (4) passes through a top plate of the outer shell and extends to the upper side of the outer shell, the output pin of the potentiometer (2) is electrically connected with the adjusting pin of the voltage stabilizer (4), two ends of the resistor (12) are respectively electrically connected with the adjusting pin and the output pin of the voltage stabilizer (4), the positive poles of the two capacitors (3) are respectively electrically connected with the input pin and the output pin of the voltage stabilizer (4), the negative poles of the two capacitors (3) are respectively electrically connected with the input pin of the potentiometer (2), the input pin of the potentiometer (2) is electrically connected with the negative pole of an external power supply through a wiring terminal (8) at the front end on the left side, the input pin of the voltage stabilizer (4) is electrically connected with the positive pole of the wiring terminal (8) at the rear end on the right side, and the two positive pole of the wiring terminal (8) are electrically connected with the power supply terminal (8) at the rear end on the right side;

heat dissipation assembly (5): is arranged on the lower surface of the circuit board (7).

2. A zero transition dynamic regulator as defined in claim 1, wherein: the heat dissipation assembly (5) comprises a fan (51), the fan (51) is arranged in the middle of the lower surface of the circuit board (7), the input end of the fan (51) is respectively electrically connected with two wiring terminals (8) on the left side, a through hole corresponding to the fan (51) is formed in the bottom plate of the outer shell (1), and heat dissipation holes (10) which are uniformly distributed are formed in the side wall of the outer shell (1).

3. A zero transition dynamic regulator as defined in claim 2, wherein: the heat dissipation assembly (5) further comprises heat dissipation fins (52), the heat dissipation fins (52) are uniformly arranged on the lower surface of the circuit board (7), and the heat dissipation fins (52) are matched with the fan (51).

4. A zero transition dynamic regulator as defined in claim 3, wherein: the radiating fins (52) correspond to the transverse positions of the radiating holes (10).

5. A zero transition dynamic regulator as defined in claim 1, wherein: the heat dissipation assembly (5) further comprises semiconductor refrigerating sheets (53), the semiconductor refrigerating sheets (53) are symmetrically arranged inside the bottom plate of the outer shell body (1), the input ends of the semiconductor refrigerating sheets (53) are electrically connected with the two wiring terminals (8) on the left side, the cold ends of the semiconductor refrigerating sheets (53) are in contact with the lower surface of the circuit board (7), and the hot ends of the semiconductor refrigerating sheets (53) extend to the outside of the outer shell body (1).

6. A zero transition dynamic regulator as defined in claim 2, wherein: the inner wall of the through hole of the bottom plate of the outer shell (1) is provided with a dustproof net (6).

7. A zero transition dynamic regulator as defined in claim 1, wherein: fixing lugs (9) are symmetrically arranged at the lower ends of the side walls of the outer shell (1).