Three-phase voltage stabilizer structure

Abstract

The utility model discloses a three-phase voltage stabilizer structure, and aims to provide a three-phase voltage stabilizer structure with a layered structure and a directional heat dissipation system, the key points of the technical scheme are that the three-phase voltage stabilizer structure comprises a shell and a voltage stabilizer body, and the shell is internally provided with a multi-layer mounting frame; the voltage stabilizer body comprises a main circuit area and a control area which are both arranged on the mounting frame, the main circuit area is provided with a voltage regulating circuit module, the voltage regulating circuit module comprises a plurality of independent voltage regulating units, and each independent voltage regulating unit comprises a contact type voltage regulator and a compensation transformer; the control area is provided with a control module, and the control module comprises a main control chip, a sampling circuit and a motor driving circuit; a heat dissipation module is further arranged in the shell, the heat dissipation module comprises an axial flow fan arranged on the inner side of the shell and a heat dissipation fin set arranged at the bottom of the main circuit area, and the heat dissipation fin set is attached to an electronic element of the main circuit area.

Description

TECHNICAL FIELD

[0001] The utility model relates to a three -phase voltage stabilizer structure with layered structure and directional heat dissipation system more specifically, it relates to a three -phase voltage stabilizer structure with layered structure and directional heat dissipation system. BACKGROUND

[0002] Power supply stabilizer is a kind of commonly used equipment that can automatically adjust output voltage, the equipment can keep voltage stable in the set value range, so that equipment or circuit can normally work at the specified working voltage, three -phase voltage stabilizer as the widely used voltage stabilizer of modern times, can be applicable to most power scenes.

[0003] At present, the inside of traditional three -phase voltage stabilizer is usually integrated design, various structures cannot be well distinguished, when needing to overhaul internal parts, cannot be well identified, it is very inconvenient, and most three -phase voltage stabilizers do not have special heat dissipation mechanism, and too much heat is easily accumulated after long working time, which can easily cause irreversible damage to equipment under high temperature environment, and there is great safety hazard. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model aims at providing a three -phase voltage stabilizer structure with layered structure and directional heat dissipation system.

[0005] To achieve the above object, the utility model provides the following technical scheme: a three -phase voltage stabilizer structure, including shell and voltage stabilizer body, the shell inside is equipped with multilayer mounting bracket, voltage stabilizer body includes main circuit area and control area, the main circuit area and control area are all arranged on mounting bracket, the main circuit area is equipped with voltage regulating circuit module, the voltage regulating circuit module includes several independent voltage regulating units, and each independent voltage regulating unit includes contact voltage regulator and compensation transformer connected with contact voltage regulator in series;The control area is equipped with control module, and the control module includes main control chip, sampling circuit and motor drive circuit;The shell inside is also equipped with heat dissipation module, and the heat dissipation module includes axial flow fan arranged on the inner side of shell and heat dissipation fin group arranged at the bottom of main circuit area, and the heat dissipation fin group is attached to the electronic element of main circuit area.

[0006] By adopting the technical scheme, the novel three-phase stabilizer structure comprises a voltage regulating circuit module, a control module and a heat dissipation module, each functional module is partitioned through the mounting frame arranged in the shell, maintenance of each part inside is facilitated, the voltage regulating circuit module comprises a plurality of independent voltage regulating units, a plurality of electric equipment can be regulated in voltage respectively to avoid redundant energy loss, the control module comprises a main control chip as a control center, a sampling circuit for collecting voltage information and a motor driving circuit for driving the internal motor, so that the voltage regulating precision of the stabilizer is improved, and the heat dissipation module is further arranged, the heat dissipation module comprises an axial flow fan and a heat dissipation fin group attached to the electronic components, the heat dissipation module further improves the heat dissipation performance inside the stabilizer by the combination of the two, and the overall safety performance is further improved.

[0007] The utility model further sets up: the heat dissipation fin group adopts staggered fin structure, the heat dissipation fin group includes a plurality of fins, the pitch of fin increases from the air inlet side to the air outlet side by 5mm, 7mm, 10mm gradient.

[0008] By adopting the technical scheme, the heat dissipation fin group adopts the staggered fin structure, the staggered arrangement of the fins makes the air better flow, the accelerated air flow is more conducive to heat dissipation, and the gradient increase of the pitch of the fins can improve the turbulence of the air and the flow rate of the air, so as to promote the heat dissipation inside.

[0009] The utility model further sets up: the shell side is equipped with a plurality of heat dissipation holes, and the heat dissipation hole and axial flow fan are located at the same horizontal plane.

[0010] By adopting the technical scheme, the heat dissipation holes arranged on the shell side are flush with the axial flow fan, so that the air inside the stabilizer can flow through the axial flow fan and the heat dissipation holes on both sides, and the overall heat dissipation performance is further improved.

[0011] The utility model further sets up: the carbon brush drive mechanism of contact type voltage regulator adopts step motor control.

[0012] By adopting the technical scheme, the contact type voltage regulator is controlled by the step motor, the programmable control of the drive structure can be realized, the control method is high in precision and efficiency, and does not accumulate too much error after long-time use, so that the maintenance and repair are facilitated, and the reliability of the drive mechanism is improved.

[0013] The utility model further sets up: the main control chip is built-in PID algorithm and is connected with external equipment through RS-485 interface.

[0014] By adopting the technical scheme, the PID algorithm widely applied in the control field is arranged in the main control chip, so that most mechanical control requirements can be met, and the main control chip is stable and convenient to adjust, remote control can be realized through the configuration of the RS-485 interface, and the communication mode of the interface is not easily affected by noise, and can adapt to most use scenarios.

[0015] The control module further comprises a voltage abnormality protection unit and a temperature monitoring unit.

[0016] By adopting the technical scheme, the control module further comprises a unit with a voltage abnormality protection function and a unit for monitoring temperature, so that the novel three-phase voltage stabilizer can make timely feedback when an internal circuit is abnormal, and the circuit and the temperature inside the voltage stabilizer are monitored in real time, and a corresponding sensing device can be additionally provided to protect the voltage stabilizer. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a perspective view of the three-phase voltage stabilizer structure of the utility model;

[0018] Fig. 2 It is a three-dimensional structure schematic view of the heat dissipation fin group;

[0019] Fig. 3 It is a heat dissipation mode schematic view of the heat dissipation module;

[0020] The reference signs are as follows: 1, shell; 2, mounting frame; 3, main circuit area; 4, control area; 5, axial flow fan; 6, heat dissipation fin group; 7, heat dissipation hole. DETAILED DESCRIPTION

[0021] REFERENCE Figs. 1 to 3 The three-phase voltage stabilizer structure embodiment of the utility model is further described.

[0022] In order to facilitate the description, spatial relative terms such as "upper", "lower", "left", "right" and the like are used in the embodiments to describe the relationship of one element or feature with respect to another element or feature shown in the drawings. It should be understood that, in addition to the orientation shown in the drawings, the spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the drawing is inverted, the element described as being "below" other elements or features will be positioned "above" the other elements or features. Therefore, the exemplary term "below" can include both upward and downward orientations. The device can be positioned in other ways (rotated 90 degrees or positioned in other orientations), and the spatial relative description used herein can be interpreted accordingly.

[0023] Also, the terms such as "first" and "second" and the like are merely used to distinguish one component from another component having the same name, and do not necessarily require or imply there is any such actual relationship or order between the components.

[0024] A three-phase voltage stabilizer structure, comprising a shell 1 and a voltage stabilizer body, the shell 1 is internally provided with a multi-layer mounting rack 2, the voltage stabilizer body comprises a main circuit area 3 and a control area 4, the main circuit area 3 and the control area 4 are both arranged on the mounting rack 2, the main circuit area 3 is provided with a voltage regulating circuit module, the voltage regulating circuit module comprises a plurality of independent voltage regulating units, each of the independent voltage regulating units comprises a contact voltage regulator and a compensation transformer connected in series with the contact voltage regulator; the control area 4 is provided with a control module, the control module comprises a main control chip, a sampling circuit and a motor driving circuit; the shell 1 is further internally provided with a heat dissipation module, the heat dissipation module comprises an axial flow fan 5 arranged on the inner side of the shell 1 and a heat dissipation fin group 6 arranged at the bottom of the main circuit area 3, the heat dissipation fin group 6 is attached to the electronic components of the main circuit area 3, and the beneficial effects are that each functional module is partitioned by the mounting rack 2 arranged in the shell 1, which is convenient for subsequent maintenance of each part inside, the voltage regulating circuit module comprises a plurality of independent voltage regulating units, which can regulate the voltage of a plurality of electrical equipment respectively to avoid excessive energy loss, the control module comprises a main control chip as a control center, a sampling circuit for collecting voltage information and a motor driving circuit for driving the internal motor, so that the voltage regulating precision of the voltage stabilizer is improved, and the heat dissipation module is further provided, which comprises the axial flow fan 5 and the heat dissipation fin group 6 attached to the electronic components, the heat dissipation module further improves the heat dissipation performance inside the voltage stabilizer by the combination of the two, and further improves the overall safety performance. Further, the heat dissipation fin group 6 adopts an interleaved fin structure, the heat dissipation fin group 6 comprises a plurality of fins, the spacing of the fins increases by 5mm, 7mm and 10mm from the air inlet side to the air outlet side, the heat dissipation fin group 6 adopts an interleaved fin structure, the interleaved arrangement of the fins between each other enables better air circulation, the accelerated air flow is more conducive to heat dissipation, and the gradient increase of the fin spacing can improve the turbulence of the air and the flow rate of the air, so as to promote the dissipation of internal heat.

[0025] Further, the shell 1 is provided with a plurality of heat dissipation holes 7 on the side surface, the heat dissipation holes 7 are located at the same horizontal plane as the axial flow fan 5, the heat dissipation holes 7 provided on the side surface of the shell 1 are flush with the axial flow fan 5, and the heat dissipation holes 7 and the heat dissipation module enable the air inside the voltage stabilizer to circulate through the axial flow fan and the heat dissipation holes 7 on both sides, so that the overall heat dissipation performance is further improved, the heat dissipation holes 7 cooperate with the heat dissipation module inside the voltage stabilizer, and the position of the heat dissipation holes 7 is more important than the shape, only timely exhaust of hot air can better play the effect of the heat dissipation module, and the internal voltage stabilizer can work normally.

[0026] The voltage abnormality protection unit and the temperature monitoring unit are arranged in the voltage stabilizer, and the control module further comprises a unit with voltage abnormality protection function and a unit for monitoring temperature, so that the novel three-phase voltage stabilizer can timely transmit signals to the control circuit and make feedback when internal circuit abnormity occurs, and the temperature monitoring unit can also monitor the temperature in the voltage stabilizer in real time, and a corresponding temperature sensor is usually required, which can transmit electrical signals to the control circuit and realize automatic control combined with temperature change by setting a corresponding control mode.

[0027] Further, the carbon brush driving mechanism of the contact type voltage regulator adopts a stepping motor control, which is high in precision and efficiency, does not accumulate too much error after long-time use, is convenient for subsequent maintenance and repair, and makes the reliability of the driving mechanism as a whole high, and the programmable control of the driving structure can be realized through the control method, which can be divided into three types of open-loop control system, closed-loop control system and semi-closed-loop control system, and the most widely used in the stepping motor is the PID control algorithm, which can meet the mechanical control demand of most parts, is good in stability, high in reliability, and convenient to control, further, the main control chip is connected with external equipment through an RS-485 interface, remote data transmission and remote control can be realized by configuring the RS-485 interface, and the communication mode of the interface is not easily affected by noise, and can adapt to most use scenarios.

[0028] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, and the person skilled in the art can make usual changes and replacements within the technical scheme range of the utility model, which should be included in the protection range of the utility model.

Claims

1. A three-phase voltage regulator structure, comprising a housing (1) and a voltage regulator body, characterized in that, The housing (1) has multiple mounting brackets (2) inside. The voltage regulator body includes a main circuit area (3) and a control area (4), both of which are mounted on the mounting brackets (2). The main circuit area (3) is provided with a voltage regulating circuit module, which includes several independent voltage regulating units. Each independent voltage regulating unit includes a contact voltage regulator and a compensation transformer connected in series with the contact voltage regulator. The control area (4) is equipped with a control module, which includes a main control chip, a sampling circuit and a motor drive circuit; The housing (1) is also provided with a heat dissipation module, which includes an axial flow fan (5) located inside the housing (1) and a heat dissipation fin group (6) located at the bottom of the main circuit area (3). The heat dissipation fin group (6) is attached to the electronic components of the main circuit area (3).

2. The three-phase voltage regulator structure according to claim 1, characterized in that, The heat dissipation fin group (6) adopts an interlaced fin structure. The heat dissipation fin group (6) includes several fins. The spacing of the fins increases in a gradient of 5mm, 7mm and 10mm from the air inlet side to the air outlet side.

3. The three-phase voltage regulator structure according to claim 1, characterized in that, The housing (1) has several heat dissipation holes (7) on its side, and the heat dissipation holes (7) and the axial flow fan (5) are located on the same horizontal plane.

4. The three-phase voltage regulator structure according to claim 1, characterized in that, The carbon brush drive mechanism of the contact voltage regulator is controlled by a stepper motor.

5. The three-phase voltage regulator structure according to claim 1, characterized in that, The main control chip has a built-in PID algorithm and connects to external devices via an RS-485 interface.

6. The three-phase voltage regulator structure according to claim 1, characterized in that, The control module also includes a voltage anomaly protection unit and a temperature monitoring unit.

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