CN-224218707-U - Ventilation and heat dissipation mechanism for automatic quasi-synchronization device

Abstract

The utility model belongs to the technical field of grid-connected equipment, and particularly relates to a ventilation and heat dissipation mechanism for an automatic quasi-synchronization device, which comprises a box body, a double-shaft motor, a fan wheel, a dust cover, a clamping piece, a lifting mechanism, a supporting table, a rotating block, a cross rod, a brush head and a temperature sensor, wherein the box body is provided with a plurality of grooves; the utility model uses the brush head to brush the inner periphery of the dust cover, thereby dredging the air inlet hole, realizing active dust prevention, ensuring the smoothness of the heat dissipation channel, reducing the operation and maintenance workload without manual regular cleaning, and also uses the clamping and separating of the clamping piece and the rotating block and the perception of the temperature sensor to the inner temperature, so that the brush head realizes intermittent operation, thereby ensuring the dredging effect, reducing the energy consumption and reducing the abrasion of the brush head, and finally, the dust cover is arranged on the bottom surface of the box body, and all the components are intensively arranged in the dust cover, thereby reducing the occupation of the inner space of the box body, leading the layout space of the core components to be large and improving the compactness and expansibility of the structure.

Inventors

• ZHANG TAO

Assignees

• 扬州金圆化工设备有限公司

Dates

Publication Date

20260508

Application Date

20250512

Claims (8)

1. 1. The utility model provides an automatic accurate synchronization ventilation and heat dissipation mechanism for device which characterized in that includes: The side face of the box body is provided with a plurality of heat dissipation holes, and the bottom face of the box body is provided with a plurality of air inlets; The double-shaft motor is vertically arranged on the bottom surface of the box body in a penetrating manner, the upper shaft is positioned in the box body, and the lower shaft extends out of the box body; the fan wheel is arranged on the upper shaft of the double-shaft motor and is positioned right above the air inlet; The dustproof cover is in a disc-shaped structure, is arranged on the bottom surface of the box body, covers all the air inlets, and is provided with a plurality of air inlets at the periphery; the clamping piece is arranged on the lower shaft of the double-shaft motor; The lifting mechanism is arranged in the dust cover; the supporting table is positioned in the dust cover and is in transmission connection with the lifting mechanism; The rotating block is rotatably arranged on the supporting table and is provided with a clamping part matched with the clamping piece, and the rotating shaft is coaxially arranged with the double-shaft motor and the dust cover; The transverse rods are arranged in a plurality and are uniformly arranged on the periphery of the rotating block; The brush heads are configured in a plurality, are arranged at one end of the cross rod, which is far away from the rotating block, and are in contact with the inner periphery of the dust cover; And the temperature sensor is arranged in the box body.
2. 2. The ventilation and heat dissipation mechanism for an automatic quasi-synchronization device according to claim 1, comprising: the air guide ring is arranged on the bottom surface of the box body and sleeved outside the fan wheel.
3. 3. The ventilation and heat dissipation mechanism for an automatic quasi-synchronization device according to claim 1, comprising: The upper end cover is arranged on the inner bottom surface of the box body and covers the upper end of the double-shaft motor; the lower end cover is arranged on the outer bottom surface of the box body and covers the lower end of the double-shaft motor.
4. 4. The ventilation and heat dissipation mechanism for an automatic quasi-synchronization device according to claim 1, wherein a plurality of said air inlets are uniformly arranged around said biaxial motor.
5. 5. The ventilation and heat dissipation mechanism for an automatic quasi-synchronization device according to claim 1, wherein a containing groove is formed in the center of the inner bottom surface of the dust cover, the lifting mechanism is mounted at the bottom of the containing groove, and the supporting table is vertically in sliding fit with the containing groove.
6. 6. The ventilation and heat dissipation mechanism for an automatic synchronization device according to claim 5, wherein the lifting mechanism is a push-pull electromagnet, and the driving end is connected with the bottom surface of the supporting table.
7. 7. The ventilation and heat dissipation mechanism for the automatic quasi-synchronization device according to claim 1, wherein the top of the rotating block is provided with a first butt joint surface, the clamping part is arranged on the first butt joint surface, the bottom of the clamping part is provided with a second butt joint surface, and the second butt joint surface is provided with a clamping groove with a shape complementary to that of the clamping part.
8. 8. The mechanism for ventilating and cooling an automatic quasi-synchronization device according to claim 1, wherein a convex column is arranged in the center of the top surface of the supporting table, and the rotating block is rotatably sleeved on the convex column.

Description

Ventilation and heat dissipation mechanism for automatic quasi-synchronization device Technical Field The utility model belongs to the technical field of grid-connected equipment, and particularly relates to a ventilation and heat dissipation mechanism for an automatic quasi-synchronization device. Background The condensed gas type screw expansion generator set is an important component of a distributed energy system, can perform acting power generation by recovering low-grade heat sources such as industrial waste heat or geothermal energy, has the advantages of high energy utilization efficiency, strong adaptability and the like, but has the characteristics of large fluctuation of output voltage frequency and synchronization voltage, frequency and phase due to the low rotation speed and heat source fluctuation characteristics. In this way, the traditional grid-connected mode is easy to generate impact current due to response lag, so that the rotor is overheated, insulation damage and even protection tripping are caused. The automatic quasi-synchronization device realizes zero-phase-difference instantaneous closing based on constant forward time control after frequency difference/pressure difference convergence through real-time monitoring and dynamic closed-loop adjustment, limits impact current to a rated value, and becomes a core technology for guaranteeing safe grid connection of the screw expansion unit and improving distributed power generation efficiency. However, the ventilation and heat dissipation mechanism of the existing automatic quasi-synchronization device lacks an active dustproof design, an air inlet is easy to be blocked by impurities such as dust, so that an internal heat dissipation channel is blocked, thereby causing overheat of components, performance reduction and even failure shutdown, the components are required to be cleaned manually at regular intervals, the operation and maintenance workload is increased, related component structures are dispersed, the internal space of the device is excessively occupied, the layout space of a core component is small, and the expansibility is limited. Disclosure of utility model The utility model aims to provide a ventilation and heat dissipation mechanism for an automatic quasi-synchronization device, which solves the technical problems that the prior art lacks active dustproof design, has a scattered structure and occupies too much internal space. The utility model discloses a ventilation and heat dissipation mechanism for an automatic quasi-synchronization device, which comprises the following components: The side face of the box body is provided with a plurality of heat dissipation holes, and the bottom face of the box body is provided with a plurality of air inlets; The double-shaft motor is vertically arranged on the bottom surface of the box body in a penetrating manner, the upper shaft is positioned in the box body, and the lower shaft extends out of the box body; the fan wheel is arranged on the upper shaft of the double-shaft motor and is positioned right above the air inlet; The dustproof cover is in a disc-shaped structure, is arranged on the bottom surface of the box body, covers all the air inlets, and is provided with a plurality of air inlets at the periphery; the clamping piece is arranged on the lower shaft of the double-shaft motor; The lifting mechanism is arranged in the dust cover; the supporting table is positioned in the dust cover and is in transmission connection with the lifting mechanism; The rotating block is rotatably arranged on the supporting table and is provided with a clamping part matched with the clamping piece, and the rotating shaft is coaxially arranged with the double-shaft motor and the dust cover; The transverse rods are arranged in a plurality and are uniformly arranged on the periphery of the rotating block; The brush heads are configured in a plurality, are arranged at one end of the cross rod, which is far away from the rotating block, and are in contact with the inner periphery of the dust cover; And the temperature sensor is arranged in the box body. The application realizes active dust prevention, ensures the smoothness of an internal heat dissipation channel, does not need manual regular cleaning, reduces operation and maintenance workload, has the functions of saving energy, protecting environment and prolonging service life, greatly reduces the occupation of the internal space of the box body, and ensures that the layout space of core components is large, thereby improving the compactness and expansibility of the structure. Based on the technical scheme, the scheme of the application can be improved as follows: preferably, it comprises: By adopting the scheme, a diversion channel is formed, and the air suction of the air inlet hole is accelerated, so that the heat dissipation effect is improved. Preferably, it comprises: The upper end cover is arranged on the inner bottom surface of the box bod