Transformer heat dissipation dustproof facilities
Technical Field
The utility model relates to a transformer heat dissipation device, in particular to transformer heat dissipation dustproof equipment.
Background
The power transformer is a common electrical device, and is used for changing an alternating voltage (current) with a certain value into another voltage (current) with the same frequency or different voltages (currents) with different values, and the transformer has a phenomenon of higher temperature in the use process, works in a high-temperature environment for a long time, is easy to burn out, and even causes safety accidents such as fire and the like.
In the prior art, the fan is generally used for air cooling, but the position and the number of the fan are small, the heat dissipation effect is poor, the cooling speed of the transformer is low, the heat dissipation requirement of the transformer is difficult to meet, and the use safety of equipment is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide heat dissipation and dust prevention equipment for a transformer, which can optimize heat dissipation and dust prevention effects of the transformer and prevent the transformer from working abnormally and equipment from being damaged due to overhigh temperature or internal dust accumulation.
The utility model adopts the following technical scheme:
a transformer heat dissipation dustproof device comprises a box body and a heat dissipation mechanism, wherein a transformer installation cavity is formed in the box body, and a transformer is arranged in the transformer installation cavity; the heat dissipation mechanism comprises a water cooling mechanism and an air cooling mechanism; the water cooling mechanism is sleeved outside the transformer; the box bottom still is connected with the forced air cooling case that is provided with the fan installation cavity, and the forced air cooling case passes through first vent and the transformer installation cavity intercommunication that transformer installation cavity bottom set up, is provided with a plurality of groups forced air cooling mechanism in the fan installation cavity, still is provided with the air intake on the forced air cooling case.
The water cooling mechanism comprises a spiral pipe, the spiral pipe is sleeved on the outer side wall of the transformer, a water inlet pipe and a water outlet pipe are arranged at the top end and the rear end of the box body respectively, and the output end of the water inlet pipe and the input end of the water outlet pipe are communicated with the input end and the output end of the spiral pipe respectively.
The outer side wall of the spiral pipe is fixedly provided with a height adjusting mechanism; the height adjusting mechanism comprises a height adjusting driving mechanism and two groups of spiral pipe lifting structures with the same structure, and the two groups of spiral pipe lifting structures are respectively arranged on the front side and the rear side of the spiral pipe; each group of spiral pipe lifting structures comprises a thread driving rod, a thread moving sleeve and a spiral pipe connecting plate; the surface of the spiral pipe is connected with the thread moving sleeve through the spiral pipe connecting plate, the thread moving sleeve is in threaded connection with the thread driving rod, and the height adjusting driving mechanism drives the thread driving rods in the two sets of spiral pipe lifting structures to synchronously rotate.
The height adjusting driving mechanism comprises a height adjusting driving motor, a driving wheel, a driven wheel, a transmission belt and a bearing; the upper portions of the two thread driving rods penetrate through the top end of the box body and are respectively connected with the top end of the box body in a rotating mode through bearings, the upper ends of the two thread driving rods are respectively connected with the driving wheel and the driven wheel in a coaxial mode through connecting shafts, the output shaft of the height adjusting driving motor is connected with the driving wheel in a coaxial mode, and the driving belt is arranged on the driving wheel, the driven wheel and the driving wheel in an external mode and is respectively meshed with the driving wheel and the driven wheel.
The output end of the water inlet pipe is communicated with the input end of the spiral pipe through a telescopic pipe, and the output end of the spiral pipe is communicated with the input end of the water outlet pipe through a hose.
The air cooling mechanism comprises fan blades, a fan blade rotating shaft and a fan driving motor; the fan driving motor is coaxially connected with the fan blade rotating shaft and drives the fan blades to rotate.
The fan installation cavity in evenly be provided with four groups of forced air cooling mechanisms, the transformer installation cavity bottom that the position department corresponds to four groups of forced air cooling mechanisms of every group all is provided with first vent.
The bottom of forced air cooling case be provided with the protective housing, fan drive motor in the forced air cooling mechanism passes through the motor cabinet and sets up in the protective housing, fan drive motor's output shaft wears to locate forced air cooling bottom of the case end and passes through the bearing rotation with forced air cooling bottom of the case end and be connected.
The side of the box body is provided with a plurality of second ventilation openings, and the air inlet, the first ventilation opening and the second ventilation opening are all provided with dust screens.
The front end face of the box body is rotatably provided with a box door, and the box door is provided with a warning mark.
The utility model simultaneously utilizes the water cooling mechanism and the air cooling mechanism to dissipate the heat of the transformer. The fan in the air cooling mechanism can bring outside air into the box body, and takes away inward heat of the transformer by utilizing airflow formed by the air inlet and the air outlet so as to achieve the heat dissipation effect. Meanwhile, externally cooled liquid such as tap water and the like can be injected into the spiral pipe through the water inlet pipe to absorb heat in the box body, and the heat is brought to the outside of the box body through the water outlet pipe to carry out heat exchange, so that the heat dissipation effect of the transformer is further enhanced. Meanwhile, the dust screen provided by the utility model can effectively enhance the dust-proof effect of the utility model.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a heat dissipation mechanism according to the present invention;
FIG. 3 is a schematic view showing the structure of the spiral duct of the present invention.
Detailed Description
The utility model is described in detail below with reference to the following figures and examples:
as shown in fig. 1 to 3, the heat dissipation and dust prevention device for the transformer 2 of the present invention includes a box body 1 and a heat dissipation mechanism, wherein a transformer installation cavity is arranged in the box body 1, and the transformer 2 is arranged in the transformer installation cavity; the heat dissipation mechanism comprises a water cooling mechanism and an air cooling mechanism; the water cooling mechanism is sleeved on the outer side of the transformer 2, and the heat dissipation effect of the transformer 2 is enhanced in a water cooling heat dissipation mode. The bottom end of the box body 1 is also connected with an air cooling box 3 provided with a fan installation cavity, the air cooling box 3 is communicated with the transformer installation cavity through a first ventilation opening 4 arranged at the bottom end of the transformer installation cavity, a plurality of groups of air cooling mechanisms are arranged in the fan installation cavity, and an air inlet is further formed in the air cooling box 3. The air-cooled heat dissipation equipment can strengthen the air circulation so as to further strengthen the heat dissipation effect of the transformer 2 by matching with the water-cooled heat dissipation equipment.
In the utility model, the water cooling mechanism comprises a spiral pipe 5, the spiral pipe 5 is sleeved on the outer side wall of the transformer 2, the top end and the rear end of the box body 1 are respectively provided with a water inlet pipe 6 and a water outlet pipe 7, and the output end of the water inlet pipe 6 and the input end of the water outlet pipe 7 are respectively communicated with the input end and the output end of the spiral pipe 5. The water inlet pipe 6 and the water outlet pipe 7 can ensure the circulation of liquid used for absorbing heat in the spiral pipe 5 so as to realize heat exchange with the outside and play a good heat dissipation effect. In consideration of maintenance and replacement of the transformer 2 and position adjustment of the water cooling mechanism, in this embodiment, a height adjusting mechanism is fixedly arranged on the outer side wall of the spiral pipe 5; the height adjusting mechanism comprises a height adjusting driving mechanism and two groups of spiral pipe lifting structures with the same structure, and the two groups of spiral pipe lifting structures are respectively arranged on the front side and the rear side of the spiral pipe 5; each group of spiral pipe lifting structures comprises a thread driving rod 8, a thread moving sleeve 9 and a spiral pipe connecting plate 10; the surface of the spiral pipe 5 is connected with a thread moving sleeve 9 through a spiral pipe connecting plate 10, the thread moving sleeve 9 is in threaded connection with a thread driving rod 8, and a height adjusting driving mechanism drives the thread driving rods 8 in the two groups of spiral pipe lifting structures to synchronously rotate. Along with the rotation of screw thread actuating lever 8, spiral pipe 5 will be driven to spiral pipe connecting plate 10, reciprocates along with screw thread removal cover 9, can realize the position control between spiral pipe 5 and transformer 2.
In this embodiment, the height adjusting driving mechanism includes a height adjusting driving motor 11, a driving wheel 12, a driven wheel 13, a transmission belt 14 and a bearing 15; the upper portions of the two thread driving rods 8 penetrate through the top end of the box body 1 and are respectively rotatably connected with the top end of the box body 1 through bearings 15, the upper ends of the two thread driving rods 8 are respectively and coaxially connected with a driving wheel 12 and a driven wheel 13 through a connecting shaft, an output shaft of a height adjusting driving motor 11 is coaxially connected with the driving wheel 12, and a driving belt 14 is arranged outside the driving wheel 12 and the driven wheel 13 and is respectively meshed with the driving wheel 12 and the driven wheel 13. The cooperation of action wheel 12, follow driving wheel 13 and drive belt 14 can utilize the rotation of altitude mixture control driving motor 11 output shaft, and two screw thread actuating levers 8 of synchronous drive rotate to guarantee the stable lift of spiral pipe 5. The height adjusting driving motor 11, the driving wheel 12, the driven wheel 13 and the transmission belt 14 are all arranged on the outer surface of the upper end of the box body 1.
In order to ensure that the screw rod is stably connected with the water inlet pipe 6 and the water outlet pipe 7 in the lifting process and avoid connection failure caused by position change, the output end of the water inlet pipe 6 is communicated with the input end of the spiral pipe 5 through the telescopic pipe 16, and the output end of the spiral pipe 5 is communicated with the input end of the water outlet pipe 7 through the hose 17. The extension tube 16 can be submitted through self length to ensure that the connection between the water inlet tube 6 and the spiral rod is stable, the hose 17 has certain hardness, and in the lifting process of the spiral tube 5, under the action of the hose limit buckle (a gap is arranged between the hose limit buckle and the hose, and the horizontal movement of the hose is not hindered) the hose moves along with the hose in a synchronous horizontal manner so as to ensure the connection stability. The hose 17 can be replaced by the telescopic tube 16, and the effect of stable connection can be achieved.
The air cooling mechanism comprises fan blades, a fan blade rotating shaft and a fan driving motor; the fan driving motor is coaxially connected with the fan blade rotating shaft and drives the fan blades to rotate. In the utility model, four groups of air cooling mechanisms are uniformly arranged in the fan mounting cavity, and the bottom end of the transformer mounting cavity at the position corresponding to each group of four groups of air cooling mechanisms is provided with the first ventilation opening 4, so that good airflow transmission is realized.
In this embodiment, the bottom of forced air cooling case 3 is provided with protective housing 18, and fan drive motor among the forced air cooling mechanism passes through the motor cabinet and sets up in protective housing 18, and fan drive motor's output shaft wears to locate 3 bottoms of forced air cooling case and passes through the bearing rotation with 3 bottoms of forced air cooling case and be connected. The motor cabinet can guarantee the fixed stability of fan driving motor.
In order to realize the gas circulation channel, the side surface of the box body 1 is provided with a plurality of second ventilation openings 19, and the first ventilation openings 4 and the second ventilation openings 19 are respectively provided with a dustproof net, so that dust and impurities carried by gas entering the box body 1 are reduced, and the dustproof effect is improved.
In the utility model, the box door 20 is rotatably arranged on the front end surface of the box body 1, so that workers can observe and maintain the transformer 2 conveniently, the box door 20 is provided with the warning mark 21, and irrelevant people are warned to forbid opening the box door 20, so that the probability of safety accidents is reduced.