CN215345356U

CN215345356U - High-precision vector type frequency converter

Info

Publication number: CN215345356U
Application number: CN202121125698.1U
Authority: CN
Inventors: 郑建龙; 谷小路; 袁涛
Original assignee: Zhejiang Huitian Intelligent Industry Development Co ltd
Current assignee: Zhejiang Huitian Intelligent Industry Development Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-28
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a high-precision vector type frequency converter which comprises a case, a bottom plate arranged on the case, a water cooling device and a protection structure for protecting the case, wherein the water cooling device comprises a water tank arranged on the case, a water cooling pipe arranged on the case, a water pump for driving cooling liquid to circulate, an installation structure for detachably installing the water cooling pipe on the case, an air exchange groove arranged on the case and an air exchange hole arranged on the case, and the water cooling pipe is arranged in a reciprocating spiral manner.

Description

High-precision vector type frequency converter

Technical Field

The utility model belongs to the technical field of frequency converters, and particularly relates to a high-precision vector type frequency converter.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. Frequency converters are widely applied to production equipment in various manufacturing fields, such as wire drawing machines, stirring machines, extruding machines, splitting machines, winding machines, centrifugal machines and the like, at present, many frequency converters are not in an independent room, some frequency converters are directly exposed in workshops, and other frequency converters are even directly applied to field environments such as grasslands and deserts to work.

In the use process of the frequency converter, in order to protect the frequency converter from being damaged, an external case is often arranged for protection, but the arrangement of the case often influences the heat dissipation effect of the frequency converter, so that the performance of the frequency converter is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-precision vector type frequency converter with good heat dissipation effect to overcome the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: a high-precision vector type frequency converter comprises a case, a bottom plate arranged on the case, a water cooling device and a protection device for protecting the case, wherein the water cooling device comprises a water tank arranged on the case, a water cooling pipe arranged on the case, a water pump for driving cooling liquid to circulate, an installation structure for detachably installing the water cooling pipe on the case, an air exchange groove arranged on the case and an air exchange hole arranged on the case, and the water cooling pipe is arranged in a reciprocating spiral manner; through the arrangement of the water cooling device, when electronic elements in the frequency converter work, heat is generated, hot air flows through the ventilating holes are in contact with the water cooling pipe, and cooling liquid is driven by the water pump to flow along the water cooling pipe so as to circularly absorb the heat generated by the electronic elements, so that the water cooling of the frequency converter is realized, and the normal work of the frequency converter is ensured; meanwhile, through the special bending arrangement of the water-cooling pipe, the hot air flow can be further fully contacted with the water-cooling pipe, and the cooling effect of the water-cooling device is ensured; meanwhile, through the arrangement of the air exchange groove, the exhaust area is increased, so that the rapid discharge of hot air is further ensured.

Preferably, a plurality of prismatic tubes are fixedly connected to the water-cooling tube; through the arrangement of the prismatic tube, the contact between the hot air flow and the water cooling tube is effectively increased, and the cooling effect of the water cooling device is further effectively improved.

Preferably, the mounting structure comprises a mounting frame arranged on the chassis, a clamping groove arranged on the mounting frame, and a special-shaped groove arranged on a groove wall of the clamping groove, and the prismatic tube can be clamped into the special-shaped groove in a matched manner; through mounting structure's setting need not extra fixing tool, the accessible will arris pipe strap inserts in the dysmorphism inslot, alright realize fixed to the location of cooling tube, thereby be convenient for the maintenance is traded in tearing open of cooling tube, guarantees cooling device's cooling effect.

Preferably, the mounting structure further comprises an arc platform arranged on the prismatic tube, a pressing spring arranged in the prismatic tube and a fastening groove arranged on the mounting rack; through the arrangement of the mounting structure, when the cooling pipe is clamped into the clamping groove, the arc table can be buckled in the buckling groove under the action of the abutting spring, so that the further positioning of the cooling pipe mounting is realized; meanwhile, when the cooling pipe is filled with water, the circular arc table can be pressed under the water pressure to limit the circular arc table and the buckling groove from being separated, so that the cooling pipe is further installed and fixed.

Preferably, the protection device comprises a protection frame arranged on the bottom plate, a protection plate arranged on the protection frame, an arc-shaped plate arranged on the protection plate and a buffer spring arranged in the arc-shaped plate; through protection device's setting, when receiving external impact, but the arc accessible cambered surface disperses the power of unloading to realize the buffering through the deformation of arc and buffer spring's compression, protection machine case and cooling device avoid the damage, with the normal work of further assurance converter.

Preferably, the protection device further comprises a buffer block arranged between the arc-shaped plate and the protection plate, two branches are arranged on the buffer block, and friction teeth are arranged on the branches; through protection device's further setting, when receiving the impact, deformation can take place for the buffer block to further realize the buffering, simultaneously pass through the fork takes place the friction under the extrusion for quick-witted outer wall of the case, with the energy transformation heat energy and the acting of perpendicular impact force direction of part impact production, in order to realize shock-absorbing function, avoid buffer spring reverse reset to produce the vibration, further guarantee the normal work of converter.

In summary, the utility model has the following advantages: through the setting of water cooling plant, can produce the heat when the inside electronic component of converter during operation, through the draught hole hot gas stream with the water-cooling tube contact, the drive coolant liquid through the water pump flows along the water-cooling tube to carry out the circulation absorption with electronic component production heat, thereby realize the water-cooling to the converter, guarantee the normal work of converter.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic cross-sectional view at a-a in fig. 2.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic cross-sectional view at B-B in fig. 2.

Fig. 6 is a partially enlarged view of fig. 5 at B.

Fig. 7 is a partial enlarged view at C in fig. 5.

Detailed Description

As shown in fig. 1-7, a high-precision vector-type frequency converter includes a case 1, a bottom plate 11, a water cooling device and a protection device, wherein the bottom of the case 1 is fixedly connected with the bottom plate 11, and electronic components corresponding to the frequency converter are fixedly mounted in the case.

Further, the water cooling device comprises a water tank 21, a water cooling pipe 22, a water pump 23, a mounting structure, an air exchange groove 24 and an air exchange hole 25, wherein the water tank 21 is fixedly mounted on the bottom plate 11; the water-cooling tube 22 is fixedly arranged on the outer wall of the case 1 through the mounting structure, the head and the tail of the water-cooling tube are communicated with the water tank 21, the water-cooling tube 22 is arranged in an S-shaped reciprocating spiral manner, a plurality of prismatic tubes 26 are uniformly and fixedly connected to the outer wall of the water-cooling tube 22 along the circumferential direction of the water-cooling tube, and the prismatic tubes 26 are in a T shape; the water pump 23 is fixedly connected with a section of water-cooling pipe 22 for circulating and flowing of cooling liquid in the cooling pipe; a plurality of ventilation grooves 24 are formed on the inner wall of the case 1, and a plurality of ventilation holes 25 are formed along the upper edge of the wall of each ventilation groove 24.

Further, the mounting structure includes a mounting frame 31, a clamping groove 32, a special-shaped groove 33, an arc table 34, a pressing spring 35 and a fastening groove 36, wherein the mounting frame 31 is fixedly connected to the outer wall of the case 1 and is provided with a plurality of rows in the height direction of the case 1; the mounting frame 31 is provided with a clamping groove 32, the clamping groove 32 is in a major arc shape, the inner wall of the clamping groove 32 is uniformly provided with a plurality of special-shaped grooves 33 along the circumferential direction, the edge tube 26 can be clamped into the special-shaped grooves 33 in a matched manner, and the cross section of each special-shaped groove 33 is in an inverted T shape; the arc platforms 34 are fixedly connected to the outer wall surfaces of the prismatic tubes 26 far away from the water-cooling tubes 22 and are arranged in the axial direction of the water-cooling tubes 22; the pressing spring 35 is located in the prismatic tube 26, one end of the pressing spring abuts against the arc table 34, and the other end of the pressing spring is fixedly connected to the inner wall surface of the prismatic tube 26, which is close to the root part of the prismatic tube 26; the end surface of the special-shaped groove 33 at the top of the T shape is provided with the fastening groove 36, and the arc table 34 can be correspondingly fastened in the fastening groove 36.

Further, the protection device includes a protection frame 41, a protection plate 42, an arc-shaped plate 43, a buffer spring 44 and a buffer block 45, wherein the protection frame 41 is fixedly connected to the bottom plate 11 and surrounds the circumferential direction of the case 1; the protection plates 42 are hinged to the protection frame 41 and are correspondingly provided with a plurality of protection plates, and the protection plates can be fixedly connected to the protection frame through bolts; the arc-shaped plate 43 is fixedly connected to the outer wall of the protection plate 42; the buffer springs 44 and the buffer blocks 45 are fixedly connected in a gap between the arc-shaped plate 43 and the protection plate 42, a plurality of buffer springs 44 and buffer blocks 45 are arranged, one end of each buffer spring 44 is fixedly connected to the arc-shaped plate 43, and the other end of each buffer spring 44 is fixedly connected to the protection plate 42; buffer block 45 is the rubber material, and its one end that is close to protection shield 42 is served and is gone up the rigid coupling and have two branches 46, the rigid coupling has a plurality of friction teeth 47 on the branch 46, friction teeth 47 court deviates from buffer block 45's direction is crooked setting, buffer block 45's one end rigid coupling in on the arc 43, branch 46 butt in on the protection shield 42.

The specific implementation process of the utility model is as follows: through the arrangement of the water cooling device, when electronic elements inside the frequency converter work, heat is generated, hot air flows through the ventilating holes 25 to be in contact with the water cooling pipe 22, and driving cooling liquid flows along the water cooling pipe 22 through the water pump 23 so as to circularly absorb the heat generated by the electronic elements, so that the water cooling of the frequency converter is realized, and the normal work of the frequency converter is ensured.

Claims

1. The utility model provides a high accuracy vector type converter, includes quick-witted case (1), locates bottom plate (11), water cooling plant on quick-witted case (1) and be used for protecting the protection device of quick-witted case (1), its characterized in that: the water cooling device comprises a water tank (21) arranged on the case (1), a water cooling pipe (22) arranged on the case (1), a water pump (23) used for driving cooling liquid to circulate, a mounting structure used for detachably mounting the water cooling pipe (22) on the case (1), an air exchange groove (24) arranged on the case (1) and an air exchange hole (25) arranged on the case (1), wherein the water cooling pipe (22) is arranged in a reciprocating spiral mode.

2. A high precision vector type frequency converter according to claim 1, characterized in that: the water-cooling pipe (22) is fixedly connected with a plurality of prismatic pipes (26).

3. A high precision vector type frequency converter according to claim 2, characterized in that: mounting structure is including locating mounting bracket (31) on quick-witted case (1), locating draw-in groove (32) on mounting bracket (31) and locating dysmorphism groove (33) on draw-in groove (32) cell wall, arris pipe (26) cooperable card is gone into in dysmorphism groove (33).

4. A high precision vector type frequency converter according to claim 3, characterized in that: the mounting structure further comprises an arc platform (34) arranged on the edge tube (26), a pressing spring (35) arranged in the edge tube (26) and a buckling groove (36) arranged on the mounting rack (31).

5. A high precision vector type frequency converter according to claim 1, characterized in that: the protection device comprises a protection frame (41) arranged on the bottom plate (11), a protection plate (42) arranged on the protection frame (41), an arc-shaped plate (43) arranged on the protection plate (42) and a buffer spring (44) arranged in the arc-shaped plate (43).

6. A high precision vector type frequency converter according to claim 5, characterized in that: the protection device is characterized by further comprising a buffer block (45) arranged between the arc-shaped plate and the protection plate (42), wherein two branches (46) are arranged on the buffer block (45), and friction teeth (47) are arranged on the branches (46).