CN213244606U

CN213244606U - Vibration isolation type electric intelligent control cabinet

Info

Publication number: CN213244606U
Application number: CN202022320379.8U
Authority: CN
Inventors: 陈乃华
Original assignee: Zhejiang Supcon Xizi Technology Co ltd
Current assignee: Zhejiang Supcon Xizi Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-05-18
Anticipated expiration: 2030-10-16

Abstract

The application relates to an electric intelligent control cabinet of vibration isolation formula relates to the technical field of electric control cabinet. At present, an electrical control cabinet is generally installed on an airplane, a train and a ship, and various electrical elements are installed in the electrical control cabinet, so that the effective operation of an electrical control system is ensured. The electrical control cabinet is often subjected to impact and vibration in the working process, which may cause damage and failure of electrical elements. This application includes the cabinet body and vibration isolation subassembly, and the cabinet body includes the frame and installs the casing at the frame surface, and the vibration isolation subassembly includes damping shock absorber, damping support, rotates to connect in the first connecting piece of damping shock absorber one end and rotate to connect in the second connecting piece of the damping shock absorber other end, is favorable to reducing the influence of external impact force or other vibration factors to the electrical control cabinet, promotes electrical control system's normal operating.

Description

Vibration isolation type electric intelligent control cabinet

Technical Field

The application relates to the technical field of electrical control cabinets, in particular to an electric intelligent control cabinet with vibration isolation.

Background

In an electric automatic control system, an electric control cabinet is a vital component of the electric automatic control system, and is an infrastructure for realizing an operation function of the automatic control system. In recent years, with the increasing development of the electrification automatic control technology, the application field of the electrification automatic control technology is wider. By effectively combining various electrical elements into the electric cabinet, the power and the quantity of the equipment can be effectively controlled.

The electrical control cabinet is a combined type device, and is susceptible to various factors under the action of a mechanical environment, particularly on aircrafts, ships and trains, the interior of the control cabinet is often subjected to vibration and impact, and the influence on structural members and parts is easily caused.

If the electrical control cabinet is disturbed, resonance effects occur, and if the vibration is too frequent, large amplitudes are formed. Therefore, after long-time use, the internal electronic elements of the electrical control cabinet are damaged and lose efficacy due to overload application or the influence of external impact force and vibration factors on the materials of the equipment in the electrical control cabinet, so that the normal operation of the whole electrical control system is influenced.

SUMMERY OF THE UTILITY MODEL

In order to reduce external factors to electric control cabinet's vibration, impact, promote electric control system's normal clear, the application provides an electric intelligent control cabinet of vibration isolation formula.

The application provides a pair of formula that insulates against vibration electric intelligent control cabinet adopts following technological means:

the utility model provides an electric intelligent control cabinet of vibration isolation formula, includes the cabinet body, and the cabinet body includes the frame and installs the casing at the frame surface, still includes the vibration isolation subassembly, and the vibration isolation subassembly includes the damping shock absorber, and the outer peripheral face cover of damping shock absorber is equipped with the elastic component, and damping shock absorber one end is rotated and is connected in the cabinet body and the other end is used for rotating with ground and is connected.

Through adopting above-mentioned technical scheme, when external factors arouse the electric control cabinet vibration, the elastic component is tensile or compression under the vibration effect, then reciprocating motion takes place for the piston of damping shock absorber, the inside fluid of damping shock absorber reciprocates in the orifice on the piston among the reciprocating motion process, thereby turn into the friction heat energy that fluid motion produced with vibration energy, realize the purpose of damping, be favorable to reducing the influence of external impact force or other vibration factors to the electric control cabinet, be favorable to reducing the condition that inside electronic component loses efficacy because of the vibration damage, promote electric control system's normal operating.

Optionally, the damping vibration absorber is rotatably connected to the frame.

Through adopting above-mentioned technical scheme, install on the casing for the damping shock absorber, it is better to install the effect on the frame, because the structural strength of frame is higher than the casing, the influence of vibration to the frame is less, and the frame is difficult to lead to the condition of fatigue failure because of the vibration, is favorable to improve equipment's life.

Optionally, the number of the damping shock absorbers is four, one damping shock absorber is mounted at each of four corners of the cabinet body, and the vertical planes where the axes of the two adjacent damping shock absorbers are located are perpendicular to each other.

By adopting the technical scheme, the orientation of the two adjacent damping vibration absorbers is 90 degrees, the orientation of the two nonadjacent damping vibration absorbers is opposite, so that no matter which direction the electric control cabinet has the tendency of inclined vibration after being excited, at least two nonadjacent damping vibration absorbers are in a working state, one damping vibration absorber is in a compression stroke, the other damping vibration absorber is in a stretching stroke, the vibration attenuation in a short time is facilitated, and the vibration isolation capability of the electric control cabinet is improved.

Optionally, the vibration isolation assembly further comprises a first connecting piece arranged between the cabinet body and the damping vibration absorber, and the first connecting piece comprises a first cushion pad attached to the cabinet body.

Through adopting above-mentioned technical scheme, owing to set up first blotter, the cabinet body takes place the vibration under external excitation, and first blotter can reduce on vibration transmission to damping shock absorber, is favorable to improving damping shock absorber's life. The damping shock absorber can attenuate the transmitted vibration, but if the vibration transmitted to the damping shock absorber is severe, the damping shock absorber may be damaged and fail.

Optionally, the vibration isolation assembly further comprises a second connecting piece arranged at one end, far away from the cabinet body, of the damping vibration absorber, and the second connecting piece is provided with a second cushion pad used for contacting with the ground.

By adopting the technical scheme, the vibration and impact are transmitted to the damping shock absorber by the ground, the influence of the external impact on the damping shock absorber is further weakened, and the service life of the damping shock absorber is prolonged.

Optionally, the vibration isolation assembly further comprises a vibration reduction bracket arranged on the lower surface of the cabinet body.

Through adopting above-mentioned technical scheme, reduce vibration and restrain the vibration transmission from the transfer route on transmitting to the cabinet body from ground, be favorable to improving electrical control cabinet's vibration isolation effect.

Optionally, the frame is provided with a first mounting hole, the first connecting piece is provided with a second mounting hole coaxial with the first mounting hole, and a pin shaft is inserted into the first mounting hole and the second mounting hole.

Through adopting above-mentioned technical scheme, because first connecting piece passes through the round pin axle to be installed on the frame, the detachability is better, easily operates, and is convenient laborsaving.

Optionally, the frame is provided with a plurality of first mounting holes, and the first mounting holes are arranged at equal intervals along the vertical direction.

By adopting the technical scheme, the installation inclination angle of the damping shock absorber can be adjusted, and the damping shock absorber is suitable for different installation environments; the first mounting hole and the different second mounting holes are matched, and the pin shaft is inserted into the first mounting hole and the second mounting hole simultaneously, so that the inclination angles of the damping shock absorbers are different; the electric control cabinet is probably installed in narrow and small space, and then leads to the electric control cabinet less with the interval of wall on every side, because damping shock absorber itself has certain length, consequently the condition of unable installation can appear, and damping shock absorber inclination is adjustable, is favorable to solving above-mentioned problem.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the scheme, the damping shock absorber and the damping support are arranged, so that the influence of external impact force or other vibration factors on the electric control cabinet is favorably reduced, and the normal operation of the electric control system is promoted;

2. in the scheme, the first cushion pad and the second cushion pad are arranged, so that the vibration transmission of the cabinet body and the ground to the damping shock absorber is favorably reduced, and the service life of the damping shock absorber is favorably prolonged;

3. in this scheme, through setting up four damping shock absorbers to four dampers are towards four directions respectively, are favorable to attenuating the vibration of electrical control cabinet in the short time, and the vibration isolation ability is stronger.

Drawings

Fig. 1 is a schematic structural diagram of a vibration isolation type electric intelligent control cabinet according to an embodiment of the present application;

FIG. 2 is an exploded view of a portion of the structure of FIG. 1;

fig. 3 is a schematic diagram of a control circuit.

Description of reference numerals: 1. a cabinet body; 11. a frame; 111. a rectangular column; 1111. a second mounting hole; 112. a support pillar; 12. a housing; 2. a vibration isolation assembly; 21. a damping vibration absorber; 22. a vibration damping support; 221. a rubber member; 222. a metal member; 223. a stud; 224. a fixing through hole; 23. a first connecting member; 231. a first vertical plate; 232. a second vertical plate; 233. a first supporting lug; 234. stranding hole bolts; 235. a first cushion pad; 236. a first mounting hole; 237. a pin shaft; 238. a cotter pin; 24. a second connecting member; 241. a base plate; 242. a second supporting lug; 243. a second cushion pad; 25. an elastic member; 3. a dryer; 4. a humidity sensor; 5. a control circuit; 51. a comparator; 52. and a controller.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses electric intelligent control cabinet of vibration isolation formula. Referring to fig. 1, a vibration isolation type electric intelligent control cabinet includes a cabinet body 1 installed on the ground and a vibration isolation assembly 2, the cabinet body 1 includes a frame 11 and a housing 12 installed between the frame 11, the vibration isolation assembly 2 includes a damping vibration absorber 21, four vibration reduction supports 22 installed at four corners of the bottom of the frame 11, a first connecting member 23 disposed between the damping vibration absorber 21 and the frame 11, and a second connecting member 24 disposed between the damping vibration absorber 21 and the ground, an elastic member 25 is sleeved on the outer peripheral surface of the damping vibration absorber 21, and the elastic member 25 is a common coil spring. This embodiment aims at reducing the influence of external impact force or other vibration factors to electrical control cabinet through setting up vibration isolation component 2, is favorable to reducing the condition that inside electronic component loses efficacy because of the vibration damage, promotes electrical control system's normal operating.

Referring to fig. 1 and 2, the frame 11 is rectangular and is formed by welding twelve rectangular columns 111, and a plurality of vertically staggered support columns 112 are welded to the lower end of the frame 11, so as to improve the bearing capacity of the electrical control cabinet for internal elements. The vibration damping support 22 comprises a rubber part 221 and a metal part 222 embedded on the rubber part 221, the rubber part 221 is formed by injection molding of rubber, and the rubber part 221 and the metal part 222 are bonded into a whole by inlet glue. A stud 223 is fixedly provided at the upper end of the metal member 222, and the vibration damping bracket 22 is mounted on the lower surface of the frame 11 via the stud 223. The vibration damping bracket 22 is provided with two fixing through holes 224 extending in the vertical direction, and the vibration damping bracket 22 can be connected to the ground by providing bolts in the fixing through holes 224. The damping vibration absorber 21 is a common cylinder type vibration absorber, and can play a role in vibration attenuation in compression and extension strokes, the vibration attenuation principle is that external vibration is converted into a mode that oil in the damping vibration absorber 21 flows in a reciprocating mode in a throttling hole, and vibration energy is converted into oil heat energy to be dissipated due to the friction effect in the oil movement process.

The damping shock absorbers 21 are arranged in four, the four damping shock absorbers 21 are respectively positioned at four corners of the cabinet body 1, and the damping shock absorbers 21 are obliquely arranged on the frame 11. The first connecting member 23 includes a first riser 231 and a second riser 232 vertically connected to the first riser 231, and the first riser 231 and the second riser 232 abut against two adjacent sides of the rectangular column 111 respectively when the rectangular column is installed. One side of the first connecting member 23 away from the rectangular column 111 is welded with a first supporting lug 233, and one end of the damping vibration absorber 21 is rotatably connected to the first supporting lug 233 through a hinge hole bolt 234. The first connecting member 23 further includes a first cushion 235 adhered to the first riser 231 and the second riser 232 on the side close to the rectangular column 111, and the first cushion 235 is made of rubber. The first supporting lifting lug 233 is located at the junction between the first vertical plate 231 and the second vertical plate 232, an included angle between a vertical plane where the axis of each damping vibration absorber 21 is located and a vertical plane where the housing 12 of the electrical control cabinet is located is 45 °, and the vertical planes where the axes of two adjacent damping vibration absorbers 21 are located are perpendicular to each other.

The vibration damping bracket 22 is provided to reduce transmission of ground vibration to the electric control cabinet, and is advantageous to alleviate impact and promote normal operation of each electric element. The damping vibration absorber 21 is mounted on the frame 11, which is more effective than the damping vibration absorber mounted on the housing 12, and since the structural strength of the frame 11 is higher than that of the housing 12, the influence of vibration on the frame 11 is small, and the frame 11 is not easily fatigue-failed due to vibration. The four damping vibration absorbers 21 are arranged, the direction of the two adjacent damping vibration absorbers 21 is 90 degrees, the direction of the two nonadjacent damping vibration absorbers 21 is opposite, the electric control cabinet has the tendency of inclined vibration towards any direction after being excited, at least two nonadjacent damping vibration absorbers 21 are in the working state, one damping vibration absorber 21 is in the compression stroke, the other damping vibration absorber 21 is in the extension stroke, the vibration attenuation in a short time is facilitated, and the vibration isolation capability of the electric control cabinet is improved.

The first connecting piece 23 is provided with a first mounting hole 236 which simultaneously penetrates through the first vertical plate 231 and the second vertical plate 232 along a horizontal straight line, the included angle between the axis of the first mounting hole 236 and the first vertical plate 231 and the included angle between the axis of the first mounting hole 236 and the second vertical plate 232 are both 45 degrees, and the first mounting hole 236 also penetrates through the first cushion pad 235. The rectangular column 111 for mounting the first connecting piece 23 is provided with a plurality of second mounting holes 1111 which are arranged at equal intervals along the vertical direction, the second mounting holes 1111 penetrate through two adjacent side surfaces of the rectangular column 111 along the horizontal straight line direction, and the diameters of the second mounting holes 1111 and the first mounting holes 236 are the same. A pin shaft 237 is inserted into the first mounting hole 236 and the second mounting hole 1111, and a tail end of the pin shaft 237 extends out of the first mounting hole 236 and is inserted with a cotter pin 238. The second connecting member 24 includes a base plate 241, a second supporting lug 242 welded to the upper surface of the base plate 241, and a second buffer 243 adhesively fixed to the lower surface of the base plate 241, one end of the damping vibration absorber 21 away from the frame 11 is rotatably connected to the second supporting lug 242 by a reamed bolt 234, and the whole second connecting member 24 can be fixedly mounted on the ground by matching with the bolt.

The first connecting piece 23 is detachably connected with the frame 11 through a pin shaft 237, so that the assembly and disassembly are convenient, and the operation is simple and labor-saving. Set up a plurality of second mounting holes 1111, aim at adjusts the inclination of damping shock absorber 21, and when round pin axle 237 was inserted and was established in different second mounting holes 1111, the inclination of whole damping shock absorber 21 was different, if the installation space of electrical control cabinet is narrow and small so that damping shock absorber 21 keeps away from the one end of frame 11 and can't be fixed subaerial, then increase the inclination of damping shock absorber 21 and be favorable to solving above-mentioned problem. The second cushion 243 is arranged to reduce the vibration of the ground from being transmitted to the damping vibration absorber 21, reduce the influence of the external vibration on the damping vibration absorber 21, and facilitate the normal operation of the damping vibration absorber 21.

If the electrical control cabinet is installed on a ship, the electrical control cabinet needs to be subjected to damp removal treatment besides the main vibration isolation problem, and electronic elements in the electrical control cabinet are likely to lose effectiveness and damage in a humid environment, so that the normal operation of the whole electrical automation system is influenced.

Referring to fig. 1 and 3, a small-sized dryer 3 is installed on the bottom surface inside the cabinet 1, a humidity sensor 4 is installed on the side wall inside the cabinet 1, and a control circuit 5 is provided between the humidity sensor 4 and the dryer 3. The control circuit 5 comprises a comparator 51 coupled to the humidity sensor 4, and a controller 52 coupled to an output terminal of the comparator 51; the humidity sensor 4 can detect the humidity inside the cabinet 1 and output a humidity detection value, the comparator 51 receives the humidity detection value and compares the humidity detection value with a preset value of the comparator 51 to output a comparison signal according to a comparison result, and the controller 52 controls the dryer 3 to work in a power-on mode or work in a power-off mode according to the comparison signal; when the humidity detected by the humidity sensor 4 is greater than the preset value of the comparator 51, the comparing unit outputs a high-level comparison signal, and the controller 52 responds to the high-level comparison signal to control the dryer 3 to operate; on the contrary, the humidity detected by the humidity sensor 4 is less than the preset value of the comparator 51, the comparison unit outputs a low-level comparison signal, and the controller 52 responds to the low-level comparison signal to control the dryer 3 to stop working.

The implementation principle of the embodiment is as follows: through installing vibration isolation component 2 on electrical control cabinet, reduce the influence of external impact force or other vibration factors to electrical control cabinet, be favorable to promoting electrical control system normal operating.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an electric intelligent control cabinet of mode of vibration isolation, includes the cabinet body (1), the cabinet body (1) includes frame (11) and installs casing (12) of frame (11) surface, its characterized in that: still include vibration isolation subassembly (2), vibration isolation subassembly (2) are including damping shock absorber (21), the outer peripheral face cover of damping shock absorber (21) is equipped with elastic component (25), damping shock absorber (21) one end rotate connect in cabinet body (1) and the other end is used for rotating with ground and connects.

2. A vibration isolation type electrical intelligent control cabinet according to claim 1, wherein: the damping vibration absorber (21) is rotatably connected to the frame (11).

3. A vibration isolation type electrical intelligent control cabinet according to claim 2, wherein: the cabinet is characterized in that the number of the damping shock absorbers (21) is four, the damping shock absorbers (21) are respectively installed at four corners of the cabinet body (1), and vertical planes where the axes of the two adjacent damping shock absorbers (21) are located are perpendicular to each other.

4. A vibration isolation type electrical intelligent control cabinet according to claim 1, wherein: the vibration isolation assembly (2) further comprises a first connecting piece (23) arranged between the cabinet body (1) and the damping vibration absorber (21), and the first connecting piece (23) comprises a first cushion pad (235) attached to the cabinet body (1).

5. A vibration isolation type electric intelligent control cabinet according to claim 4, wherein: the vibration isolation assembly (2) further comprises a second connecting piece (24) arranged at one end, far away from the cabinet body (1), of the damping vibration absorber (21), and the second connecting piece (24) is provided with a second cushion pad (243) used for being in contact with the ground.

6. A vibration isolation type electrical intelligent control cabinet according to claim 1, wherein: the vibration isolation assembly (2) further comprises a vibration reduction support (22) arranged on the lower surface of the cabinet body (1).

7. A vibration isolation type electric intelligent control cabinet according to claim 4, wherein: the frame (11) is provided with a first mounting hole (236), the first connecting piece (23) is provided with a second mounting hole (1111) coaxially arranged with the first mounting hole (236), and a pin shaft (237) is inserted into the first mounting hole (236) and the second mounting hole (1111) together.

8. A vibration isolation type electric intelligent control cabinet according to claim 7, wherein: the frame (11) is provided with a plurality of first mounting holes (236), and the first mounting holes (236) are arranged at equal intervals in the vertical direction.