CN210807118U

CN210807118U - Frequency conversion starting cabinet

Info

Publication number: CN210807118U
Application number: CN201921986417.4U
Authority: CN
Inventors: 温俊录
Original assignee: Xi'an Xinhe Electrical Equipment Co ltd
Current assignee: Xi'an Xinhe Electrical Equipment Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-06-19
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses a frequency conversion starting cabinet relates to power equipment technical field. Aims to solve the problem that harmful gas enters the cabinet body through the ventilation opening. The intelligent cabinet is characterized by comprising a cabinet body, wherein a cabinet door is installed on the cabinet body, an electronic device is installed in the cabinet body, an air inlet pipe is arranged on the vertical side wall of the cabinet body adjacent to the cabinet door, the air inlet pipe is communicated with an argon storage box, an air outlet pipe is arranged on the vertical side wall of the cabinet body far away from the air inlet pipe, the air outlet pipe is connected to the argon storage box, and the air inlet pipe and the air outlet pipe penetrate through the side wall of the cabinet. The argon in the argon storage box passes through the air-supply line and goes out the tuber pipe and circulate in the cabinet body, has effectively prevented that harmful gas from getting into the cabinet body when realizing the heat dissipation of the cabinet body.

Description

Frequency conversion starting cabinet

Technical Field

The utility model relates to a power equipment's technical field, more specifically say, it relates to a frequency conversion starting cabinet.

Background

The variable frequency control cabinet is mainly used for adjusting the working frequency of equipment, reducing energy loss, stably starting the equipment and reducing the damage of large current generated when the equipment is directly started to a motor. The automatic control system can be widely applied to the automatic control of various occasions such as water supply, drainage, fire fighting, spraying pipe network pressurization, heating, ventilation, air conditioning, cold and hot water circulation and the like in industrial and agricultural production and various buildings. It can produce a large amount of heats in the use, need distribute away the heat in the regulator cubicle through exhaust device. In the traditional design, can be at the top installation exhaust fan of regulator cubicle, discharge away the heat in the regulator cubicle by a passageway is unified, nevertheless along with the entering of outside air, harmful substance such as dust also can get into the controlling element of regulator cubicle in, controlling element generally adopts integrated circuit, and is more accurate, and too much dust enters and can lead to controlling means impaired to lead to equipment failure. The control element is easily damaged by the invasion of dust, and the equipment is forced to be stopped and maintained. The manufacturing costs of the device put into effect on the heat dissipation increase, increasing the operational risk and maintenance costs of the components. In order to solve the problem that dust invades the control element, an air filter device, such as a dust screen and filter cotton, needs to be arranged on the air inlet, but the arrangement of the air filter device inevitably generates air inlet resistance, so that the air inlet amount is reduced, and heat cannot be dissipated in time; in order to increase the heat dissipation air volume, the power of the exhaust fan must be increased, which inevitably increases the manufacturing cost of the equipment and also increases the use cost of users. Accordingly, there is a need to design a device that can prevent dust from entering the control element and can sufficiently dissipate heat of the rectifying and inverting unit in the electrical cabinet.

Chinese patent with publication number CN206402116U discloses a low-voltage variable-frequency starting cabinet, which comprises a low-voltage variable-frequency starting cabinet, wherein a main exhaust channel and a control element exhaust channel which are independent from each other are arranged in the low-voltage variable-frequency starting cabinet, the top end of the main exhaust channel is the air outlet end of the main exhaust channel, the bottom end of the main exhaust channel is the air inlet end of the main exhaust channel, the top end of the control element exhaust channel is the air outlet end of the control element exhaust channel, the bottom end of the control element exhaust channel is the air inlet end of the control element exhaust channel, a main exhaust fan is installed at the air outlet end of the main exhaust channel, the air outlet of the main exhaust fan is communicated with the outside of the low-voltage variable-frequency starting cabinet, a control loop exhaust fan is installed at the air outlet end of the control element exhaust; two mutually independent air exhaust and heat dissipation channels are arranged in the low-voltage variable-frequency starting cabinet, and a main air exhaust channel is utilized to dissipate heat of a rectification inverter unit which has larger heat productivity and is not sensitive to air pollutants such as dust; the control element exhaust channel is used for dissipating heat of the control element which has small heat productivity and high requirement on air cleanness.

Although this scheme can prevent that the dust from invading control element, also can carry out sufficient heat dissipation to the rectification contravariant unit in the electrical apparatus cabinet, its air intake and air outlet still communicate with the external world, and this kind of mode may lead to harmful gas to get into the frequency conversion and start the cabinet, will influence the normal work of frequency conversion start-up cabinet for a long time.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a frequency conversion starting cabinet can prevent to a certain extent that harmful gas from getting into the internal portion of cabinet when realizing the heat dissipation, has prolonged the life of frequency conversion starting cabinet.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a variable frequency starting cabinet, includes the cabinet body, install the cabinet door on the cabinet body, the internal electron device of installing of cabinet, be provided with the air-supply line that lets in the cabinet body on the vertical lateral wall that the cabinet body is adjacent with the cabinet door, the air-supply line intercommunication has the argon gas storage box, be provided with out the tuber pipe on the vertical lateral wall that the air-supply line was kept away from to the cabinet body, it is connected to go out the tuber pipe argon gas storage box, the air-supply line all wears out cabinet side wall setting.

Through adopting above-mentioned technical scheme, it is internal that the storage passes through the air-supply line entering cabinet at the gas in argon gas storage box, take away the internal heat of cabinet, it is intraductal that thermal gas can be discharged into the air-out, distribute the heat in one section that the play tuber pipe is located the box outside, then flow in the argon gas storage box, realize the circulation of argon gas at the internal portion of cabinet and the external portion of cabinet, because the cabinet body seals, consequently can effectively prevent that harmful gas from getting into the cabinet body when realizing the radiating, the life of frequency conversion starting cabinet has been prolonged, waterproof and the purpose of preventing the condensation has also been reached simultaneously.

Furthermore, the air inlet pipe is positioned at the lower part of the side wall of the box body, and the air outlet pipe is positioned at the top of the side wall of the box body.

Through adopting above-mentioned technical scheme, through the position setting with the air-supply line in cabinet body lower part, will go out the position setting of tuber pipe on cabinet body upper portion, use the downdraft method, can make the internal portion of cabinet fill argon gas, effectively arrange the internal air of cabinet when the first time admits air, also can effectively take away the internal heat of cabinet in the frequency conversion starts cabinet course of operation.

Further, the argon gas storage box is fixedly arranged inside the box body.

Through adopting above-mentioned technical scheme, through setting up the argon gas storage box at cabinet internal portion, effectively protected the safety of argon gas storage box, prevent irrelevant personnel operation argon gas storage box, influence the normal cycle of argon gas.

Furthermore, a vent is arranged on the argon storage box, and a vent cover is arranged on the vent.

Through adopting above-mentioned technical scheme, through setting up the blow vent to set up ventilative flap on the blow vent, the operating personnel of being convenient for lets in argon gas to the argon gas storage box in.

Further, be provided with bleed pipe I on the argon gas storage box, bleed pipe I wears out cabinet side wall and is connected to the air-supply line in one section outside the box, be provided with valve I on the air-supply line, it is provided with bleed pipe II to go out the outer one section of air pipe position in box, bleed pipe II is provided with valve II with a play tuber pipe juncture, and valve II is the three-way valve, it communicates to go out the tuber pipe bleed pipe I sets up.

Through adopting above-mentioned technical scheme, when needs examine and repair the frequency conversion start-up cabinet, close valve I and be close to one side of going out the tuber pipe, open valve I and be close to one side of bleed pipe I, close valve I and be close to one side of bleed pipe I, open valve I and be close to one side of air-supply line, the internal argon gas of cabinet is discharged away, prevents that operating personnel from directly opening the cabinet door and causing the injury to operating personnel.

Furthermore, one end of the air inlet pipe, which is located in the box body, is provided with a fan I, one side, which is far away from the box body, of the valve is provided with a fan II, and the fan II is located inside the induced draft pipe II.

Through adopting above-mentioned technical scheme, through setting up fan I and fan II for the circulation speed of argon gas, the cabinet body of being convenient for dispels the heat.

Furthermore, the air outlet pipe and the air introducing pipe I are arranged on one section of the spiral outside the box body.

Through adopting above-mentioned technical scheme, through being located one section spiral setting outside the box with air-out pipe and bleed pipe I, increased the flow distance of argon gas outside the cabinet body, strengthened the radiating effect, be favorable to the cabinet body heat dissipation.

Furthermore, an observation window is arranged on the cabinet door.

Through adopting above-mentioned technical scheme, through setting up the observation window on the cabinet door to operating personnel in time knows the condition of the internal portion of cabinet.

To sum up, the beneficial effects of the utility model are that:

(1) the circulation of argon in the interior of the cabinet body and the exterior of the cabinet body is realized by arranging the air inlet pipe, the air outlet pipe and the argon storage box, harmful gas can be effectively prevented from entering the cabinet body while heat dissipation is realized, the service life of the variable-frequency starting cabinet is prolonged, and the purposes of water prevention and condensation prevention are also achieved;

(2) through will going out a tuber pipe and being located one section spiral setting outside the box, increased the flow distance of argon gas outside the cabinet body, strengthened the radiating effect, be favorable to the cabinet body heat dissipation.

Drawings

Fig. 1 is a schematic view of the internal structure of the variable frequency starting cabinet of the present invention;

fig. 2 is a schematic structural diagram of the variable frequency starting cabinet of the present invention;

fig. 3 is a schematic sectional view in the direction of a-a in fig. 1.

Reference numerals: 1. a cabinet body; 2. a cabinet door; 3. an electronic device; 4. an air inlet pipe; 5. an argon storage tank; 6. an air outlet pipe; 7. a vent; 8. a vent cover; 9. a gas-guiding pipe I; 10. a valve I; 11. a gas guide pipe II; 12. a valve II; 13. a fan I; 14. a fan II; 15. and (4) an observation window.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a frequency conversion starting cabinet, including the cabinet body 1, install cabinet door 2 on the cabinet body 1, be provided with the handle on the cabinet door 2, install electron device 3 in the cabinet body 1.

Referring to fig. 1, in order to achieve the purpose of effectively preventing harmful gas from entering into the cabinet body 1 while dissipating heat, an air inlet pipe 4 which is led into the cabinet body 1 is arranged on the vertical side wall of the cabinet body 1 adjacent to the cabinet door 2, the air inlet pipe 4 is positioned at the lower part of the side wall of the cabinet body and penetrates through the side wall of the cabinet body, a section of the air inlet pipe 4 positioned outside the cabinet body is connected with a gas-guiding pipe I9, the gas-guiding pipe I9 penetrates through the side wall of the cabinet body 1 and is communicated with an argon storage box 5, the argon storage box 5 is fixedly arranged on the inner side of the bottom wall of the cabinet body 1, in this embodiment, 5 bolted connection in argon gas storage box are on 1 diapire of the cabinet body, are provided with out tuber pipe 6 on the vertical lateral wall of keeping away from air-supply line 4 at the cabinet body 1, go out tuber pipe 6 and be located box lateral wall top and pass the box lateral wall setting, go out 6 intercommunication bleed pipes I9 and then be connected to argon gas storage box 5, set up bleed pipe II 11 on one section that play tuber pipe 6 is located the cabinet body 1 outside.

Further, referring to fig. 2 and 3, in order to facilitate heat dissipation of the cabinet 1, a fan i 13 is arranged at one end of the air inlet pipe 4 in the cabinet, a fan ii 14 is arranged at one side of the valve ii 12 away from the cabinet, and the fan ii 14 is arranged inside the air guiding pipe ii 11; and the air outlet pipe 6 and the air guide pipe I9 are arranged on a section of the spiral outside the box body.

Referring to fig. 1, in order to improve the safety of the variable frequency starting cabinet, a valve i 10 is arranged on the air inlet pipe 4, a valve ii 12 is arranged at the junction of the air guiding pipe ii 11 and the air outlet pipe 6, the valve ii 12 is a three-way valve, and an observation window 15 is arranged on the cabinet door 2.

Referring to fig. 1, in order to facilitate an operator to introduce argon gas into the argon gas storage tank 5, a vent 7 is provided on the argon gas storage tank 5, a vent cover 8 is provided on the vent 7, and in this embodiment, a handle is provided on the vent cover 7.

The specific working process is as follows: during the first time of using, fill into argon gas in to argon gas storage box 5, then open valve I10, open one side that valve II 12 is close to bleed pipe II 11, let in argon gas to air-supply line 4, with the internal gas outgoing cabinet body 1 originally of cabinet, let in a period after, close valve I10, the argon gas of storage in argon gas storage box 5 will get into in the cabinet body 1 through bleed pipe I9, close one side that valve II 12 is close to bleed pipe II 11, realize the circulation of argon gas in the cabinet body 1 and the cabinet body 1 is outer.

When needing to overhaul the frequency conversion starting cabinet, open valve I10, close valve II 12 and be close to one side of air-out pipe 6, close valve II 12 and be close to one side of bleed air pipe II 11, the argon gas in the cabinet body 1 is discharged away. After the overhaul is finished, the primary use process is repeated so as to facilitate the normal work of the frequency conversion starting cabinet.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a frequency conversion starts cabinet, includes the cabinet body (1), install cabinet door (2) on the cabinet body (1), install electron device (3), its characterized in that in the cabinet body (1): be provided with air-supply line (4) that let in the cabinet body (1) on the adjacent vertical lateral wall of the cabinet door (2) of the cabinet body (1), air-supply line (4) intercommunication has argon gas storage box (5), be provided with out tuber pipe (6) on the vertical lateral wall that air-supply line (4) was kept away from in the cabinet body (1), it is connected to go out tuber pipe (6) argon gas storage box (5), the setting of the cabinet body (1) lateral wall is all worn out with out tuber pipe (6) in air-supply line (4).

2. The variable frequency starting cabinet according to claim 1, wherein: the air inlet pipe (4) is positioned at the bottom of the side wall of the box body, and the air outlet pipe (6) is positioned at the top of the side wall of the box body.

3. The variable frequency starting cabinet according to claim 1, wherein: the argon storage box (5) is fixedly arranged inside the box body.

4. The variable frequency starting cabinet according to claim 1, wherein: and a vent hole (7) is formed in the argon storage box (5), and a vent cover (8) is arranged on the vent hole (7).

5. The variable frequency starting cabinet according to claim 1, wherein: be provided with bleed pipe I (9) on argon gas storage box (5), bleed pipe I (9) are worn out the cabinet body (1) lateral wall and are connected to air-supply line (4) in one section outside the box, be provided with valve I (10) on air-supply line (4), it is provided with bleed pipe II (11) to go out on one section that air-out pipe (6) are located the box body, bleed pipe II (11) are provided with valve II (12) with air-out pipe (6) juncture, and valve II (12) are the three-way valve, it communicates to go out air pipe (6) bleed pipe I (9) set up.

6. The variable frequency starting cabinet according to claim 5, wherein: one end of the air inlet pipe (4) in the box body is provided with a fan I (13), one side, away from the box body, of the valve II (12) is provided with a fan II (14), and the fan II (14) is located inside the air entraining pipe II (11).

7. The variable frequency starting cabinet according to claim 3, wherein: the air outlet pipe (6) and the air guide pipe I (9) are arranged on one section of the spiral outside the box body.

8. The variable frequency starting cabinet according to claim 4, wherein: an observation window (15) is arranged on the cabinet door (2).