CN211144763U - Electric cabinet of air compressor - Google Patents
Electric cabinet of air compressor Download PDFInfo
- Publication number
- CN211144763U CN211144763U CN201921314568.5U CN201921314568U CN211144763U CN 211144763 U CN211144763 U CN 211144763U CN 201921314568 U CN201921314568 U CN 201921314568U CN 211144763 U CN211144763 U CN 211144763U
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- compressor
- electric cabinet
- box
- shell
- air compressor
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Abstract
The utility model discloses an electric cabinet of an air compressor, which comprises a shell; a fixed plate is welded in the shell; the fixed plate is provided with four chambers from top to bottom; a first compressor working circuit assembling box, a first starting sequence conversion box, a second compressor working circuit assembling box and a second starting sequence conversion box are respectively arranged in the four cavities; the first compressor working circuit assembling box is electrically connected with the first starting sequence conversion box; the second compressor working circuit assembling box is electrically connected with the second starting sequence conversion box. The utility model discloses an electric cabinet colleague control two compressors, improve the explosion-proof grade of compressor.
Description
Technical Field
The utility model relates to a compressor technical field, concretely relates to air compressor electric cabinet.
Background
The electric cabinet contains one or more low-voltage switchgear devices and the control, measurement, signalling, protection, regulation, etc. devices associated with them and is responsible for being assembled together completely with the structural components by the manufacturer. An existing air compressor is equipped with an electric cabinet.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an air compressor electric cabinet improves air compressor's explosion-proof level.
In order to solve the technical problem, the utility model discloses take following technical scheme: an electric cabinet of an air compressor comprises a shell; a fixed plate is welded in the shell; the fixed plate is provided with four chambers from top to bottom; a first compressor working circuit assembling box, a first starting sequence conversion box, a second compressor working circuit assembling box and a second starting sequence conversion box are respectively arranged in the four cavities;
The first compressor working circuit assembling box is electrically connected with the first starting sequence conversion box; the second compressor working circuit assembling box is electrically connected with the second starting sequence conversion box.
Further, the bottom of the shell is provided with a grounding bolt.
Furthermore, a lifting lug is arranged at the top of the shell; the lifting lug is provided with a mounting hole.
Furthermore, a power indicator lamp, a first motor running indicator lamp, a first motor overload indicator lamp, a second motor running indicator lamp and a second motor overload indicator lamp are arranged outside the shell.
Further, a first drain valve and a second drain valve are arranged outside the shell.
Further, a first compressor stop switch and a second compressor stop switch are arranged outside the shell.
The utility model has the advantages that:
The electric cabinet of the utility model has simple structure, one electric cabinet controls two compressors simultaneously, and the explosion-proof grade of the compressors is improved;
The utility model discloses an electric cabinet has overload protection function
The electric cabinet of the utility model has the manual-automatic sewage discharge function.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely through the following detailed description.
As shown in fig. 1-2, an electric cabinet for an air compressor of the present invention comprises an electric cabinet for an air compressor, which comprises a housing 1; a fixed plate 2 is welded in the shell 1; the fixed plate 2 is provided with four chambers from top to bottom; a first compressor working circuit assembling box 3, a first starting sequence conversion box 4, a second compressor working circuit assembling box 5 and a second starting sequence conversion box 6 are respectively arranged in the four cavities;
The first compressor working circuit assembling box 3 is electrically connected with the first starting sequence conversion box 4; the second compressor operation circuit assembly box 5 is electrically connected to the second start-up sequence conversion box 6.
The bottom of the housing 1 of the utility model is provided with a grounding bolt 7.
The top of the shell 1 of the utility model is provided with a lifting lug 8; the lifting lug 8 is provided with a mounting hole.
The utility model discloses an outside of shell 1 is provided with power indicator 9, a motor operation pilot lamp 10, a motor overload pilot lamp 11, two operation pilot lamps 12 of motor, two overload pilot lamps 13 of motor.
And a first blowdown valve 17 and a second blowdown valve 14 are arranged outside the shell 1.
The first compressor stop switch 15 and the second compressor stop switch 16 are arranged outside the shell 1.
The utility model discloses a control circuit of air compressor electric cabinet as follows: the power supply inlet end is connected with one end of an air circuit breaker QF, and the other end of the air circuit breaker is connected with one ends of a first branch air circuit breaker QF1 and a second branch air circuit breaker QF 2; the first branch air breaker QF1 is connected with the second branch air breaker QF2 in parallel; the other end of the first branch air circuit breaker QF1 is connected with a first contactor KM 1; the first contactor KM1 is connected with a first thermal relay FR 1; the first thermal relay FR1 is connected to the starting end of the first air compressor; the other end of the second branch air circuit breaker QF2 is connected with a second contactor KM 2; the second contactor KM2 is connected with a second thermal relay FR 2; the second thermal relay FR2 is connected to the starting end of the second air compressor;
Two ends of the primary side of the transformer TC are connected with a power supply incoming line end through a fuse first FU1 and a fuse second FU 2;
The secondary side of the transformer TC is connected with an indicator light, a first compressor operation circuit, a second compressor operation circuit, a first compressor pollution discharge circuit, a second compressor pollution discharge circuit, a first overload indicator circuit and a second overload indicator circuit; the first indicator lamp, the first compressor operation circuit, the second compressor operation circuit, the first compressor pollution discharge circuit, the second compressor pollution discharge circuit, the first overload indicator circuit and the second overload indicator circuit are connected in parallel.
the utility model discloses a first compressor operation circuit includes that three-position switch SA1, pressure switch PS1, operation pilot lamp H L2, contactor KM3 and time-recorder one, the one end of operation pilot lamp H L2, contactor KM3 and time-recorder one is passed through fuse four FU4 and is connected with transformer TC's secondary side, the other end is connected with three-position switch SA1 and pressure switch PS1, three-position switch SA 1's the other end is connected with transformer TC's secondary side through three FR3 of thermal relay.
the utility model discloses a second compressor operation circuit includes two SA2 of tribit switch, two PS2 of pressure switch, two H L3 of operation pilot lamp, two KM4 of contactor and second time-recorder, the one end of two H L3 of operation pilot lamp, two KM4 of contactor and second time-recorder is passed through four FU4 of fuse and is connected with transformer TC's secondary side, the other end is connected with two SA2 of tribit switch and two PS2 of pressure switch, the other end of two SA2 of tribit switch is connected with transformer TC's secondary side through four FR4 of thermal relay.
The utility model discloses a first compressor blowdown circuit includes first time relay KT1, second time relay KT2, blowdown selector switch SB1, normally open solenoid valve YV1, first time regulating switch KTa and first time regulating switch II KTb; one ends of the first time relay KT1 and the second time relay KT2 are connected with the secondary side of the transformer TC through a contactor and a fuse three FU 3; the other end of the first time relay KT1 is connected with a first normally open solenoid valve YV1 and a second time adjusting switch KTb; the other end of the second time relay KT2 is connected with one end of a first blowdown selection switch SB1, and the other end of the first blowdown selection switch SB1 is connected with a first time adjusting switch KTa; the first time adjusting switch I KTa, the first time adjusting switch II KTb and the normally open solenoid valve I YV1 are connected with the secondary side of the transformer TC through a fuse four FU 4.
The second compressor pollution discharge circuit of the utility model comprises a first time relay two KT3, a second time relay two KT4, a pollution discharge selection switch two SB2, a normally open solenoid valve two YV2, a second time adjusting switch one KTc and a second time adjusting switch two KTd; one end of the first time relay two KT3 and one end of the second time relay two KT4 are connected with the secondary side of the transformer TC through a contactor and a fuse three FU 3; the other end of the first time relay II KT3 is connected with a normally open solenoid valve II YV2 and a second time adjusting switch II KTd; the other end of the second time relay II KT4 is connected with one end of a second blowdown selection switch SB2, and the other end of the second blowdown selection switch SB2 is connected with a second time adjusting switch I KTc; the second time adjusting switch I KTc, the second time adjusting switch II KTd and the normally open solenoid valve II YV2 are connected with the secondary side of the transformer TC through the fuse four FU 4.
the utility model discloses a first overload indicating circuit includes intermediate relay KA1 and overload indicator H L4, intermediate relay KA1 and overload indicator H L4's one end is passed through five FR5 of electrothermal relay and three FU3 of fuse and is connected with transformer TC's secondary side, and the other end passes through four FU4 of fuse and is connected with transformer TC's secondary side.
the utility model discloses a second overload indicating circuit, including intermediate relay two KA2 and overload indicator two H L5, intermediate relay two KA2 and overload indicator two H L5's one end is connected with transformer TC's secondary side through six FR6 of thermal relay and three FU3 of fuse, and the other end passes through four FU4 of fuse and is connected with transformer TC's secondary side.
The utility model discloses an electric cabinet is disposed to two compressors, and explosion-proof level reaches dii BT 4.
A circuit breaker QF is arranged at the main line for reset after a fault.
The two compressors are started one by one, and the automatic starting and stopping functions of the compressors are controlled by pressure switches PS1 and PS 2.
The utility model discloses a control circuit control compressor blowdown, two blowdown selector switches of SB1 and SB2 bit, manual and automatic blowdown, time relay set up the blowdown time.
The utility model discloses when the compressor transships, compressor automatic shutdown.
The utility model discloses a first compressor operation circuit and second compressor operation circuit set up respectively in first start order conversion box 4 and second start order conversion box 6, and all the other circuits set up in first compressor operating circuit assembly box 3 and second compressor operating circuit assembly box 5.
The above-mentioned embodiments are only described as the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the technical content of the present invention, which is claimed by the present invention, is fully recorded in the technical claims.
Claims (6)
1. An air compressor electric cabinet which characterized in that: comprising a housing (1); a fixed plate (2) is welded in the shell (1); the fixed plate (2) is provided with four chambers from top to bottom; a first compressor working circuit assembling box (3), a first starting sequence conversion box (4), a second compressor working circuit assembling box (5) and a second starting sequence conversion box (6) are respectively arranged in the four cavities;
The first compressor working circuit assembling box (3) is electrically connected with the first starting sequence conversion box (4); the second compressor working circuit assembling box (5) is electrically connected with the second starting sequence conversion box (6).
2. The electric cabinet of the air compressor as claimed in claim 1, wherein: and a grounding bolt (7) is arranged at the bottom of the shell (1).
3. The electric cabinet of the air compressor as claimed in claim 1, wherein: a lifting lug (8) is arranged at the top of the shell (1); the lifting lug (8) is provided with a mounting hole.
4. The electric cabinet of the air compressor as claimed in claim 1, wherein: the power supply indicating lamp (9), the first motor running indicating lamp (10), the first motor overload indicating lamp (11), the second motor running indicating lamp (12) and the second motor overload indicating lamp (13) are arranged outside the shell (1).
5. The electric cabinet of the air compressor as claimed in claim 1, wherein: and a first blowdown valve (17) and a second blowdown valve (14) are arranged outside the shell (1).
6. The electric cabinet of the air compressor as claimed in claim 1, wherein: and a first compressor stop switch (15) and a second compressor stop switch (16) are arranged outside the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921314568.5U CN211144763U (en) | 2019-08-14 | 2019-08-14 | Electric cabinet of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921314568.5U CN211144763U (en) | 2019-08-14 | 2019-08-14 | Electric cabinet of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144763U true CN211144763U (en) | 2020-07-31 |
Family
ID=71757799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921314568.5U Active CN211144763U (en) | 2019-08-14 | 2019-08-14 | Electric cabinet of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211144763U (en) |
-
2019
- 2019-08-14 CN CN201921314568.5U patent/CN211144763U/en active Active
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