CN210461023U - Control circuit of air compressor electric cabinet - Google Patents
Control circuit of air compressor electric cabinet Download PDFInfo
- Publication number
- CN210461023U CN210461023U CN201921314569.XU CN201921314569U CN210461023U CN 210461023 U CN210461023 U CN 210461023U CN 201921314569 U CN201921314569 U CN 201921314569U CN 210461023 U CN210461023 U CN 210461023U
- Authority
- CN
- China
- Prior art keywords
- circuit
- compressor
- air
- relay
- transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a control circuit of an air compressor electric cabinet, wherein a power supply inlet end is connected with an air circuit breaker QF, and the air circuit breaker QF is connected with a first branch air circuit breaker QF1 and a second branch air circuit breaker QF 2; the first branch air breaker QF1 and the second branch air breaker QF2 are connected in parallel; the first branch air circuit breaker QF1 is sequentially connected with a first contactor KM1, a first thermal relay FR1 and the starting end of a first air compressor; the second branch air circuit breaker QF2 is sequentially connected with a second contactor KM2, a second thermal relay FR2 and the starting end of a second air compressor; the primary side of the transformer TC is connected with a power supply inlet wire end, and 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 indication circuit and a second overload indication circuit. The utility model discloses an electric cabinet control two compressors.
Description
Technical Field
The utility model relates to a compressor technical field, concretely relates to control circuit of air compressor electric cabinet.
Background
An air compressor is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are reciprocating piston type, rotating vane or rotating screw.
The existing air compressors are all controlled by an electric cabinet.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a control circuit of air compressor electric cabinet, two compressors of an electric cabinet control.
In order to solve the technical problem, the utility model discloses take following technical scheme: a power supply inlet end of a control circuit of an electric cabinet of an air compressor 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.
Furthermore, the first indicator light is a neon bulb indicator light.
The first compressor operation circuit and the second compressor operation circuit have the same structure and comprise a three-position switch, a pressure switch, an indicator light, a contactor and a timer; one end of the indicator light, the contactor and the timer is connected with the secondary side of the transformer TC through the fuse four FU4, and the other end of the indicator light, the contactor and the timer is connected with the three-position switch and the pressure switch; the other end of the three-position switch is connected with the secondary side of the transformer TC through a thermal relay.
The first compressor blowdown circuit and the second compressor blowdown circuit have the same structure and comprise a first time relay, a second time relay, a blowdown selection switch, a normally open electromagnetic valve, a first time adjusting switch and a second time adjusting switch; one ends of the first time relay and the second time relay 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 is connected with the normally open electromagnetic valve and the time adjusting switch II; the other end of the second time relay is connected with one end of a blowdown selection switch, and the other end of the blowdown selection switch is connected with the first time adjusting switch; the time regulating switch I, the time regulating switch II and the normally open solenoid valve are connected with the secondary side of the transformer TC through the fuse four FU 4.
The first overload indicating circuit and the second overload indicating circuit have the same structure and comprise an intermediate relay and an overload indicating lamp; one end of the intermediate relay and one end of the overload indicator lamp are connected with the secondary side of the transformer TC through the thermal relay, and the other end of the intermediate relay and the overload indicator lamp are connected with the secondary side of the transformer TC.
The utility model has the advantages that: the control circuit of the utility model controls two compressors through an electric cabinet, one compressor is provided with one compressor, and the compressor has the overload protection function through the overload protection circuit; the electric cabinet control circuit of the utility model enables the compressor to have the function of running timing; the electric cabinet control circuit of the utility model also 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 control circuit diagram 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, for the control circuit of the electric cabinet of the air compressor of the present invention, the power inlet end is connected to one end of the air circuit breaker QF, and the other end of the air circuit breaker is connected to one ends of the first branch air circuit breaker QF1 and the 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 first compressor operation circuit of the utility model comprises a three-position switch SA1, a pressure switch PS1, an operation indicator lamp HL2, a contactor KM3 and a timer I; one end of the operation indicator lamp I HL2, the contactor I KM3 and the timer I is connected with the secondary side of the transformer TC through the fuse four FU4, and the other end of the operation indicator lamp I is connected with the three-position switch I SA1 and the pressure switch I PS 1; the other end of the three-position switch SA1 is connected with the secondary side of the transformer TC through a thermal relay three FR 3.
The second compressor operation circuit of the utility model comprises a three-position switch II SA2, a pressure switch II PS2, an operation indicator lamp II HL3, a contactor II KM4 and a timer II; one ends of a second operation indicator lamp HL3, a second contactor KM4 and a second timer are connected with the secondary side of the transformer TC through a fourth fuse FU4, and the other ends of the second operation indicator lamp HL3, the second contactor KM4 and the second timer are connected with a second three-position switch SA2 and a second pressure switch PS 2; the other end of the three-position switch two SA2 is connected with the secondary side of the transformer TC through a thermal relay four FR 4.
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 first overload indicating circuit of the utility model comprises a first intermediate relay KA1 and a first overload indicating lamp HL 4; one ends of the intermediate relay A KA1 and the overload indicator lamp HL4 are connected with the secondary side of the transformer TC through the thermal relay five FR5 and the fuse three FU3, and the other ends of the intermediate relay A KA1 and the overload indicator lamp HL4 are connected with the secondary side of the transformer TC through the fuse four FU 4.
The second overload indicating circuit comprises a second intermediate relay KA2 and a second overload indicating lamp HL 5; one ends of the intermediate relay II KA2 and the overload indicator lamp II HL5 are connected with the secondary side of the transformer TC through the thermal relay six FR6 and the fuse three FU3, and the other ends of the intermediate relay II KA2 and the overload indicator lamp II HL5 are connected with the secondary side of the transformer TC through the fuse four FU 4.
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 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 (5)
1. The utility model provides a control circuit of air compressor electric cabinet which characterized in that: 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.
2. The control circuit of the electric cabinet of the air compressor according to claim 1, wherein: the first indicator light is a neon bulb indicator light.
3. The control circuit of the electric cabinet of the air compressor according to claim 1, wherein: the first compressor operation circuit and the second compressor operation circuit have the same structure and comprise a three-position switch, a pressure switch, an indicator light, a contactor and a timer; one end of the indicator light, the contactor and the timer is connected with the secondary side of the transformer TC through the fuse four FU4, and the other end of the indicator light, the contactor and the timer is connected with the three-position switch and the pressure switch; the other end of the three-position switch is connected with the secondary side of the transformer TC through a thermal relay.
4. The control circuit of the electric cabinet of the air compressor according to claim 1, wherein: the first compressor blowdown circuit and the second compressor blowdown circuit have the same structure and comprise a first time relay, a second time relay, a blowdown selection switch, a normally open electromagnetic valve, a first time regulating switch and a second time regulating switch; one ends of the first time relay and the second time relay 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 is connected with the normally open electromagnetic valve and the time adjusting switch II; the other end of the second time relay is connected with one end of a blowdown selection switch, and the other end of the blowdown selection switch is connected with the first time adjusting switch; the time regulating switch I, the time regulating switch II and the normally open solenoid valve are connected with the secondary side of the transformer TC through the fuse four FU 4.
5. The control circuit of the electric cabinet of the air compressor according to claim 1, wherein: the first overload indicating circuit and the second overload indicating circuit have the same structure and comprise an intermediate relay and an overload indicating lamp; one end of the intermediate relay and one end of the overload indicator lamp are connected with the secondary side of the transformer TC through the thermal relay, and the other end of the intermediate relay and the overload indicator lamp are connected with the secondary side of the transformer TC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921314569.XU CN210461023U (en) | 2019-08-14 | 2019-08-14 | Control circuit of air compressor electric cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921314569.XU CN210461023U (en) | 2019-08-14 | 2019-08-14 | Control circuit of air compressor electric cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461023U true CN210461023U (en) | 2020-05-05 |
Family
ID=70451318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921314569.XU Active CN210461023U (en) | 2019-08-14 | 2019-08-14 | Control circuit of air compressor electric cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210461023U (en) |
-
2019
- 2019-08-14 CN CN201921314569.XU patent/CN210461023U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202334398U (en) | Special frequency converter for ball mill | |
| CN210461023U (en) | Control circuit of air compressor electric cabinet | |
| CN201248188Y (en) | Intelligent illumination regulation and control device | |
| CN201369697Y (en) | Device adopting capacitor to start large asynchronous motor | |
| CN201656908U (en) | Frequency-changing and energy-saving control cabinet for oil pumping unit | |
| CN101847831B (en) | Power distribution cabinet | |
| CN211144763U (en) | Electric cabinet of air compressor | |
| CN204145354U (en) | Oil pumper triangle starts star energy saving in running control cubicle | |
| CN204326159U (en) | A kind of for providing the energy-saving water supply system of stationary flow and pressure | |
| CN201789203U (en) | Power distribution cabinet | |
| CN201919227U (en) | Timing adjustable-power sodium lamp | |
| CN2917170Y (en) | Intelligent road lighting power-saving device | |
| CN204068278U (en) | A kind of timing reactive power compensator for low-voltage circuit | |
| CN2884786Y (en) | Street lamp electrical saver | |
| CN201839246U (en) | System with simultaneous control on frequency conversion and power frequency of fan of kiln | |
| CN201718108U (en) | Intelligent voltage-stabilization electricity-saving device of metal halide | |
| CN2785229Y (en) | Terminal energy-saving controller | |
| CN205421422U (en) | Frequency conversion constant voltage energy -saving water supply system that presses is folded to hush air wisdom | |
| CN203323395U (en) | Dual-operation system for control cabinet of boiler | |
| CN203423840U (en) | Dual-control based light-modulation electronic ballast for electrodeless lamp | |
| CN104320040A (en) | Triangular starting and star-shaped operation energy-saving control cabinet for pumping unit and control method thereof | |
| CN220874768U (en) | Intelligent lighting power distribution system device | |
| CN2282301Y (en) | Autotransformer voltage reducing starting multifunctional control cabinet | |
| CN217445554U (en) | Street lamp centralized controller of segmentation control | |
| CN216252564U (en) | Energy-saving starting control circuit for oil pumping motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |