CN210892622U - Vacuum pump drying platform distribution control cabinet - Google Patents
Vacuum pump drying platform distribution control cabinet Download PDFInfo
- Publication number
- CN210892622U CN210892622U CN201921963180.8U CN201921963180U CN210892622U CN 210892622 U CN210892622 U CN 210892622U CN 201921963180 U CN201921963180 U CN 201921963180U CN 210892622 U CN210892622 U CN 210892622U
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- power distribution
- vacuum pump
- loop
- control
- vacuum
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Abstract
The utility model discloses a vacuum pump drying platform power distribution control cabinet, which comprises a vacuum pump heating power distribution loop, a vacuum pump running power distribution loop, a circulating water pump power distribution loop, a control power distribution loop, a cabinet air conditioner power distribution loop and a standby power distribution loop, wherein a circuit breaker is arranged in each power distribution loop, and a panel of the power distribution cabinet is provided with a change-over switch, a vacuum pump starting and stopping control point, a control contactor, a vacuum motor fault indicator lamp, a vacuum motor running indicator lamp and a vacuum pump heating indicator lamp; the vacuum pump heating power distribution loop is provided with three groups of two-way current circuits, and each group of circuits comprises a bidirectional thyristor, a fuse and a current transformer; the vacuum pump operation power distribution loop comprises a manual control loop and an automatic control loop of the vacuum motor, the mode of the control loop is selected through the change-over switch, the automatic control loop is controlled by a PLC, and the on-off of the power distribution loop of the vacuum motor is controlled by the control contactor.
Description
Technical Field
The utility model relates to an electrical installation technical field, concretely relates to vacuum pump drying platform distribution control cabinet.
Background
The vacuum pump drying table is a device for heating a vacuum motor, the conventional power distribution control cabinet of the vacuum pump drying table adopts direct resistance heating, and the heating temperature cannot be automatically adjusted. The power distribution loop of the drying table corollary equipment is dispersed, and the automatic control of the whole system cannot be realized.
SUMMERY OF THE UTILITY MODEL
Problem to in the above-mentioned technical background, the utility model aims at providing a vacuum pump drying platform distribution control cabinet.
In order to realize the above purpose, the utility model discloses a technical scheme be:
a power distribution control cabinet for a vacuum pump drying platform comprises a vacuum pump heating power distribution loop, a vacuum pump operation power distribution loop, a circulating water pump power distribution loop, a control power distribution loop, a cabinet air conditioner power distribution loop and a standby power distribution loop, wherein a circuit breaker is arranged in each power distribution loop, and a panel of the power distribution cabinet is provided with a change-over switch, a vacuum pump starting and stopping control point, a control contactor, a vacuum motor fault indicator lamp, a vacuum motor operation indicator lamp and a vacuum pump heating indicator lamp; the vacuum pump heating power distribution loop is provided with three groups of two-way current circuits, each group of circuits comprises a bidirectional thyristor, a fuse and a current transformer, and the current transformers are used for converting large current signals into 4-20 mA signals, so that the control cabinet can conveniently collect the large current signals; the vacuum pump operation power distribution loop comprises a manual control loop and an automatic control loop of the vacuum motor, the mode of the control loop is selected through the change-over switch, the automatic control loop is controlled by the PLC, and the on-off of the power distribution loop of the vacuum motor is controlled through the control contactor.
Further, a vacuum pump heating operation signal in the vacuum pump heating power distribution circuit is connected to the output terminal through a normally open point of the contactor KM1, and a vacuum pump heating three-phase power failure is connected to the output terminal through a normally closed point of the optical fiber sensor.
Furthermore, fault normally-closed points are connected in the vacuum pump operation power distribution loop in series, the vacuum motor can be stopped in time when a fault occurs, and a vacuum motor operation relay is incorporated into the power distribution loop and is provided with a vacuum motor fault indicator lamp and an operation indicator lamp.
Further, the circulating water pump power distribution circuit comprises a manual control circuit and an automatic control circuit.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses collect heating, operation, circulating water pump's of vacuum motor distribution control in an organic whole, conveniently realize automatic control, raise the efficiency.
2. The heating of the vacuum motor is controlled by adopting the bidirectional triode thyristor, the heating current can be automatically adjusted, and the safety and the stability of the drying of the motor are ensured.
Drawings
Fig. 1 is a power distribution circuit diagram of the power distribution control cabinet of the vacuum pump drying table of the present invention;
FIG. 2 is a schematic diagram of a vacuum pump of the power distribution control cabinet of the vacuum pump drying platform of the present invention;
FIG. 3 is a schematic diagram of a vacuum motor of the power distribution control cabinet of the vacuum pump drying platform of the present invention;
FIG. 4 is a schematic diagram of a circulating water pump of the power distribution control cabinet of the vacuum pump drying platform of the present invention;
fig. 5 is the utility model discloses vacuum pump drying platform distribution control cabinet's installation overall arrangement.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1-5, a power distribution control cabinet for a vacuum pump drying platform comprises a vacuum pump heating power distribution loop, a vacuum pump operation power distribution loop, a circulating water pump power distribution loop, a control power distribution loop, a cabinet air conditioner power distribution loop and a standby power distribution loop, wherein a circuit breaker is arranged in each power distribution loop, and a panel of the power distribution control cabinet is provided with a change-over switch SA1, a vacuum pump start-stop control point KQ04, a control contactor KM1, a vacuum motor fault indicator lamp HG1, a vacuum motor operation indicator lamp HG2 and a vacuum pump heating indicator lamp HY 1; the vacuum pump heating power distribution loop is provided with three groups of two-way current circuits, each group of circuits comprises a bidirectional thyristor, a fuse and a current transformer, and the current transformers are used for converting large current signals into 4-20 mA signals, so that the control cabinet can conveniently collect the large current signals; the vacuum pump operation power distribution loop comprises a manual control loop and an automatic control loop of a vacuum motor, a control loop mode is selected through the change-over switch SA1, the automatic control loop is controlled by a PLC, and the on-off of the vacuum motor power distribution loop is controlled by the control contactor KM 1.
Further, a vacuum pump heating operation signal in the vacuum pump heating power distribution circuit is connected to the output terminal through a normally open point of the contactor KM1, and a vacuum pump heating three-phase power supply U, V, W fault is connected to the output terminal through normally closed points of the optical fiber sensors (FU11, FU12 and FU 13).
Furthermore, a fault normally closed point K102 is connected in series in a power distribution circuit for operating the vacuum pump, the vacuum motor can be stopped in time when a fault occurs, and a vacuum motor operation relay K101 is incorporated in the power distribution circuit and is provided with a vacuum motor fault indicator lamp HG1 and an operation indicator lamp HG 2.
The utility model discloses well vacuum motor's remote control signal connects output terminal through relay K101's normally open point, and fault signal connects output terminal through relay K102's normally open point, and operating signal connects output terminal through contactor KM 4's normally open point. The principle of the circulating water pump is the same as that of a vacuum motor.
Further, the circulating water pump power distribution circuit comprises a manual control circuit and an automatic control circuit.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a vacuum pump drying cabinet distribution control cabinet, includes vacuum pump heating distribution circuit, vacuum pump operation distribution circuit, circulating water pump distribution circuit, control distribution circuit, rack air conditioner distribution circuit, reserve distribution circuit, its characterized in that: each power distribution loop is provided with a circuit breaker, and a panel of the power distribution control cabinet is provided with a change-over switch, a vacuum pump start-stop control point, a control contactor, a vacuum motor fault indicator lamp HG1, a vacuum motor operation indicator lamp and a vacuum pump heating indicator lamp; the vacuum pump heating power distribution loop is provided with three groups of two-way current circuits, each group of circuits comprises a bidirectional thyristor, a fuse and a current transformer, and the current transformers are used for converting large current signals into 4-20 mA signals, so that the control cabinet can conveniently collect the large current signals; the vacuum pump operation power distribution loop comprises a manual control loop and an automatic control loop of the vacuum motor, the mode of the control loop is selected through the change-over switch, the automatic control loop is controlled by the PLC, and the on-off of the power distribution loop of the vacuum motor is controlled through the control contactor.
2. A vacuum pump drying desk power distribution control cabinet according to claim 1, wherein the vacuum pump heating operation signal in the vacuum pump heating power distribution loop is connected to the output terminal through a normally open point of a contactor, and the vacuum pump heating three-phase power failure is connected to the output terminal through a normally closed point of an optical fiber sensor respectively.
3. The vacuum pump drying desk power distribution control cabinet of claim 1, wherein a fault normally-closed point is connected in series in the vacuum pump operation power distribution loop, the vacuum motor can be stopped in time when a fault occurs, and a vacuum motor operation relay is incorporated in the power distribution loop and is provided with a vacuum motor fault indicator lamp and an operation indicator lamp.
4. The vacuum pump drying rack power distribution control cabinet as claimed in claim 1, wherein the circulating water pump power distribution loop comprises a manual control loop and an automatic control loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921963180.8U CN210892622U (en) | 2019-11-13 | 2019-11-13 | Vacuum pump drying platform distribution control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921963180.8U CN210892622U (en) | 2019-11-13 | 2019-11-13 | Vacuum pump drying platform distribution control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210892622U true CN210892622U (en) | 2020-06-30 |
Family
ID=71324457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921963180.8U Active CN210892622U (en) | 2019-11-13 | 2019-11-13 | Vacuum pump drying platform distribution control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210892622U (en) |
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2019
- 2019-11-13 CN CN201921963180.8U patent/CN210892622U/en active Active
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