CN216720911U - double-PDU joint control system - Google Patents
double-PDU joint control system Download PDFInfo
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- CN216720911U CN216720911U CN202123072355.6U CN202123072355U CN216720911U CN 216720911 U CN216720911 U CN 216720911U CN 202123072355 U CN202123072355 U CN 202123072355U CN 216720911 U CN216720911 U CN 216720911U
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Abstract
The utility model provides a double-PDU joint control system which comprises a first power distribution unit, a second power distribution unit, an alternating current contactor, a power adapter, a solid-state relay and a three-phase alternating current plug. The utility model adopts double PDU to realize that single equipment has multiple power supplies to the sub-equipment independently; each power supply channel is provided with an indicator light for displaying the working state of the power supply channel; each channel is provided with an independent fuse, so that other power channels can be normally used after one channel is overloaded and powered off; setting a linkage emergency stop switch, controlling an L-pole contactor by connecting two independent PDU through respective emergency stop switches in series to achieve joint control of the switches of the two PDU's, so that after one of the two PDU's is in emergency stop, the other PDU is also in emergency stop, and the emergency stop joint control of the two PDU's is realized; a fan is arranged in the case, so that the internal temperature of the case is effectively reduced; the built-in power adapter can output low-voltage power; the fuse is arranged on the box wall, and the knob type combined fuse groove is adopted, so that the replacement is convenient.
Description
Technical Field
The utility model relates to the technical field of equipment power supply, in particular to a double-PDU joint control system.
Background
In the production operation of the modeling enterprise, large-scale electrical equipment is often used, and the equipment often needs a control system with stable voltage, safety, multiple channels and even with emergency stop joint control. The current control system cannot realize the simultaneous supply of power supplies of multiple sub-devices of a single device; in addition, the PDU is working for a long time and the temperature cannot be dissipated.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a double-PDU joint control system, which solves the problems that the existing control system cannot realize the simultaneous supply of power supplies of multiple sub-devices of a single device, and the PDU continuously generates temperature and cannot dissipate after working for a long time.
The utility model provides a double-PDU (power distribution unit) combined control system which comprises a first power distribution unit, a second power distribution unit, an alternating current contactor, a power adapter, a solid-state relay and a three-phase alternating current plug, wherein zero lines at the input ends of the first power distribution unit and the second power distribution unit and a zero line of the power adapter are connected with a zero line of the three-phase alternating current plug, ground wires at the input ends of the first power distribution unit and the second power distribution unit are grounded, a ground wire of the three-phase alternating current plug is grounded, a live wire at the input ends of the first power distribution unit and the second power distribution unit is connected with a coil binding post and a main wire inlet contact of the alternating current contactor, a main wire outlet contact of the alternating current contactor is connected with a live wire of the power adapter, and the coil binding post of the alternating current contactor is connected with the first power distribution unit, And the zero line at the input end of the second power distribution unit is connected, and the outgoing line main contact of the alternating current contactor, the power line of the power adapter and the ground wire are connected with the live wire of the three-phase alternating current plug through the solid-state relay.
And the emergency stop switch is connected between the zero lines of the input ends of the first power distribution unit and the second power distribution unit and the coil binding posts of the corresponding alternating current contactor.
The power supply system further comprises a fan, a live wire of the fan is connected with the outgoing main contact of the alternating current contactor, and a zero line of the fan is connected with zero lines of input ends of the first power distribution unit and the second power distribution unit.
The power supply system further comprises an indicator light, wherein the anode of the indicator light is connected with the solid-state relay, and the cathode of the indicator light is connected with zero lines of the input ends of the first power distribution unit and the second power distribution unit.
The fuse is connected between the zero-live wire at the input end of the first power distribution unit and the input end of the second power distribution unit and the coil binding post of the corresponding alternating current contactor, and the fuse is connected between the outgoing line main contact of the alternating current contactor and the solid state relay.
Furthermore, the fuse is arranged on the box wall and adopts a knob type combined fuse groove.
Further, the power line of the power adapter is a 12V power line.
Further, the alternating current contactor is SC-E1 in model.
Further, the model of the power adapter is DSA-12PFG-12 FCH; the solid state relay is DSD 2450.
Further, the emergency stop switch is the XB2BS 542C.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a double-PDU joint control system, which adopts double PDUs to realize that a single device has multiple power supplies to sub-devices independently, and multiple word devices are not influenced by each other; the power output of each channel comprises an independent indicator light and a fuse; each power supply channel is provided with an indicator light for displaying the working state of the power supply channel; each channel is provided with an independent fuse, so that other power channels can be normally used after one channel is overloaded and powered off; setting a linkage emergency stop switch, controlling an L-pole contactor by connecting two independent PDU through respective emergency stop switches in series to achieve joint control of the switches of the two PDU's, so that after one of the two PDU's is in emergency stop, the other PDU is also in emergency stop, and the emergency stop joint control of the two PDU's is realized; a fan is arranged in the case, so that the internal temperature of the case is effectively reduced; the built-in power adapter can output low-voltage power; the fuse is arranged on the box wall, and the knob type combined fuse groove is adopted, so that the replacement is convenient.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a circuit diagram of input terminals of a first power distribution unit and a second power distribution unit according to the present invention;
fig. 2 is a multi-channel power supply circuit diagram of the first power distribution unit and the second power distribution unit of the utility model.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
A dual-PDU joint control system is shown in FIGS. 1 and 2 and comprises a first Power Distribution Unit (upper PDU in FIG. 1), a second Power Distribution Unit (lower PDU in FIG. 1), an AC contactor SC-E1, a Power adapter DSA-12PFG-12FCH, a solid state relay DSD2450 and a three-phase AC plug. In fig. 1, the number of ac contactors is 2, each PDU corresponds to one ac contactor, the number of power adapters is 1, and each PDU corresponds to one power adapter. FIG. 2 is a multi-channel power supply side circuit diagram corresponding to one PDU, and the multi-channel power supply side circuit diagram corresponding to another PDU is the same as that of FIG. 2. In fig. 2, the number of solid-state relays is 6, each PDU corresponds to six solid-state relays, the number of three-phase ac plugs is 8, and each PDU corresponds to eight three-phase ac plugs. The zero line N of the input ends of the first power distribution unit and the second power distribution unit and the zero line N of the power adapter are connected with the zero line N of the three-phase alternating current plug; the built-in power adapter can output low-voltage power. The ground wires PE of the input ends of the first power distribution unit and the second power distribution unit are grounded, the ground wire PE of the three-phase alternating current plug is grounded, the live wires L of the input ends of the first power distribution unit and the second power distribution unit are connected with the coil terminal A1 of the alternating current contactor, the incoming wire main contacts L1, L2 and L3, and the outgoing wire main contacts T1, T2 and T3 of the alternating current contactor, the power line of the power adapter and the ground wire GND are connected with the live wire L of the three-phase alternating current plug through the solid-state relay. In this embodiment, the power cord of the power adapter is a 12V power cord. An outgoing line main contact T1 of the alternating current contactor is connected with a live wire L of the power adapter, and a coil wiring terminal A2 of the alternating current contactor is connected with zero lines N at the input ends of the first power distribution unit and the second power distribution unit. The electric arc generated in the separation and combination process of the moving contact and the static contact is eliminated through the alternating current contactor. The solid-state relay realizes the isolation of the control end and the load end, and the input end of the solid-state relay directly drives a heavy-current load by using a tiny control signal. The utility model adopts double PDU and 16 channels for power supply, realizes that multiple power supplies of a single device are independently supplied to the sub-devices, and the multiple devices are not influenced by each other.
As shown in fig. 1, the emergency stop switch XB2BS542C is further included, and the emergency stop switch is connected between the zero line at the input end of the first power distribution unit and the coil terminal a2 of the corresponding ac contactor, and between the zero line at the input end of the second power distribution unit and the coil terminal a2 of the corresponding ac contactor. And a linkage emergency stop switch is arranged, two independent PDU's are connected in series with respective emergency stop switches to control the contactors of the L pole, so that the switch of the double PDU's is controlled in a combined manner, after one of the two PDU's is pressed down in emergency stop, the other PDU's is also in emergency stop, and the emergency stop joint control of the double PDU's is realized.
As shown in fig. 1, the power distribution system further comprises a fan, wherein the live wire of the fan is connected with the outgoing main contact T1 of the ac contactor corresponding to each PDU, and the neutral wire N of the fan is connected with the neutral wires N of the input ends of the first power distribution unit and the second power distribution unit. The built-in fan makes PDU constantly produce the temperature and dispel for a long time work, effectively reduces quick-witted incasement portion temperature.
As shown in fig. 2, the power distribution device further comprises an indicator light, wherein the anode of the indicator light is connected with the solid-state relay, and the cathode of the indicator light is connected with the zero lines of the input ends of the first power distribution unit and the second power distribution unit. Each power supply channel is provided with an indicator light for displaying the working state of the power supply channel.
As shown in fig. 1 and 2, the solid-state relay further includes a fuse HTB321, the fuse is connected between the zero live line at the input end of the first power distribution unit and the second power distribution unit and the coil terminal a1 of the corresponding ac contactor, and the fuse is connected between the outlet main contacts T1, T2 and T3 of the ac contactor and the solid-state relay. Each channel is provided with an independent fuse, so that other power channels can be normally used after one channel is overloaded and powered off. Preferably, the fuse is arranged on the box wall, and a knob type combined fuse groove is adopted, so that the replacement is convenient.
The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; one of ordinary skill in the art can readily practice the present invention as illustrated and described herein with reference to the accompanying drawings; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. A double PDU joint control system is characterized in that: the power distribution device comprises a first power distribution unit, a second power distribution unit, an alternating current contactor, a power adapter, a solid-state relay and a three-phase alternating current plug, wherein the zero line of the input end of the first power distribution unit and the zero line of the input end of the second power distribution unit are connected with the zero line of the three-phase alternating current plug, the ground wire of the input end of the first power distribution unit and the ground wire of the input end of the second power distribution unit are grounded, the ground wire of the three-phase alternating current plug is grounded, the live wire of the input end of the first power distribution unit and the second power distribution unit is connected with the coil wiring terminal and the wire inlet main contact of the alternating current contactor, the wire outlet main contact of the alternating current contactor is connected with the live wire of the power adapter, the coil wiring terminal of the alternating current contactor is connected with the zero line of the input end of the first power distribution unit and the second power distribution unit, and an outlet main contact of the alternating current contactor, a power line of the power adapter and a grounding wire are connected with a live wire of the three-phase alternating current plug through the solid-state relay.
2. The dual PDU joint control system of claim 1, wherein: the emergency stop switch is connected between the zero lines at the input ends of the first power distribution unit and the second power distribution unit and the coil binding posts of the corresponding alternating current contactors.
3. The dual PDU joint control system of claim 1, wherein: the power supply system is characterized by further comprising a fan, wherein a live wire of the fan is connected with an outgoing line main contact of the alternating current contactor, and a zero line of the fan is connected with zero lines of input ends of the first power distribution unit and the second power distribution unit.
4. The dual PDU joint control system of claim 1, wherein: the power supply system further comprises an indicator light, the anode of the indicator light is connected with the solid-state relay, and the cathode of the indicator light is connected with zero lines of the input ends of the first power distribution unit and the second power distribution unit.
5. The dual PDU joint control system of claim 1, wherein: the fuse is connected between the zero-live wire at the input ends of the first power distribution unit and the second power distribution unit and the coil wiring terminal of the corresponding alternating current contactor, and the fuse is connected between the outgoing line main contact of the alternating current contactor and the solid state relay.
6. The dual PDU joint control system of claim 5, wherein: the fuse is arranged on the box wall and adopts a knob type combined fuse groove.
7. The dual PDU joint control system as claimed in claim 1, wherein: the power line of the power adapter is a 12V power line.
8. The dual PDU joint control system of claim 1, wherein: the model of the alternating current contactor is SC-E1.
9. The dual PDU joint control system of claim 1, wherein: the model of the power adapter is DSA-12PFG-12 FCH; the solid state relay is DSD 2450.
10. The dual PDU joint control system of claim 2, wherein: the emergency stop switch is XB2BS 542C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072355.6U CN216720911U (en) | 2021-12-08 | 2021-12-08 | double-PDU joint control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072355.6U CN216720911U (en) | 2021-12-08 | 2021-12-08 | double-PDU joint control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216720911U true CN216720911U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123072355.6U Active CN216720911U (en) | 2021-12-08 | 2021-12-08 | double-PDU joint control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216720911U (en) |
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2021
- 2021-12-08 CN CN202123072355.6U patent/CN216720911U/en active Active
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