CN218335333U - Power supply system - Google Patents
Power supply system Download PDFInfo
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- CN218335333U CN218335333U CN202222179538.6U CN202222179538U CN218335333U CN 218335333 U CN218335333 U CN 218335333U CN 202222179538 U CN202222179538 U CN 202222179538U CN 218335333 U CN218335333 U CN 218335333U
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Abstract
The utility model relates to a power supply system, including the power supply who provides the 220V alternating current, the empty circuit breaker of protection circuit for indicate circuit operating condition's pilot lamp, and the first power supply circuit who connects in parallel with the pilot lamp, provide 220V alternating current power supply for the load through auxiliary relay and ac contactor, still include the second power supply circuit who connects in parallel with the pilot lamp, change direct current switch power supply through first alternating current 220V and supply power for the load, still include the third power supply circuit who connects in parallel with the pilot lamp, change direct current switch power supply through second alternating current 220V and supply power for the load; the utility model discloses a different interchange changes DC switch power supply and provides multiple different grade voltage for the load, need not increase other equipment conversion voltage, has reduced equipment cost, and has effectively practiced thrift the place usage space.
Description
Technical Field
The utility model belongs to the technical field of the electric equipment technique and specifically relates to indicate a power supply system.
Background
The distribution box is a low-voltage distribution box formed by assembling switch equipment, a measuring instrument, a protective electrical appliance and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement; the circuit can be switched on or switched off by a manual or automatic switch in normal operation, the circuit can be switched off or alarmed by a protective electrical appliance in fault or non-operation, various parameters in operation can be displayed by a measuring instrument, and certain electrical appliance parameters can be adjusted to prompt or send signals for deviating from normal working state. As an electrical equipment, the distribution box has the advantages of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, universal application, stable and reliable operation and less occupied area.
Present distribution box is mainly by a block terminal, the circuit breaker, ac contactor, the pilot lamp, start stop button constitutes, the output voltage that provides is more single, control mode mainly controls by button and contactor, relatively fairly simple, if need the unable provision of other different voltages, need increase equipment in addition and come converting voltage, consequently equipment cost just needs to increase, it is not high enough to open the security level of opening and stopping control moreover, probably in time corresponding after breaking down, can cause the harm to equipment.
In conclusion, the existing distribution box has the problem of single power supply.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that the single problem of block terminal power supply among the prior art is overcome.
In order to solve the technical problem, the utility model provides a power supply system, include:
the power supply is used for providing 220V alternating current power supply;
one phase of the 2P air-break circuit breaker is connected with a live wire of the power supply, and the other phase of the 2P air-break circuit breaker is connected with a zero line of the power supply and is used for controlling the on-off of a 220V alternating current power supply;
one end of the first indicator light is connected with the live wire of the power supply, and the other end of the first indicator light is connected with the zero wire of the power supply and used for reflecting the working state of the circuit;
the first power supply circuit is connected with the first indicator lamp in parallel and comprises an alternating current contactor and an intermediate relay connected with the alternating current contactor in series, wherein two main contacts of the alternating current contactor are respectively connected with a zero line and a live line of a power supply, the input ends of a first group of normally open contacts of the intermediate relay are respectively connected with two main contacts of the alternating current contactor, and the output ends of the first group of normally open contacts of the intermediate relay are connected with a load to supply power to the load;
the second power supply circuit is connected with the first indicator lamp in parallel and comprises a first alternating current 220V-to-direct current switching power supply, the input end of the first alternating current 220V-to-direct current switching power supply is respectively connected with a zero line and a live line of the power supply, and the output end of the first alternating current 220V-to-direct current switching power supply supplies power to a load;
and the third power supply circuit is connected with the first indicator lamp in parallel and comprises a second alternating current 220V-to-direct current switching power supply, the input end of the second alternating current 220V-to-direct current switching power supply is respectively connected with a zero line and a live line of the power supply, and the output end of the second alternating current 220V-to-direct current switching power supply supplies power for the load.
In an embodiment of the present invention, the first ac 220V to dc switching power supply is an ac 220V to dc 24V switching power supply.
In an embodiment of the present invention, the second ac 220V to dc switching power supply is an ac 220V to dc 5V switching power supply.
In an embodiment of the present invention, the second power supply circuit further includes:
the second group of normally open contacts of the intermediate relay are respectively connected with the anode and the cathode of the alternating current 220V-to-24V switching power supply;
and the input end of the first normally open contact of the safety relay is connected with the second group of normally open contacts of the intermediate relay in series, and the output end of the first normally open contact of the safety relay is connected with the load to supply power to the load.
In an embodiment of the present invention, the second power supply circuit further includes:
one end of the second indicator light is connected with the anode of the AC 220V-to-DC 24V switching power supply, and the other end of the second indicator light is connected with the cathode of the AC 220V-to-DC 24V switching power supply and is used for indicating the working state of the second power supply circuit;
the control module group, with the second pilot lamp is parallelly connected, and it specifically includes:
an AC contactor coil;
the starting button is connected with the alternating current contactor coil in series;
a stop button in series with the start button;
the second normally open contact of the safety relay is connected with the stop button in series;
the normally open contact of the alternating current contactor is connected with the starting button in parallel;
and one end of the intermediate relay coil is connected to the negative electrode of the alternating current 220V-to-direct current 24V switching power supply, and the other end of the intermediate relay coil is used for receiving an external control signal and controlling the on-off of the 24V output power supply through the external control signal.
The utility model discloses an embodiment, still include the safety circuit for control 220V alternating current power supply's break-make, it specifically includes:
the input end of the safety relay is connected with the anode of the AC 220V-to-DC 24V switching power supply, and the output end of the safety relay is connected with the cathode of the AC 220V-to-DC 24V switching power supply;
and one end of a third normally open contact of the safety relay is connected with the positive electrode of the 24V switching power supply for converting alternating current 220V into direct current, and the other end of the third normally open contact of the safety relay is used for providing a 24V power supply for external equipment.
The utility model discloses an embodiment, be provided with emergency stop button on the safety relay for press emergency stop button when taking place the incident, through the normally open contact disconnection 220V alternating current power supply of control safety relay.
In an embodiment of the present invention, the safety relay is a Pilz safety relay PNOZ s4.
In an embodiment of the utility model, still include the terminal strip, the terminal strip includes interchange 220V power interface, direct current 24V power interface and direct current 5V power interface for be connected so as to supply power for external equipment with external equipment.
The utility model discloses an in the embodiment, still include control panel, last power indicator, the running direction lamp, the start button, the stop button, the scram button of being provided with of control panel.
The utility model provides a power supply system includes the power supply who provides the 220V alternating current, an air break circuit ware for the protection circuit and the pilot lamp that is used for indicating circuit operating condition to and the parallelly connected first power supply circuit of pilot lamp, be used for providing 220V alternating current power supply for external equipment, still include the parallelly connected second power supply circuit of pilot lamp, third power supply circuit, change direct current switch power supply and second alternating current 220V through first alternating current 220V and change direct current switch power supply and provide different powers for external equipment; the utility model discloses an it is integrated in a block terminal with the switching power supply of difference, for the external equipment provides the voltage of multiple different levels, effectively practice thrift cost and place usage space, make the power supply unit structure compacter, and through empty circuit breaker protection circuit that opens, the security level is better, accords with safety standard, can prevent effectively that the incident from taking place, in addition, the utility model provides a ground power supply system can reuse, and application scope is extensive.
Drawings
In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic diagram of a main circuit of a power supply system;
FIG. 2 is a schematic diagram of a 24V power output circuit in a power supply system
FIG. 3 is a schematic diagram of a control loop in the power supply system;
FIG. 4 is a schematic diagram of a safety loop in a power supply system;
FIG. 5 is a mounting plate layout of the power supply system;
fig. 6 is a schematic diagram of a control panel of the power supply system.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Example 1:
referring to fig. 1, the present invention provides a power supply system including:
the power supply is used for providing 220V alternating current power supply;
one phase of the 2P air-break circuit breaker is connected with a live wire of the power supply, and the other phase of the 2P air-break circuit breaker is connected with a zero line of the power supply and is used for controlling the on-off of a 220V alternating current power supply;
the 2P air-break circuit breaker is used for controlling the power supply of the whole power supply system, and when the current in the circuit exceeds the rated current, the air-break circuit breaker breaks a protection circuit;
one end of the first indicator light is connected with the live wire of the power supply, and the other end of the first indicator light is connected with the zero wire of the power supply and is used for indicating the working state of the circuit;
the first power supply circuit is connected with the first indicator lamp in parallel and comprises an alternating current contactor and an intermediate relay connected with the alternating current contactor in series, wherein two-phase main contacts of the alternating current contactor are respectively connected with a live wire and a zero wire of the power supply, the input ends of a first group of normally open contacts of the intermediate relay are respectively connected with the two-phase main contacts of the alternating current contactor, and the output end of the intermediate relay is connected with a load to supply power to the load;
the alternating current 220V power supply transmits 220V alternating current to high-voltage test equipment through an alternating current contactor and an intermediate relay of a first power supply circuit;
the second power supply circuit is connected with the first indicator lamp in parallel and comprises a first alternating current 220V-to-direct current switching power supply, the input end of the first alternating current 220V-to-direct current switching power supply is respectively connected with a live wire and a zero wire of the power supply, and the output end of the first alternating current 220V-to-direct current switching power supply is connected with a load to supply power to a load;
wherein, first exchange 220V changes direct current switching power supply can be exchange 220V changes direct current 24V switching power supply, exchange 220V changes direct current 27V switching power supply etc. in the embodiment of the utility model, first exchange 220V changes direct current switching power supply for exchanging 220V changes direct current 24V switching power supply.
The third power supply circuit is connected with the first indicator lamp in parallel and comprises a second alternating current 220V-to-direct current switching power supply, the input end of the second alternating current 220V-to-direct current switching power supply is respectively connected with a live wire and a zero wire of the power supply, and the output end of the second alternating current 220V-to-direct current switching power supply is connected with a load to supply power to a load;
wherein, the second exchanges 220V and changes direct current switching power supply can be that exchange 220V changes direct current 5V switching power supply, exchange 220V and change direct current 12V switching power supply etc. in the embodiment of the utility model, the second exchanges 220V and changes direct current switching power supply and be exchange 220V and change direct current 5V switching power supply.
The power supply system that this embodiment provided can provide the interchange 220V power for the outside, and change direct current switching power supply through different interchange 220V and still can provide the voltage of multiple different grades for external equipment, do not need to increase equipment in addition and come the conversion voltage, the equipment cost demand has been reduced, with the integration of multiple different switching power supply in a distribution box, can also effectively practice thrift cost and place usage space, make the power supply unit structure compacter, and come the protection circuit through empty circuit breaker, the security level of power supply system has been improved.
Example 2:
based on the foregoing embodiment 1, this embodiment further optimizes the foregoing power supply system, and as shown in fig. 2, the second power supply circuit further includes:
the second group of normally open contacts of the intermediate relay are respectively connected with the positive electrode and the negative electrode of the alternating current 220V-to-direct current 24V switching power supply;
the input end of the first normally open contact of the safety relay is connected with the second group of normally open contacts of the intermediate relay, and the output end of the first normally open contact of the safety relay is connected with a load to supply power to the load;
the on-off of the 24V power supply can be controlled by closing the contacts through a group of normally open contacts of the intermediate relay and one normally open contact of the safety relay.
Example 3:
based on the foregoing embodiment 2, the foregoing power supply system is further optimized in this embodiment, as shown in fig. 3, the power supply system further includes a control loop, which specifically includes:
one end of the second indicator light is connected with the anode of the AC 220V-DC 24V switching power supply, and the other end of the second indicator light is connected with the cathode of the AC 220V-DC 24V switching power supply and is used for indicating the working state of the first power supply circuit;
the control module is connected with the second indicator light in parallel and specifically comprises a control module;
an AC contactor coil;
the starting button is connected with the alternating current contactor coil in series;
a stop button in series with the start button;
the second normally open contact of the safety relay is connected with the stop button in series;
the normally open contact of the alternating current contactor is connected with the starting button in parallel;
and one end of the intermediate relay coil is connected to the negative electrode of the 24V switching power supply for converting alternating current 220V into direct current, and the other end of the intermediate relay coil is used for receiving an external control signal and controlling the on-off of the 24V output power supply through the external control signal.
Example 4:
based on the above embodiment 3, this embodiment further optimizes the above power supply system, as shown in fig. 4, the power supply system further includes a safety loop for controlling on/off of the 220V ac power supply, and the safety loop specifically includes:
the input end of the safety relay is connected with the anode of the AC 220V-to-DC 24V switching power supply, and the output end of the safety relay is connected with the cathode of the AC 220V-to-DC 24V switching power supply;
and one end of a third normally open contact of the safety relay is connected with the positive electrode of the alternating current 220V-to-direct current 24V switching power supply, and the other end of the third normally open contact of the safety relay is used for providing a 24V power supply for external equipment.
In this embodiment, safety relay is Pilz's safety relay PNOZ s4, by the output control of the binary channels electric shock, just start working when two channel signals are all safe, when one of them signal disconnection, stop output, still be provided with emergency stop button on it, when taking place the incident, clap emergency stop button down, safety relay is through controlling safety relay normally open contact disconnection 220V power, has improved power supply system's security level, accords with the safety standard, can prevent effectively that the incident from taking place.
Based on the above embodiment, as preferable, the power supply system provided by the present invention further includes a terminal strip, as shown in fig. 5, the terminal strip is provided with an ac 220V power interface, a dc 24V power interface and a dc 5V power interface, and is used for being connected with an external device to supply power to the external device;
preferably, the power supply system further comprises a control panel, as shown in fig. 6, on which a power indicator lamp for indicating on/off of power, an operation indicator lamp for indicating an operation state of the system, a start button and a stop button for controlling an operation state of the system, and an emergency stop button for cutting off 220V power when a safety accident occurs are provided.
The working state of the power supply system can be observed more conveniently through the control panel, the operation or stop of the power supply system can be controlled through buttons on the control panel, local operation is achieved, safety accidents are effectively prevented, the application range is wide, and the safety performance is stronger.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A power supply system, comprising:
the power supply is used for providing 220V alternating current power supply;
one phase of the 2P air-break circuit breaker is connected with a live wire of the power supply, and the other phase of the 2P air-break circuit breaker is connected with a zero line of the power supply and is used for controlling the on-off of a 220V alternating current power supply;
one end of the first indicator light is connected with the live wire of the power supply, and the other end of the first indicator light is connected with the zero wire of the power supply and used for reflecting the working state of the circuit;
the first power supply circuit is connected with the first indicator lamp in parallel and comprises an alternating current contactor and an intermediate relay connected with the alternating current contactor in series, wherein two main contacts of the alternating current contactor are respectively connected with a zero line and a live line of a power supply, the input ends of a first group of normally open contacts of the intermediate relay are respectively connected with two main contacts of the alternating current contactor, and the output ends of the first group of normally open contacts of the intermediate relay are connected with a load to supply power to the load;
the second power supply circuit is connected with the first indicator lamp in parallel and comprises a first alternating current 220V-to-direct current switching power supply, the input end of the first alternating current 220V-to-direct current switching power supply is respectively connected with a zero line and a live line of the power supply, and the output end of the first alternating current 220V-to-direct current switching power supply supplies power to a load;
and the third power supply circuit is connected with the first indicator lamp in parallel and comprises a second alternating current 220V-to-direct current switching power supply, the input end of the second alternating current 220V-to-direct current switching power supply is respectively connected with a zero line and a live line of the power supply, and the output end of the second alternating current 220V-to-direct current switching power supply supplies power for the load.
2. The power supply system of claim 1, wherein the first ac 220V to dc switching power supply is an ac 220V to dc 24V switching power supply.
3. The power supply system of claim 1, wherein the second ac 220V to dc switching power supply is an ac 220V to dc 5V switching power supply.
4. The power supply system of claim 2, wherein the second power supply circuit further comprises:
the second group of normally open contacts of the intermediate relay are respectively connected with the anode and the cathode of the alternating current 220V-to-24V switching power supply;
and the input end of the first normally open contact of the safety relay is connected with the second group of normally open contacts of the intermediate relay in series, and the output end of the first normally open contact of the safety relay is connected with the load to supply power to the load.
5. The power supply system of claim 4, wherein the second power supply circuit further comprises:
one end of the second indicator light is connected with the anode of the AC 220V-to-DC 24V switching power supply, and the other end of the second indicator light is connected with the cathode of the AC 220V-to-DC 24V switching power supply and is used for indicating the working state of the second power supply circuit;
the control module group, with the second pilot lamp is parallelly connected, and it specifically includes:
an AC contactor coil;
the starting button is connected with the alternating current contactor coil in series;
a stop button in series with the start button;
the second normally open contact of the safety relay is connected with the stop button in series;
the normally open contact of the alternating current contactor is connected with the starting button in parallel;
and one end of the intermediate relay coil is connected to the negative electrode of the 24V switching power supply for converting alternating current 220V into direct current, and the other end of the intermediate relay coil is used for receiving an external control signal and controlling the on-off of the 24V output power supply through the external control signal.
6. The power supply system of claim 5, further comprising a safety loop for controlling the on/off of the 220V AC power supply, which specifically comprises:
the input end of the safety relay is connected with the anode of the alternating current 220V-to-direct current 24V switching power supply, and the output end of the safety relay is connected with the cathode of the alternating current 220V-to-direct current 24V switching power supply;
and one end of a third normally open contact of the safety relay is connected with the positive electrode of the alternating current 220V-to-direct current 24V switching power supply, and the other end of the third normally open contact of the safety relay is used for providing a 24V power supply for external equipment.
7. The power supply system according to claim 6, wherein the safety relay is provided with an emergency stop button, and when the emergency stop button is pressed in case of a safety accident, the 220V alternating current power supply is disconnected by controlling a normally open contact of the safety relay.
8. The power supply system of claim 6, wherein the safety relay is a Pilz safety relay PNOZ s4.
9. The power supply system according to any one of claims 2 or 3, further comprising a terminal strip, the terminal strip comprising an AC 220V power interface, a DC 24V power interface and a DC 5V power interface for connecting with an external device to supply power to the external device.
10. The power supply system of claim 1, further comprising a control panel, wherein the control panel is provided with a power indicator, a run indicator, a start button, a stop button, and an emergency stop button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222179538.6U CN218335333U (en) | 2022-08-18 | 2022-08-18 | Power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222179538.6U CN218335333U (en) | 2022-08-18 | 2022-08-18 | Power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218335333U true CN218335333U (en) | 2023-01-17 |
Family
ID=84884340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222179538.6U Active CN218335333U (en) | 2022-08-18 | 2022-08-18 | Power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218335333U (en) |
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2022
- 2022-08-18 CN CN202222179538.6U patent/CN218335333U/en active Active
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