CN214708251U

CN214708251U - PDU cabinet

Info

Publication number: CN214708251U
Application number: CN202120398180.9U
Authority: CN
Inventors: 刘斌华; 曾志锋
Original assignee: Jishan Guangdong Technology Co ltd
Current assignee: Jishan Guangdong Technology Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-11-12
Anticipated expiration: 2031-02-23

Abstract

The utility model relates to a PDU machine case. The PDU case of the utility model comprises a case body, a breaker and a PDU module, wherein the breaker and the PDU module are arranged on the case body; the circuit breaker comprises a control module and at least one circuit breaker module arranged in parallel with the control module; the control module comprises a control assembly, a motor gear control assembly and a communication assembly, wherein the control assembly is connected with the motor gear control assembly, and the control assembly is connected with the communication assembly; the circuit breaker module comprises a sensor assembly and a switch assembly, the sensor assembly is connected with the control assembly, and the switch assembly is connected with the motor gear control assembly; the PDU module comprises at least one PDU interface, and one PDU interface is matched with one breaker module; the sensor assembly is used for collecting and transmitting an electric signal of an electric loop for the circuit breaker module, and the control module receives the electric signal of the sensor assembly and controls the motor gear control mechanism to drive the switch assembly to move so as to cut off or switch on the circuit breaker module.

Description

PDU cabinet

Technical Field

The utility model relates to a communication field especially relates to PDU machine case.

Background

A PDU (Power Distribution Unit), which is a Power Distribution socket for a cabinet, is a product designed to provide Power Distribution for electrical equipment installed in the cabinet, has various series specifications of different functions, installation modes and different plug-in combinations, and can provide a suitable rack-mounted Power Distribution solution for different Power environments.

Due to the application of the PDU, the power supply in the cabinet can be distributed more orderly, reliably, safely, professionally and attractively, and the maintenance of the power supply in the cabinet is more convenient and reliable. Compared with a common power strip, the cabinet socket (PDU) has the advantages that: the design and arrangement are more reasonable, the quality and the standard are stricter, the safe and fault-free working time is long, various electric leakage and over-current overload protection are more excellent, the plugging and pulling actions are frequent and are not easy to damage, the heat temperature rise is small, the installation is more flexible and convenient, and the device is suitable for industrial customers with strict power utilization requirements. And the potential safety hazards of frequent power failure, burning, fire and the like caused by poor contact and small load of the common power supply extension socket are fundamentally avoided.

However, the common air switch of the main line is usually used by the upper-level line power distribution unit of the traditional PDU, the common air switch can only generate the passive protection effect when the PDU main line is short-circuited and exceeds the corresponding maximum rated current, the requirement for fine management of power supply of the original richer load equipment can not be met far away, and the PDU power distribution unit has huge functional defects in the aspects of accurate information of power operation and maintenance, electrical fire monitoring and effective energy consumption management.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at, provide a PDU machine case.

A PDU case comprises a case body, a circuit breaker and a PDU module, wherein the circuit breaker and the PDU module are arranged on the case body; the circuit breaker comprises a control module and at least one circuit breaker module arranged in parallel with the control module; the control module comprises a control assembly, a motor gear control assembly and a communication assembly, wherein the control assembly is connected with the motor gear control assembly, and the control assembly is connected with the communication assembly; the circuit breaker module comprises a sensor assembly and a switch assembly, the sensor assembly is connected with the control assembly, and the switch assembly is connected with the motor gear control assembly; the PDU module comprises at least one PDU interface, and one PDU interface is matched with one breaker module; the sensor assembly is used for collecting and transmitting an electric signal of an electric loop of the circuit breaker module, and the control module receives the electric signal of the sensor assembly and controls the motor gear control mechanism to drive the switch assembly to move so as to cut off or switch on the circuit breaker module.

Traditional PDU product, when the short circuit takes place for the rear end equipment, the front end is empty to be opened and at first can be tripped, leads to whole PDU can't get the electricity, and all connect the electrical equipment above the PDU all can cut off the power supply and cause comparatively serious work influence. Each feeder ear of PDU machine case and the empty division of the thing networking of matching be mutually independent power supply loop, every power supply interface independently carries out power supply management and monitoring and energy consumption analysis to subordinate's load, can correspond when the rear end equipment power consumption breaks down and protect this power supply interface and can not influence the interface of other power supply distributions, every corresponds the interface and reports to the police and protects to the accuracy relevant that should the consumer, correspond the tripping operation of the empty division of interface when taking place the accident, can not influence the work of connecting electric equipment. Moreover, each power supply interface can automatically respond without platform intervention, and can automatically send out early warning or alarm information to a mobile phone APP of a manager or a monitoring center platform system synchronously to remind and arrange service personnel to follow up inspection and maintenance in time.

Further, the switch assembly and the PDU interface are nested on the same side of the case.

Furthermore, the same side surface is provided with a network cable interface and an antenna interface, the control module is connected with the network cable interface through an electric wire, and the control module is connected with the antenna interface through an electric wire.

Furthermore, an incoming line power supply wiring terminal is arranged on the same side face; be provided with anodal copper bar, negative pole copper bar in the box, inlet wire power supply binding post's positive negative pole respectively with anodal copper bar negative pole copper bar is connected, circuit breaker module's positive negative pole respectively with anodal copper bar negative pole copper bar is connected, the PDU interface positive negative pole respectively with anodal copper bar negative pole copper bar is connected.

Furthermore, the positive copper bar is not in contact with the box body, and a positive insulation piece is arranged between the positive copper bar and the box body.

Further, the negative copper bar is not in contact with the box body.

Furthermore, one of the panels of the box body is divided into an upper panel and a lower panel, the upper panel is provided with a notch for nesting a switch assembly, and the PDU interface, the network cable interface, the antenna interface and the incoming line power supply wiring terminal are arranged on the lower panel.

Furthermore, a guide rail is arranged in the box body, the control module is arranged on the guide rail in a sliding mode, and the circuit breaker module is arranged on the guide rail in a sliding mode.

Further, the sensor assembly comprises a current sensor for collecting current in the current power utilization circuit, a voltage sensor for collecting voltage in the current power utilization circuit, a zero sequence current sensor for generating leakage detection current to perform leakage detection, a switch contact temperature sensor for detecting temperature at a switch contact, and a switch contact position sensor for detecting the opening and closing position of the switch contact.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a PDU casing according to an embodiment;

fig. 2 is an internal schematic view of a PDU casing according to an embodiment;

fig. 3 is a schematic structural diagram of a circuit breaker according to an embodiment;

FIG. 4 is a schematic diagram of a control module according to an embodiment;

figure 5 is a schematic diagram of a circuit breaker module according to an embodiment;

reference numerals:

1. a box body; 11. an upper panel; 111. a notch; 12. a lower panel; 121. an incoming line power supply terminal; 122. a network cable interface; 123. an antenna interface; 13. a positive copper bar; 131. a positive electrode insulator; 14. a negative copper bar; 15. a guide rail; 2. a circuit breaker; 21. a control module; 211. a control component; 212. a motor gear operating assembly; 213. a communication component; 22. a circuit breaker module; 221. a sensor assembly; 222. a switch assembly; 3. a PDU module; 31. a PDU interface.

Detailed Description

A PDU cabinet, see fig. 1-5, includes box 1, circuit breaker 2, PDU module 3. Wherein, PDU module 3 detachably installs on the lateral surface of box 1. Breaker 2 installs in box 1, breaker 2 and PDU module 3 electric connection.

Referring to fig. 1 to 5, the box body 1 is a rectangular parallelepiped cabinet body made of a metal plate. An upper panel 11 and a lower panel 12 divided into upper and lower parts are provided on one panel of the box body 1. The upper panel 11 and the lower panel 12 are detachably attached to each other. A notch 111 is provided in the upper panel 11, the notch 111 being configured to nest the switch assembly 222 of the circuit breaker 2. The lower panel 12 is used for installing the PDU module 3, and an incoming power supply terminal 121, a network cable interface 122 and an antenna interface 123 are installed on the lower panel 12.

Specifically, an anode copper bar 13 and a cathode copper bar 14 are arranged in the box body 1, and the anode and the cathode of the incoming line power supply wiring terminal 121 are respectively electrically connected with the anode copper bar 13 and the cathode copper bar 14. Wherein, anodal copper bar 13 is installed in box 1 through two positive pole insulators 131, and positive pole insulator 131 is located between anodal copper bar 13 and the box 1 for anodal copper bar 13 and box 1 direct contact not avoid the condition of electric leakage.

Referring to fig. 1 to 5, the circuit breaker 2 is mounted on a guide rail 15, and the circuit breaker 2 is movable on the guide rail 15. The circuit breaker 2 comprises a control module 21, at least one circuit breaker module 22 arranged in parallel with the control module 21. The control module 21 is mounted on the guide rail 15 through a bayonet, and the control module 21 is connected with the network cable interface 122 and the antenna interface 123 through electric wires respectively; the control module 21 comprises a control component 211, a motor gear operating component 212 and a communication component 213, wherein the control component 211 is connected with the motor gear operating component 212, and the control component 211 is connected with the communication component 213. The circuit breaker module 22 is installed on the guide rail 15 through a bayonet, and the positive electrode and the negative electrode of the circuit breaker module 22 are respectively connected with the positive electrode copper bar 13 and the negative electrode copper bar 14 through electric wires; the circuit breaker module 22 comprises a sensor assembly 221 and a switch assembly 222, wherein the sensor assembly 221 is connected with the control assembly 211, the switch assembly 222 is connected with the motor gear control assembly 212, the switch assembly 222 is nested in the notch 111 of the upper panel 11, so that the switch assembly 222 is exposed out of the upper panel 11, and the switch assembly 222, the incoming line power connection terminal 121, the network cable interface 122 and the antenna interface 123 are located on the same side face of the box body 1. The sensor assembly 221 is used for collecting and transmitting an electric signal of an electric circuit of the breaker module 22, and the control module receives the electric signal of the sensor assembly 221 and controls the motor gear control mechanism to drive the switch assembly 222 to move so as to switch off or switch on the breaker module 22.

Specifically, the communication component 213 may support various communication modes such as wired network interface, WIFI, 2G, 4G, NB, zigbee, lora, 485, and may upload data in the circuit breaker 2 to an external networking device or receive an instruction issued by the external networking device.

Specifically, the sensor assembly 221 specifically includes: the current sensor is used for collecting current in a current circuit, the voltage sensor is used for collecting voltage in the current circuit, the zero sequence current sensor is used for generating leakage detection current to perform leakage detection, the switch contact temperature sensor is used for detecting the temperature of switch contacts, and the switch contact position sensor is used for detecting the opening and closing positions of the switch contacts.

Referring to fig. 1 to 5, the PDU module 3 includes at least one PDU interface 31 disposed on the lower panel 12, and the PDU interface 31 switch assembly 222, the incoming power connection terminal 121, the network cable interface 122, and the antenna interface 123 are located on the same side of the box 1. The positive and negative electrodes of the PDU interface 31 are respectively connected with the positive copper bar 13 and the negative copper bar 14 through leads. One PDU interface 31 is matched to one breaker module 22 so that one breaker module 22 is responsible for monitoring or controlling one PDU interface 31.

Compared with the prior art, the PDU chassis has the following beneficial effects:

1. the PDU case is simple to install, and can be directly installed and used by replacing the original PDU without changing the original structure and circuit in the PDU case;

2. sharing and using the original network system;

3. the equipment and the network are simple to maintain;

4. the electric fault prevention of equipment, automatic control, after the power consumption end reaches the early warning numerical value of settlement, the wisdom equipment automatic response need not platform intervention.

5. More accurate effectual safety supervision and control management increase functions such as remote control, automatic control, electric quantity statistics, energy consumption monitoring, surge, strike sparks, short circuit, power are injectd, electric current are injectd, timing control on traditional technique.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A PDU chassis, its characterized in that:

the circuit breaker comprises a box body (1), a circuit breaker (2) and a PDU module (3), wherein the circuit breaker (2) and the PDU module are arranged on the box body (1);

the circuit breaker (2) comprises a control module (21) and at least one circuit breaker module (22) which is arranged in parallel with the control module (21); the control module (21) comprises a control component (211), a motor gear operating component (212) and a communication component (213), wherein the control component (211) is connected with the motor gear operating component (212), and the control component (211) is connected with the communication component (213); the circuit breaker module (22) comprises a sensor assembly (221) and a switch assembly (222), wherein the sensor assembly (221) is connected with the control assembly (211), and the switch assembly (222) is connected with the motor gear operating assembly (212);

the PDU module (3) comprises at least one PDU interface (31), and one PDU interface (31) is matched with one breaker module (22);

the sensor assembly (221) is used for collecting and transmitting an electric signal of an electric circuit for the circuit breaker module (22), and the control module (21) receives the electric signal of the sensor assembly (221) and controls the motor gear control mechanism to drive the switch assembly (222) to move so as to cut off or conduct the circuit breaker module (22).

2. The PDU chassis of claim 1, wherein: the switch assembly (222) and the PDU interface (31) are nested on the same side of the box body (1).

3. The PDU chassis of claim 2, wherein: the utility model discloses a control module, including same side be provided with net twine interface (122), antenna interface (123) on same side, control module (21) with net twine interface (122) are connected through the electric wire, control module (21) with antenna interface (123) are connected through the electric wire.

4. The PDU chassis of claim 3, wherein: an incoming line power supply wiring terminal (121) is arranged on the same side face; be provided with anodal copper bar (13), negative pole copper bar (14) in box (1), the positive negative pole of inlet wire power supply binding post (121) respectively with anodal copper bar (13) negative pole copper bar (14) are connected, the positive negative pole of circuit breaker module (22) respectively with anodal copper bar (13) negative pole copper bar (14) are connected, the positive negative pole of PDU interface (31) respectively with anodal copper bar (13) negative pole copper bar (14) are connected.

5. The PDU chassis of claim 4, wherein: the positive copper bar (13) is not in contact with the box body (1), and a positive insulation piece (131) is arranged between the positive copper bar (13) and the box body (1).

6. The PDU chassis of claim 4, wherein: the negative copper bar (14) is not in contact with the box body (1).

7. The PDU chassis of claim 4, wherein: divide into upper portion panel (11), lower part panel (12) of upper and lower two parts on one of them panel of box (1) upper portion panel (11) are provided with breach (111) that are used for nested switch module (222), PDU interface (31) net twine interface (122) antenna interface (123) inlet wire power binding post (121) set up on lower part panel (12).

8. The PDU chassis of claim 1, wherein: a guide rail (15) is arranged in the box body (1), the control module (21) is arranged on the guide rail (15) in a sliding mode, and the circuit breaker module (22) is arranged on the guide rail (15) in a sliding mode.

9. The PDU chassis of claim 1, wherein: the sensor assembly (221) comprises a current sensor for collecting current in the current circuit, a voltage sensor for collecting voltage in the current circuit, a zero-sequence current sensor for generating leakage detection current to perform leakage detection, a switch contact temperature sensor for detecting the temperature of a switch contact, and a switch contact position sensor for detecting the opening and closing position of the switch contact.