CN211605567U

CN211605567U - PDU with controllable switch

Info

Publication number: CN211605567U
Application number: CN202020669116.5U
Authority: CN
Inventors: 姚希; 陆学军; 万静龙
Original assignee: Cetc Ecriee Power Anhui Co ltd
Current assignee: Cetc Ecriee Power Anhui Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-09-29
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a PDU with controllable switch, including controller, relay, the casing that contains the protecgulum and install PDU base plate and insulating mounting panel in this casing. The insulating mounting plate is provided with an electric connection seat, and the front cover of the shell is provided with a plug jack which is opposite to the electric connection seat and matched with the electric connection seat. The PDU can realize automatic control of the switch, and has wide application prospect.

Description

PDU with controllable switch

Technical Field

The utility model belongs to the technical field of it is electric, concretely relates to PDU.

Background

Pdu (power Distribution unit), also known as a power Distribution unit, is widely used in the power Distribution and management of electrical devices. Chinese patent application CN 207624979U discloses a plug-in PDU, it includes the shell, is located universal base plate in the shell and with the shell can be dismantled the connection and be used for installing the general plug frame of the output socket of different specifications, output socket with but universal plug frame fixed connection forms plug module, universal base plate including the printed circuit board that has the power supply line and with a plurality of electrically conductive covers that the printed circuit board electricity is connected, output socket has the plug foot, electrically conductive cover have a plurality of different specifications and be used for with plug foot matched with connect the position of inserting. The above-mentioned plug-in PDU's scheme has realized that the quantity and the position of the output socket of different specifications on a single PDU carry out flexible adjustment.

It should be noted that more and more application scenarios impose a switch-controllable functional requirement on the PDU. For example, in the case of power supply abnormality, the operator can quickly shut down the PDU to ensure the safety of the equipment operation. For the switch controllable function requirement of PDU, a mature and reliable solution is not yet available.

SUMMERY OF THE UTILITY MODEL

The utility model discloses make the improvement to current technical problem, the technical problem that utility model will solve promptly provides a PDU that the switch is controllable.

The technical scheme of the utility model is that:

a PDU with controllable switch is characterized by comprising a controller, a relay, a shell comprising a front cover, a PDU substrate and an insulating mounting plate, wherein the PDU substrate and the insulating mounting plate are arranged in the shell, the insulating mounting plate is provided with an electric connection seat, the front cover of the shell is provided with a plug jack which is opposite to the electric connection seat and matched with the electric connection seat, the electric connection seat comprises a live wire electric connection seat, a zero wire electric connection seat and a ground wire electric connection seat, the zero wire electric connection seat is fixedly connected with a zero wire binding post which is connected with the PDU substrate, the ground wire electric connection seat is fixedly connected with a ground wire binding post which is connected with the PDU substrate, the live wire electric connection seat is fixedly connected with a live wire binding post, the insulating mounting plate is further provided with a conductive column which is connected with the PDU substrate, the conductive column is movably sleeved with a first insulating support and a second insulating support which are fixed on the insulating mounting plate along the, it can follow the orientation and keep away from to lead electrical pillar the direction of live wire terminal slides, in order to realize with the contact and the disconnection of live wire terminal, install first electro-magnet on the first insulation support, install the second electro-magnet on the second insulation support, it fixes the cover with insulating ground and is equipped with the iron sheet to lead electrical pillar, and this iron sheet is located first electro-magnet with between the second electro-magnet, controller communicably connect the relay, the relay includes normally closed contact and normally open contact, normally closed contact establish ties in on the supply circuit of first electro-magnet, normally open contact establish ties in on the supply circuit of second electro-magnet.

Further, the insulating mounting plate is made of polyurethane.

Further, the live wire electrical connection base, the zero wire electrical connection base, the ground wire electrical connection base 162 and the conductive column are all made of copper.

Furthermore, two ends of the conductive column are provided with anti-slip limiting blocks.

Furthermore, an open slot which is right opposite to the plug jack is arranged on the live wire sub-electric connection seat, a pair of arc-shaped copper sheets are arranged in the open slot, and the pair of arc-shaped copper sheets are arranged on the inner side wall of the open slot.

Based on the controllable PDU of switch of above-mentioned scheme, utilize controller and relay to switch on and off the electricity first electro-magnet and second electro-magnet, further adjust the contact and the disconnection of leading electrical pillar and live wire terminal to realize the on-off control function of whole PDU.

Drawings

Fig. 1 is an exploded view of a switch-controllable PDU according to the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is an internal structure diagram of the electric socket provided by the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 3, the switch-controllable PDU of the present invention includes a PDU casing 10, a PDU substrate (not shown), an insulating mounting plate 5, a controller (not shown) and a relay (not shown).

The PDU substrate, the insulating mounting plate, is mounted inside the housing 10 in any known manner. The housing 10 includes a rear cover 1 and a front cover 6. The insulating mounting plate 5 is arranged in front of the rear cover 1 and behind the front cover 6 in a facing manner, and a plurality of electric connecting seats 16 which are uniformly distributed at intervals are arranged on the insulating mounting plate. The rear cover 1 is provided with mounting holes 3 and mounting holes 4. The PDU board is a conventional one, and has a main body portion of a printed circuit board provided with a connecting portion for connecting with the electrical socket 16. The front cover 6 is provided with a plug jack 9 which is right opposite to the front and the back of the electric connection seat 16. The casing 10 is further provided with a live wire inlet 7 and a zero wire inlet 8 which are connected with the PDU substrate 5 so as to facilitate external power supply.

Each of the sockets, in turn, includes a hot sub socket 161, a neutral sub socket 163 and a ground sub socket 162. Each of the neutral terminal sockets 163 is fixedly connected to a neutral terminal 15, each of the ground terminal sockets 162 is fixedly connected to a ground terminal (not shown), and each of the live terminal sockets 161 is fixedly connected to a live terminal 17. When the PDU is in work, an external plug for connecting the PDU is inserted into the shell from the front cover 6 and is communicated with the electric connection base 16, and the zero line binding post 15, the ground wire binding post and the live wire binding post 17 are communicated with the corresponding connecting parts on the PDU substrate.

The utility model discloses the switch-on and the mode of cutting off of live wire terminal are improved to the focus. A conductive post 13 facing the terminal 17 is further mounted near the terminal 17. The end of the conductive column 13 away from the live terminal 17 is connected to a connection portion on the PDU substrate. The conductive column 13 is slidably mounted on the insulating mounting plate 5 through the first insulating support 12 and the second insulating support 19. The conductive post 13 can slide in a direction towards or away from the live terminal 17. The first insulating support 12 is located at an end remote from the live terminal 17 and the second insulating support 19 is located at an end adjacent to the live terminal 17. The first insulating bracket 12 is provided with a first electromagnet 14, and the second insulating bracket 19 is provided with a second electromagnet 18. The iron sheet 11 is located between the first electromagnet 14 and the second electromagnet 19, and is fixedly and insulatively sleeved on the conductive column 13. The first electromagnet 14 is energized to generate magnetism, attracting the iron piece 11, and thus the conductive post 13 moves in a direction away from the live terminal 17. Similarly, when the second electromagnet 19 is energized to attract the iron piece 11, the conductive post 13 moves in a direction to approach the live terminal 17, and the conductive post 13 and the live terminal 17 are connected.

Preferably, the insulating mounting plate 5 is made of polyurethane, which has good insulating property. The live and neutral

electrical contacts

161, 163, the ground electrical contact 162 and the conductive post 13 are made of copper. Adopt the copper product matter, have fine electric conductivity, the both ends of leading electrical pillar 13 are all extended with the body and are had the stopper that prevents to lead electrical pillar 13 slippage, through setting up the stopper, can prevent to lead electrical pillar 13 when the horizontal slip, can not break away from first insulation support frame 12 and second insulation support frame 19 with sliding.

The controller and the relay are preferably installed outside the housing 10 to control the power supply of the first electromagnet 14 and the second electromagnet 18. The first electromagnet 14 and the second electromagnet 18 are powered by an external power supply. The controller is preferably a PLC communicatively connected to the relay to control it. The relay specifically performs the connection and termination operations of the power supply circuits corresponding to the first electromagnet 14 and the second electromagnet 18. The relay comprises a plurality of pairs of normally closed contacts and a plurality of pairs of normally open contacts. The normally closed contact is connected in series with the power supply circuit corresponding to the first electromagnet 14, and the normally open contact is connected in series with the power supply circuit corresponding to the second electromagnet 18. When the first electromagnet 14 is energized, the second electromagnet 18 is de-energized; conversely, when the second electromagnet 18 is energized, the first electromagnet 14 is de-energized.

Preferably, any of the hot sub-sockets 161, neutral sub-sockets 163 or ground sub-sockets 162 is provided with an open slot facing the receptacle 9. For a pair of opposing inner sidewalls within the slot, an arcuate copper plate 20 is mounted on each inner sidewall. The arc copper sheet 20 is located in the open slot, and one end of the arc copper sheet close to the opening part of the open slot is welded on the inner side wall, and the other end is suspended. After the connecting plug extending into the inserting hole 9 is inserted into the open slot, the two arc-shaped copper sheets can better clamp the head of the plug, so that the plug is more compact in inserting and is not easy to fall off.

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

1. A switch-controllable PDU is characterized by comprising a controller, a relay, a shell comprising a front cover, a PDU substrate and an insulating mounting plate, wherein the PDU substrate and the insulating mounting plate are arranged in the shell,

the insulating mounting plate is provided with an electric connection seat, the front cover of the shell is provided with a plug jack which is opposite to the electric connection seat and matched with the electric connection seat,

the power connection seat comprises a live wire sub power connection seat, a zero line sub power connection seat and a ground wire sub power connection seat, the zero line sub power connection seat is fixedly connected with a zero line binding post communicated with the PDU substrate, the ground wire sub power connection seat is fixedly connected with a ground wire binding post communicated with the PDU substrate, the live wire sub power connection seat is fixedly connected with a live wire binding post,

the insulating mounting plate is also provided with a conductive column communicated with the PDU substrate, the conductive column is movably sleeved with a first insulating support and a second insulating support which are fixed on the insulating mounting plate along the length direction of the conductive column respectively, the conductive column can slide along the direction towards and away from the live wire binding post so as to realize the contact and disconnection with the live wire binding post,

a first electromagnet is installed on the first insulating support, a second electromagnet is installed on the second insulating support, an iron sheet is fixedly sleeved on the conductive column in an insulating manner and is positioned between the first electromagnet and the second electromagnet,

the controller is communicably connected with the relay, the relay includes a normally closed contact and a normally open contact, the normally closed contact is connected in series with the power supply circuit of the first electromagnet, and the normally open contact is connected in series with the power supply circuit of the second electromagnet.

2. The switch-controllable PDU of claim 1, wherein the insulating mounting plate is a polyurethane material.

3. The switch-controllable PDU of claim 2 wherein said hot electrical receptacle, said neutral electrical receptacle, said ground electrical receptacle and said conductive post are all copper.

4. The switch-controllable PDU of any one of claims 1 to 3 wherein the conductive post is provided with anti-slip stoppers at both ends.

5. The PDU of claim 4, wherein the hot wire electrical connection socket has an open slot facing the plug insertion hole, and a pair of arc-shaped copper plates are provided in the open slot and mounted on inner sidewalls of the open slot.