CN216598279U - Lightning protection PDU with pluggable power line - Google Patents
Lightning protection PDU with pluggable power line Download PDFInfo
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- CN216598279U CN216598279U CN202220038218.6U CN202220038218U CN216598279U CN 216598279 U CN216598279 U CN 216598279U CN 202220038218 U CN202220038218 U CN 202220038218U CN 216598279 U CN216598279 U CN 216598279U
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Abstract
A lightning protection PDU with a pluggable power line is characterized in that a power interface is provided with a power lead, and the power interface, a socket inner core, a control switch and a lightning protection PDU module are all fixed on a shell; socket inner core and metal electrode are connected, connect through lightning protection PDU module electricity between metal electrode and the control switch, control switch and power source interface electricity are connected, lightning protection PDU module includes little control MCU, switching value monitoring circuit, mains voltage monitoring circuit and the number of times monitoring circuit of bleeding all are connected with little control MCU electricity, switching value monitoring circuit is used for monitoring control switch's switching value state, mains voltage monitoring circuit is used for monitoring mains voltage, the number of times monitoring circuit of bleeding is used for gathering the electric current that flows through on lightning protection circuit (16) ground wire in order to carry out the number of times monitoring of bleeding. The utility model discloses be difficult for receiving the thunderbolt to damage, online monitoring in time, power lead damages to change alone and need not the overall change.
Description
Technical Field
The utility model relates to a lightning protection PDU of plug power cord belongs to lightning protection technical field.
Background
A Power Distribution Unit (PDU) is a Power Distribution socket for a cabinet, which 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 combination, 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.
At present, with the continuous deepening of the use of products, the requirements of customers on PDU products are also increased, and especially the lightning protection function is the most important. Most of traditional PDU products do not contain the lightning protection function, PDU easily receives the thunderbolt to damage, and fault information can't in time obtain, and the power cord in case damage must wholly be changed, causes the waste. There is a need for a technical solution of a lightning protection PDU with pluggable power lines.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but lightning protection PDU of plug power cord can solve traditional PDU and easily receive the thunderbolt damage, fault information can't in time acquire and must the whole scheduling problem of changing.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a lightning protection PDU with a pluggable power line comprises a shell, a power interface, a socket inner core, a metal electrode, a control switch and a lightning protection PDU module; the power interface is provided with a power lead, and the power interface, the socket inner core, the control switch and the lightning protection PDU module are all fixed on the shell;
the socket inner core with the metal electrode is connected, the metal electrode with pass through between the control switch lightning protection PDU module electricity is connected, control switch with the power source interface electricity is connected, lightning protection PDU module includes little control MCU, switching value monitoring circuit, mains voltage monitoring circuit and the number of times monitoring circuit of bleeding all with little control MCU electricity is connected, and switching value monitoring circuit is used for monitoring control switch's switching value state, and mains voltage monitoring circuit is used for monitoring mains voltage, and the number of times monitoring circuit of bleeding is used for gathering the electric current that flows through on the lightning protection circuit ground wire and in order to carry out the number of times monitoring of bleeding, lightning protection circuit is used for the protection from the surge of power lead invasion.
As a preferred scheme of the lightning protection PDU with the pluggable power line, the power interface is a three-phase interface, the power lead is a three-phase power line, one end of the power lead is connected with a power plug, the other end of the power lead is connected with a power connector, and the power connector is connected with the power interface.
As a preferred scheme of the lightning protection PDU with the pluggable power line, the number of the metal electrodes is three, and the three metal electrodes are respectively connected with three pins of the power interface.
As the preferable scheme of the lightning protection PDU with the pluggable power line, the metal electrode and the socket inner core are fixed by screws, and the metal electrode and the socket inner core which are fixed by the screws are reinforced by soldering tin.
As the preferred scheme of the lightning protection PDU with the pluggable power line, the lightning protection PDU module further comprises an LCD display circuit, the LCD display circuit is electrically connected with the micro control MCU, and the LCD display circuit displays the PDU state through an integrated display screen.
As the preferred scheme of the lightning protection PDU with the pluggable power line, the control switch is provided with a key control circuit, the key control circuit is electrically connected with the micro control MCU, and the key control circuit is used for controlling the keys of the control switch.
As the preferred scheme of the lightning protection PDU of pluggable power cord, the lightning protection PDU module still includes power supply circuit and memory circuit, power supply circuit and memory circuit all with little the control MCU electricity is connected, and power supply circuit is used for carrying out the power supply of lightning protection PDU module, and memory circuit integration has EEPROM memory chip, and memory circuit is used for lightning protection PDU module information storage.
The utility model has the advantages that: the socket is provided with a power interface, a socket inner core, a metal electrode, a control switch and a lightning protection PDU module; the power interface is provided with a power lead, and the power interface, the socket inner core, the control switch and the lightning protection PDU module are all fixed on the shell; socket inner core and metal electrode connect, connect through lightning protection PDU module electricity between metal electrode and the control switch, control switch and power source interface electricity are connected, lightning protection PDU module includes little control MCU, switching value monitoring circuit, mains voltage monitoring circuit and the number of times monitoring circuit of bleeding all are connected with little control MCU electricity, switching value monitoring circuit is used for monitoring control switch's switching value state, mains voltage monitoring circuit is used for monitoring mains voltage, the number of times monitoring circuit of bleeding is used for gathering the electric current that flows through on the lightning protection circuit ground wire in order to carry out the number of times monitoring of bleeding, lightning protection circuit is used for protecting the surge from power lead invasion. The utility model discloses a lightning protection technology, lightning protection monitoring technology solve traditional PDU and easily receive the thunderbolt damage, and fault information acquires untimely scheduling problem, are difficult for receiving the thunderbolt to damage, can in time on-line monitoring, and the power lead damage can be changed alone and need not whole change.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural view of a lightning protection PDU of a pluggable power line provided in an embodiment of the present invention;
fig. 2 is a schematic view of the combination of the lightning protection PDU metal electrode and the socket core of the pluggable power line provided in the embodiment of the present invention;
fig. 3 is a schematic diagram of a hardware architecture of a lightning protection PDU with a pluggable power line provided in an embodiment of the present invention;
fig. 4 is a schematic diagram of a lightning protection PDU switching value monitoring circuit of a pluggable power line provided in an embodiment of the present invention;
fig. 5 is a schematic diagram of a power voltage monitoring circuit of a lightning protection PDU with a pluggable power line provided in an embodiment of the present invention;
fig. 6 is a schematic diagram of a circuit for monitoring the discharge times of the lightning protection PDU of the pluggable power line provided in the embodiment of the present invention;
fig. 7 is the embodiment of the utility model provides an in the embodiment provide a lightning protection circuit schematic diagram in the lightning protection PDU of pluggable power cord number of bleeding monitoring circuit.
In the figure, 1, a housing; 2. a power interface; 3. an inner core of the socket; 4. a metal electrode; 5. a control switch; 6. a lightning protection PDU module; 7. a power supply lead; 8. micro-controlling the MCU; 9. a switching value monitoring circuit; 10. a power supply voltage monitoring circuit; 11. a bleeding frequency monitoring circuit; 12. an LCD display circuit; 13. a key control circuit; 14. a power supply circuit; 15. a storage circuit; 16. lightning protection circuit.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, 2 and 3, a lightning protection PDU of a pluggable power line is provided, which includes a housing 1, and in addition, a power interface 2, a socket core 3, a metal electrode 4, a control switch 5 and a lightning protection PDU module 6; the power interface 2 is provided with a power lead 7, and the power interface 2, the socket inner core 3, the control switch 5 and the lightning protection PDU module 6 are all fixed on the shell 1;
the socket inner core 3 is connected with the metal electrode 4, the metal electrode 4 is electrically connected with the control switch 5 through the lightning protection PDU module 6, the control switch 5 is electrically connected with the power interface 2, the lightning protection PDU module 6 comprises a micro-control MCU8, a switching value monitoring circuit 9, a power voltage monitoring circuit 10 and a bleeding frequency monitoring circuit 11, the switching value monitoring circuit 9, the power voltage monitoring circuit 10 and the bleeding frequency monitoring circuit 11 are all electrically connected with the micro-control MCU8, the switching value monitoring circuit 9 is used for monitoring the switching value state of the control switch 5, the power voltage monitoring circuit 10 is used for monitoring the power voltage, and the bleeding frequency monitoring circuit 11 is used for collecting the current flowing on the ground wire of the lightning protection circuit 16 to monitor the bleeding frequency; the lightning protection circuit 16 is used to protect against surges intruding from the power supply leads.
In this embodiment, the power interface 2 is a three-phase interface, the power lead 7 is a three-phase power cord, one end of the power lead 7 is connected to a power plug, the other end of the power lead 7 is connected to a power connector, and the power connector is connected to the power interface 2. The metal electrodes 4 comprise three metal electrodes, and the three metal electrodes 4 are respectively connected with three pins of the power interface 2. Power lead 7 is pluggable, and is not traditional PDU and shell 1 holistic design, can insert electric wire netting voltage signal, and can change alone when power lead 7 damages, need not to carry out whole change resources are saved.
In this embodiment, the metal electrode 4 and the socket inner core 3 are fixed by screws, and the metal electrode 4 and the socket inner core 3 fixed by screws are reinforced by soldering tin. The connection strength of the metal electrode 4 and the socket inner core 3 is increased, and the stability of the lightning protection PDU is guaranteed.
With reference to fig. 3, in this embodiment, the lightning protection PDU module 6 further includes an LCD display circuit 12, the LCD display circuit 12 is electrically connected to the micro-control MCU8, and the LCD display circuit 12 displays the PDU status through an integrated display screen. The control switch 5 is provided with a key control circuit 13, the key control circuit 13 is electrically connected with the micro control MCU8, and the key control circuit 13 is used for controlling the key of the control switch 5. Lightning protection PDU module 6 still includes power supply circuit 14 and memory circuit 15, power supply circuit 14 and memory circuit 15 all with little control MCU8 electricity is connected, and power supply circuit 14 is used for carrying out the power supply of lightning protection PDU module 6, and memory circuit 15 is integrated with EEPROM memory chip, and memory circuit 15 is used for lightning protection PDU module 6 information storage.
Specifically, the LCD display circuit 12 is a character-type liquid crystal display module widely used by using an LCD1602, and is formed by assembling a character-type Liquid Crystal Display (LCD), a control driving main circuit HD44780 and an expansion driving circuit HD44100 thereof, and a small amount of resistors, capacitor elements, structural members, and the like on a PCB.
Specifically, the EEPROM memory chip is a memory chip with no data loss (non-volatile) after power failure, and can be repeatedly erased and written, thereby solving the defect that the PROM chip can only be written once.
Specifically, referring to fig. 4, in the switching value monitoring circuit 9, a high level of "5V" is applied to a side of "1" of the optocouplers "U3 and U5", when a side of "2" of "U3 and U5" is communicated with "GND", current forms a trigger optocoupler, and a side of "4" of "U3 and U5" is connected with a pull-up resistor and a "3V" singlechip, so that the switching value is determined when the level of the side of "4" of the optocoupler is changed into a low level singlechip.
Specifically, referring to fig. 5, in the power supply voltage monitoring circuit 10, a voltage signal is first limited by a resistor R17 and a resistor R19, then is isolated by a hall voltage sensor CT2, and is then amplified and connected to the MCU8 through an operational amplifier U4.
Specifically, referring to fig. 6, in the bleeding frequency monitoring circuit 11, a large current flowing on the ground line is collected according to the electromagnetic induction principle, positive and negative signals are converted into positive signals through a rectifier bridge "U11", and then a high-speed optical coupler "U12" is triggered for monitoring.
Specifically, referring to fig. 7, in the lightning protection circuit 16, a semiconductor principle is utilized, piezoresistors are used as lightning protection elements to respectively protect a live wire and a zero wire, and a surge is discharged to a ground through a device; meanwhile, each path is provided with a thermal protector, and when the lightning protection device is overheated, a loop is cut off to avoid a fire disaster.
To sum up, the utility model is provided with a power interface 2, a socket inner core 3, a metal electrode 4, a control switch 5 and a lightning protection PDU module 6; the power interface 2 is provided with a power lead 7, and the power interface 2, the socket inner core 3, the control switch 5 and the lightning protection PDU module 6 are all fixed on the shell 1; socket inner core 3 and metal electrode 4 are connected, connect through lightning protection PDU module 6 electricity between metal electrode 4 and the control switch 5, control switch 5 and power source 2 electricity are connected, lightning protection PDU module 6 includes little control MCU8, switching value monitoring circuit 9, mains voltage monitoring circuit 10 and the number of times monitoring circuit 11 of bleeding all are connected with little control MCU8 electricity, switching value monitoring circuit 9 is used for monitoring control switch 5's switching value state, mains voltage monitoring circuit 10 is used for monitoring mains voltage, the number of times monitoring circuit 11 of bleeding is used for gathering the electric current that flows through on lightning protection circuit 16 ground wire and monitors in order to bleed the number of times, lightning protection circuit 16 is used for protecting the surge from the power lead invasion. The utility model discloses a lightning protection technology, lightning protection monitoring technology solve traditional PDU and easily receive the thunderbolt damage, and fault information acquires untimely scheduling problem, are difficult for receiving the thunderbolt to damage, can in time on-line monitoring, and power lead 7 damages and can change alone and need not whole change.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
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. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A lightning protection PDU with a pluggable power line comprises a shell (1), and is characterized by also comprising a power interface (2), a socket inner core (3), a metal electrode (4), a control switch (5) and a lightning protection PDU module (6); the power interface (2) is provided with a power lead (7), and the power interface (2), the socket inner core (3), the control switch (5) and the lightning protection PDU module (6) are all fixed on the shell (1);
socket inner core (3) with metal electrode (4) are connected, metal electrode (4) with pass through between control switch (5) lightning protection PDU module (6) electricity is connected, control switch (5) with power source (2) electricity is connected, lightning protection PDU module (6) include micro-control MCU (8), switching value monitoring circuit (9), mains voltage monitoring circuit (10) and the number of times of bleeding monitoring circuit (11) and lightning protection circuit (16), switching value monitoring circuit (9), mains voltage monitoring circuit (10) and the number of times of bleeding monitoring circuit (11) all with micro-control MCU (8) electricity is connected, and switching value monitoring circuit (9) are used for monitoring the switching value state of control switch (5), and mains voltage monitoring circuit (10) are used for monitoring mains voltage, and the number of bleeding monitoring circuit (11) are used for gathering the electric current that flows through on lightning protection circuit (16) ground wire in order to bleed Monitoring times; the lightning protection circuit (16) is used for protecting the surge invading from the power supply lead.
2. The lightning protection PDU of a pluggable power cord as claimed in claim 1, wherein the power interface (2) is a three-phase interface, the power lead (7) is a three-phase power cord, one end of the power lead (7) is connected to a power plug, and the other end of the power lead (7) is connected to a power connector, and the power connector is connected to the power interface (2).
3. The lightning protection PDU of a pluggable power cord according to claim 2, wherein the metal electrodes (4) comprise three metal electrodes, and the three metal electrodes (4) are respectively connected to three pins of the power interface (2).
4. The lightning protection PDU of a pluggable power cord according to claim 1, wherein the metal electrode (4) and the socket core (3) are fixed by screws, and the metal electrode (4) and the socket core (3) fixed by screws are reinforced by solder.
5. The lightning protection PDU of a pluggable power cord according to claim 1, wherein the lightning protection PDU module (6) further comprises an LCD display circuit (12), the LCD display circuit (12) is electrically connected to the micro control MCU (8), and the LCD display circuit (12) displays PDU status through an integrated display screen.
6. Lightning protection PDU according to claim 1, characterised in that said control switch (5) is provided with a key control circuit (13), said key control circuit (13) being electrically connected to said micro-control MCU (8), said key control circuit (13) being adapted for key control of the control switch (5).
7. The lightning protection PDU with a pluggable power cord according to claim 1, wherein the lightning protection PDU module (6) further comprises a power circuit (14) and a storage circuit (15), the power circuit (14) and the storage circuit (15) are both electrically connected to the micro-control MCU (8), the power circuit (14) is used for supplying power to the lightning protection PDU module (6), the storage circuit (15) is integrated with an EEPROM memory chip, and the storage circuit (15) is used for storing information of the lightning protection PDU module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220038218.6U CN216598279U (en) | 2022-01-09 | 2022-01-09 | Lightning protection PDU with pluggable power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220038218.6U CN216598279U (en) | 2022-01-09 | 2022-01-09 | Lightning protection PDU with pluggable power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216598279U true CN216598279U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220038218.6U Active CN216598279U (en) | 2022-01-09 | 2022-01-09 | Lightning protection PDU with pluggable power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216598279U (en) |
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2022
- 2022-01-09 CN CN202220038218.6U patent/CN216598279U/en active Active
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