CN202797953U - Power management unit (PMU) with lightning stroke number detection function - Google Patents
Power management unit (PMU) with lightning stroke number detection function Download PDFInfo
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- CN202797953U CN202797953U CN 201220495504 CN201220495504U CN202797953U CN 202797953 U CN202797953 U CN 202797953U CN 201220495504 CN201220495504 CN 201220495504 CN 201220495504 U CN201220495504 U CN 201220495504U CN 202797953 U CN202797953 U CN 202797953U
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- resistance
- lightning
- lightning strokes
- module
- piezo
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Abstract
The utility model discloses a PMU with a lightning stroke number detection function. The PMU comprises an input module, a control module and an output module which are connected sequentially. The PMU is characterized by further comprising a lightning protection circuit, a lightning stroke number detection unit, a micro controller unit (MCU) processing unit, a communication module and an alarm module, wherein the lightning protection circuit is connected with the input unit and the lightning stroke number detection unit respectively; the MCU processing unit is connected with the lightning stroke number detection unit, the control module, the communication module and the alarm module respectively; and the lightning stroke number detection unit comprises a fire line lightning stroke number detection circuit and a zero line lightning stroke number detection circuit which are connected in series. The PMU has the advantages that the lightning stroke number detection unit can record the lightning stroke number of the lightning protection circuit accurately in real time and remind staff members through the alarm module, the circuit is simple, the PMU is easy to implement, the detection accuracy rate is high, and the like.
Description
Technical field
The utility model relates to a kind of power distribution, management devices, specifically relates to a kind of Power Management Unit with the number of lightning strokes measuring ability.
Background technology
Development along with computer networking technology, the day by day increase of the key equipment demands such as server, switch, various electronics, the various device role is also just more and more crucial in the application, equipment requires also higher accordingly to residing environment (such as machine room, rack etc.), all facilities that participate in the key equipment operation must have high reliability and availability.For supply socket, be last one critical point of all devices electricity consumption, if it is stable not; and lack enough defencive functions; and might cause expensive device damage, even the whole system collapse, so power safety stability is one of powerful guarantee of equipment and operation system value.
Existing Power Management Unit only has the general utility functionss such as isolation, distribution, control ﹠ monitor usually, and without lightning protection measures or measuring ability, in real work, after often equipment suffers broken by lightning, can consider just whether the place that lightning protection measures or equipment are installed meets the requirement that equipment moves.
The utility model content
For above-mentioned deficiency of the prior art, the utility model provides the Power Management Unit with the number of lightning strokes measuring ability of a kind of effective detection number of lightning strokes, in time indication thunderbolt generation event.
In order to reach the foregoing invention purpose, the technical solution adopted in the utility model is for providing a kind of Power Management Unit with the number of lightning strokes measuring ability, it comprises input module, control module and the output module that connects successively, it is characterized in that: also comprise lightning protection circuit, number of lightning strokes detecting unit, MCU processing unit, communication module and alarm module, described lightning protection circuit is connected with the number of lightning strokes detecting unit with input unit respectively, and described MCU processing unit is connected with number of lightning strokes detecting unit, control module, communication module and alarm module respectively; Described number of lightning strokes detecting unit comprises live wire number of lightning strokes testing circuit and the zero line number of lightning strokes testing circuit that is connected in parallel.
Preferably, described live wire number of lightning strokes testing circuit is by sample resistance R
1, current-limiting resistance R
3, bidirectional transient voltage suppressor D
1With two-way optocoupler U
1Form described sample resistance R
1An end and current-limiting resistance R
3An end connect current-limiting resistance R
3The other end respectively with bidirectional transient voltage suppressor D
1With two-way optocoupler U
1An end connect described bidirectional transient voltage suppressor D
1The other end and two-way optocoupler U
1The other end connect;
Described zero line number of lightning strokes testing circuit is by sample resistance R
2, current-limiting resistance R
4, bidirectional transient voltage suppressor spare D
2With two-way optocoupler U
2Form described sample resistance R
2An end and current-limiting resistance R
4An end connect current-limiting resistance R
4The other end respectively with bidirectional transient voltage suppressor D
2With two-way optocoupler U
2An end connect described bidirectional transient voltage suppressor D
2The other end and two-way optocoupler U
2The other end connect.
Preferably, described lightning protection circuit is by Thermal Cutoffs F
1, Thermal Cutoffs F
2, Thermal Cutoffs F
3, piezo-resistance R
V1, piezo-resistance R
V2, piezo-resistance R
V3Form described Thermal Cutoffs F with gas discharge tube GDT
1, piezo-resistance R
V1The circuit that is composed in series successively and Thermal Cutoffs F
2, piezo-resistance R
V2, piezo-resistance R
V3, Thermal Cutoffs F
3The circuit that is composed in series successively is in parallel, described gas discharge tube GDT one end and piezo-resistance R
V2Connect, the other end is connected with zero line.
Preferably, described alarm module comprises indicator light and/or buzzer.
Preferably, described output module also comprises the remote alarm network interface.
In sum; the beneficial effect that the utility model can reach is: the number of lightning strokes detecting unit of Power Management Unit setting can be recorded lightning protection circuit in real time, exactly by the number of times in being struck by lightning; and remind administrative staff by alarm module, its also have circuit simple, be easy to realize and the Detection accuracy advantages of higher.
Description of drawings
Fig. 1 is the theory diagram with the Power Management Unit of number of lightning strokes measuring ability;
Fig. 2 is with the lightning protection circuit of the Power Management Unit of number of lightning strokes measuring ability and number of lightning strokes detecting unit connecting circuit figure.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As shown in Figure 1, Power Management Unit with the number of lightning strokes measuring ability, comprise the input module, control module and the output module that connect successively, it is characterized in that: also comprise lightning protection circuit, number of lightning strokes detecting unit, MCU processing unit, communication module and alarm module, described lightning protection circuit is connected with the number of lightning strokes detecting unit with input unit respectively, and described MCU processing unit is connected with number of lightning strokes detecting unit, control module, communication module and alarm module respectively; Described number of lightning strokes detecting unit comprises live wire number of lightning strokes testing circuit and the zero line number of lightning strokes testing circuit that is connected in parallel; Described alarm module comprises indicator light and/or buzzer; Described output module also comprises the remote alarm network interface.
As shown in Figure 2, described live wire number of lightning strokes testing circuit is by sample resistance R
1, current-limiting resistance R
3, bidirectional transient voltage suppressor D
1With two-way optocoupler U
1Form described sample resistance R
1An end and current-limiting resistance R
3An end connect current-limiting resistance R
3The other end respectively with bidirectional transient voltage suppressor D
1With two-way optocoupler U
1An end connect described bidirectional transient voltage suppressor D
1The other end and two-way optocoupler U
1The other end connect;
Described zero line number of lightning strokes testing circuit is by sample resistance R
2, current-limiting resistance R
4, bidirectional transient voltage suppressor spare D
2With two-way optocoupler U
2Form described sample resistance R
2An end and current-limiting resistance R
4An end connect current-limiting resistance R
4The other end respectively with bidirectional transient voltage suppressor D
2With two-way optocoupler U
2An end connect described bidirectional transient voltage suppressor D
2The other end and two-way optocoupler U
2The other end connect;
Described lightning protection circuit is by Thermal Cutoffs F
1, Thermal Cutoffs F
2, Thermal Cutoffs F
3, piezo-resistance R
V1, piezo-resistance R
V2, piezo-resistance R
V3Form described Thermal Cutoffs F with gas discharge tube GDT
1, piezo-resistance R
V1The circuit that is composed in series successively and Thermal Cutoffs F
2, piezo-resistance R
V2, piezo-resistance R
V3, Thermal Cutoffs F
3The circuit that is composed in series successively is in parallel, described gas discharge tube GDT one end and piezo-resistance R
V2Connect, the other end is connected with zero line;
Described number of lightning strokes testing circuit adopts two-way optocoupler U
1, two-way optocoupler U
2For satisfying: thunderbolt polarity for just, earth potential when negative and thunderbolt polarity be the detection of timing number of lightning strokes for negative, earth potential.
Wherein, current-limiting resistance R
3, current-limiting resistance R
4Guarantee two-way optocoupler U
1, two-way optocoupler U
2Be not subjected to the damage of lightning surge electric current; Bidirectional transient voltage suppressor D
1, bidirectional transient voltage suppressor D
2Guarantee two-way optocoupler U
1, two-way optocoupler U
2Be not subjected to the damage of lightning surge voltage.
As shown in Figure 2, the principle of explanation circuit working as an example of live wire L number of lightning strokes testing circuit example, when without thunderbolt, sample resistance R
1, sample resistance R
2Institute presents high impedance, two-way optocoupler U on the line
1Not conducting of interior light emitting diodes, two-way optocoupler U
1Inner phototriode is not worked two-way optocoupler U
1OUT-A end without high level output; When occurring the lightning surge electric current on the circuit, Low ESR that sample resistance presents on the line also has electric current to flow through, two-way optocoupler U
1The interior light emitting diodes conducting, two-way optocoupler U
1Inner phototriode work, two-way optocoupler U
1OUT-A end output high level, the MCU processing unit is according to current lightning surge and the number of lightning strokes of occurring of the electrical level judging of OUT-A, the MCU processing unit can be accumulated the number of lightning strokes of generation automatically simultaneously.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also carry out some improvement to the utility model, these improvement also fall in the protection range of the utility model claim.
Claims (5)
1. Power Management Unit with the number of lightning strokes measuring ability, comprise the input module, control module and the output module that connect successively, it is characterized in that: also comprise lightning protection circuit, number of lightning strokes detecting unit, MCU processing unit, communication module and alarm module, described lightning protection circuit is connected with the number of lightning strokes detecting unit with input unit respectively, and described MCU processing unit is connected with number of lightning strokes detecting unit, control module, communication module and alarm module respectively; Described number of lightning strokes detecting unit comprises live wire number of lightning strokes testing circuit and the zero line number of lightning strokes testing circuit that is connected in parallel.
2. the Power Management Unit with the number of lightning strokes measuring ability according to claim 1, it is characterized in that: described live wire number of lightning strokes testing circuit is by sample resistance R
1, current-limiting resistance R
3, bidirectional transient voltage suppressor D
1With two-way optocoupler U
1Form described sample resistance R
1An end and current-limiting resistance R
3An end connect current-limiting resistance R
3The other end respectively with bidirectional transient voltage suppressor D
1With two-way optocoupler U
1An end connect described bidirectional transient voltage suppressor D
1The other end and two-way optocoupler U
1The other end connect;
Described zero line number of lightning strokes testing circuit is by sample resistance R
2, current-limiting resistance R
4, bidirectional transient voltage suppressor spare D
2With two-way optocoupler U
2Form described sample resistance R
2An end and current-limiting resistance R
4An end connect current-limiting resistance R
4The other end respectively with bidirectional transient voltage suppressor D
2With two-way optocoupler U
2An end connect described bidirectional transient voltage suppressor D
2The other end and two-way optocoupler U
2The other end connect.
3. the Power Management Unit with the number of lightning strokes measuring ability according to claim 1, it is characterized in that: described lightning protection circuit is by Thermal Cutoffs F
1, Thermal Cutoffs F
2, Thermal Cutoffs F
3, piezo-resistance R
V1, piezo-resistance R
V2, piezo-resistance R
V3Form described Thermal Cutoffs F with gas discharge tube GDT
1, piezo-resistance R
V1The circuit that is composed in series successively and Thermal Cutoffs F
2, piezo-resistance R
V2, piezo-resistance R
V3, Thermal Cutoffs F
3The circuit that is composed in series successively is in parallel, described gas discharge tube GDT one end and piezo-resistance R
V2Connect, the other end is connected with zero line.
4. the Power Management Unit with the number of lightning strokes measuring ability according to claim 1, it is characterized in that: described alarm module comprises indicator light and/or buzzer.
5. the Power Management Unit with the lightning protection function of failure detection according to claim 1, it is characterized in that: described output module also comprises the remote alarm network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495504 CN202797953U (en) | 2012-09-26 | 2012-09-26 | Power management unit (PMU) with lightning stroke number detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495504 CN202797953U (en) | 2012-09-26 | 2012-09-26 | Power management unit (PMU) with lightning stroke number detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202797953U true CN202797953U (en) | 2013-03-13 |
Family
ID=47825129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220495504 Expired - Fee Related CN202797953U (en) | 2012-09-26 | 2012-09-26 | Power management unit (PMU) with lightning stroke number detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202797953U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655135A (en) * | 2016-11-17 | 2017-05-10 | 广西大学 | CAN bus lightning protection device capable of automatically detecting lightning stroke number |
| CN111487557A (en) * | 2020-03-26 | 2020-08-04 | 深圳市普威技术有限公司 | DS L circuit lightning stroke detection statistical circuit |
| FR3117602A1 (en) * | 2020-12-16 | 2022-06-17 | Lacroix Group | Electrical power supply module for public lighting installation, lamp post comprising such a power supply module and public lighting installation comprising at least one such lamp post. |
-
2012
- 2012-09-26 CN CN 201220495504 patent/CN202797953U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655135A (en) * | 2016-11-17 | 2017-05-10 | 广西大学 | CAN bus lightning protection device capable of automatically detecting lightning stroke number |
| CN111487557A (en) * | 2020-03-26 | 2020-08-04 | 深圳市普威技术有限公司 | DS L circuit lightning stroke detection statistical circuit |
| CN111487557B (en) * | 2020-03-26 | 2022-07-05 | 深圳市普威技术有限公司 | DSL circuit lightning stroke detection statistical circuit |
| FR3117602A1 (en) * | 2020-12-16 | 2022-06-17 | Lacroix Group | Electrical power supply module for public lighting installation, lamp post comprising such a power supply module and public lighting installation comprising at least one such lamp post. |
| EP4015901A1 (en) * | 2020-12-16 | 2022-06-22 | Lacroix Group | Power supply module for a public lighting installation, lamp comprising such a power supply module and public lighting installation comprising at least one such lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |