CN205335967U - Power environment centralized monitoring system's power supply unit - Google Patents
Power environment centralized monitoring system's power supply unit Download PDFInfo
- Publication number
- CN205335967U CN205335967U CN201521104472.8U CN201521104472U CN205335967U CN 205335967 U CN205335967 U CN 205335967U CN 201521104472 U CN201521104472 U CN 201521104472U CN 205335967 U CN205335967 U CN 205335967U
- Authority
- CN
- China
- Prior art keywords
- scr
- power supply
- controlled rectifier
- silicon controlled
- direct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model discloses a power environment centralized monitoring system's power supply unit, including a direct current switch power, the 2nd direct current switch power, switch and at least one consumer, switch includes a gthyristor, first electric signal collector, the 2nd gthyristor and second electricity signal collector, the output of a direct current switch power is connected to a gthyristor's input, and the input of an at least consumer is connected to a gthyristor's output, the output of the 2nd direct current switch power is connected to the 2nd gthyristor's input, and the input of an at least consumer is connected to the 2nd gthyristor's output, a first electric signal collector and a gthyristor are parallelly connected, and second electricity signal collector and the 2nd gthyristor are parallelly connected, the problem of prior art medium power environment centralized monitoring system easily cut off the power supply, have the potential safety hazard is solved.
Description
Technical field
This utility model relates to the communications field, particularly relates to the supply unit of a kind of Power Environment Centralized Control System。
Background technology
Fast development along with the communications industry, safeguard and management to strengthen communication equipment, Power Environment Centralized Control System (hereinafter referred to as power & environment supervision system) has been widely used for various communication network, is increasingly becoming the maintenance management means that the communications industry is new。Power & environment supervision system is to the equipment of various communications office sites (including communications equipment room, base station, suboffice, module office etc.) and working environment, play a game the communication power supply in station, accumulator battery, electromotor, the intelligence such as air-conditioning or the environment parameter such as unintelligent device and humiture, smog, Di Shui, gate inhibition, take remote measurement, remote signalling etc. gathers, the running status of real-time monitoring system and equipment, security, record and process related data, detect fault in time, and do the remote control of necessity, remote regulating operation, notify that personnel process in good time。
The equipment communication disruption of power & environment supervision system is directly connected to the safe running performance of power-equipment, it is possible to create serious safety problem, and monitors the main cause that system cut-off is communication disruption。
In prior art, power & environment supervision system often only arranges a set of direct-current switch power supply, as shown in Figure 1。The DC output end of this direct-current switch power supply, by an air switch, processes the electrical equipments such as main frame with switch, router, monitor in real time and is connected, for they power supplies。When this direct-current switch power supply breaks down, or because of other reason (such as power supply instability situations such as overloads), when making this air switch generation escape, Power Environment Centralized Control System meeting local interruption, even all interrupt, electrical equipment will at once power-off, lose treatment measures, produce potential safety hazard, even cause irremediable heavy losses。
Utility model content
This utility model embodiment provides the supply unit of a kind of Power Environment Centralized Control System, in order to solve the easy power-off of power & environment supervision system in prior art, the problem that there is potential safety hazard。
The supply unit of a kind of Power Environment Centralized Control System that this utility model embodiment provides, including the first direct-current switch power supply, the second direct-current switch power supply, on and off switch and at least one electrical equipment；
Described on and off switch includes the first silicon controlled rectifier (SCR), the first electrical signal collection device, the second silicon controlled rectifier (SCR) and the second electrical signal collection device；The input of described first silicon controlled rectifier (SCR) connects the outfan of described first direct-current switch power supply, and the outfan of described first silicon controlled rectifier (SCR) connects the input of at least one electrical equipment described；The input of described second silicon controlled rectifier (SCR) connects the outfan of described second direct-current switch power supply, and the outfan of described second silicon controlled rectifier (SCR) connects the input of at least one electrical equipment described；
Described first electrical signal collection device is in parallel with described first silicon controlled rectifier (SCR), and described second electrical signal collection device is in parallel with described second silicon controlled rectifier (SCR), and described first electrical signal collection device is connected with described second electrical signal collection device。
Optionally, described first silicon controlled rectifier (SCR) and described second silicon controlled rectifier (SCR) are one-way SCR commutator。
Optionally, also including manostat, the input of described manostat is connected with the outfan of the outfan of described first silicon controlled rectifier (SCR) and described second silicon controlled rectifier (SCR), and the outfan of described manostat is connected with the input of at least one electrical equipment described。
Optionally, described manostat is time lagged type ripple filter manostat。
Optionally, at least one electrical equipment described includes data acquisition unit, and the input of described data acquisition unit is connected with the outfan of described on and off switch。
Optionally, the input of described first direct-current switch power supply and the outfan of the first accumulator battery are connected, and the input of described second direct-current switch power supply and the outfan of the second accumulator battery are connected。
Optionally, the outfan of described first direct-current switch power supply is the first DC distribution frame, and the outfan of described second direct-current switch power supply is the second DC distribution frame。
This utility model above-described embodiment, in the supply unit of Power Environment Centralized Control System, it is provided with two set direct-current switch power supplies, and it is connected between direct-current switch power supply and electrical equipment with two silicon controlled rectifier (SCR)s, silicon controlled rectifier (SCR) has on-off action, it is possible to control disconnection and the conducting of two direct-current switch power supplies。Two electrical signal collection devices are connected respectively on two silicon controlled rectifier (SCR)s, wherein the first electrical signal collection device is in parallel with described first silicon controlled rectifier (SCR), second electrical signal collection device is in parallel with described second silicon controlled rectifier (SCR), can pass through to gather the voltage at silicon controlled rectifier (SCR) two ends, it is determined that whether two direct-current switch power supplies turn on。Available first direct-current switch power supply of electrical equipment is powered, when the first direct-current switch power supply generation power-off, the also power-off of first silicon controlled rectifier (SCR), after first electrical signal collection device collects the first silicon controlled rectifier (SCR) power-off, owing to the first electrical signal collection device and the second electrical signal collection device are connected, second electrical signal collection device sends signal to the second silicon controlled rectifier (SCR), second silicon controlled rectifier (SCR) is turned on, thus turning on the second direct-current switch power supply, namely it is powered to electrical equipment by the second direct-current switch power supply。Otherwise, if starting to be powered by the second direct-current switch power supply, then, after the second direct-current switch power supply power-off, can be powered by the first direct-current switch power supply。This utility model embodiment, power switching free of discontinuities is carried out by dual power supply, the continued power to Power Environment Centralized Control System can be ensured, it is prevented effectively from prior art because of the situation of single channel power failure or other former whole system power-off thus resulted in, solve the potential safety hazard of system electricity consumption, ensure the properly functioning of system。
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the supply unit connected mode of power & environment supervision system in prior art；
The supply unit schematic diagram of a kind of power & environment supervision system that Fig. 2 provides for this utility model embodiment；
The supply unit schematic diagram of the another kind of power & environment supervision system that Fig. 3 provides for this utility model embodiment；
The supply unit schematic diagram of another power & environment supervision system that Fig. 4 provides for this utility model embodiment；
The supply unit schematic diagram of another power & environment supervision system that Fig. 5 provides for this utility model embodiment。
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, this utility model is described in further detail, it is clear that described embodiment is only this utility model some embodiments, rather than whole embodiments。Based on the embodiment in this utility model, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
In prior art, power & environment supervision system generally only configures a set of direct-current switch power supply, the outfan of direct-current switch power supply is set to DC distribution frame (or case), the lead-out terminal of DC distribution frame passes through rack on and off switch, processes the electrical equipments such as main frame with switch, router, monitor in real time and is connected。Adopting an air switch in rack on and off switch, air switch can break down in power & environment supervision system power supply or disconnect when circuit overloads, thus cutting off the electricity supply。Now, whole power & environment supervision system all can power-off, have impact on the normal operation of whole system。
In order to solve the problems referred to above, this utility model embodiment provides the supply unit of a kind of power & environment supervision system, as in figure 2 it is shown, include first direct-current switch power supply the 11, second direct-current switch power supply 12, on and off switch 2 and at least one electrical equipment 3。This utility model embodiment is provided with the two set direct-current switch power supplies electric power system as power & environment supervision system, when a set of direct-current switch power supply breaks down and cannot power, another set of direct-current switch power supply inlet wire is switched to power, the continued power of power & environment supervision system can be ensured, it is to avoid because of the whole system powering-off state that single channel power failure or other reason cause。It should be noted that, first direct-current switch power supply 11 and the second direct-current switch power supply 12 are only for convenience of describing, regardless of primary and secondary and priority between two set direct-current switch power supplies, can be powered by the first direct-current switch power supply, if the first direct-current switch power supply is powered by the second direct-current switch power supply after breaking down again；Or powered by the second direct-current switch power supply, to be powered by the first direct-current switch power supply after the second direct-current switch power supply power-off, this utility model embodiment is without limitation。
On and off switch 2 can be rack on and off switch, including the first silicon controlled rectifier (SCR) the 21, second silicon controlled rectifier (SCR) the 22, first electrical signal collection device 23 and the second electrical signal collection device 24, as shown in Figure 3。The input of on and off switch 2 connects the outfan of direct-current switch power supply, and the outfan of on and off switch 2 connects the input of at least one electrical equipment 3。Namely the input of the first silicon controlled rectifier (SCR) 21 connects the outfan of the first direct-current switch power supply 11, and the outfan of the first silicon controlled rectifier (SCR) 21 connects the input of at least one electrical equipment 3 described；The input of the second silicon controlled rectifier (SCR) 22 connects the outfan of described second direct-current switch power supply 12, and the outfan of the second silicon controlled rectifier (SCR) 22 connects the input of at least one electrical equipment 3 described。
Optionally, the first silicon controlled rectifier (SCR) 21 and the second silicon controlled rectifier (SCR) 22 are one-way SCR commutator。One-way SCR commutator is a kind of controlled rectification electronic component, it is made up of three PN junctions, it is in the closed mode that impedance is significantly high within the specific limits, conducting can be become from shutoff under external control signal effect, needn't continue afterwards to keep trigger current can maintain admittance state, external signal cannot turn it off, it is possible to turns it off by reducing its both end voltage。This characteristic of one-way SCR commutator can be utilized, when the first direct-current switch power supply 11 disconnects, first silicon controlled rectifier (SCR) 21 also disconnects, give the second silicon controlled rectifier (SCR) 22 1 control signal, make the second silicon controlled rectifier (SCR) 22 turn on, the first direct-current switch power supply 11 power switching be that the second direct-current switch power supply 12 is powered；Otherwise, when the second direct-current switch power supply 12 disconnects, switch to the first direct-current switch power supply 11 to power。
Wherein, the control signal of switching is provided by the first electrical signal collection device 23 and the second electrical signal collection device 24。First electrical signal collection device 23 is in parallel with the first silicon controlled rectifier (SCR) 21, and the second electrical signal collection device 24 is in parallel with the second silicon controlled rectifier (SCR) 22。First electrical signal collection device 23 is for obtaining the voltage at the first silicon controlled rectifier (SCR) 21 two ends, and the second electrical signal collection device 24 is for obtaining the voltage at the second silicon controlled rectifier (SCR) 24 two ends。First electrical signal collection device 23 is connected with the second electrical signal collection device 24, it is possible to the first silicon controlled rectifier (SCR) and the second silicon controlled rectifier (SCR) are interlocked by signal, it is prevented that two-way direct-current switch power supply simultaneously turns on。
Such as, power & environment supervision system is powered by the first direct-current switch power supply 11, and the first silicon controlled rectifier (SCR) 21 turns on, and the first electrical signal collection device 23 is in high level, and the second silicon controlled rectifier (SCR) 22 disconnects, and the second electrical signal collection device 24 is in low level。When the first direct-current switch power supply 11 breaks down disconnection, first silicon controlled rectifier (SCR) 21 also disconnects, both end voltage reduces to 0, first electrical signal collection device 23 is transferred to low level by high level, due to signal interlocking between the first electrical signal collection device 23 and the second electrical signal collection device 24, then the second electrical signal collection device 24 is transferred to high level by low level, sends control signal to the second silicon controlled rectifier (SCR) 22, second silicon controlled rectifier (SCR) 22 is turned on, namely switches to the second direct-current switch power supply 12 to power。
Optionally, this utility model embodiment also includes manostat 4, and as shown in Figure 4, this manostat can be time lagged type filtering voltage stabilizer。The outfan of the input of manostat 4 and the outfan of the first silicon controlled rectifier (SCR) 21 and the second silicon controlled rectifier (SCR) 22 is connected, and the outfan of manostat 4 is connected with the input of at least one electrical equipment 3。The situation of the supply voltage instability that the reasons such as manostat can be prevented effectively from because being struck by lightning, short circuit cause; and add filtering defencive function; filter out or reduce the clutter (including high frequency or low frequency spur etc.) comprised in voltage as far as possible, exporting stable voltage。
Optionally, at least one electrical equipment 3 includes data acquisition unit, and the input of described data acquisition unit is connected with the outfan of described on and off switch 2, as shown in Figure 5。In prior art, power taking the equipment (such as router, switch) of data is monitored and gathered to data acquisition unit from it, increase along with collection capacity, its load enlarges markedly, easy power down, therefore, data acquisition unit is powered by direct-current switch power supply inlet wire, it is ensured that the persistence of its electricity consumption。
Optionally, the input of the first direct-current switch power supply 11 and the outfan of the first accumulator battery are connected, the input of the second direct-current switch power supply 12 and the outfan of the second accumulator battery are connected, and are direct-current switch power supply and arrange supporting accumulator battery, it is possible to the load of power supply is played the effect of voltage stabilizing。
Optionally, the outfan of the first direct-current switch power supply 11 is the first DC distribution frame, and the outfan of the second direct-current switch power supply 12 is the second DC distribution frame。
This utility model above-described embodiment, in the supply unit of Power Environment Centralized Control System, it is provided with two set direct-current switch power supplies, and it is connected between direct-current switch power supply and electrical equipment with two silicon controlled rectifier (SCR)s, silicon controlled rectifier (SCR) has on-off action, it is possible to control disconnection and the conducting of two direct-current switch power supplies。Two electrical signal collection devices are connected respectively on two silicon controlled rectifier (SCR)s, wherein the first electrical signal collection device is in parallel with described first silicon controlled rectifier (SCR), second electrical signal collection device is in parallel with described second silicon controlled rectifier (SCR), can pass through to gather the voltage at silicon controlled rectifier (SCR) two ends, it is determined that whether two direct-current switch power supplies turn on。Available first direct-current switch power supply of electrical equipment is powered, when the first direct-current switch power supply generation power-off, the also power-off of first silicon controlled rectifier (SCR), after first electrical signal collection device collects the first silicon controlled rectifier (SCR) power-off, owing to the first electrical signal collection device and the second electrical signal collection device are connected, second electrical signal collection device sends signal to the second silicon controlled rectifier (SCR), second silicon controlled rectifier (SCR) is turned on, thus turning on the second direct-current switch power supply, namely it is powered to electrical equipment by the second direct-current switch power supply。Otherwise, if starting to be powered by the second direct-current switch power supply, then, after the second direct-current switch power supply power-off, can be powered by the first direct-current switch power supply。This utility model embodiment, power switching free of discontinuities is carried out by dual power supply, the continued power to Power Environment Centralized Control System can be ensured, it is prevented effectively from prior art because of the situation of single channel power failure or other former whole system power-off thus resulted in, solve the potential safety hazard of system electricity consumption, ensure the properly functioning of system。
Although having been described for preferred embodiment of the present utility model, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment。So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of this utility model scope。
Obviously, this utility model can be carried out various change and modification without deviating from spirit and scope of the present utility model by those skilled in the art。So, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification。
Claims (7)
1. the supply unit of a Power Environment Centralized Control System, it is characterised in that include the first direct-current switch power supply, the second direct-current switch power supply, on and off switch and at least one electrical equipment；
Described on and off switch includes the first silicon controlled rectifier (SCR), the first electrical signal collection device, the second silicon controlled rectifier (SCR) and the second electrical signal collection device；
The input of described first silicon controlled rectifier (SCR) connects the outfan of described first direct-current switch power supply, and the outfan of described first silicon controlled rectifier (SCR) connects the input of at least one electrical equipment described；
The input of described second silicon controlled rectifier (SCR) connects the outfan of described second direct-current switch power supply, and the outfan of described second silicon controlled rectifier (SCR) connects the input of at least one electrical equipment described；
Described first electrical signal collection device is in parallel with described first silicon controlled rectifier (SCR), and described second electrical signal collection device is in parallel with described second silicon controlled rectifier (SCR), and described first electrical signal collection device is connected with described second electrical signal collection device。
2. supply unit as claimed in claim 1, it is characterised in that described first silicon controlled rectifier (SCR) and described second silicon controlled rectifier (SCR) are one-way SCR commutator。
3. supply unit as claimed in claim 1, it is characterized in that, also include manostat, the input of described manostat is connected with the outfan of the outfan of described first silicon controlled rectifier (SCR) and described second silicon controlled rectifier (SCR), and the outfan of described manostat is connected with the input of at least one electrical equipment described。
4. supply unit as claimed in claim 3, it is characterised in that described manostat is time lagged type filtering voltage stabilizer。
5. supply unit as claimed in claim 1, it is characterised in that at least one electrical equipment described includes data acquisition unit, and the input of described data acquisition unit is connected with the outfan of described on and off switch。
6. supply unit as claimed in claim 1, it is characterised in that the input of described first direct-current switch power supply and the outfan of the first accumulator battery are connected, the input of described second direct-current switch power supply and the outfan of the second accumulator battery are connected。
7. supply unit as claimed in claim 1, it is characterised in that the outfan of described first direct-current switch power supply is the first DC distribution frame, and the outfan of described second direct-current switch power supply is the second DC distribution frame。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104472.8U CN205335967U (en) | 2015-12-24 | 2015-12-24 | Power environment centralized monitoring system's power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104472.8U CN205335967U (en) | 2015-12-24 | 2015-12-24 | Power environment centralized monitoring system's power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205335967U true CN205335967U (en) | 2016-06-22 |
Family
ID=56313070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521104472.8U Active CN205335967U (en) | 2015-12-24 | 2015-12-24 | Power environment centralized monitoring system's power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205335967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549490A (en) * | 2017-01-19 | 2017-03-29 | 公牛集团有限公司 | A kind of intelligent distribution box electric power system and method |
-
2015
- 2015-12-24 CN CN201521104472.8U patent/CN205335967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549490A (en) * | 2017-01-19 | 2017-03-29 | 公牛集团有限公司 | A kind of intelligent distribution box electric power system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104184124B (en) | Dc circuit breaker and overload protection method that high frequency switch power supply system is used | |
| CN204144918U (en) | The DC circuit breaker that a kind of high frequency switch power supply system uses | |
| CN107390533A (en) | A kind of Monitor for electricity use, system and method | |
| CN204376460U (en) | A kind of long distance control system of BMS battery management system | |
| CN205335967U (en) | Power environment centralized monitoring system's power supply unit | |
| CN112583113A (en) | Intelligent power supply management system | |
| CN110888012A (en) | Lightning arrester monitoring system | |
| CN207410037U (en) | A kind of intelligent anti-over under-voltage protection circuit | |
| CN104993587A (en) | Intelligent transformer station comprehensive monitoring system and realization method thereof | |
| CN205039618U (en) | Join in marriage and become monitor terminal | |
| CN203871888U (en) | Communication electricity-using apparatus of transformer station integrated power supply | |
| CN210092885U (en) | Distribution transformer monitoring and metering terminal with reactive compensation control and monitoring functions | |
| CN204669079U (en) | A kind of safety control for resident's distribution | |
| CN103928964B (en) | Transformer station's integrated power supply communication power device | |
| CN205212550U (en) | Remote monitoring of transformer substation and control system | |
| CN205141668U (en) | Novel steady voltage distribution system | |
| CN105978157A (en) | Integrated switch cabinet monitoring terminal | |
| CN207490325U (en) | A kind of long-range power distribution cabinet of step down side | |
| CN206442114U (en) | Intelligent breaker | |
| CN205092446U (en) | Rural power grids intelligent power distribution cabinet | |
| CN204858516U (en) | Power chronogenesis ware with intelligence protect function | |
| CN211830339U (en) | Double UPS power supply system for power plant | |
| CN204304617U (en) | Power monitoring circuit protective device | |
| CN219697287U (en) | Anti-interference circuit realized by using time relay | |
| CN210866794U (en) | Remote intelligent control distribution box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |