CN203839945U - Energy-efficient power supply system - Google Patents

Energy-efficient power supply system Download PDF

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Publication number
CN203839945U
CN203839945U CN201420162129.8U CN201420162129U CN203839945U CN 203839945 U CN203839945 U CN 203839945U CN 201420162129 U CN201420162129 U CN 201420162129U CN 203839945 U CN203839945 U CN 203839945U
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China
Prior art keywords
switch
output
energy
controller
path
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Expired - Fee Related
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CN201420162129.8U
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Chinese (zh)
Inventor
王彧
陈伯华
陈思远
陈玲玉
邹琼
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SHANGHAI DINGXIN ELECTRIC (GROUP) CO Ltd
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SHANGHAI DINGXIN ELECTRIC (GROUP) CO Ltd
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Priority to CN201420162129.8U priority Critical patent/CN203839945U/en
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Abstract

The utility model discloses an energy-efficient power supply system. When a controller detects that normal power supply of a load is needed, the controller controls a generating set to run normally, and controls a first pathway to parallelly connect with a serially connected second pathway and a switch unit, so as to realize the normal power supply of the load. When the controller detects that the load current is lower than preset value for a certain period of time, the controller controls the generating set to run at a low speed, and the load is powered by serially on third pathway and the switch unit to realize the energy-efficient power supply. A single line is connected to the load after the first pathway is parallelly connected with the output terminal of the switch unit, and no two cables are needed to receive variable speed power. The energy-efficient power supply system solves the problem that two cables are needed in the prior art.

Description

A kind of energy-saving electric power system
Technical field
The utility model relates to technology of transmission of electricity field, relates in particular to a kind of energy-saving electric power system.
Background technology
At present domestic energy-saving electric power system mainly adopts after generating set generating through doubleway output system and provides speed change electric energy for user, this supply power mode needs user to access two-way cable and system is divided into two sections to use respectively two-way power supply, cause waste of material.
Utility model content
In view of this, the utility model provides a kind of energy-saving electric power system, needs user to access the problem of two-way cable to solve in prior art.
To achieve these goals, the existing scheme proposing is as follows:
A kind of energy-saving electric power system, output is connected with load, comprising:
Detect the controller of described load current; Described controller is connected with described load;
Carry out the generating set of variable-speed operation according to the control of described controller; Described generating set is connected with described controller;
According to the first path of the control conducting of described controller or shutoff; The input of described the first path is connected with described generating set output; The output of described the first path is connected with described load; The control end of described the first path is connected with described controller;
According to the control conducting of described controller or the alternate path of shutoff; The input of described alternate path is connected with described generating set output; The control end of described alternate path is connected with described controller;
The three-way of conducting in the time of described generating set low cruise; The input of described three-way is connected with described generating set output;
The switch element that the output of described alternate path or the output of three-way is connected according to the control of described controller with described load; The input of described switch element is connected with described alternate path output and three-way output respectively; The output of described switch element is connected with described load; The control end of described switch element is connected with described controller.
Preferably, described the first path is the first switch; The input of described the first switch is the input of described the first path, and the output of described the first switch is the output of described the first path; The control end of described the first switch is the control end of described the first path.
Preferably, described alternate path is second switch; The input of described second switch is the input of described alternate path, the output that the output of described second switch is described alternate path; The control end of described second switch is the control end of described alternate path.
Preferably, described three-way comprises:
Input is the 3rd switch of described three-way input;
The stabilized voltage power supply that input is connected with described the 3rd output switching terminal;
The 4th switch that input is connected with described output end of stabilized voltage supply; The output of described the 4th switch is the output of described three-way.
Preferably, described switch element comprises:
Two inputs are respectively as the solid-state switch of two inputs of described switch element; Two output parallel connections of described solid-state switch; The control end of described solid-state switch is connected with described controller;
The 5th switch that input is connected with described solid-state switch output; The output of described the 5th switch is the output of described switch element.
Preferably, described three-way is also connected with described controller.
Preferably, the control end of the control end of described the 3rd switch and the 4th switch is connected with described controller respectively.
Preferably, the control end of described the 5th switch is also connected with described controller.
Preferably, described generating set is diesel generating set or fuel gas generation unit.
Preferably, also comprise: the 6th switch being connected with described controller.
Can find out from above-mentioned technical scheme, the disclosed energy-saving electric power system of the utility model, control by controller to generating set, the first path, alternate path and switch element, described controller is detected when load needs normal power supply, controlling described generating set normally moves, and make described the first path and the described alternate path being connected in series and switch element conducting in parallel, be embodied as the normal power supply of described load; After controller detects that described load current is lower than preset value certain hour, control described generating set low cruise, and by described three-way and the described switch element of series connection conducting, be described load supplying, realize energy-saving function of supplying power; And single channel exports described load to after the output of described the first path and switch element is connected in parallel, access two cables without user, can receive speed change electric energy, solve and in prior art, needed user to access the problem of two-way cable.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the disclosed energy-saving electric power system circuit diagram of the utility model embodiment;
Fig. 2 is the disclosed energy-saving electric power system circuit diagram of another embodiment of the utility model;
Fig. 3 is the disclosed energy-saving electric power system circuit diagram of another embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of energy-saving electric power system, needs user to access the problem of two-way cable to solve in prior art.
Concrete, as shown in Figure 1, the output of energy-saving electric power system 100 is connected with load 200, it is characterized in that, comprising:
The controller 101 being connected with load 200;
The generating set 102 being connected with controller 101;
The first path 103 that input is connected with generating set 102 outputs; The output of the first path 103 is connected with load 200; The control end of the first path 103 is connected with controller 101;
The alternate path 104 that input is connected with generating set 102 outputs; The control end of alternate path 104 is connected with controller 101;
The three-way 105 that input is connected with generating set 102 outputs;
The switch element 106 that input is connected with alternate path 104 outputs and three-way 105 outputs respectively; The output of switch element 106 is connected with load 200; The control end of switch element 106 is connected with controller 101.
Concrete operation principle is:
Controller 101 detects the electric current of load 200, in the time judging that load 200 needs normal power supply, controls generating set 102 and normally moves, and normal power voltage is provided; This Time Controller 101 is also controlled the first path 103 and alternate path 104 conductings, and the current flowing between alternate path 104 and load 200 is realized in control switch unit 106, make the normal power voltage that generating set 102 provides pass through the first path 103, and the path of alternate path 104 after connecting with switch element 106, parallel connection exports load 200 to, for load 200 is powered.
After electric current that controller 101 detects load 200 is lower than preset value certain hour, control generating set 102 low cruises, the supply voltage under Energy-saving Situation is provided; This Time Controller 101 is also controlled the first path 103 and is turn-offed with alternate path 104, and the current flowing between three-way 105 and load 200 is realized in control switch unit 106, path after supply voltage under Energy-saving Situation that generating set 102 provides is connected with switch element 106 by three-way 105, export load 200 to, for load 200 is powered.
It is out of service that controller 101 can also be controlled generating set 102, controls the first path 103, alternate path 104 and switch element 106 simultaneously and all turn-off, and makes energy-saving electric power system 100 in stopped status.
The disclosed energy-saving electric power system 100 of the present embodiment, realizes speed change function of supplying power by said process; And after the first path 103 is connected in parallel with the output of switch element 106, single channel exports load 200 to, accesses two cables without user, can receive speed change electric energy, has solved and in prior art, has needed user to access the problem of two-way cable.
What deserves to be explained is, the disclosed energy-saving electric power system 100 of the present embodiment, the electric current of load 200 detected and then realize the control to generating set 102 by controller 101, can realize automatic energy saving to switch and no longer need manually to intervene, mode of operation is significantly simplified, improved operating personnel's operating efficiency.
Another embodiment of the utility model also provides another energy-saving electric power system, and as shown in Figure 2, the output of energy-saving electric power system 100 is connected with load 200, it is characterized in that, comprising:
The controller 101 being connected with load 200;
The generating set 102 being connected with controller 101;
The first path 103 that input is connected with generating set 102 outputs; The output of the first path 103 is connected with load 200; The control end of the first path 103 is connected with controller 101;
The alternate path 104 that input is connected with generating set 102 outputs; The control end of alternate path 104 is connected with controller 101;
The three-way 105 that input is connected with generating set 102 outputs;
The switch element 106 that input is connected with alternate path 104 outputs and three-way 105 outputs respectively; The output of switch element 106 is connected with load 200; The control end of switch element 106 is connected with controller 101.
Wherein, the first path 103 is the first K switch 1.
Preferably, alternate path 104 is second switch K2.
Preferably, three-way 105 comprises:
Input is the 3rd K switch 3 of three-way 105 inputs;
The stabilized voltage power supply W that input is connected with the 3rd K switch 3 outputs;
The 4th K switch 4 that input is connected with stabilized voltage power supply W output; The output of the 4th K switch 4 is the output of three-way 105.
Preferably, as shown in Figure 3, switch element 106 comprises:
Two inputs are respectively as the solid-state switch 107 of 106 two inputs of switch element; Two output parallel connections of solid-state switch 107; The control end of solid-state switch 107 is connected with controller 101;
The 5th K switch 5 that input is connected with solid-state switch 107 outputs; The output of the 5th K switch 5 is the output of switch element 106.
Concrete operation principle is:
Controller 101 detects the electric current of load 200, in the time judging that load 200 needs normal power supply, controls generating set 102 and normally moves, and normal power voltage is provided; This Time Controller 101 is also controlled the first K switch 1 and second switch K2 conducting, and control solid-state switch 107, solid-state switch 107 is switched to second switch K2 to be connected, and make the 5th K switch 5 conductings by manual control, to realize the current flowing between second switch K2 and load 200, make the normal power voltage that generating set 102 provides pass through the path at the first K switch 1 place, and path after second switch K2, solid-state switch 107 and the 5th K switch 5 series connection, parallel connection exports load 200 to, for load 200 is powered.
After electric current that controller 101 detects load 200 is lower than preset value certain hour, control generating set 102 low cruises, the supply voltage under Energy-saving Situation is provided; This Time Controller 101 is also controlled the first K switch 1 and is turn-offed with second switch K2, and control solid-state switch 107, solid-state switch 107 is switched to three-way 105 to be connected, the 3rd K switch 3, the 4th K switch 4 and the 5th K switch 5 realize conducting by manual mode simultaneously, final to realize the current flowing between three-way 105 and load 200, path after supply voltage under Energy-saving Situation that generating set 102 provides is connected with switch element 106 by three-way 105, export load 200 to, for load 200 is powered.
In prior art, also having a kind of mode that speed change electric energy is provided is the non-standard electric energy of output, this supply power mode is when generating set is on a large scale when speed change, it is unavailable that power quality will become, original standard power frequency supply even can become 200V25HZ from 400V50HZ, make power supply become completely unavailable, need user to increase expensive stabilized voltage power supply.
And the disclosed energy-saving electric power system 100 of the present embodiment, in the time of generating set 102 reduction of speed generating, supply voltage frequency inverted under the Energy-saving Situation that stabilized voltage power supply W in three-way 105 can provide generating set 102 is to export after standard power frequency, to adapt to user's use, while being generating set 102 reduction of speed output without user, configure in addition stabilized voltage power supply.
It is out of service that controller 101 can also be controlled generating set 102, controls the first K switch 1, second switch K2 and solid-state switch 107 simultaneously and all turn-off, and makes energy-saving electric power system 100 in stopped status.
The disclosed energy-saving electric power system 100 of the present embodiment, realizes speed change function of supplying power by said process; And after the first path 103 is connected in parallel with the output of switch element 106, single channel exports load 200 to, accesses two cables without user, can receive speed change electric energy, has solved and in prior art, has needed user to access the problem of two-way cable.
Prior art also exists mode by power-off Switching power to provide speed change electric energy for user, when this supply power mode is carried out speed change when generating set system, need to close generating set, and user side, by short time power-off, cannot be powered continuously.
And the disclosed energy-saving electric power system 100 of the present embodiment, because being about 5ms the switching time of solid switch 107, because there is not jumping phenomenon in the electric current and voltage in circuit, the power interruption recovering cycle of 5ms can proof load end voltage after power-off be fallen amplitude and is no more than equipment permissible value, simultaneously according to a large amount of practical proofs, can guarantee precision air conditioner the switching time of 5ms, PLC, all can power-off restarting without the computer system of UPS, think that when load 200 ends can ensure continued power, realizing speed change powers so can be similar to, realize the object that generating set 102 reduction of speed generating energies reduce discharging.
Remaining feature and concrete operation principle are same as the previously described embodiments in the present embodiment, repeat no more herein.
Preferably, described three-way is also connected with described controller.
Concrete, described the 3rd switch in described three-way and the control end of the 4th switch are connected with described controller respectively.
Preferably, described the 5th switch is also connected with described controller.
What deserves to be explained is, in concrete production link, described the 3rd switch, the 4th switch and the 5th switch can be the switches of realizing conducting by manual mode, also can be the electronic switch of controlling by described controller, do not limit about the specific implementation form of described the 3rd switch, the 4th switch and the 5th switch herein, can determine according to concrete production environment.
Remaining feature and concrete operation principle are same as the previously described embodiments in the present embodiment, repeat no more herein.
In addition, described generating set can adopt diesel generating set or fuel gas generation unit, or gasoline engine generator group also can, various internal combustion engines all can be used as power source drive alternator generation, do not limit herein, realized generating equipment General design.
Remaining feature and concrete operation principle are same as the previously described embodiments in the present embodiment, repeat no more herein.
Preferably, also comprise: the 6th switch being connected with described controller.
Realize the control of whether described energy-saving electric power system being enabled to power saving function by described the 6th switch, can reach by the object of authority classification control.
What deserves to be explained is; in concrete applied environment; except setting up the hardware protection switch being connected with described controller by above-mentioned; can also in described controller, password be set; make described energy-saving electric power system in the time of application; can select to enable power saving function or close power saving function by receiving corresponding cipher instruction, to reach by the object of authority classification control.The concrete control mode of whether enabling about power saving function, can be determined according to concrete actual conditions herein and be not specifically limited.
Remaining feature and concrete operation principle are same as the previously described embodiments in the present embodiment, repeat no more herein.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. an energy-saving electric power system, output is connected with load, it is characterized in that, comprising:
Detect the controller of described load current; Described controller is connected with described load;
Carry out the generating set of variable-speed operation according to the control of described controller; Described generating set is connected with described controller;
According to the first path of the control conducting of described controller or shutoff; The input of described the first path is connected with described generating set output; The output of described the first path is connected with described load; The control end of described the first path is connected with described controller;
According to the control conducting of described controller or the alternate path of shutoff; The input of described alternate path is connected with described generating set output; The control end of described alternate path is connected with described controller;
The three-way of conducting in the time of described generating set low cruise; The input of described three-way is connected with described generating set output;
The switch element that the output of described alternate path or the output of three-way is connected according to the control of described controller with described load; The input of described switch element is connected with described alternate path output and three-way output respectively; The output of described switch element is connected with described load; The control end of described switch element is connected with described controller.
2. energy-saving electric power system according to claim 1, is characterized in that, described the first path is the first switch; The input of described the first switch is the input of described the first path, and the output of described the first switch is the output of described the first path; The control end of described the first switch is the control end of described the first path.
3. energy-saving electric power system according to claim 1, is characterized in that, described alternate path is second switch; The input of described second switch is the input of described alternate path, the output that the output of described second switch is described alternate path; The control end of described second switch is the control end of described alternate path.
4. energy-saving electric power system according to claim 1, is characterized in that, described three-way comprises:
Input is the 3rd switch of described three-way input;
The stabilized voltage power supply that input is connected with described the 3rd output switching terminal;
The 4th switch that input is connected with described output end of stabilized voltage supply; The output of described the 4th switch is the output of described three-way.
5. energy-saving electric power system according to claim 1, is characterized in that, described switch element comprises:
Two inputs are respectively as the solid-state switch of two inputs of described switch element; Two output parallel connections of described solid-state switch; The control end of described solid-state switch is connected with described controller;
The 5th switch that input is connected with described solid-state switch output; The output of described the 5th switch is the output of described switch element.
6. energy-saving electric power system according to claim 4, is characterized in that, described three-way is also connected with described controller.
7. energy-saving electric power system according to claim 6, is characterized in that, the control end of the control end of described the 3rd switch and the 4th switch is connected with described controller respectively.
8. energy-saving electric power system according to claim 5, is characterized in that, the control end of described the 5th switch is also connected with described controller.
9. energy-saving electric power system according to claim 1, is characterized in that, described generating set is diesel generating set or fuel gas generation unit.
10. energy-saving electric power system according to claim 1, is characterized in that, also comprises: the 6th switch being connected with described controller.
CN201420162129.8U 2014-04-02 2014-04-02 Energy-efficient power supply system Expired - Fee Related CN203839945U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108429336A (en) * 2018-04-02 2018-08-21 郑州云海信息技术有限公司 A kind of data center and its method of supplying power to

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108429336A (en) * 2018-04-02 2018-08-21 郑州云海信息技术有限公司 A kind of data center and its method of supplying power to

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140917

Termination date: 20150402

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