CN104393662A - Power supply unit - Google Patents
Power supply unit Download PDFInfo
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- CN104393662A CN104393662A CN201410674985.6A CN201410674985A CN104393662A CN 104393662 A CN104393662 A CN 104393662A CN 201410674985 A CN201410674985 A CN 201410674985A CN 104393662 A CN104393662 A CN 104393662A
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- Prior art keywords
- relay
- voltage
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- normally opened
- opened contact
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a power supply unit. The power supply unit comprises an energy storage unit, an inverter connected to the first output end of the energy storage unit; a first relay connected to the first output end of the inverter; a first transformer connected to the second output end of the inverter; a second relay connected to the output end of the first transformer; a terminal seat connected to the normally open contact of the first relay and the normally open contact of the second relay; a power supply module connected to the second output end of the energy storage unit; the switch of the first relay is connected to the first output end of the power supply module and used for controlling the normally open contact of the first relay for closing under the closed state; the switch of the second relay is connected to the first output end of the power supply module and used for controlling the normally open contact of the second relay for closing under the closed state. Therefore, the power using difficulty problem of the electric energy meter for the job site is solved and the work voltage is optional.
Description
Technical field
The present invention relates to technical field of electric power, particularly relate to a kind of electric supply installation.
Background technology
In order to more effectively obtain the working condition of working site intuitively, such as, electricity consumption is on-the-spot, usually needs working site field survey collection.Sometimes need to measure the data class gathered many, comprise picture, in real time electricity consumption data etc., sometimes also need the image data etc. by long-range transmission working site.Therefore, different electric energy meters can be used in working site.But due to the restriction of field condition, may exist and not have enough power supplys or power supply not to have electricity or supply voltage and the unmatched situation of electric energy meter rated voltage; The use electrical outlet that also may there is electric energy meter is not mated with the output port of power source of working site, and this will cause electric energy meter to use, and also just cannot realize field survey collection.Such as, employ the unmatched power supply with rated voltage and may cause electric energy meter cisco unity malfunction, even damage electric energy meter time serious, field survey collection cannot be realized equally.
In order to the normal use of working site electric energy meter can be facilitated, a kind of electric supply installation is provided to be those skilled in the art's problem demanding prompt solutions.
Summary of the invention
The object of this invention is to provide a kind of electric supply installation, lacking power supply and supply voltage and the unmatched problem of electric energy meter rated voltage for solving working site.
For solving the problems of the technologies described above, the invention provides a kind of electric supply installation, comprising:
Energy-storage units, for store electrical energy;
The inverter be connected with described energy-storage units first output, the voltage transitions for being exported by described energy-storage units is the first voltage;
The first relay be connected with the first output of described inverter;
Wherein, the first output of described inverter is connected with the normally opened contact of described first relay, for described first voltage being exported to the normally opened contact of described first relay;
The first transformer be connected with the second output of described inverter, for being the second voltage by described first voltage transitions;
The second relay be connected with the output of described first transformer;
Wherein, the output of described first transformer is connected with the normally opened contact of described second relay, for described second voltage being exported to the normally opened contact of described second relay;
The terminal base be all connected with the normally opened contact of described first relay and the normally opened contact of described second relay, for providing socket for electric energy meter;
The power module be connected with described energy-storage units second output is driving voltage for the voltage transitions exported by the second output of described energy-storage units;
Wherein, the switch of the first relay is connected with the first output of described power module, and in closed state, the normally opened contact controlling described first relay closes; The switch of the second relay is connected with the first output of described power module, and in closed state, the normally opened contact controlling described second relay closes.
Preferably, also comprise:
The second transformer be connected with described inverter the 3rd output, for being tertiary voltage by described first voltage transitions;
And the 3rd relay to be connected with the output of described second transformer;
Wherein, the output of described second transformer is connected with the normally opened contact of described 3rd relay, for described tertiary voltage being exported to the normally opened contact of described 3rd relay; The normally opened contact of described 3rd relay is connected with described terminal base; The described switch of the 3rd relay is connected with the first output of described power module, and in closed state, the normally opened contact controlling described 3rd relay closes.
Preferably, described first voltage transitions is 57.7V by described second transformer.
Preferably, described first voltage transitions is 110V by described first transformer.
Preferably, also comprise:
The voltage comparator be connected with the second output of described power module, for more described driving voltage and reference voltage;
And the indicator light to be connected with described voltage comparator, for the prompting when the comparative result of described voltage comparator occurs abnormal.
Preferably, described driving voltage is 5V.
Preferably, described energy-storage travelling wave tube is lead-acid battery.
Preferably, the parameter of described lead-acid battery is 12V/5Ah.
Preferably, the voltage transitions of 12V is 220V by described inverter.
Preferably, described inverter is AC inverter.
The voltage transitions that energy-storage units is exported by energy-storage units store electrical energy and inverter by electric supply installation provided by the present invention is the first voltage, for the electric energy meter of working site provides electric energy.In addition, the first photovoltaic conversion can also be the second voltage by the first transformer.First output of inverter is connected with the normally opened contact of the first relay, the output of the first transformer is connected with the normally opened contact of the second relay, when needing different magnitudes of voltage, different voltage selected by the switch by the first relay or the second relay.Therefore, the problem of working site electric energy meter difficulty is solved and operating voltage can be selected.The present invention carrys out control circuit by relay, not only ensure that the fail safe of electricity consumption, and cost-saving, and control operation process is simple, is applicable to working site and uses.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of electric supply installation structure chart provided by the invention;
Fig. 2 is another kind of electric supply installation structure chart provided by the invention;
Fig. 3 is another kind of electric supply installation structure chart provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, all belongs to scope.
Core of the present invention is to provide a kind of electric supply installation, lacks power supply and supply voltage and the unmatched problem of electric energy meter rated voltage for solving working site.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment one
Fig. 1 is a kind of electric supply installation structure chart provided by the invention.Electric supply installation comprises:
Energy-storage units 10, for store electrical energy;
Energy-storage units 10 passes through external power source storage of electrical energy, for the miscellaneous part of electric supply installation provides electric energy.
The inverter 11 be connected with described energy-storage units 10 first output, the voltage transitions for being exported by described energy-storage units 10 is the first voltage;
Because the output voltage of energy-storage units 10 is usually less, the rated voltage of most electric energy meter cannot be met, therefore need the voltage of the first output of inverter 11 pairs of energy-storage units 10 to change.Be connected with the first output of energy-storage units 10 by inverter 11, the less voltage transitions that energy-storage units 10 exports can be just the first voltage by inverter 11, to adapt to the rated voltage of most electric energy meter.
The first relay 12 be connected with the first output of described inverter 11;
Wherein, the first output of described inverter 11 is connected with the normally opened contact of described first relay 12, for described first voltage being exported to the normally opened contact of described first relay 12;
Through the conversion of inverter 11, the voltage of its first output is the first voltage, meet the rated voltage of most electric energy meter, first output of inverter 11 is by being connected with the normally opened contact of the first relay 12, just can connect terminal base in closed state at the normally opened contact of the first relay, thus provide electric energy for electric energy meter.
The first transformer 13 be connected with the second output of described inverter 11, for being the second voltage by described first voltage transitions;
Voltage due to the output of inverter 11 is fixed, namely the first output of inverter 11 and the voltage of the second output are the first voltage, in order to the rated voltage of more electric energy meters can be met, the first transformer 13 is adopted to be the second voltage by the first voltage transitions.
The second relay 14 be connected with the output of described first transformer 13;
Wherein, the output of described first transformer 13 is connected with the normally opened contact of described second relay 14, for described second voltage being exported to the normally opened contact of described second relay 14;
Through the conversion of the first transformer 13, the voltage of its output is the second voltage, by being connected with the normally opened contact of the second relay 14, just can connect terminal base in closed state at the normally opened contact of the second relay 14, thus provides electric energy for electric energy meter.
The terminal base 15 be all connected with the normally opened contact of described first relay 12 and the normally opened contact of described second relay 14, for providing socket for electric energy meter;
Terminal base 15 usually has fixing contact pilotage and slip contact pilotage is formed, wherein, fixing contact pilotage is fixing can not sliding, and the contact pilotage that slides can slide, the position of slip contact pilotage and fixing contact pilotage is regulated, to adapt to the jack of the bottom of the ammeter of different size by slip slip contact pilotage.When the normally opened contact of the first relay 12 be connected with terminal base 15 or the normally opened contact of the second relay 14 close, terminal base 15 has just connected power supply, thus provides electric energy for electric energy meter.
The power module 16 be connected with described energy-storage units 10 second output is driving voltage for the voltage transitions exported by the second output of described energy-storage units 10;
Wherein, the switch of the first relay 12 is connected with the first output of described power module 16, and in closed state, the normally opened contact controlling described first relay 12 closes; The switch of the second relay 14 is connected with the first output of described power module 16, and in closed state, the normally opened contact controlling described second relay 14 closes.
The effect of power module 16 is for the first relay 12 and the second relay 14 provide driving voltage, in concrete enforcement, according to demand, selects corresponding voltage.Such as, when electric energy meter required voltage is the first voltage, then select the switch of closed first relay 12, when the switch of the first relay 12 closes, first relay 12 is under the driving of driving voltage, and its normally opened contact closes, thus the voltage at terminal base 15 place is just the first voltage.In like manner, when electric energy meter required voltage is the second voltage, then select the switch of closed second relay 14, when the switch of the second relay 14 closes, second relay 14 is under the driving of driving voltage, and its normally opened contact closes, thus the voltage at terminal base 15 place is just the second voltage.
The electric supply installation that the present embodiment provides, can select closed corresponding switch according to the actual requirements, thus provides different voltage, to adapt to the different rated voltage of electric energy meter for terminal base.Safer by the control of the first relay or the second relay, and in a non-operative state, terminal base is not charged, saves energy.
It should be noted that, do not specify the type of energy-storage travelling wave tube 10 in the present embodiment, as one preferred embodiment, described energy-storage travelling wave tube is lead-acid battery, and the parameter of described lead-acid battery is 12V/5Ah, and the voltage transitions of 12V is 220V by described inverter 11.
In addition, the present embodiment does not specify that the first voltage transitions is the occurrence of the second voltage by the first transformer 13 yet, and as another preferred embodiment, described first voltage transitions is 110V by described first transformer 13.
Embodiment two
Fig. 2 is another kind of electric supply installation structure chart provided by the invention.On the basis of embodiment one, electric supply installation, also comprises:
The second transformer 20 be connected with the 3rd output of described inverter 11, for being tertiary voltage by described first voltage transitions;
And the 3rd relay 21 to be connected with the output of described second transformer 20;
Wherein, the output of described second transformer 20 is connected with the normally opened contact of described 3rd relay 21, for described tertiary voltage being exported to the normally opened contact of described 3rd relay 21; The normally opened contact of described 3rd relay 21 is connected with described terminal base 15; The switch of described 3rd relay 21 is connected with the first output of described power module 16, and in closed state, the normally opened contact controlling described 3rd relay 21 closes.
In working site, rated voltage required for different electric energy meters is different, therefore often multiple different voltage is needed, in order to the demand of satisfied different electric energy meter, the present embodiment increases by the second transformer 20 again on the basis of embodiment one, makes the second transformer 20 be tertiary voltage by the first voltage transitions.By the mode that the switch of the 3rd relay 21 is connected with the first output of described power module 16, after the switch of the 3rd relay 21 is closed, the 3rd relay 21 is under the driving of driving voltage, and its normally opened contact closes.Because the output of described second transformer 20 is connected with the normally opened contact of described 3rd relay 21, and the normally opened contact of described 3rd relay 21 is connected with described terminal base 15, after the normally opened contact of the 3rd relay 21 is closed, the voltage at terminal base 15 place is just tertiary voltage.
The present embodiment passes through increase by second transformer and the 3rd relay, for electric supply installation provides another kind of voltage, to adapt to different electric energy meters.
As one preferred embodiment, described first voltage transitions is 57.7V by described second transformer 20.
Embodiment three
Fig. 3 is another kind of electric supply installation structure chart provided by the invention.Electric supply installation also comprises:
The voltage comparator 30 be connected with the second output of described power module, for more described driving voltage and reference voltage;
And the indicator light 31 to be connected with described voltage comparator 30, for the prompting when the comparative result of described voltage comparator 30 occurs abnormal.
The energy storage of energy-storage units 10 is limited, in use, may occur that output voltage has not been rated output voltage, there is error in the driving voltage that the first voltage so just causing inverter 11 to export and power module 16 export, affects the normal work of electric supply installation.Therefore, in order to the working condition of electric supply installation can be controlled in time, connect voltage comparator 30 at the second output of power module 16 and connect indicator light 31 at described voltage comparator 30, when the comparative result of voltage comparator occurs abnormal, indicator light 31 is prompting just.If indicator light 31 is pointed out, device work of just stopping power supply.In concrete enforcement, when indicator light 31 is pointed out, after device of stopping power supply, should charge for energy-storage units 10.
In concrete enforcement, the model of voltage comparator can be selected according to driving voltage.As one preferred embodiment, described driving voltage is 5V.
Above-described embodiment does not all specify the type of inverter, and as a kind of preferred version, described inverter is AC inverter, but is not limited to this one.In concrete enforcement, select according to actual conditions.
Above electric supply installation provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection range of the claims in the present invention.
Claims (10)
1. an electric supply installation, is characterized in that, comprising:
Energy-storage units, for store electrical energy;
The inverter be connected with described energy-storage units first output, the voltage transitions for being exported by described energy-storage units is the first voltage;
The first relay be connected with the first output of described inverter;
Wherein, the first output of described inverter is connected with the normally opened contact of described first relay, for described first voltage being exported to the normally opened contact of described first relay;
The first transformer be connected with the second output of described inverter, for being the second voltage by described first voltage transitions;
The second relay be connected with the output of described first transformer;
Wherein, the output of described first transformer is connected with the normally opened contact of described second relay, for described second voltage being exported to the normally opened contact of described second relay;
The terminal base be all connected with the normally opened contact of described first relay and the normally opened contact of described second relay, for providing socket for electric energy meter;
The power module be connected with described energy-storage units second output is driving voltage for the voltage transitions exported by the second output of described energy-storage units;
Wherein, the switch of the first relay is connected with the first output of described power module, and in closed state, the normally opened contact controlling described first relay closes; The switch of the second relay is connected with the first output of described power module, and in closed state, the normally opened contact controlling described second relay closes.
2. electric supply installation according to claim 1, is characterized in that, also comprises:
The second transformer be connected with described inverter the 3rd output, for being tertiary voltage by described first voltage transitions;
And the 3rd relay to be connected with the output of described second transformer;
Wherein, the output of described second transformer is connected with the normally opened contact of described 3rd relay, for described tertiary voltage being exported to the normally opened contact of described 3rd relay; The normally opened contact of described 3rd relay is connected with described terminal base; The described switch of the 3rd relay is connected with the first output of described power module, and in closed state, the normally opened contact controlling described 3rd relay closes.
3. electric supply installation according to claim 2, is characterized in that, described first voltage transitions is 57.7V by described second transformer.
4. electric supply installation according to claim 1, is characterized in that, described first voltage transitions is 110V by described first transformer.
5. electric supply installation according to claim 1, is characterized in that, also comprises:
The voltage comparator be connected with the second output of described power module, for more described driving voltage and reference voltage;
And the indicator light to be connected with described voltage comparator, for the prompting when the comparative result of described voltage comparator occurs abnormal.
6. electric supply installation according to claim 5, is characterized in that, described driving voltage is 5V.
7. want the electric supply installation described in 1 according to right, it is characterized in that, described energy-storage travelling wave tube is lead-acid battery.
8. want the electric supply installation described in 7 according to right, it is characterized in that, the parameter of described lead-acid battery is 12V/5Ah.
9. electric supply installation according to claim 8, is characterized in that, the voltage transitions of 12V is 220V by described inverter.
10. the electric supply installation according to claim 1 to 9 any one, is characterized in that, described inverter is AC inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410674985.6A CN104393662B (en) | 2014-11-21 | 2014-11-21 | Power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410674985.6A CN104393662B (en) | 2014-11-21 | 2014-11-21 | Power supply unit |
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| Publication Number | Publication Date |
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| CN104393662A true CN104393662A (en) | 2015-03-04 |
| CN104393662B CN104393662B (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410674985.6A Active CN104393662B (en) | 2014-11-21 | 2014-11-21 | Power supply unit |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652012Y (en) * | 2003-10-23 | 2004-10-27 | 李全忠 | Back-up AC-DC power supply device |
| CN201479019U (en) * | 2009-08-24 | 2010-05-19 | 上海根兴电气成套有限公司 | Microcomputer controlled uninterrupted multi-output power cabinet |
| US20130234671A1 (en) * | 2012-03-12 | 2013-09-12 | Samsung Sdi Co., Ltd | Battery system and energy storage system including same |
-
2014
- 2014-11-21 CN CN201410674985.6A patent/CN104393662B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652012Y (en) * | 2003-10-23 | 2004-10-27 | 李全忠 | Back-up AC-DC power supply device |
| CN201479019U (en) * | 2009-08-24 | 2010-05-19 | 上海根兴电气成套有限公司 | Microcomputer controlled uninterrupted multi-output power cabinet |
| US20130234671A1 (en) * | 2012-03-12 | 2013-09-12 | Samsung Sdi Co., Ltd | Battery system and energy storage system including same |
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| Publication number | Publication date |
|---|---|
| CN104393662B (en) | 2017-04-26 |
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Address after: 610041 Sichuan city of Chengdu province Wuhou District Wuhou Park Zone Wu Xing Road No. 18 three Applicant after: CHENGDU BOOST INFORMATION TECHNOLOGY INC. Address before: 610041 Sichuan city of Chengdu province Wuhou District Wuhou Park Zone Wu Xing Road No. 18 three Applicant before: Chengdu Boost Technology Co., Ltd. |
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