CN104393662B - Power supply unit - Google Patents
Power supply unit Download PDFInfo
- Publication number
- CN104393662B CN104393662B CN201410674985.6A CN201410674985A CN104393662B CN 104393662 B CN104393662 B CN 104393662B CN 201410674985 A CN201410674985 A CN 201410674985A CN 104393662 B CN104393662 B CN 104393662B
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- Prior art keywords
- relay
- voltage
- outfan
- normally opened
- opened contact
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Classifications
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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, more particularly to a kind of electric supply installation.
Background technology
For the more efficient working condition for intuitively obtaining working site, for example, electricity consumption scene, it usually needs to work
Live field survey collection.It is many sometimes for the data class of measurement collection, including picture, real-time electricity consumption data etc., sometimes also
Need by long-range gathered data for sending working site etc..Therefore, different electric energy meters can be used in working site.But by
In the restriction of field condition, it is understood that there may be without enough power supplys, either power supply does not have electricity or supply voltage and the specified electricity of electric energy meter
Press unmatched situation；The output port of power source of the use electrical outlet and working site that also likely to be present electric energy meter is mismatched, and this will
Cause electric energy meter to use, also cannot just realize that field survey is gathered.For example, used and the unmatched power supply of rated voltage
Electric energy meter cisco unity malfunction may be caused, even electric energy meter is damaged when serious, cannot equally realize that field survey is gathered.
In order to facilitate normally using for working site electric energy meter, there is provided a kind of electric supply installation is those skilled in the art
Problem demanding prompt solution.
The content of the invention
It is an object of the invention to provide a kind of electric supply installation, for solve working site lack power supply and supply voltage with
The unmatched problem of electric energy meter rated voltage.
To solve above-mentioned technical problem, the present invention provides a kind of electric supply installation, including：
Energy-storage units, for storing electric energy；
The inverter being connected with the outfan of the energy-storage units first, for the voltage conversion for exporting the energy-storage units
For first voltage；
The first relay being connected with the first outfan of the inverter；
Wherein, the first outfan of the inverter is connected with the normally opened contact of first relay, for will be described
First voltage is exported to the normally opened contact of first relay；
The first transformator being connected with the second outfan of the inverter, for the first voltage to be converted to into second
Voltage；
The second relay being connected with the outfan of first transformator；
Wherein, the outfan of first transformator is connected with the normally opened contact of second relay, for will be described
Second voltage is exported to the normally opened contact of second relay；
The terminal base being all connected with the normally opened contact of first relay and the normally opened contact of second relay, uses
In providing socket for electric energy meter；
The power module being connected with the outfan of the energy-storage units second, for by the second outfan of the energy-storage units
The voltage conversion of output is driving voltage；
Wherein, the switch of the first relay is connected with the first outfan of the power module, in closed state,
Control the normally opened contact closure of first relay；The switch of the second relay connects with the first outfan of the power module
Connect, in closed state, controlling the normally opened contact closure of second relay.
Preferably, also include：
The second transformator being connected with the outfan of the inverter the 3rd, it is electric for the first voltage to be converted to into the 3rd
Pressure；
And the 3rd relay being connected with the outfan of second transformator；
Wherein, the outfan of second transformator is connected with the normally opened contact of the 3rd relay, for will be described
Tertiary voltage is exported to the normally opened contact of the 3rd relay；The normally opened contact of the 3rd relay connects with the terminal base
Connect；The switch of the 3rd relay is connected with the first outfan of the power module, in closed state, controlling institute
State the normally opened contact closure of the 3rd relay.
Preferably, the first voltage is converted to 57.7V by second transformator.
Preferably, the first voltage is converted to 110V by first transformator.
Preferably, also include：
The voltage comparator being connected with the second outfan of the power module, for relatively more described driving voltage and reference
Voltage；
And the display lamp being connected with the voltage comparator, the comparative result for working as the voltage comparator occurs different
Point out when often.
Preferably, the driving voltage is 5V.
Preferably, the energy-storage travelling wave tube is lead-acid battery.
Preferably, the parameter of the lead-acid battery is 12V/5Ah.
Preferably, the voltage conversion of 12V is 220V by the inverter.
Preferably, the inverter is AC inverter.
Electric supply installation provided by the present invention stores the electricity that electric energy and inverter export energy-storage units by energy-storage units
Pressure is converted to first voltage, and the electric energy meter for working site provides electric energy.In addition, the first transformator can also convert first voltage
For second voltage.First outfan of inverter is connected with the normally opened contact of the first relay, the outfan of the first transformator with
The normally opened contact connection of the second relay, when different magnitudes of voltage are needed, can pass through the first relay or the second relay
Switch selects different voltages.Therefore, solve the problems, such as that working site electric energy meter is difficult and running voltage may be selected.This
Invention, come control circuit, not only ensure that the safety of electricity consumption by relay, and cost-effective, the letter of control operation process
It is single, it is adaptable to which that working site uses.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention, the accompanying drawing to be used needed for embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
A kind of electric supply installation structure chart that Fig. 1 is provided for the present invention；
Another kind of electric supply installation structure chart that Fig. 2 is provided for the present invention；
Another kind of electric supply installation structure chart that Fig. 3 is provided for the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are not under the premise of creative work is made, and what is obtained is every other
Embodiment, belongs to the scope of the present invention.
The core of the present invention is to provide a kind of electric supply installation, for solve working site lack power supply and supply voltage with
The unmatched problem of electric energy meter rated voltage.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Embodiment one
A kind of electric supply installation structure chart that Fig. 1 is provided for the present invention.Electric supply installation includes：
Energy-storage units 10, for storing electric energy；
Energy-storage units 10 store electric energy by external power source, and the miscellaneous part for electric supply installation provides electric energy.
The inverter 11 being connected with the outfan of the energy-storage units 10 first, for the electricity for exporting the energy-storage units 10
Pressure is converted to first voltage；
Due to the output voltage of energy-storage units 10 it is generally less, it is impossible to meet the rated voltage of most electric energy meters, therefore need
Inverter 11 is wanted to change the voltage of the first outfan of energy-storage units 10.By the of inverter 11 and energy-storage units 10
One outfan connects, and the less voltage conversion that inverter 11 can just export energy-storage units 10 is first voltage, many to adapt to
The rated voltage of number electric energy meter.
The first relay 12 being connected with the first outfan of the inverter 11；
Wherein, the first outfan of the inverter 11 is connected with the normally opened contact of first relay 12, for inciting somebody to action
The first voltage is exported to the normally opened contact of first relay 12；
Through the conversion of inverter 11, the voltage of its first outfan is first voltage, meets the specified of most electric energy meters
Voltage, the first outfan of inverter 11 is connected by the normally opened contact with the first relay 12, just can be in the first relay
Normally opened contact connects in closed state terminal base, so as to provide electric energy for electric energy meter.
The first transformator 13 being connected with the second outfan of the inverter 11, for the first voltage to be converted to
Second voltage；
Fixed due to the voltage of the outfan of inverter 11, i.e. the first outfan of inverter 11 and the second outfan
Voltage is first voltage, in order to meet the rated voltage of more electric energy meters, using the first transformator 13 by first voltage
Be converted to second voltage.
The second relay 14 being connected with the outfan of first transformator 13；
Wherein, the outfan of first transformator 13 is connected with the normally opened contact of second relay 14, for inciting somebody to action
The second voltage is exported to the normally opened contact of second relay 14；
Through the conversion of the first transformator 13, the voltage of its outfan is second voltage, by with the second relay 14
Normally opened contact connects, and just can in closed state connect terminal base in the normally opened contact of the second relay 14, so as to for electric energy meter
Electric energy is provided.
The terminal being all connected with the normally opened contact of first relay 12 and the normally opened contact of second relay 14
Seat 15, for providing socket for electric energy meter；
Terminal base 15 is usual, and there is fixed contact pilotage and slip contact pilotage to constitute, wherein, fixed contact pilotage is can not sliding for fixation
It is dynamic, and slip contact pilotage can be slip, and by slip slip contact pilotage the position of slip contact pilotage and fixed contact pilotage is adjusted, to adapt to
The jack of the bottom of the ammeter of different size.When the first relay 12 being connected with terminal base 15 normally opened contact or second after
When the normally opened contact of electrical equipment 14 is closed, terminal base 15 has been switched on power supply, so as to provide electric energy for electric energy meter.
The power module 16 being connected with the outfan of the energy-storage units 10 second, for by the second of the energy-storage units 10
The voltage conversion of outfan output is driving voltage；
Wherein, the switch of the first relay 12 is connected with the first outfan of the power module 16, in closed form
Under state, the normally opened contact closure of first relay 12 is controlled；The switch of the second relay 14 and the power module 16
First outfan connects, in closed state, controlling the normally opened contact closure of second relay 14.
It is that the first relay 12 and the second relay 14 provide driving voltage that the effect of power module 16 is, is being embodied as
In, according to demand, select corresponding voltage.For example, when electric energy meter required voltage is first voltage, then closure first is selected
The switch of relay 12, when the switch of the first relay 12 is closed, the first relay 12 is under the driving of driving voltage, and its is normal
The closing of contact is opened, so as to the voltage at terminal base 15 is just first voltage.In the same manner, when electric energy meter required voltage is second voltage
When, then the switch of the second relay 14 of closure is selected, when the switch of the second relay 14 is closed, the second relay 14 is driving
Under the driving of voltage, its normally opened contact closure, so as to the voltage at terminal base 15 is just second voltage.
The electric supply installation that the present embodiment is provided, can according to the actual requirements select to close corresponding switch, so as to for terminal
Seat provides different voltages, the rated voltage different to adapt to electric energy meter.By the control of the first relay or the second relay
It is safer, and in a non-operative state, terminal base is not charged, saves energy.
It should be noted that the type of energy-storage travelling wave tube 10 is not specified by the present embodiment, as a kind of preferred embodiment party
Formula, the energy-storage travelling wave tube is lead-acid battery, and the parameter of the lead-acid battery is 12V/5Ah, and the inverter 11 is by the voltage of 12V
Be converted to 220V.
Additionally, the present embodiment is also not specified by the occurrence that first voltage is converted to the first transformator 13 second voltage,
Used as another preferred embodiment, the first voltage is converted to 110V by first transformator 13.
Embodiment two
Another kind of electric supply installation structure chart that Fig. 2 is provided for the present invention.On the basis of embodiment one, electric supply installation, also
Including：
The second transformator 20 being connected with the 3rd outfan of the inverter 11, for the first voltage to be converted to
Tertiary voltage；
And the 3rd relay 21 being connected with the outfan of second transformator 20；
Wherein, the outfan of second transformator 20 is connected with the normally opened contact of the 3rd relay 21, for inciting somebody to action
The tertiary voltage is exported to the normally opened contact of the 3rd relay 21；The normally opened contact of the 3rd relay 21 with it is described
Terminal base 15 connects；The switch of the 3rd relay 21 is connected with the first outfan of the power module 16, for closing
Under conjunction state, the normally opened contact closure of the 3rd relay 21 is controlled.
It is different in the rated voltage required for working site, different electric energy meters, therefore it is frequently necessary to various different electricity
Pressure, in order to meet the demand of different electric energy meters, the present embodiment is further added by the second transformator 20 on the basis of embodiment one so that
First voltage is converted to tertiary voltage by the second transformator 20.By the switch and the power module 16 of the 3rd relay 21
The mode of the first outfan connection, after the switch of the 3rd relay 21 is closed, driving of the 3rd relay 21 in driving voltage
Under, its normally opened contact closure.Because the outfan of second transformator 20 connects with the normally opened contact of the 3rd relay 21
Connect, and the normally opened contact of the 3rd relay 21 is connected with the terminal base 15, when the normally opened contact of the 3rd relay 21 is closed
After conjunction, the voltage at terminal base 15 is just tertiary voltage.
The present embodiment provides another kind of voltage, with suitable by increasing the second transformator and the 3rd relay for electric supply installation
Answer different electric energy meters.
As one kind preferred embodiment, the first voltage is converted to 57.7V by second transformator 20.
Embodiment three
Another kind of electric supply installation structure chart that Fig. 3 is provided for the present invention.Electric supply installation also includes：
The voltage comparator 30 being connected with the second outfan of the power module, for relatively more described driving voltage and ginseng
Examine voltage；
And the display lamp 31 being connected with the voltage comparator 30, for when the comparative result of the voltage comparator 30
Point out when occurring abnormal.
The energy storage of energy-storage units 10 is limited, in use, it is possible that output voltage has not been rated output
There is error, shadow in voltage, the driving voltage of the first voltage and the output of power module 16 that so result in the output of inverter 11
Ring the normal work of electric supply installation.Therefore, in order to the working condition for controlling electric supply installation in time, the of power module 16
Two outfans connect voltage comparator 30 and connect display lamp 31 in the voltage comparator 30, when the comparison of voltage comparator
When as a result occurring abnormal, display lamp 31 is suggested that.If it is indicated that if lamp 31 is pointed out, device of just stopping power supply work.Concrete
In enforcement, when display lamp 31 is pointed out, after device of stopping power supply, it should charge for energy-storage units 10.
In being embodied as, the model of voltage comparator can be selected according to driving voltage.As a kind of preferred enforcement
Mode, the driving voltage is 5V.
Above-described embodiment is not specified by the type of inverter, and used as a kind of preferred version, the inverter is inverse for exchange
Become device, but be not limited to this kind.In being embodied as, selected according to practical situation.
Electric supply installation provided by the present invention is described in detail above.Specific case used herein is to this
Bright principle and embodiment is set forth, the explanation of above example be only intended to help understand the method for the present invention and its
Core concept.It should be pointed out that for those skilled in the art, in the premise without departing from the principle of the invention
Under, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the protection of the claims in the present invention
In the range of.
Claims (10)
1. a kind of electric supply installation, it is characterised in that include：
Energy-storage units, for storing electric energy；
The inverter being connected with the outfan of the energy-storage units first, is for the voltage conversion that exports the energy-storage units
One voltage；
The first relay being connected with the first outfan of the inverter；
Wherein, the first outfan of the inverter is connected with the normally opened contact of first relay, for by described first
The normally opened contact of voltage output to first relay；
The first transformator being connected with the second outfan of the inverter, it is electric for the first voltage to be converted to into second
Pressure；
The second relay being connected with the outfan of first transformator；
Wherein, the outfan of first transformator is connected with the normally opened contact of second relay, for by described second
The normally opened contact of voltage output to second relay；
The terminal base being all connected with the normally opened contact of first relay and the normally opened contact of second relay, for for
Electric energy meter provides socket, and the terminal base has fixed contact pilotage and slip contact pilotage；
The power module being connected with the outfan of the energy-storage units second, for the second outfan of the energy-storage units to be exported
Voltage conversion be driving voltage；
Wherein, the switch of the first relay is connected with the first outfan of the power module, in closed state, controlling
The normally opened contact closure of first relay；The switch of the second relay is connected with the first outfan of the power module,
For in closed state, controlling the normally opened contact closure of second relay.
2. electric supply installation according to claim 1, it is characterised in that also include：
The second transformator being connected with the outfan of the inverter the 3rd, for the first voltage to be converted to into tertiary voltage；
And the 3rd relay being connected with the outfan of second transformator；
Wherein, the outfan of second transformator is connected with the normally opened contact of the 3rd relay, for by the described 3rd
The normally opened contact of voltage output to the 3rd relay；The normally opened contact of the 3rd relay is connected with the terminal base；
The switch of the 3rd relay is connected with the first outfan of the power module, in closed state, control to be described
The normally opened contact closure of the 3rd relay.
3. electric supply installation according to claim 2, it is characterised in that second transformator changes the first voltage
For 57.7V.
4. electric supply installation according to claim 1, it is characterised in that first transformator changes the first voltage
For 110V.
5. electric supply installation according to claim 1, it is characterised in that also include：
The voltage comparator being connected with the second outfan of the power module, for relatively more described driving voltage and with reference to electricity
Pressure；
And the display lamp being connected with the voltage comparator, for when the comparative result of the voltage comparator occurs abnormal
Prompting.
6. electric supply installation according to claim 5, it is characterised in that the driving voltage is 5V.
7. electric supply installation according to claim 1, it is characterised in that the energy-storage units are lead-acid battery.
8. electric supply installation according to claim 7, it is characterised in that the parameter of the lead-acid battery is 12V/5Ah.
9. electric supply installation according to claim 8, it is characterised in that the voltage conversion of 12V is 220V by the inverter.
10. the electric supply installation according to claim 1 to 9 any one, it is characterised in that the inverter is ac converter
Device.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104393662A CN104393662A (en) | 2015-03-04 |
| CN104393662B true CN104393662B (en) | 2017-04-26 |
Family
ID=52611516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410674985.6A Active CN104393662B (en) | 2014-11-21 | 2014-11-21 | Power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104393662B (en) |
Citations (2)
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101397026B1 (en) * | 2012-03-12 | 2014-05-20 | 삼성에스디아이 주식회사 | Battery system and energy storage system including same |
-
2014
- 2014-11-21 CN CN201410674985.6A patent/CN104393662B/en active Active
Patent Citations (2)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104393662A (en) | 2015-03-04 |
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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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