CN102468683A - Device for supplying power for electrical equipment in case of power failure - Google Patents
Device for supplying power for electrical equipment in case of power failure Download PDFInfo
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- CN102468683A CN102468683A CN2010105411990A CN201010541199A CN102468683A CN 102468683 A CN102468683 A CN 102468683A CN 2010105411990 A CN2010105411990 A CN 2010105411990A CN 201010541199 A CN201010541199 A CN 201010541199A CN 102468683 A CN102468683 A CN 102468683A
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Abstract
The invention discloses a device for supplying power for electrical equipment in case of power failure, which comprises at least one electric energy storage unit, a direct current (DC) to alternating current (AC) conversion circuit, a path switching unit and an electric power abnormity judgment unit, wherein the electric energy storage unit is used for supplying a battery power; the DC to AC conversion circuit is connected with the electric energy storage unit; the path switching unit is provided with a plurality of contacts which are respectively connected with a first AC power supply, the DC to AC conversion circuit and the electric energy storage unit; and the electric power abnormity judgment unit is used for judging whether the first AC power supply is normally supplied or not and generating a path switching control signal to control the action of the path switching unit. When the first AC power supply is normally supplied, the power source is supplied to the electrical equipment through the first AC power supply by the contacts controlled by the path switching unit. When the first AC power supply is abnormal in power supply, the electric power abnormity judgment unit is used for judging the abnormal power supply of the first AC power supply and generating the path switching control signal to control the action of the path switching unit, so that the electric energy storage unit is capable of supplying the battery power, the battery power is supplied to the DC to AC conversion circuit, and then a second AC power supply is generated by the DC to AC conversion circuit to be supplied to the electrical equipment.
Description
Technical field
The present invention system particularly can be supplied the control system of electric equipment required electric power about a kind of about a kind of power failure electric supply installation of electric equipment by battery supply when supply of electric power is unusual.
Background technology
Optical illumination is a human considerable invention, and inseparable, closely bound up with the mankind's daily life.Only, whether the regular supply of electric power has determined whether can normally produce the important key of optical illumination.
In existing technology, in order to want when optical illumination interrupts suddenly, still to keep basic optical illumination, so generally used the product of Emergency Light lamp.This type of Emergency Light lamp be built-in all generally battery or storage battery, with when having a power failure, the Emergency Light lamp is lighted provides illumination.This type of Emergency Light lamp generally all is to be installed in independently in emergency exit, doorway or the staircase.
Though these Emergency Light lamps are convenient; But keeping in repair in the future, very bothering when maintaining; Adding packed battery so there is the people to design in general indoor illumination light fitting, so that just in case when having a power failure, the function of Emergency Light can be provided to indoor illumination light fitting by battery supplied electric power.So can save the extra expense of purchasing many independent Emergency Light lamps is installation cost.
Summary of the invention
Though existing battery is combined in the indoor illumination light fitting in the product as Emergency Light; Really can reach the effect of expection, not be to use the person that the switch manual-lock is had a power failure actually or really be the situation that the supply of electric power of being supplied of supply of electric power company is interrupted but have intelligent distinguishing.
Edge this, a purpose of the present invention promptly provides a kind of power failure electric supply installation of electric equipment, but intelligent distinguishing is when supply of electric power is unusual, by the control system of battery supply supply electric equipment required electric power.This system comprises: one first AC power; At least one power storaging unit is in order to supply a battery supply; Flow to ac conversion circuit always, be connected in power storaging unit, in order to introduce battery supply, after conversion, export one second AC power by a power output end, direct current best friend stream translation circuit includes a battery supply input, is connected to power storaging unit; One path switch unit has: one first contact is connected to first AC power; One second contact is connected to the power output end of direct current best friend stream translation circuit; One the 3rd contact is connected in the battery supply input of power storaging unit and direct current best friend stream translation circuit; One electricity exception judgement unit is connected in the power storaging unit and first AC power, in order to differentiating the whether regular supply of first AC power, and produces the action of switch-over control signal control path, path switch unit; When the first power supply supply just often, the first contact conducting in the switch unit of path, second contact open circuit is so first AC power is supplied to electric equipment via first contact; When the first power supply supply is unusual, differentiates by the electricity exception judgement unit, and produce path switch-over control signal control path switch unit action; Make first contact open circuit in the switch unit of path, the second contact conducting, the 3rd contact conducting; Power storaging unit supply battery supply; Be supplied to direct current best friend stream translation circuit via the 3rd contact, produce second AC power by direct current best friend stream translation circuit again, be supplied to electric equipment via second contact.
The present invention is for reaching above-mentioned purpose; System supplies a battery supply with power storaging unit; Flow to ac conversion circuit always and be connected in this power storaging unit, a path switch unit has several contacts and is connected to one first AC power, direct current best friend stream translation circuit, power storaging unit respectively.One electricity exception judgement unit can be differentiated the whether regular supply of this first AC power, and produces the action of this path switch unit of path switch-over control signal control.When this first power supply supply just often, this path switch unit control contact by this first ac power supply to electric equipment.When the first power supply supply is unusual; Differentiate by this electricity exception judgement unit; And produce this path switch unit action of path switch-over control signal control; Make power storaging unit supply battery supply, be supplied to direct current best friend stream translation circuit, produce second AC power by this direct current best friend stream translation circuit again and be supplied to this electric equipment.
The effect aspect that the present invention can produce; But intelligent distinguishing is when supply of electric power is unusual; By the control system of battery supply supply electric equipment required electric power, and in supply of electric power just often, then the required electric power of electric equipment is by regular power-supply system power supply; And the user can open or close this electric equipment according to needing when the switch of this electric equipment of manual operation.So, can be so that for example the lighting supply of electric power of only being supplied in the supply of electric power company situation of interrupting just can provide the function of the illumination that has a power failure.
The specific embodiment that the present invention adopted will be further described by following embodiment and accompanying drawing.
Description of drawings
Fig. 1 shows the circuit diagram of a preferred embodiment of the present invention.
The main element symbol description:
The power failure electric supply installation of 1 electric equipment
10 electric equipments
11 direct current best friend stream translation circuit
111 battery supply inputs
112 power output ends
12 power storaging units
13 path switch units
131 first contacts
132 second contacts
133 common joints
134 the 3rd contacts
135 common joints
136 electric post coils
14 electricity exception judgement units
141 wireless transmitting unit
141a, 141b ac power input end
142 radio receiving units
The 142a control signal output ends
ACV1 first AC power
ACV2 second AC power
The DC+ battery supply
L1, L2 power line
S1 path switch-over control signal
The S2 wireless signal
Embodiment
See also Fig. 1; The power failure electric supply installation 1 of electric equipment of the present invention; The owner will include: flow to ac conversion circuit 11 (DC-to-AC Converter), at least one power storaging unit 12, a path switch unit 13, electricity exception judgement unit 14 always; Supply an electric equipment 10 required operating voltage by the present invention's electric supply installation 1 that has a power failure via power line L1, L2; And when the first AC power ACV1 unusual (power failure) that the electric power system that determines regular power supply is supplied, switch immediately by battery supply supply electric equipment 10 required electric powers.
Direct current best friend stream translation circuit 11 is to convert the direct voltage that power storaging unit 12 is supplied into alternating voltage.Direct current best friend stream translation circuit 11 has a battery supply input 111; Be connected to this power storaging unit 12; In order to introduce the battery supply DC+ that this power storaging unit 12 is supplied, battery supply DC+ can be by the power output end 112 outputs one second AC power ACV2 of direct current best friend stream translation circuit 11 after conversion.
Include one first contact 131 in the path switch unit 13, be connected to the first AC power ACV1.Second contact 132 of path switch unit 13 is connected to the power output end 112 of direct current best friend stream translation circuit 11.One of first contact 131 and second contact 132 switches the common contact 133 of switch conduction to by one, and common joint 133 is to be connected to electric equipment 10.One the 3rd contact 134 is connected in the battery supply input 111 of this power storaging unit 12 and this direct current best friend stream translation circuit 11.The 3rd contact 134 also can switch the common contact 135 of switch conduction to by one, and common joint 133 is to be connected to power storaging unit 12.
Conducting or not on-state that first contact 131, second contact 132 and common contact are 133 can be determined by the excitatory or loss of excitation of an electric post coil 136.And conducting or not on-state that the 3rd contact 134 and common contact are 135 also can be determined by the excitatory or loss of excitation of electric post coil 136.
Electricity exception judgement unit 14 is connected in this power storaging unit 12 and this first AC power ACV1; In order to differentiate whether regular supply of this first AC power ACV1; And the electric post coil 136 that produces this path switch unit of path switch-over control signal S1 control excitatory or loss of excitation whether, and then control conducting or not on-state and the 3rd contact 134 of first contact 131, second contact 132 and 135 of common contacts and the conducting or the not on-state of 135 of contacts jointly.
In the embodiments of the invention; Electricity exception judgement unit 14 comprises: a wireless transmitting unit 141; Have an ac power input end 141a, 141b, be connected to this first AC power ACV1, just often produce a wireless signal S2 in this first AC power ACV1 supply.One radio receiving unit 142 is connected in this power storaging unit 12, can receive the wireless signal S2 that this wireless transmitting unit 141 is produced, and this radio receiving unit 142 has a control signal output ends 142a.
When first AC power ACV1 supply just often, this wireless signal S2 that this radio receiving unit 142 normally receives is not so can produce path switch-over control signal S1.Can be supplied to this electric equipment 10 via this first contact 131 this moment by the first AC power ACV1.
And when abnormalities such as the first AC power ACV1 supply discontinuity, power failure; This wireless transmitting unit 141 can't produce this wireless signal S2; So this radio receiving unit 141 produces the electric post coil 136 of this path switch-over control signal S1 to this path switch unit 13; Make first contact, 131 open circuits in this path switch unit 13,132 conductings of second contact, 134 conductings of the 3rd contact; So the time power storaging unit 12 supply this battery supply DC+; Be supplied to the battery supply input 111 of this direct current best friend stream translation circuit 11 via the 3rd contact 134, again by this direct current best friend stream translation circuit 11 power output end 112 supply out the second AC power ACV2, be supplied to this electric equipment 10 via this second contact 132.
To sum up, the power failure electric supply installation of electric equipment of the present invention ties up to regular AC power supply just often, by this AC power normal power supply to electric equipment.And when this regular AC power supply outage, under the control of control circuit of the present invention, then can supply out second AC power immediately and be supplied to electric equipment 10.The present invention really can bring into play the function of have a power failure illumination or title Emergency Light if be applied in when throwing light on when electricity exception.
Above embodiment explanation is merely preferred embodiment explanation of the present invention, all habit in this operator when doing other all improvement and variation according to the above embodiment of the present invention explanation.Yet all improvement and variation that these are done according to the embodiment of the invention are in the claim that still belongs to claim of the present invention and defined.
Claims (6)
1. the power failure electric supply installation of an electric equipment, is characterized in that described electric power supply system comprises in order to supply an electric equipment required operating voltage:
One first AC power;
At least one power storaging unit is in order to supply a battery supply;
Flow to ac conversion circuit always; Be connected in described power storaging unit; In order to introduce described battery supply; After conversion, export one second AC power by a power output end, described direct current best friend stream translation circuit includes a battery supply input, is connected to described power storaging unit;
One path switch unit has:
One first contact is connected to described first AC power;
One second contact is connected to the power output end of described direct current best friend stream translation circuit;
One the 3rd contact is connected in the battery supply input of described power storaging unit and described direct current best friend stream translation circuit;
One electricity exception judgement unit is connected in described power storaging unit and described first AC power, in order to differentiating the whether regular supply of described first AC power, and produces the action that a path switch-over control signal is controlled described path switch unit;
When the described first power supply supply just often, the first contact conducting in the switch unit of described path, second contact open circuit is so described first AC power is supplied to described electric equipment via described first contact;
When the described first power supply supply is unusual; Differentiate by described electricity exception judgement unit, and produce a path switch-over control signal and control the switch unit action of described path, make first contact open circuit in the switch unit of described path; The second contact conducting; The 3rd contact conducting, described power storaging unit is supplied described battery supply, is supplied to described direct current best friend stream translation circuit via described the 3rd contact; Produce described second AC power by described direct current best friend stream translation circuit again, be supplied to described electric equipment via described second contact.
2. the power failure electric supply installation of electric equipment as claimed in claim 1 is characterized in that, described electricity exception judgement unit comprises:
One wireless transmitting unit has an ac power input end, is connected to described first AC power, just often produces a wireless signal in the described first AC power supply;
One radio receiving unit is connected in described power storaging unit, can receive the wireless signal that described wireless transmitting unit produces, and described radio receiving unit has a control signal output ends;
When described AC power supply just often, the described wireless signal that described radio receiving unit receives;
When described AC power supply is unusual; Described wireless transmitting unit can't produce described wireless signal; So described radio receiving unit produces described path switch-over control signal to described path switch unit; Make first contact open circuit in the switch unit of described path, the second contact conducting, the 3rd contact conducting.
3. the power failure electric supply installation of electric equipment as claimed in claim 1 is characterized in that, described power storaging unit is to include battery pack.
4. the power failure electric supply installation of electric equipment as claimed in claim 1; It is characterized in that; Include an electric post coil in the switch unit of described path; Excitatory and the loss of excitation of the described electric post of switch-over control signal may command, the path coil that described electricity exception judgement unit produces, and then control the conducting of described first contact, second contact, the 3rd contact or the state of not conducting.
5. the power failure electric supply installation of electric equipment as claimed in claim 1 is characterized in that, described electric equipment is to include a gaseous discharge lamp.
6. the power failure electric supply installation of electric equipment as claimed in claim 5 is characterized in that, described gaseous discharge lamp is to be xenon lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105411990A CN102468683A (en) | 2010-11-11 | 2010-11-11 | Device for supplying power for electrical equipment in case of power failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105411990A CN102468683A (en) | 2010-11-11 | 2010-11-11 | Device for supplying power for electrical equipment in case of power failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102468683A true CN102468683A (en) | 2012-05-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105411990A Pending CN102468683A (en) | 2010-11-11 | 2010-11-11 | Device for supplying power for electrical equipment in case of power failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102468683A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010022472A1 (en) * | 1999-09-30 | 2001-09-20 | George Codina | Method and apparatus for providing uninterrupted power during transitions between a power source and a standby generator using capacitor supplied voltage |
| CN201185027Y (en) * | 2008-04-17 | 2009-01-21 | 常光宇 | Antitheft alarm for automobile battery |
| CN101765959A (en) * | 2007-05-08 | 2010-06-30 | 美国电力转换有限公司 | Alternative-source energy management |
-
2010
- 2010-11-11 CN CN2010105411990A patent/CN102468683A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010022472A1 (en) * | 1999-09-30 | 2001-09-20 | George Codina | Method and apparatus for providing uninterrupted power during transitions between a power source and a standby generator using capacitor supplied voltage |
| CN101765959A (en) * | 2007-05-08 | 2010-06-30 | 美国电力转换有限公司 | Alternative-source energy management |
| CN201185027Y (en) * | 2008-04-17 | 2009-01-21 | 常光宇 | Antitheft alarm for automobile battery |
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| PB01 | Publication | ||
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120523 |