CN2744039Y - Electricity saver for AC power supply system - Google Patents
Electricity saver for AC power supply system Download PDFInfo
- Publication number
- CN2744039Y CN2744039Y CN 200420092979 CN200420092979U CN2744039Y CN 2744039 Y CN2744039 Y CN 2744039Y CN 200420092979 CN200420092979 CN 200420092979 CN 200420092979 U CN200420092979 U CN 200420092979U CN 2744039 Y CN2744039 Y CN 2744039Y
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- Prior art keywords
- choke
- branch road
- power
- wrapped
- electricity
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- Expired - Fee Related
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- 230000005611 electricity Effects 0.000 title abstract description 7
- 239000003990 capacitor Substances 0.000 claims abstract description 48
- 238000004804 winding Methods 0.000 claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 239000003112 inhibitor Substances 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 abstract description 12
- 230000001629 suppression Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 230000007704 transition Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000251730 Chondrichthyes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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Abstract
The utility model relates to an electricity saver formed by the connection of a choke and a capacitor in series; the utility model is connected with the power supply system in parallel. One end of the coil of the choke is connected with the electric network to make the power network form a loop circuit via the coil; therefore the electric network is balanced, and the efficiency is increased. The capacitor and a transient suppressor (or variable resistor) are used for the suppression of the surge and the correction of the power factor.
Description
Technical field
The utility model is a kind of, and to be used for the electricity-saving appliance of ac power supply system relevant with the AC network power transmission and distribution, particularly relevant with the equipment that improves transmission of electricity quality, electrical energy saving.
Background technology
In electric power system, electrical surge often occurs.Lightning, generator switching, main power line short-circuit all can cause surge, are called as the outside surge that produces.The surge that doubles supply power voltage often occurs, and the surge voltage that supply power voltage is 50 times also once occurred.
Surge more common, more frequent appearance causes by inductive load, for example motor, transformer, contactor coil, fluorescent lamp ballast.This surge is called as the inner surge that produces.
In the literature, a variety of again common transient surge voltage inhibitor.United States Patent (USP) the 4th, 152,743; 4,259,705; 4,584,622; 4,587,588; 4,739,436; 4,760,485; 4,777,555; 4,802,055; 4,845,580; 4,866,560; 4,870,528; 4,870,534; And proposed multiple transient voltage for 4,901, No. 183 and suppress system, inhibitor and filter, be used for network distribution system.The circuit that proposes in these patents uses components and parts such as capacitor and variable resistor, comes filtering in conjunction with the choke that is series in the power circuit.Do not have in these patents to propose or advise between power line, or use inductance between power line and the center line.These patents do not propose the device of saves energy yet.
Any needs utilize the load of magnetic field work, and for example load of motor, transformer, fluorescent lamp ballast, solenoid and so on all can cause producing phase difference between voltage and the electric current.This phase difference has reduced the efficient of load, has increased energy consumption.
Phase angle between voltage and the electric current is exactly a power-factor angle.Because the electric current of inductive circuit lags behind voltage, therefore has the power-factor angle of hysteresis.Because the electric current of capacitive circuit is ahead of voltage, therefore has leading power-factor angle.If the phase angle between voltage and the electric current is 0, this moment, power factor was 1, the utilance maximum of power-supply system.
If there is certain equipment can eliminate the transition of AC power, surge, and the energy loss of minimizing inductive and capacity load, will be highly beneficial.If this device can improve the power factor of the one or more loads in the AC power, will be more favourable.The utility model provides such equipment.
The utility model content
The utility model solution is: a kind of electricity-saving appliance that is used for ac power supply system, it is characterized in that: this electricity-saving appliance includes choke, the electric capacity of mutual series connection, this choke and electric capacity are connected in parallel on the two ends of AC power, wherein, this choke includes coil, and the lead of this coil passes coil inside and constitutes loop.
This choke includes first choke, second choke, wherein:
This first choke and a capacitors in series constitute article one branch road, and second choke and another capacitors in series constitute the second branch road;
One end of this article one branch road is connected to article one power line of AC power, and the other end is connected to the mid point of power supply;
One end of this second branch road is connected to another power line of AC power, and the other end is connected to the mid point of power supply;
The coil of first choke is wrapped on the second branch road; The coil of second choke is wrapped on article one branch road.
This choke also includes the 3rd choke and the 4th choke, wherein:
The 3rd choke and a capacitors in series constitute the 3rd branch road, and the 4th choke and a capacitors in series constitute the 4th branch road; Article three, an end of branch road is connected to article one power line of AC power, and the other end is connected to the mid point of power supply; Article four, an end of branch road is connected to the second power line of AC power, and the other end is connected to the mid point of power supply; The coil of the 3rd choke is wrapped on the 4th branch road; The coil of the 4th choke is wrapped on the 3rd branch road.
This choke also includes the 5th choke and the 6th choke, wherein:
The 5th choke and a capacitors in series constitute the 5th branch road, and the 6th choke and a capacitors in series constitute the 6th branch road; Article five, an end of branch road is connected to article one power line of AC power, and the other end is connected to the mid point of power supply; Article six, an end of branch road is connected to the 3rd power line of AC power, and the other end is connected to the mid point of power supply; The coil of the 5th choke is wrapped on the 6th branch road; The coil of the 6th choke is wrapped on the 5th branch road.
The utility model provides a kind of electricity-saving appliance that is used for AC power, has illustrated the various ways of realization of this device, comprises being used for circuit structure single-phase, three-phase power supply system.In single-phase electricity-saving appliance form, article one branch road comprises a choke with capacitors in series, and the second branch road comprises the choke of another and capacitors in series.Article one, branch road connects article one power line and the power supply mid point of AC power, and the second branch road connects the second power line and the power supply mid point of AC power.First choke comprises a coil that is wrapped on the second branch road, and same, second choke comprises a coil that is wrapped on article one branch road.The part of first and second choke is wrapped in ferromagnetic iron in the heart.The first of first choke is wrapped on unshakable in one's determination and the second branch road, and second portion only is wrapped on the second branch road.The first of second choke is wrapped on unshakable in one's determination and article one branch road, and second portion only is wrapped on article one branch road.
Electricity-saving appliance also comprises and is connected in parallel on capacitor and transient suppressor between first, second power line.Transient suppressor also can be connected in parallel between first, second power line and the mid point.In addition, transient suppressor can also be connected between mid point and the ground wire.Capacitor and transient suppressor also can be connected in parallel between first, second branch road.
In three-phase electricity-saving device form, the three phase mains that is suitable for comprises first, second, third power line and mid point.First choke and a capacitors in series constitute article one branch road, are connected in parallel between article one power line and the mid point; Second choke and a capacitors in series constitute the second branch road, are connected in parallel between second power line and the mid point.First choke comprises a coil that is wrapped on the second branch road, and second choke comprises a coil that is wrapped on article one branch road.The 3rd choke and a capacitors in series constitute the 3rd branch road, are connected in parallel between the 3rd power line and the mid point; The 4th choke and a capacitors in series constitute the 4th branch road, are connected in parallel between second power line and the mid point.The 3rd choke comprises one and is wrapped in the 4th coil on the branch road, and the 4th choke comprises one and be wrapped in the 3rd coil on the branch road.The 5th choke and a capacitors in series constitute the 5th branch road, are connected in parallel between article one power line and the mid point; The 6th choke and a capacitors in series constitute the 6th branch road, are connected in parallel between the 3rd power line and the mid point.The 5th choke comprises one and is wrapped in the 6th coil on the branch road, and the 6th choke comprises one and be wrapped in the 5th coil on the branch road.
In three-phase electricity-saving device form, be connected in parallel on first, second power line in addition, second, third power line, and an electric capacity and a transient suppressor between first, the 3rd power line.Transient suppressor can also be connected between each power line and the mid point, and each power line is between the ground wire.
The electricity-saving appliance of phase structure can also be welded in the independent AC socket.In this structure, a choke and a capacitors in series are connected in the socket.The lead that twines choke passes choke self and constitutes loop.Other structures that comprise identical choke also have introduction.
Description of drawings
Fig. 1 is the schematic diagram of the two line phase structure electricity-saving appliances introduced in the utility model;
Fig. 2 is the schematic diagram of the three-phase structure electricity-saving appliance introduced in the utility model;
Fig. 3 is the schematic diagram of introducing in the utility model that can be installed in the phase structure electricity-saving appliance in the AC socket;
Fig. 4 is the schematic diagram of the another kind of phase structure electricity-saving appliance introduced in the utility model;
Fig. 5 be of the present utility model another be connected electricity-saving appliance structure principle chart between the AC power two-phase.
Embodiment
Fig. 1 is the single-phase electricity-saving appliance schematic diagrams of two lines in the utility model.For convenience of explanation, 220V power line L1, L2 represent with 12,14 respectively, and every power line and mid point constitute standard 110V power supply, and mid point is represented with 10.
Electricity-saving appliance in the utility model has transition and surge protection function, can also be energy-conservation.Various capacitors and transient suppressor have been realized transition and surge protection function.Capacitor 16 is connected between 12 and 14.Transient suppressor, for example metal oxide varistor (" MOV ") is installed in the difference in the circuit.MOV18 is installed between power line 12 and 14.MOV20 be installed in 12 and mid point between.MOV22 be installed in 14 and mid point between.MOV24 is installed between mid point and the ground.In addition, MOV56,58 is installed in respectively between power line 12,14 and the ground.
The electricity-saving appliance module can be installed on user's the power board, also can be connected in parallel near the power line of load.Usually, this electricity-saving appliance module can be used for commercial undertaking and residential block.For example, a module can be installed outside each fluorescent lamp terminal box of office building, or outside the terminal box of giving this kind equipment power supply separately, a module be installed.Element because do not need in the module to connect in the power line, so module can be directly connected on the tap on the power line, the line that do not need to cut off the electricity supply is installed.
In order to realize power saving function, a kind of inductance of uniqueness has been installed between AC power cord.This inductor comprises one or more coils, has lead to pass in the coil, has connected equipment and coil, constitutes the loop.
In single-phase electricity-saving appliance structure shown in Figure 1, article one branch road 36 comprises an inductance (choke), and this inductance is whole to be represented with 28.Inductance 28 is connected with electric capacity 38.One end of first branch road 36 is connected to power line 12, and the other end is connected to mid point 10.
Equally, second branch road 48 comprises another inductance (choke), and this inductance is whole to be represented with 30.Inductance 30 is connected with electric capacity 50.One end of second branch road 48 is connected to power line 14, and the other end is connected to mid point 10.
The choke 28 and 30 of structure uniqueness has the effect of saving electric energy, is specially adapted to industrial inductive load.This class load comprises heavy electric machinery and fluorescent lamp.Measure and show that power saving rate can reach 10%～25%. Choke 28 and 30 has improved power factor, thereby has played the economize on electricity effect.In addition, choke makes and has improved operational efficiency by the load balance between the power line 12,14, also played the economize on electricity effect.Other elements also have certain effect to economize on electricity.
Energy-conservation reason (being partly cause at least) is to be wrapped in the choke 28 winding on second branch road 48, and choke 30 is wrapped in the winding of first branch road 36.If do not use this " winding fully " technology, energy-saving effect will reduce.Also find in addition, unshakable in one's determination 26 for energy-conservation be unnecessary.Only be the power that complete winding technology just can reduce electric energy use, demand.Experimental results show that if choke only comprises a winding, constitute the loop as long as the choke lead passes the coil of winding self, also can be energy-conservation.Choke with 6 winding coils has maximum efficient, and when being lower than 6 circles, measurement result shows that energy-saving effect descends.
The version of three-phase electricity-saving device as shown in Figure 2.Equally, electricity-saving appliance can be installed on the input power board, also can be installed near the heavy load.Three-phase power line L1, L2, L3 represent that with 72,74,76 mid point is represented with 70 respectively.Electricity-saving appliance is connected on 72,74,76. MOV element 78,80,82 is connected between every power line and the mid point, plays the transition inhibitory action.MOV element 84,92,96 plays the transition inhibitory action between three-phase power line.MOV element 88,90,100 plays the transition inhibitory action between power line and ground.Capacitor 86,94,98 is connected between the three-phase power line, plays the effect of filtering and power factor correction.
Fig. 3 is the electricity-saving appliance structure that is used for single-phase 120V AC socket.Circuit shown in Figure 3 can be installed in the socket so that be reduced at installation in the residential block.This circuit is connected between 120V AC power cord 150 and the mid point 152.In choke 160, first's winding is wrapped on unshakable in one's determination 154.Unshakable in one's determination 154 have one section air gap 156, are used for preventing unshakable in one's determination saturated.In the various structure of mentioning in the utility model, the iron core of choke all has the air gap of this purposes.In addition, as mentioned above, iron core can omit fully, because use iron core only can improve filtering characteristic.
Choke 160 also comprises second winding 164, and this winding is connected with first winding 162.Coil 162,164 terminates in line 166, and this lead passes 162 and 164 and constitutes the loop, as shown in Figure 3.Lead 166 is connected coil 162,164 with capacitor 158.Choke 160 be connected between AC power cord 150 and the mid point 152 after capacitor 158 is connected.
The transient suppressor 170 of rheostat or other types can be connected between the AC power cord, as shown in the figure.Power line 150 and mid point 152 are received in the common AC socket 172.
Fig. 4 is the version of another electricity-saving appliance.Among the figure, choke 184 comprises three windings: 186,188 and 190.First winding 186 is wrapped in outside unshakable in one's determination 185.Second winding 188 connected with first winding 186, but 188 are not wrapped on the iron core.The 3rd winding 190 connected with second winding 188, is wrapped on unshakable in one's determination 185.Lead 192 extends out from the tertiary winding 190, passes first, second, third winding and constitutes loop.Capacitor 194 is connected on the lead 192, constitutes cascaded structure with choke 184.Choke 184 be connected between AC power cord 180 and the mid point 182 after capacitor 194 is connected.Capacitor 196 and surge suppressor 198 are also and link in the AC power.In addition, between mid point and ground, be connected surge suppressor 200.AC power cord inserts by common AC socket, as shown in Figure 4.
In version shown in Figure 5, used two chokes, represent with 214 and 230.Choke 214 comprises first's winding 216 and second portion winding 218, two windings in series.Choke 214 terminates in lead 220.Lead 220 passes the winding 232,234 of choke 230.220 are connected on the capacitor 224, choke 214 be connected between AC power cord 210 and 212 after capacitor 224 is connected.Equally, the lead 236 that extends out from choke 230 is connected on the capacitor 238 after passing choke 214.Choke 230 is connected with capacitor 238 in the incoming transport power supply of back.Capacitor 240 and surge suppressor 242 are also in parallel to be inserted in the power supply.Be connected to power line 1,2 and power line 2,3 with the identical circuit of version shown in Figure 5, and after between the power line 1,3, just can change into the version of three-phase.
The various capacitors of using in the utility model, preferably AC/DC power capacitor, for example the 97F GEM series of General Corporation's production.Capacitance size is more suitable in 10～25 microfarads.Choke can use directly fixing (Snap-on) iron core, and for example the goods number of Radio Shark company production is the iron core of 273-104.Coil uses the lead coiling of satisfying the load current size requirements to form.The winding of the number of turn all has energy-conserving action arbitrarily, but common 5 or 6 circles are suitable for choke each several part coil.Increase extra such choke, for example near different industrial loads or in the residential block, can increase energy-saving effect.
Meaningfully the electricity-saving appliance in the utility model not only can suppress surge and transition, also has tangible energy-conserving action.Although the utility model is described by several different versions, within the scope of claim, also have many in variant.
Claims (9)
1, a kind of electricity-saving appliance that is used for ac power supply system is characterized in that:
This electricity-saving appliance includes choke, the electric capacity of mutual series connection, and this choke and electric capacity are connected in parallel on the two ends of AC power, and wherein, this choke includes coil, and the lead of this coil passes coil inside and constitutes loop.
2, electricity-saving appliance as claimed in claim 1 is characterized in that: this choke includes first choke, second choke, wherein:
This first choke and a capacitors in series constitute article one branch road, and second choke and another capacitors in series constitute the second branch road;
One end of this article one branch road is connected to article one power line of AC power, and the other end is connected to the mid point of power supply;
One end of this second branch road is connected to another power line of AC power, and the other end is connected to the mid point of power supply;
The coil of first choke is wrapped on the second branch road; The coil of second choke is wrapped on article one branch road.
3, electricity-saving appliance as claimed in claim 2 is characterized in that: this choke also includes the 3rd choke and the 4th choke, wherein:
The 3rd choke and a capacitors in series constitute the 3rd branch road, and the 4th choke and a capacitors in series constitute the 4th branch road; Article three, an end of branch road is connected to article one power line of AC power, and the other end is connected to the mid point of power supply; Article four, an end of branch road is connected to the second power line of AC power, and the other end is connected to the mid point of power supply; The coil of the 3rd choke is wrapped on the 4th branch road; The coil of the 4th choke is wrapped on the 3rd branch road.
4, electricity-saving appliance as claimed in claim 3 is characterized in that: this choke also includes the 5th choke and the 6th choke, wherein:
The 5th choke and a capacitors in series constitute the 5th branch road, and the 6th choke and a capacitors in series constitute the 6th branch road; Article five, an end of branch road is connected to article one power line of AC power, and the other end is connected to the mid point of power supply; Article six, an end of branch road is connected to the 3rd power line of AC power, and the other end is connected to the mid point of power supply; The coil of the 5th choke is wrapped on the 6th branch road; The coil of the 6th choke is wrapped on the 5th branch road.
5, as described any electricity-saving appliance of claim 1 to 4, it is characterized in that: this electricity-saving appliance also includes iron core, is wound with the part winding of described choke coil on this iron core at least.
6, electricity-saving appliance as claimed in claim 5 is characterized in that: this iron core has air gap.
7, electricity-saving appliance as claimed in claim 2 is characterized in that: first choke includes the first that is wrapped on the iron core and is not wrapped in second portion on the iron core, and this second portion is wrapped on the second branch road;
Second choke also includes the first that is wrapped on the iron core and is not wrapped in second portion on the iron core, and this second portion is wrapped on article one branch road.
8, electricity-saving appliance as claimed in claim 2 is characterized in that: be parallel with capacitor between first and second power line.
9, electricity-saving appliance as claimed in claim 2 is characterized in that: between the described power line, and/or between power line and the ground wire, and/or between power line and the center line, and/or be parallel with the moment inhibitor between center line and the ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092979 CN2744039Y (en) | 2004-09-24 | 2004-09-24 | Electricity saver for AC power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092979 CN2744039Y (en) | 2004-09-24 | 2004-09-24 | Electricity saver for AC power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2744039Y true CN2744039Y (en) | 2005-11-30 |
Family
ID=35634055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420092979 Expired - Fee Related CN2744039Y (en) | 2004-09-24 | 2004-09-24 | Electricity saver for AC power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2744039Y (en) |
-
2004
- 2004-09-24 CN CN 200420092979 patent/CN2744039Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING LUZHI SCIENCE DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: MO ZHILU Effective date: 20080411 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080411 Address after: No. 915, block B, 27 international capital center, South Binhe Road, Beijing, Xuanwu District, China: 100055 Patentee after: Beijing Lu Chi Technology Development Co., Ltd. Address before: Beijing city Tongzhou District district town Huoxian Green Building No. 16, No. 342, zip code: 101109 Patentee before: Mo Zhilu |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 4, floor 410, building 100098, Catic building, building 64, West 56, Haidian District, Beijing, Zhichun Road Patentee after: Beijing Lu Chi Technology Development Co., Ltd. Address before: No. 915, block B, 27 international capital center, South Binhe Road, Beijing, Xuanwu District, China: 100055 Patentee before: Beijing Lu Chi Technology Development Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100098, room 4, building 410, Catic building, building 64, West 56, Haidian District, Beijing, Zhichun Road Patentee after: Beijing Logintel Science & Technology Development Co., Ltd. Address before: 100098, room 4, building 410, Catic building, building 64, West 56, Haidian District, Beijing, Zhichun Road Patentee before: Beijing Lu Chi Technology Development Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100036, Beijing, Haidian District Liulin village, Beijing the Great Wall energy-saving boiler factory 3 cottage 101 rooms Patentee after: Beijing Logintel Science & Technology Development Co., Ltd. Address before: 100098, room 4, building 410, Catic building, building 64, West 56, Haidian District, Beijing, Zhichun Road Patentee before: Beijing Logintel Science & Technology Development Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051130 Termination date: 20120924 |