CN2657259Y - Electricity-saving device - Google Patents
Electricity-saving device Download PDFInfo
- Publication number
- CN2657259Y CN2657259Y CN 200320116133 CN200320116133U CN2657259Y CN 2657259 Y CN2657259 Y CN 2657259Y CN 200320116133 CN200320116133 CN 200320116133 CN 200320116133 U CN200320116133 U CN 200320116133U CN 2657259 Y CN2657259 Y CN 2657259Y
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- CN
- China
- Prior art keywords
- choke
- resistance
- big
- path
- filter capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
An electricity economizer is three-phrase or single phrase. As the adoption of a choke of special wiring method, a filter capacitor serial circuit and a voltage dependent resistance, reactive power compensation can be carried on to the power input circuit so as to improve the operation efficiency, and transient oscillatory surge can also be restrained, furthermore, the economizer has filter function and no resonance, and is provided with remarkable energy saving function.
Description
Technical field
The utility model relates to a kind of electric power saving device, belongs to the low-voltage electrical apparatus category.
Background technology
At present, in the electric power system low voltage network, because a large amount of inductive load equipment arranged, for example motor, transformer, relay coil and fluorescent lamp ballast etc. cause that the line power factor is low, the using electricity system power consumption increases, and frequently produce transient oscillation and impact.In the prior art, many automatic tracking types or fixed reactive power compensator are arranged, but the difficult people's will to the greatest extent of preceding a kind of cost height and reliability, then a kind ofly might produce resonance, and reactive power compensator does not all have the function of transient suppression oscillatory surge.
Summary of the invention
The purpose of this utility model provides a kind of system transient state of suppressing and impacts, does not have resonance, has the reactive compensation type electricity-saving appliance of filter function, and this electricity-saving appliance can reduce the user power utilization total amount.
Concrete scheme of the present utility model is: a kind of electricity-saving appliance, constitute by three identical circuit units 1, each circuit unit 1 is connected between the two-phase, this circuit unit 1 is made up of building-out capacitor C1, piezo-resistance R1, discharge resistance R2, two filter capacitor C2 and C3, two big choke L1 and L3, two little choke L2 and L4, high frequency magnetic core T, resistance R 3 and indicator light HL1, it is characterized in that: filter capacitor C2 and little choke L2 and big chokes L1 are composed in series first path, and big choke L3 and little choke L4 and filter capacitor C3 are composed in series alternate path; High frequency magnetic core T has two openings; Big choke L1 on first path is on high-frequency core T and alternate path, and little choke L2 is only on alternate path; Big choke L3 on the alternate path is on the high-frequency core T and first path, and little choke L4 instrument is on first path; First path and alternate path are connected in parallel on respectively between two phase lines; Building-out capacitor C1, piezo-resistance R1 and discharge resistance R2 are connected in parallel on respectively between the two-phase, resistance R 3 be connected in parallel on again on the filter capacitor C2 after indicator light HL1 connects.
Another program of the present utility model is: a kind of electricity-saving appliance, it is single-phase electricity-saving appliance, constitute by a circuit unit, this circuit unit is by building-out capacitor C1, piezo-resistance R1, discharge resistance R2, filter capacitor C2, big choke L1, little choke L2, high frequency magnetic core T, resistance R 3 and indicator light HL1 form, it is characterized in that: filter capacitor C2 and little choke L2 and big chokes L1 are composed in series path and are connected in parallel between phase line and the zero line, wherein, big choke L1 is on high-frequency core T, big choke L1 and lead after little choke L2 connects around high frequency magnetic core T and pass big choke L1 and little choke L2 after, connect with filter capacitor C2 again; High frequency magnetic core T has two openings; Building-out capacitor C1, piezo-resistance R1 and discharge resistance R2 are connected in parallel on respectively between phase line and the zero line, resistance R 3 be connected in parallel on again on the filter capacitor C2 after indicator light HL1 connects.
The electricity-saving appliance that the utility model provides is owing to adopted choke and the filter capacitor series circuit and the piezo-resistance of special winding, not only can carry out reactive power compensation to improve operational efficiency to transmission line, can also suppress the system transients oscillatory surge effectively and have filter function, no resonance, can reduce the user power utilization total amount, the considerable energy saving effect is arranged.
Description of drawings
Fig. 1 is a three-phase circuit schematic diagram of the present utility model.
Fig. 2 is a single phase circuit schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further details.
In Fig. 1, the utility model is connected in parallel in the 380V system, preferably be connected to user load near, building-out capacitor C1 is connected in parallel on and is used for carrying out reactive power compensation between the two-phase in the utility model, and transient oscillation and surge protection are then provided by filtering capacitor C2, C3, choke L1, L2, L3, L4 and piezo-resistance R1; Filter capacitor C2 and little choke L2 and big choke L1 are composed in series first path and are connected in parallel between the two-phase, and big choke L3 and little choke L4 and filter capacitor C3 are composed in series alternate path and are connected in parallel between the two-phase; High frequency magnetic core T is the anti-upward magnetic saturation of two openings; Big choke L1 on first path is on high-frequency core T and alternate path, and little choke L2 is only on alternate path; Big choke L3 on the alternate path is on the high-frequency core T and first path, and little choke L4 instrument is on first path; The choke of this special winding makes lead form feedback loop by coil, and can improve power factor can be more energy-conservation, simultaneously, and also can balanced loaded voltage between phases, and can realize not having resonance, improve operation validity; Particularly only this additional winding of little choke on another path can further reduce power consumption, and simultaneously, the electric capacity on these two paths and connecting of perceptual choke also have the effect of filtering.Be parallel with resistance R 3 and indicator light HL1 series circuit on the filter capacitor C2, be used for showing whether capacitor C2 moves normally.
Fig. 2 is a single-phase electricity-saving appliance of the present utility model, so because be single-phasely only to need circuit units, and the path that only is composed in series with a filter capacitor C2 and little choke L2 and big chokes L1 is used for the transient suppression oscillatory surge.Employed various capacitors mostly are the alternating electromotive force capacitor in the utility model, and its value is preferably in 10～35 microfarads.Big choke can be tightly on ferromagnetic core, and coil-winding can be used the specification that is fit to load current.Each coiler part is no matter there are several circles can be energy-conservation, and coil turn is determined by the coupling of its inductance value and filter capacitor.This electricity-saving appliance can be used for commerce or residential area in a large number.
Claims (2)
1, a kind of electricity-saving appliance, constitute by three identical circuit units (1), each circuit unit (1) is connected between the two-phase, this circuit unit (1) is made up of building-out capacitor C1, piezo-resistance R1, discharge resistance R2, two filter capacitor C2 and C3, two big choke L1 and L3, two little choke L2 and L4, high frequency magnetic core T, resistance R 3 and indicator light HL1, it is characterized in that: filter capacitor C2 and little choke L2 and big chokes L1 are composed in series first path, and big choke L3 and little choke L4 and filter capacitor C3 are composed in series alternate path; High frequency magnetic core T has two openings; Big choke L1 on first path is on high-frequency core T and alternate path, and little choke L2 is only on alternate path; Big choke L3 on the alternate path is on the high-frequency core T and first path, and little choke L4 is only on first path; First path and alternate path are connected in parallel on respectively between two phase lines; Building-out capacitor C1, piezo-resistance R1 and discharge resistance R2 are connected in parallel on respectively between the two-phase, resistance R 3 be connected in parallel on again on the filter capacitor C2 after indicator light HL1 connects.
2, a kind of electricity-saving appliance, it is single-phase electricity-saving appliance, constitute by a circuit unit, this circuit unit is by building-out capacitor C1, piezo-resistance R1, discharge resistance R2, filter capacitor C2, big choke L1, little choke L2, high frequency magnetic core T, resistance R 3 and indicator light HL1 form, it is characterized in that: filter capacitor C2 and little choke L2 and big chokes L1 are composed in series path and are connected in parallel between phase line and the zero line, wherein, big choke L1 is on high-frequency core T, big choke L1 and lead after little choke L2 connects around high frequency magnetic core T and pass big choke L1 and little choke L2 after, connect with filter capacitor C2 again; High frequency magnetic core T has two openings; Building-out capacitor C1, piezo-resistance R1 and discharge resistance R2 are connected in parallel on respectively between phase line and the zero line, resistance R 3 be connected in parallel on again on the filter capacitor C2 after indicator light HL1 connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320116133 CN2657259Y (en) | 2003-12-02 | 2003-12-02 | Electricity-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320116133 CN2657259Y (en) | 2003-12-02 | 2003-12-02 | Electricity-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2657259Y true CN2657259Y (en) | 2004-11-17 |
Family
ID=34346185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320116133 Expired - Fee Related CN2657259Y (en) | 2003-12-02 | 2003-12-02 | Electricity-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2657259Y (en) |
-
2003
- 2003-12-02 CN CN 200320116133 patent/CN2657259Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |