CN203911475U - Bypass protection circuit of electricity-saving appliance - Google Patents
Bypass protection circuit of electricity-saving appliance Download PDFInfo
- Publication number
- CN203911475U CN203911475U CN201420295861.2U CN201420295861U CN203911475U CN 203911475 U CN203911475 U CN 203911475U CN 201420295861 U CN201420295861 U CN 201420295861U CN 203911475 U CN203911475 U CN 203911475U
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- gear
- contactor
- normally
- bypass
- closed contact
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Abstract
The utility model discloses a bypass protection circuit of an electricity-saving appliance. The bypass protection circuit comprises a main circuit. A gear switch is connected in the main circuit. The gear switch at least comprises a bypass gear and a work gear. One and only one gear can form a loop at one time. The work gear is sequentially connected with a bypass contactor first normally-closed contact and a main circuit contactor coil. The bypass gear is sequentially connected with a main circuit contactor fourth normally-closed contact and a bypass contactor coil. The bypass protection circuit further comprises a fault protection bypass. The fault protection bypass is sequentially connected with a bypass contactor fifth normally-closed contact, a main circuit contactor fifth normally-closed contact, and a time relay coil. A time relay first normally-open contact is connected in parallel with the bypass contactor first normally-closed contact and a main circuit contactor first normally-closed contact. A time relay second normally-open contact is connected in parallel with the main circuit contactor fourth normally-closed contact.
Description
Technical field
The utility model relates to a kind of bypass protection circuit for electricity-saving appliance.
Background technology
Electricity-saving appliance is generally divided into lighting class electricity-saving appliance and each power category electricity-saving appliance.Adopt hv filtering and energy absorption technology, the energy of automatic absorption high voltage power equipment reverse potential, and constantly load is returned in feedback, has saved this part electric energy that power consumption equipment is drawn from high-voltage fence.Utilize on the other hand international advanced high-tension electricity parameter optimization technology, sinusoidal wave tracking technique and nanometer technology and assembly, suppress and reduce the generation of impulse current, transition and high order harmonic component in supply line, the power supply quality of power conditioner, raising high-voltage fence, significantly reduce copper loss and the iron loss of line loss and power-equipment, improve useful life and the mechanical efficiency of high pressure power consumption equipment, in use not only saved electric energy but also can significantly reduce equipment operation cost.
Because electric current all must could form loop by electricity-saving appliance, so once electricity-saving appliance breaks down, use the equipment of electricity-saving appliance just cannot move.And be not allow to have a power failure in some occasion, if cause shutdown because of electricity-saving appliance fault, its loss cannot be estimated.
In order to address the above problem, the inventor has invented a kind of electrical equipment bypass protection circuit, and when electricity-saving appliance breaks down cannot switch on time, electric current is walked around electricity-saving appliance and formed loop, and equipment is normally moved.
But this circuit cannot be switched to bypass by hand, when needs are demonstrated electricity-saving appliance effect for client, or need to overhaul electricity-saving appliance time, very inconvenient.
Utility model content
For the technical problem of above-mentioned existence, the utility model provides a kind of electricity-saving appliance bypass protection circuit, and when electricity-saving appliance breaks down cannot switch on time, electric current is walked around electricity-saving appliance and formed loop, and equipment is normally moved.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of electricity-saving appliance bypass protection circuit, comprise a main circuit, and on main circuit, be connected with driving switch; Described driving switch at least comprises work gear of a bypass gear, and the same time has and can only have a gear can form loop; On described work gear, be connected with bypass contactor the first normally-closed contact and main circuit contact device coil in turn; On described bypass gear, be connected with main circuit contact device the 4th normally-closed contact and bypass contactor coil in turn; Also comprise an error protection bypass; In described error protection bypass, be connected with bypass contactor 5 constant virtues closed contact, main circuit contact device 5 constant virtues closed contact and time relay coil in turn; The time relay the first normally opened contact and bypass contactor the first normally-closed contact, main circuit contact device the first normally-closed contact are in parallel; The time relay the second normally opened contact is in parallel with main circuit contact device the 4th normally-closed contact.
As a kind of improvement, described driving switch comprises four gears; Four gears of driving switch form four branch roads, and gear 1 branch road comprises bypass contactor the first normally-closed contact, gear 2 contactor the first normally-closed contacts, gear 3 contactor the first normally-closed contacts and gear 1 contactor coil connecting successively; Gear 2 branch roads comprise bypass contactor the second normally-closed contact, gear 1 contactor the second normally-closed contact, gear 3 contactor the second normally-closed contacts and gear 2 contactor coils that connect successively; Gear 3 branch roads comprise bypass contactor the 3rd normally-closed contact, gear 1 contactor the 3rd normally-closed contact, gear 2 contactors the 3rd normally-closed contact and gear 3 contactor coils that connect successively; Gear 0 branch road comprises gear 1 contactor the 4th normally-closed contact, gear 2 contactors the 4th normally-closed contact, gear 3 contactors the 4th normally-closed contact and the bypass contactor coil connecting successively; Also comprise an error protection bypass, in described error protection bypass, be connected with bypass contactor 5 constant virtues closed contact, gear 1 contactor 5 constant virtues closed contact, gear 2 contactor 5 constant virtues closed contacts, gear 3 contactor 5 constant virtues closed contact and time relay coils in turn; The time relay the first normally opened contact and bypass contactor 5 constant virtues closed contact, gear 1 contactor 5 constant virtues closed contact, gear 2 contactor 5 constant virtues closed contacts, gear 3 contactor 5 constant virtues closed contacts are in parallel; The time relay the second normally opened contact and key switch, gear 1 contactor the 4th normally-closed contact, gear 2 contactors the 4th normally-closed contact, gear 3 contactors the 4th normally-closed contact are in parallel.Four gears to be to adapt to different operating modes, and add manual key switch, for means, open and close whole system.
As a kind of improvement, also comprise a radiating circuit, on described radiating circuit, be connected with bypass contactor the 6th normally-closed contact and radiator fan in turn.Radiator fan is electricity-saving appliance heat radiation in the normal work of electricity-saving appliance, and when electricity-saving appliance breaks down cannot work time, radiator fan is also out of service, reaches the object of economize on electricity.
As a kind of improvement, also comprise the malfunction indicator lamp in parallel with time relay coil.When electricity-saving appliance breaks down, can make indication, remind staff.
Usefulness of the present utility model is: the bypass protection circuit with said structure; when needs show that for client electricity-saving appliance effect or needs are shut down maintenance electricity-saving appliance; only driving switch need be pushed on bypass gear, electric current just directly forms loop by bypass, has walked around electricity-saving appliance.Its use is very convenient.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
A kind of electricity-saving appliance bypass protection circuit of the utility model, comprises a main circuit, is connected with driving switch on main circuit; Described driving switch at least comprises work gear of a bypass gear, and the same time has and can only have a gear can form loop; On described work gear, be connected with bypass contactor the first normally-closed contact and main circuit contact device coil in turn; On described bypass gear, be connected with main circuit contact device the 4th normally-closed contact and bypass contactor coil in turn; Also comprise an error protection bypass; In described error protection bypass, be connected with bypass contactor 5 constant virtues closed contact, main circuit contact device 5 constant virtues closed contact and time relay coil in turn; The time relay the first normally opened contact and bypass contactor the first normally-closed contact, main circuit contact device the first normally-closed contact are in parallel; The time relay the second normally opened contact is in parallel with main circuit contact device the 4th normally-closed contact.Also comprise a radiating circuit, on described radiating circuit, be connected with bypass contactor the 6th normally-closed contact and radiator fan in turn.Also comprise the malfunction indicator lamp in parallel with time relay coil.
Its most preferred embodiment as shown in Figure 1, is connected with key switch SA1, driving switch SW1 in turn on main circuit; Described driving switch comprises four gears, and the same time has and can only have a gear can form loop; Three gears of driving switch form three branch roads, and gear 1 branch road comprises bypass contactor the first normally-closed contact (OKM-1), gear 2 contactor the first normally-closed contacts (2KM-1), gear 3 contactor the first normally-closed contacts (3KM-1) and gear 1 contactor coil (1KM) connecting successively; Gear 2 branch roads comprise bypass contactor the second normally-closed contact (OKM-2), gear 1 contactor the second normally-closed contact (1KM-2), gear 3 contactor the second normally-closed contacts (3KM-2) and gear 2 contactor coils (2KM) that connect successively; Gear 3 branch roads comprise bypass contactor the 3rd normally-closed contact (OKM-3), gear 1 contactor the 3rd normally-closed contact (1KM-3), gear 2 contactors the 3rd normally-closed contact (2KM-2) and gear 3 contactor coils (3KM) that connect successively; On gear 0 branch road, comprise gear 1 contactor the 4th normally-closed contact (1KM-4), gear 2 contactors the 4th normally-closed contact (2KM-4), gear 3 contactors the 4th normally-closed contact (3KM-4) and the bypass contactor coil (0KM) that connect successively; Also comprise an error protection bypass, in described error protection bypass, be connected with bypass contactor 5 constant virtues closed contact (OKM-5), gear 1 contactor 5 constant virtues closed contact (1KM-5), gear 2 contactor 5 constant virtues closed contacts (2KM-5), gear 3 contactor 5 constant virtues closed contacts (3KM-5) and time relay coil (KT) in turn; The time relay the first normally opened contact (KT-1) and bypass contactor 5 constant virtues closed contact (OKM-5), gear 1 contactor 5 constant virtues closed contact (1KM-5), gear 2 contactor 5 constant virtues closed contacts (2KM-5), gear 3 contactor 5 constant virtues closed contacts (3KM-5) are in parallel; The time relay the second normally opened contact (KT-2) and key switch, gear 1 contactor the 4th normally-closed contact (1KM-4), gear 2 contactors the 4th normally-closed contact (2KM-4), gear 3 contactors the 4th normally-closed contact (3KM-4) are in parallel.Also comprise a radiating circuit, on described radiating circuit, be connected with bypass contactor the 6th normally-closed contact (OKM-6) and radiator fan (FS) in turn.Also comprise the malfunction indicator lamp (HL2) in parallel with time relay coil (KT).
In the time of normal operation, key switch (SA1) closure, driving switch (SW1) is arranged in any one grade of one or two third gear.The situation of herein only giving an example when gear 1, situation when gear 2 and gear 3 is identical.Bypass contactor coil (OKM) no power, bypass contactor contact is all closed.Gear 1 contactor coil (1KM) energising, all disconnects gear 1 contacts of contactor.Gear 2 contactor coils (2KM), gear 3 contactor coils (3KM) no power, make gear 2 and gear 3 contacts of contactor all closed.Now, only gear 1 is path, and gear 2 gears 3 and bypass all disconnect.Radiator fan also operates as electricity-saving appliance heat radiation.Now first electric current passes through electricity-saving appliance, and then to equipment, reaches the object of economize on electricity.
When main circuit breaks down, while being gear 1, gear 2, gear 3 and the equal no power of bypass, gear 1 contactor coil (1KM), gear 2 contactor coils (2KM), gear 3 contactor coils (3KM) and bypass contactor coil (0KM) be no power all, makes gear 1, gear 2 and gear 3 contactors and bypass contactor contact all closed.When bypass contactor 5 constant virtues closed contact (OKM-5), gear 1 contactor 5 constant virtues closed contact (1KM-5), gear 2 contactor 5 constant virtues closed contacts (2KM-5), 3 contactor 5 constant virtues closed contacts (3KM-5) while of gear closure, time relay coil (KT) energising, after postponing some seconds, the time relay the first normally opened contact (KT-1), the time relay the second normally opened contact (KT-2) closure.After the time relay the first normally opened contact (KT-1) closure, electric current is by time relay coil (KT) and malfunction indicator lamp (HL2), and malfunction indicator lamp (HL2) lights.After the time relay the second normally opened contact (KT-2) closure, electric current walks around main circuit and bypass forms loop, and equipment is normally moved.Because bypass contactor coil (OKM) is positioned in failure bypass, after bypass contactor coil (OKM) is switched on again, bypass contactor contact all disconnects again.After bypass contactor the 6th normally-closed contact (0KM-6) disconnects, make radiator fan stall.
When needs show that for client electricity-saving appliance effect or needs are shut down maintenance electricity-saving appliance, driving switch is threaded to gear 0, and electric current forms loop by bypass, has walked around electricity-saving appliance.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. an electricity-saving appliance bypass protection circuit, comprises a main circuit, it is characterized in that: on main circuit, be connected with driving switch; Described driving switch at least comprises work gear of a bypass gear, and the same time has and can only have a gear can form loop; On described work gear, be connected with bypass contactor the first normally-closed contact and main circuit contact device coil in turn; On described bypass gear, be connected with main circuit contact device the 4th normally-closed contact and bypass contactor coil in turn; Also comprise an error protection bypass; In described error protection bypass, be connected with bypass contactor 5 constant virtues closed contact, main circuit contact device 5 constant virtues closed contact and time relay coil in turn; The time relay the first normally opened contact and bypass contactor the first normally-closed contact, main circuit contact device the first normally-closed contact are in parallel; The time relay the second normally opened contact is in parallel with main circuit contact device the 4th normally-closed contact.
2. a kind of electricity-saving appliance bypass protection circuit according to claim 1, is characterized in that: on main circuit, be connected with key switch, driving switch in turn; Described driving switch comprises four gears; Four gears of driving switch form four branch roads, and gear 1 branch road comprises bypass contactor the first normally-closed contact, gear 2 contactor the first normally-closed contacts, gear 3 contactor the first normally-closed contacts and gear 1 contactor coil connecting successively; Gear 2 branch roads comprise bypass contactor the second normally-closed contact, gear 1 contactor the second normally-closed contact, gear 3 contactor the second normally-closed contacts and gear 2 contactor coils that connect successively; Gear 3 branch roads comprise bypass contactor the 3rd normally-closed contact, gear 1 contactor the 3rd normally-closed contact, gear 2 contactors the 3rd normally-closed contact and gear 3 contactor coils that connect successively; Gear 0 branch road comprises gear 1 contactor the 4th normally-closed contact, gear 2 contactors the 4th normally-closed contact, gear 3 contactors the 4th normally-closed contact and the bypass contactor coil connecting successively; Also comprise an error protection bypass, in described error protection bypass, be connected with bypass contactor 5 constant virtues closed contact, gear 1 contactor 5 constant virtues closed contact, gear 2 contactor 5 constant virtues closed contacts, gear 3 contactor 5 constant virtues closed contact and time relay coils in turn; The time relay the first normally opened contact and bypass contactor 5 constant virtues closed contact, gear 1 contactor 5 constant virtues closed contact, gear 2 contactor 5 constant virtues closed contacts, gear 3 contactor 5 constant virtues closed contacts are in parallel; The time relay the second normally opened contact and key switch, gear 1 contactor the 4th normally-closed contact, gear 2 contactors the 4th normally-closed contact, gear 3 contactors the 4th normally-closed contact are in parallel.
3. a kind of electricity-saving appliance bypass protection circuit according to claim 1, is characterized in that: also comprise a radiating circuit, be connected with bypass contactor the 6th normally-closed contact and radiator fan on described radiating circuit in turn.
4. a kind of electricity-saving appliance bypass protection circuit according to claim 1, is characterized in that: also comprise the malfunction indicator lamp in parallel with time relay coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295861.2U CN203911475U (en) | 2014-06-05 | 2014-06-05 | Bypass protection circuit of electricity-saving appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295861.2U CN203911475U (en) | 2014-06-05 | 2014-06-05 | Bypass protection circuit of electricity-saving appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911475U true CN203911475U (en) | 2014-10-29 |
Family
ID=51785721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295861.2U Expired - Fee Related CN203911475U (en) | 2014-06-05 | 2014-06-05 | Bypass protection circuit of electricity-saving appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203911475U (en) |
-
2014
- 2014-06-05 CN CN201420295861.2U patent/CN203911475U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20160605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |