CN200944533Y - DC uninterrupted power source - Google Patents
DC uninterrupted power source Download PDFInfo
- Publication number
- CN200944533Y CN200944533Y CN 200620092637 CN200620092637U CN200944533Y CN 200944533 Y CN200944533 Y CN 200944533Y CN 200620092637 CN200620092637 CN 200620092637 CN 200620092637 U CN200620092637 U CN 200620092637U CN 200944533 Y CN200944533 Y CN 200944533Y
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- switch
- relay
- resistance
- circuit
- shunt
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A DC uninterrupted power source comprises a direct current power source circuit, a direct current charging and discharging circuit, a power-down warning circuit and a protection circuit, wherein, the direct current power source circuit comprises an air switch DK1, a relay J1, an autotransformer B1, a conversion switch HK1, a power source transformer B2, a capacitance C1, a resistance R1 and a commutator D1 to D4. The direct current charging and discharging circuit comprises a diode D5, a selection switch HK2, a resistance R2, a shunt FL1, a conversion switch HK3, a diode D6, a relay J2, a shunt FL2 and a storage battery group XDC1. The power-down warning circuit comprises a contact J1-1 connected parallel with a relay J1 of an electromagnet DCT1, a speaker MYQ1 and a button AN1. The protection circuit comprises a selection switch K1, a switch K2 and a switch K3. The utility model provides direct current uninterrupted power source for the electromagnet arranged on the running orbit of electric welding head, and has the advantages of simple structure, low cost, safety, reliability and long life-span.
Description
(1) technical field
The utility model relates to a kind of DC power supply, particularly relates to a kind of DC UPS of welder head walking track with electromagnet.
(2) background technology
Arc welding is the main production of industries such as shipbuilding, building, machining.At present, on various hardwares such as hull, container, pipeline, carry out weld job, often adopt the welding manner of welder head along the trapped orbit walking.And the walking trapped orbit all adopts permanent magnet, and permanent magnet in use has the demagnetization phenomenon, and sorptive force descends, and causes head to damage easily, and welding quality descends.For addressing the above problem, the electromagnet that we have made a kind of fixedly walking track replaces former permanent magnet.For the electromagnet that guarantees fixing walking track satisfies long-time uninterrupted production requirement, need a kind of suitable uninterrupted power supply, and existing uninterrupted power supply power is little on the market, power-on time is short, and protective value is relatively poor, can not satisfy the production needs.
(3) summary of the invention
The technical problems to be solved in the utility model provides the fixing a kind of DC UPS with electromagnet safety, reliable, long service life of effective solution welder head walking track.
The technical scheme that adopts is:
A kind of DC UPS comprises DC power supply circuit, direct current charge-discharge circuit, cut-offing alarming circuit, protective circuit.
The circuit that described DC power supply circuit is made up of air switch DK1, relay J 1, indicator light ZD1, autotransformer B1, change over switch HK1, power transformer B2, capacitor C 1, resistance R 1, rectifier D1～D4, electrical connection.Can guarantee that in use electromagnet has well, and magnetic force effect stably.
Described direct current charge-discharge circuit is electrically connected the circuit of forming by diode D5, charging current selector switch HK2, resistance R 3, resistance R 2, shunt FL1, change over switch HK3, diode D6, relay J 2, shunt FL2, batteries XDC1.
Cut-offing alarming circuit is electrically connected the circuit of forming by the 1 contact J1-1 of the relay J on the electromagnet DCT1, bullhorn MYQ1, button AN1.Realize power alarm.
Protective circuit is electrically connected the circuit of forming by selector switch K1, K switch 2, K switch 3 and D7.Can realize the repid discharge demagnetization.
Be parallel with ammeter A1 and A2 respectively on above-mentioned K switch 2 and the K3.
On above-mentioned air switch DK1, be parallel with indicator light ZD1.
On above-mentioned rectifier D1-D4, be parallel with voltmeter V.
The electromagnet that the utility model is installed for electric welding head walking track provides DC UPS.The utility model is simple in structure, cost is low, safe and reliable, long service life.
(4) description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
(5) embodiment
A kind of DC UPS comprises DC power supply circuit, direct current charge-discharge circuit, cut-offing alarming circuit, protective circuit.
Described DC power supply circuit is made up of air switch DK1, relay J 1, indicator light ZD1, autotransformer B 1, change over switch HK1, power transformer B2, capacitor C 1, resistance R 1, rectifier D1～D4, voltmeter V1.External power is through air switch DK1; relay J 1 in parallel, indicator light ZD1, autotransformer B1; be connected to power transformer B2 primary side through the HK1 change over switch again; secondary end is connected in parallel by the rc protection circuit and the bridge rectifier D1～D4 of resistance R 1, capacitor C 1 series connection; voltmeter V1 is connected in parallel on the rectifier, the supply voltage after the demonstration rectification.When the external power power supply, air switch DK1 closure is more than formed DC power supply circuit, directly gives electromagnet DCT1 power supply through shunt FL2.Alternating current is by selector switch HK1, choice point 1,2,3 can obtain three kinds of power supply 220V, 110V, 55V respectively, and it is elementary to supply with B2, obtain the alternating current of 27V, 13.5V, 6.75V respectively through transformer secondary output, obtain the direct current of 24V, 12V, 6V by bridge rectifier respectively.Provide three kinds of power supplys be for: raise when electromagnet DCT1 uses long-time back electromagnet temperature, magnetic force descends, by promoting supply power voltage step by step, assurance electromagnet magnetic force effect.
Described direct current charge-discharge circuit is made up of diode D5, charging current selector switch HK2, resistance R 3, resistance R 2, shunt FL1, ammeter A1, change over switch HK3, diode D6, relay J 2, shunt FL2, ammeter A1, batteries XDC1.Through the DC power supply of over commutation output, through diode D5, connection charging current selector switch HK2,,, be the charging battery mode through resistance R 3, resistance R 2 when selecting HK2 choice point 4, when selecting HK2 choice point 5, be the charging quickly mode.Resistance R 2 outputs are connected shunt FL1 with HK2 choice point 5, connect change over switch HK3 again, and the back connects batteries XDC1 positive pole.When the external power power supply, while air switch DK1 closure, change over switch HK3 closure, external power is batteries XDC1 charging.When air switch DK1 disconnects or external power is not powered, change over switch HK3 closure, batteries XDC1 discharge make relay J 2 work, relay J 2 closings of contact, batteries XDC1 gives electromagnet DCT1 power supply through change over switch HK3, diode D6, shunt FL2.Above-mentioned change over switch HK3 is a normally off.
Described cut-offing alarming circuit is by being connected in parallel on electromagnet DCT1.Form by relay J 1 contact J1-1, indicator light ZD2, bullhorn MYQ1, button AN1.When the external power power supply, while air switch DK1 closure, relay J 1 work, contact J1-1 disconnects, and can not produce sound and light alarm; When air switch DK1 disconnects or external power is not powered, relay J 1 is not worked, contact J1-1 closure, when by batteries XDC1 through change over switch HK3 closure, relay J 1 contact J1-2 closure, relay J 2 work, relay J 2 closings of contact are through D6, relay J 2 contacts, contact J1-1, one the road to indicator light ZD2, realize light warning; Another road makes buzzer MYQ1 audible alarm through button AN1, and AN1 is a warning noise elimination locking press button, presses and cuts off buzzer supply line, the audible alarm cancellation.
Described protective circuit is made up of selector switch K1, K switch 2, K switch 3 and D7.Selector switch K1 is connected on the voltmeter V1, and when selecting K switch 1 to be connected choice point 6, voltmeter V1 works, and when selecting K switch 1 to be connected choice point 7, voltmeter V1 does not work.K switch 2, K3 are connected in parallel on respectively on ammeter A1 and the A2.Owing to can not fixed point power in the work, need frequent mobile power supply.Moving, using protective circuit when transporting, can protect at the volley owing to vibrations damage ammeter, voltmeter.When K1 is connected choice point 7, K switch 2, K3 disconnection, protect voltmeter V1, ammeter A1 and A2 respectively.Diode D7 is connected in parallel on electromagnet DCT1, after electromagnet DCT1 works a period of time, because of work no longer needs work of electromagnet, promptly no longer for it provides power supply, can realize the repid discharge demagnetization by diode D7.
Claims (2)
1, a kind of DC UPS comprises DC power supply circuit, direct current charge-discharge circuit, cut-offing alarming circuit and protective circuit, it is characterized in that:
A, DC power supply circuit are by air switch (DK1), relay (J1), autotransformer (B1), change over switch (HK1), power transformer (B2), electric capacity (C1), resistance (R1), rectifier (D1)～(D4) form; (B1) is in parallel with relay (J1), autotransformer for air switch (DK1), pass through change over switch (HK1) again and be connected to power transformer (B2) primary side, secondary end and rc protection circuit of connecting and bridge rectifier (D1)～(D4) parallel connection by resistance (R1), electric capacity (C1);
B, direct current charge-discharge circuit are made up of diode (D5), selector switch (HK2), resistance (R2), resistance (R2), shunt (FL1), change over switch (HK3), diode (D6), relay (J2), shunt (FL2) and batteries (XDC1); Resistance (R2) is with after resistance (R3) is connected, resistance (R2) output is connected shunt (FL1) with selector switch (HK2) choice point (5), connect change over switch (HK3) again, the back connects the contact (J1-2) of batteries (XDC1) positive pole and relay (J2), relay (J2) connects selector switch (K1), resistance (R3) connects the choice point (4) of conversion switch (HK2), the choice point (4) of change over switch (HK2) connects the negative pole of diode (D5), the positive pole of diode (D5) connects the DC power supply anode, diode (D6) negative pole connects conversion switch (HK3), and positive pole connects the DC power supply anode through the contact of relay (J2) (J2-1);
C, cut-offing alarming circuit are made up of the contact (J1-1) that is connected in parallel on the relay (J1) on the electromagnet (DCT1), bullhorn (MYQ1) and button (AN1);
D, protective circuit are made up of selector switch (K1), switch (K2), switch (K3), and selector switch (K1) is connected with relay (J2), and switch (K2) is in parallel with shunt (FL1), switch (K3) is in parallel with shunt (FL1).
2, a kind of DC UPS according to claim 1 is characterized in that going up shunt voltage table (V1) at selector switch (K1), goes up parallel-current table (A1) at switch (K2), goes up parallel-current table (A2) at switch (K3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620092637 CN200944533Y (en) | 2006-08-03 | 2006-08-03 | DC uninterrupted power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620092637 CN200944533Y (en) | 2006-08-03 | 2006-08-03 | DC uninterrupted power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200944533Y true CN200944533Y (en) | 2007-09-05 |
Family
ID=38719171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620092637 Expired - Fee Related CN200944533Y (en) | 2006-08-03 | 2006-08-03 | DC uninterrupted power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200944533Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044907A (en) * | 2011-01-26 | 2011-05-04 | 福建农林大学 | Uninterrupted power supply (UPS) circuit realizing charge and inversion functions by adopting single transformer |
| CN102290973A (en) * | 2011-08-10 | 2011-12-21 | 天津天地伟业数码科技有限公司 | Structure of switch power supply |
| CN103475085A (en) * | 2013-09-17 | 2013-12-25 | 龙岩市海德馨汽车有限公司 | High-power direct current starting system for emergency power vehicle |
-
2006
- 2006-08-03 CN CN 200620092637 patent/CN200944533Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044907A (en) * | 2011-01-26 | 2011-05-04 | 福建农林大学 | Uninterrupted power supply (UPS) circuit realizing charge and inversion functions by adopting single transformer |
| CN102290973A (en) * | 2011-08-10 | 2011-12-21 | 天津天地伟业数码科技有限公司 | Structure of switch power supply |
| CN103475085A (en) * | 2013-09-17 | 2013-12-25 | 龙岩市海德馨汽车有限公司 | High-power direct current starting system for emergency power vehicle |
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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: BOHAI SHIPYARD GROUP CO., LTD. Free format text: FORMER OWNER: BOHAI SHIP HEAVY INDUSTRY CO LTD. Effective date: 20100813 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100813 Address after: 125000 Huludao City, Liaoning province Longgang District Jinhu Road No. 132 Patentee after: Bohai Shipyard Group Co., Ltd. Address before: 125000 Huludao City, Liaoning province Longgang District Jinhu Road No. 132 Patentee before: Bohai Ship Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 Termination date: 20150803 |
|
| EXPY | Termination of patent right or utility model |