CN204068394U - A kind of stabilized voltage supply device - Google Patents
A kind of stabilized voltage supply device Download PDFInfo
- Publication number
- CN204068394U CN204068394U CN201420605862.2U CN201420605862U CN204068394U CN 204068394 U CN204068394 U CN 204068394U CN 201420605862 U CN201420605862 U CN 201420605862U CN 204068394 U CN204068394 U CN 204068394U
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- Prior art keywords
- contactor
- normal open
- open switch
- power
- coil
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of stabilized voltage supply device, comprising: with the normally closed switch of an Electrode connection of AC power; The timer be connected with the other end of normally closed switch; Two ends respectively with the first contactor of the other end of timer and another Electrode connection of AC power; Second contactor, the two ends of its coil respectively with the other end of timer and another Electrode connection of AC power; Transformer, the two ends of its primary coil are connected with one end of two the first normal open switch respectively, and the other end of two the first normal open switch is connected with the two poles of the earth of AC power; Rectifier, two AC input terminal is connected with the two ends of the secondary coil of transformer, and two DC output terminal are connected with one end of two the second normal open switch; The batteries that the two poles of the earth are connected with the other end of two the second normal open switch and the two poles of the earth of load simultaneously.This device prevents the Switching Power Supply caused because of misoperation from burning, damaging, and greatly reduces the failure rate of power supply.
Description
Technical field
The utility model relates to electric field, particularly a kind of stabilized voltage supply device.
Background technology
At present, domestic engine trial run stand is all equipped with the power supply (24V, 6A) for model machine idling lifting, is also used as the detection power supply detected diesel engine oil-cut cylinder solenoid valve.Some Fuel Cut Solenoid Valve requires the operating current of 24V, 40-60A, for this reason, generally uses 24V, 40-60A switching power supply.But switching power supply easily causes positive and negative electrode to contact and short circuit because of misoperation, causes Switching Power Supply to burn, damages.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Utility model content
The purpose of this utility model is to provide a kind of stabilized voltage supply device, thus overcomes switching power supply easily because misoperation causes positive and negative electrode to contact and short circuit, the defect cause Switching Power Supply to burn, damaging.
For achieving the above object, the utility model provides a kind of stabilized voltage supply device, comprising: normally closed switch, one end of normally closed switch and AC power Electrode connection; Timer, one end of timer is connected with the other end of normally closed switch; First contactor, one end of the coil of the first contactor is connected with the other end of timer, the other end of the coil of the first contactor and another Electrode connection of AC power; Second contactor, one end of the coil of the second contactor is connected with the other end of timer, the other end of the coil of the second contactor and another Electrode connection of AC power; Transformer, the two ends of the primary coil of transformer are connected with one end of two the first normal open switch of the first contactor respectively, and the other end of two the first normal open switch is connected with the two poles of the earth of AC power; Rectifier, two AC input terminals of rectifier are connected with the two ends of the secondary coil of transformer, and two DC output terminal of rectifier are connected with one end of two the second normal open switch of the second contactor respectively; And batteries, the two poles of the earth of batteries are connected with the other end of two the second normal open switch and the two poles of the earth of load simultaneously.
Preferably, in technique scheme, two ends the 3rd normal open switch in parallel of timer.
Preferably, in technique scheme, stabilized voltage supply device also comprises the 4th normal open switch and the 3rd contactor, one end of 4th normal open switch is connected with the other end of normally closed switch, one end of 5th normal open switch of the first contactor is connected with the other end of the 4th normal open switch, the other end of the 5th normal open switch is connected with one end of the coil of the 3rd contactor, the other end of the coil of the 3rd contactor and another Electrode connection of AC power, and the 6th normal open switch of the 3rd contactor is in parallel with the 4th normal open switch, two the 7th normal open switch of the 3rd contactor are separately positioned between the two poles of the earth of batteries and the two poles of the earth of load.
Preferably, in technique scheme, the other end of normally closed switch is connected with the 8th normal open switch of the first contactor, between the 8th normal open switch and another electrode of AC power, is provided with charging indicator light.
Preferably, in technique scheme, the other end of normally closed switch is connected with the 9th normal open switch of the 3rd contactor, between the 9th normal open switch and another electrode of AC power, is provided with load output indicator.
Preferably, in technique scheme, the two poles of the earth of batteries are respectively equipped with fuse.
Preferably, in technique scheme, the maximum output of batteries is 24V, 300A.
Compared with prior art, the utility model has following beneficial effect:
The utility model carrys out the break-make of electric current of control contactor, transformer, rectifier by timer, timing is to two charge in batteries that are cascaded, and by power circuit for load provide stable, the DC power supply of big current, achieve low current charge, High-current output, storage battery is maximum can provide 24V, the direct current of 300A, effectively prevents the Switching Power Supply that short circuit causes because misoperation causes the positive and negative electrode of power supply to contact from burning, damaging, greatly reduces the failure rate of power supply; This device is easy and simple to handle, use is reliable, has effectively saved cost.
Accompanying drawing explanation
Fig. 1 is the circuit diagram according to stabilized voltage supply device of the present utility model.
Main Reference Numerals illustrates:
1-batteries, 2-load, 3-timer.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection range of the present utility model not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As shown in Figure 1, timer 3, first contactor KM1, the second contactor KM2, the 3rd contactor KM3, transformer TC, rectifier and batteries 1 is comprised according to the stabilized voltage supply device of the utility model embodiment.Batteries 1 comprises two storage batterys of series connection.
As shown in Figure 1, an electrode of AC power is connected with normally closed switch SB1, the other end of normally closed switch SB1 connects the 3rd normal open switch SB2 in parallel and timer 3, at another electrode of AC power and the coil of the coil and the second contactor KM2 that are provided with the first contactor KM1 in parallel between timer 3.
As shown in Figure 1, the two ends of the primary coil of transformer TC are connected with the two poles of the earth of AC power by air switch QF1, the first normal open switch KM1-1 of the first contactor KM1 is respectively equipped with between two air switch QF1 and the two ends of primary coil, the two ends of the secondary coil of transformer TC connect two AC input terminals of rectifier respectively, and two DC output ends of rectifier provide the direct voltage of 24V for load 2.Two second normal open switch of the second contactor KM2 respectively with two DC output end sub-connections of rectifier, the other end of two the second normal open switch connects the two poles of the earth of batteries 1 and load 2 simultaneously.Preferably, the two poles of the earth of batteries 1 are respectively equipped with fuse FU.As shown in Figure 1, the other end of normally closed switch SB1 is also connected with the 8th normal open switch KM1-3 of the first contactor KM1 and the 9th normal open switch KM3-3 of the 3rd contactor KM3, be provided with charging indicator light HL1 between 8th normal open switch KM1-3 and another electrode of AC power, between the 9th normal open switch KM3-3 and another electrode of AC power, be provided with load output indicator HL2.
The schedule operating time section of timer 3 is the operating time section of operating personnel, makes batteries 1 continue charging when operating personnel work.
When timer 3 is in schedule operating time section, timer 3 is connected, the coil electricity of the first contactor KM1 and the second contactor KM2, and the first normal open switch KM1-1 of the first contactor KM1 closes, make transformer TC and rectifier energising, rectifier exports the direct voltage of 24V.The second normal open switch KM2 of the second contactor KM2 closes simultaneously, and the power supply of batteries is connected, and rectifier is battery charging, and the 8th normal open switch KM1-3 of the first contactor KM1 closes simultaneously, and charging indicator light HL1 opens, and represents and charges.
Preferably, stabilized voltage supply device is also provided with protective circuit.As shown in Figure 1, the other end of normally closed switch SB1 is also connected with the 4th normal open switch SB3,5 constant virtues K switch M1-2 of the first contactor KM1 and the coil of the 3rd contactor KM3 is connected in series successively between 4th normal open switch SB3 and another electrode of AC power, the 6th normal open switch KM3-1 of the 3rd contactor KM3 in parallel at the two ends of the 4th normal open switch SB3, and between the two poles of the earth and the two poles of the earth of batteries of load, be respectively equipped with the 7th normal open switch of the 3rd contactor KM3.
Due to operating personnel operationally timer 3 be in on-state always, 5 constant virtues K switch M1-2 of the first contactor KM1 closes, therefore when load needs work, manually press the 4th normal open switch SB3, the coil of the 3rd contactor KM3 is connected, make the 6th normal open switch KM3-1 of the 3rd contactor KM3 close simultaneously, even if unclamp the 4th normal open switch SB3, protective circuit still keeps connecting, the 7th normal open switch KM3-2 of the 3rd contactor KM3 closes, therefore the two poles of the earth of batteries and load are connected, batteries is load supplying, simultaneously, the 9th normal open switch KM3-3 of the 3rd contactor KM3 closes, load output indicator HL2 opens, display load works.
In the non-working time of operating personnel, load is also in non operating state, and this stabilized voltage supply device avoids the total line short circuit under non operating state by the 3rd contactor KM3.Principle is: in the non-working time of operating personnel; timer disconnects; the coil losing electricity of the first contactor KM1; 5 constant virtues K switch M1-2 of the first contactor KM1 disconnects; protective circuit cannot be connected, and therefore, the coil of the 3rd contactor KM3 cannot be connected; the 7th normal open switch KM3-2 of the 3rd contactor KM3 disconnects, and the power supply of load cannot be connected.
The utility model carrys out the break-make of electric current of control contactor, transformer, rectifier by timer, timing is to two charge in batteries that are cascaded, and by power circuit for load provide stable, the DC power supply of big current, achieve low current charge, High-current output, storage battery is maximum can provide 24V, the direct current of 300A, effectively prevents the Switching Power Supply that short circuit causes because misoperation causes the positive and negative electrode of power supply to contact from burning, damaging, greatly reduces the failure rate of power supply; This device is easy and simple to handle, use is reliable, has effectively saved cost.
The aforementioned description to concrete exemplary of the present utility model is to illustrate and the object of illustration.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present utility model and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present utility model and various different selection and change.Scope of the present utility model is intended to limited by claims and equivalents thereof.
Claims (7)
1. a stabilized voltage supply device, is characterized in that, comprising:
Normally closed switch, one end of described normally closed switch and AC power Electrode connection;
Timer, one end of described timer is connected with the other end of described normally closed switch;
First contactor, one end of the coil of described first contactor is connected with the other end of described timer, the other end of the coil of described first contactor and another Electrode connection of AC power;
Second contactor, one end of the coil of described second contactor is connected with the other end of described timer, the other end of the coil of described second contactor and another Electrode connection of AC power;
Transformer, the two ends of the primary coil of described transformer are connected with one end of two the first normal open switch of described first contactor respectively, and the other end of two the first normal open switch is connected with the two poles of the earth of AC power;
Rectifier, two AC input terminals of described rectifier are connected with the two ends of the secondary coil of described transformer, and two DC output terminal of described rectifier are connected with one end of two the second normal open switch of described second contactor respectively; And
Batteries, the two poles of the earth of described batteries are connected with two described other ends of the second normal open switch and the two poles of the earth of load simultaneously.
2. stabilized voltage supply device according to claim 1, is characterized in that, two ends the 3rd normal open switch in parallel of described timer.
3. stabilized voltage supply device according to claim 2, it is characterized in that, described stabilized voltage supply device also comprises the 4th normal open switch and the 3rd contactor, one end of described 4th normal open switch is connected with the other end of described normally closed switch, one end of 5th normal open switch of described first contactor is connected with the other end of described 4th normal open switch, the other end of described 5th normal open switch is connected with one end of the coil of described 3rd contactor, the other end of coil of described 3rd contactor and another Electrode connection of AC power, and the 6th normal open switch of described 3rd contactor is in parallel with described 4th normal open switch, two the 7th normal open switch of described 3rd contactor are separately positioned between the two poles of the earth of described batteries and the two poles of the earth of described load.
4. stabilized voltage supply device according to claim 3, it is characterized in that, the other end of described normally closed switch is connected with the 8th normal open switch of described first contactor, between described 8th normal open switch and another electrode of AC power, is provided with charging indicator light.
5. stabilized voltage supply device according to claim 4, it is characterized in that, the other end of described normally closed switch is connected with the 9th normal open switch of described 3rd contactor, between described 9th normal open switch and another electrode of AC power, is provided with load output indicator.
6. stabilized voltage supply device according to claim 1, is characterized in that, the two poles of the earth of described batteries are respectively equipped with fuse.
7. stabilized voltage supply device according to claim 1, is characterized in that, the maximum output of described batteries is 24V, 300A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605862.2U CN204068394U (en) | 2014-10-20 | 2014-10-20 | A kind of stabilized voltage supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605862.2U CN204068394U (en) | 2014-10-20 | 2014-10-20 | A kind of stabilized voltage supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204068394U true CN204068394U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420605862.2U Expired - Fee Related CN204068394U (en) | 2014-10-20 | 2014-10-20 | A kind of stabilized voltage supply device |
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| CN (1) | CN204068394U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337377A (en) * | 2015-12-10 | 2016-02-17 | 广西玉柴机器股份有限公司 | Automatic voltage stabilizing power source device |
-
2014
- 2014-10-20 CN CN201420605862.2U patent/CN204068394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337377A (en) * | 2015-12-10 | 2016-02-17 | 广西玉柴机器股份有限公司 | Automatic voltage stabilizing power source device |
| CN105337377B (en) * | 2015-12-10 | 2018-01-30 | 广西玉柴机器股份有限公司 | Automatic voltage regulation supply unit |
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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: 20141231 Termination date: 20191020 |
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| CF01 | Termination of patent right due to non-payment of annual fee |