CN101196752A - Voltage stabilizer - Google Patents
Voltage stabilizer Download PDFInfo
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- CN101196752A CN101196752A CNA2006101618134A CN200610161813A CN101196752A CN 101196752 A CN101196752 A CN 101196752A CN A2006101618134 A CNA2006101618134 A CN A2006101618134A CN 200610161813 A CN200610161813 A CN 200610161813A CN 101196752 A CN101196752 A CN 101196752A
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- 239000003381 stabilizer Substances 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 claims abstract description 131
- 239000002184 metal Substances 0.000 claims abstract description 131
- 230000000052 comparative effect Effects 0.000 claims description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 30
- 229910052802 copper Inorganic materials 0.000 claims description 30
- 239000010949 copper Substances 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 10
- 150000002739 metals Chemical class 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 abstract 2
- 229910000737 Duralumin Inorganic materials 0.000 description 13
- 230000004907 flux Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- -1 soft copper 9Aa Chemical class 0.000 description 1
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Abstract
The invention discloses a voltage stabilizing device, which can keep the output voltage of the output end at the preset voltage value. The output voltage output by an output end coil (9) detected by a voltage detector (7) of a voltage stabilizing device (1) is compared with the preset voltage of a voltage ser switch (2) through a voltage comparison device (10); according to the comparison result, a contact (9b) of a booster part (9B) or a contact (9c) of a drop part (9C) of the output end coil (9) positioned on a transformer (3) can be switched step by step, thereby increasing or reducing the allowable electrifying cycle number of a metal wire (9). Magnetic bundle corresponding to the cycle number of the metal wire (9A) can be produced in the output end coil (9), current being proportionately with the magnetic bundle number flows in the output end coil (9), the output pressure can be boosted or dropped according to the comparison result, thereby facilitating the output pressure output by the output end retaining at preset voltage value.
Description
Technical field
The invention relates to a kind of can be with the predefined voltage stable-pressure device of supply capability stably, this device be arranged on have electronic device, the power supply unit of the factory of exact instrument, precision optical machinery or facility etc.
Background technology
At present, device as the electric power of supplying with setting voltage, for example, patent documentation 1 discloses a kind of battery saving arrangement, as shown in figure 10, on a side input end coil 22 that constitutes transformer 21, connected power supply 24 and a plurality of tap change-over switch 25 of supplying with rated voltage electric power, on the output terminal coil 23 of opposite side, connected load equipment 26, and output terminal coil 23 relative power supplys 24 are connected to input end coil 22 with being subtractive polarity.Use the switching device shifter of electromagnetic contactor or thyristor etc. to switch the tap change-over switch 25 of input end coil 22, thereby adjust the output voltage that supplies to load equipment 26.
But shown in Fig. 5 (a), metal wire 22a, the 23a that above-mentioned transformer 21 forms single metal is wrapped in input end and the output terminal of iron core 21a, thereby constitutes input end coil 22 and output terminal coil 23.Yet after the resistance value of having adjusted each coil 22,23, resistance can sharply increase during owing to energising, makes each coil 22,23 generate heat, thereby can cause faults such as circuit interruption or component function damage.
In addition, increase input end coil 22 and the number of turns of output terminal coil 23 and the number of tap change-over switch 25, can carry out fine adjustment, but must go up the part of twining metal wire 22a, 23a by lengthening iron core 21a output voltage.Increase owing to twine the length of part, the size of corresponding whole transformer 21 also can become greatly, causes device integral body to maximize.In addition, not only twining metal wire 22a, 23a needs more man-hour, and owing to need metal wire 22a, the 23a of large scale iron core 21a and long size, has improved manufacturing cost.
No. 3030612 communique of [patent documentation 1] Japan special permission
Summary of the invention
In view of the above problems, the purpose of this invention is to provide the stable-pressure device that a kind of output voltage that output terminal is exported remains on predefined setting voltage value.
The described stable-pressure device of claim 1, the setting voltage that this device is set by the service voltage and the voltage setting device of the detection of voltage comparator device comparative voltage pick-up unit, boost or step-down by the output voltage of voltage variable device according to comparative result simultaneously to output terminal output, control output voltage remains on setting voltage value, it is characterized in that, constitute and have at least one to dispose the metal wire that forms along its length by the multiple metal that resistance value is different and constitute in the input end coil of described voltage variable device and the output terminal coil, comparative result according to described voltage comparator device, regulate the permission energising number of turns of the metal wire that constitutes coil by described voltage variable device, thereby output voltage is boosted or step-down.
According to the present invention, when power is supplied to load equipment, detect the service voltage of electric power, and detection information is outputed to voltage comparator device by voltage check device.Voltage comparator device compares service voltage and the predefined setting voltage of voltage setting device that voltage check device detects.According to the comparative result of voltage comparator device, by the permission energising number of turns that the voltage variable device is regulated the metal wire that constitutes a lateral coil, thereby corresponding with the voltage difference of comparative result, the output voltage that output terminal is exported boosts or step-down.
Promptly, if output voltage is lower than setting voltage, then increase the permission energising number of turns of the metal wire that constitutes coil by the voltage variable device, just can on coil, produce the corresponding more flux of the permission energising number of turns with metal wire, and in coil, flow through and the proportional electric current of flux number, thereby corresponding with the voltage difference of above-mentioned comparative result, output voltage is boosted.In addition, if output voltage is higher than setting voltage, then reduce the permission energising number of turns of the metal wire that constitutes coil by the voltage variable device, just can on coil, produce the corresponding less flux of the permission energising number of turns with metal wire, and in coil, flow through and the proportional electric current of flux number, thereby corresponding with the voltage difference of above-mentioned comparative result, output voltage is carried out step-down.
Above-mentioned voltage setting device can be made of press fastening type, dial-type, lever voltage configuration switch etc.Voltage check device can be made of voltage-level detector, voltage detecting sensor, voltage detection switch etc.The voltage variable device can be made of the boosting section of transformer, step-down portion etc.In addition, voltage comparator device can be made of control circuit with CPU, ROM, RAM etc.
Stable-pressure device as claimed in claim 2, identical with the described structure of claim 1, it is characterized in that, described voltage variable device is made of boosting section and step-down portion, wherein boosting section is configured to increase metal wire and allows the contact of the boost terminal of the energising number of turns to boost to the output voltage corresponding with this coil number by switching to, and step-down portion is configured to reduce metal wire and allows the contact of the step-down end of the energising number of turns to be depressurized to the output voltage corresponding with this coil number by switching to.
The comparative result of voltage comparator device according to the present invention, the contact that constitutes the boosting section of voltage variable device is switched to the contact of the boost terminal that increases the metal wire permission energising number of turns, tackling output voltage mutually with the number of turns boosts, or the contact of step-down portion switched to reduce the contact that metal wire allows the step-down end of the energising number of turns, tackle output voltage mutually with the number of turns and carry out step-down.
Stable-pressure device as claimed in claim 3, identical with the described structure of claim 1, it is characterized in that described output terminal coil disposes the metal wire that forms along its length by the multiple metal that resistance value is different and constitutes.
The permission energising number of turns of the metal wire of the present invention by regulate constituting the output terminal coil, increase and decrease be along the number of turns of each metal energising of metal wire length direction configuration, thereby form and the corresponding resistance of the energising number of turns, boosts or be depressured to required output voltage values.
Stable-pressure device as claimed in claim 4, identical with the described structure of claim 1, it is characterized in that described input end coil is made of the metal wire that single metal forms, constitute and described output terminal coil disposes the metal wire that forms along its length by the multiple metal that resistance value is different.
According to the present invention, described identical with claim 2, by regulating the permission energising number of turns of the metal wire that constitutes the output terminal coil, increase and decrease is along the number of turns of each metal energising of metal wire length direction configuration, thereby form and the corresponding resistance of the energising number of turns, boost or be depressured to required output voltage values.
Stable-pressure device as claimed in claim 5, identical with the described structure of claim 4, it is characterized in that the number of turns of the metal wire that is formed by the different multiple metal of described resistance value is less than the number of turns of the metal wire that is formed by described single metal.
According to the present invention, the part that will be entwined by the metal wire that multiple metal forms shortens or reduces, thereby has realized the whole miniaturization of device.
Stable-pressure device as claimed in claim 6, identical with the described structure of claim 1, it is characterized in that described metal wire is formed from an end to the other end by the arranged in order that resistance value increases successively along the metal wire length direction by each metal.
According to the present invention, when metal wire is switched on,, thereby can boost or be depressured to required output voltage values because the different resistance value of each metal slowly increases or reduce.In addition, can also suppress the heating of metal wire.
Stable-pressure device as claimed in claim 7, identical with the described structure of claim 1, it is characterized in that described metal wire is formed by the irregular arranged in order of resistance value along the metal wire length direction by each metal.
According to the present invention, when metal wire was switched on, though the different resistance value of each metal is irregular, the resistance that requires to form when metal wire is switched in 7 with aforesaid right was roughly the same, and therefore can boost or be depressured to required output voltage values.
Stable-pressure device as claimed in claim 8, identical with the described structure of claim 1, it is characterized in that described metal wire is one group with multiple metal, and disposed some groups and constitute along the metal wire length direction.
The present invention is according to the permission of the metal wire energising number of turns, and increase and decrease is along each metal energising number of turns of some groups of metal wire length direction configuration, thereby the resistance value can regulate energising the time makes it slowly become big or reduces.
Stable-pressure device as claimed in claim 9, identical with the described structure of claim 1, it is characterized in that the various metals of described metal wire are made of metals such as the different soft copper of resistance value, hard copper, aluminium.
Among the present invention, the resistance value of soft copper, hard copper, aluminium that constitutes metal wire is different, therefore can increase lentamente or the resistance value when reducing to switch on.In addition, also can use with replacement aluminium such as duralumin.
Stable-pressure device as claimed in claim 10, identical with the described structure of claim 1, it is characterized in that, the output voltage and the predefined setting voltage of voltage setting device of the output terminal coil output that detects by voltage comparator device comparative voltage pick-up unit, and, boost or step-down by the output voltage of voltage variable device to the output of output terminal coil according to comparative result.
The setting voltage that the present invention sets by the output voltage and the voltage setting device of the detection of voltage comparator device comparative voltage pick-up unit, and according to comparative result, boost or step-down by the output voltage of voltage variable device, thereby can guarantee that output voltage maintains predefined setting voltage the output of output terminal coil.
Service voltage and the predefined setting voltage of voltage setting device that the present invention detects by voltage comparator device comparative voltage pick-up unit, constitute the permission energising number of turns of the metal wire of coil by the adjustment of voltage variable device according to comparative result, thereby the voltage difference according to above-mentioned comparative result is boosted or step-down to output voltage, guarantees that output voltage remains on predefined setting voltage.In addition, each metal that constitutes metal wire is slowly given resistance when energising, thereby the resistance of metal wire slowly strengthens, and can suppress the heating of metal wire, for example, can be able to prevent electronic device, exact instrument, precision optical machinery etc. because the fault that change in voltage causes.In addition, can not occur carrying out the phenomenon that output voltage is exported, have power savings with the high voltage or the low-voltage that are higher than setting voltage.
Description of drawings
Fig. 1 is a stable-pressure device one-piece construction synoptic diagram;
Fig. 2 is the structural representation of boosting section and step-down portion;
Fig. 3 is the boosting section electrical block diagram;
Fig. 4 is a step-down portion electrical block diagram;
Fig. 5 is the synoptic diagram that twines state with prior art (a) and the present invention's (b) metal wire;
Fig. 6 is the electrical block diagram of three-phase control device;
Fig. 7 is the enlarged diagram of the circuit structure of voltage configuration switch, self-hold-time's relay;
Fig. 8 is the enlarged diagram of the contact of voltage-level detector;
Fig. 9 is the electrical block diagram of Manual Transfer Switch;
Figure 10 is the battery saving arrangement structural representation of prior art.
The reference numeral explanation
1: stable-pressure device
2: the voltage configuration switch
3: transformer
4: self-hold-time's relay
6: Manual Transfer Switch
7: voltage-level detector
8: the input end coil
9: the output terminal coil
9A: metal wire
9Aa: soft copper
9Ab: hard copper
9Ac: duralumin
9B: boosting section
9C: step-down portion
9b, 9c: contact
10: voltage comparator device
Embodiment
Service voltage and the predefined setting voltage of voltage setting device that the present invention detects by voltage comparator device comparative voltage pick-up unit, and according to comparative result, the energising metal wire partly of regulating the coil of formation voltage variable device allows the energising number of turns, thereby realizes that the output voltage that output terminal is exported remains on the purpose of predefined setting voltage value.
Embodiment
With reference to accompanying drawing, one embodiment of the present of invention are elaborated.
Accompanying drawing is depicted as the stable-pressure device that the output voltage that can make the electric power that outputs to load equipment remains on predefined setting voltage value, Fig. 1～Fig. 9 is the three-phase circuit diagram that constitutes stable-pressure device 1 of the present invention, and composition comprises: to being connected the voltage configuration switch 2 that output voltage that the output terminal that do not have illustrated load equipment exports is set, the service voltage that is connected the input end that does not have illustrated power supply boosts or the transformer 3 of step-down to supplying to, self-hold-time's relay 4 of supply capability in the predefined time, the pilot lamp 5 that shows the electric power supply condition, the Manual Transfer Switch 6 of manual switchover voltage, the voltage-level detector 7 of the output voltage of output terminal coil 9 outputs of detection output terminal, the voltage comparator device 10 of the blocked operation of boosting section 9B that the output voltage that control is exported output terminal coil 9 boosts and the 9C of step-down portion that this output voltage is carried out step-down.
As Fig. 2, Fig. 3, shown in Figure 4, transformer 3 has the service voltage that is connected the input end input that does not have on the illustrated power supply etc. is boosted or the input end coil 8 of step-down and the output voltage that outputs to output terminal boosted or the output terminal coil 9 of step-down, and is connected to the power supply of input end by residual current circuit breaker 11 and motor isolating switch 12.
In addition, voltage configuration switch 2 that the output voltage that outputs to output terminal is manually set and the voltage configuration switch 13 that the minimum voltage that outputs to output terminal is manually set have been connected on the transformer 3.
Embodiments of the invention describe the structure that is used to make the every rising of output voltage of output terminal output or reduce 1V.
Shown in Fig. 5 (a), input end coil 8 metal wire 8A by forming by single metal, on the input end of the iron core 3a that looks " mouth " font from the side with the spiral fashion winding and constitute.
In addition, according to the comparative result of voltage comparator device 10, be provided with respectively the raise boost terminal contact 9b of boosting section 9B of 1V of the output voltage that to output to output terminal every a fixing turn on the output terminal coil 9 ... step-down tip node 9c with the 9C of step-down portion that this output voltage is respectively reduced 1V ...
Promptly, comparative result according to voltage comparator device 10, contact 9b with boosting section 9B ... switch to step by step+1V～+ 10V, thereby increase by regulating the permission energising number of turns that makes metal wire 9A step by step, in output terminal coil 9, produce the corresponding more flux (magnetic flux) of the permission energising number of turns with metal wire 9A, make and flow through in the output terminal coil 9 and the proportional electric current of this flux number, can the output voltage that output to output terminal be boosted according to the voltage difference of above-mentioned comparative result.And if the energising of metal wire 9A distance is elongated, energising distance therewith is corresponding, and the number of turns that flows through each metal of soft copper 9Aa, hard copper 9Ab, duralumin 9Ac also increases, thereby the resistance of giving during energising also will slowly increase.
In addition, contact 9c with the 9C of step-down portion ... switch to step by step-1V～-24V, thereby reduce by regulating the permission energising number of turns that makes metal wire 9A step by step, in output terminal coil 9, produce the corresponding less flux of the permission energising number of turns with metal wire 9A, make and flow through in the output terminal coil 9 and the proportional electric current of this flux number, can carry out step-down to the output voltage that outputs to output terminal according to the voltage difference of above-mentioned comparative result.And if the energising of metal wire 9A distance shortens, energising distance therewith is corresponding, and the number of turns that flows through each metal of soft copper 9Aa, hard copper 9Ab, duralumin 9Ac also reduces, thereby the resistance of giving during energising also will slowly reduce.
Generally speaking, comparative result according to voltage comparator device 10, contact 9b by switching to boosting section 9B or the contact 9c of the 9C of step-down portion, the number of turns of the permission energising number of turns of increase and decrease metal wire 9A and the energising of each metal, thereby in output terminal coil 9, produce the flux corresponding with the number of turns of metal wire 9A, and in output terminal coil 9, flow through and the proportional electric current of flux number (flux lock intersection number), the output voltage that can step by step output terminal be exported raises or reduces 1V.
Be less than the metal wire 8A that constitutes input end coil 8 even constitute the metal wire 9A number of turns of output terminal coil 9, also can boost or be depressured to desired output voltage by being adjusted to necessary flux number.
As a result, shown in Fig. 5 (b), shorten or reduce iron core 3a itself etc., can realize the miniaturization of stable-pressure device 1 and transformer 3 by the part of iron core 3a being twined metal wire 9A.In addition, therefore the number of turns of metal wire 9A can seldom can improve the work efficiency of twining metal wire 9A, and reduces manufacturing cost.
Voltage comparator device 10 by the electric power of in the predefined time, directly power supply being supplied with from input end supply to the pilot lamp 5 of self-hold-time's relay 4, the expression electric power supply condition of output terminal, voltage of power that the manual switchover input end supplies to output terminal Manual Transfer Switch 6, detect the voltage-level detector 7 of the output voltage that outputs to output terminal, startup by self-hold-time's relay 4 directly constitutes to the contact portion 14 of output terminal supply capability from input end.The circuit diagram of R phase as shown in Figure 3, Figure 4, S phase, T phase is identical, and the circuit formation of other each phase also has same structure.
In addition, as Fig. 6, shown in Figure 7, voltage comparator device 10 is provided with voltage-level detector 7 mutually respectively at each ... with self-hold-time's relay 4 ... the output voltage and the voltage configuration switch 2 predefined setting voltages of the output terminal that comparative voltage detecting device 7 detects make the output voltage that outputs to the load equipment of output terminal from the contact 9c of the joint 9b of boosting section 9B or the 9C of step-down portion remain on setting voltage value.Control circuit switch 15 shown in Figure 6 is to be used for the switch that initialization circuit starts or closes.
Illustrated embodiment has said structure, and the control method that the output voltage that makes output terminal output by stable-pressure device 1 is remained on predefined setting voltage value describes below.
At first, as Fig. 1, Fig. 6, shown in Figure 7, start-up control contactor 15, the voltage-level detector 7 that each is provided with mutually ... with self-hold-time's relay 4 ... be in holding state.Input end rated voltage for power supply input is the situation of 100V, for the output voltage of the output terminal that will output to load equipment remains on predefined setting voltage value, by voltage configuration switch 2 setting voltage manually is set at 95V.
Detect the output voltage that output terminal coil 9 is exported by voltage-level detector 7, simultaneously detection information is outputed to voltage comparator device 10.
Output voltage and voltage configuration switch 2 predefined setting voltages by 7 detections of voltage comparator device 10 comparative voltage detecting devices, and according to comparative result, the contact 9b of switching boosting section 9B or the contact 9c of the 9C of step-down portion boost the output voltage that outputs to output terminal or step-down is a required voltage.
Promptly, judge when output voltage is higher than setting voltage, switch the contact 9c of the 9C of step-down portion that constitutes output terminal coil 9 step by step ... thereby, reduce by regulating the permission energising number of turns that makes metal wire 9A step by step, make the voltage difference of the corresponding above-mentioned comparative result of output voltage carry out step-down.
In addition, judge when output voltage is lower than setting voltage, switch the contact 9b of boosting section 9B step by step ... thereby, increase by regulating the permission energising number of turns that makes metal wire 9A step by step, the voltage difference of the corresponding above-mentioned comparative result of output voltage is boosted.As a result, the output voltage of output terminal output can be remained on the setting voltage of voltage configuration switch 2 predefined 95V, situation can not occur with the high voltage that is higher than setting voltage or the low-voltage output supply capability that is lower than setting voltage.
When the output voltage of output terminal coil 9 output of transformer 3 was set at 95V, if the output voltage of output terminal coil 9 is exported with 101V, then as Fig. 2, shown in Figure 4, the 9C of step-down portion switched to-the contact 9c of 6V, and make output terminal coil 9 export the 95V voltages.If the output voltage of output terminal coil 9 is exported with 98V, then the 9C of step-down portion is switched to-the contact 9c of 3V, make output terminal coil 9 output 95V voltages.
In addition, if the output voltage of output terminal coil 9 is 92V, then as Fig. 2, shown in Figure 3, boosting section 9B is switched to+the contact 9b of 3V, the voltage that makes output terminal coil 9 output to load equipment remains at the setting voltage of 95V.
When the rated voltage of power supply input is supplied with the rated voltage of 200V,, setting voltage manually is set at 195V by voltage configuration switch 2 for the output voltage that will output to output terminal remains on predefined setting voltage value.
Identical with above-mentioned situation, detect the output voltage that output terminal coil 9 is exported by voltage-level detector 7, simultaneously detection information is outputed to voltage comparator device 10.
Output voltage and voltage configuration switch 2 predefined setting voltages by 7 detections of voltage comparator device 10 comparative voltage detecting devices, and according to comparative result, the contact 9b of the boosting section 9B of switching formation output terminal coil 9 or the contact 9c of the 9C of step-down portion boost the output voltage that outputs to output terminal or step-down is a required voltage.
Promptly, judge when output voltage is higher than setting voltage, switch the contact 9c of the 9C of step-down portion that constitutes output terminal coil 9 step by step ... thereby, reduce by regulating the permission energising number of turns that makes metal wire 9A step by step, make the voltage difference of the corresponding above-mentioned comparative result of output voltage carry out step-down.
In addition, judge when output voltage is lower than setting voltage, switch the contact 9b of boosting section 9B step by step ... thereby, increase by regulating the permission energising number of turns that makes metal wire 9A step by step, the voltage difference of the corresponding above-mentioned comparative result of output voltage is boosted.As a result, the output voltage of output terminal output can be remained on the setting voltage of voltage configuration switch 2 predefined 195V, situation can not occur with the high voltage that is higher than setting voltage or the low-voltage output supply capability that is lower than setting voltage.
When the output voltage of output terminal coil 9 output of transformer 3 was set at 195V, if the output voltage of output terminal coil 9 is exported with 207V, then as Fig. 2, shown in Figure 4, the 9C of step-down portion switched to-the contact 9c of 12V, and make output terminal coil 9 export the 195V voltages.If the output voltage of output terminal coil 9 is exported with 203V, then the 9C of step-down portion is switched to-the contact 9c of 8V, make output terminal coil 9 output 195V voltages.
In addition, if the output voltage of output terminal coil 9 is 192V, then as Fig. 2, shown in Figure 3, boosting section 9B is switched to+the contact 9b of 3V, the voltage that makes output terminal coil 9 output to load equipment remains at the setting voltage of 195V.
When switching the contact 9c of the contact 9b of boosting section 9B or the 9C of step-down portion respectively, the startup by self-hold-time's relay 4 connects contact portion 14, with the service voltage of input end directly to the output terminal supply capability.During electric power directly supplied to output terminal, pilot lamp 5 was lighted, expression electric power supply condition.
Detect the voltage error of output voltage and setting voltage by voltage-level detector, revise, make output terminal output setting voltage, therefore when the contact 9c of contact 9b that switches boosting section 9B respectively or the 9C of step-down portion, self-hold-time's relay 4 ... with self-sustaining, opening circuit of moment directly to the output terminal supply capability, appear with the service voltage of input end when preventing respectively two-way contact 9b or contact 9c.
At this moment, change-over switch 6a, the 6b of the Manual Transfer Switch 6 that manual operation is shown in Figure 9,6c switches to starting state with contactor, and then the output voltage of output terminal output power will switch to the service voltage of input end.
For example, rated voltage is the service voltage of the input end of 100V when being 107V, and voltage-level detector 7 as shown in Figure 8 is in starting state, and contact 1-2,3-4,5-6 also are in starting state.Like this, self-hold-time's relay 4 will start, two-way contact portion 14, thus the service voltage of input end directly supplies to output terminal, the infringement that in the time of can overcoming the contact of switched voltage detecting device 7 exact instrument or precision optical machinery is caused.
In addition, when the contact 9b of switching boosting section 9B or the contact 9c of the 9C of step-down portion, because the startup by self-hold-time's relay 4 connects contact portion 14, can be when two-way contact 9b or contact 9c from input end to the direct supply capability of output terminal, the phenomenon that opens circuit because of two-way contact 9b or contact 9c can not appear, can with voltage configuration switch 2 predefined voltages continuously, supply capability stably.
In addition, if change-over switch 6a, the 6b of manually opened Manual Transfer Switch 6, just can be with input terminal voltage to the direct supply capability of output terminal.In case voltage-level detector 7 starts, self-hold-time's relay 4 will start automatically and connect contact portion 14, light pilot lamp 5 and from input end to the output terminal supply capability.In addition, even the function of voltage-level detector 7 is damaged, as long as manual switchover change-over switch 6a, 6b,, just can overcome the influence that exact instrument or precision optical machinery are caused with the direct supply capability of predefined voltage.
As mentioned above, the output voltage and the voltage configuration switch 2 predefined setting voltages of the output terminal coil 9 that detects by voltage comparator device 10 comparative voltage detecting devices 7, and according to comparative result, switch the contact 9b of the boosting section 9B that is arranged on transformer 3 output terminal coils 9 step by step ... or the contact 9c of the 9C of step-down portion ... it is the permission energising number of turns of the metal wire 9A of scalable formation output terminal coil 9, the output voltage of output terminal being exported according to the voltage difference of above-mentioned comparative result boosts or step-down, thereby makes the output voltage of output terminal output remain on predefined setting voltage.In addition, by electric current the time, will slowly give resistance owing to constitute each metal of metal wire 9A, the resistance of metal wire 9A slowly increases, thereby can suppress the heating of metal wire 9A, prevents that electronic device, exact instrument, precision optical machinery etc. are owing to change in voltage breaks down.In addition, can not occur carrying out the situation that supply capability is exported, have power savings with the high voltage or the low-voltage that are higher than setting voltage.
Structure of the present invention is as follows with the corresponding relation of the foregoing description: voltage setting device of the present invention is corresponding with the voltage configuration switch 2 of embodiment, voltage check device is corresponding with voltage-level detector 7, the voltage variable device is corresponding with the boosting section 9B and the 9C of step-down portion of output terminal coil 9, voltage comparator device is corresponding with voltage comparator device 10, the present invention is not limited to the structure of the foregoing description, can use based on the described technological thought of claims, and obtain a lot of embodiments.
For example, can relatively supply to the service voltage and the voltage configuration switch 2 predefined setting voltages of input end coil 8, and according to comparative result, the output voltage that the output terminal coil 9 of transformer 3 is exported boosts or step-down by voltage comparator device 10.
In addition, constitute soft copper 9Aa, hard copper 9Ab, the duralumin 9Ac of metal wire 9A, can be by the arranged in order of soft copper 9Aa, duralumin 9Ac, hard copper 9Ab, or the arranged in order of pressing hard copper 9Ab, duralumin 9Ac, soft copper 9Aa, or the arranged in order of pressing duralumin 9Ac, soft copper 9Aa, hard copper 9Ab, each metallic resistance value is disposed brokenly, can access effect and the effect approaching equally with the foregoing description.
In addition, the metal wire 8A of input end coil 8 also can dispose metals such as soft copper 9Aa, hard copper 9Ab, duralumin 9Ac along its length and constitute, thereby aspect 9 liang of input end coil 8 and output terminal coils, carry out voltage-regulation, only compare situation at the output terminal regulation voltage, can reduce the degree of amplitude modulation of voltage, realize required output voltage thereby can finely tune.
Stable-pressure device of the present invention be applicable to have exact instrument, the power supply unit of the factory of precision optical machinery or other facility.
Claims (10)
1. stable-pressure device, the setting voltage that this device is set by the service voltage and the voltage setting device of the detection of voltage comparator device comparative voltage pick-up unit, boost or step-down by the output voltage of voltage variable device according to comparative result simultaneously to output terminal output, control output voltage remains on setting voltage value, it is characterized in that, constitute and have at least one to dispose the metal wire that forms along its length by the multiple metal that resistance value is different and constitute in the input end coil of described voltage variable device and the output terminal coil, comparative result according to described voltage comparator device, regulate the permission energising number of turns of the metal wire that constitutes coil by described voltage variable device, thereby output voltage is boosted or step-down.
2. stable-pressure device as claimed in claim 1, it is characterized in that, described voltage variable device is made of boosting section and step-down portion, wherein boosting section is configured to increase metal wire and allows the contact of the boost terminal of the energising number of turns to boost to the output voltage corresponding with this coil number by switching to, and step-down portion is configured to reduce metal wire and allows the contact of the step-down end of the energising number of turns to be depressurized to the output voltage corresponding with this coil number by switching to.
3. stable-pressure device as claimed in claim 1 is characterized in that, described output terminal coil disposes the metal wire that forms along its length by the multiple metal that resistance value is different and constitutes.
4. stable-pressure device as claimed in claim 1 is characterized in that, described input end coil is made of the metal wire that single metal forms, and constitutes and described output terminal coil disposes the metal wire that forms along its length by the multiple metal that resistance value is different.
5. stable-pressure device as claimed in claim 4 is characterized in that, the number of turns of the metal wire that is formed by described multiple metal is less than the number of turns of the metal wire that is formed by described single metal.
6. stable-pressure device as claimed in claim 1 is characterized in that described metal wire is formed from an end to the other end by the arranged in order that resistance value increases successively along the metal wire length direction by each metal.
7. stable-pressure device as claimed in claim 1 is characterized in that, described metal wire is formed by the irregular arranged in order of resistance value along the metal wire length direction by each metal.
8. stable-pressure device as claimed in claim 1 is characterized in that, described metal wire is one group with multiple metal, and has disposed some groups and constitute along the metal wire length direction.
9. stable-pressure device as claimed in claim 1 is characterized in that, the various metals of described metal wire are made of metals such as the different soft copper of resistance value, hard copper, aluminium.
10. stable-pressure device as claimed in claim 1, it is characterized in that, the output voltage and the predefined setting voltage of voltage setting device of the output terminal coil output that detects by voltage comparator device comparative voltage pick-up unit, and, boost or step-down by the output voltage of voltage variable device to the output of output terminal coil according to comparative result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101618134A CN101196752A (en) | 2006-12-04 | 2006-12-04 | Voltage stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101618134A CN101196752A (en) | 2006-12-04 | 2006-12-04 | Voltage stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101196752A true CN101196752A (en) | 2008-06-11 |
Family
ID=39547201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101618134A Pending CN101196752A (en) | 2006-12-04 | 2006-12-04 | Voltage stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101196752A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102597902A (en) * | 2009-11-16 | 2012-07-18 | 欧姆龙株式会社 | Voltage setting device, photovoltaic power generation system, and control method of voltage setting device |
| CN105048302A (en) * | 2015-07-10 | 2015-11-11 | 芜湖市晨曦新型建材科技有限公司 | Solar-based voltage-stabilizing distribution box |
| CN107820586A (en) * | 2016-11-02 | 2018-03-20 | 苏州梦尔端电气科技有限公司 | Stable-pressure device |
| CN113053680A (en) * | 2021-03-30 | 2021-06-29 | 铜陵日科电子有限责任公司 | Quick auto-change over device of transformer |
-
2006
- 2006-12-04 CN CNA2006101618134A patent/CN101196752A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102597902A (en) * | 2009-11-16 | 2012-07-18 | 欧姆龙株式会社 | Voltage setting device, photovoltaic power generation system, and control method of voltage setting device |
| CN102597902B (en) * | 2009-11-16 | 2014-07-30 | 欧姆龙株式会社 | Voltage setting device, photovoltaic power generation system, and control method of voltage setting device |
| CN105048302A (en) * | 2015-07-10 | 2015-11-11 | 芜湖市晨曦新型建材科技有限公司 | Solar-based voltage-stabilizing distribution box |
| CN107820586A (en) * | 2016-11-02 | 2018-03-20 | 苏州梦尔端电气科技有限公司 | Stable-pressure device |
| CN107820586B (en) * | 2016-11-02 | 2019-11-19 | 杨晓丹 | Stable-pressure device |
| CN113053680A (en) * | 2021-03-30 | 2021-06-29 | 铜陵日科电子有限责任公司 | Quick auto-change over device of transformer |
| CN113053680B (en) * | 2021-03-30 | 2022-07-29 | 铜陵日科电子有限责任公司 | Quick auto-change over device of transformer |
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Open date: 20080611 |