Патент USA US2409152код для вставки
0a‘ 3, 1946., ' D. H. ROGéRS '. 2,409,151 ELECTRICAL REGULATING DEVICE Filed Feb. 2,- 194a , INVENTOR. > D. H Ease/2s ’ BY Arron/v5)’ 2,409,151 Patented Oct. 8, 1946 ; fU‘N-I’TED‘ STATE-S PATENT ] oer-"ice } ] 2,409,151 E's-sermon nEGULAfrING ‘DEVICE inonaia‘n. ‘Western ‘Rogers, 1 Electric Jersey =Company, City,Incorporated, J., 'assignor New Yorlcl‘l.v Y., a comet ation-of New York Application February 2, 19431, lseriai‘no. 1414,4117 , 1; Claims. (014114312) This invention relates to electrical regulating 7 devices and more particularly tofa voltage regu lating- device. ' ' An object of the invention is toprovide an ef the Voltage‘ will tend to drop due to the'impédance 9 andthe impedance of ‘the vsupply circuit; This ' will decrease the ‘potential applied to the .plate of the tube 10 and the potential applied'to the neon tubes is similarly reduced. This latter causes, at the same time, a reduction'in the'po In accordance with one embodiment of this tential applied to the grid of the tube 10 and, invention, a voltage regulating device for a cur while this reduction is substantially in the same rent supply circuit may be provided comprising a proportion as the reduction in the voltage applied zero bias triode vacuum tube connected across the to the plate of the tube, because of the amplifying current supply circuit and one or more inter 10 effect of the triode tube, the reduction in the connected gas discharge tubes connected across voltage on the grid causes a greatly ampli?ed re the plate and grid of the tube. duction in the current shunted by the tube, thus Other objects and advantages of this inven tending to compensate for the increased load on tion will be apparent from the following detailed the output terminals. An output resistor I! may description taken in conjunction with the draw be connected in parallel with the output of this ing wherein the single ?gure shows a circuit dia power supply circuit. gram of a voltage regulating system constructed Since the voltage drop in the supply circuit, in in accordance with one embodiment of this in cluding the choke 9, is a function of the current vention. through it, it will be apparent that as the load For some purposes in electrical apparatus and increases and, consequently, the output voltage particularly in radio apparatus, it may be desir tends to decrease, the current ?owing across the able to maintain a substantially constant voltage triode tube is reduced in greater ratio than the at varying current loads. The circuit shown and output voltage, thereby reducing the current described herein provides a substantially constant ?owing through the supply circuit, and, conse voltage over a wide range of operating conditions, quently, tending to compensate for the falling off the operating range being readily variable by of the output voltage due to the increase in the increasing or reducing the number of gas dis load. On the other hand, as the load decreases charge tubes in the grid circuit. and the output voltage tends to increase, the grid Referring now to the drawing, a current recti circuit becomes more positive with respect to the 30 fying and regulating circuit is there shown con cathode in the triode tube Ill and more current nected to an alternating current supply through will flow between the plate and the cathode, a transformer 5. A full wave recti?er tube 6, of thus increasing the current ?owing through the standard design, is connected to the secondary of supply circuit. Consequently, the voltage drop the transformer 5 and a, pair of ?lter condensers in the supply circuit will increase and tend to 1 and 8 are connected in parallel with the output compensate for the rise in voltage due to the de of the recti?er tube. A ?lter choke 9 is connected crease in the load. In practice the output volt in series on the positive side of the recti?ertube. age will remain substantially constant over a wide A triode tube In, having a high ampli?cation range of loads. factor, is connected in parallel with the output of By increasing or reducing the number of neon the recti?er 6, as shown in the drawing, and four tubes in the grid circuit, it will be apparent that neon tubes H of the type that have no resistance the operating range may be altered considerably, in the base and which have a suitable watt rat a larger number of tubes being used where higher ing are interconnected in. series and shunted voltages are desired. For this purpose a switch across the plate and the grid of the trlode tube, l5 ls provided to remove the fourth neon tube thus providing a relatively lower voltage on the 45 from the circuit if required. grid than on the plate of the tube. When employ While but one embodiment of this invention has ing a su?icient number of series connected neon been shown and described, it will be understood tubes, the tubes present a very high resistance. that many changes and modi?cations may be However, because of the extremely low current, made therein without departing from the spirit 50 the IR drop across the tubes is proportionately and scope of the present invention. small and, thus, somewhat less voltage is applied What is claimed is: to the grid of the tube l0 than is applied to the 1. A voltage regulating device comprising a fective voltage regulating device. plate. In the operation of this circuit, when an in current supply circuit having impedance, a triode tube connected across said supply, and a neon creased load is taken from the output terminals, 55 2,409,151 tube connected between the grid and the plate of said tube. 2. A voltage regulating device for a circuit hav ing an impedance therein comprising a translat ing device having an anode and cathode connected in shunt across said circuit, and a grid circuit including ‘a. gas discharge device connected to said anode whereby the grid voltage will vary in a plate, a grid and a cathode, and a grid circuit including a neon tube connected to the negative side of said impedance for maintaining the volt age on said grid below the voltage on said plate, the voltage drop due to said impedance being variable with the current flowing in said trans lating device, 5. A voltage regulating device comprising a accordance with the variation of the anode volt current supply circuit having impedance, a trans age to maintain a substantially constant volt 10 lating device connected in parallel with said cur age in the circuit being regulated. rent supply, said translating device comprising a 3. A voltage regulating device comprising a plate, a grid, and a cathode, and means for main current supply circuit having impedance, a trans taining the voltage on said grid below the volt lating device connected in parallel with said cur age on said plate, said means including a gas rent supply, a grid associated with said trans discharge device, the voltage drop due to said lating device for controlling the amount of cur impedance being variable with the current ?ow rent shunted thereby, and a grid circuit includ ing in said translating device. ing a neon tube connected to the negative side of 6. A device to regulate the voltage of a. circuit said impedance the amount of current shunted increasing with increasing voltage, the voltage drop due to said impedance being variable with the current flowing in said translating device. 4. A voltage regulating device comprising a current supply circuit having impedance, a trans lating device connected in parallel with said cur rent supply, said translating device comprising having impedance, the device comprising a tube having a plate connected to one side of the cir cuit and a cathode connected to the other side of the circuit and a grid between the plate and the cathode, and a neon tube connected at one side to the grid and at the other side to that side of the circuit to which the plate is connected. DONALD H. ROGERS.