CN2482268Y - DC high-voltage power supply for field exploration - Google Patents

Abstract

The utility model provides a direct current high voltage power supply technical proposal for the field exploration. The proposal mainly comprises a case body and a face plate, and a low voltage small energy battery arranged inside the case body. The proposal is characterized in that a power switch, a power indicating lamp, and two output terminals are arranged on the face plate, a circuit board is arranged inside the case body, a high frequency oscillation circuit which comprises an integrated circuit and an electrical element, a boost rectifying circuit, a high voltage rated regulating circuit, an electric energy storage circuit, and a constant current circuit are arranged on the circuit board; in addition, a battery, a plurality of power switches connected in series, and a power indicating lamp form a power supply battery circuit for providing a positive 6 V power supply.

Description

A kind of ground observation DC high-voltage power supply

The utility model relates to a kind of DC high-voltage power supply, especially a kind of ground observation DC high-voltage power supply.

When carrying out ground observation with DC electrical method, for setting up artificial detection electric field, need infeed tens to a few hectovolt direct currents to the earth, in order to obtain this high voltage, normally adopt three kinds of methods in the prior art: a kind of is that a plurality of battery strings are coupled to required voltage; A kind of is to adopt the method for inversion to convert low pressure to high pressure; A kind of is to adopt generator.Said method all has common defective, is exactly that volume is big, heavy, useful life is short and cost is high.

The purpose of this utility model, be exactly at the existing in prior technology deficiency, and provide a kind of ground observation DC high-voltage power supply technical scheme, the high voltage of electrical prospecting power reguirements, big electric current, power-on time weak point, long characteristics of power supply of intermittent time are analyzed in this scheme utilization, adopt low-voltage battery, obtain high pressure and instantaneous large-current can satisfy power reguirements by inversion, and have volume little, in light weight, portably use convenient and safeguard simple DC high-voltage power supply.

This programme is realized by following technical measures.Mainly include casing and panel, and the little energy cell of the low pressure in casing, the characteristics of this programme are that mains switch SW, power supply indicator S and two lead-out terminals are arranged on described panel, in described casing, above the battery, circuit board is arranged, on this circuit board by the high-frequency oscillating circuits of forming by integrated circuit and electric component, boost rectifying circuit, high voltage ratings regulating circuit, electric energy step-by-step counter and constant-current circuit; In addition, by the minus earth of described battery, anodal serial connection mains switch and power supply indicator are formed the supplying cell circuit, and positive 6V power supply is provided.The concrete characteristics of this programme also have, described high-frequency oscillating circuits is made up of integrated circuit (IC) 2 and field effect transistor Q2,8 pin of integrated circuit (IC) 2 meet positive 6V, the positive 6V other end of resistance R 1 one terminations also meets diode D1 and resistance R 2 and receive 7 pin and 2 of IC2,6 pin, 2,6 foot meridian capacitor C8 ground connection, the 5 foot meridian capacitor C7 ground connection of IC2,1 pin ground connection, the output of 3 pin connects the grid G of field effect transistor Q2 simultaneously through voltage stabilizing didoe D4 ground connection, the source S ground connection of Q2, anode D connects the elementary end of transformer B of boost rectifying circuit, the other end of B meets positive 6V through inductance L 1, the two ends of L1 have capacitor C 9 and C10 ground connection respectively, and positive 6V also has capacitor C 4 ground connection, and 4 pin of IC2 connect 3 pin of IC1 output in the high voltage ratings regulating circuit.Described boost rectifying circuit and electric energy step-by-step counter, boost rectifying circuit is made up of step-up transformer B and rectifier diode D2, the secondary end ground connection of B, another is rectified and to meet diode D2 and output to the electric energy step-by-step counter, the electric energy step-by-step counter is made up of capacitor C 11, C2, the C1 ground connection of three parallel connections, wherein capacitor C 1 and C2 are high withstand voltage jumbo energy storage capacitors, and its output connects the collector electrode of the triode T of constant-current circuit.Described constant-current circuit is made up of triode T and voltage stabilizing didoe D6, and the emitter of T meets in the lead-out terminal one through R10, connects the base stage of T again through D6, and base stage connects the collector electrode of T again through resistance R 9, another lead-out terminal ground connection.Described high voltage ratings regulating circuit is made up of integrated circuit (IC) 1,8 pin of IC1 meet positive 6V, 4 pin meet positive 6V through resistance R 4,4 pin that 3 pin output to IC2 in the high-frequency oscillating circuits meet positive 6V through resistance R 7 simultaneously, 1 pin ground connection, 5 foot meridian capacitor C6 ground connection, 2,6 pin connect the collector electrode of triode T in the constant-current circuit simultaneously through potentiometer W1 through parallel resistor R3 and capacitor C 5 ground connection.On described circuit board, also has overvoltage crowbar; this circuit is made up of field effect transistor Q1 and diode D3 voltage stabilizing didoe D5; the negative pole of D5 connects the collector electrode of triode T in the constant-current circuit; the anode of D5 is just meeting diode D3 simultaneously through resistance R 5 ground connection; the negative pole of D3 connects the grid G of Q1 simultaneously through resistance R 6 through resistance R 8 ground connection; grid G is again through capacitor C 3 ground connection, the source S ground connection of Q1, and anode D connects 4 pin of IC2 in the high-frequency oscillating circuits.IC1 in the described high-frequency oscillating circuits in IC2 and the high voltage ratings regulating circuit is that the model that adopts is the integrated circuit of NE555.Described energy storage capacitor C1 and C2 are employing capacity 6800 microfarads, the electrolytic capacitor of withstand voltage 450V.

According to as can be known to the narration of such scheme; because low-voltage battery and circuit board are arranged in this scheme; high-frequency oscillating circuits is arranged on circuit board; boost rectifying circuit; the high voltage ratings regulating circuit; the electric energy step-by-step counter; constant-current circuit and overvoltage crowbar; this can become direct current into alternating current by high-frequency oscillating circuits with the low-voltage of battery; by the transformer in the boost rectifying circuit alternating current is boosted again and be rectified into high voltage direct current; this high voltage direct current is given the charging of the energy storage capacitor in the electric energy step-by-step counter; in use; energy storage capacitor discharges by constant-current circuit; high-tension instantaneous large-current can be provided, satisfy the needs of exploration electricity consumption.The high voltage ratings regulating circuit then is that the control high-frequency oscillating circuits ensures to the high voltage that 400V is set in the energy storage capacitor charging; when charging voltage is too high; then overvoltage crowbar reduces charging voltage with regard to the may command high-frequency oscillating circuits, makes energy storage capacitor can reach stable output 400V voltage.Because this programme adopted the battery and the circuit board of the little energy of low-voltage, so can make the volume of high-voltage DC power supply do very for a short time, and weight is also lighter, is easy to carry and operates, and the life-span of use is also longer.This shows that the utility model compared with prior art has substantive distinguishing features and progress, its implementation result also is conspicuous.

For clearly demonstrating the technical characterstic of this programme,, and, this programme is set forth in conjunction with its accompanying drawing below by a specific embodiment.

Description of drawings:

Fig. 1 is the part sectional structure schematic diagram of the utility model embodiment;

Fig. 2 is the circuit diagram of the utility model embodiment.

By accompanying drawing as can be seen, the ground observation DC high-voltage power supply of this programme, mainly include casing 4 and panel 1, and the little energy cell 7 of the low pressure in casing 4, the characteristics of this programme are that mains switch 2, power supply indicator 5 and two lead-out terminals 3 are arranged on described panel 1, in described casing 4, above the battery 7, circuit board 6 is arranged, on this circuit board 6 by the high-frequency oscillating circuits of forming by integrated circuit and electric component 9, boost rectifying circuit 11, high voltage ratings regulating circuit 12, electric energy step-by-step counter 13 and constant-current circuit 14; In addition, by the minus earth of described battery 7, anodal serial connection mains switch 2 and power supply indicator 5 are formed supplying cell circuit 8, and positive 6V power supply is provided.Described high-frequency oscillating circuits 9 is made up of integrated circuit (IC) 2 and field effect transistor Q2,8 pin of integrated circuit (IC) 2 meet positive 6V, the positive 6V other end of resistance R 1 one terminations also meets diode D1 and resistance R 2 and receive 7 pin and 2 of IC2,6 pin, 2,6 foot meridian capacitor C8 ground connection, the 5 foot meridian capacitor C7 ground connection of IC2,1 pin ground connection, the output of 3 pin connects the grid G of field effect transistor Q2 simultaneously through voltage stabilizing didoe D4 ground connection, the source S ground connection of Q2, anode D connects the elementary end of transformer B of boost rectifying circuit 11, the other end of B meets positive 6V through inductance L 1, the two ends of L1 have capacitor C 9 and C10 ground connection respectively, positive 6V also has capacitor C 4 ground connection, and 4 pin of IC2 connect 3 pin of IC1 output in the high voltage ratings regulating circuit 12.Described boost rectifying circuit 11 and electric energy step-by-step counter 13, boost rectifying circuit 11 is made up of step-up transformer B and rectifier diode D2, the secondary end ground connection of B, another is rectified and to meet diode D2 and output to electric energy step-by-step counter 13, electric energy step-by-step counter 13 is made up of capacitor C 11, C2, the C1 ground connection of three parallel connections, wherein capacitor C 1 and C2 are high withstand voltage jumbo energy storage capacitors, and its output connects the collector electrode of the triode T of constant-current circuit 14.Described constant-current circuit 14 is made up of triode T and voltage stabilizing didoe D6, and the emitter of T meets in the lead-out terminal 3 one through R10, connects the base stage of T again through D6, and base stage connects the collector electrode of T again through resistance R 9, another lead-out terminal 3 ground connection.Described high voltage ratings regulating circuit 12 is made up of integrated circuit (IC) 1,8 pin of IC1 meet positive 6V, 4 pin meet positive 6V through resistance R 4,4 pin that 3 pin output to IC2 in the high-frequency oscillating circuits 9 meet positive 6V through resistance R 7 simultaneously, 1 pin ground connection, 5 foot meridian capacitor C6 ground connection, 2,6 pin connect the collector electrode of triode T in the constant-current circuit 14 simultaneously through potentiometer W1 through parallel resistor R3 and capacitor C 5 ground connection.On described circuit board 6, also has overvoltage crowbar 10; this circuit is made up of field effect transistor Q1 and diode D3 voltage stabilizing didoe D5; the negative pole of D5 connects the collector electrode of triode T in the constant-current circuit 14; the anode of D5 is just meeting diode D3 simultaneously through resistance R 5 ground connection; the negative pole of D3 connects the grid G of Q1 simultaneously through resistance R 6 through resistance R 8 ground connection; grid G is again through capacitor C 3 ground connection, the source S ground connection of Q1, and anode D connects 4 pin of IC2 in the high-frequency oscillating circuits 9.IC1 in the described high-frequency oscillating circuits 9 in IC2 and the high voltage ratings regulating circuit 12 is that the model that adopts is the integrated circuit of NE555.Described energy storage capacitor C1 and C2 are employing capacity 6800 microfarads, the electrolytic capacitor of withstand voltage 450V.

Claims (8)

1. ground observation DC high-voltage power supply, mainly include casing [4] and panel [1], and the little energy cell of low pressure [7] in casing [4], it is characterized in that on described panel [1], mains switch SW[2 being arranged], power supply indicator S[5] and two lead-out terminals [3], in described casing [4], above the battery [7], circuit board [6] is arranged, go up by the high-frequency oscillating circuits of forming by integrated circuit and electric component [9], boost rectifying circuit [11], high voltage ratings regulating circuit [12], electric energy step-by-step counter [13] and constant-current circuit [14] at this circuit board [6]; In addition, by the minus earth of described battery [7], anodal serial connection mains switch SW[2] and power supply indicator S[5] form supplying cell circuit [8], positive 6V power supply is provided.

2. ground observation DC high-voltage power supply according to claim 1, it is characterized in that described high-frequency oscillating circuits [9] is made up of integrated circuit (IC) 2 and field effect transistor Q2,8 pin of integrated circuit (IC) 2 meet positive 6V, the positive 6V other end of resistance R 1 one terminations also meets diode D1 and resistance R 2 and receive 7 pin and 2 of IC2,6 pin, 2,6 foot meridian capacitor C8 ground connection, the 5 foot meridian capacitor C7 ground connection of IC2,1 pin ground connection, the output of 3 pin connects the grid G of field effect transistor Q2 simultaneously through voltage stabilizing didoe D4 ground connection, the source S ground connection of Q2, anode D connects the elementary end of transformer B of boost rectifying circuit [11], the other end of B meets positive 6V through inductance L 1, the two ends of L1 have capacitor C 9 and C10 ground connection respectively, and positive 6V also has capacitor C 4 ground connection, and 4 pin of IC2 connect 3 pin of IC1 output in the high voltage ratings regulating circuit [12].

3. ground observation DC high-voltage power supply according to claim 1, it is characterized in that described boost rectifying circuit [11] and electric energy step-by-step counter [13], boost rectifying circuit [11] is made up of step-up transformer B and rectifier diode D2, the secondary end ground connection of B, another is rectified and to meet diode D2 and output to electric energy step-by-step counter [13], electric energy step-by-step counter [13] is made up of capacitor C 11, C2, the C1 ground connection of three parallel connections, wherein capacitor C 1 and C2 are high withstand voltage jumbo energy storage capacitors, and its output connects the collector electrode of the triode T of constant-current circuit [14].

4. ground observation DC high-voltage power supply according to claim 1, it is characterized in that described constant-current circuit [14] is made up of triode T and voltage stabilizing didoe D6, the emitter of T meets in the lead-out terminal [3] one through R10, connect the base stage of T again through D6, base stage connects the collector electrode of T again through resistance R 9, another lead-out terminal [3] ground connection.

5. ground observation DC high-voltage power supply according to claim 1, it is characterized in that described high voltage ratings regulating circuit [12] is made up of integrated circuit (IC) 1,8 pin of IC1 meet positive 6V, 4 pin meet positive 6V through resistance R 4,4 pin that 3 pin output to IC2 in the high-frequency oscillating circuits [9] meet positive 6V through resistance R 7 simultaneously, 1 pin ground connection, 5 foot meridian capacitor C6 ground connection, 2,6 pin connect the collector electrode of triode T in the constant-current circuit [14] simultaneously through potentiometer W1 through parallel resistor R3 and capacitor C 5 ground connection.

6. ground observation DC high-voltage power supply according to claim 1; it is characterized in that going up overvoltage crowbar [10] in addition at described circuit board [6]; this circuit is made up of field effect transistor Q1 and diode D3 voltage stabilizing didoe D5; the negative pole of D5 connects the collector electrode of triode T in the constant-current circuit [14]; the anode of D5 is just meeting diode D3 simultaneously through resistance R 5 ground connection; the negative pole of D3 connects the grid G of Q1 simultaneously through resistance R 6 through resistance R 8 ground connection; grid G is again through capacitor C 3 ground connection; the source S ground connection of Q1, anode D connects 4 pin of IC2 in the high-frequency oscillating circuits [9].

7. according to claim 2 or 5 described ground observation DC high-voltage power supply, it is characterized in that the IC1 in middle IC2 of described high-frequency oscillating circuits [9] and the high voltage ratings regulating circuit [12] is that the model that adopts is the integrated circuit of NE555.

8. ground observation DC high-voltage power supply according to claim 3 is characterized in that described energy storage capacitor C1 and C2 are employing capacity 6800 microfarads, the electrolytic capacitor of withstand voltage 450V.

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