CN212062055U

CN212062055U - Polarity-interchangeable pulse electromagnetic field generator

Info

Publication number: CN212062055U
Application number: CN202020433578.7U
Authority: CN
Inventors: 吕华纳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-12-01
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a polarity interchangeable pulse electromagnetic field generator. The magnetic field pulse driving circuit comprises two pulse signal generating circuits with opposite polarities of voltages output by two voltage output ends, a magnetic field pulse driving circuit with two voltage input ends which are respectively connected with the voltage output ends of the pulse signal generating circuits in a one-to-one correspondence mode, and iron magnetic core coils with two ends which are respectively connected with two current output ends of the magnetic field pulse driving circuit in a one-to-one correspondence mode. The utility model discloses the accessible iron magnetic core coil produces the pulsed magnetic field that N utmost point and S utmost point separated the transform, utilizes this pulsed magnetic field then can carry out reciprocating linear motion control to the magnetism drive carrier to make the generator can regard as electromagnetic power to produce the device and use, created the condition for evading because of adopting on the application product traditionally by numerous mechanical accessories such as motor, lever as the produced series of problems of power supply.

Description

Polarity-interchangeable pulse electromagnetic field generator

Technical Field

The utility model belongs to the technical field of electromagnetic means technique and specifically relates to a polarity interchangeable pulse electromagnetic field generator.

Background

As is well known, a pneumatic pump (also called an air pump) is a gas delivery device widely used in many fields such as medical care, health, scientific research, experiment, instruments and meters, and at present, a motor is mainly used to drive an eccentric body to synchronously rotate, so that the eccentric body can drive a piston to reciprocate through accessories such as a lever, thereby forming a film type or piston type structural form, and finally completing the operations of sucking, compressing, discharging and delivering gas. However, such a gas cylinder including a motor, an eccentric body, a lever, and a piston generally has many problems such as a complicated structure, high precision requirement for assembling components, severe mechanical wear, excessive noise, heavy volume and weight, and short service life. Therefore, how to eliminate the series of problems of the existing air compressor by proposing an improved solution to the core driving component of the air compressor has become a technical problem which is widely concerned in the industry.

In view of the fact that an electromagnetic field generating apparatus is an electromagnetic device that generates a pulsed electromagnetic field by controlling the width and period of conduction of an electric circuit based on a direct current power supply, and that has been widely used in fields such as biomedical treatment, sewage purification, sterilization, and disinfection; therefore, there is a need for an electromagnetic field generating device that can functionally replace the core driving component of the existing pneumatic press to lay the foundation for achieving the electromagnetic driving effect of the pneumatic press.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a pulse electromagnetic field generator with interchangeable polarities.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pulsed electromagnetic field generator of interchangeable polarity comprising:

the pulse signal generating circuit is provided with two voltage output ends, and the polarities of the voltages output by the two voltage output ends are opposite;

the magnetic field pulse driving circuit is provided with two current output ends and two voltage input ends which are respectively connected with the voltage output ends of the pulse signal generating circuit in a one-to-one correspondence manner;

the power supply management circuit is respectively connected with the pulse signal generating circuit and the magnetic field pulse driving circuit;

and

and the two ends of the iron magnetic core coil are respectively connected with two current output ends of the magnetic field pulse driving circuit in a one-to-one correspondence manner, and the magnetic field pulse driving circuit outputs pulse current to the iron magnetic core coil after receiving pulse voltage output by the pulse signal generating circuit so that the iron magnetic core coil generates a pulse magnetic field with N poles and S poles alternately changed.

Preferably, the pulse signal generating circuit comprises a pulse modulation chip with two voltage output ends, a first triode and a second triode, a power pin of the pulse modulation chip, a collector of the first triode and a collector of the second triode are respectively connected with the power supply management circuit, a base of the first triode is connected with one of the voltage output ends of the pulse modulation chip through a first resistor and is grounded through a second resistor at the same time, a base of the second triode is connected with the other voltage output end of the pulse modulation chip through a third resistor and is grounded through a fourth resistor at the same time, and an emitter of the first triode and an emitter of the second triode are grounded at the same time;

the magnetic field pulse driving circuit comprises a third triode, a fourth triode, a fifth triode and a sixth triode; a collector of the third triode and a collector of the fourth triode are connected with one end of the iron magnetic core coil, a base of the third triode and a base of the fourth triode are connected with a collector of the first triode, an emitter of the third triode is connected with the power supply management circuit, and an emitter of the fourth triode is grounded; the collector of the fifth triode and the collector of the sixth triode are connected with the other end of the iron magnetic core coil, the base of the fifth triode and the base of the sixth triode are connected with the collector of the second triode, the emitter of the fifth triode is connected with the power supply management circuit, and the emitter of the sixth triode is grounded.

Preferably, the power supply management circuit comprises a direct current power supply input module, a seventh triode and a voltage stabilizing diode, wherein the output end of the direct current power supply input module is grounded through a first capacitor and is connected with the collector electrode of the seventh triode through a fifth resistor and a sixth resistor which are sequentially connected in series, the anode of the voltage stabilizing diode is grounded, the cathode of the voltage stabilizing diode is connected with the base electrode of the seventh triode and is connected between the fifth resistor and the sixth resistor through the seventh resistor, and the emitter of the seventh triode is connected with a power pin of the pulse modulation chip and is grounded through a second capacitor;

and the emitter of the third triode and the emitter of the fifth triode are respectively connected with the output end of the direct-current power supply input module, the collector of the first triode is connected with the output end of the direct-current power supply input module through an eighth resistor and a ninth resistor which are sequentially connected in series, and the collector of the second triode is connected with the output end of the direct-current power supply input module through a tenth resistor and an eleventh resistor which are sequentially connected in series.

Preferably, the dc power input module is a dc connector connected to an emitter of the fifth transistor.

Preferably, the dc power input module includes an ac connector, a varistor distributed in parallel with the ac connector, a rectifier bridge having two ac input terminals connected to two ends of the varistor in a one-to-one correspondence and a negative dc output terminal grounded, and a first inductor connected in series between a positive dc output terminal of the rectifier bridge and an emitter of the fifth triode, the positive dc output terminal of the rectifier bridge is grounded through the first electrolytic capacitor, and the emitter of the fifth triode is grounded through the second electrolytic capacitor.

By adopting the scheme, the pulse signal generating circuit A can output pulse voltage which is in positive and negative double poles and is converted circularly through modulation control on the pulse signal generating circuit A, so that a pulse magnetic field with the interval between an N pole and an S pole is generated through an iron magnetic core coil D finally, and the reciprocating linear motion control can be performed on a magnetic driving carrier by utilizing the pulse magnetic field; the system has simple structure and strong practical value and market popularization value.

Drawings

Fig. 1 is a schematic structural assembly diagram of a control principle of an embodiment of the present invention;

fig. 2 is a schematic diagram of a circuit system according to an embodiment of the present invention;

fig. 3 is a schematic diagram of application reference of an embodiment of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 and 3, the present embodiment provides a polarity-interchanged pulsed electromagnetic field generator, which includes:

a pulse signal generating circuit A, which has two voltage output ends, and the polarities of the voltages output by the two voltage output ends are opposite, and the main function is to output pulse voltages with positive and negative polarities which can be alternately converted (also can be understood as cyclic reciprocating conversion or interchange) through the two voltage output ends;

the magnetic field pulse driving circuit B is provided with two current output ends and two voltage input ends which are respectively connected with the voltage output ends of the pulse signal generating circuit A in a one-to-one correspondence manner, and is mainly used for outputting pulse current with alternately changeable positive and negative polarities through the two current output ends according to the received pulse voltage;

the power supply management circuit C is respectively connected with the pulse signal generating circuit A and the magnetic field pulse driving circuit B to provide electric energy guarantee for the on-off work of the pulse signal generating circuit A and the magnetic field pulse driving circuit B;

and

and the two ends of the irony magnetic core coil D are respectively connected with the two current output ends of the magnetic field pulse driving circuit B in a one-to-one correspondence manner, and the magnetic field pulse driving circuit B outputs pulse current to the irony magnetic core coil D after receiving the pulse voltage output by the pulse signal generating circuit A so that the irony magnetic core coil D generates a pulse magnetic field with the interval change of the N pole and the S pole.

Therefore, through the modulation control of the pulse signal generating circuit A, the pulse signal generating circuit A can output pulse voltage which is in positive and negative double poles and is converted circularly, so that a pulse magnetic field with N poles and S poles converted at intervals is finally generated through the iron magnetic core coil D, the reciprocating linear motion control of the magnetic driving carrier can be realized by utilizing the pulse magnetic field, and therefore, the whole generator can be used as an electromagnetic power generating device, and the condition is created for avoiding series problems caused by the fact that application products adopt numerous mechanical accessories such as a motor, a lever and the like as power sources.

Taking the generator of this embodiment as an example when applied to a gas delivery device such as the aerostatic press shown in fig. 3, wherein the aerostatic press shown in fig. 3 may mainly comprise a pump case 10, an air pump chamber a formed in the pump case 10, magnetic field chambers d distributed at intervals in the air pump chamber a, a permanent magnet piston 20 (which may be composed of a permanent magnet, a piston sleeve, a sealing ring, etc. according to the actual situation) inserted in the air pump chamber a, and a one-way air inlet/outlet pipe assembly 40 (only an air outlet pipe is shown in the figure) disposed on the pump case 10 and respectively communicated with the air pump chamber a; at this time, the whole generator can be assembled in the magnetic field chamber D (the pulse signal generating circuit a, the magnetic field pulse driving circuit B and the power supply management circuit C can be integrated on the same circuit substrate 30) and the iron core coil D and the permanent magnet piston 20 are ensured to be coaxially distributed at the same time; when the generator works, the pulse signal generating circuit A can output a pulse current with positive-negative cycle interchange through the magnetic field pulse driving circuit B, when the pulse current flows through the irony magnetic core coil D, a corresponding pulse magnetic field with N poles and S poles interchanged is generated, for example, the end, opposite to the irony magnetic core coil D, of the permanent magnet piston 20 is the N pole (namely, the end opposite to the irony magnetic core coil D is the S pole), when the magnetic field generated by the irony magnetic core coil D is the N pole, the permanent magnet piston 20 and the irony magnetic core coil D are pushed in the air pump chamber a due to the repulsion of the same poles, so that the space capacity of the air pump chamber a is enlarged, and the air pumping process is realized; then, when the magnetic field generated by the iron magnetic core coil D is S-pole, the permanent magnet piston 20 is pulled in the air pump chamber a according to the principle of opposite attraction, so as to reduce the space capacity of the air pump chamber a, thereby realizing the process of compressing and discharging air; the permanent magnet piston 20 can be continuously pushed and pulled by the reciprocating cyclic transformation, so that the electromagnetic driving effect on the air compressor is finally realized. Based on this, the generator of the embodiment can replace a plurality of mechanical accessories such as a motor, an eccentric body and a lever which play a power driving role in the existing air compressor, so that the problems of mechanical abrasion, excessive noise and the like easily occurring in the action process of the air compressor due to the adoption of a plurality of mechanical accessories can be effectively avoided, the structural complexity of the air compressor, the difficulty of component design and assembly and the like can be effectively reduced, and conditions are created for improving the assembly and maintenance efficiency of the air compressor; meanwhile, the movement speed and the direction conversion frequency of the permanent magnet piston 20 can be converted by selecting and setting the modulation rule of the pulse signal, so that the regulation of the air pressure of the whole air compressor is guaranteed, conditions such as the weight and the volume of the air compressor are reduced, and the air compressor can be more flexibly applied to various pneumatic products.

Preferably, the pulse signal generating circuit a of this embodiment includes a pulse modulation chip U1 (which may adopt a cmos single chip microcomputer according to actual conditions, such as an 8-bit fully static single chip microcomputer of MDT10P53 type, PIC12F508 type, etc., and is designed to improve the performance of the entire system by utilizing the features of low cost, high performance, few peripheral components, etc. of such a single chip microcomputer), a first transistor Q1 and a second transistor Q2, a power pin of the pulse modulation chip U1, a collector of the first transistor Q1 and a collector of the second transistor Q2 are respectively connected to the power management circuit C, a base of the first transistor Q1 is connected to one of the voltage output terminals of the pulse modulation chip U1 through a first resistor R1 and is simultaneously grounded through a second resistor R2, a base of the second transistor Q2 is connected to the other voltage output terminal of the pulse modulation chip U1 through a third resistor R3 and is simultaneously grounded through a fourth resistor R4, the emitter of the first triode Q1 and the emitter of the second triode Q2 are simultaneously grounded; the magnetic field pulse driving circuit B comprises a third triode Q3, a fourth triode Q4, a fifth triode Q5 and a sixth triode Q6; a collector of the third triode Q3 and a collector of the fourth triode Q4 are connected with one end of the iron core coil D, a base of the third triode Q3 and a base of the fourth triode Q4 are connected with a collector of the first triode Q1, an emitter of the third triode Q3 is connected with the power supply management circuit C, and an emitter of the fourth triode Q4 is grounded; the collector of the fifth triode Q5 and the collector of the sixth triode Q6 are connected with the other end of the iron core coil D, the base of the fifth triode Q5 and the base of the sixth triode Q6 are connected with the collector of the second triode Q2, the emitter of the fifth triode Q5 is connected with the power supply management circuit C, and the emitter of the sixth triode Q6 is grounded.

Therefore, by using the hardware carrier of the pulse modulation chip U1, a corresponding pulse switching control program and the like can be burnt in the pulse modulation chip U1 in advance according to actual needs, pulse interchange voltages are output by the voltage output ends T1 and T2 of the pulse modulation chip U1, when a negative voltage is output by the voltage output end T1, a positive voltage is output by the voltage output end T2, in the process that the positive and negative voltages are output by the two voltage output ends T1 and T2 in a ceaseless interchange manner, an interchange pulse driving signal is formed, and the first triode Q1 and the second triode Q2 are used as two prepositive push triodes of the magnetic field pulse driving circuit B; when the transistor is driven to start driving the magnetic field pulse driving circuit B, the first transistor Q1 is responsible for the combined driving of the third transistor Q3 and the fourth transistor Q4, and the second transistor Q2 is responsible for the combined driving of the fifth transistor Q5 and the sixth transistor Q6; therefore, the magnetic field pulse driving circuit B transmits pulse current to the irony magnetic core coil D and continuously changes the polarity of the current, and finally, the polarity change control of the magnetic field generated by the irony magnetic core coil D is completed.

On the basis of the foregoing, as a preferable scheme, the power supply management circuit C of the present embodiment includes a seventh transistor Q7, a zener diode Z1, and a dc power input module capable of outputting a voltage of 80VDC-300 VDC; the output end of the direct-current power supply input module is grounded through a first capacitor C1 and is connected with the collector of a seventh triode Q7 through a fifth resistor R5 and a sixth resistor R6 which are sequentially connected in series, the anode of a voltage-stabilizing diode Z1 is grounded, the cathode of the voltage-stabilizing diode Z1 is connected with the base of a seventh triode Q7 and is connected between the fifth resistor R5 and the sixth resistor R6 through a seventh resistor R7, and the emitter of a seventh triode Q7 is connected with a power supply pin of a pulse modulation chip U1 and is grounded through a second capacitor C2; an emitting electrode of the third triode Q3 and an emitting electrode of the fifth triode Q5 are respectively connected with an output end of the direct current power supply input module, a collecting electrode of the first triode Q1 is connected with the output end of the direct current power supply input module through an eighth resistor R8 and a ninth resistor R9 which are sequentially connected in series, and a collecting electrode of the second triode Q2 is connected with the output end of the direct current power supply input module through a tenth resistor R10 and an eleventh resistor R11 which are sequentially connected in series.

In order to enable the whole generator to flexibly configure the dc power supply according to the actual application conditions (such as the power supply form adopted by the application product), the dc power supply input module of this embodiment may adopt the following scheme, specifically:

1. the dc power input module directly uses a dc connector connected to the emitter of the fifth transistor Q5. Thereby enabling the entire generator to operate directly through connection to an external dc power source.

2. The direct-current power supply input module comprises an alternating-current electric connector, a voltage dependent resistor RV1, two alternating-current input ends of the voltage dependent resistor RV1 and a rectifier bridge DD1, wherein the voltage dependent resistor RV1 is distributed in parallel with the alternating-current electric connector, the two alternating-current input ends of the rectifier bridge DD1 are correspondingly connected with two ends of the voltage dependent resistor RV1 in a one-to-one mode, a negative direct-current output end of the rectifier bridge DD 48363 is grounded, and a first inductor L1 is connected between an anode direct-current output end of the rectifier bridge DD1 and an emitter of a fifth triode Q5 in series, the anode direct-current output end of the rectifier bridge DD1 is grounded. Therefore, the generator can be connected with an alternating current power supply, and the direct current power supply is provided for the core component of the generator through the rectification and conversion of the alternating current by the direct current power supply input module.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A pulsed electromagnetic field generator of interchangeable polarity, characterized by: it comprises

The pulse signal generating circuit (A) is provided with two voltage output ends, and the polarities of the voltages output by the two voltage output ends are opposite;

the magnetic field pulse driving circuit (B) is provided with two current output ends and two voltage input ends which are respectively connected with the voltage output ends of the pulse signal generating circuit (A) in a one-to-one correspondence manner;

the power supply management circuit (C) is respectively connected with the pulse signal generating circuit (A) and the magnetic field pulse driving circuit (B);

and

the magnetic field pulse driving circuit (B) is connected with two current output ends of the magnetic field pulse driving circuit (B) in a one-to-one correspondence mode after receiving pulse voltage output by the pulse signal generating circuit (A), and the magnetic field pulse driving circuit (B) enables the iron magnetic core coil (D) to generate a pulse magnetic field with N poles and S poles changed at intervals by outputting pulse current to the iron magnetic core coil (D).

2. A polarity-interchanged pulsed electromagnetic field generator as claimed in claim 1 wherein:

the pulse signal generating circuit (A) comprises a pulse modulation chip (U1) with two voltage output ends, a first triode (Q1) and a second triode (Q2), the power supply pin of the pulse modulation chip (U1), the collector of the first triode (Q1) and the collector of the second triode (Q2) are respectively connected with a power supply management circuit (C), the base of the first triode (Q1) is connected with one voltage output end of the pulse modulation chip (U1) through a first resistor (R1) and is grounded through a second resistor (R2), the base of the second triode (Q2) is connected with the other voltage output end of the pulse modulation chip (U1) through a third resistor (R3) and is grounded through a fourth resistor (R4), and the emitter of the first triode (Q1) and the emitter of the second triode (Q2) are simultaneously grounded;

the magnetic field pulse driving circuit (B) comprises a third triode (Q3), a fourth triode (Q4), a fifth triode (Q5) and a sixth triode (Q6); a collector of the third triode (Q3) and a collector of the fourth triode (Q4) are connected with one end of the irony magnetic core coil (D) together, a base of the third triode (Q3) and a base of the fourth triode (Q4) are connected with a collector of the first triode (Q1) together, an emitter of the third triode (Q3) is connected with the power supply management circuit (C), and an emitter of the fourth triode (Q4) is grounded; the collector of the fifth triode (Q5) and the collector of the sixth triode (Q6) are connected with the other end of the iron core coil (D), the base of the fifth triode (Q5) and the base of the sixth triode (Q6) are connected with the collector of the second triode (Q2), the emitter of the fifth triode (Q5) is connected with the power supply management circuit (C), and the emitter of the sixth triode (Q6) is grounded.

3. A polarity-interchanged pulsed electromagnetic field generator as claimed in claim 2 wherein: the power supply management circuit (C) comprises a direct current power supply input module, a seventh triode (Q7) and a voltage stabilizing diode (Z1), wherein the output end of the direct current power supply input module is grounded through a first capacitor (C1) and is connected with the collector of the seventh triode (Q7) through a fifth resistor (R5) and a sixth resistor (R6) which are sequentially connected in series, the anode of the voltage stabilizing diode (Z1) is grounded, the cathode of the voltage stabilizing diode (Z1) is connected with the base of the seventh triode (Q7) and is connected between a fifth resistor (R5) and the sixth resistor (R6) through a seventh resistor (R7), and the emitter of the seventh triode (Q7) is connected with the power supply pin of the pulse modulation chip (U1) and is grounded through a second capacitor (C2);

an emitting electrode of the third triode (Q3) and an emitting electrode of the fifth triode (Q5) are respectively connected with an output end of the direct current power supply input module, a collecting electrode of the first triode (Q1) is connected with the output end of the direct current power supply input module through an eighth resistor (R8) and a ninth resistor (R9) which are sequentially connected in series, and a collecting electrode of the second triode (Q2) is connected with the output end of the direct current power supply input module through a tenth resistor (R10) and an eleventh resistor (R11) which are sequentially connected in series.

4. A polarity-interchanged pulsed electromagnetic field generator as claimed in claim 3 wherein: the direct current power supply input module is a direct current connector connected with an emitting electrode of a fifth triode (Q5).

5. A polarity-interchanged pulsed electromagnetic field generator as claimed in claim 3 wherein: the direct-current power supply input module comprises an alternating-current connector, a piezoresistor (RV1) which is in parallel distribution with the alternating-current connector, a rectifier bridge (DD1) with two alternating-current input ends respectively connected with two ends of the piezoresistor (RV1) in a one-to-one correspondence mode and a negative direct-current output end grounded, and a first inductor (L1) which is connected between an anode direct-current output end of the rectifier bridge (DD1) and an emitter electrode of a fifth triode (Q5) in series, wherein the anode direct-current output end of the rectifier bridge (DD1) is grounded through a first electrolytic capacitor (C3), and the emitter electrode of the fifth triode (Q5) is grounded through a second electrolytic capacitor (C4).