CN218997708U - Pulse discharge device for generating strong magnetic field - Google Patents
Pulse discharge device for generating strong magnetic field Download PDFInfo
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- CN218997708U CN218997708U CN202123252085.7U CN202123252085U CN218997708U CN 218997708 U CN218997708 U CN 218997708U CN 202123252085 U CN202123252085 U CN 202123252085U CN 218997708 U CN218997708 U CN 218997708U
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Abstract
The utility model relates to the technical field of pulse discharge, in particular to a pulse discharge device for generating a strong magnetic field, which comprises a charging circuit, a unidirectional circuit, a first capacitor, a silicon controlled rectifier and an inductor, wherein the first capacitor, the silicon controlled rectifier and the inductor are sequentially connected.
Description
Technical Field
The utility model relates to the technical field of pulse discharge, in particular to a pulse discharge device for generating a strong magnetic field.
Background
At present, the existing strong magnetic field generator for muscle exercise is in a topological form of a serial LC discharging device, which comprises two parts, wherein the first part is a charging circuit, the second part is a discharging circuit, and the discharging circuit in the existing strong magnetic field generator for muscle exercise uses a silicon controlled rectifier as a discharging switch and is serially connected between a capacitor and an inductor, so that the existing strong magnetic field generator for muscle exercise has the following defects:
1) An isolation device is needed to be arranged, so that the damage of a discharging circuit to a charging loop is avoided, the cost is high, and the size of a strong magnetic field generator for muscle exercise is large;
2) The utilization rate of electric energy is low.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a pulse discharge device for generating a strong magnetic field aiming at the defects of the prior art.
The technical scheme of the pulse discharge device for generating the strong magnetic field is as follows:
the charging circuit is connected between two ends of the first series circuit, so as to apply voltage to the first series circuit and the silicon controlled rectifier, a current outlet end of the unidirectional circuit is connected with a current output end of the charging circuit, and a current inflow end of the unidirectional circuit is connected with a current input end of the charging circuit.
The pulse discharge device for generating the strong magnetic field has the following beneficial effects:
when the anode and the cathode of the silicon controlled rectifier are disconnected, the first capacitor is charged, when the anode and the cathode of the silicon controlled rectifier are conducted, the first capacitor performs pulse discharge to the inductor, the inductor generates a strong magnetic field for muscle exercise, and when the inductor discharges, redundant electric quantity in the inductor can be charged to the first capacitor through the unidirectional circuit, that is, when the first capacitor performs pulse discharge to the inductor, the first capacitor can store partial electric quantity, the utilization rate of electric energy is greatly improved, and when the anode and the cathode of the silicon controlled rectifier are conducted, the capacitor is equivalent to short-circuiting a charging circuit, the inductor discharging current can be prevented from being fed back to the charging circuit, so that the charging circuit is prevented from being damaged, an isolation device is not required to be arranged independently, the cost is low, and the pulse discharging device for generating the strong magnetic field has the advantage of small size.
On the basis of the scheme, the pulse discharging device for generating the strong magnetic field can be improved as follows.
Further, the unidirectional circuit comprises a diode, the negative electrode of the diode is a current outflow end of the unidirectional circuit, and the positive electrode of the diode is a current inflow end of the unidirectional circuit.
Further, the unidirectional circuit comprises at least two diodes, the at least two diodes are connected in series to form a second series circuit, and two ends of the second series circuit are respectively a current outflow end and a current inflow end of the unidirectional circuit.
Further, the device also comprises a silicon controlled rectifier control circuit, wherein the silicon controlled rectifier control circuit is connected between a control electrode and a cathode of the silicon controlled rectifier.
The beneficial effects of adopting the further scheme are as follows: the anode and the cathode of the controllable silicon are conveniently disconnected or connected through the controllable silicon control circuit.
Further, the charging circuit further comprises an absorption circuit, and two ends of the absorption circuit are respectively connected with a current output end and a current input end of the charging circuit, so that the silicon controlled rectifier can normally operate.
The beneficial effects of adopting the further scheme are as follows: the absorption circuit can ensure the normal operation of the silicon controlled rectifier, and the accidental conduction and/or accidental disconnection of the silicon controlled rectifier are avoided.
Further, the absorption circuit comprises a resistor and a second capacitor which are sequentially connected, the other end of the second capacitor is connected with the current output end of the charging circuit, the other end of the resistor is connected with the current input end of the charging circuit, or the other end of the second capacitor is connected with the current input end of the charging circuit, and the other end of the resistor is connected with the current output end of the charging circuit.
Drawings
FIG. 1 is a schematic flow chart of a pulse discharging device for generating a strong magnetic field according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a pulse discharge apparatus for generating a strong magnetic field according to a second embodiment of the present utility model.
Detailed Description
As shown in fig. 1 and 2, a pulse discharging device for generating a strong magnetic field according to an embodiment of the present utility model includes a charging circuit 100, a unidirectional circuit 200, a first capacitor C1, a thyristor Q1, and an inductor L1, where the first capacitor C1 and the inductor L1 are connected in series to form a first series circuit, an anode and a cathode of the thyristor Q1 are respectively connected to two ends of the first series circuit, the charging circuit 100 is connected between the two ends of the first series circuit to apply a voltage to the first series circuit and the thyristor Q1, a current outflow end 201 of the unidirectional circuit 200 is connected to a current output end 101 of the charging circuit 100, and a current inflow end 202 of the unidirectional circuit 200 is connected to a current input end 102 of the charging circuit 100.
Wherein the positions of the first capacitor C1 and the inductor L1 in the first series circuit are interchangeable, and the two ends of the first series circuit are respectively marked as a first connection terminal 103 and a second connection terminal 104, then: the anode and the cathode of the silicon controlled rectifier Q1 are respectively connected with two ends of the first series circuit specifically: the anode of the silicon controlled rectifier Q1 is connected with the first connection end 103, the cathode of the silicon controlled rectifier Q1 is connected with the second connection end 104, or the anode of the silicon controlled rectifier Q1 is connected with the second connection end 104, and the cathode of the silicon controlled rectifier Q1 is connected with the first connection end 103.
The charging circuit 100 is specifically connected between two ends of the first series circuit: the current output terminal 101 of the charging circuit 100 is connected to the first connection terminal 103, the current input terminal 102 of the charging circuit 100 is connected to the second connection terminal 104 to apply a voltage to the first series circuit and the thyristor Q1, or the current output terminal 101 of the charging circuit 100 is connected to the second connection terminal 104, and the current input terminal 102 of the charging circuit 100 is connected to the first connection terminal 103 to apply a voltage to the first series circuit and the thyristor Q1.
In the unidirectional circuit 200, only the current flowing in the current flowing end 202 is directed to the current flowing end 201, otherwise, the current flowing in the current flowing end corresponds to a short circuit. The specific structure of unidirectional circuit 200 is as follows:
1) The unidirectional circuit 200 comprises a diode, the negative electrode of the diode is a current outflow end 201 of the unidirectional circuit 200, the positive electrode of the diode is a current inflow end 202 of the unidirectional circuit 200, at this time, the negative electrode of the diode is connected with the current output end 101 of the charging circuit 100, the positive electrode of the diode is connected with the current output end 101 of the charging circuit 100,
2) The unidirectional circuit 200 comprises at least two diodes connected in series to form a second series circuit, and two ends of the second series circuit are a current outflow end 201 and a current inflow end 202 of the unidirectional circuit 200 respectively, specifically:
(1) when the unidirectional circuit 200 includes two diodes, respectively labeled as a first diode D1 and a second diode D2, the first diode D1 and the second diode D2 are connected in series, specifically: the negative pole of second diode D2 connects the positive pole of first diode D1, and the both ends of second series circuit are respectively: the negative electrode of the first diode D1 and the positive electrode of the second diode D2, and two ends of the second series circuit are a current outflow end 201 and a current inflow end 202 of the unidirectional circuit 200 respectively, specifically:
the cathode of the first diode D1 is the current outflow end 201 of the unidirectional circuit 200, i.e. the cathode of the first diode D1 is connected with the current output end 101 of the charging circuit 100, and the anode of the second diode D2 is the current inflow end 202 of the unidirectional circuit 200, i.e. the anode of the second diode D2 is connected with the current input end 102 of the charging circuit 100;
(2) when the unidirectional circuit 200 includes at least three diodes, and two adjacent diodes, the cathode of the previous diode is connected to the anode of the next diode, and the two ends of the second series circuit are respectively: the negative pole of one of the extreme diodes and the positive pole of the other extreme diode, and the two ends of the second series circuit are the current outflow end 201 and the current inflow end 202 of the unidirectional circuit 200 respectively, specifically:
the cathode of one of the endmost diodes is the current outflow end 201 of the unidirectional circuit 200, i.e. the cathode of one of the endmost diodes is connected to the current output end 101 of the charging circuit 100, and the anode of the other endmost diode is the current inflow end 202 of the unidirectional circuit 200, i.e. the anode of the other endmost diode is connected to the current input end 102 of the charging circuit 100.
When the anode and the cathode of the thyristor Q1 are disconnected, the first capacitor C1 is charged, when the anode and the cathode of the thyristor Q1 are turned on, the first capacitor C1 performs pulse discharge to the inductor L1, the inductor L1 generates a strong magnetic field for muscle exercise, and when discharging, the excessive electric quantity in the inductor L1 can be charged to the first capacitor C1 through the unidirectional circuit 200, that is, when the first capacitor C1 performs pulse discharge to the inductor L1, the first capacitor C1 stores partial electric quantity, so that the utilization rate of electric energy is greatly improved, and when the anode and the cathode of the thyristor Q1 are turned on, the charging circuit is equivalent to short-circuited, the discharging current of the inductor L1 can be prevented from being fed back to the charging circuit 100, so that the charging circuit 100100 is prevented from being damaged, an isolation device is not required to be separately arranged, the cost is low, and the pulse discharging device for generating the strong magnetic field has the advantage of small volume.
Preferably, as shown in fig. 1, in the above technical solution, the device further includes a thyristor control circuit 300, wherein the thyristor control circuit 300 is connected between the control electrode and the cathode of the thyristor Q1, and the anode and the cathode of the thyristor Q1 are conveniently turned off or turned on by the thyristor control circuit 300.
Preferably, in the above technical solution, the charging circuit further includes an absorption circuit, and two ends of the absorption circuit are respectively connected to the current output terminal 101 and the current input terminal 102 of the charging circuit 100, so that the silicon controlled rectifier Q1 operates normally. The absorption circuit can ensure the normal operation of the silicon controlled rectifier Q1, and the accidental conduction and/or accidental disconnection of the silicon controlled rectifier Q1 are avoided. The absorption circuit may be in the following specific form:
1) The absorption circuit comprises a resistor R1 and a second capacitor C2 which are sequentially connected, the other end of the second capacitor C2 is connected with the current output end 101 of the charging circuit 100, the other end of the resistor R1 is connected with the current input end 102 of the charging circuit 100, or the other end of the second capacitor C2 is connected with the current input end 102 of the charging circuit 100, and the other end of the resistor R1 is connected with the current output end 101 of the charging circuit 100.
2) The absorption circuit can also be a circuit which can ensure the normal operation of the silicon controlled rectifier Q1 in the market;
a pulse discharge apparatus for generating a strong magnetic field according to the present application will be described in detail with reference to another embodiment, as shown in fig. 2:
the charging circuit 100 is connected between two ends of the first series circuit so as to apply voltage to the first series circuit and the thyristor Q1, a current outflow end 201 of the unidirectional circuit 200 is connected with a current output end 101 of the charging circuit 100, and a current inflow end 202 of the unidirectional circuit 200 is connected with a current input end 102 of the charging circuit 100. Specifically:
the positions of the first capacitor C1 and the inductor L1 in the first series circuit are interchangeable, the two ends of the first series circuit being respectively marked as a first connection 103 and a second connection 104, in particular: the first connection end 103 is located between the first capacitor C1 and the anode of the thyristor Q1, the second connection end 104 is located between the capacitor and the cathode of the thyristor Q1, and at this time, the anode and the cathode of the thyristor Q1 are respectively connected with two ends of the first series circuit specifically: the anode of the silicon controlled rectifier Q1 is connected with the first connecting end 103, and the cathode of the silicon controlled rectifier Q1 is connected with the second connecting end 104;
the charging circuit 100 is specifically connected between two ends of the first series circuit: the current output terminal 101 of the charging circuit 100 is connected to the first connection terminal 103, and the current input terminal 102 of the charging circuit 100 is connected to the second connection terminal 104 to apply a voltage to the first series circuit and the thyristor Q1;
the unidirectional circuit 200 includes two diodes, respectively labeled as a first diode D1 and a second diode D2, where the first diode D1 and the second diode D2 are connected in series, specifically: the negative pole of second diode D2 connects the positive pole of first diode D1, and the both ends of second series circuit are respectively: the negative electrode of the first diode D1 and the positive electrode of the second diode D2, and two ends of the second series circuit are a current outflow end 201 and a current inflow end 202 of the unidirectional circuit 200 respectively, specifically:
the cathode of the first diode D1 is the current outflow end 201 of the unidirectional circuit 200, i.e. the cathode of the first diode D1 is connected with the current output end 101 of the charging circuit 100, and the anode of the second diode D2 is the current inflow end 202 of the unidirectional circuit 200, i.e. the anode of the second diode D2 is connected with the current input end 102 of the charging circuit 100;
the device further comprises a silicon controlled rectifier control circuit 300, wherein the silicon controlled rectifier control circuit 300 is connected between a control electrode and a cathode of the silicon controlled rectifier Q1;
the charging circuit further comprises an absorption circuit, the absorption circuit comprises a resistor R1 and a second capacitor C2 which are sequentially connected, the other end of the second capacitor C2 is connected with a current output end 101 of the charging circuit 100, the other end of the resistor R1 is connected with a current input end 102 of the charging circuit 100, and accidental conduction and/or accidental disconnection of the silicon controlled rectifier Q1 are avoided. A specific operation of a pulse discharge apparatus for generating a strong magnetic field as shown in fig. 2 is as follows:
1) The charging process is as follows: when the voltage is not applied between the control electrode and the cathode of the silicon controlled rectifier Q1, the silicon controlled rectifier control circuit 300 is not conducted between the anode and the cathode of the silicon controlled rectifier Q1, the charging circuit 100 outputs direct current to charge the first capacitor C1 through the first connection end 103, at this time, the inductor L1 is equivalent to direct conduction, and compared with the direct current, the absorption circuit formed by the resistor R1 and the second capacitor C2 is open circuit, and the unidirectional circuit 200 formed by the first diode D1 and the second diode D2 is open circuit;
1) The discharging process is as follows: when the first capacitor C1 is charged, the thyristor control circuit 300 applies a voltage between the control electrode and the cathode of the thyristor Q1, the anode and the cathode of the thyristor Q1 are turned on, the first capacitor C1 performs pulse discharge to the inductor L1, the inductor L1 generates a strong magnetic field for muscle exercise, and during the discharge process, the inductor L1 generates a reverse current, at this time, the unidirectional circuit 200 formed by the first diode D1 and the second diode D2 is a path for the reverse current, and the reverse current can charge the redundant electric quantity in the inductor L1 to the first capacitor C1 through the second diode D2 and the first diode D1 in turn, that is, when the first capacitor C1 performs pulse discharge to the inductor L1, the first capacitor C1 stores a part of the electric quantity, so that the utilization rate of the electric energy is greatly improved;
moreover, when the anode and the cathode of the thyristor Q1 are conducted, the short circuit of the charging loop is equivalent, and the discharging current of the inductor L1 can be prevented from being fed back to the charging circuit 100, so that the charging circuit 100 is prevented from being damaged, an isolation device is not required to be arranged separately, the cost is low, and the pulse discharging device for generating the strong magnetic field has the advantage of small volume.
According to the pulse discharging device for generating the strong magnetic field, the connection mode of the controllable silicon Q1, the inductor L1 and the first capacitor C1 is changed, and residual energy is recovered through the first diode D1 and the second diode D2 which are additionally arranged, so that sine wave current with a complete period can be obtained, and the use efficiency of electric energy is improved; in order to simply and reliably control the LC resonant circuit, natural isolation of the charging circuit 100 and the discharging circuit is achieved, which has significant practical value for use as a system for generating a pulsed high-intensity magnetic field. The conductive wire between the current input terminal 102 and the second connection terminal 104 of the charging circuit 100 is further provided with a ground electrode.
The pulse discharge device for generating the strong magnetic field has the following advantages:
1) The thyristor Q1 can be directly driven in a common mode, and a driving transformer can be omitted
2) When the anode and the cathode of the silicon controlled rectifier Q1 are conducted, the short circuit of the charging loop is avoided, and the charging circuit 100 is prevented from being damaged due to feedback of the discharging current of the inductor L1;
3) The topological mode of the utility model is specifically as follows: the type and connection mode of each electronic device in the pulse discharging device for generating the strong magnetic field, in particular to the type and connection mode that the inductor L1 and the first capacitor C1 are connected in series and then connected in parallel with the controllable silicon Q1, even if the inductor L1 and the capacitor exchange position do not interfere with the essence of the technology, the low direct current resistance characteristic of the inductor L1 is utilized to enable the inductor L1 to be in a charging loop at the same time, and the discharging loop can be separated from the charging loop without an isolator.
In the present disclosure, the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (6)
1. The pulse discharging device for generating the strong magnetic field is characterized by comprising a charging circuit, a unidirectional circuit, a first capacitor, a silicon controlled rectifier and an inductor, wherein the first capacitor and the inductor are connected in series to form a first series circuit, an anode and a cathode of the silicon controlled rectifier are respectively connected with two ends of the first series circuit, the charging circuit is connected between two ends of the first series circuit so as to apply voltage to the first series circuit and the silicon controlled rectifier, a current outlet end of the unidirectional circuit is connected with a current output end of the charging circuit, and a current inflow end of the unidirectional circuit is connected with a current input end of the charging circuit.
2. A pulsed discharge device for generating a strong magnetic field according to claim 1, wherein the unidirectional circuit comprises a diode, the negative electrode of the diode being the current outflow end of the unidirectional circuit, and the positive electrode of the diode being the current inflow end of the unidirectional circuit.
3. A pulsed discharge device for generating a strong magnetic field according to claim 1, characterized in that the unidirectional circuit comprises at least two diodes connected in series forming a second series circuit, the two ends of the second series circuit being the current outflow and current inflow ends of the unidirectional circuit, respectively.
4. A pulsed discharge device for generating a high magnetic field according to any one of claims 1 to 3, further comprising a thyristor control circuit connected between a control electrode and a cathode of the thyristor.
5. A pulse discharging device for generating a strong magnetic field according to any one of claims 1 to 3, further comprising an absorption circuit, wherein both ends of the absorption circuit are respectively connected to a current output terminal and a current input terminal of the charging circuit, so that the silicon controlled rectifier operates normally.
6. The pulse discharging device for generating a strong magnetic field according to claim 5, wherein the absorption circuit comprises a resistor and a second capacitor which are sequentially connected, the other end of the second capacitor is connected to the current output end of the charging circuit, the other end of the resistor is connected to the current input end of the charging circuit, or the other end of the second capacitor is connected to the current input end of the charging circuit, and the other end of the resistor is connected to the current output end of the charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123252085.7U CN218997708U (en) | 2021-12-22 | 2021-12-22 | Pulse discharge device for generating strong magnetic field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123252085.7U CN218997708U (en) | 2021-12-22 | 2021-12-22 | Pulse discharge device for generating strong magnetic field |
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| Publication Number | Publication Date |
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| CN218997708U true CN218997708U (en) | 2023-05-09 |
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| CN202123252085.7U Active CN218997708U (en) | 2021-12-22 | 2021-12-22 | Pulse discharge device for generating strong magnetic field |
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| CN (1) | CN218997708U (en) |
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- 2021-12-22 CN CN202123252085.7U patent/CN218997708U/en active Active
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