CN201813320U - High voltage pulse power generator for transcranial magnetic stimulator - Google Patents
High voltage pulse power generator for transcranial magnetic stimulator Download PDFInfo
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- CN201813320U CN201813320U CN2010202701304U CN201020270130U CN201813320U CN 201813320 U CN201813320 U CN 201813320U CN 2010202701304 U CN2010202701304 U CN 2010202701304U CN 201020270130 U CN201020270130 U CN 201020270130U CN 201813320 U CN201813320 U CN 201813320U
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- module
- voltage pulse
- control circuit
- discharge switch
- transcranial magnetic
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Abstract
A high voltage pulse power generator for a transcranial magnetic stimulator mainly comprises a charging power supply, a discharge switch and a control circuit, wherein in the charging power supply, a filter and rectifier module is connected to an input end of a full bridge inversion module, an output end of the full bridge inversion module is connected with a filter rectifier module through a high frequency transformer booster module, an output end of the rectifier module is connected with a storage capacitor, an output end of the charging power supply is connected to an input-output end of the discharge switch, the charging power supply is connected with the control circuit, and the control circuit is connected to the discharge switch through a discharge clock line. The high voltage pulse power generator is small in size and convenient to carry with, the power is about 2kV, the power supply can be controlled with software through an external personal computer (PC) so as to facilitate use for operators.
Description
Technical field
The utility model relates to a kind of high pressure generator, at length relates to a kind of high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument.
Background technology
Transcranial magnetic stimulation is to use pulsed magnetic field to influence the method for the electrical activity of brain.This method is by applying strong pulsed magnetic field on the scalp outside brain, pulsed magnetic field goes out electric field at the brain internal induction, thereby realizes the intervention to the electrical activity of brain.
The transcranial magnetic stimulation system mainly contains high-voltage pulse power source and coil two parts are formed, it is based on the electromagnetic induction basic principle, obtains high-intensity magnetic field and is used for transcranial magnetic stimulation thereby the high-voltage capacitance by a charging produces very strong pulsating current to an inductance coil instantaneous discharge.
High-voltage pulse power source is the chief component of transcranial magnetic stimulation instrument.The transcranial magnetic stimulation system produces single high-voltage pulse or high-voltage pulse string by high-voltage pulse power source, obtains high-intensity magnetic field thereby high-voltage pulse produces the hard pulse electric current by inductance coil.
Present known high-voltage pulse power source mostly is a large power supply, and its output voltage is all more than tens kv, and volume is heavy, mostly be greatly one independently whole, do not need the control of external system itself just can independently work.And the transcranial magnetic stimulation instrument needed be a kind of volume small and exquisite, be easy to carry, the pulse power of power not high (about 2kv), simultaneously, this power supply need use software to control by the PC by the outside, is convenient to operating personnel's use like this.
The utility model content
The purpose of this utility model is to provide a kind of high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument.
For achieving the above object, the high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument that the utility model provides mainly is made up of charge power supply, control circuit and discharge switch three parts; Wherein:
In the charge power supply, filtering and rectification module are connected to the input of full-bridge inverting module;
The output of this full-bridge inverting module connects the filter rectification module by a high frequency transformer boost module, and the output of this rectification module connects storage capacitor;
The output of charge power supply is connected to the output of discharge switch and goes into end;
Charge power supply is connected with control circuit; Control circuit is connected to discharge switch by a discharge clock line;
Control circuit is connected with computer.
The described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument wherein is filtered into low-pass filtering.
The described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument, wherein control circuit is made up of interface board and trigger board, interface board mainly is that the signal that the external control signal that enters and charge power supply module are returned is isolated by optical coupling isolator, output is afterwards controlled charge power supply and discharge switch and is fed back signal to control end, to prevent that high-voltage pulse from causing interference to control signal, so that damage control circuit, interface board mainly is made up of terminating device and optical coupling isolator, signal is defeated by the optical coupling isolator input through input, exports to output behind optical coupling isolator.Trigger board mainly is made of terminating device, plays signal overseas Chinese federation.The control signal of interface board is exported from CZ3, and inserts the input of trigger board.
The described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument, wherein the optical coupling isolator model is TPL521.
The described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument, wherein in the discharge switch, be made of silicon controlled module and diode (led) module, 2 pins of diode connect the input of silicon controlled module, 3 pins connect the output of silicon controlled module, and 1 pin links to each other with the control end of trigger board; Wherein silicon controlled module is as controllable point of discharge switch, and diode (led) module is as the protective circuit of discharge switch.
The described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument, wherein the silicon controlled module model is a SKKT250/16E silicon controlled rectifier module, the diode (led) module model is the MDD95-16 diode (led) module.
The high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument that the utility model provides, its volume is small and exquisite, be easy to carry, and power is about 2kv, and this power supply can use software control so that operating personnel's use by the PC of outside.
Description of drawings
Fig. 1 is the utility model structured flowchart.
Fig. 2 is the schematic diagram of (low pass) filtering of EMI among Fig. 1 and rectification circuit.
Fig. 3 a is a full bridge inverter schematic diagram among Fig. 1.
Fig. 3 b is pumping signal and the output voltage waveforms of Fig. 3 a.
The control circuit schematic diagram that Fig. 4 provides for the utility model.
The high-voltage pulse power source generator electrical schematic diagram that Fig. 5 provides for the utility model.
Embodiment
High-voltage pulse power source generator of the present utility model is by amplitude, pulsewidth and the frequency of external control end control output pulse, and concrete parameter is as follows:
Maximum output voltage: 1.5KV
Output voltage is variable: 0-1.5KV (by external 0-10V voltage control)
Output voltage pulse duration: 280-400 microsecond (width is by external TTL signal controlling)
Output voltage pulse frequency: 100Hz when output voltage is 0.6KV, 15Hz when output voltage is 1.5KV (frequency is by external TTL signal controlling)
Maximum output pulse string number: 500
The shortest interval between two pulse trains: 3 seconds
See also Fig. 1 and shown in Figure 5, high-voltage pulse power source generator of the present utility model is mainly formed (wherein Fig. 1 is a block diagram, and Fig. 5 is an electrical schematic diagram) by charge power supply, control circuit and discharge switch three parts:
In the charge power supply, filtering and rectification module are connected to the input of full-bridge inverting module; The output of this full-bridge inverting module connects the filter rectification module by a high frequency transformer boost module, and the output of this rectification module connects storage capacitor; The output of charge power supply is connected to the output of discharge switch and goes into end; Charge power supply links to each other with control circuit by 11 holding wires such as starting-up signal, main electric OK signals; Control circuit is connected to discharge switch by a discharge clock line.
Charge power supply of the present utility model mainly is made of EMI (low pass) filtering and rectification module (the physical circuit principle sees also as shown in Figure 2), full-bridge inverting module (the physical circuit schematic diagram is shown in Fig. 3 a), high frequency transformer boost module (model can adopt YD-PQ26/25, YD-G02), filter rectification module (with the rectification module of Fig. 2) and five parts of storage capacitor (can adopt the storage capacitor of 2kv/1uF).Full-bridge inverting module wherein mainly is made of four IGBT power models, and four IGBT divide two groups of (VT wherein
1, VT
2Be one group, VT
3, VT
4Be one group) the conducting closure, thus the conducting closure of control high frequency transformer.
The course of work is: the square-wave signal that the alternating current of 220V exchanges with formation after the full-bridge inverting module through EMI filtering and rectification module, square-wave signal boost through high frequency transformer and filter rectification after just formed the voltage signal of high pressure, at last the high pressure that obtains is charged to storage capacitor.
Discharge switch mainly contains two modules and constitutes: MDD95-16 diode (led) module and SKKT250/16E silicon controlled rectifier module.Wherein silicon controlled module is as controllable point of discharge switch, and diode (led) module is as the protective circuit of discharge switch.2 pins of diode connect the input of silicon controlled module, and 3 pins connect the output of silicon controlled module, and 1 pin links to each other with the control end of trigger board.
Control circuit mainly is made up of interface board and trigger board, interface board mainly is that the signal that the external control signal that enters and charge power supply module are returned is isolated by the TPL521 optical coupling isolator, output is afterwards controlled charge power supply and discharge switch and is fed back signal to control end, to prevent that high-voltage pulse from causing interference to control signal, consequently damage control circuit.Interface board mainly is made up of terminating device and optical coupling isolator, and signal is defeated by the optical coupling isolator input through input, exports to output behind optical coupling isolator.Trigger board mainly is made of terminating device, plays signal overseas Chinese federation.The control signal of interface board is exported from CZ3, and inserts the input of trigger board.The control circuit electrical schematic diagram that present embodiment provides as shown in Figure 4
PC is provided with the parameter of charge power supply by control circuit, the control power supply is converted to direct current with alternating current, and storage capacitor charged, charge power supply is returned corresponding state by control circuit and is given PC simultaneously, when the charge power supply charging is finished, it returns to the ready signal of PC charging, and PC just can be controlled discharge switch by control circuit the electric energy in the storage capacitor was discharged in the coil this moment.In this process, PC is also monitored the state of coil constantly by control circuit.
Claims (7)
1. a high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument is characterized in that, mainly is made up of charge power supply, discharge switch and control circuit three parts:
In the charge power supply, filtering and rectification module are connected to the input of full-bridge inverting module;
The output of this full-bridge inverting module connects the filter rectification module by a high frequency transformer boost module, and the output of this rectification module connects storage capacitor;
The output of charge power supply is connected to the output of discharge switch and goes into end;
Charge power supply is connected with control circuit, and control circuit connects discharge switch;
Control circuit is connected with computer.
2. according to the described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument of claim 1, it is characterized in that the described low-pass filtering that is filtered into.
3. according to the described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument of claim 1, it is characterized in that described control circuit is made up of interface board and trigger board; Interface board is made up of terminating device and optical coupling isolator; Trigger board is made of terminating device.
4. according to the described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument of claim 3, it is characterized in that described optical coupling isolator model is TPL521.
5. according to the described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument of claim 1, it is characterized in that, in the described discharge switch, constitute by silicon controlled module and diode (led) module; Wherein silicon controlled module is as controllable point of discharge switch, and diode (led) module is as the protective circuit of discharge switch.
6. according to the described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument of claim 5, it is characterized in that described silicon controlled module model is a SKKT250/16E silicon controlled rectifier module, the diode (led) module model is the MDD95-16 diode (led) module.
7. according to the described high-voltage pulse power source generator that is used for the transcranial magnetic stimulation instrument of claim 5, it is characterized in that described control circuit connects discharge switch by a discharge clock line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202701304U CN201813320U (en) | 2010-07-26 | 2010-07-26 | High voltage pulse power generator for transcranial magnetic stimulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202701304U CN201813320U (en) | 2010-07-26 | 2010-07-26 | High voltage pulse power generator for transcranial magnetic stimulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201813320U true CN201813320U (en) | 2011-04-27 |
Family
ID=43896256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202701304U Expired - Lifetime CN201813320U (en) | 2010-07-26 | 2010-07-26 | High voltage pulse power generator for transcranial magnetic stimulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201813320U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106581860A (en) * | 2015-10-15 | 2017-04-26 | 潘云清 | Comprehensive anti-senescence and psychosomatic recovery device |
| CN108187231A (en) * | 2018-02-02 | 2018-06-22 | 河南正痛医疗服务有限公司 | A kind of pulsed magnetic field analgesia instrument |
| CN112511136A (en) * | 2020-11-27 | 2021-03-16 | 上海空间电源研究所 | High-voltage pulse magnetron modulation power supply |
-
2010
- 2010-07-26 CN CN2010202701304U patent/CN201813320U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106581860A (en) * | 2015-10-15 | 2017-04-26 | 潘云清 | Comprehensive anti-senescence and psychosomatic recovery device |
| CN108187231A (en) * | 2018-02-02 | 2018-06-22 | 河南正痛医疗服务有限公司 | A kind of pulsed magnetic field analgesia instrument |
| CN112511136A (en) * | 2020-11-27 | 2021-03-16 | 上海空间电源研究所 | High-voltage pulse magnetron modulation power supply |
| CN112511136B (en) * | 2020-11-27 | 2023-03-17 | 上海空间电源研究所 | High-voltage pulse magnetron modulation power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High voltage pulse power generator for transcranial magnetic stimulator Effective date of registration: 20161107 Granted publication date: 20110427 Pledgee: Zhongguancun development group Limited by Share Ltd Pledgor: Mind Touch High Technology Co., Ltd., Hong Kong Registration number: 2016990000952 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110427 |
|
| CX01 | Expiry of patent term |