CN105429456A - Small-volume negative high voltage power supply for photomultiplier tube and manufacturing method thereof - Google Patents
Small-volume negative high voltage power supply for photomultiplier tube and manufacturing method thereof Download PDFInfo
- Publication number
- CN105429456A CN105429456A CN201510950799.5A CN201510950799A CN105429456A CN 105429456 A CN105429456 A CN 105429456A CN 201510950799 A CN201510950799 A CN 201510950799A CN 105429456 A CN105429456 A CN 105429456A
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- China
- Prior art keywords
- circuit
- voltage
- negative high
- high voltage
- power supply
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/10—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in series, e.g. for multiplication of voltage
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Particle Accelerators (AREA)
Abstract
The invention discloses a small-volume negative high voltage power supply for a photomultiplier tube and a manufacturing method thereof. The circuit of the negative high voltage power supply comprises a direct current power supply, a sampling feedback circuit, a voltage stabilizing power transistor, a PWM (Pulse-Width Modulation) control voltage stabilizing circuit, a power transistor, a high-frequency transformer, a voltage doubling rectifying circuit, a filter circuit and a resistance chain voltage divider. The circuit of the negative high voltage power supply is divided into a plurality of parts, and is manufactured into a plurality of cylinder-shaped printed circuit boards (PCB), wherein the shapes of the printed circuit boards are the same as the shape of a tube base; and by adopting a stacked welding method, the printed circuit boards are electrically connected with the tube base. Through the application of secondary voltage stabilizing control topology, the stability is greatly improved relatively, and the precision of the power supply is improved by adopting a feedback loop independent power supply method. Moreover, the resistance chain voltage divider is integrated in the circuit, and through the combination with a multi-plate stacking assembled technology, the volume of the photomultiplier tube is greatly reduced.
Description
Technical field
The present invention relates to photomultiplier, particularly relate to effective small size negative high voltage power source of a kind of photomultiplier transit and preparation method thereof.
Background technology
Photomultiplier has the features such as high sensitivity and the response speed that is exceedingly fast, and it becomes first-selected photoelectric device in spectrographic detection and atomic weak fast light information detection etc.It is commonly employed in fields such as deep space probing, nuclear industry, geological prospecting, life sciences.Photomultiplier generally adopts resistance chain voltage divider high-tension electricity dividing potential drop to be powered to each dynode.To the precision of power supply and stability all very high.
Now commercially generally have the high voltage source of two class formations, a class is numerical control, and a class is analogue enlargement, uses in the majority with analogue enlargement.Photomultiplier high voltage source generally adopts one-level voltage stabilizing to control in the market, and precision and stability are all relatively low, and high voltage source is separated with resistance chain voltage divider, causes volume large, uses inconvenient shortcoming.
Summary of the invention
For the shortcoming and defect of photomultiplier high voltage source in the market, the invention provides a kind of photomultiplier transit effective high precision high stability degree small size negative high voltage power source and preparation method thereof.
The technical scheme that the present invention takes is: the effective small size negative high voltage power source of a kind of photomultiplier transit, it is characterized in that: negative high voltage power source circuit comprises DC power supply, sampling feedback circuit, voltage regulated power transistor, PWM controls voltage stabilizing circuit, power transistor, high frequency transformer, voltage doubling rectifing circuit, filter circuit and resistance chain voltage divider, wherein DC power supply respectively with sampling feedback circuit, voltage regulated power transistor connects, voltage regulated power transistor respectively with sampling feedback circuit, PWM controls voltage stabilizing circuit, power transistor, high frequency transformer connects, high frequency transformer is connected with voltage doubling rectifing circuit, voltage doubling rectifing circuit is connected with filter circuit.
The manufacture method of the effective small size negative high voltage power source of a kind of photomultiplier transit of the present invention, it is characterized in that: negative high voltage power source circuit is divided into some parts, be made into some pieces and be all the pcb board of cylindrical shape with base, adopt the method for stacked welding, some pieces of pcb boards and base are electrically connected, its step is as follows:
(1). the base of cylindrical shape is put into pre-processed copper band internal fixtion;
(2). by the pcb board of wherein one piece of cylindrical shape and base assembly welding;
(3). by that analogy, successively by the pcb board wire jumper assembly welding of remaining several pieces of cylindrical shape together;
(4). be installed to after having welded input-output line in shell;
(5). finally carry out embedding with polyurethane insulating glue, the fixing some pieces of positions of pcb board in shell.
The beneficial effect that the present invention produces is: use secondary voltage stabilizing control topology, stability has a very significant increase comparatively speaking, the method adopting feedback control loop to power separately, improves the precision of power supply.Simultaneously by circuit integrated for resistance chain voltage divider, in conjunction with many flaggies stacked group dress technology, the volume of photomultiplier is significantly reduced.
Accompanying drawing explanation
Fig. 1 is negative high voltage power source circuit catenation principle block diagram of the present invention;
Fig. 2 is negative high voltage power source overall structure appearance schematic diagram of the present invention;
Fig. 3 is the decomposing schematic representation of Fig. 2;
Fig. 4 is the electrical schematic diagram of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
With reference to Fig. 1, negative high voltage power source circuit comprises DC power supply 100, sampling feedback circuit 106, voltage regulated power transistor 101, PWM controls voltage stabilizing circuit 103, power transistor 104, high frequency transformer 102, voltage doubling rectifing circuit 105, filter circuit 107 and resistance chain voltage divider 108, wherein DC power supply 100 respectively with sampling feedback circuit 106, voltage regulated power transistor 101 connects, voltage regulated power transistor 101 respectively with sampling feedback circuit 106, PWM controls voltage stabilizing circuit 103, power transistor 104, high frequency transformer 102 connects, high frequency transformer 102 is connected with voltage doubling rectifing circuit, voltage doubling rectifing circuit 105 is connected with filter circuit 107.
Below to export the photomultiplier transit effective high precision high stability degree small size power supply for-1300V, describe the function of each device in detail with reference to Fig. 4 and realize principle:
Externally fed DC power supply 100 is by entering the primary side of high frequency transformer 102 after voltage regulated power transistor 101 voltage stabilizing, now PWM controls conducting and the cut-off that voltage stabilizing circuit 103 produces drive waveforms driving power transistor 104, high frequency transformer 102 is worked, at the high-voltage pulse of secondary generation about the 200V of high frequency transformer 102, this high-voltage pulse becomes the negative high voltage DC power supply of-1300V by voltage doubling rectifing circuit 105 boosting be made up of electric capacity and diode.The negative high voltage DC power supply of this-1300V is divided into two-way, leads up to the sampling feedback circuit 106 be made up of sample circuit A and operational amplifier, exports a feedback signal and controls voltage regulated power transistor 101 and realize voltage stabilizing loop.Preset adjustment input port at sampling feedback circuit 106 in addition, by the voltage to port input 0-10V, can feedback signal be regulated, reach the object of adjustment output voltage.An other road-1300V is by obtaining a high-quality-1300V out-put supply after filter circuit 107.13 grades of pole tensions should be divided into for the work of photomultiplier transit pipe electrode by-1300V out-put supply by resistance chain voltage divider 108.
With reference to Fig. 2 and Fig. 3, the pcb board (PCB4) of the present invention's wherein one piece of cylindrical shape good with base 9 assembly welding is positioned on the circle mouth of copper band 10, and the pcb board diameter of some pieces of cylindrical shapes is all equal with the circle mouth overall diameter of copper band 10.
With reference to Fig. 3, negative high voltage power source circuit is divided into four parts by the present invention, be made into four pieces and be all the pcb board of cylindrical shape with base, be respectively: PCB1 plate, PCB2 plate, PCB3 plate and PCB4 plate, PCB1 plate comprises: DC supply input, voltage regulated power transistor circuit, high frequency transformer, pwm control circuit and power transistor; PCB2 plate comprises: voltage doubling rectifing circuit and sampling feedback circuit; PCB3 plate comprises: filter circuit; PCB4 plate comprises: resistance chain bleeder circuit.Be PCB4 plate with the pcb board of wherein one piece of cylindrical shape of base assembly welding, by that analogy, the pcb board assembly welding order of all the other several pieces of cylindrical shapes is followed successively by PCB3 plate, PCB2 plate, PCB1 plate.
After having welded input-output line, by be assembled into one base 9, copper band 10 and four pieces of pcb board integral installations are in shell 11; Finally carry out embedding with polyurethane insulating glue, fix four pieces of pcb board positions in shell 11.
Claims (5)
1. the effective small size negative high voltage power source of photomultiplier transit, it is characterized in that: negative high voltage power source circuit comprises DC power supply, sampling feedback circuit, voltage regulated power transistor, PWM controls voltage stabilizing circuit, power transistor, high frequency transformer, voltage doubling rectifing circuit, filter circuit and resistance chain voltage divider, wherein DC power supply respectively with sampling feedback circuit, voltage regulated power transistor connects, voltage regulated power transistor respectively with sampling feedback circuit, PWM controls voltage stabilizing circuit, power transistor, high frequency transformer connects, high frequency transformer is connected with voltage doubling rectifing circuit, voltage doubling rectifing circuit is connected with filter circuit.
2. the manufacture method of the effective small size negative high voltage power source of photomultiplier transit as claimed in claim 1, it is characterized in that: negative high voltage power source circuit is divided into some parts, be made into some pieces and be all the pcb board of cylindrical shape with base, adopt the method for stacked welding, some pieces of pcb boards and base are electrically connected, its step is as follows:
(1). the base of cylindrical shape is put into pre-processed copper band internal fixtion;
(2). by the pcb board of wherein one piece of cylindrical shape and base assembly welding;
(3). by that analogy, successively by the pcb board wire jumper assembly welding of remaining several pieces of cylindrical shape together;
(4). be installed to after having welded input-output line in shell;
(5). finally carry out embedding with polyurethane insulating glue, the fixing some pieces of positions of pcb board in shell.
3. the manufacture method of the effective small size negative high voltage power source of a kind of photomultiplier transit according to claim 2, it is characterized in that: the pcb board of described wherein one piece of cylindrical shape good with base assembly welding is positioned on the circle mouth of copper band, and the pcb board diameter of some pieces of cylindrical shapes is all equal with the circle mouth overall diameter of copper band.
4. the manufacture method of the effective small size negative high voltage power source of a kind of photomultiplier transit according to claim 2, it is characterized in that: negative high voltage power source circuit is divided into four parts, be made into four pieces and be all the pcb board of cylindrical shape with base, be respectively: PCB1 plate, PCB2 plate, PCB3 plate and PCB4 plate, PCB1 plate comprises: DC supply input, voltage regulated power transistor circuit, high frequency transformer, pwm control circuit and power transistor; PCB2 plate comprises: voltage doubling rectifing circuit and sampling feedback circuit; PCB3 plate comprises: filter circuit; PCB4 plate comprises: resistance chain bleeder circuit.
5. according to the manufacture method of claim 2 or the effective small size negative high voltage power source of a kind of photomultiplier transit according to claim 4, it is characterized in that: be PCB4 plate with the pcb board of wherein one piece of cylindrical shape of base assembly welding, by that analogy, the pcb board assembly welding order of all the other several pieces of cylindrical shapes is followed successively by PCB3 plate, PCB2 plate, PCB1 plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510950799.5A CN105429456A (en) | 2015-12-19 | 2015-12-19 | Small-volume negative high voltage power supply for photomultiplier tube and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510950799.5A CN105429456A (en) | 2015-12-19 | 2015-12-19 | Small-volume negative high voltage power supply for photomultiplier tube and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105429456A true CN105429456A (en) | 2016-03-23 |
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ID=55507452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510950799.5A Pending CN105429456A (en) | 2015-12-19 | 2015-12-19 | Small-volume negative high voltage power supply for photomultiplier tube and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105429456A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106406406A (en) * | 2016-11-04 | 2017-02-15 | 绵阳市维博电子有限责任公司 | Constant voltage modulation circuit and circuit for control and stabilization of voltage-multiplying circuit |
| CN108336894A (en) * | 2018-04-20 | 2018-07-27 | 吉林大学 | A kind of device and control method improving photomultiplier output signal-noise ratio |
| CN111930166A (en) * | 2020-09-27 | 2020-11-13 | 深圳市海创光学有限公司 | Control circuit, linear compensation method and solid-state photomultiplier module |
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| CN2379910Y (en) * | 1997-11-01 | 2000-05-24 | 深圳奥沃国际科技发展有限公司 | Electron-multiplier tube |
| US7009162B2 (en) * | 2002-11-12 | 2006-03-07 | Baker Hughes Incorporated | Photomultiplier power supply with primary and secondary transformer windings |
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| CN101694965A (en) * | 2009-10-16 | 2010-04-14 | 天津市东文高压电源厂 | Subminiature auto-excitation type high-voltage module power supply special for photomultipliers |
| CN102299124A (en) * | 2010-06-28 | 2011-12-28 | 三菱电机株式会社 | Resin sealing type electronic controlling means and producing method thereof |
| CN202798468U (en) * | 2012-07-19 | 2013-03-13 | 天津华拓科技有限公司 | Photomultiplier high-voltage power supply |
| CN103841758A (en) * | 2012-11-26 | 2014-06-04 | 西安威正电子科技有限公司 | Small structure for PCB assembliy of product |
| CN203775034U (en) * | 2014-03-27 | 2014-08-13 | 国营第七五九厂 | High-efficiency onboard power supply for supplying high voltage for photomultiplier |
| CN104541592A (en) * | 2012-09-04 | 2015-04-22 | 富士电机株式会社 | Intelligent module |
| CN104795304A (en) * | 2014-01-16 | 2015-07-22 | 上海联影医疗科技有限公司 | Magnification-adjustable PMT voltage division circuit |
| CN105047640A (en) * | 2015-08-12 | 2015-11-11 | 深圳市槟城电子有限公司 | Port-protecting circuit integrating and packaging element and manufacturing method thereof |
-
2015
- 2015-12-19 CN CN201510950799.5A patent/CN105429456A/en active Pending
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| CN2379910Y (en) * | 1997-11-01 | 2000-05-24 | 深圳奥沃国际科技发展有限公司 | Electron-multiplier tube |
| US7009162B2 (en) * | 2002-11-12 | 2006-03-07 | Baker Hughes Incorporated | Photomultiplier power supply with primary and secondary transformer windings |
| US7400119B1 (en) * | 2003-04-16 | 2008-07-15 | Sandia Corporation | Modular high voltage power supply for chemical analysis |
| CN101390188A (en) * | 2006-02-28 | 2009-03-18 | 滨松光子学株式会社 | Photomultiplier, radiation sensor, and photomultiplier fabricating method |
| JP2010054364A (en) * | 2008-08-28 | 2010-03-11 | Hamamatsu Photonics Kk | Drive circuit of photomultiplier tube |
| CN101694965A (en) * | 2009-10-16 | 2010-04-14 | 天津市东文高压电源厂 | Subminiature auto-excitation type high-voltage module power supply special for photomultipliers |
| CN102299124A (en) * | 2010-06-28 | 2011-12-28 | 三菱电机株式会社 | Resin sealing type electronic controlling means and producing method thereof |
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| CN103841758A (en) * | 2012-11-26 | 2014-06-04 | 西安威正电子科技有限公司 | Small structure for PCB assembliy of product |
| CN104795304A (en) * | 2014-01-16 | 2015-07-22 | 上海联影医疗科技有限公司 | Magnification-adjustable PMT voltage division circuit |
| CN203775034U (en) * | 2014-03-27 | 2014-08-13 | 国营第七五九厂 | High-efficiency onboard power supply for supplying high voltage for photomultiplier |
| CN105047640A (en) * | 2015-08-12 | 2015-11-11 | 深圳市槟城电子有限公司 | Port-protecting circuit integrating and packaging element and manufacturing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106406406A (en) * | 2016-11-04 | 2017-02-15 | 绵阳市维博电子有限责任公司 | Constant voltage modulation circuit and circuit for control and stabilization of voltage-multiplying circuit |
| CN106406406B (en) * | 2016-11-04 | 2017-09-29 | 绵阳市维博电子有限责任公司 | A kind of steady voltage regulator circuit and for voltage-multiplying circuit control and stable circuit |
| CN108336894A (en) * | 2018-04-20 | 2018-07-27 | 吉林大学 | A kind of device and control method improving photomultiplier output signal-noise ratio |
| CN111930166A (en) * | 2020-09-27 | 2020-11-13 | 深圳市海创光学有限公司 | Control circuit, linear compensation method and solid-state photomultiplier module |
| CN111930166B (en) * | 2020-09-27 | 2021-01-08 | 深圳市海创光学有限公司 | Control circuit, linear compensation method and solid-state photomultiplier module |
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Application publication date: 20160323 |
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