CN205945506U - High voltage generator and drive arrangement thereof - Google Patents
High voltage generator and drive arrangement thereof Download PDFInfo
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- CN205945506U CN205945506U CN201620880914.6U CN201620880914U CN205945506U CN 205945506 U CN205945506 U CN 205945506U CN 201620880914 U CN201620880914 U CN 201620880914U CN 205945506 U CN205945506 U CN 205945506U
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- 238000001514 detection method Methods 0.000 claims description 38
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The utility model relates to a drive control field, concretely relates to high voltage generator and drive arrangement thereof. Wherein, the drive arrangement of high voltage generator includes: the drive plate for according to the converter of drive signal drive high voltage generator, wherein, the converter includes the power switch device, and drive signal is used for the drive power switching element, the drive protection circuit for whether detect drive signal unusual, the controller is connected respectively with drive plate and drive protection circuit for detect out control drive plate stop driving converter under the unusual condition of drive signal at the drive protection circuit. Through the utility model discloses, the problem of having avoided the converter to lead to the short circuit unusually or overflow owing to drive control realizes short -circuit protection.
Description
Technical field
This utility model is related to drive control field and in particular to a kind of high tension generator and its driving means.
Background technology
High tension generator also known as high voltage direct current generator, is the tradition address of high voltage power supply, refer to be mainly used in insulation and
High voltage power supply in detection of electrical leakage, current high voltage power supply and high tension generator have not had strict difference.High pressure is occurred
Changer part in device, typically to be realized by device for power switching, by the break-make of driving plate driving power switching device Lai
Realize ac-dc conversion.
Prevent mostly short-circuit protection and the overcurrent protection being to rely on driving plate itself of the protection that changer leads directly at present, and this
Protection be really produce short circuit or excessively stream in the converter after can detect, and the feelings of short circuit or excessively stream occur
Condition, is easily caused changer and burns.
Utility model content
The technical problems to be solved in the utility model cannot avoid changer extremely to lead due to drive control for prior art
Cause the problem of short circuit or excessively stream, thus providing a kind of high tension generator and its driving means.
This utility model provides a kind of driving means of high tension generator, including：Driving plate, for according to drive signal
Drive the changer of described high tension generator, wherein, described changer includes device for power switching, and described drive signal is used for driving
Move described device for power switching；Whether Drive Protecting Circuit is abnormal for detecting described drive signal；Controller, with described drive
Dynamic plate and described Drive Protecting Circuit are respectively connected with, for detecting that described drive signal is abnormal in described Drive Protecting Circuit
In the case of control described driving plate to stop driving described changer.
Further, described changer includes leading-bridge and lagging leg, and described Drive Protecting Circuit includes：First inspection
Survey branch road, for detecting the first drive signal, wherein, described first drive signal is for driving the work(on described leading-bridge
The drive signal of rate switching device；Second detection branch, for detecting the second drive signal, wherein, described second drive signal
It is the drive signal for driving the device for power switching on described lagging leg；Judge module, with described first detection branch
It is respectively connected with described second detection branch, for the detection according to described first detection branch and described second detection branch
Result exports detection signal to described controller, and wherein, described controller is carried out to described driving plate according to described detection signal
Control.
Further, described first detection branch includes the first OR circuit, and described first drive signal is from described first
The input input of OR circuit；Described second detection branch includes the second OR circuit, and described second drive signal is from described
The input input of the second OR circuit；Described judge module includes and gate circuit, input and described first OR circuit and
The outfan of described second OR circuit is connected.
Further, described judge module also includes not circuit, and input is connected with the outfan of gate circuit with described
Connect.
Further, described controller is digital signal processor.
Further, described device for power switching is insulated gate bipolar transistor.
Further, also include：Delay circuit, is connected with described driving plate, for being input to described driving plate
Drive signal carries out delay process.
This utility model additionally provides a kind of high tension generator, including：Changer including device for power switching；And institute
The driving means stated, for driving described changer.
Further, also include：Drive signal generator, for producing the drive signal driving described changer.
According to this utility model embodiment, using the driving means being provided with Drive Protecting Circuit and controller, by driving
Whether dynamic protection circuit detection drive signal is abnormal, if drive signal occurs extremely leading to changer short circuit or excessively stream,
Driving plate is controlled to stop utilizing the device for power switching of above-mentioned drive signal driving transducer by controller, thus avoiding changer
Because drive control leads to the problem of short circuit or excessively stream extremely, realize short-circuit protection or overcurrent protection.
Brief description
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
In specific embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of a specific example of driving means of this utility model embodiment mesohigh generator；
Fig. 2 is the schematic diagram of a specific example of Drive Protecting Circuit in this utility model embodiment.
Specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described it is clear that described
Embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of not making creative work, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, it should be noted that term " first ", " second ", " the 3rd " are only used for describing
Purpose, and it is not intended that indicating or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
Can also be the connection of two element internals, can be wireless connection or wired connection.Common skill for this area
For art personnel, concrete meaning in this utility model for the above-mentioned term can be understood with concrete condition.
As long as additionally, involved technical characteristic in this utility model different embodiments disclosed below is each other
The conflict of not constituting just can be combined with each other.
The present embodiment provides a kind of driving means of high tension generator, for driving to the changer in high tension generator
Dynamic control, as shown in figure 1, this driving means includes：Driving plate 10, Drive Protecting Circuit 20 and controller 30.
Driving plate 10 is used for driving the changer 40 of high tension generator according to drive signal, and wherein, changer 40 includes work(
Rate switching device, drive signal is used for driving power switching device.
Drive Protecting Circuit 20 is used for detecting whether drive signal is abnormal.
Controller 30 is respectively connected with driving plate 10 and Drive Protecting Circuit 20, for detecting in Drive Protecting Circuit 20
Driving plate 10 is controlled to stop driving transducer in the case of going out drive signal exception.
According to this utility model embodiment, using the driving means being provided with Drive Protecting Circuit and controller, by driving
Whether dynamic protection circuit detection drive signal is abnormal, if drive signal occurs extremely leading to changer short circuit or excessively stream,
Driving plate is controlled to stop utilizing the device for power switching of above-mentioned drive signal driving transducer by controller, thus avoiding changer
Because drive control leads to the problem of short circuit or excessively stream extremely, realize short-circuit protection or overcurrent protection.
As one kind preferred embodiment, changer includes leading-bridge and lagging leg, and Drive Protecting Circuit includes：
First detection branch, for detecting the first drive signal, wherein, the first drive signal is for driving the power on leading-bridge
The drive signal of switching device；Second detection branch, for detecting the second drive signal, wherein, the second drive signal be for
Drive the drive signal of the device for power switching on lagging leg；Judge module, with the first detection branch and the second detection branch
It is respectively connected with, export detection signal for the testing result according to the first detection branch and the second detection branch to controller,
Wherein, controller is controlled to driving plate according to detection signal.
As shown in figure 1, wherein changer comprises two half-bridges, one of half-bridge is leading-bridge, and another is delayed
Brachium pontis.Driving plate drives two half-bridges respectively using drive signal, and wherein, the drive signal of each half-bridge is multichannel, for dividing
Do not drive the device for power switching on this half-bridge.First detection branch and the second detection branch detect the driving of two half-bridges respectively
Circuit, tentatively can be judged to the drive signal detecting, and then will determine that result sends to judge module, by this judgement
Module is subsequently judged, and sends detection signal to controller, and wherein, abnormal or normal detection signal is different letters
Number, for example, normal signal is low level signal, abnormal for high level signal.
As further preferred embodiment, as shown in Fig. 2 wherein, the first detection branch includes Drive Protecting Circuit
First OR circuit OR1, the first drive signal (including PWM1 and PWM2) is from the input input of the first OR circuit OR1；The
Two detection branch include the second OR circuit OR2, and the second drive signal (including PWM3 and PWM4) is from the second OR circuit OR2's
Input inputs；Judge module includes and gate circuit AND, input and the first OR circuit OR1's and the second OR circuit OR2
Outfan is connected.
Specifically, can arrange drive signal is that 0 (low level) turns on, and 1 (high level) turns off.PWM1 and PWM2 is advanced
The drive signal of brachium pontis, PWM3 and PWM4 is the drive signal of lagging leg.When the drive signal of the upper down tube of any brachium pontis is same
When for 0 when, Drive Protecting Circuit can produce a level signal to controller.Further, judge module also includes not gate electricity
Road INV, input is connected with the outfan of gate circuit.Now, when the drive signal of the upper down tube of any brachium pontis is 0 simultaneously
When, Drive Protecting Circuit produces a high level signal IGBT_SC and gives controller, and controller makes driving stop immediately, thus
Play a protective role.
Drive Protecting Circuit in the present embodiment is made up of gate circuit, and structure is simple, is swift in response, with low cost.
As an optional embodiment, controller noted above is digital signal processor (DSP).
In the present embodiment, above-mentioned drive signal can have this digital signal processor to produce it is also possible to be sent out by other signals
Raw device produces.
As an optional embodiment, above-mentioned device for power switching is insulated gate bipolar transistor.
As an optional embodiment, the driving means of the present embodiment also include：Delay circuit, is connected with driving plate
Connect, for delay process is carried out to the drive signal being input to driving plate.
In the present embodiment, before inputting drive signal to driving plate, first using delay circuit, drive signal is carried out
Delay process, with avoid Drive Protecting Circuit to drive signal detection during, driving plate utilized this drive signal Lai
The device for power switching of driving transducer.
According to another aspect of the present utility model, there is provided a kind of high tension generator, including：Including device for power switching
Changer；Above-mentioned driving means, for driving transducer.
This high tension generator can be medical high tension generator, by using above-mentioned driving means, improving medical high pressure
The stability of raw device work and safety.
The drive signal of the present embodiment can be produced by the controller in driving means, and alternatively, high tension generator is also
Including：Drive signal generator, for producing the drive signal of driving transducer.
That is to say that above-mentioned drive signal to be produced by single drive signal generator, such as driving chip etc..
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among the protection domain created still in this utility model.
Claims (9)
1. a kind of driving means of high tension generator are it is characterised in that include：
Driving plate, for driving the changer of described high tension generator according to drive signal, wherein, described changer includes power
Switching device, described drive signal is used for driving described device for power switching；
Whether Drive Protecting Circuit is abnormal for detecting described drive signal；
Controller, is respectively connected with described driving plate and described Drive Protecting Circuit, in the inspection of described Drive Protecting Circuit
Described driving plate is controlled to stop driving described changer in the case of measuring described drive signal exception.
2. driving means according to claim 1 are it is characterised in that described changer includes leading-bridge and delayed bridge
Arm, described Drive Protecting Circuit includes：
First detection branch, for detecting the first drive signal, wherein, described first drive signal is described advanced for driving
The drive signal of the device for power switching on brachium pontis；
Second detection branch, for detecting the second drive signal, wherein, described second drive signal is described delayed for driving
The drive signal of the device for power switching on brachium pontis；
Judge module, is respectively connected with described first detection branch and described second detection branch, for according to described first
The testing result of detection branch and described second detection branch exports detection signal, wherein, described controller to described controller
According to described detection signal, described driving plate is controlled.
3. driving means according to claim 2 it is characterised in that
Described first detection branch includes the first OR circuit, and described first drive signal is from the input of described first OR circuit
End input；
Described second detection branch includes the second OR circuit, and described second drive signal is from the input of described second OR circuit
End input；
Described judge module includes and gate circuit, the output of input and described first OR circuit and described second OR circuit
End is connected.
4. driving means according to claim 3, it is characterised in that described judge module also includes not circuit, input
End is connected with the outfan of gate circuit with described.
5. driving means according to any one of claim 1 to 4 are it is characterised in that described controller is digital signal
Processor.
6. driving means according to any one of claim 1 to 4 are it is characterised in that described device for power switching is exhausted
Edge grid bipolar transistor.
7. driving means according to any one of claim 1 to 4 are it is characterised in that also include：Delay circuit, with institute
State driving plate to be connected, for carrying out delay process to the drive signal being input to described driving plate.
8. a kind of high tension generator is it is characterised in that include：
Changer including device for power switching；And
Driving means any one of claim 1 to 7, for driving described changer.
9. high tension generator according to claim 8 is it is characterised in that also include：
Drive signal generator, for producing the drive signal driving described changer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880914.6U CN205945506U (en) | 2016-08-15 | 2016-08-15 | High voltage generator and drive arrangement thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880914.6U CN205945506U (en) | 2016-08-15 | 2016-08-15 | High voltage generator and drive arrangement thereof |
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| Publication Number | Publication Date |
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| CN205945506U true CN205945506U (en) | 2017-02-08 |
Family
ID=57921554
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| CN201620880914.6U Active CN205945506U (en) | 2016-08-15 | 2016-08-15 | High voltage generator and drive arrangement thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120739A (en) * | 2018-02-07 | 2019-08-13 | 丰田自动车株式会社 | The control method of power converter and power converter |
| CN110596565A (en) * | 2018-06-12 | 2019-12-20 | 佛山市顺德区美的电热电器制造有限公司 | Fault detection method of drive chip, drive chip and main control chip |
| CN112825435A (en) * | 2019-11-21 | 2021-05-21 | 株洲中车时代电气股份有限公司 | Control device of railway vehicle shaft end power generation system and shaft end power generation system |
-
2016
- 2016-08-15 CN CN201620880914.6U patent/CN205945506U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120739A (en) * | 2018-02-07 | 2019-08-13 | 丰田自动车株式会社 | The control method of power converter and power converter |
| CN110120739B (en) * | 2018-02-07 | 2021-03-16 | 株式会社电装 | Power converter and control method of power converter |
| CN110596565A (en) * | 2018-06-12 | 2019-12-20 | 佛山市顺德区美的电热电器制造有限公司 | Fault detection method of drive chip, drive chip and main control chip |
| CN112825435A (en) * | 2019-11-21 | 2021-05-21 | 株洲中车时代电气股份有限公司 | Control device of railway vehicle shaft end power generation system and shaft end power generation system |
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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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High voltage generator and drive arrangement thereof Effective date of registration: 20181224 Granted publication date: 20170208 Pledgee: China Construction Bank Co., Ltd. Suzhou High-tech Industrial Development Zone Branch Pledgor: SUZHOU POSTEK ELECTRICAL CO., LTD. Registration number: 2018320010053 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200317 Granted publication date: 20170208 Pledgee: China Construction Bank Co., Ltd. Suzhou High-tech Industrial Development Zone Branch Pledgor: SUZHOU POWERSITE ELECTRIC Co.,Ltd. Registration number: 2018320010053 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High voltage generator and drive arrangement thereof Effective date of registration: 20200319 Granted publication date: 20170208 Pledgee: China Construction Bank Co., Ltd. Suzhou High-tech Industrial Development Zone Branch Pledgor: SUZHOU POWERSITE ELECTRIC Co.,Ltd. Registration number: Y2020320010008 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210128 Granted publication date: 20170208 Pledgee: China Construction Bank Co.,Ltd. Suzhou High tech Industrial Development Zone Branch Pledgor: SUZHOU POWERSITE ELECTRIC Co.,Ltd. Registration number: Y2020320010008 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high voltage generator and its driving device Effective date of registration: 20210202 Granted publication date: 20170208 Pledgee: China Construction Bank Co.,Ltd. Suzhou High tech Industrial Development Zone Branch Pledgor: SUZHOU POWERSITE ELECTRIC Co.,Ltd. Registration number: Y2021320010045 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220113 Granted publication date: 20170208 Pledgee: China Construction Bank Co.,Ltd. Suzhou High tech Industrial Development Zone Branch Pledgor: SUZHOU POWERSITE ELECTRIC Co.,Ltd. Registration number: Y2021320010045 |