CN105223425B - Automatically system is destaticed - Google Patents
Automatically system is destaticed Download PDFInfo
- Publication number
- CN105223425B CN105223425B CN201510705480.6A CN201510705480A CN105223425B CN 105223425 B CN105223425 B CN 105223425B CN 201510705480 A CN201510705480 A CN 201510705480A CN 105223425 B CN105223425 B CN 105223425B
- Authority
- CN
- China
- Prior art keywords
- signal
- electrostatic
- measurement probe
- ion
- electrostatic measurement
- Prior art date
- 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.)
- Active
Links
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses one kind to destatic system automatically, including electrostatic measurement probe, reference signal generator, Signal Pretreatment unit, wave detector and ion generator, the ion that the ion generator generates is sprayed to tested electrical body surface, to eliminate the electrostatic on the tested electrical body.The present invention accurately measures the electrostatic electricity and polarity of tested electrical body by electrostatic measurement probe, after ovennodulation, amplification, detection the generation of high-pressure ion generator is controlled to destatic ion the signal measured, the signal that electrostatic measurement probe detects is stronger, it is more that then high-pressure ion generator generated destatics ion, the ion of generation is sprayed to tested electrical body surface, the polarity for destaticing ion is opposite with electrostatic polarity, electrostatic can be neutralized, it is completely removed until being tested electrical body surface electrostatic, it is good to destatic effect.
Description
Technical field
The present invention relates to electrostatic protection technical fields more particularly to one kind to destatic system automatically.
Background technology
Electrostatic usually brings inconvenience in production and living, and router circuit plate and hand are produced in factory mass
During mounted circuit board etc., can electrostatic be brought by the friction and human body of dust, object in air, small electrostatic all may be used
Component can be punctured, cause the damage to circuit board and component, the electrostatic of extra-high voltage but will make one fatal.It is especially industrial
In production, such as paper-making industry, press, manufacture of microchips, static discharge can usually bring destructive destruction to them.
Static removal equipment used in factory at present, such as electrostatic ring can only be destaticed blindly, i.e., regardless of body surface band
Which kind of charge, and it is unified to the positive and negative two kinds of ions of object injection.So doing cannot thoroughly remove for the polarity and electricity of electrostatic
Electrostatic is removed, because another polar ion may be introduced while a kind of polar ion is removed, introduced ion pair member device
Part has certain adverse effect.
The content of the invention
The purpose of the present invention is to solve, current static removal equipment cannot be directed to the polarity of electrostatic and electricity thoroughly removes
Electrostatic, so as to the technical issues of having a negative impact to component.
In order to solve the above technical problem, the present invention provides one kind to destatic system automatically, including electrostatic measurement probe, ginseng
Examine signal generator, Signal Pretreatment unit, wave detector and ion generator, the electrostatic measurement probe signal output terminal connection
To the input terminal of the Signal Pretreatment unit, what the output terminal of the Signal Pretreatment unit was connected to the wave detector selects ripple
Signal input part, the electrostatic measurement probe and the reference signal generator electromagnetic coupling, the reference signal generator are defeated
Outlet is connected to the reference signal input terminal of the wave detector, and the signal output part of the wave detector is connected to the ion and occurs
The input terminal of device, the ion that the ion generator generates is sprayed to tested electrical body surface, to eliminate the tested electrical body
On electrostatic.
Further, the Signal Pretreatment unit includes impedance transformer and AC amplifier, and the electrostatic measurement is visited
Head signal output part is connected to the impedance transformer input terminal, and the impedance transformer output terminal is connected to the exchange amplification
Device input terminal, what the AC amplifier output terminal was connected to the wave detector selects ripple signal input part；
The impedance transformer is used to make the output impedance of the electrostatic measurement probe and the input of the AC amplifier
Matches impedances；
The AC amplifier is used to that the output signal of electrostatic measurement probe to be modulated and amplified, output
First AC signal send to the wave detector and selects ripple signal input part.
Further, the reference signal generator includes coil and oscillator, and the coil is connected with the oscillator,
The coil electromagnetism is coupled to the electrostatic measurement probe, and the oscillator output end is connected to the reference signal of the wave detector
Input terminal；
When electrostatic measurement probe detects electrostatic signal, voltage is generated in the electrostatic measurement is popped one's head in, so as to
The first of short duration electric current, first current induced magnetic field are formed, the coil generates the second electric current under the magnetic excitation,
Second electric current is converted to the second AC signal being concerned with first AC signal through the oscillator, as the inspection
The reference signal of ripple device.
Further, the wave detector is phase-sensitive detector.
Further, electrostatic measurement probe includes pole plate, sensitization capacitance and input resistance, the sensitization capacitance and defeated
One end is connected with the pole plate after entering resistor coupled in parallel, other end ground connection.
Further, the input resistance ＞ 1014Ohm.
Further, potential display is further included, the input terminal of the potential display and the signal of the wave detector are defeated
Outlet connects, for the current potential for the electrostatic that electrostatic measurement probe described in real-time display detects.
The present invention accurately measures the electrostatic electricity and polarity of tested electrical body, the signal that will be measured by electrostatic measurement probe
The generation of high-pressure ion generator is controlled to destatic ion, the signal that electrostatic measurement probe detects after ovennodulation, amplification, detection
Stronger, then what high-pressure ion generator generated destatics that ion is more, and the ion of generation is sprayed to tested electrical body surface, except quiet
The polarity of electron ion is with electrostatic polarity on the contrary, electrostatic can be neutralized, so as to eliminate and destatic the electrostatic of the electricity such as ion；It eliminates
After a part of electrostatic, the signal that electrostatic measurement probe detects also accordingly reduces, then what high-pressure ion generator generated destatics
Ion is also accordingly reduced, and so Xun Huan is gone down always, is completely removed until being tested electrical body surface electrostatic, is destaticed effect
It is good.The present invention makes circuit be operated in different capacity, avoids unnecessary according to the different electricity of tested electrical body surface institute band
Power dissipation.
Description of the drawings
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the functional block diagram of one embodiment of the invention；
Fig. 3 is the structure diagram that electrostatic measurement is popped one's head in the embodiment of the present invention.
In figure, electrostatic measurement probe 1；Impedance transformer 2；AC amplifier 3；Phase-sensitive detector 4；Coil 5；Oscillator 6；
Potential display 7；Ion generator 8；Tested electrical body 9.
Specific embodiment
Presently in connection with drawings and examples, the present invention is described in further detail.These attached drawings are simplified signal
Figure only illustrates the basic structure of the present invention in a schematic way, therefore it only shows composition related to the present invention, and it should not be managed
It solves as limitation of the present invention.
As shown in Figure 1, the automatic of the present invention destatics system, including electrostatic measurement probe, reference signal generator, signal
Pretreatment unit, wave detector and ion generator, the electrostatic measurement probe signal output terminal are connected to the Signal Pretreatment
The input terminal of unit, what the output terminal of the Signal Pretreatment unit was connected to the wave detector selects ripple signal input part, described
Electrostatic measurement is popped one's head in is connected to the inspection with the reference signal generator electromagnetic coupling, the reference signal generator output terminal
The reference signal input terminal of ripple device, the signal output part of the wave detector is connected to the input terminal of the ion generator, described
The ion that ion generator generates is sprayed to tested electrical body surface, to eliminate the electrostatic on the tested electrical body.
Embodiment as shown in Figures 2 and 3, electrostatic measurement probe 1 includes pole plate, sensitization capacitance Cb and input resistance Rb, quick
One end is connected with the pole plate after electrification holds Cb and input resistance Rb parallel connections, other end ground connection.When electrostatic measurement probe 1 is close to quilt
When surveying electrical body 9, pole plate will form one " capacitance " Cw between tested electrical body 9, at the same on pole plate band be tested it is charged
The 9 electrically charged opposite polarity charge of institute of body, it is at this moment also charged on sensitization capacitance Cb, and two charged polarity of pole plate of Cb are with by measuring tape
Electric body 9 is related.
Wave detector uses phase-sensitive detector 4, and Signal Pretreatment unit includes impedance transformer 2 and AC amplifier 3, described
Electrostatic measurement 1 signal output part of probe is connected to 2 input terminal of impedance transformer, 2 output terminal of the impedance transformer connection
To 3 input terminal of AC amplifier, what 3 output terminal of AC amplifier was connected to phase-sensitive detector 4 selects ripple signal to input
End.The impedance transformer 2 is used to hinder the output impedance of the electrostatic measurement probe 1 and the input of the AC amplifier 3
It is anti-to match；The AC amplifier 3 is used to that the output signal of electrostatic measurement probe 1 to be modulated and amplified, defeated
The first AC signal gone out send to the phase-sensitive detector 4 and selects ripple signal input part.
Electrostatic has the characteristics that electricity is few, voltage is high, therefore influence of a little loss of measured data to result is all
It is very big.For entire circuit transmission power is made to maximize, it is necessary to which impedance transformer 2 is adjusted circuit so that front stage
Input and output impedance matching, reaches maximum transmission power.
AC amplifier 3 has the characteristics that reduce drift and low noise, and the signal that electrostatic measurement probe 1 is collected is non-
It is often faint, it is impossible to be transmitted directly to rear class, and the signal collected cannot be transmitted, it is necessary to load on carrier wave.
Carrier wave is done using AC signal in this circuit, is so conducive to the detection of subsequent conditioning circuit.In order to keep the integrality of signal and have
Effect amplification, selects AC amplifier 3 herein.
Reference signal generator includes coil 5 and oscillator 6, and the coil 5 is connected with the oscillator 6, the coil 5
The electrostatic measurement probe 1 is electromagnetically coupled to, 6 output terminal of oscillator is connected to the reference signal input of phase-sensitive detector 4
End；When electrostatic measurement probe 1 detects electrostatic signal, voltage is generated in electrostatic measurement probe 1, so as to be formed
The first of short duration electric current, first current induced magnetic field, the coil 5 generate the second electric current, institute under the magnetic excitation
It states the second electric current and is converted to the second AC signal being concerned with first AC signal through the oscillator 6, examined as phase sensitivity
The reference signal of 4 detection of ripple device.Phase-sensitive detector 4, will be from friendship using the second AC signal that oscillator 6 transmits as signal is referred to
Useful signal in the first AC signal that stream amplifier 3 transmits extracts, and filters garbage signal.It is i.e. available at this time
The carried charge of tested electrical body 9 and charged polarity.Electrostatic polarity and electrostatic electricity the size triggering detected according to phase-sensitive detector 4
The generation of ion generator 8 and the opposite polarity ion of tested 9 surface electrostatic of electrical body simultaneously spray to tested 9 surface of electrical body, ion
The ion that generator 8 is emitted is directly injected in air, is tested electrical body 9 and is attracted sprayed ion, reaches neutralization
The effect of institute's static electrification.
Due to electrostatic electricity very little, even if being surveyed so there is a small amount of charge to flow into electrostatic from electrical body during electrostatic test
Amount probe 1 or leakage are fallen, and can all cause very big measurement error, and the electrostatic measurement 1 pair of original field distribution of probe introduced
It can have a huge impact, to reduce the influence of electrostatic measurement 1 pair of electrostatic test of probe, it is desirable that electrostatic measurement probe 1 has very
Small input (or coupling) capacitance, i.e. sensitization capacitance Cb very littles, highly necessary seeks high input resistance Rb, it is preferable that Rb ＞ 1014Europe
Nurse.
Preferably, also potential display 7 can be connected in 4 output terminal of phase-sensitive detector, is visited for real-time display electrostatic measurement
The current potential of first 1 electrostatic detected.
Assuming that 9 charged+KQ of tested electrical body, impedance is carried out after 1 detection of electrostatic measurement probe through impedance transformer 2
Match somebody with somebody, after being modulated amplification using AC amplifier 3, export the voltage signal of the first ac current signal or amplitude for XU,
Signal exports positive pulse and ion generator 8 is controlled to generate negative electrical charge, while export always all the way after phase-sensitive detector 4
Flow component of voltage X2U, under the control of 7 algorithm of potential display, show polarities of potentials and size, phase-sensitive detector 4 control from
It is X3Q that electronic generator 8, which generates electricity, and polarity is negative charge, and charge and the measured object+KQ of-X3Q are neutralized, and elimination+KQ's is quiet
Electricity, the signal that electrostatic measurement probe 1 collects at this time reduce, and late-class circuit changes therewith, and coil 5 also collects smaller letter
Number, phase-sensitive detector 4 is transferred to by oscillator 6 and makes reference signal, the signal detected becomes smaller, and ion generator 8 receives
Signal, power are reduced.So Xun Huan is gone down always, until body surface electrostatic is completely removed.
Using above-mentioned desirable embodiment according to the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determine its technical scope according to right.
Claims (6)
1. destatic system automatically, which is characterized in that including electrostatic measurement probe, reference signal generator, Signal Pretreatment list
Member, wave detector and ion generator, the electrostatic measurement probe signal output terminal are connected to the defeated of the Signal Pretreatment unit
Enter end, what the output terminal of the Signal Pretreatment unit was connected to the wave detector selects ripple signal input part, the electrostatic measurement
Probe and the reference signal generator electromagnetic coupling, the reference signal generator output terminal are connected to the ginseng of the wave detector
Signal input part is examined, the signal output part of the wave detector is connected to the input terminal of the ion generator, and the ion occurs
The ion that device generates is sprayed to tested electrical body surface, to eliminate the electrostatic on the tested electrical body；
The electrostatic measurement probe includes pole plate, sensitization capacitance Cb and input resistance Rb, the sensitization capacitance Cb and the input
One end is connected with the pole plate after resistance Rb parallel connections, other end ground connection；When electrostatic measurement probe is close to tested electrical body,
A capacitance Cw is formed between the pole plate and tested electrical body, is taken and the electrically charged opposite polarity electricity of tested electrical body institute
Lotus；It is also charged on sensitization capacitance Cb, and two charged polarity of pole plate in sensitization capacitance Cb are related with tested electrical body.
2. according to claim 1 destatic system automatically, which is characterized in that the Signal Pretreatment unit includes impedance
Converter and AC amplifier, the electrostatic measurement probe signal output terminal is connected to the impedance transformer input terminal, described
Impedance transformer output terminal is connected to the AC amplifier input terminal, and the AC amplifier output terminal is connected to the detection
Device selects ripple signal input part；
The impedance transformer is used to make the output impedance of the electrostatic measurement probe and the input impedance of the AC amplifier
Match；
The AC amplifier is used to that the output signal of electrostatic measurement probe to be modulated and amplified, and the first of output
AC signal send to the wave detector and selects ripple signal input part.
3. according to claim 2 destatic system automatically, which is characterized in that the reference signal generator includes coil
And oscillator, the coil are connected with the oscillator, the coil electromagnetism is coupled to the electrostatic measurement probe, the vibration
Device output terminal is connected to the reference signal input terminal of the wave detector；
When electrostatic measurement probe detects electrostatic signal, voltage is generated in the electrostatic measurement is popped one's head in, so as to be formed
The first of short duration electric current, first current induced magnetic field, the coil generates the second electric current under the magnetic excitation, described
Second electric current is converted to the second AC signal being concerned with first AC signal through the oscillator, as the wave detector
Reference signal.
4. according to claim 3 destatic system automatically, which is characterized in that the wave detector is phase-sensitive detector.
5. according to claim 1 destatic system automatically, which is characterized in that the input resistance ＞ 1014Ohm.
6. system is destaticed according to claim 1-5 any one of them automatically, which is characterized in that potential display is further included,
The input terminal of the potential display is connected with the signal output part of the wave detector, is visited for electrostatic measurement described in real-time display
The current potential for the electrostatic that head detects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705480.6A CN105223425B (en) | 2015-10-27 | 2015-10-27 | Automatically system is destaticed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705480.6A CN105223425B (en) | 2015-10-27 | 2015-10-27 | Automatically system is destaticed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105223425A CN105223425A (en) | 2016-01-06 |
| CN105223425B true CN105223425B (en) | 2018-05-18 |
Family
ID=54992491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510705480.6A Active CN105223425B (en) | 2015-10-27 | 2015-10-27 | Automatically system is destaticed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105223425B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102292B (en) * | 2016-07-25 | 2017-10-20 | 长兴县鑫盛轻纺有限公司 | A kind of elasticizer automatic static electricity eliminating device |
| CN106343836B (en) * | 2016-08-31 | 2018-05-22 | 广东伟略科技有限公司 | A kind of intelligence destatics bedding and its neutralizing method |
| CN107640374A (en) * | 2016-12-01 | 2018-01-30 | 中国石油化工股份有限公司 | Polyester slice packaging operation electrostatic measurement and removing method |
| CN110562550A (en) * | 2018-06-06 | 2019-12-13 | 中国石油化工股份有限公司 | Temperature control ion wind type chemical powder packaging process static electricity detection and elimination device |
| CN110231519A (en) * | 2019-06-18 | 2019-09-13 | 国网河南省电力公司辉县市供电公司 | A kind of electrostatic detection cancellation element |
| CN112770469A (en) * | 2020-12-29 | 2021-05-07 | 湖南省益思迪科技有限公司 | Automatic static electricity removing system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394108A (en) * | 2001-07-03 | 2003-01-29 | 三星电机株式会社 | Apparatus for removing static electricity by high-frequency high-alternating voltage |
| CN2552287Y (en) * | 2002-06-14 | 2003-05-21 | 陈诚忠 | Balance-type static electricity remover |
| CN1578582A (en) * | 2003-07-22 | 2005-02-09 | 株式会社Trinc | Static eliminator |
| CN1809243A (en) * | 2005-01-17 | 2006-07-26 | 株式会社小金井 | Electrostatic eliminator and discharge module |
| CN101754558A (en) * | 2008-11-27 | 2010-06-23 | 株式会社Trinc | Ozone-less static eliminator |
| CN202143286U (en) * | 2011-07-22 | 2012-02-08 | 宝鸡圭彬光电设备有限公司 | Static electricity eliminator |
| CN102508050A (en) * | 2011-11-21 | 2012-06-20 | 重庆工业自动化仪表研究所 | Instrument for measuring static electricity on line |
| CN103188859A (en) * | 2011-12-30 | 2013-07-03 | 天津鑫金维网络技术有限公司 | Automatic electrostatic eliminator |
| CN103298230A (en) * | 2012-02-23 | 2013-09-11 | 韶阳科技股份有限公司 | Static electricity eliminating device and control circuit |
| CN103716976A (en) * | 2013-12-31 | 2014-04-09 | 上海安平静电科技有限公司 | Static electricity eliminating device for outputting positive and negative direct current high voltage alternatively through single needle |
| CN104797068A (en) * | 2014-01-21 | 2015-07-22 | 珠海格力电器股份有限公司 | Static elimination device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013165006A (en) * | 2012-02-13 | 2013-08-22 | Sharp Corp | Ion generating element and ion generator provided with same |
-
2015
- 2015-10-27 CN CN201510705480.6A patent/CN105223425B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1394108A (en) * | 2001-07-03 | 2003-01-29 | 三星电机株式会社 | Apparatus for removing static electricity by high-frequency high-alternating voltage |
| CN2552287Y (en) * | 2002-06-14 | 2003-05-21 | 陈诚忠 | Balance-type static electricity remover |
| CN1578582A (en) * | 2003-07-22 | 2005-02-09 | 株式会社Trinc | Static eliminator |
| CN1809243A (en) * | 2005-01-17 | 2006-07-26 | 株式会社小金井 | Electrostatic eliminator and discharge module |
| CN101754558A (en) * | 2008-11-27 | 2010-06-23 | 株式会社Trinc | Ozone-less static eliminator |
| CN202143286U (en) * | 2011-07-22 | 2012-02-08 | 宝鸡圭彬光电设备有限公司 | Static electricity eliminator |
| CN102508050A (en) * | 2011-11-21 | 2012-06-20 | 重庆工业自动化仪表研究所 | Instrument for measuring static electricity on line |
| CN103188859A (en) * | 2011-12-30 | 2013-07-03 | 天津鑫金维网络技术有限公司 | Automatic electrostatic eliminator |
| CN103298230A (en) * | 2012-02-23 | 2013-09-11 | 韶阳科技股份有限公司 | Static electricity eliminating device and control circuit |
| CN103716976A (en) * | 2013-12-31 | 2014-04-09 | 上海安平静电科技有限公司 | Static electricity eliminating device for outputting positive and negative direct current high voltage alternatively through single needle |
| CN104797068A (en) * | 2014-01-21 | 2015-07-22 | 珠海格力电器股份有限公司 | Static elimination device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105223425A (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105223425B (en) | Automatically system is destaticed | |
| WO2015027664A1 (en) | Method for testing mainframe performance of different types of partial discharge detectors based on analog voltage signal injection | |
| CN103163393A (en) | Electro-magnetic interference detecting system for power line conduction | |
| CN103529371A (en) | Invasive online monitoring device for partial discharge of power distribution equipment | |
| CN105486987A (en) | Partial discharge detection system | |
| CN105044494A (en) | Surface current injection measurement method used for electromagnetic compatibility test | |
| CN109307816A (en) | Power equipment test method based on substation's hybrid electromagnetic interference simulation | |
| CN209086378U (en) | A kind of device for detection cable insulation ag(e)ing state | |
| WO2022244246A1 (en) | Device for detecting ic noise resistance amount, method for detecting ic noise resistance amount, and method for measuring internal impedance of ic | |
| Ashari et al. | Design and fabrication of vivaldi antenna as partial discharge sensor | |
| CN107024613A (en) | High-voltage feedback power cable square wave on-line overvoltage monitor | |
| JP2009210322A (en) | Semiconductor evaluation device | |
| CN105572452A (en) | Gaussian beam bunch average current measuring method of particle accelerator in quasi-continuous running state | |
| CN109782101A (en) | A kind of calibration equipment and method of calibration for the test of automotive electronics conducted immunity | |
| CN206002608U (en) | A kind of radiation immunity electromagnetic compatibility test system being applied to high pressure dosing apparatus | |
| US9470735B2 (en) | Electric circuit evaluation method and electric circuit | |
| Ji et al. | An ESD immunity test for battery-operated control circuit board in myoelectric artificial hand system | |
| Ishida et al. | A source model and experimental validation for electromagnetic noises from electrostatic discharge generator | |
| CN208795828U (en) | Switching Power Supply high-low pressure coupling attenuation characteristic test system based on electromagnetism pincers | |
| Zhang et al. | Voltage and Current Response Characteristics of PMU Device by PCI Simulation | |
| CN217360098U (en) | Isolated dielectric state detection circuit and electric device adopting same | |
| CN212514979U (en) | High-voltage nanosecond pulse generator for calibration | |
| Tang et al. | Relationship between PD magnitude distribution and pulse burst for positive coronas | |
| CN110187175A (en) | The online Frequency Measurement System of quartz wafer polishing grinding | |
| CN208314122U (en) | A kind of measuring device of partial discharge of transformer pattern-recognition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201209 Address after: 313028 Industrial Park, balidian Town, Huzhou City, Zhejiang Province Patentee after: HUZHOU FENGYUAN AGRICULTURAL EQUIPMENT MANUFACTURE Co.,Ltd. Address before: 201616 No. 3666 Sixian Road, Songjiang District, Shanghai Patentee before: Phicomm (Shanghai) Co.,Ltd. |
|
| 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 invention: Automatic electrostatic removal system Effective date of registration: 20211203 Granted publication date: 20180518 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Huzhou Branch Pledgor: HUZHOU FENGYUAN AGRICULTURAL EQUIPMENT MANUFACTURE Co.,Ltd. Registration number: Y2021330002446 |
|
| 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: 20230811 Granted publication date: 20180518 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Huzhou Branch Pledgor: HUZHOU FENGYUAN AGRICULTURAL EQUIPMENT MANUFACTURE Co.,Ltd. Registration number: Y2021330002446 |