CN208938726U - A kind of highly-safe varistor - Google Patents
A kind of highly-safe varistor Download PDFInfo
- Publication number
- CN208938726U CN208938726U CN201821932939.1U CN201821932939U CN208938726U CN 208938726 U CN208938726 U CN 208938726U CN 201821932939 U CN201821932939 U CN 201821932939U CN 208938726 U CN208938726 U CN 208938726U
- Authority
- CN
- China
- Prior art keywords
- varistor
- heat
- protective shell
- layer
- shell
- 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.)
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- 239000002184 metal Substances 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 230000001681 protective effect Effects 0.000 claims abstract description 41
- 239000003063 flame retardant Substances 0.000 claims abstract description 22
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 18
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 12
- 230000005855 radiation Effects 0.000 claims abstract description 10
- 239000003822 epoxy resin Substances 0.000 claims abstract description 8
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- LTYMSROWYAPPGB-UHFFFAOYSA-N diphenyl sulfide Chemical compound C=1C=CC=CC=1SC1=CC=CC=C1 LTYMSROWYAPPGB-UHFFFAOYSA-N 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a kind of highly-safe varistors; including protective shell; the inner cavity of the protective shell is provided with varistor shell; ceramic filler layer is provided between the protective shell and varistor shell; the inner cavity of the varistor shell is provided with chip; it is provided with first electrode on the left of the chip, is provided with second electrode on the right side of the chip.The utility model is used cooperatively by weld part, locating piece, ceramic filler layer, conducting copper plate, heat radiating metal block, continuous U heat-dissipating pipe, miniature cooling fin, heat radiation conduit, glass fibre wrapping layer, polyphenylene sulfide flame-retardant layer, metal heat-conducting layer and epoxy resin layer, the safety for solving existing varistor is lower, heat dissipation performance is poor, the problem of being unable to explosion-proof flame-retardant when occurring dangerous, it can prevent circuit board and the accidents such as explode and burn occur, the service life for extending varistor is led, the practicability of varistor is substantially increased.
Description
Technical field
The utility model relates to varistor technical field, specially a kind of highly-safe varistor.
Background technique
Varistor is a kind of resistance device with nonlinear wind vibration, be mainly used for circuit bear over-voltage when into
Row voltage clamping absorbs extra electric current to protect Sensitive Apparatus, is abbreviated as VDR, and the resistor material of piezoresistor is half
Conductor, so it is a kind of semiconductor resistor, the zinc oxide varistor largely used now, its main body material
Material has diad zinc and hexad oxygen to be constituted, so zinc oxide varistor is a kind of from the perspective of material
II-VI race's oxide semiconductor, thermistor will receive the influence of various environment when in use, as circuit board actual use in
It can encounter and be struck by lightning or situations such as the electromagnetic induction of inductive element, form high voltage, circuit board is damaged, or when pressure
When under extraneous surge energy repeated stock deterioration occurs for quick resistance, varistor can breakdown short circuit, or even in insulation
When not thorough enough, there is also arcing once in a while causes pressure-sensitive ontology dangerous occur such as to burst.
However the safety of existing varistor is lower, heat dissipation performance is not excellent enough, is easy to cause circuit board to occur quick-fried
The accidents such as fried and burning lead to the damage of equipment, or even cause fire, shorten the service life of varistor, substantially reduce
The practicability of varistor.
Utility model content
The purpose of this utility model is to provide a kind of highly-safe varistor, with high security the advantages of, solution
Determined existing varistor safety it is lower, heat dissipation performance is poor, the problem of being unable to explosion-proof flame-retardant when occurring dangerous.
To achieve the above object, the utility model provides the following technical solutions: a kind of highly-safe varistor, including
Protective shell, the inner cavity of the protective shell are provided with varistor shell, are provided between the protective shell and varistor shell
Ceramic filler layer, the inner cavity of the varistor shell are provided with chip, and first electrode is provided on the left of the chip, described
It is provided with second electrode on the right side of chip, the surface of the first electrode and second electrode is welded with weld part, the welding
The bottom in portion is welded with metal electrical pin, and the bottom of the metal electrical pin is through to the outside of protective shell, the protection
The two sides of shell bottom offer through-hole compatible with metal electrical pin, and the surface of the metal electrical pin offers peace
Hole is filled, the mounting hole is located at the outside of protective shell.
The inner cavity of the protective shell is provided with positioning plate, and the positioning plate is located at the bottom of varistor shell, described fixed
The surface of position plate is provided through locating piece, and the quantity of the locating piece is two, and two metal electrical pins extend through two
The surface of the inner cavity of a locating piece, the positioning plate and locating piece is wrapped up by ceramic filler layer, is passed through at the top of the protective shell
It wears and is equipped with conducting copper plate, heat radiating metal block is fixedly connected at the top of the protective shell, the inner cavity of the heat radiating metal block is solid
Surely it is connected with continuous U heat-dissipating pipe, the surface of the continuous U heat-dissipating pipe is provided with miniature cooling fin, the continuous U heat dissipation
The two sides of pipe are communicated with heat radiation conduit, and the heat radiation conduit is through to heat radiating metal block far from one end of continuous U heat-dissipating pipe
Outside.
The protective shell includes glass fibre wrapping layer, and the side of the glass fibre wrapping layer is provided with polyphenylene sulfide resistance
Layer is fired, the polyphenylene sulfide flame-retardant layer is provided with metal heat-conducting layer, the metal heat-conducting far from the side of glass fibre wrapping layer
Layer is provided with epoxy resin layer far from the side of polyphenylene sulfide flame-retardant layer.
Preferably, the surface of the protective shell is provided with label, and the area of the label is the three of protective shell cross-sectional area
/ mono-
Preferably, the quantity of the miniature cooling fin is no less than eight, and the left side height of the continuous U heat-dissipating pipe is lower than
Height on the right side of continuous U heat-dissipating pipe.
Preferably, the surface of the locating piece offers through hole compatible with metal electrical pin, the locating piece
Positioned at the bottom of varistor shell.
Preferably, the inner cavity of heat radiating metal block, the top of the heat radiating metal block are extended at the top of the conducting copper plate
It is contacted with the bottom of continuous U heat-dissipating pipe.
Preferably, the polyphenylene sulfide flame-retardant layer with a thickness of 0.4mm, the metal heat-conducting layer with a thickness of with a thickness of
0.3mm。
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model passes through weld part, locating piece, ceramic filler layer, conducting copper plate, heat radiating metal block, continuous U
Heat-dissipating pipe, miniature cooling fin, heat radiation conduit, glass fibre wrapping layer, polyphenylene sulfide flame-retardant layer, metal heat-conducting layer and epoxy resin
Layer is used cooperatively, and the safety for solving existing varistor is lower, and heat dissipation performance is poor, cannot be explosion-proof when occurring dangerous
Fire-retardant problem, the highly-safe varistor, with high security the advantages of, circuit board can be prevented and occur exploding and fire
The accidents such as burning, lead the service life for extending varistor, substantially increase the practicability of varistor.
2, the utility model can increase metal electrical pin and first electrode and second electrode by the setting of weld part
Contact area, reduce through the current density between metal electrical pin and first electrode and second electrode, can be in wink
Between be subjected to biggish rush of current, and then improve the security performance of varistor, by ceramic filler layer, conducting copper plate, dissipate
Thermometal block, continuous U heat-dissipating pipe and miniature cooling fin are used cooperatively, and the heat in protective shell can be exported to pressure in time
The outside of quick resistance is conducive to the heat dissipation of varistor, increases the heat dissipation performance of varistor.
3, the utility model is by the setting of polyphenylene sulfide flame-retardant layer, and the varistor is enabled to have high temperature resistant, resistance to
Corrosion and superior mechanical performance, avoid the appearance of varistor explosion damage electrical equipment situation, and pressure-sensitive electricity has been grown in delay
The service life of resistance further increases the thermal conductivity of varistor by metal heat-conducting layer, can by the setting of label
So that user timely understands the application notice of the varistor, convenience is brought to user.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the right view of the utility model chip structure；
Fig. 3 is the utility model protective shell sectional view；
Fig. 4 is the utility model main view.
In figure: 1, protective shell；2, varistor shell；3, chip；4, first electrode；5, second electrode；6, weld part；7,
Metal electrical pin；8, mounting hole；9, positioning plate；10, locating piece；11, ceramic filler layer；12, conducting copper plate；13, heat dissipation gold
Belong to block；14, continuous U heat-dissipating pipe；15, miniature cooling fin；16, heat radiation conduit；17, glass fibre wrapping layer；18, polyphenylene sulfide
Flame-retardant layer；19, metal heat-conducting layer；20, epoxy resin layer；21, label.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of highly-safe varistor, including protect
Protective case 1, the inner cavity of protective shell 1 are provided with varistor shell 2, are provided with ceramics between protective shell 1 and varistor shell 2 and fill out
Layer 11 is filled, the inner cavity of varistor shell 2 is provided with chip 3, and the left side of chip 3 is provided with first electrode 4, the right side of chip 3
It is provided with second electrode 5, the surface of first electrode 4 and second electrode 5 is welded with weld part 6, and the bottom of weld part 6 is welded with
Metal electrical pin 7, the bottom of metal electrical pin 7 are through to the outside of protective shell 1, and the two sides of 1 bottom of protective shell open up
There is through-hole compatible with metal electrical pin 7, the surface of metal electrical pin 7 offers mounting hole 8, and mounting hole 8, which is located at, to be protected
The outside of protective case 1.
The inner cavity of protective shell 1 is provided with positioning plate 9, and positioning plate 9 is located at the bottom of varistor shell 2, the table of positioning plate 9
Face is provided through locating piece 10, and the quantity of locating piece 10 is two, and two metal electrical pins 7 extend through two locating pieces
The surface of 10 inner cavity, positioning plate 9 and locating piece 10 is wrapped up by ceramic filler layer 11, and the top of protective shell 1 is provided through
Conducting copper plate 12, the top of protective shell 1 are fixedly connected with heat radiating metal block 13, and the inner cavity of heat radiating metal block 13 is fixedly connected with company
Continue U-shaped heat-dissipating pipe 14, the surface of continuous U heat-dissipating pipe 14 is provided with miniature cooling fin 15, and the two sides of continuous U heat-dissipating pipe 14 are equal
It is communicated with heat radiation conduit 16, heat radiation conduit 16 is through to the outside of heat radiating metal block 13 far from one end of continuous U heat-dissipating pipe 14.
Protective shell 1 includes glass fibre wrapping layer 17, and it is fire-retardant that the side of glass fibre wrapping layer 17 is provided with polyphenylene sulfide
Layer 18, polyphenylene sulfide flame-retardant layer 18 is provided with metal heat-conducting layer 19, metal heat-conducting layer far from the side of glass fibre wrapping layer 17
19 sides far from polyphenylene sulfide flame-retardant layer 18 are provided with epoxy resin layer 20.
In the utility model: the surface of protective shell 1 is provided with label 21, and the area of label 21 is 1 cross-sectional area of protective shell
One third enable to user timely to understand the application notice of the varistor by the setting of label 21,
Convenience is brought to user.
In the utility model: the quantity of miniature cooling fin 15 is no less than eight, and the left side height of continuous U heat-dissipating pipe 14 is low
Height in 14 right side of continuous U heat-dissipating pipe.
In the utility model: the surface of locating piece 10 offers through hole compatible with metal electrical pin 7, locating piece
10 are located at the bottom of varistor shell 2.
In the utility model: the top of conducting copper plate 12 extends to the inner cavity of heat radiating metal block 13, heat radiating metal block 13
Top is contacted with the bottom of continuous U heat-dissipating pipe 14.
In the utility model: polyphenylene sulfide flame-retardant layer 18 with a thickness of 0.4mm, metal heat-conducting layer 19 with a thickness of thickness
For 0.3mm, by the setting of polyphenylene sulfide flame-retardant layer 18, enable to the varistor that there is high temperature resistant, corrosion-resistant and superior
Mechanical performance, avoid varistor explosion damage electrical equipment situation appearance, delay grown varistor use the longevity
Life, by metal heat-conducting layer 19, further increases the thermal conductivity of varistor.
Working principle: when the utility model is used, by the setting of weld part 6, reduce by metal electrical pin 7 with
Current density between first electrode 4 and second electrode 5 can be subjected to biggish rush of current in moment, and then improve pressure
The security performance of quick resistance, when the varistor generates heat, heat is conducted by ceramic filler layer 11 and conducting copper plate 12
Temperature to the surface of continuous U heat-dissipating pipe 14, continuous U heat-dissipating pipe 14 increases, continuous U heat-dissipating pipe 14 and miniature cooling fin
15 can play heat dissipation effect, and then increase the heat dissipation performance of varistor, polyphenylene sulfide flame-retardant layer 18, metal heat-conducting layer 19
It can prevent varistor that the dangerous situations such as explosion and burning occur with epoxy resin layer 20, make the pressure-sensitive electricity to reach
The purpose of resistance with high security.
In summary: the highly-safe varistor, by weld part 6, locating piece 10, ceramic filler layer 11, thermally conductive
Copper sheet 12, heat radiating metal block 13, continuous U heat-dissipating pipe 14, miniature cooling fin 15, heat radiation conduit 16, glass fibre wrapping layer 17,
Polyphenylene sulfide flame-retardant layer 18, metal heat-conducting layer 19 and epoxy resin layer 20 are used cooperatively, and solve existing varistor
The problem of safety is lower, and heat dissipation performance is poor, is unable to explosion-proof flame-retardant when occurring dangerous.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of highly-safe varistor, including protective shell (1), it is characterised in that: the inner cavity of the protective shell (1) is arranged
Have varistor shell (2), is provided with ceramic filler layer (11) between the protective shell (1) and varistor shell (2), it is described
The inner cavity of varistor shell (2) is provided with chip (3), is provided with first electrode (4), the core on the left of the chip (3)
It is provided on the right side of piece (3) second electrode (5), the surface of the first electrode (4) and second electrode (5) is welded with weld part
(6), the bottom of the weld part (6) is welded with metal electrical pin (7), and the bottom of the metal electrical pin (7) is through to
The two sides of the outside of protective shell (1), protective shell (1) bottom offer the compatible through-hole with metal electrical pin (7),
The surface of the metal electrical pin (7) offers mounting hole (8), and the mounting hole (8) is located at the outside of protective shell (1)；
The inner cavity of the protective shell (1) is provided with positioning plate (9), and the positioning plate (9) is located at the bottom of varistor shell (2)
The surface in portion, the positioning plate (9) is provided through locating piece (10), and the quantity of the locating piece (10) is two, two gold
Belong to the inner cavity that electrical pin (7) extend through two locating pieces (10), the surface quilt of the positioning plate (9) and locating piece (10)
Ceramic filler layer (11) wraps up, and is provided through conducting copper plate (12) at the top of the protective shell (1), the protective shell (1)
Top is fixedly connected with heat radiating metal block (13), and the inner cavity of the heat radiating metal block (13) is fixedly connected with continuous U heat-dissipating pipe
(14), the surface of the continuous U heat-dissipating pipe (14) is provided with miniature cooling fin (15), the continuous U heat-dissipating pipe (14)
Two sides are communicated with heat radiation conduit (16), and the heat radiation conduit (16) is through to scattered far from the one end of continuous U heat-dissipating pipe (14)
The outside of thermometal block (13)；
The protective shell (1) includes glass fibre wrapping layer (17), and the side of the glass fibre wrapping layer (17) is provided with poly-
Diphenyl sulfide flame-retardant layer (18), the polyphenylene sulfide flame-retardant layer (18) are provided with metal far from the side of glass fibre wrapping layer (17)
Heat-conducting layer (19), the metal heat-conducting layer (19) are provided with epoxy resin layer far from the side of polyphenylene sulfide flame-retardant layer (18)
(20)。
2. the highly-safe varistor of one kind according to claim 1, it is characterised in that: the table of the protective shell (1)
Face is provided with label (21), and the area of the label (21) is the one third of protective shell (1) cross-sectional area.
3. the highly-safe varistor of one kind according to claim 1, it is characterised in that: the miniature cooling fin (15)
Quantity be no less than eight, the left side height of the continuous U heat-dissipating pipe (14) is lower than the height on the right side of continuous U heat-dissipating pipe (14)
Degree.
4. the highly-safe varistor of one kind according to claim 1, it is characterised in that: the table of the locating piece (10)
Face offers the compatible through hole with metal electrical pin (7), and the locating piece (10) is located at the bottom of varistor shell (2)
Portion.
5. the highly-safe varistor of one kind according to claim 1, it is characterised in that: the conducting copper plate (12)
Top extends to the inner cavity of heat radiating metal block (13), top and continuous U heat-dissipating pipe (14) of the heat radiating metal block (13)
Bottom contact.
6. the highly-safe varistor of one kind according to claim 1, it is characterised in that: the polyphenylene sulfide flame-retardant layer
(18) with a thickness of 0.4mm, the metal heat-conducting layer (19) with a thickness of with a thickness of 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932939.1U CN208938726U (en) | 2018-11-22 | 2018-11-22 | A kind of highly-safe varistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932939.1U CN208938726U (en) | 2018-11-22 | 2018-11-22 | A kind of highly-safe varistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208938726U true CN208938726U (en) | 2019-06-04 |
Family
ID=66727885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821932939.1U Active CN208938726U (en) | 2018-11-22 | 2018-11-22 | A kind of highly-safe varistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208938726U (en) |
-
2018
- 2018-11-22 CN CN201821932939.1U patent/CN208938726U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201111 Address after: 518101 b502b503, 5th floor, block B, Shenzhen famous industrial products exhibition and purchase center, Xixiang street, Baoan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Huarui Xingyuan Technology Co.,Ltd. Address before: 311800 Jiefanghu High-tech Park, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG RUIXING NEW ENERGY 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 utility model: A high safety varistor Effective date of registration: 20210122 Granted publication date: 20190604 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: Shenzhen Huarui Xingyuan Technology Co.,Ltd. Registration number: Y2021990000098 |
|
| 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: 20220128 Granted publication date: 20190604 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: Shenzhen Huarui Xingyuan Technology Co.,Ltd. Registration number: Y2021990000098 |
|
| 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: A high safety varistor Effective date of registration: 20220217 Granted publication date: 20190604 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: Shenzhen Huarui Xingyuan Technology Co.,Ltd. Registration number: Y2022440020021 |
|
| 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 |
Granted publication date: 20190604 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: Shenzhen Huarui Xingyuan Technology Co.,Ltd. Registration number: Y2022440020021 |