CN107196032B - A kind of same frequency combiner - Google Patents

A kind of same frequency combiner Download PDF

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Publication number
CN107196032B
CN107196032B CN201710376653.3A CN201710376653A CN107196032B CN 107196032 B CN107196032 B CN 107196032B CN 201710376653 A CN201710376653 A CN 201710376653A CN 107196032 B CN107196032 B CN 107196032B
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CN
China
Prior art keywords
arm
pieces
arms
sub
synusia
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Expired - Fee Related
Application number
CN201710376653.3A
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Chinese (zh)
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CN107196032A (en
Inventor
白开峰
赵永柱
范金锋
王永峰
崔静安
陈潇
陈潇一
韩丽芳
应欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an electric company of Guo Wang Shaanxi Prov. Power Co.
China Electric Power Research Institute Co Ltd CEPRI
State Grid Shaanxi Electric Power Co Ltd
Original Assignee
Xi'an Electric Co Of Guo Wang Shaanxi Prov Power Co
China Electric Power Research Institute Co Ltd CEPRI
State Grid Shaanxi Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xi'an Electric Co Of Guo Wang Shaanxi Prov Power Co, China Electric Power Research Institute Co Ltd CEPRI, State Grid Shaanxi Electric Power Co Ltd filed Critical Xi'an Electric Co Of Guo Wang Shaanxi Prov Power Co
Priority to CN201710376653.3A priority Critical patent/CN107196032B/en
Publication of CN107196032A publication Critical patent/CN107196032A/en
Priority to PCT/CN2018/073119 priority patent/WO2018214564A1/en
Application granted granted Critical
Publication of CN107196032B publication Critical patent/CN107196032B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/12Coupling devices having more than two ports
    • H01P5/16Conjugate devices, i.e. devices having at least one port decoupled from one other port

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  • Waveguide Aerials (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

The invention discloses a kind of same frequency combiners:Include can and the 3dB electric bridges in can, the 3dB electric bridges include synusia and the lower synusia being arranged in parallel with upper synusia, and pad is equipped with dielectric between upper synusia and lower synusia;Its design frequency includes the 2700Mhz of LTE, can be obtained by Computer Simulation, its achievable preferable coupling effect in frequency 0.7Ghz to 2.8Ghz of this electric bridge.

Description

A kind of same frequency combiner
Technical field
The present invention relates to a kind of same frequency combiners.
Background technology
Structure with frequency combiner is that a 3dB electric bridge is set in a can i.e. shielding box to realize, 3dB electric bridges It is a kind of electrical part that two kinds of identical signals of frequency are coupled into signal output all the way, broadband band 3DB electric bridges are always The direction that power splitter class is made great efforts, realize wide frequency 3 dB electric bridge be at present there is an urgent need to, the especially newly-increased standard of the communications industry In LTE, the frequency range of LTE standards requirement is 2570MHz-2620MHz, covers the combiner of the standard and 3dB electric bridges.
Invention content
It is an object of the invention to overcome disadvantages described above, a kind of same frequency combiner is provided.
To achieve the above object, concrete scheme of the invention is as follows:A kind of same frequency combiner:Include can and set In the 3dB electric bridges in can, the 3dB electric bridges include synusia and the lower synusia being arranged in parallel with upper synusia, upper synusia Pad is equipped with dielectric between lower synusia;
Upper synusia includes 14 side sub-pieces of upper strata that two arranged side by side, that size shape is identical, each upper strata 14 Side sub-pieces includes the first arm there are two obtuse triangle, the second arm of a rectangle, two trapezoidal third arms;Two first The obtuse angle of arm outwardly, the obtuse angle of two the first arms be connected respectively with two short sides of the second arm to base, two third arms Long base be connected respectively with two long short sides of the second arm, the short base of two third arms outwardly, the obtuse angle of two the first arms It is identical with the bond length of the second arm to base;The first connect band of shape of chinese word Ji is further included, two of the first connect band are perpendicular Arm is located between two 14 side sub-pieces of layer, the both ends of the first connect band respectively with the lower section of two 14 side sub-pieces of upper strata the The short base of three arms is connected;The both sides of second arm of 14 side sub-pieces of each upper strata are equipped with two groups of adjustment of the setting that is centrosymmetric Slot structure, each three bar groove enclosing region of the first adjustment slot and the first adjustment slot for adjusting slot structure and including a Π shape The rectangle second adjustment slot inside opened up, the opening of the first adjustment slot is towards the obtuse angle side of adjacent first arm;The center of second arm If there are one circular coupling slots;Second arm of one 14 side sub-pieces of upper strata, the side on base extends downwardly out L-shaped First input arm, the cross bar of the first input arm is outwardly;Second arm of another 14 side sub-pieces of upper strata, the side on base are downward Extending has the first output arm of L-shaped, and the cross bar of the first output arm is outwardly;
Lower synusia includes 14 side sub-pieces of lower floor that two arranged side by side, that size shape is identical, each lower floor 14 Side sub-pieces includes the 4th arm there are two obtuse triangle, the 5th arm of a rectangle, two the 6th trapezoidal arms;Two the 4th The obtuse angle of arm outwardly, the obtuse angle of two the 4th arms be connected respectively with two short sides of the 5th arm to base, two the 6th arms Long base be connected respectively with two long short sides of the 5th arm, the short base of two the 6th arms outwardly, the obtuse angle of two third arms It is identical with the bond length of the 5th arm to base;Further include the second connect band of Π shapes, the both ends difference of the second connect band It is connected with the short base of the 6th arm of the top of Liang Ge lower floors 14 side sub-pieces;The two of 5th arm of 14 side sub-pieces of each lower floor Side is equipped with third adjustment tank corresponding with the second adjustment slot of 14 sub-pieces of upper strata;The center of 14 side sub-pieces of each lower floor is upward Extending has auxiliary resonance column, and the top surface of auxiliary resonance column is equipped with resonance plate, and resonance plate is located in coupling slot;One lower floor 14 5th arm of side sub-pieces, the side of top margin extend upward the second input arm of L-shaped, and the cross bar of the second input arm is outwardly; 5th arm of another 14 side sub-pieces of lower floor, the side of top margin extend upward the second output arm of L-shaped, the second output The cross bar of arm is outwardly.
Wherein, the upper strata 14 sub-pieces size when sub-pieces is with lower floor 14 is identical.
Wherein, extend on the side of the coupling slot to center there are two resonant rod, be recessed inwardly on resonance plate there are two Humorous groove corresponding with resonant rod.
Wherein, the diameter of the resonance plate is less than the diameter of coupling slot.
Wherein, the thickness of the resonance plate is identical with the thickness of 14 sub-pieces of upper strata.
Wherein, the height of the auxiliary resonant column is identical with the thickness of dielectric.
Wherein, the size of first arm and the 4th arm is identical, and is isosceles triangle.
Wherein, the third arm and the 6th arm size are identical, and are isosceles trapezoid.
Wherein, the second adjustment slot with third adjustment tank size it is identical.
Beneficial effects of the present invention are:Its design frequency includes the 2700Mhz of LTE, can be obtained by Computer Simulation, Its achievable preferable coupling effect in frequency 0.7Ghz to 2.8Ghz of this electric bridge.
Description of the drawings
Fig. 1 is the vertical view of the present invention;
Fig. 2 is the exploded perspective figure of the 3dB electric bridges of the present invention;
Fig. 3 is the upper synusia stereogram of the present invention;
Fig. 4 is the vertical view of the upper synusia of the present invention;
Fig. 5 is the lower synusia stereogram of the present invention;
Fig. 6 is the vertical view of the lower synusia of the present invention;
Fig. 7 is the parameters simulation figure of the present invention;
Reference sign in Fig. 1 to Fig. 7:
A- cans;
The upper synusia of 1-;The first input arm of 101-;The first output arms of 102-;The first arms of 11-;The second arms of 12-;13- third arms; The first connect bands of 14-;15- coupling slots;16- resonant rods;17- the first adjustment slots;18- second adjustment slots;
Synusia under 2-;The second input arm of 201-;The second output arms of 202-;The 4th arms of 21-;The 5th arms of 22-;The 6th arms of 23-; 24- third adjustment tanks;25- resonance plates;The humorous grooves of 26-;The second connect bands of 27-;28- auxiliary resonance columns;
3- dielectrics.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, is not the reality the present invention It applies range and is confined to this.
As shown in Figures 1 to 7, a kind of same frequency combiner described in the present embodiment:Include can a and set on metal 3dB electric bridges in box a, the 3dB electric bridges include synusia 1 and the lower synusia 2 being arranged in parallel with upper synusia 1, upper 1 He of synusia Pad is equipped with dielectric 3 between lower synusia 2;
Upper synusia 1 is including there are two 14 side sub-pieces of upper strata being arranged side by side, size shape is identical, each upper stratas 14 Side sub-pieces includes the first arm 11 there are two obtuse triangle, the second arm 12 of a rectangle, two trapezoidal third arms 13;Two The obtuse angle of a first arm 11 outwardly, the obtuse angle of two the first arms 11 to base respectively with two short side phases of the second arm 12 Even, the long base of two third arms 13 is connected respectively with two long short sides of the second arm 12, the short base court of two third arms 13 Outside, the obtuse angle of two the first arms 11 it is identical with the bond length of the second arm 12 to base;Further include shape of chinese word Ji first connects Tape splicing 14, two vertical arm of the first connect band 14 are located between two 14 side sub-pieces of layer, the both ends difference of the first connect band 14 It is connected with the short base of the third arm 13 of the lower section of two 14 side sub-pieces of upper strata;Second arm 12 of 14 side sub-pieces of each upper strata Both sides be equipped with the two groups of adjustment slot structures of setting of being centrosymmetric, it is each adjust slot structure and include the first of a Π shape adjust The rectangle second adjustment slot 18 opened up in 17 3 bar groove enclosing region of whole slot 17 and the first adjustment slot, the first adjustment slot 17 It is open towards the obtuse angle side of adjacent first arm 11;The center of second arm 12 is set there are one circular coupling slot 15;One upper strata Second arm 12 of 14 side sub-pieces, the side on base extend downwardly out the first input arm 101 of L-shaped, the first input arm 101 Cross bar outwardly;It is first defeated to extend downwardly out L-shaped for second arm 12 of another 14 side sub-pieces of upper strata, the side on base Go out arm 102, the cross bar of the first output arm 102 is outwardly;
Lower synusia 2 is including there are two 14 side sub-pieces of lower floor being arranged side by side, size shape is identical, each lower floors 14 Side sub-pieces includes the 4th arm 21 there are two obtuse triangle, the 5th arm 22 of a rectangle, two the 6th trapezoidal arms 23;Two The obtuse angle of a 4th arm 21 outwardly, the obtuse angle of two the 4th arms 21 to base respectively with two short side phases of the 5th arm 22 Even, the long base of two the 6th arms 23 is connected respectively with two long short sides of the 5th arm 22, the short base court of two the 6th arms 23 Outside, the obtuse angle of two third arms 13 it is identical with the bond length of the 5th arm 22 to base;Further include the second connection of Π shapes Band 27, the short base of the both ends of the second connect band 27 respectively with the 6th arm 23 of the top of Liang Ge lower floors 14 side sub-pieces are connected; The both sides of 5th arm 22 of 14 side sub-pieces of each lower floor are equipped with the 18 corresponding third of second adjustment slot with 14 sub-pieces of upper strata Adjustment tank 24;The center of 14 side sub-pieces of each lower floor has extended upward auxiliary resonance column 28, the top surface of auxiliary resonance column 28 Equipped with resonance plate 25, resonance plate 25 is located in coupling slot 15;5th arm 22 of one 14 side sub-pieces of lower floor, the side of top margin The second input arm 201 of L-shaped is extended upward, the cross bar of the second input arm 201 is outwardly;Another 14 side sub-pieces of lower floor 5th arm 22, the side of top margin extend upward the second output arm 202 of L-shaped, and the cross bar of the second output arm 202 is outwardly.
During combination, dielectric 3 is located at upper strata 14 in sub-pieces and lower floor 14 between sub-pieces, specifically positioned at third Between 13 and the 6th arm 23 of arm.Its design frequency includes the 2700Mhz of LTE, can be obtained by Computer Simulation, this electric bridge its Can be achieved preferable coupling effect in frequency 0.7Ghz to 2.8Ghz, upper synusia 1 and lower synusia 2 use dielectric constant for The conductor of 2.33-2.6 or so;In Fig. 7, parameter of the coupling value in above-mentioned requirements frequency range is 3dB or so, complies fully with design It is required that interport isolation, in 28 ± 5 dB or so, port standing-wave ratio is less than 1.3.Upper synusia 1 and lower 2 thickness of synusia are in 3.5- 4mm or so, this electric bridge load power is up to 400W.For the coupling effect for being optimal, specific size can be optimized for: First arm 11 identical with 21 size of the 4th arm is all isosceles triangle, and two waist edges are:25mm, a length of 44mm in base;Second arm 12 is identical with the size of the 4th arm 21, short side 44mm, and long side is:87mm;Third arm 13 is identical with 23 size of the 6th arm, short bottom While being 25mm, long base is 46mm, a height of:18mm;The line width of first connect band 14 is 4mm, and longitudinal arm lengths are 80mm, laterally Long-armed length be:60mm, other are required;The line width of the first adjustment slot 17 is:3mm, translot length and pod length phase It is same to be:18mm, second adjustment slot 18 and third adjustment tank 24 are square, and size is identical, length of side 10mm;Coupling slot 15 It is a diameter of:32mm.First input arm 101 and 102 line width of the first output arm are 2mm, and length does not require.The height of resonant column is 25mm, diameter are less than the diameter of resonance plate 25, the 15mm of the diameter of resonance plate 25.
In the present embodiment, the upper strata 14 sub-pieces size when sub-pieces is with lower floor 14 is identical.Performance is more stablized.
In the present embodiment, extend on the side of the coupling slot 15 to center there are two resonant rod 16, on resonance plate 25 to There are two humorous grooves 26 corresponding with resonant rod 16 for sunken inside.Return loss when can reducing to form standing wave.
In the present embodiment, the diameter of the resonance plate 25 is less than the diameter of coupling slot.In the present embodiment, the resonance plate 25 Thickness it is identical with the thickness of 14 sub-pieces of upper strata.It is 3.8mm, in the present embodiment, the height of the auxiliary resonant column and insulation The thickness of medium 3 is identical.Difficulty is coupled caused by reducing excessive gap.In the present embodiment, 11 and the 4th arm of the first arm 21 size is identical, and is isosceles triangle.In the present embodiment, the third arm 13 is identical with 23 size of the 6th arm, and For isosceles trapezoid.In the present embodiment, the second adjustment slot 18 with 24 size of third adjustment tank it is identical.Features described above is to carry Coupling effect is risen, stablizes the effect of interport isolation.
The above is only the preferred embodiment of the present invention, therefore all structures described according to present patent application range It makes, the equivalent change or modification that feature and principle are done, in the protection domain of present patent application.

Claims (9)

1. a kind of same frequency combiner:It is characterized in that:Include can(a)And set on can(a)Interior 3dB electric bridges, The 3dB electric bridges include synusia(1)With with upper synusia(1)The lower synusia being arranged in parallel(2), upper synusia(1)With lower synusia (2)Between pad be equipped with dielectric(3);
Upper synusia(1)Including there are two the identical 14 side sub-pieces of upper strata of arranged side by side, size shape, each 14 sides of upper strata Sub-pieces includes the first arm there are two obtuse triangle(11), the second arm of a rectangle(12), two trapezoidal third arms (13);Two the first arms(11)Obtuse angle outwardly, two the first arms(11)Obtuse angle institute to base respectively with the second arm(12) Two short sides be connected, two third arms(13)Long base respectively with the second arm(12)Two long short sides be connected, two Three arms(13)Short base outwardly, two the first arms(11)Obtuse angle institute to base and the second arm(12)Bond length it is identical; Further include the first connect band of shape of chinese word Ji(14), the first connect band(14)Two vertical arm be located at two 14 side sub-pieces of layer it Between, the first connect band(14)The both ends third arm with the lower section of two 14 side sub-pieces of upper strata respectively(13)Short base phase Even;Second arm of 14 side sub-pieces of each upper strata(12)Both sides be equipped with the two groups of adjustment slot structures of setting of being centrosymmetric, often A adjustment slot structure includes the first adjustment slot of a Π shape(17)And the first adjustment slot(17)In three bar groove enclosing regions The rectangle second adjustment slot opened up(18), the first adjustment slot(17)Opening towards adjacent first arm(11)Obtuse angle side;The Two arms(12)Center set there are one circular coupling slot(15);Second arm of one 14 side sub-pieces of upper strata(12), base Side extend downwardly out the first input arm of L-shaped(101), the first input arm(101)Cross bar outwardly;Another upper strata ten Second arm of four side sub-pieces(12), the side on base extends downwardly out the first output arm of L-shaped(102), the first output arm (102)Cross bar outwardly;
Lower synusia(2)Including there are two the identical 14 side sub-pieces of lower floor of arranged side by side, size shape, each 14 sides of lower floor Sub-pieces includes the 4th arm there are two obtuse triangle(21), the 5th arm of a rectangle(22), two the 6th trapezoidal arms (23);Two the 4th arms(21)Obtuse angle outwardly, two the 4th arms(21)Obtuse angle institute to base respectively with the 5th arm(22) Two short sides be connected, two the 6th arms(23)Long base respectively with the 5th arm(22)Two long short sides be connected, two Six arms(23)Short base outwardly, two third arms(13)Obtuse angle institute to base and the 5th arm(22)Bond length it is identical; Further include the second connect band of Π shapes(27), the second connect band(27)Both ends it is upper with Liang Ge lower floors 14 side sub-pieces respectively 6th arm of side(23)Short base be connected;5th arm of 14 side sub-pieces of each lower floor(22)Both sides be equipped with and upper strata 14 The second adjustment slot of sub-pieces(18)Corresponding third adjustment tank(24);The center of 14 side sub-pieces of each lower floor has extended upward Auxiliary resonance column(28), auxiliary resonance column(28)Top surface be equipped with resonance plate(25), resonance plate(25)Positioned at coupling slot(15)It is interior; 5th arm of one 14 side sub-pieces of lower floor(22), the side of top margin extends upward the second input arm of L-shaped(201), Second input arm(201)Cross bar outwardly;5th arm of another 14 side sub-pieces of lower floor(22), the side of top margin is prolonged upwards It is extended with the second output arm of L-shaped(202), the second output arm(202)Cross bar outwardly.
2. a kind of same frequency combiner according to claim 1:It is characterized in that:The 14 side sub-pieces of upper strata and lower floor ten Four side sub-pieces sizes are identical.
3. a kind of same frequency combiner according to claim 1, it is characterised in that:The coupling slot(15)Side on to center Resonant rod there are two extending(16), resonance plate(25)On be recessed inwardly there are two and resonant rod(16)Corresponding humorous groove (26).
4. according to a kind of same frequency combiner described in claim 1, it is characterised in that:The resonance plate(25)Diameter be less than coupling The diameter of slot.
5. according to a kind of same frequency combiner described in claim 1, it is characterised in that:The resonance plate(25)Thickness and upper strata ten The thickness of four sub-pieces is identical.
6. according to a kind of same frequency combiner described in claim 1, it is characterised in that:The height of the auxiliary resonance column is situated between with insulation Matter(3)Thickness it is identical.
7. according to a kind of same frequency combiner described in claim 1, it is characterised in that:First arm(11)With the 4th arm(21)'s Size is identical, and is isosceles triangle.
8. according to a kind of same frequency combiner described in claim 1, it is characterised in that:The third arm(13)With the 6th arm(23)Greatly It is small identical, and be isosceles trapezoid.
9. according to a kind of same frequency combiner described in claim 1:It is characterized in that:The second adjustment slot(18)The third tune of sum Whole slot(24)Size is identical.
CN201710376653.3A 2017-05-25 2017-05-25 A kind of same frequency combiner Expired - Fee Related CN107196032B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710376653.3A CN107196032B (en) 2017-05-25 2017-05-25 A kind of same frequency combiner
PCT/CN2018/073119 WO2018214564A1 (en) 2017-05-25 2018-01-18 Same-band combiner

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Application Number Priority Date Filing Date Title
CN201710376653.3A CN107196032B (en) 2017-05-25 2017-05-25 A kind of same frequency combiner

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CN107196032A CN107196032A (en) 2017-09-22
CN107196032B true CN107196032B (en) 2018-06-19

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018214562A1 (en) * 2017-05-25 2018-11-29 覃梅花 Double-coupled same-band combiner
CN107196032B (en) * 2017-05-25 2018-06-19 国网陕西省电力公司西安供电公司 A kind of same frequency combiner
WO2018214538A1 (en) * 2017-05-25 2018-11-29 覃梅花 Double-coupled 3db bridge
CN107104259B (en) * 2017-05-25 2019-07-12 东莞质研工业设计服务有限公司 A kind of 3dB electric bridge
CN108039549B (en) * 2017-12-29 2019-01-11 荆门市亿美工业设计有限公司 A kind of same frequency combiner equipped with main rectangular band

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203895587U (en) * 2014-04-08 2014-10-22 哈尔滨理工大学 Common frequency combiner having trapezoid mutual interference part double ring 3dB electric bridge

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Publication number Priority date Publication date Assignee Title
US20080143456A1 (en) * 2006-12-15 2008-06-19 Isotek Electronics Limited Band combining filter
CN103915672B (en) * 2014-04-08 2016-05-04 山东国恒机电配套有限公司 A kind of dicyclo 3dB electric bridge
CN107196032B (en) * 2017-05-25 2018-06-19 国网陕西省电力公司西安供电公司 A kind of same frequency combiner
CN107104259B (en) * 2017-05-25 2019-07-12 东莞质研工业设计服务有限公司 A kind of 3dB electric bridge

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CN203895587U (en) * 2014-04-08 2014-10-22 哈尔滨理工大学 Common frequency combiner having trapezoid mutual interference part double ring 3dB electric bridge

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WO2018214564A1 (en) 2018-11-29

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Inventor after: Bai Kaifeng

Inventor after: Zhao Yongzhu

Inventor after: Fan Jinfeng

Inventor after: Wang Yongfeng

Inventor after: Cui Jingan

Inventor after: Chen Xiaoyi

Inventor after: Han Lifang

Inventor after: Ying Huan

Inventor before: Shang Shunchao

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Effective date of registration: 20180511

Address after: 710000 159 Ring Road East, new town, Xi'an, Shaanxi

Applicant after: Xi'an electric company of Guo Wang Shaanxi Prov. Power Co.

Applicant after: Guo Wang Shaanxi Prov. Power Co.

Applicant after: China Electric Science Research Institute Co., Ltd.

Address before: 523000 Guangdong, Dongguan, Dongcheng District, Niu Shan Guangming Road, Dongcheng, Zhong Yun, Smart City Industrial Park, C 302

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