CN213072075U - Multifunctional cable trench with high safety performance - Google Patents

Multifunctional cable trench with high safety performance Download PDF

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Publication number
CN213072075U
CN213072075U CN202022109097.3U CN202022109097U CN213072075U CN 213072075 U CN213072075 U CN 213072075U CN 202022109097 U CN202022109097 U CN 202022109097U CN 213072075 U CN213072075 U CN 213072075U
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China
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cable
control
cable trench
trench
power
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CN202022109097.3U
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Inventor
廖建辉
李琪
周海辉
龚小秋
刘小泽
张祺
黄志雄
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Heyuan Lianhe Power Planning And Design Co ltd
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Heyuan Electric Power Planning And Design Institute
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Abstract

The utility model discloses a multifunctional cable trench with high safety performance, which comprises a cable trench body, wherein a power cable wiring area and a control cable wiring area are divided inside the cable trench body, and the power cable wiring area and the control cable wiring area are distributed on the side wall of the cable trench body in an up-and-down space; according to the construction requirement, a single-control-cable single-force cable trench structure, a double-control-cable single-force cable trench structure and a double-control-cable double-force cable trench structure can be formed through division of a power cable wiring area and a control cable wiring area. The utility model adds a low-voltage power cable partition on the basis of the traditional prefabricated cable trench; according to the quantity of the control cables and the power cables and the cable trend characteristics, different types such as single-control-cable single-force cables, double-control-cable double-force cables and the like can be flexibly selected, so that the requirements of different use scenes are met.

Description

Multifunctional cable trench with high safety performance
Technical Field
The utility model relates to a cable pit technical field specifically is a multifunctional cable pit that security performance is high.
Background
In recent years, a domestic power system has many electrical fire accidents, and the problems in the aspects of fire-fighting design, transformation, acceptance, operation and maintenance and the like are solved. In order to further promote the lean prevention and control of electrical fire, avoid the occurrence or expansion of electrical fire accident events and improve the level of prevention and control of electrical fire of a transformer substation, documents such as 'special measures for preventing major electrical fire and equipment failure' and 'special action scheme for health level of AC/DC power supply equipment for a lift station of power grid companies in south China' and 'technical requirements (trial implementation) for prevention and control of electrical fire of a transformer substation' are issued in succession to the power grid in south China. The technical requirements are that low-voltage power cables and control cables of a transformer substation are laid in different ditches, double-loop cables of a newly-built and expanded direct-current power supply of the transformer substation, a transformer cold control system, fire protection, emergency lighting, a dual-protection device system and a public important loop are configured on different sides or supports on different layers (preferably arranged on different sides), and the double-loop low-voltage power cables are subjected to fire separation. In order to meet the relevant countermeasure requirements of the southern power grid, the cable trench arrangement of the transformer substation needs to be redesigned so as to meet the countermeasure requirements of the southern power grid.
At present, low-voltage power cables of a transformer substation in operation are laid in the same ditch as control cables. In order to solve the problem of channel separation of a low-voltage power cable and a control cable, the current adopted solution comprises the following steps:
(1) and a special low-voltage power cable trench is arranged beside the control cable trench, so that the low-voltage power cable and the control cable are separated in a fireproof manner.
(2) And laying a power cable pipeline beside the main control cable trench.
There are problems: in outdoor place and indoor high-voltage chamber, control cable and power cable all need lay toward the both sides of cable pit usually, cause power cable to need to pass from the control cable pit, and control cable also need pass from the power cable pit, and the ditch in-line pipe is numerous, is unfavorable for the fire prevention, also brings the difficulty for cable laying.
Set up the main control cable trench between circuit breaker and current transformer usually in outdoor place, circuit breaker and current transformer interval are 2.5 meters, and the equipment foundation has occupied great space, and it is not enough to set up two cable trench spaces, so need separately set up power cable trench and control cable trench, cause power cable trench and each interval branch cable trench all to need alternately, and the pipe laying is numerous, and cable laying is difficult.
The technical requirements also require that the double-loop low-voltage power cable should be subjected to fireproof separation, and a fireproof groove box still needs to be arranged in a low-voltage power cable trench, so that the investment is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional cable trench with high safety performance, which is additionally provided with a low-voltage power cable partition on the basis of the traditional prefabricated cable trench; according to the quantity of the control cables and the power cables and the characteristics of the cable trend, different types such as single-control-cable single-force cables, double-control-cable double-force cables and the like can be flexibly selected to meet the requirements of different use scenes so as to solve the problems in the background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a multifunctional cable trench with high safety performance comprises a cable trench body, wherein a power cable wiring area and a control cable wiring area are divided inside the cable trench body, and the power cable wiring area and the control cable wiring area are distributed on the side wall of the cable trench body in an up-and-down space manner;
according to construction requirements, a single-control-cable single-force cable trench structure is formed by vertically distributing a group of power cable wiring areas and a group of control cable wiring areas on one side wall of a cable trench body;
according to construction requirements, a group of power cable wiring areas and a group of control cable wiring areas are vertically distributed on one side wall of the cable trench body, and a group of control cable wiring areas are arranged on the other side wall of the cable trench body to form a double-control cable single-force cable trench structure;
according to the construction requirement, a group of power cable wiring areas and a group of control cable wiring areas are distributed on the two side walls of the cable trench body from top to bottom to form a double-control cable double-force cable trench structure.
Furthermore, power cable wiring district comprises angle steel and round steel, and the angle steel integral type is pre-buried in the top of cable pit body inside wall, and the opening upwards, pre-buried round steel between the bottom of angle steel and the cable pit body, sets up power cable on the round steel, still sets up the power cable wire hole that is used for power cable to wear out in the inside of cable pit body lateral wall.
Furthermore, the control cable wiring area comprises backing plate and horizontal support, and the fixed welding of multiunit about horizontal support divide into on the backing plate, and the backing plate passes through the screw and fixes the below at cable pit body inside wall with horizontal support integral type, offers the control cable wire hole that is used for control cable to wear out in the inside of cable pit body lateral wall, and control cable sets up on horizontal support.
Furthermore, the angle steel in the power cable wiring area and the outer side of the transverse bracket in the control cable wiring area are located in the same axis.
Furthermore, the top of cable trench body still is equipped with light-duty cable trench cover, and light-duty cable trench cover sets up in the ladder mouth of cable trench body both sides wall upper end, and the ladder mouth integral type is reserved on the cable trench body, and its opening depth is the same with light-duty cable trench cover thickness, and light-duty cable trench cover overlap joint is in the coplanar with the up end of cable trench body on the ladder mouth of both sides.
Furthermore, the front end face of the cable trench body is provided with an inserting tenon, the rear end face of the cable trench body is provided with an inserting groove, the inserting tenon is matched with the inserting groove, and a plurality of adjacent cable trench bodies are assembled into a whole through the inserting tenon and the inserting groove on the front end face and the rear end face.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a pair of multifunctional cable ditch that security performance is high on traditional prefabricated formula cable ditch basis, adds the low pressure power cable subregion, according to control cable and power cable's quantity and cable trend characteristics, can select different types such as single control cable list power cable, two accuse cable list power cables, two accuse cable double-force cables in a flexible way to satisfy the requirement of different use scenes.
2. The utility model provides a multifunctional cable trench with high safety performance, the control cable and the power cable are integrally arranged, the requirement of implementing fireproof separation on the control cable and the power cable is met, meanwhile, excessive crossing of the control cable and the power cable is avoided, the cable trend is clear and smooth, the arrangement is attractive, and the construction is convenient; the integrated design also saves space, saves materials, reduces the engineering amount, reduces the engineering cost, is more beautiful on the whole cable trench, and has more advantages on indoor cable trenches with relatively limited space.
3. The utility model provides a pair of multifunctional cable ditch that security performance is high collects control cable and power cable in an organic whole for cable ditch application scope is wide, and outdoor high-pressure place of transformer substation and indoor high-pressure chamber all can use, and application prospect is wide.
Drawings
Fig. 1 is a side view of the cable trench of the present invention;
FIG. 2 is a front view of the cable trench for single control cable and single force cable of the present invention;
fig. 3 is a front view of the cable trench of the double-control cable single-force cable of the present invention;
fig. 4 is a front view of the dual-control cable and dual-force cable trench of the present invention.
In the figure: 1. a cable trench body; 101. a step opening; 102. inserting tenon; 103. inserting grooves; 2. a power cable wiring area; 201. angle steel; 202. round steel; 203. a power cable; 204. a power cable outlet hole; 3. controlling a cable wiring area; 301. a base plate; 302. a transverse support; 303. a control cable; 304. a control cable outlet hole; 305. a screw; 4. light cable trench cover board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-2, in the embodiment of the present invention: a multifunctional cable trench with high safety performance comprises a cable trench body 1, wherein a power cable wiring area 2 and a control cable wiring area 3 are divided inside the cable trench body 1, and the power cable wiring area 2 and the control cable wiring area 3 are distributed on the side wall of the cable trench body 1 in an up-down space; wherein, according to the construction demand, it has a set of power cable wiring district 2 and a set of control cable wiring district 3 to constitute single accuse cable single power cable trench structure to be distributed about being on a lateral wall of cable trench body 1.
In the above embodiment, the power cable wiring area 2 is composed of angle steel 201 and round steel 202, the angle steel 201 is integrally embedded above the inner side wall of the cable trench body 1, the opening is upward, the round steel 202 is embedded between the bottom of the angle steel 201 and the cable trench body 1, the power cable 203 is erected on the round steel 202, and a power cable outlet hole 204 through which the power cable 203 penetrates is further formed in the side wall of the cable trench body 1; the control cable wiring area 3 consists of a backing plate 301 and a transverse support 302, the transverse support 302 is divided into an upper group and a lower group which are fixedly welded on the backing plate 301, the backing plate 301 integrally fixes the transverse support 302 below the inner side wall of the cable trench body 1 through a screw 305, a control cable outlet hole 304 for the penetration of a control cable 303 is formed in the inner side wall of the cable trench body 1, and the control cable 303 is erected on the transverse support 302; wherein, angle steel 201 in power cable wiring district 2 and the outside of horizontal support 302 in control cable wiring district 3 are located the same axis.
In the above embodiment, the top of cable pit body 1 still is equipped with light-duty cable pit cover plate 4, light-duty cable pit cover plate 4 sets up in the ladder mouth 101 of 1 both sides wall upper end of cable pit body, ladder mouth 101 integral type is reserved on cable pit body 1, its opening depth is the same with 4 thickness of light-duty cable pit cover plate, 4 laps of light-duty cable pit cover plate are in the coplanar with the up end of cable pit body 1 on the ladder mouth 101 of both sides, thereby improve pleasing to the eye effect on the whole, through the overlap joint design of ladder mouth 101, it is firm, do not need additionally to use the connecting piece to fix, save material, convenient dismantlement.
Wherein, all establish the interior groove face width and the degree of depth of cable pit body 1 into 1000mm, its power cable wiring district 2 and control cable wiring district 3's horizontal width establishes into 250mm, and the degree of depth of angle steel 201 in the power cable wiring district 2 also establishes into 250mm, and the horizontal support 302 in the control cable wiring district 3 that all the other degree of depth are used for arranging.
In the above embodiment, the front end surface of the cable trench body 1 is provided with the insertion tenon 102, the rear end surface of the cable trench body 1 is provided with the insertion groove 103, the insertion tenon 102 is matched with the insertion groove 103, and a plurality of adjacent cable trench bodies 1 are assembled into a whole through the insertion tenons 102 and the insertion grooves 103 on the front and rear end surfaces.
The embodiment I is used for construction of the single-control-cable single-force cable trench.
Example two:
referring to fig. 3, in the embodiment of the present invention: a multifunctional cable trench with high safety performance comprises a cable trench body 1, wherein a power cable wiring area 2 and a control cable wiring area 3 are divided inside the cable trench body 1, and the power cable wiring area 2 and the control cable wiring area 3 are distributed on the side wall of the cable trench body 1 in an up-down space; wherein, according to the construction demand, be on one lateral wall of cable pit body 1 about being distributed have a set of power cable wiring district 2 and a set of control cable wiring district 3 to be equipped with a set of control cable wiring district 3 and constitute two accuse cable single-force cable trench structures on another lateral wall of cable pit body 1.
In the above embodiment, the power cable wiring area 2 is composed of angle steel 201 and round steel 202, the angle steel 201 is integrally embedded above the inner side wall of the cable trench body 1, the opening is upward, the round steel 202 is embedded between the bottom of the angle steel 201 and the cable trench body 1, the power cable 203 is erected on the round steel 202, and a power cable outlet hole 204 through which the power cable 203 penetrates is further formed in the side wall of the cable trench body 1; the control cable wiring area 3 consists of a backing plate 301 and a transverse support 302, the transverse support 302 is divided into an upper group and a lower group which are fixedly welded on the backing plate 301, the backing plate 301 integrally fixes the transverse support 302 below the inner side wall of the cable trench body 1 through a screw 305, a control cable outlet hole 304 for the penetration of a control cable 303 is formed in the inner side wall of the cable trench body 1, and the control cable 303 is erected on the transverse support 302; wherein, angle steel 201 in power cable wiring district 2 and the outside of horizontal support 302 in control cable wiring district 3 are located the same axis.
In the above embodiment, the top of cable pit body 1 still is equipped with light-duty cable pit cover plate 4, light-duty cable pit cover plate 4 sets up in the ladder mouth 101 of 1 both sides wall upper end of cable pit body, ladder mouth 101 integral type is reserved on cable pit body 1, its opening depth is the same with 4 thickness of light-duty cable pit cover plate, 4 laps of light-duty cable pit cover plate are in the coplanar with the up end of cable pit body 1 on the ladder mouth 101 of both sides, thereby improve pleasing to the eye effect on the whole, through the overlap joint design of ladder mouth 101, it is firm, do not need additionally to use the connecting piece to fix, save material, convenient dismantlement.
Wherein, establish the interior groove face width of cable pit body 1 into 1400mm, the degree of depth is established into 1200mm, and the power cable wiring district 2 of its one side and the horizontal width of control cable wiring district 3 establish into 250mm, and the degree of depth of angle steel 201 in the power cable wiring district 2 also establishes into 250mm, and the horizontal support 302 in the control cable wiring district 3 is arranged to remaining degree of depth, is equipped with symmetrical control cable wiring district 3 at cable pit body 1 opposite side.
In the above embodiment, the front end surface of the cable trench body 1 is provided with the insertion tenon 102, the rear end surface of the cable trench body 1 is provided with the insertion groove 103, the insertion tenon 102 is matched with the insertion groove 103, and a plurality of adjacent cable trench bodies 1 are assembled into a whole through the insertion tenons 102 and the insertion grooves 103 on the front and rear end surfaces.
The above embodiment is used for construction of the double-control cable single-force cable trench.
Example three:
referring to fig. 4, in the embodiment of the present invention: a multifunctional cable trench with high safety performance comprises a cable trench body 1, wherein a power cable wiring area 2 and a control cable wiring area 3 are divided inside the cable trench body 1, and the power cable wiring area 2 and the control cable wiring area 3 are distributed on the side wall of the cable trench body 1 in an up-down space; wherein, according to the construction demand, all be on the both sides wall of cable trench body 1 about being distributed and have a set of power cable wiring district 2 and a set of control cable wiring district 3 to constitute two power cable trench structures of two accuse cables.
In the above embodiment, the power cable wiring area 2 is composed of angle steel 201 and round steel 202, the angle steel 201 is integrally embedded above the inner side wall of the cable trench body 1, the opening is upward, the round steel 202 is embedded between the bottom of the angle steel 201 and the cable trench body 1, the power cable 203 is erected on the round steel 202, and a power cable outlet hole 204 through which the power cable 203 penetrates is further formed in the side wall of the cable trench body 1; the control cable wiring area 3 consists of a backing plate 301 and a transverse support 302, the transverse support 302 is divided into an upper group and a lower group which are fixedly welded on the backing plate 301, the backing plate 301 integrally fixes the transverse support 302 below the inner side wall of the cable trench body 1 through a screw 305, a control cable outlet hole 304 for the penetration of a control cable 303 is formed in the inner side wall of the cable trench body 1, and the control cable 303 is erected on the transverse support 302; wherein, angle steel 201 in power cable wiring district 2 and the outside of horizontal support 302 in control cable wiring district 3 are located the same axis.
In the above embodiment, the top of cable pit body 1 still is equipped with light-duty cable pit cover plate 4, light-duty cable pit cover plate 4 sets up in the ladder mouth 101 of 1 both sides wall upper end of cable pit body, ladder mouth 101 integral type is reserved on cable pit body 1, its opening depth is the same with 4 thickness of light-duty cable pit cover plate, 4 laps of light-duty cable pit cover plate are in the coplanar with the up end of cable pit body 1 on the ladder mouth 101 of both sides, thereby improve pleasing to the eye effect on the whole, through the overlap joint design of ladder mouth 101, it is firm, do not need additionally to use the connecting piece to fix, save material, convenient dismantlement.
Wherein, establish the interior groove face width of cable pit body 1 into 1400mm, establish the degree of depth into 1200mm, and the power cable wiring district 2 of its both sides and the horizontal width of control cable wiring district 3 establish into 250mm, and the degree of depth of angle steel 201 in the power cable wiring district 2 also establishes into 250mm, and the horizontal support 302 in the control cable wiring district 3 is arranged to other degree of depth, and the space in the middle of it is used for constructor winding displacement wiring construction.
In the above embodiment, the front end surface of the cable trench body 1 is provided with the insertion tenon 102, the rear end surface of the cable trench body 1 is provided with the insertion groove 103, the insertion tenon 102 is matched with the insertion groove 103, and a plurality of adjacent cable trench bodies 1 are assembled into a whole through the insertion tenons 102 and the insertion grooves 103 on the front and rear end surfaces.
The above embodiment is used for construction of the double-control cable double-force cable trench.
In summary, the following steps: the utility model provides a pair of multifunctional cable ditch that security performance is high on traditional prefabricated formula cable ditch basis, adds the low pressure power cable subregion, according to the quantity and the cable trend characteristics of control cable 303 and power cable 203, can select different types such as single control cable list power cable, two accuse cable list power cables, two accuse cable double-force cables in a flexible way to satisfy the requirement of different use scenes.
Secondly, the control cable 303 and the power cable 203 are integrally arranged, so that the requirement of fireproof separation of the control cable 303 and the power cable 203 is met, excessive crossing of the control cable 303 and the power cable 203 is avoided, the cable trend is clear and smooth, the arrangement is attractive, and the construction is convenient; the integrated design also saves space, saves materials, reduces the engineering amount, reduces the engineering cost, is more beautiful on the whole cable trench, and has more advantages on indoor cable trenches with relatively limited space.
Additionally, the utility model discloses control cable 303 and power cable 203 are collected in an organic whole to the multifunctional cable ditch for cable ditch application scope is wide, and outdoor high-voltage field of transformer substation and indoor hyperbaric chamber all can use, and application prospect is wide.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.

Claims (6)

1. A multifunctional cable trench with high safety performance comprises a cable trench body (1), and is characterized in that a power cable wiring area (2) and a control cable wiring area (3) are divided inside the cable trench body (1), and the power cable wiring area (2) and the control cable wiring area (3) are distributed on the side wall of the cable trench body (1) in an up-down space;
wherein, a single control cable single-force cable trench structure is formed by a group of power cable wiring areas (2) and a group of control cable wiring areas (3) which are vertically distributed on one side wall of the cable trench body (1);
one side wall of the cable trench body (1) is provided with a group of power cable wiring areas (2) and a group of control cable wiring areas (3) in an up-down distribution manner, and the other side wall of the cable trench body (1) is provided with a group of control cable wiring areas (3) to form a double-control cable single-force cable trench structure;
a group of power cable wiring areas (2) and a group of control cable wiring areas (3) are distributed on the two side walls of the cable trench body (1) from top to bottom to form a double-control cable double-force cable trench structure.
2. The multifunctional cable trench with high safety performance as claimed in claim 1, wherein: power cable wiring district (2) comprises angle steel (201) and round steel (202), and angle steel (201) integral type is pre-buried in the top of cable pit body (1) inside wall, and the opening makes progress, pre-buried round steel (202) between the bottom of angle steel (201) and cable pit body (1), sets up power cable (203) on round steel (202), still sets up power cable wire outlet (204) that are used for power cable (203) to wear out in the inside of cable pit body (1) lateral wall.
3. The multifunctional cable trench with high safety performance as claimed in claim 1, wherein: control cable wiring district (3) comprises backing plate (301) and horizontal support (302), and fixed welding of multiunit is on backing plate (301) about horizontal support (302) divide into, and backing plate (301) are fixed the below at cable pit body (1) inside wall with horizontal support (302) integral type through screw (305), offer control cable wire hole (304) that are used for control cable (303) to wear out in the inside of cable pit body (1) lateral wall, and control cable (303) are set up on horizontal support (302).
4. The multifunctional cable trench with high safety performance as claimed in claim 1, wherein: the outer sides of the angle steel (201) in the power cable wiring area (2) and the transverse bracket (302) in the control cable wiring area (3) are located in the same axis.
5. The multifunctional cable trench with high safety performance as claimed in claim 1, wherein a light cable trench cover plate (4) is further arranged above the cable trench body (1), the light cable trench cover plate (4) is erected in stepped openings (101) at the upper ends of two side walls of the cable trench body (1), the stepped openings (101) are integrally reserved on the cable trench body (1), the opening depth of the stepped openings is the same as the thickness of the light cable trench cover plate (4), and the light cable trench cover plate (4) is lapped on the stepped openings (101) at two sides and is in the same plane as the upper end face of the cable trench body (1).
6. The multifunctional cable trench with high safety performance as claimed in claim 1, wherein the front end face of the cable trench body (1) is provided with a plug tenon (102), the rear end face of the cable trench body (1) is provided with a plug groove (103), the plug tenon (102) is matched with the plug groove (103), and a plurality of adjacent cable trench bodies (1) are assembled into a whole through the plug tenons (102) and the plug grooves (103) on the front and rear end faces.
CN202022109097.3U 2020-09-23 2020-09-23 Multifunctional cable trench with high safety performance Active CN213072075U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022109097.3U CN213072075U (en) 2020-09-23 2020-09-23 Multifunctional cable trench with high safety performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022109097.3U CN213072075U (en) 2020-09-23 2020-09-23 Multifunctional cable trench with high safety performance

Publications (1)

Publication Number Publication Date
CN213072075U true CN213072075U (en) 2021-04-27

Family

ID=75559702

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022109097.3U Active CN213072075U (en) 2020-09-23 2020-09-23 Multifunctional cable trench with high safety performance

Country Status (1)

Country Link
CN (1) CN213072075U (en)

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Address after: 517000 buildings on the third floor and the fourth floor, No. 11, Heyuan Avenue North, Heyuan City, Guangdong Province

Patentee after: Heyuan Lianhe power planning and Design Co.,Ltd.

Address before: 517000 buildings on the third floor and the fourth floor, No. 11, Heyuan Avenue North, Heyuan City, Guangdong Province

Patentee before: HEYUAN ELECTRIC POWER PLANNING AND DESIGN INSTITUTE