阅读说明：本技术 变电站模块化试验平台 (Transformer substation modular test platform ) 是由 刘毅 陈新海 刘潇楠 胡兵 王鹏飞 王学鹏 于 2019-10-27 设计创作，主要内容包括：本发明公开了一种变电站模块化试验平台,其能够非常合理可靠的集成高压开关测试仪、回路电阻测试仪、直流电阻测试仪和介质损耗测量仪；为变电站的运维工作带来了极大的方便。本发明包含车架、安装在车架上的车厢以及安装在车架底部的四只行走轮；车厢两侧对应的开设有侧散热通风孔,车厢的前面和后面均安装相同结构的厢门,厢门为两扇,对开结构,且厢门为透明厢门,两扇厢门相近的位置均设置有拉手；车厢内部中间设置纵向的隔板,隔板左侧为左间隔,隔板右侧为右间隔；左间隔和右间隔内安装多个抽屉单元,每个抽屉单元分别对应安装有高压开关测试仪、回路电阻测试仪、直流电阻测试仪、工具箱、电脑一体机和介质损耗测量仪。(The invention discloses a transformer substation modular test platform which can reasonably and reliably integrate a high-voltage switch tester, a loop resistance tester, a direct current resistance tester and a dielectric loss measuring instrument and brings great convenience to operation and maintenance work of a transformer substation.)

1. The modularized test platform for the transformer substation is characterized by comprising a frame, a carriage arranged on the frame and four traveling wheels arranged at the bottom of the frame, wherein the two traveling wheels in front are universal wheels and are provided with brakes;

the middle of the interior of the carriage is provided with a longitudinal partition plate, the left side of the partition plate is a left partition, and the right side of the partition plate is a right partition, a plurality of drawer units are arranged in the left partition and the right partition, each drawer unit is correspondingly provided with a high-voltage switch tester, a loop resistance tester, a direct-current resistance tester, a tool box, a computer body machine and a medium loss measuring instrument, the high-voltage switch tester, the loop resistance tester, the direct-current resistance tester and the tool box are positioned in the left partition and are arranged from top to bottom, the computer body machine and the medium loss measuring instrument are positioned in the right partition and are arranged from top to bottom in an inscribed mode, and a keyboard and mouse supporting plate is arranged between;

the carriage comprises frames which are arranged at the front and the back of the carriage through frame hinges, a -ring embedding groove is arranged on the surface of the frame facing the inside of the carriage, a folding edge is arranged on the edge of a transparent plate and is embedded into the embedding groove, a plurality of fixing holes are uniformly distributed in the folding edge and the embedding groove in a penetrating manner, a transverse pressing strip and a vertical pressing strip are buckled into the embedding groove, and after the transverse pressing strip and the vertical pressing strip are buckled into the embedding groove, a plate is fixed on the frame after a fixing glue nail penetrates through the fixing;

the fixed glue nail comprises a fixed part fixedly connected with the transverse pressing strip and the vertical pressing strip, a radially reduced clamping neck at the front end of the fixed part, and a ball head of a hemispherical structure at the front section of the clamping neck.

2. The substation modular test platform of claim 1, wherein: and after the fixing rubber nail penetrates through the fixing hole, the hole wall of the fixing hole is embedded into the clamping neck.

3. The substation modular test platform of claim 1, wherein: the panel in front of the drawer unit is a control panel.

4. The substation modular test platform of claim 1, wherein: the lower edge of a panel in front of each drawer unit is provided with a drawer extension plate, the drawer extension plate is provided with a self-locking rubber strip, two sides of the self-locking rubber strip are convexly provided with self-locking barbs, and two sides of each drawer unit are fixedly provided with rectangular hanging frames arranged in the horizontal direction; after the drawer unit is completely pushed in, the top end of the self-locking barb extends into the rectangular hanging frame and hooks the rectangular hanging frame.

5. The substation modular test platform of claim 4, wherein: the self-locking rubber strip and the drawer extension plate are simultaneously provided with rectangular holes, and the T-shaped limiting part penetrates through the rectangular holes to connect the self-locking rubber strip with the drawer extension plate.

6. The substation modular test platform of claim 1, wherein: and panel handles are arranged on two sides of the panel in front of the drawer unit.

7. The substation modular test platform of claim 1, wherein: the lower left corner of the panel in front of the drawer unit is provided with air inlet meshes, and the upper right corner is provided with an air outlet grid.

8. The substation modular test platform of claim 7, wherein: in the drawer unit, an induced draft fan is installed at a position corresponding to the air inlet mesh holes, the induced draft fan is fixed in the drawer unit through a fan frame, and the bottom of the induced draft fan is provided with an air deflector which is used for guiding air in the air inlet mesh holes into the drawer unit and faces the air outlet grille.

9. The substation modular test platform of claim 1, wherein: the bottom plate of the drawer unit corresponding to the tool box is a magnetic drawer bottom plate; and a brim is arranged outside the side ventilation and heat dissipation holes.

10. The substation modular test platform of claim 7, wherein: the air inlet mesh is netted, the air outlet grid is a plurality of parallel distribution's bar hole.

Technical Field

The invention relates to kinds of transformer substation comprehensive test equipment, in particular to a daily inspection comprehensive test device for a transformer substation.

Background

In the operation and maintenance inspection of the transformer substation, frequently used equipment comprises a high-voltage switch tester, a loop resistance tester, a direct-current resistance tester and a dielectric loss measuring instrument;

a High-Voltage Switch Tester (High Voltage Switch Tester) is a design blueprint according to the latest ' High-Voltage alternating-current circuit breaker ' GB1984-2003, refers to the 3 rd part of the ' High-Voltage test equipment general technical condition ' of the power industry standard of the people's republic of China, and takes DL/T846.3-2004 as a design basis, thereby providing convenience for dynamic analysis of various circuit breakers, and being capable of accurately measuring mechanical dynamic characteristic parameters of low-Voltage circuit breakers, High-Voltage circuit breakers of various Voltage levels and the like.

The loop resistance tester is a special instrument for measuring the contact resistance and the loop resistance of the switch control equipment, the test current adopts 100A direct current recommended by the national standard GB763, the loop resistance or the contact resistance can be directly measured under the condition of 100A, 200A, 300A,400A,500A or 600A current and can be directly displayed and also stored on the instrument, the maximum group number is 100, the stored data can be communicated with an upper computer through an RS232 interface and can be uploaded to a computer for storage or printing.

The DC resistance tester adopts advanced switching power supply technology, and displays the measurement result by dot-matrix liquid crystal, thus overcoming the disadvantage that the value displayed by LED is inconvenient to read in the sun for other similar products, and having automatic arc extinction function.

A dielectric loss measuring instrument is a high-precision instrument for fully automatically measuring dielectric loss tangent value and capacitance of various high-voltage power equipment in the field of power plants, transformer substations and the like, wherein a dielectric body consumes part of electric energy under the action of alternating voltage, the part of electric energy is converted into heat energy to generate loss, the energy loss is called the loss of the dielectric body, when the alternating voltage is applied to the dielectric body, a phase angle difference psi exists between the voltage and the current in the dielectric body, the residual angle delta of the psi is called a dielectric loss angle, the tangent tg delta of the delta is called the dielectric loss tangent, the tg delta value is a parameter for measuring the dielectric loss, a high-voltage set value is sent to a variable-frequency power supply after starting measurement, the variable-frequency power supply adjusts the output slow speed to a set value by using a PID algorithm, a measuring circuit sends the measured high voltage to the variable-frequency power supply, low voltage is finely adjusted to realize accurate high-voltage output, the measuring circuit automatically selects input and switches the measuring range according to the positive/negative connection line, the measuring circuit adopts Fourier to filter out interference, separates out signal fundamental wave, carries out vector operation on standard current and test capacitance, calculates the angle difference tg delta, and repeatedly measures intermediate speed and sends out a step-down instruction.

The instruments are required to be carried simultaneously during the daily inspection test, so that the carrying is messy, the instruments are easy to collide with each other in a scattered mode, and the test site is very messy due to the scattered arrangement of the equipment, so that -model devices capable of inheriting the test function are very necessary for operation and maintenance work of a transformer substation.

Disclosure of Invention

The technical problem to be solved by the invention is to provide transformer substation modular test platforms aiming at the defects in the prior art, the high-voltage switch tester, the loop resistance tester, the direct current resistance tester and the dielectric loss measuring instrument can be reasonably and reliably integrated, and great convenience is brought to the operation and maintenance work of a transformer substation.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:

the modularized test platform for the transformer substation comprises a frame, a carriage arranged on the frame and four traveling wheels arranged at the bottom of the frame, wherein the two traveling wheels in front are universal wheels and are provided with brakes;

the middle of the interior of the carriage is provided with a longitudinal partition plate, the left side of the partition plate is a left partition, and the right side of the partition plate is a right partition, a plurality of drawer units are arranged in the left partition and the right partition, each drawer unit is correspondingly provided with a high-voltage switch tester, a loop resistance tester, a direct-current resistance tester, a tool box, a computer body machine and a medium loss measuring instrument, the high-voltage switch tester, the loop resistance tester, the direct-current resistance tester and the tool box are positioned in the left partition and are arranged from top to bottom, the computer body machine and the medium loss measuring instrument are positioned in the right partition and are arranged from top to bottom in an inscribed mode, and a keyboard and mouse supporting plate is arranged between;

the carriage comprises frames which are arranged at the front and the back of the carriage through frame hinges, a -ring embedding groove is arranged on the surface of the frame facing the inside of the carriage, a folding edge is arranged on the edge of a transparent plate and is embedded into the embedding groove, a plurality of fixing holes are uniformly distributed in the folding edge and the embedding groove in a penetrating manner, a transverse pressing strip and a vertical pressing strip are buckled into the embedding groove, and after the transverse pressing strip and the vertical pressing strip are buckled into the embedding groove, a plate is fixed on the frame after a fixing glue nail penetrates through the fixing;

the fixed glue nail comprises a fixed part fixedly connected with the transverse pressing strip and the vertical pressing strip, a radially reduced clamping neck at the front end of the fixed part, and a ball head of a hemispherical structure at the front section of the clamping neck.

is the preferable mode that the hole wall of the fixing hole is embedded into the clamping neck after the fixing glue nail passes through the fixing hole.

is the preferable embodiment of the invention, the front panel of the drawer unit is a control panel.

According to preferred embodiments of the invention, the lower edge of the front panel of each drawer unit is provided with a drawer extension plate, the drawer extension plate is provided with a self-locking rubber strip, two sides of the self-locking rubber strip are convexly provided with self-locking barbs, two sides of each drawer unit are fixedly provided with a rectangular hanging frame arranged in the horizontal direction, and after the drawer units are completely pushed in, the top ends of the self-locking barbs extend into the rectangular hanging frames and hook the rectangular hanging frames.

According to preferable embodiments of the invention, the self-locking rubber strip and the drawer extension plate are simultaneously provided with rectangular holes, and the T-shaped limiting piece penetrates through the rectangular holes to connect the self-locking rubber strip and the drawer extension plate.

is the preferred embodiment of the invention, the two sides of the front panel of the drawer unit are provided with panel handles.

According to preferred embodiments of the invention, the lower left corner of the panel at the front of the drawer unit is provided with an air inlet mesh, and the upper right corner is provided with an air outlet grid.

According to preferable embodiments of the invention, an induced draft fan is arranged in the drawer unit at a position corresponding to the air inlet mesh, the induced draft fan is fixed in the drawer unit through a fan frame, and an air deflector which is used for guiding the inlet air of the air inlet mesh into the drawer unit and extends towards the air outlet grid is arranged at the bottom of the induced draft fan.

According to preferred embodiments of the invention, the bottom plate of the drawer unit corresponding to the tool box is a magnetic drawer bottom plate, and the outside of the side ventilation and heat dissipation hole is provided with a cap peak.

According to preferable embodiments of the invention, the air inlet mesh is net-shaped, and the air outlet grid is a plurality of strip-shaped holes distributed in parallel.

The invention has the beneficial effects that:

the invention relates to a transformer substation modular test platform, which comprises a frame, a carriage arranged on the frame and four traveling wheels arranged at the bottom of the frame, wherein the two traveling wheels in front are universal wheels and are provided with brakes, the rear part of the carriage is provided with two rear pushers, the two sides of the carriage are correspondingly provided with side heat dissipation vent holes, the front part and the rear part of the carriage are respectively provided with a carriage with the same structure, the carriages are provided with two fans and are of a split structure, the carriages are transparent carriages , and the positions close to the two carriages are respectively provided with a handle;

the invention discloses a vehicle body structure, which comprises a vehicle body, a longitudinal partition board, a high-voltage switch tester, a loop resistance tester, a direct current resistance tester, a tool box, a computer body machine and a dielectric loss measuring instrument, wherein the longitudinal partition board is arranged in the middle of the interior of the vehicle body, the left side of the partition board is a left partition, the right side of the partition board is a right partition, a plurality of drawer units are arranged in the left partition and the right partition, each drawer unit is respectively and correspondingly provided with the high-voltage switch tester, the loop resistance tester, the direct current resistance tester and the tool box which are arranged from top to bottom, the computer body machine and the dielectric loss measuring instrument are arranged from top to bottom in the right partition, a keyboard and mouse supporting plate is arranged between the computer body machine and the dielectric loss measuring instrument.

The compartment comprises frames which are arranged in front of and behind a compartment through frame hinges, a -ring embedded groove is formed in the surface of the frame facing the inside of the compartment, a hem is arranged at the edge of a transparent plate and is embedded into the embedded groove, a plurality of fixing holes are uniformly formed in the hem and the embedded groove in a penetrating mode, a transverse pressing strip and a vertical pressing strip are buckled into the embedded groove, a 3 plate is fixed on a frame after a fixing rubber nail penetrates through the fixing hole, a special compartment structure is designed, the effect of exposing the instrument is achieved by designing a plate into a detachable structure in consideration of the conditions of heat dissipation and field use of each testing instrument, the detachable structure of the plate achieves the effect of exposing the instrument by embedding four sides into grooves of a frame through the four sides, the integration function is achieved, direct operation and control of each drawer unit can be guaranteed, the exposure is also very beneficial to heat dissipation, the detachable structure of the plate is embedded into the grooves of the four sides of the four frames, the transverse pressing strip and the vertical pressing strip can achieve reliable embedding, the fixing of the fixing rubber nail, the fixing of the fixing, the fixing of the fixing nail, the fixing nail can be achieved by the fixing of the fixing, the fixing of the fixing nail after the fixing of the fixing the.

It should be noted that, if the advantage of realizing instrument exposure is that only the railway carriage or compartment is opened, it is very unsuitable in the field of transformer substation, because the field devices of transformer substation are more, the space is compact, the equipment is more accurate, if the board is opened, not only the space is not enough, but also collision between railway carriage or compartment and nearby equipment is easily caused, and the damage caused is great.

Always, the integrated structure of the invention is very reasonable, reliable and ingenious, can ensure the independent operation of each instrument and the integrated installation of all the instruments, and brings great convenience for the operation and maintenance work of the transformer substation.

Drawings

FIG. 1 is a side view of embodiments of the present invention;

FIG. 2 is a front view of embodiments of the present invention;

FIG. 3 is a schematic diagram of the internal structure of embodiments of the present invention;

FIG. 4 is a schematic diagram of embodiments of the compartment of the present invention;

FIG. 5 is a schematic view of the structure of embodiments of the vertical batten of the compartment of the present invention;

FIG. 6 is a schematic view of the structure of embodiments of the cross molding of the compartment of the present invention;

FIG. 7 is a schematic view of an assembled structure of the drawer unit of the present invention;

FIG. 8 is a schematic structural view of preferred embodiments of the drawer unit of the present invention;

FIG. 9 is a schematic structural diagram of exemplary embodiments of the intake fan of the present invention;

FIG. 10 is a schematic view of the distribution of the air inlet and outlet openings of the present invention;

FIG. 11 is a schematic view of the position of the magnetic drawer bottom of the present invention;

fig. 12 is a schematic view of the installation position of the self-locking rubber strip of the invention.

Description of reference numerals:

1-carriage, 2-side heat dissipation vent hole, 3-rear pushing handle, 4-travelling wheel, 5-brake, 6-carriage , 7-handle, 8-high voltage switch tester, 9-loop resistance tester, 10-direct current resistance tester, 11-drawer extension plate, 12-self-locking rubber strip, 13-rectangular hole, 14-T type limiting piece, 15-self-locking barb, 16-left interval, 17-right interval, 18-tool box, 19-computer body machine, 20-keyboard and mouse supporting plate, 21-dielectric loss measuring instrument, 22-partition plate;

201-drawer unit, 202-self-locking rubber strip, 203-rectangular hanging frame, 204-self-locking barb, 205-panel handle, 206-magnetic drawer bottom plate;

301-fan, 302-air deflector, 303-fan frame, 304-air inlet mesh, 305-air outlet grid;

701- frames, 702-embedded grooves, 703-fixed holes, 704- plates, 705- frame hinges, 706-vertical battens, 707-fixed glue nails, 708-fixed parts, 709-clamping necks, 710-bulbs and 711-transverse battens.

Detailed Description

The following description of the embodiments of the present invention refers to the accompanying drawings and examples:

as shown in fig. 1 to 12, which illustrate a specific embodiment of the present invention, as shown in the drawings, the substation modular test platform disclosed by the present invention comprises a frame, a carriage 1 mounted on the frame, and four traveling wheels 4 mounted at the bottom of the frame, wherein the two traveling wheels in front are universal wheels and provided with brakes 5, the rear of the carriage is provided with two rear pushing handles 3, two sides of the carriage 1 are correspondingly provided with side heat dissipation vents 2, the front and rear of the carriage 1 are respectively provided with a carriage 6 with the same structure, the carriage 6 is provided with two carriages , the carriages 6 are transparent carriages , and the handles 7 are arranged at the positions close to the two carriages 6;

the middle of the interior of the carriage 1 is provided with a longitudinal partition plate 22, the left side of the partition plate 22 is provided with a left interval 16, the right side of the partition plate 22 is provided with a right interval 17, a plurality of drawer units 201 are arranged in the left interval and the right interval, each drawer unit 201 is correspondingly provided with a high-voltage switch tester 8, a loop resistance tester 9, a direct-current resistance tester 10, a tool box 18, a computer body machine 19 and a medium loss measuring instrument 21, the high-voltage switch tester 8, the loop resistance tester 9, the direct-current resistance tester 10 and the tool box 18 are positioned in the left interval and arranged from top to bottom, the computer body machine and the medium loss measuring instrument are positioned in the right interval and arranged from top to bottom in an inscribed mode, and a keyboard and mouse supporting plate 20 is arranged;

the carriage 6 comprises frames 701 which are arranged at the front and the back of the carriage 1 through frame hinges 705, a -ring embedded groove 702 is arranged on a surface of the frame facing the interior of the carriage, folding edges are arranged on the edges of transparent plates and are embedded into the embedded groove 702, a plurality of fixing holes 703 are uniformly distributed in the folding edges and the embedded groove in a penetrating manner, a transverse pressing strip 711 and a vertical pressing strip 706 are buckled into the embedded groove 702, and then fixed glue nails 707 penetrate through the fixing holes 703 to fix the plates 704 on the frame 701;

the fixing glue nail 707 comprises a fixing part 708 fixedly connected with the transverse pressing strip and the vertical pressing strip, a clamping neck 709 which is radially reduced at the front end of the fixing part 708, and a ball head 710 which is in a hemispherical structure and is clamped with the front section of the neck 709.

Preferably, as shown in fig. 5 and 6, after the fixing glue nail 707 passes through the fixing hole 703, the hole wall of the fixing hole is embedded into the clamping neck 709, in the structure of the clamping neck actually described in this embodiment, the clamping neck can embed the hole wall of the fixing hole in the fixed structure, so as to ensure the reliable fixing of the board and the frame, and due to the existence of the embedded structure, the basic sealing requirement can be satisfied.

Preferably, as shown in fig. 3, the front panel of the drawer unit 201 is a control panel, , the front panel of the 4 instruments related to the present invention is also the position of the control panel of the manufacturer, so the arrangement mode and the common design of the actual instruments are kept , which is beneficial to low-cost transformation, i.e. after the drawer unit is designed, only the existing instruments need to be placed in the drawer, and the instruments can be reliably fixed through reasonable design of the size and the conventional limit structure.

Preferably, as shown in fig. 7 and 12, a drawer extension plate 11 is arranged at the lower edge of a front panel of the drawer unit, a self-locking rubber strip 12 is installed on the drawer extension plate 11, self-locking barbs 15 are convexly arranged on two sides of the self-locking rubber strip 12, a rectangular hanging frame 203 arranged in the horizontal direction is fixedly installed on two sides of each drawer unit 201, the top end of the self-locking barb 15 extends into the rectangular hanging frame and hooks the rectangular hanging frame 203 after the drawer unit is completely pushed in, the self-locking structure designed in the embodiment aims to prevent the drawer unit from being damaged and failing in a test process after sliding out, the self-locking force of the self-locking rubber strip is small, but the self-locking force is ingenious in structure and can sufficiently bear the self-locking requirement in the actual use condition, the drawer unit is prevented from falling off through a plate in a moving process like , the self-locking rubber strip in the embodiment is prevented from sliding out of the drawer unit in a test process after the drawer unit is disassembled from the plate, the self-locking barb and the rectangular hanging frame are easily matched, the self-locking barb and the rectangular hanging frame can be easily separated from the self-locking rubber strip, so that the self-locking device is easy to be easily realized.

Preferably, as shown in fig. 12: the self-locking rubber strip 202 and the drawer extension plate are simultaneously provided with rectangular holes 13, and the self-locking rubber strip is connected with the drawer extension plate after the T-shaped limiting part penetrates through the rectangular holes. The rectangular hole and the T-shaped limiting part structure designed by the embodiment can enable the self-locking rubber strip to be detached very conveniently.

Preferably, as shown in fig. 2: panel grips 7 are installed at both sides of the front panel of the drawer unit.

Preferably, as shown in fig. 10: the lower left corner of the front panel of the drawer unit 201 is provided with an air inlet mesh 304, and the upper right corner is provided with an air outlet grid 305. The purpose of designing the air inlet mesh and the air outlet grid in the embodiment is to form ventilation circulation in the drawer unit, realize direct ventilation and heat dissipation of the instrument and directly ensure the reliable operation of the instrument; the circulation of the heat dissipation and ventilation of the drawer unit is matched with the heat dissipation and ventilation of the carriage, so that all equipment can operate reliably.

Preferably, as shown in fig. 9 and 10: in the drawer unit, an induced draft fan 301 is installed at a position corresponding to the air inlet mesh, the induced draft fan is fixed in the drawer unit 201 through a fan frame, and the bottom of the induced draft fan is provided with an air deflector 302 which is used for guiding air in the air inlet mesh into the drawer unit and facing the air outlet grille. The exhaust fan is specifically designed in the embodiment, the air entering through the air inlet mesh openings is sucked by the exhaust fan and then guided to the interior of the drawer unit, and then the heat inside the drawer unit is removed and taken away through the air outlet grille, so that the heat dissipation effect is greatly improved; the design of aviation baffle has promoted the effective heat dissipation channel of wind in the drawer unit inside greatly, has promoted the heat dissipation ventilation effect.

Preferably, as shown in fig. 1 and 11: the bottom plate of the drawer unit corresponding to the tool box is a magnetic drawer bottom plate 206; and a brim is arranged outside the side ventilation and heat dissipation holes. Aiming at the characteristic that tools in a tool box are scattered and roll easily, the magnetic drawer bottom plate is designed in the embodiment, so that the small tools which are easy to roll can be adsorbed and limited, and the order of the operation process is ensured. The cap peak can prevent sundries from entering and exiting under the action of wind power.

Preferably, as shown in fig. 10, the air inlet mesh 304 is a mesh, and the air outlet grille 305 is a plurality of strip-shaped holes distributed in parallel, wherein the area of the air outlet grille is larger than that of the air inlet mesh , so that the air inlet and outlet duct is smoother, and effective heat dissipation of the heat dissipation duct is ensured.

While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes, which relate to the related art known to those skilled in the art and fall within the scope of the present invention, can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.