CN106686936B - Distribution network line loss analyzer - Google Patents
Distribution network line loss analyzer Download PDFInfo
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- CN106686936B CN106686936B CN201710100621.0A CN201710100621A CN106686936B CN 106686936 B CN106686936 B CN 106686936B CN 201710100621 A CN201710100621 A CN 201710100621A CN 106686936 B CN106686936 B CN 106686936B
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- slide rail
- circuit board
- mounting disc
- distribution network
- line loss
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- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 238000013016 damping Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
The invention relates to the technical field of instruments, and provides a distribution network line loss analyzer. Compared with the prior art, the distribution network line loss analyzer provided by the invention comprises a shell, an installation disc, a slide rail arranged in the shell and an upright post arranged in the shell; the circuit board is placed in the placing groove of the mounting disc, the fixing mechanism in the mounting disc clamps the circuit board to ensure that the circuit board is stably fixed in the mounting disc, and then the mounting disc and the circuit board are pushed into the sliding rail together, so that the circuit board can be quickly mounted in the shell; in addition, because the slide rail passes through the sleeve part cover establish with the stand on can be along the direction motion that the stand extends, and the slide rail can realize the fixed of slide rail on the stand after the slide rail pushes the slide of slide rail through clamping unit, consequently, realized the circuit board along the fixed of stand extending direction upper different positions, conveniently lay the circuit board.
Description
Technical Field
The invention relates to the technical field of instruments, in particular to a distribution network line loss analyzer.
Background
The line loss calculation of the power supply main network is an important link of the power grid, and directly influences the economic operation condition of the whole power grid. The line loss measurement and calculation are carried out, the theoretical electric energy loss of the power grid element is calculated under certain power grid structure, operation mode and tide condition, the operation load condition of the power grid and equipment is comprehensively mastered, the weak link of the power grid and the structure of technical loss reduction are known, and the problems of the power grid are analyzed and searched, so that measures are taken conveniently. At present, a distribution network line loss analyzer is generally provided with a fixed mounting bracket inside a shell, and then a circuit board is fixed in the shell through bolts. This kind of mounting means flexibility is poor, is not convenient for the dismouting of circuit board, also is not convenient for lay the circuit board in the casing.
Disclosure of Invention
The invention aims to solve the technical problem of providing a distribution network line loss analyzer, and aims to overcome the defects that a circuit board in the distribution network line loss analyzer is inconvenient to disassemble and assemble and cannot be arranged in the prior art.
The invention provides a distribution network line loss analyzer which comprises a shell, a mounting disc, a slide rail arranged in the shell and an upright post arranged in the shell, wherein the slide rail is arranged on the shell; the shell comprises a bottom plate, an upright post extends along the direction vertical to the bottom plate, a slide rail is connected to the upright post in a sliding mode through a connecting piece, the slide rail is provided with a slide way for pushing in and pulling out an installation disc, the slide way extends along the length direction of the slide rail, and the connecting piece comprises a sleeve part sleeved on the upright post in a sliding mode and a clamping part, wherein the clamping part is extruded by the installation disc after the installation disc is pushed into the slide way so that the slide rail is kept on the upright post; the mounting plate comprises a placing groove for placing the circuit board and a fixing mechanism for fixing the circuit board.
Further, the fixing mechanism comprises two elastic components, the placing groove comprises two opposite longitudinal walls which are parallel to each other, and the two longitudinal walls are connected with one elastic component; each elastic component comprises a first elastic sheet, rubber blocks arranged on the first elastic sheet at intervals and springs connected between the rubber blocks and the longitudinal wall; the two opposite sides of the circuit board are abutted against the first elastic sheet and the rubber block and extrude the elastic assembly.
Furthermore, the bottom of the mounting disc is provided with a support strip, and a rubber layer is arranged between the support strip and the mounting disc.
Further, the sleeve part comprises two panels which are parallel to each other and arranged at intervals, one ends of the two panels are connected to the sliding rail respectively, and each panel is provided with a first through hole for the upright column to penetrate through.
Furthermore, a second through hole is formed between the two panels of the slide rail; the clamping component comprises two second elastic sheets which are arranged between the two panels and clamp two opposite sides of the stand column; each second elastic sheet comprises a first end and a second end, the first end is in contact with the upright post, the second end penetrates through the second through hole and extends to the slide way, and the second end of one second elastic sheet is connected with the second end of the other second elastic sheet; the clamping part further comprises two supporting plates which are used for respectively supporting the second elastic sheets when the two second elastic sheets are extruded and deformed by the mounting disc so that the first ends of the two second elastic sheets clamp the stand column, the two second elastic sheets are arranged between the two supporting plates, and the two supporting plates are connected and fixed on the sliding rail.
Furthermore, the two second elastic sheets comprise a first section and a second section which are connected with each other, and the joint of the first section and the second section forms a circular arc-shaped transition section.
Further, join in marriage net twine loss analysis appearance and include the fixed subassembly that is used for being fixed in the mounting disc on the slide, fixed subassembly including set up on the slide rail couple with set up on the mounting disc and with couple matched with recess, the couple includes one colludes the portion and connects the connecting portion between portion and slide rail of colluding, colludes the lateral wall that the portion supported the recess in order to connect fixed mounting disc.
Furthermore, join in marriage net line loss analysis appearance still includes the ejector pin that is used for going out the recess with the couple and sets up on the mounting disc and be used for the ejector pin groove that the ejector pin put into, and the couple is located the extending direction in ejector pin groove.
Further, the casing still includes two relative curb plates of connecting in the bottom plate, and the bottom plate is provided with the fan, and the fan passes through the universal joint and connects the casing, and two curb plates are provided with the air exit.
Further, be provided with the water conservancy diversion subassembly in the air exit, the water conservancy diversion subassembly includes first guide plate and second guide plate, and first guide plate is connected between second guide plate and casing, and the contained angle of first guide plate and horizontal direction is 60 ~ 70, and the contained angle of second guide plate and horizontal direction is 30 ~ 50.
Compared with the prior art, the distribution network line loss analyzer provided by the invention comprises a shell, an installation disc, a slide rail arranged in the shell and an upright post arranged in the shell; the circuit board is placed in the placing groove of the mounting disc, the fixing mechanism in the mounting disc clamps the circuit board to ensure that the circuit board is stably fixed in the mounting disc, and then the mounting disc and the circuit board are pushed into the slideway together, so that the circuit board can be quickly mounted in the shell; in addition, because the slide rail passes through the sleeve part cover and locates and can move along the direction that the stand extends on the stand, and the slide rail can realize the fixed of slide rail on the stand after the slide rail is pushed to the mounting panel through clamping unit, consequently, realized the circuit board and in the fixed of different positions along stand extending direction, conveniently lay the circuit board.
Drawings
Fig. 1 is a schematic front view of a distribution network line loss analyzer provided in an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a mounting plate provided in an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a connector according to an embodiment of the present invention;
FIG. 4 is a cross-sectional schematic view of a clamping component provided by an embodiment of the present invention;
FIG. 5 is a cross-sectional schematic view of another clamping component provided by an embodiment of the present invention;
FIG. 6 is a schematic view of a securing assembly provided by an embodiment of the present invention;
FIG. 7 is a schematic view of a mounting plate secured to a slide by a securing assembly according to an embodiment of the present invention;
fig. 8 is a schematic view of a flow directing assembly.
Description of the main elements
100 distribution network line loss analyzer 10 shell
20 mounting plate 11 bottom plate
30 slide rail 40 column
50 connecting piece 60 fixing component
70 fan 80 diversion assembly
90 wire mesh 12 side plate
13 air outlet 21 standing groove
22 longitudinal wall 23 fixing means
231 elastic component 2311 first elastic sheet
2312 rubber block 2313 spring
2314 bottom of the through hole 24
25 support strip 26 rubber layer
27 bending part 271 groove
272 side wall 273 top bar groove
31 slide 32 side arm
33 opening of substrate 34
35 second through hole 36 restriction
37 magnet 38 hook
381 hook 382 connecting part
39 reset member 51 sleeve member
511 panel 512 first through hole
52 clamping member 521 second spring
5211 first end 5212 second end
5213 first section 5214 second section
5215 transition 522 support plate
523 damping block 53 connecting plate
54 unsealed 61 push rod
81 first baffle 82 second baffle
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of implementations of the invention refers to the accompanying drawings.
For convenience of description, the terms "left", "right", "up" and "down" used hereinafter are the same as the left, right, up and down directions of the drawings themselves, but do not limit the structure of the present invention.
Fig. 1 to 8 show a preferred embodiment of the present invention.
The distribution network line loss analyzer 100 provided by the embodiment comprises a shell 10, a mounting plate 20, a slide rail 30 arranged in the shell 10 and a stand column 40 arranged in the shell 10; the casing 10 comprises a bottom plate 11, a column 40 extends along a direction perpendicular to the bottom plate 11, a slide rail 30 is connected to the column 40 in a sliding manner through a connecting piece 50, the slide rail 30 is provided with a slide way 31 for pushing and pulling the mounting plate 20 in and out, the slide way 31 extends along the length direction of the slide rail 30, the connecting piece 50 comprises a sleeve part 51 which is sleeved on the column 40 in a sliding manner and a clamping part 52 which is pressed by the mounting plate 20 after the mounting plate 20 is pushed into the slide way 31 so as to keep the slide rail 30 on the column 40; the mounting tray 20 includes a placement groove 21 for placing a circuit board and a fixing mechanism 23 for fixing the circuit board.
In the distribution network line loss analyzer 100, the circuit board is placed in the placing groove 21 of the mounting plate 20, the fixing mechanism 23 in the mounting plate 20 clamps the circuit board to ensure that the circuit board is stably fixed in the mounting plate 20, and then the mounting plate 20 and the circuit board are pushed into the slideway 31 together, so that the circuit board can be quickly mounted in the shell 10; in addition, because the slide rail 30 is sleeved on the upright post 40 through the sleeve part 51 and can move along the extending direction of the upright post 40, and the slide rail 30 can be fixed on the upright post 40 after the mounting plate 20 is pushed into the slide rail 31 of the slide rail 30 through the clamping part 52, the circuit boards can be fixed at different positions along the extending direction of the upright post 40, and the circuit boards can be conveniently arranged.
Referring to fig. 1 and 6, the slide rail 30 includes a pair of side arms 32 parallel to and spaced apart from each other and a base plate 33 connected between the two side arms 32, the side plates 12 and the base plate 33 together defining a slide 31; an opening 34 is arranged at one end part of the slide rail 30; the mounting plate 20 is pushed into the slide 31 from the opening 34; in this embodiment, the number of the slide rails 30 is, but not limited to, six, and two slide rails 30 form a pair, in each pair of slide rails 30, the two slide rails 30 are arranged oppositely, and the opposite sides of the mounting disc 20 are respectively pushed into the two slide ways 31 of the pair of slide rails 30, so as to implement the mounting of the mounting disc 20 and the circuit board, and therefore, the distribution network line loss analyzer 100 can adjust the number of the mounted circuit boards as required, and the scalability and expandability of the distribution network line loss analyzer 100 in subsequent use are ensured.
In this embodiment, the number of the upright posts 40 is two, two upright posts 40 are oppositely arranged, and each upright post 40 is connected with the middle part of one slide rail 30 on the same side in each pair of slide rails 30, so as to ensure that the slide rails 30 can stably move in the extending direction of the upright posts 40; the number of columns 40 may be an even number, wherein every two columns 30 are arranged oppositely, and the columns 30 on the same side are arranged at intervals.
Referring to fig. 2, the fixing mechanism 23 includes two elastic members 231, the placing slot 21 includes two longitudinal walls 22 opposite and parallel to each other, and one elastic member 231 is connected to each of the two longitudinal walls 22; each elastic member 231 comprises a first elastic sheet 2311, rubber blocks 2312 arranged on the first elastic sheet 2311 at intervals, and springs 2313 connected between the rubber blocks 2312 and the longitudinal walls 22; the opposite sides of the circuit board abut against the first resilient tab 2311 and the rubber block 2312 and squeeze the elastic member 231; when the circuit board is placed in the placement groove 21, the two opposite sides of the circuit board abut against the first elastic sheet 2311 and the rubber block 2312 and press the elastic assemblies 231, so that the circuit board is clamped between the two elastic assemblies 231 to fix the circuit board on the mounting disc 20, the first elastic sheet 2311 and the spring 2313 can elastically deform according to the size of the circuit board, and therefore circuit boards with different sizes in a certain range can be mounted; in this embodiment, the rubber blocks 2312 are arranged on the first elastic sheet 2311 at intervals, through the through holes 2314 arranged on the first elastic sheet 2311 at intervals, the rubber blocks 2312 are arranged in the through holes 2314, and the rubber blocks 2312 effectively improve the static friction force between the circuit board and the elastic assembly 231, so that the circuit board is more stable in the mounting disc 20.
Furthermore, the bottom 24 of the mounting plate 20 is provided with a support strip 25, a rubber layer 26 is arranged between the support strip 25 and the mounting plate 20, the support strip 25 can ensure that the mounting plate 20 is not easily deformed, and meanwhile, due to the existence of the support strip 25 and the rubber layer 26, when the plurality of mounting plates 20 are overlapped, certain buffering can be realized, and the mounting plates 20 are not easily damaged.
Referring to fig. 3, the sleeve member 51 includes two panels 511 parallel to each other and spaced apart from each other, one end of each of the two panels 511 is connected to the slide rail 30, and each of the panels 511 is provided with a first through hole 512 through which the pillar 40 passes; two first through-holes 512 are located collinear, and the shape of first through-hole 512 is unanimous and slightly bigger than the cross sectional area of stand 40 with the cross sectional shape of stand 40, makes the sleeve structure can move in the extending direction of stand 40, and two panels 511 interval sets up, guarantees that slide rail 30 can not produce when moving along the extending direction of stand 40 and sways or rock.
Referring to fig. 3 and 4, the slide rail 30 has a second through hole 35 formed between the two panels 511; the clamping component 52 comprises two second elastic sheets 521 which are arranged between the two panels 511 and clamp two opposite sides of the upright post 40; each second elastic piece 521 comprises a first end 5211 and a second end 5212, the first end 5211 is in contact with the upright post 40, the second end 5212 passes through the second through hole 35 and extends to the slideway 31, and the second end 5212 of one second elastic piece 521 is connected with the second end 5212 of the other second elastic piece 521; the clamping member 52 further includes two support plates 522 for respectively supporting the two second resilient sheets 521 when the two second resilient sheets 521 are deformed by the pressing of the mounting plate 20, so that the first ends 5211 of the two second resilient sheets 521 clamp the pillar 40, the two second resilient sheets 521 are disposed between the two support plates 522, and the two support plates 522 are connected and fixed to the slide rail 30; when the mounting disc 20 is pushed into the slide rail 30, the mounting disc 20 and the portion of the second elastic sheet 521, which penetrates through the second through hole 35 and extends to the slide way 31, contact and squeeze the second elastic sheet 521, so that the second elastic sheet 521 deforms and presses against the supporting plate 522, the supporting plate 522 supports the second elastic sheet 521, and the first end 5211 of the second elastic sheet 521 clamps the upright post 40, thereby positioning and fixing the slide rail 30 on the upright post 40.
Referring to fig. 4, each of the two second resilient pieces 521 includes a first section 5213 and a second section 5214 that are connected to each other, a circular arc-shaped transition section 5215 is formed at a connection portion of the first section 5213 and the second section 5214, wherein the openings 34 of the two transition sections 5215 are opposite in direction, the end portion of the first section 5213 is a first end 5211, the end portion of the second section 5214 is a second end 5212, when the second resilient piece 521 is deformed by the extrusion of the mounting plate 20, the second section 5214 moves toward the upright post 40, the transition section 5215 of the second resilient piece 521 contacts and presses against the supporting plate 522, and the supporting plate 522 supports the second resilient piece 521, so that the first end 5211 clamps the upright post 40, and the positioning and fixing of the slide rail 30 on the upright post 40 are realized; in other embodiments, the first section 5213 and the second section 5214 of the two second resilient sheets 521 can also be connected to form a chamfer.
In other embodiments, referring to fig. 5, in the clamping component 52, the first end 5211 of each second elastic sheet 521 still contacts with the pillar 40, and the second end 5212 is fixedly connected to the base plate 33 of the slideway 31, wherein both the second elastic sheets 521 pass through the second through hole 35 and extend to the slideway 31, the second section 5214 is located in the slideway 31, both the second sections 5214 are circular arcs, and the openings 34 of the circular arcs are in the same direction and both face the base plate 33 of the slideway 30, and the first section 5213 and the second section 5214 are in smooth transition connection; when the mounting plate 20 is pushed into the sliding rail 30, the mounting plate 20 presses the transition section 5215, the transition section 5215 deforms, the first end 5211 and the second end 5212 of the second elastic piece 521 move in the directions away from each other, and because the second end 5212 of the second elastic piece 521 is fixed, the two first ends 5211 clamp the upright post 40, so that the positioning and fixing of the sliding rail 30 on the upright post 40 are realized.
Referring to fig. 3 to 5, the first ends 5211 of the two second elastic sheets 521 are both provided with damping blocks 523, the damping blocks 523 abut against the upright post 40, and the damping blocks 523 can increase the friction force between the upright post 40 and the second elastic sheets 521, so as to ensure that the sliding rail 30 can be fixed on the upright post 40 without sliding down.
As a further optimization, referring to fig. 3, the connecting member 50 further includes a connecting plate 53, the connecting plate 53 includes two opposite first edges (not shown) and two opposite second edges (not shown), the two first edges are connected to a panel 511, the two second edges are connected to a supporting plate 522, and the two panels 511 and the two supporting plates 522 are connected and fixed in pairs, so that the connecting member 50 forms a box with an unsealed opening 54, the box is fixed on the sliding rail 30, wherein the unsealed opening 54 overlaps the second through hole 35, and the box is compact and stable; the first through hole 512 is opened at the edge where the panel 511 and the connecting plate 53 are connected, so that when the second resilient tab 521 is deformed by the pressing of the mounting plate 20, the connecting plate 53 can limit the second resilient tab 521 to move in a direction away from the slide rail 30, thereby ensuring that the second resilient tab 521 can clamp the pillar 40 more effectively and stably.
Referring to fig. 6, the distribution network line loss analyzer 100 includes a fixing component 60 for fixing the mounting plate 20 on the sliding rail 31, the fixing component 60 includes a hook 38 disposed on the sliding rail 30 and a groove 271 disposed on the mounting plate 20 and matching with the hook 38, the hook 38 includes a hook portion 381 and a connecting portion 382 connected between the hook portion 381 and the sliding rail 30, the hook portion 381 abuts against a side wall 272 of the groove 271 to connect and fix the mounting plate 20; after the mounting plate 20 is pushed into the slide rail 30, the hook portion 381 of the hook 38 slides into the groove 271 and abuts against the side wall 272 of the groove 271, and at this time, the mounting plate 20 cannot be pulled out of the slide rail 30, so that the mounting plate 20 is fixed on the slide rail 30.
The slide rail 30 further comprises a limiting portion 36 for abutting against the mounting plate 20 after pushing the mounting plate 20 into the slide rail 30 to limit the mounting plate 20 to slide continuously, the limiting portion 36 is disposed at the other end of the slide rail 30 opposite to the opening 34; the limiting part 36 is provided with a magnet 37, and the magnet 37 can generate an adsorption force on the mounting disc 20, so that the mounting disc 20 can be more easily pushed into the slide rail 30, and the pushing and the positioning of the mounting disc 20 are facilitated; in this embodiment, the hook 38 is disposed on the magnet 37 of the restriction portion 36, the mounting plate 20 includes a bending portion 27, and the groove 271 is disposed on the bending portion 27; when the mounting plate 20 is pushed into the slide rail 30 to reach the limiting portion 36, the hook portion 381 of the hook 38 slides into the groove 271, so that the mounting plate 20 is fixed on the slide rail 30.
Referring to fig. 7, the distribution network line loss analyzer 100 further includes a top rod 61 for ejecting the hook 38 out of the groove 271, and a top rod 61 groove 273 disposed on the mounting plate 20 and used for placing the top rod 61, the hook 38 is located in the extending direction of the top rod 61 groove 273, when the mounting plate 20 needs to be pulled out from the slide rail 30, the top rod 61 is inserted into the top rod 61 groove 273 and pushed toward the direction of the hook 38, the hook portion 381 of the hook 38 is ejected out of the groove 271, and the mounting plate 20 can be pulled out; furthermore, the magnet 37 is also provided with a resetting piece 39, and the resetting piece 39 is an elastic sheet or a spring; when the mounting plate 20 is pushed into the slide way 31 until the hook portion 381 of the hook 38 slides into the groove 271, the mounting plate 20 presses the restoring member 39 to make the restoring member 39 in a compressed state, and therefore, when the hook portion 381 of the hook 38 is pushed out of the groove 271, the restoring member 39 ejects the mounting plate 20, so that the mounting plate 20 is more convenient and faster to detach.
Further, referring to fig. 1, the housing 10 further includes two opposite side plates 12 connected to the bottom plate 11, the bottom plate 11 is provided with a fan 70, the fan 70 is connected to the housing 10 through a universal joint, and the two side plates 12 are provided with air outlets 13, so that heat dissipation in the housing 10 is ensured.
Referring to fig. 8, a flow guide assembly 80 is arranged in the air outlet 13, the flow guide assembly 80 includes a first flow guide plate 81 and a second flow guide plate 82, the first flow guide plate 81 is connected between the second flow guide plate 82 and the casing 10, an included angle between the first flow guide plate 81 and the horizontal direction is 60 to 70 degrees, an included angle between the second flow guide plate 82 and the horizontal direction is 30 to 50 degrees, and the flow guide assembly 80 guides heat flow in the casing 10 out of the casing 10 and discharges the heat flow in a direction far away from the casing 10; specifically, the included angle between the first guide plate 81 and the horizontal direction is 65 °, and the included angle between the second guide plate 82 and the horizontal direction is 40 °.
Referring to fig. 1 and 8, a wire mesh 90 for blocking external rainwater and dust from entering the casing 10 is further disposed at the air outlet 13, the wire mesh 90 is disposed at the inner side of the diversion assembly 80, and the wire mesh 90 can block external rainwater and dust from entering the casing 10 through the air outlet 13, so as to ensure the drying and cleaning of the inside of the casing 10.
The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A distribution network line loss analyzer is characterized by comprising a shell, a mounting disc, a slide rail arranged in the shell and a stand column arranged in the shell; the shell comprises a bottom plate and two opposite side plates connected to the bottom plate, the bottom plate is provided with a fan, the fan is connected with the shell through a universal joint, and the two side plates are provided with air outlets; the upright post extends along the direction perpendicular to the bottom plate, the slide rail is connected to the upright post in a sliding manner through a connecting piece, the slide rail is provided with a slide way for pushing in and pulling out the mounting disc, the slide way extends along the length direction of the slide rail, and the connecting piece comprises a sleeve part which is sleeved on the upright post in a sliding manner and a clamping part which is extruded by the mounting disc after the mounting disc is pushed into the slide way so as to enable the slide rail to be kept on the upright post; a supporting strip is arranged at the bottom of the mounting disc, and a rubber layer is arranged between the supporting strip and the mounting disc; the mounting disc comprises a placing groove for placing a circuit board and a fixing mechanism for fixing the circuit board.
2. The distribution network line loss analyzer of claim 1, wherein the fixing mechanism comprises two elastic components, the placement groove comprises two opposite and parallel longitudinal walls, and one elastic component is connected to each of the two longitudinal walls; each elastic component comprises a first elastic sheet, rubber blocks arranged on the first elastic sheet at intervals and springs connected between the rubber blocks and the longitudinal wall; the two opposite sides of the circuit board are abutted against the first elastic sheet and the rubber block and extrude the elastic assembly.
3. The distribution network line loss analyzer of claim 1, wherein the sleeve member comprises two panels parallel to and spaced apart from each other, one end of each of the two panels is connected to the sliding rail, and each of the panels is provided with a first through hole for the upright to pass through.
4. The distribution network line loss analyzer of claim 3, wherein the slide rail is provided with a second through hole between the two panels; the clamping component comprises two second elastic sheets which are arranged between the two panels and used for clamping two opposite sides of the upright post; each second elastic sheet comprises a first end and a second end, the first end is in contact with the upright post, the second end penetrates through the second through hole and extends to the slide way, and the second end of one second elastic sheet is connected with the second end of the other second elastic sheet; the clamping component further comprises two supporting plates which are used for supporting the second elastic sheets respectively when the two second elastic sheets are extruded and deformed by the mounting disc so that the first ends of the two second elastic sheets clamp the stand column, the two second elastic sheets are arranged between the two supporting plates, and the two supporting plates are connected and fixed to the slide rail.
5. The distribution network line loss analyzer of claim 4, wherein each of the two second resilient tabs comprises a first section and a second section connected to each other, and a junction of the first section and the second section forms a circular arc-shaped transition section.
6. The distribution network line loss analyzer of claim 1, comprising a fixing component for fixing the mounting plate on the slideway, wherein the fixing component comprises a hook arranged on the slide rail and a groove arranged on the mounting plate and matched with the hook, and the hook comprises a hook part
And the connecting part is connected between the hook part and the slide rail, and the hook part props against the side wall of the groove to connect and fix the mounting disc.
7. The distribution network line loss analyzer of claim 6, further comprising a top bar for ejecting the hook out of the groove and a top bar groove disposed on the mounting plate for the top bar to be inserted into, wherein the hook is located in an extending direction of the top bar groove.
8. The distribution network line loss analyzer of claim 1, wherein a flow guide assembly is arranged in the air outlet, the flow guide assembly comprises a first flow guide plate and a second flow guide plate, the first flow guide plate is connected between the second flow guide plate and the shell, an included angle between the first flow guide plate and the horizontal direction is 60-70 degrees, and an included angle between the second flow guide plate and the horizontal direction is 30-50 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100621.0A CN106686936B (en) | 2017-02-23 | 2017-02-23 | Distribution network line loss analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100621.0A CN106686936B (en) | 2017-02-23 | 2017-02-23 | Distribution network line loss analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106686936A CN106686936A (en) | 2017-05-17 |
| CN106686936B true CN106686936B (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710100621.0A Active CN106686936B (en) | 2017-02-23 | 2017-02-23 | Distribution network line loss analyzer |
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| Country | Link |
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| CN (1) | CN106686936B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361593B (en) * | 2019-07-16 | 2021-08-10 | 国网山东省电力公司招远市供电公司 | Distribution network line loss analyzer |
| DE102019211603B4 (en) * | 2019-08-01 | 2021-05-20 | Asys Automatisierungssysteme Gmbh | Substrate magazine, substrate magazine system and substrate assembly system |
| CN114460406B (en) * | 2022-02-15 | 2022-08-23 | 国网山东省电力公司宁津县供电公司 | Line loss measuring and calculating device of power distribution network |
Citations (9)
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| JP3056488B1 (en) * | 1999-07-13 | 2000-06-26 | 富士通電装株式会社 | Optical fiber extra storage device and optical fiber storage tray |
| CN2518401Y (en) * | 2001-12-14 | 2002-10-30 | 施耐得股份有限公司 | Slide device of drawer |
| CN2903084Y (en) * | 2006-04-20 | 2007-05-23 | 上海梅山钢铁股份有限公司 | Air flow guiding apparatus of air delivery tower by fan |
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|---|---|
| CN106686936A (en) | 2017-05-17 |
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