CN106847488A - The pressure regulator and carbon brush changing method of a kind of balance abrasion, switching method of discrimination - Google Patents

The pressure regulator and carbon brush changing method of a kind of balance abrasion, switching method of discrimination Download PDF

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Publication number
CN106847488A
CN106847488A CN201710172323.2A CN201710172323A CN106847488A CN 106847488 A CN106847488 A CN 106847488A CN 201710172323 A CN201710172323 A CN 201710172323A CN 106847488 A CN106847488 A CN 106847488A
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China
Prior art keywords
carbon brush
rotating shaft
support
connecting rod
hole
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Granted
Application number
CN201710172323.2A
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CN106847488B (en
Inventor
郭文进
李长峰
庄敬辉
王学锋
刘文玲
董慧
薛金训
栾忠强
华海娣
杜志俭
张黎明
王显荣
李薇
张志远
王雪凤
刘希荣
曹丽丽
丁琳娜
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State Grid Shandong Electric Power Co Zhaoyuan Power Supply Co
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Priority to CN201710172323.2A priority Critical patent/CN106847488B/en
Publication of CN106847488A publication Critical patent/CN106847488A/en
Application granted granted Critical
Publication of CN106847488B publication Critical patent/CN106847488B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00Variable transformers or inductances not covered by group H01F21/00
    • H01F29/06Variable transformers or inductances not covered by group H01F21/00 with current collector gliding or rolling on or along winding

Abstract

Pressure regulator and carbon brush changing method, switching method of discrimination the invention discloses a kind of balance abrasion.The pressure regulator of the balance abrasion is provided with multiple supports and is used to install carbon brush.Support is arranged in the standing groove of fixed seat.Fixed seat is arranged on and is provided with the lower rotary shaft of inserting groove.Upper rotating shaft is provided with depression bar and support bar, and depression bar is used to the support where pressing the carbon brush to be used, and support bar is used to support the rotating shaft prevent depression bar excessive compression support.The beneficial effect that there is the carbon brush used by conversion to reach balance abrasion, increase the service life for the invention, also has the beneficial effect for contacting facet simultaneously according to the multiple carbon brush of size selection of load in addition.

Description

The pressure regulator and carbon brush changing method of a kind of balance abrasion, switching method of discrimination
Technical field
The present invention relates to electric power project engineering field, and in particular to a kind of pressure regulator and carbon brush switching with balance abrasion Method, switching method of discrimination.
Background technology
Pressure regulator is similar with the function of transformer, is all the conversion for carrying out voltage.From pressure regulator unlike transformer The voltage of output end output can be adjusted.In the power supply-distribution system of rural area, due to long distance powedr transmission, voltage loss is tight Weight, power supply end does not often reach predetermined voltage, therefore carries out voltage stabilizing using pressure regulator.During electrical test, distribution substation The interior equipment with different voltage class, it is therefore desirable to the power supply power supply to the device of different voltages, pressure regulator can just play weight The effect wanted.
In above-mentioned application process, although the output of pressure regulator be from 0 to maximum, but be applied in real process Voltage output value be in some specific a small range.Therefore in the case of long-term use, be commonly used that Divide and serious wear just occurs, the consequence for causing is exactly that equipment is burned.Even if other parts are intact cannot also to reuse .
A kind of carbon brush contact self coupling type exchange based on segmental variable cross-section winding of Application No. 201310191322.4 Pressure regulator, exactly weares and teares to solve the problems, such as coil.Its solution is the cable winding using varying cross-section in coil Diverse location, its problem for existing be exactly cable core the different phenomenon that can be caused current unevenness and generate heat of thickness.
A kind of improved annular pressure regulator of Application No. 200620114970.5, using the one of doublewound form design Pressure regulator is planted, big voltage range is set as an internal winding, and the adjustment voltage design of small range is an outside winding use Contacted in carbon brush.Its problem for solving is exactly to come elastic making external coil winding, section according to the voltage output range selected Cost is saved.But still can't resolve the abrasion inequality problem of coil.Therefore design one kind is prevented from coil excessive wear Balance abrasion pressure regulator turn into a kind of urgent requirement.
The content of the invention
The technical problem to be solved in the present invention is:Pressure regulator and carbon brush changing method there is provided a kind of balance abrasion, cut Method of discrimination is changed, the pressure regulator can select to use different carbon brush to enable that coil windings are worn and torn in a balanced way, prolong with this The service life of pressure regulator long.
The technical scheme of the technical problem to be solved in the present invention is:
A kind of pressure regulator of balance abrasion, including, housing, pointer, dial, carbon brush, central rotating shaft, patch panel, ring Shape iron core and it is provided with limit between the coil windings for being provided with facet on its surface, the lead-out wire at coil windings head and the tail two ends Position block, it is characterised in that:The central rotating shaft includes upper rotating shaft, lower rotary shaft and rotating shaft connecting rod, and the upper rotating shaft includes upper turn Axle portion and upper Plug Division, upper shaft are provided with controller, current transformer in the top of upper Plug Division, the patch panel. The lower rotary shaft includes two parts in lower rotary shaft portion and lower inlaying grafting part, and lower inlaying grafting part is located at the top in lower rotary shaft portion, described lower turn Axle portion is pipe, and the lower end in lower rotary shaft portion is arranged on the base of housing bottom, and upper shaft and lower inlaying grafting part are and lower rotary shaft Portion's external diameter identical cylinder.The center of the lower inlaying grafting part is provided with inserting groove, and outside is provided with a conductive plate and positioned at it The fixed seat on top, fixed seat at least two, support is provided with inside each fixed seat.The inserting groove is in lower inlaying grafting part The regular polygon groove that opens up vertically downward of upper surface, the bottom of inserting groove is provided with lower axle connecting hole, the lower axle connecting hole Insertion to lower rotary shaft portion tube chamber, lower axle connecting hole is internally threaded.The fixed seat is rectangular slat, the length of fixed seat Degree is less than positive stop to the distance of central rotating shaft, and fixed seat is provided with support perpendicular to the side of inserting groove, the top of fixed seat Groove, the bottom of support slot is provided with standing groove, and the support slot and standing groove are to connect inserting groove with the two of fixed seat distal side The rectangular channel of end opening, the width of the width less than support slot of standing groove.The bottom of the standing groove is provided with conductive hole and carbon brush Hole, near spindle central, the carbon brush hole position is in the conductive hole site on the outside of conductive hole, each standing groove for the conductive hole Distance apart from lower rotary shaft is identical, and the carbon brush pitch-row on each standing groove is different with a distance from lower rotary shaft.The conductive plate It is toroidal, including fixed disk, insulating disc, conducting ring and pillar, fixed disk medial surface passes through bearing with lower inlaying grafting part outside Connection, fixed disk bottom is provided with least two pillars, and the pillar is vertically installed between fixed disk and the bottom of housing, pillar Upper end be fixedly connected with fixed disk, lower end is fixedly connected with the bottom of housing, and insulating disc is adopted and is made from an insulative material, insulating disc Positioned at the top of fixed disk and it is fixedly connected, the top of insulating disc is provided with the groove of annular, conducting ring is embedded in the recessed of insulating disc Inside groove, the upper plane of conducting ring slightly protruding insulating disc.The upper surface middle part of the upper shaft is provided with vertically downward Circular trough, the bottom surface of circular trough is provided with axle connecting hole, and the upper Plug Division is the regular polygon cylinder matched with inserting groove, on The one of side in Plug Division is provided with depression bar, and remaining side is provided with support bar, and depression bar and support bar are rectangular strip and hang down Directly in the side of upper Plug Division.The width of the support bar is less than the width of support slot and more than the width of standing groove, Suo Youzhi Strut is located in same level.The length of the depression bar is identical with the length of standing groove, and width is pressed less than the width of standing groove Bar is located at the bottom of horizontal plane where support bar, and is on same perpendicular with the pointer on rotating shaft top is fixed on. The support is rectangular strip, and its length is more than positive stop to the distance of lower rotary shaft, the upper surface of support and the bottom of support slot Concordantly, the compression spring that the bottom of support is provided with conductive link, carbon brush connecting rod and is sheathed on conductive link, carbon brush connecting rod, Compression spring upper end is fixedly connected with support.The conductive link is the cylinder that cross sectional shape is matched with conductive hole, conductive link Vertical with support lower surface and be fixedly connected, the bottom of conductive link is provided with perpendicular to the upward groove in bottom surface, and groove is used to pacify Dress carbon brush.The carbon brush connecting rod is the cylinder that cross sectional shape is matched with carbon brush hole, and carbon brush connecting rod is vertical with support lower surface and solid Fixed connection, the bottom of carbon brush connecting rod is provided with perpendicular to the upward groove in bottom surface, and groove is used to install carbon brush.Upper and lower rotating shaft does not connect When connecing, the vertical range of lower surface to the coil windings upper surface of carbon brush is vertical more than support lower surface to positive stop upper surface Straight distance.After upper and lower rotating shaft connection, depression bar pushes one of support, the carbon brush on the carbon brush connecting rod of the support and polishing Face is electrically connected, and the carbon brush on conductive link is electrically connected with conducting ring, two carbon brush electricity on conductive link and carbon brush connecting rod Gas is connected, and conducting ring is electrically connected with power output end, and the wire of connection conducting ring and power output end passes through current transformer Center, the output end of current transformer is electrically connected with controller, and controller according to the size of output current judging carbon The degree of wear of brush.The rotating shaft length of connecting rod is more than upper axle connecting hole upper end to the distance of lower axle connecting hole lower end, and rotating shaft connects Bar is provided with block, and bottom is provided with screw thread, and rotating shaft connecting rod top passes through upper axle connecting hole, and bottom is spirally connected with lower axle connecting hole.
Preferably, the upper end of the inside of the lower axle connecting hole is provided with one section of screw thread, and corresponding rotating shaft connecting rod bottom is provided with One section of screw thread, one section of reach on the rotating shaft connecting rod is identical with the screw thread inside lower axle connecting hole, and its position relationship is: When upper and lower rotating shaft is connected, the top of the middle correspondence lower axle connecting hole of the screw thread on rotating shaft connecting rod.
Preferably, the both sides of described support bar one end are provided with arc spring lamination, are used to prevent support bar from being shaken inside support slot It is dynamic.
Preferably, the top of the rotating shaft connecting rod is provided with the cylinder or regular hexagon groove of regular hexagon, is used to use and pulls Hand or sleeve are operated.
Preferably, the support is provided with two carbon brush connecting rods, and a carbon brush, correspondence are respectively installed in two carbon brush connecting rod lower ends , it is provided with two carbon brush holes in the bottom of standing groove.
Preferably, the rotating shaft connecting rod bottom centre is provided with upward screw, and screw becomes the screw rod spiral shell of greatly T-shaped with end Connect in succession, be used to prevent rotating shaft connecting rod from extracting lower axle connecting hole out.
Preferably, the bottom of the support slot is provided with elastomeric pad.
A kind of method of the carbon brush switching of pressure regulator of balance abrasion is comprised the following steps:
Step 1, zero graduation is rotated to by the pointer of pressure regulator;Step 2, rotating shaft connecting rod makes it depart from lower rotary shaft, Step 3, upper rotating shaft is pulled out from the inserting groove of lower rotary shaft, and upper rotating shaft is rotated a certain angle, and depression bar is shifted into another Inside standing groove, the angle of rotation is 360 ° of quantity divided by support;Step 4, determines rotating shaft connecting rod and lower rotary shaft behind position Be spirally connected connection, upper and lower rotating shaft is connected into an entirety.
A kind of carbon brush switching of pressure regulator of balance abrasion is sentenced method for distinguishing and is comprised the following steps:
Step 1, controller gathers the size of current for flowing through carbon brush by current transformer;Step 2, controller is according to flowing through The size of current of carbon brush selects the coefficient of waste;Step 3, controller calculates wear intensity,Wherein H is abrasion Degree, I is output current, and Li is coefficient of waste when electric current is I, and Tn is time span when electric current is I;Step 4, works as wear intensity After reaching setting value, controller starts switching indicator lamp and lights, and points out switching carbon brush;Step 5, wear intensity is returned after carbon brush switching Zero, and recalculate.
The beneficial effects of the present invention are:
1, the pressure regulator of this balance abrasion selects different carbon brush and facet by switching the placement location of depression bar Contact, it is ensured that certain part of coil windings is not excessively abraded, with extending service life beneficial effect;
2, the pressure regulator of this balance abrasion has the support of multiple carbon brush according to load selection, make multiple carbon brush simultaneously with Facet is contacted, with the beneficial effect for preferably adapting to large current load;
3, switching is simple, and the switching of different carbon brush can have both been realized by rotation.
Brief description of the drawings
Fig. 1 is sectional view when lower rotary shaft is separated in a kind of a kind of embodiment of the pressure regulator of balance abrasion of the invention,
Fig. 2 is sectional view when lower rotary shaft is connected in a kind of a kind of embodiment of the pressure regulator of balance abrasion of the invention,
Fig. 3 is a kind of a kind of three-dimensional cutaway view of embodiment lower rotary shaft part of the pressure regulator of balance abrasion of the invention,
Fig. 4 is rotating shaft upward view in a kind of a kind of embodiment of the pressure regulator of balance abrasion of the invention,
Fig. 5 be a kind of pressure regulator of balance abrasion of the invention a kind of embodiment Fig. 2 in a-quadrant enlarged drawing,
Fig. 6 is a kind of a kind of flow chart of embodiment carbon brush switching method of discrimination of the pressure regulator of balance abrasion of the invention.
In figure
12. pointers, 17. coil windings, 18. positive stops,
2. rotating shaft is gone up, shaft on 21., on 22. Plug Division, 23. depression bars, 24. support bars, axle connecting hole on 25.,
3. lower rotary shaft, 31. lower rotary shaft portions, 32. lower inlaying grafting parts, 33. inserting grooves, 34. fixed seats, 35. lower axle connecting holes,
36. support slots, 37. standing grooves, 38. conductive plates, 381. fixed disks, 382. insulating discs, 383. conducting rings, 384. Post
4. support, 41. conductive links, 42. carbon brush connecting rods, 43. compression springs,
5. rotating shaft connecting rod
6. controller
Specific embodiment
To make technical scheme and beneficial effect clearer, embodiments of the present invention are done further below Explain in detail.
As shown in Figure 1 and Figure 2, a kind of pressure regulator of balance abrasion, including housing, pointer 12, dial, carbon brush 13, annular Iron core, patch panel, coil windings 17, central rotating shaft.Coil windings 17 are uniformly looped around on annular core, for anti-blocking Brush 13 causes power supply short circuit when going to the head end of coil windings 17 or end, is set between the power supply lead wire at the two ends of coil windings 17 Positive stop 18 is put.
Principle of the invention is to contact to reach with the diverse location of facet by the carbon brush 13 switched using diverse location To the purpose of extension pressure regulator service life.In order to realize the switching between different carbon brush 13, upgrading is done to central rotating shaft and has been changed Enter.Central rotating shaft includes upper rotating shaft 2 and lower rotary shaft 3 and connects the rotating shaft connecting rod 5 of upper and lower rotating shaft 2,3.In order to detection coil around The degree of wear of group 17 and carbon brush 13, the method using electric current is differentiated, therefore being provided with patch panel, there is center to process The summation current transformer of controller 6 of device.
Lower rotary shaft 3 is used to install carbon brush 13, and upper rotating shaft 2 is used to select the carbon brush 13 to be used.Upper rotating shaft 2 includes upper rotating shaft Portion 21 and upper Plug Division 22, top of the upper shaft 21 in upper Plug Division 22.Lower rotary shaft 3 includes lower rotary shaft portion 31 and lower inlaying grafting part 32, lower inlaying grafting part 32 is located at the top in lower rotary shaft portion 31.Lower rotary shaft portion 31 is designed as pipe for the ease of installing and rotating, on Shaft 21 and lower inlaying grafting part 32 are designed as and the external diameter identical cylinder of lower rotary shaft portion 31.Upper and lower Plug Division 22,32 is used to realize The grafting of upper and lower rotating shaft 2,3 and the switching of carbon brush 13.Upper and lower shaft 21,31 is used to ensure the vertical of upper and lower rotating shaft 21,31 And stabilization.In the prior art, the top that one bearing carrys out fixed center rotating shaft is installed in scale disk center, at enclosure interior bottom The center of facial planes is installed by the bottom that fixing bearing carrys out fixed center rotating shaft.
As shown in figure 3, lower inlaying grafting part 32 not only has the effect that connection socket is provided with upper rotating shaft 2, also with offer carbon The effect of the installation site of brush 13.Therefore lower inlaying grafting part 32 includes following structure:Inserting groove 33, conductive plate 38 and fixed seat 34, Gu Reservation 34 be located at conductive plate 38 top, the quantity of fixed seat 34 at least two, the inside of each fixed seat 34 is provided with branch Frame 4.
As its name suggests, inserting groove 33 is exactly a jack that grafting is provided for upper rotating shaft 2.Therefore inserting groove 33 be perpendicular to The upper surface of lower inlaying grafting part 32 and downward regular polygon groove.The center of inserting groove 33 and the center superposition of lower inlaying grafting part 32.Will Inserting groove 33 be designed as regular polygon groove be advantageous in that can not only realize grafting can also realize upper and lower rotating shaft 2,3 rotate Gearing, that is, go up rotating shaft 2 rotate when lower rotary shaft 3 can be driven to rotate.Because upper and lower rotating shaft 2,3 needs to connect using rotating shaft Bar 5 is attached, therefore is provided with the lower axle connecting hole 35 inside insertion to the tube chamber of lower rotary shaft portion 31 in the bottom of inserting groove 33.For Lower axle connecting hole 35 inwall of being easy to be connected is provided with screw thread.
Principle of the invention is to contact to reach with the facet of diverse location by switching carbon brush 13 to prevent coil windings 17 Excessive wear, therefore install carbon brush 13 at least two, support 4, the fixed seat 34 at least two of corresponding mounting bracket 4 It is individual.Fixed seat 34 is four in the present embodiment.It is easy to the installation of support 4 for example, fixed seat 34 is designed as rectangular slat, Support slot 36 is opened up on the top of fixed seat 34, standing groove 37 has been opened up in the bottom of support slot 36.In order to prevent fixed seat 34 are stopped when rotating by positive stop 18, and the length of fixed seat 34 is less than length of the positive stop 18 apart from lower rotary shaft 3. Fixed seat 34 perpendicular to the side of lower inlaying grafting part 32, both perpendicular to one of side of inserting groove 33.Support slot 36 and put The groove that groove 37 is both ends open is put, i.e. support slot 36 and the one end of standing groove 37 is connected with inserting groove 33, other end insertion is to admittedly The side of the distal end of reservation 34.Support slot 36 and standing groove 37 are to be easily installed in upper Plug Division with the purpose that inserting groove 33 is connected Depression bar 23 and support bar 24 on 22 enter standing groove 37 and support slot 36.Support slot 36 and the insertion of standing groove 37 are to distal side Purpose be to facilitate support 4 to stretch out fixed seat 34.In order to play a supporting role, the width of support slot 36 is more than standing groove 37 Width.
For the ease of installing carbon brush 13, and the power supply in coil windings 17 will be guided to by conducting ring 383 by carbon brush 13, The bottom of standing groove 37 is provided with conductive hole 371 and carbon brush hole 372.Conductive hole 371 and carbon brush hole 372 are used to give the bottom of support 4 Conductive link 41 and carbon brush connecting rod 42 space that passes through is provided.Conductive hole 371 is located at the bottom of standing groove 37 in lower rotary shaft 3 The position of the heart, carbon brush hole 372 is located at the outside of conductive hole 371.Conductive hole 371 in each standing groove 37 is in lower rotary shaft 3 The distance of the heart is identical.Principle of the invention is to contact to realize using the longevity with the diverse location of facet by different carbon brush 13 The distance of carbon brush hole 372 inside the extension of life, therefore each standing groove 37 apart from the axle center of lower rotary shaft 3 is different.
Preferably, in order to prevent connection rotating shaft connecting rod 5 when exert oneself it is excessive cause support bar 24 to deform upon, support The bottom of groove 36 is provided with elastomeric pad.
Conventionally, as carbon brush 13 needs also exist for being slidably connected with the electrical connection of power output end, to understand Certainly this problem is provided with conductive plate 38 in the bottom of lower inlaying grafting part 32.Conductive plate 38 is toroidal, as shown in figure 5, in order to It is four parts to solve the problems, such as the fixation of conductive plate 38, electrical connection and insulate 38 points of conductive plate:Fixed disk 381, insulation Disk 382, conducting ring 383 and pillar 384.The medial surface of fixed disk 381 is connected with the outside of lower inlaying grafting part 32 by bearing.It is fixed The bottom of disk 381 has been provided with least two pillars 384.Pillar 384 is disposed vertically, and upper end is fixed with the bottom of fixed disk 381 and connected Connect, lower end is fixedly connected with the bottom of housing.As its name suggests, insulating disc 382 is adopted and is made from an insulative material, and insulating disc 382 is located at The top of fixed disk 381 and it is fixedly connected.For the ease of the installation of conducting ring 383, annular is opened up on the top of insulating disc 382 Groove, conducting ring 383 is embedded in the inside grooves of insulating disc 382.The ring segment that conducting ring 383 is made for conductive material, it is conductive The upper plane of the slightly protruding insulating disc 382 of ring 383.Due to fixed disk 381 by pillar 384 be fixed on housing bottom and Fixed disk 381 has certain height, therefore fixed disk 381 also has the effect of fixed lower rotary shaft 3.
Lower rotary shaft 3 is provided with lower axle connecting hole 35, therefore upper rotating shaft 2 is corresponding is provided with axle connecting hole 25.In upper shaft The center on 21 top is provided with the circular trough perpendicular to upper table downwards, and having opened up axle in the bottom centre position of circular trough connects Connect hole 25.Upper axle connecting hole 25 is used for realizing the connection and fixation with lower rotary shaft 3.Realize the contact good with lower rotary shaft 3 and Upper rotating shaft 2 has been done following improvement by transmission.In order to realize the grafting with lower inlaying grafting part 32, upper Plug Division 22 is section and inserting groove The regular polygon that 33 sections match.The embodiment cross-sectional profile is square.In order to realize the selection of different carbon brush 13, Depression bar 23 is provided with one of side of upper Plug Division 2, support bar 24 is provided with remaining side.Depression bar 23 and support Bar 24 is rectangular strip, and length direction perpendicular to the side of upper Plug Division 22.
Support bar 24 is used for the frame of upper rotating shaft 2 on the top of lower rotary shaft 3 to prevent depression bar 23 to the excessive compression of support 4.Cause The width of this support bar 24 should be less than the width of support slot 36 and more than the width of standing groove 37.Depression bar 23 is used for inserting putting Put and be used to press the support 4 for being provided with carbon brush 13 inside groove 37, thus depression bar 23 width of the width less than standing groove 37.Due to Support 4 with certain length, therefore in order to ensure moving down for the entirety of support 4, the length of depression bar 23 and the length of fixed seat 34 Degree is identical.It is corresponding with the position of pointer 12 the need for due to the position of carbon brush 13 just to can guarantee that the correctly display magnitude of voltage of pointer 12, Therefore depression bar 23 and pointer 12 are located on same vertical plane, and positioned at the bottom of the place plane of support bar 24.Pointer 12 is located at The top of upper rotating shaft 2 and it is fixedly connected with upper rotating shaft 2.Now, carbon brush 13, depression bar 23, pointer 12 are just in same vertical In plane.
Preferably, in order to prevent support bar 24 in the inside shaking of support slot 36, support bar 24 distal end it is perpendicular Nogata to both sides be provided with arc spring lamination.
Support 4 is not only used to install the running orbit that carbon brush 13 also needs to limit carbon brush 13, therefore the length of support 4 is more than The length of the inner distance lower rotary shaft 3 of positive stop 18.Insertion standing groove 37 and the contact stable with depression bar 23 for convenience, Support 4 is designed as rectangular strip.In order to install carbon brush 13 and guide on conductive plate 38 power supply of carbon brush 13, in support 4 Bottom is provided with conductive link 41, carbon brush connecting rod 42 and compression spring 43.
Conductive hole 371 is passed through for the ease of conductive link 41, conductive link 41 is the shape phase of cross section and conductive hole 371 The cylinder of matching.Conductive link 41 is perpendicular to the lower surface of support 4 and the base plane of standing groove 37, the upper end of conductive link 41 It is fixedly connected with support 4, lower end is connected through conductive hole 371 with carbon brush 13.For the ease of the installation of carbon brush 13, in conductive link 41 bottom is provided with perpendicular to the upward groove of base plane, and carbon brush 13 is installed in a groove.The carbon being connected with conductive link 41 Brush 13 is to the electrical connection with the realization slip of conducting ring 383.
Carbon brush hole 372 is passed through for the ease of carbon brush connecting rod 42, carbon brush connecting rod 42 is the shape phase of cross section and carbon brush hole 372 The cylinder of matching.Carbon brush connecting rod 42 is perpendicular to the lower surface of support 4 and the base plane of standing groove 37, the upper end of carbon brush connecting rod 42 It is fixedly connected with support 4, lower end is connected through carbon brush hole 372 with carbon brush 13.For the ease of the installation of carbon brush 13, in carbon brush connecting rod 42 bottom is provided with perpendicular to the upward groove of base plane, and carbon brush 13 is installed in a groove.The carbon being connected with carbon brush connecting rod 42 Brush 13 is to the electrical connection with facet realization slip.
Compression spring 43 is used to supporting support 4, to ensure that the carbon brush 13 when not selected of support 4 is not contacted simultaneously with facet And ensure that support 4 is concordant with the bottom of support slot 36.Compression spring 43 is set in conductive link 41 and carbon for the ease of installing On brush connecting rod 42, and the upper end of compression spring 43 is fixedly connected with support 4, and lower end abuts with the bottom of standing groove 37.
Preferably, in order to adapt to the requirement of high current, the bottom of a support 4 is provided with two carbon brush connecting rods wherein 42, a carbon brush 13 is respectively installed in two lower ends of carbon brush connecting rod 42.Depression bar 23 can be adjusted to installation two when loading larger Increasing the load-carrying ability of pressure regulator in the standing groove 37 of the support 4 of individual carbon brush 13.It is corresponding, set in the bottom of standing groove 37 There are two carbon brush grooves 372.
When upper and lower rotating shaft 2,3 is not connected, i.e., non-selected any one carbon brush 13 when, in order to realize positive stop The effect of the 18 restriction running orbit of carbon brush 13, the lower surface of carbon brush 13 is more than to the vertical range of the upper surface of coil windings 17 Vertical range of the lower surface of support 4 to the upper surface of positive stop 18.
After upper and lower rotating shaft 2,3 is connected, depression bar 23 presses down on one of support 4, on the carbon brush connecting rod 42 of support 4 The carbon brush 13 of installation is contacted with facet, realizes the electrical connection of carbon brush 13 and coil windings 17.Simultaneously on conductive link 41 Carbon brush 13 be electrically connected with conductive plate 38.Carbon brush 13 on conductive link 41 and carbon brush connecting rod 42 is electrically connected by wire. Conducting ring 383 on conductive plate 38 causes power output end by wire, and the wire for connecting conducting ring 383 and power output end is worn The center of overcurrent transformer.The lead end of current transformer is electrically connected with controller 6.
In order to realize the firm connection of upper and lower rotating shaft 2,3, the length of rotating shaft connecting rod 5 is upper more than upper axle connecting hole 25 Hold the distance of the lower end of lower axle connecting hole 35.In order to prevent the slippage of rotating shaft connecting rod 5, it is provided with the upper end of rotating shaft connecting rod 5 Block.It is provided with and the screw thread matched in lower axle connecting hole 35 in the bottom of rotating shaft connecting rod 5 in order to be able to make connection firm.Rotating shaft connecting rod 5 tops pass through upper axle connecting hole 25 and inserting groove 33, and bottom is spirally connected with lower axle connecting hole 35.
Preferably, for the ease of preferably extracting rotating shaft connecting rod 5 when depression bar 23 is changed and can flexibly rotate, The upper end of the inside of lower axle connecting hole 35 is provided with one section of screw thread.The corresponding bottom in rotating shaft connecting rod 5 is provided with one section of screw thread.Rotating shaft Screw thread on connecting rod 5 meets and requires:When upper and lower rotating shaft 2,3 is connected, the centre of the screw thread of the bottom of rotating shaft connecting rod 5 is located at The exit on the top of lower axle connecting hole 35.
Preferably, rotating shaft connecting rod 5 is connected with being spirally connected for lower axle connecting hole 35 for convenience, is set on the top of rotating shaft connecting rod 5 There are the cylinder or groove of regular hexagon.So that sleeve or hex tool can be used when rotating shaft connecting rod 5.
Preferably, in order to prevent rotating shaft connecting rod 5 from deviating from lower axle connecting hole 35, while the installation of rotating shaft connecting rod 5 is not disturbed, The bottom centre of rotating shaft connecting rod 5 is provided with perpendicular to the upward screw in bottom surface, and the inside of screw is mounted with screw rod.It is anti-in order to reach The abjection lower axle of rotation stop axle connecting rod 5 connecting hole 35, the aperture of the external diameter more than lower axle connecting hole 35 of the end of screw rod.
A kind of method of the carbon brush switching of pressure regulator of balance abrasion is comprised the following steps:
Step 1, zero graduation is rotated to by the pointer 12 of pressure regulator.The operation is used to be positioned with convenient to fixed seat 34 Upper rotating shaft 2 carries out selecting the support 4 in fixed seat 34;
Step 2, rotating shaft connecting rod 5 makes it depart from lower rotary shaft 3.Rotating shaft connecting rod 5 makes it be released with lower rotary shaft 3 Be spirally connected connection, the extraction of rotating shaft 2 in convenience;
Step 3, upper rotating shaft 2 is pulled out from lower rotary shaft 3, upper rotating shaft 2 upper Plug Division 22 extract inserting groove 33 after on Rotating shaft 2 can both depart from lower rotary shaft 3 and rotate alone, shift to separately depression bar 23 by now upper rotating shaft 2 is rotated a certain angle Inside one standing groove 37, the angle of rotation is determined by the number of support 4, specially 360 ° of numbers divided by support 4;
Step 4, determines rotating shaft connecting rod 5 and lower rotary shaft 3 to be spirally connected to be connected behind position to make upper and lower rotating shaft 2,3 connect into one It is overall.
As shown in fig. 6, a kind of carbon brush switching method of discrimination of pressure regulator of balance abrasion is comprised the following steps:
Step 1, controller 6 gathers the size of current for flowing through carbon brush 13 by current transformer;
Step 2, controller 6 selects the coefficient of waste according to the size of current for flowing through carbon brush 13;
Step 3, controller 6 calculates wear intensity,Wherein H is wear intensity, and I is output current, and Li is Coefficient of waste when electric current is I, Tn is time span when electric current is I;
Step 4, after wear intensity reaches setting value, controller 6 starts switching indicator lamp and lights, and points out switching carbon brush 13;
Step 5, wear intensity is zeroed after carbon brush 13 switches, and recalculates.Above step is repeated after wear intensity zero.
In sum, only presently preferred embodiments of the present invention, not for limiting the scope of the present invention, by above-mentioned Description, relevant staff can carry out various change without departing from the scope of the technological thought of the present invention' completely More and modification.Technical scope of the invention is not limited to the content on specification, all claimed range institutes under this invention Shape, construction, feature and the spiritual so-called impartial change stated and modification, all should include and scope of the presently claimed invention It is interior.

Claims (9)

1. a kind of pressure regulator of balance abrasion, including, housing, pointer (12), dial, carbon brush (13), central rotating shaft, wiring face Plate, annular core and around the coil windings (17) for being provided with facet on its surface, coil windings (17) head and the tail two ends are drawn Positive stop (18) is provided between outlet, it is characterised in that:
The central rotating shaft includes upper rotating shaft (2), lower rotary shaft (3) and rotating shaft connecting rod (5), and the upper rotating shaft (2) includes upper rotating shaft Portion (21) and upper Plug Division (22), on the top of upper Plug Division (22), the patch panel is provided with control to upper shaft (21) Device (6), current transformer,
The lower rotary shaft (3) includes lower rotary shaft portion (31) and (32) two parts of lower inlaying grafting part, and lower inlaying grafting part (32) is positioned at lower turn The top of axle portion (31), the lower rotary shaft portion (31) is pipe, and the lower end of lower rotary shaft portion (31) is arranged on the base of housing bottom On, upper shaft (21) and lower inlaying grafting part (32) be with lower rotary shaft portion (31) external diameter identical cylinder,
The center of the lower inlaying grafting part (32) is provided with inserting groove (33), and outside is provided with a conductive plate (38) and portion disposed thereon Fixed seat (34), fixed seat (34) at least two is provided with support (4), the inserting groove inside each fixed seat (34) (33) it is the regular polygon groove that is opened up vertically downward in the upper surface of lower inlaying grafting part (32), the bottom of inserting groove (33) is provided with down Axle connecting hole (35), the tube chamber of lower axle connecting hole (35) insertion to lower rotary shaft portion (31), the inside of lower axle connecting hole (35) It is provided with screw thread,
The fixed seat (34) is rectangular slat, the length of fixed seat (34) less than positive stop (18) to central rotating shaft away from From fixed seat (34) is provided with support slot (36), support slot (36) perpendicular to the side of inserting groove (33), the top of fixed seat (34) Bottom be provided with standing groove (37), the support slot (36) and standing groove (37) are connection inserting groove (33) remote with fixed seat (34) The rectangular channel of the both ends open of end side surface, the width of the width less than support slot (36) of standing groove (37),
The bottom of the standing groove (37) is provided with conductive hole (371) and carbon brush hole (372), and the conductive hole (371) is near rotating shaft Center, conductive hole (371) position of the carbon brush hole (372) on the outside of conductive hole (371), each standing groove (37) away from It is identical with a distance from lower rotary shaft (3), each not phase of distance of carbon brush hole (372) on each standing groove (37) apart from lower rotary shaft (3) Together,
The conductive plate (38) is toroidal, including fixed disk (381), insulating disc (382), conducting ring (383) and pillar (384), fixed disk (381) medial surface is connected with lower inlaying grafting part (32) outside by bearing, and fixed disk (381) bottom is provided with least Two pillars (384), the pillar (384) is vertically installed in fixed disk (381) and the bottom of housing between, pillar (384) Upper end is fixedly connected with fixed disk (381), and lower end is fixedly connected with the bottom of housing, and insulating disc (382) uses insulating materials system Into insulating disc (382) is positioned at the top of fixed disk (381) and is fixedly connected, and the top of insulating disc (382) is provided with the recessed of annular Groove, conducting ring (383) is embedded in the inside grooves of insulating disc (382), conducting ring (383) slightly protruding insulating disc (382) it is upper Facial planes,
The upper surface middle part of the upper shaft (21) is provided with circular trough vertically downward, and the bottom surface of circular trough is provided with axle connection Hole (25), the upper Plug Division (22) is the regular polygon cylinder matched with inserting groove (33), upper Plug Division (22) one of them Side is provided with depression bar (23), and remaining side is provided with support bar (24), depression bar (23) and support bar (24) be rectangular strip and Perpendicular to the side of upper Plug Division (22),
The width of the support bar (24) is less than the width of support slot (36) and more than the width of standing groove (37), all support bars (24) in same level,
The length of the depression bar (23) is identical with the length of standing groove (37), and width is less than the width of standing groove (37), depression bar (23) positioned at the bottom of horizontal plane where support bar (24), and and the pointer (12) on rotating shaft (2) top is fixed in same On one perpendicular,
The support (4) is rectangular strip, and its length is more than positive stop (18) to the distance of lower rotary shaft (3), the upper table of support (4) Face is concordant with the bottom of support slot (36), and the bottom of support (4) is provided with conductive link (41), carbon brush connecting rod (42) and is sheathed on Compression spring (43) on conductive link (41), carbon brush connecting rod (42), compression spring (43) upper end is fixedly connected with support (4),
Under the cylinder that the conductive link (41) matches for cross sectional shape with conductive hole (371), conductive link (41) and support (4) Surface is vertical and is fixedly connected, and the bottom of conductive link (41) is provided with perpendicular to the upward groove in bottom surface, and groove is used to install carbon Brush (13),
Under the cylinder that the carbon brush connecting rod (42) matches for cross sectional shape with carbon brush hole (372), carbon brush connecting rod (42) and support (4) Surface is vertical and is fixedly connected, and the bottom of carbon brush connecting rod (42) is provided with perpendicular to the upward groove in bottom surface, and groove is used to install carbon Brush (13),
When upper and lower rotating shaft (2,3) is not connected with, the lower surface of carbon brush (13) is more than to the vertical range of coil windings (17) upper surface Support (4) lower surface to positive stop (18) upper surface vertical range,
After upper and lower rotating shaft (2,3) connection, depression bar (23) pushes one of support (4), the carbon brush connecting rod of the support (4) (42) carbon brush (13) on is electrically connected with facet, and the carbon brush on conductive link (42) is electrically connected with conducting ring (383), leads Two carbon brush (13) electrical connection being electrically connected on bar (41) and carbon brush connecting rod (42), conducting ring (383) is electric with power output end The wire of connection, connection conducting ring (383) and power output end passes through the center of current transformer, the output end of current transformer With controller (6) electrical connection, controller (6) to judge the degree of wear of carbon brush (13) according to the size of output current,
Rotating shaft connecting rod (5) length is more than upper axle connecting hole (25) upper end to the distance of lower axle connecting hole (35) lower end, rotating shaft Connecting rod (5) is provided with block, and bottom is provided with screw thread, and rotating shaft connecting rod (5) top passes through upper axle connecting hole (25), and bottom connects with lower axle Hole (35) is connect to be spirally connected.
2. the pressure regulator of a kind of balance abrasion according to claim 1, it is characterised in that:
The upper end of the inside of the lower axle connecting hole (35) is provided with one section of screw thread, and corresponding rotating shaft connecting rod (5) bottom is provided with one section Screw thread, one section of reach on the rotating shaft connecting rod (5) is identical with the screw thread that lower axle connecting hole (35) is internal, its position relationship For:When upper and lower rotating shaft (2,3) is connected, the top of middle correspondence lower axle connecting hole (35) of the screw thread on rotating shaft connecting rod (5).
3. the pressure regulator of a kind of balance abrasion according to claim 1, it is characterised in that:
The both sides of described support bar (24) one end are provided with arc spring lamination, are used to prevent support bar (24) from being shaken inside support slot (36) It is dynamic.
4. the pressure regulator of a kind of balance abrasion according to claim 1, it is characterised in that:
The top of the rotating shaft connecting rod (5) is provided with the cylinder or regular hexagon groove of regular hexagon, is used to use spanner or sleeve Operated.
5. the pressure regulator of a kind of balance abrasion according to claim 1, it is characterised in that:
The support (4) is provided with two carbon brush connecting rods (42), and a carbon brush (13) is respectively installed in two carbon brush connecting rod (42) lower ends, right Answer, two carbon brush holes (372) are provided with the bottom of standing groove (37).
6. the pressure regulator of a kind of balance abrasion according to claim 1, it is characterised in that:
Rotating shaft connecting rod (5) bottom centre is provided with upward screw, and screw rod is provided with screw, and the termination external diameter of the screw rod is big In the aperture of lower axle connecting hole (35), it is used to prevent rotating shaft connecting rod (5) from extracting lower axle connecting hole (35) out.
7. the pressure regulator of a kind of balance abrasion according to claim 1, it is characterised in that:
The bottom of the support slot (36) is provided with elastomeric pad.
8. a kind of method of the carbon brush switching of the pressure regulator of balance abrasion according to claim 1 is comprised the following steps:
Step 1, zero graduation is rotated to by the pointer (12) of pressure regulator;
Step 2, rotating shaft connecting rod (5) makes it depart from lower rotary shaft (3),
Step 3, upper rotating shaft (2) is pulled out from the inserting groove (33) of lower rotary shaft (3), and upper rotating shaft (2) is rotated a certain angle, Depression bar (23) is shifted into another standing groove (37) inside, the angle of rotation is 360 ° of quantity divided by support (4);
Step 4, determines rotating shaft connecting rod (5) to be spirally connected with lower rotary shaft (3) behind position to be connected, and upper and lower rotating shaft (2,3) is connected into one Individual entirety.
9. method for distinguishing is sentenced in a kind of carbon brush switching of the pressure regulator of balance abrasion according to claim 1 includes following step Suddenly:
Step 1, controller (6) gathers the size of current for flowing through carbon brush (13) by current transformer;
Step 2, controller (6) selects the coefficient of waste according to the size of current for flowing through carbon brush (13);
Step 3, controller (6) calculates wear intensity,Wherein H is wear intensity, and I is output current, and Li is electricity Coefficient of waste during for I is flowed, Tn is time span when electric current is I;
Step 4, after wear intensity reaches setting value, controller (6) starts switching indicator lamp and lights, and points out switching carbon brush;
Step 5, wear intensity zero after carbon brush (13) switching, and recalculate.
CN201710172323.2A 2017-03-22 2017-03-22 Pressure regulator and carbon brush switching method, the switching method of discrimination of a kind of balance abrasion Expired - Fee Related CN106847488B (en)

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CN107424807A (en) * 2017-08-17 2017-12-01 周海燕 A kind of adjusting method of the adjustable auto-transformer of automatic locking carbon brush arm lengths
CN107689288A (en) * 2017-08-17 2018-02-13 周海燕 A kind of adjustable auto-transformer of automatic locking carbon brush arm lengths
CN107705973A (en) * 2017-10-26 2018-02-16 夏丰收 A kind of pressure regulation method of automatic coupling voltage regulator
CN108711498A (en) * 2017-08-17 2018-10-26 周瑞军 A kind of adjusting method of the flexible adjustable auto-transformer of damping of carbon brush body
CN110931234A (en) * 2019-12-17 2020-03-27 淄博职业学院 Pressure regulating device with prolonged service life
CN110994316A (en) * 2019-12-17 2020-04-10 淄博职业学院 Automatic switching type electric carbon brush and using method thereof
CN111009794A (en) * 2019-12-17 2020-04-14 淄博职业学院 Electric shock device with variable track
CN111326332A (en) * 2019-12-17 2020-06-23 淄博职业学院 Self-coupling voltage regulator capable of being used in partition mode
CN114496474A (en) * 2022-02-14 2022-05-13 衢州三源汇能电子有限公司 High-safety environment-friendly energy-saving voltage stabilizer

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107424807A (en) * 2017-08-17 2017-12-01 周海燕 A kind of adjusting method of the adjustable auto-transformer of automatic locking carbon brush arm lengths
CN107689288A (en) * 2017-08-17 2018-02-13 周海燕 A kind of adjustable auto-transformer of automatic locking carbon brush arm lengths
CN107689288B (en) * 2017-08-17 2018-08-07 新昌县雷凯科技有限公司 A kind of adjustable auto-transformer of automatic locking carbon brush arm lengths
CN108711498A (en) * 2017-08-17 2018-10-26 周瑞军 A kind of adjusting method of the flexible adjustable auto-transformer of damping of carbon brush body
CN107705973A (en) * 2017-10-26 2018-02-16 夏丰收 A kind of pressure regulation method of automatic coupling voltage regulator
CN110931234A (en) * 2019-12-17 2020-03-27 淄博职业学院 Pressure regulating device with prolonged service life
CN110994316A (en) * 2019-12-17 2020-04-10 淄博职业学院 Automatic switching type electric carbon brush and using method thereof
CN111009794A (en) * 2019-12-17 2020-04-14 淄博职业学院 Electric shock device with variable track
CN111326332A (en) * 2019-12-17 2020-06-23 淄博职业学院 Self-coupling voltage regulator capable of being used in partition mode
CN114496474A (en) * 2022-02-14 2022-05-13 衢州三源汇能电子有限公司 High-safety environment-friendly energy-saving voltage stabilizer

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