CN203270067U - Heavy current step-by-step transfer switch for aluminium electrolysis cell - Google Patents
Heavy current step-by-step transfer switch for aluminium electrolysis cell Download PDFInfo
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- CN203270067U CN203270067U CN 201320222959 CN201320222959U CN203270067U CN 203270067 U CN203270067 U CN 203270067U CN 201320222959 CN201320222959 CN 201320222959 CN 201320222959 U CN201320222959 U CN 201320222959U CN 203270067 U CN203270067 U CN 203270067U
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- web plate
- contact web
- lower contact
- switch
- plate
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Abstract
The utility model relates to a device which needs to transfer current on one device step by step to achieve current connection or current disconnection under the condition that a system is not powered off or does not reduce the current in a direct heavy current series circuit system, and in particular relates to a heavy current step-by-step transfer switch for an aluminium electrolysis cell. The transfer switch comprises support plates, a sealing shield plate, switch upper/lower contact connecting plates, an insulating frame, an insulating moving compression connecting plate, a power movement mechanism and an insulating base, wherein the power movement mechanism and each switch control closure and separation between the switch upper/lower contact connecting plates through synchronous forward and reverse rotation of a motor. The heavy current step-by-step transfer switch is light, is safe and convenient to use, occupies small space and sites, works reliably, is lower in cost, is not affected by the magnetic field of the electrolysis cell when installed, and can determine the thickness, areas and materials of the switch upper/lower contact connecting plates according to the requirements of shunt current design.
Description
Technical field
The utility model relates to a kind of in D.C. high-current series circuit system, need to not cut off the power supply or fall under current conditions in system, electric current on a certain equipment is wherein shifted to realize step by step the device of galvanization or outage stream, particularly relate to a kind of aluminum electrolyzing cell used large electric current transfer switch step by step.
Background technology
An electrolysis series is in series by up to a hundred electrolyzers usually, series voltage is high, electric current is large, an electrolyzer is because of overhaul or other reason in series, when outage or energising, need to operate under serial power down mode, the series power failure not only causes the impact to power supply grid, simultaneously interference is also caused in the operation of electrolyzer, affect productive capacity, shorten the life-span of electrolyzer.
All the time; international and domestic aluminium industry member is being carried out the research and practice that stops groove and fluting of electrolyzer in electrolysis series total current situation always; main research has direct mechanical opening and closing device, fusible cut-out protector, adopts switch to carry out several modes such as short circuit at present; although all can realize in a sense to electrolyzer the fluting in serial total current situation or stop groove, all existing some problems.Therefore, the mode of existing turning on or off bath without power failure of electrobath system or not ideal enough.
Summary of the invention
The utility model is in order to overcome the deficiencies in the prior art, provide a kind of lightweight, safe and convenient to use, and the place that takes up room is little, reliable operation, cost are lower, the aluminum electrolyzing cell used large electric current transfer switch step by step that is not subjected to the electrolyzer influence of magnetic field is installed, and can determine according to the partial current design requirements thickness of the upper and lower contact web plate of switch, area and use material.
The technical solution of the utility model is:
a kind of aluminum electrolyzing cell used large electric current is transfer switch step by step, comprise back up pad, sealing cover plate, on switch, lower contact web plate, Insulating frame, mobile crimping plate insulate, power mobile mechanism, insulator foot, described power mobile mechanism is by on the synchronous rotating trip switch of motor, between lower contact web plate closed with contact, be fixed with respectively middle top rail back shaft and two middle bottom rail back shafts of two tape insulation layers between left support plate and middle back up pad, at least be provided with on pair of switches, lower contact web plate, the upper contact head web plate is fixed on Insulating frame, Insulating frame is fastened in the groove of the mobile crimping plate of insulation both sides by the insulating support rod that is fixed on one group of insulcrete both sides, lower contact web plate is fixed on the mobile crimping plate of insulation, and the upper end slip cap of the mobile crimping plate that insulate is contained in middle top rail back shaft, the lower end slip cap of mobile crimping plate of insulating is contained in middle bottom rail back shaft, between upper contact head web plate and the mobile crimping plate of insulation, on between lower contact web plate and the mobile crimping plate of adjacent insulation, be set with spring in the bottom rail back shaft, power mobile mechanism is fixed on the middle part sidewall of right support plate, the to-and-fro movement telescopic head of power mobile mechanism is fixedly connected with the force transmission rack that is fixed in the mobile crimping plate of insulation or Insulating frame middle position, right side wall upper end in middle back up pad is provided with a closed limit switch, the left side wall lower end of middle back up pad is provided with one and separates limit switch, on switch near power mobile mechanism, internal resistance after lower contact web plate closure is R ﹠lt, sub TranNum="67" ﹠gt, interior n ﹠lt, /sub ﹠gt, , and R ﹠lt, sub TranNum="68" ﹠gt, interior 1 ﹠lt, /sub ﹠gt, R ﹠lt, sub TranNum="69" ﹠gt, interior 2 ﹠lt, /sub ﹠gt, R ﹠lt, sub TranNum="70" ﹠gt, interior 3 ﹠lt, /sub ﹠gt, ... R ﹠lt, sub TranNum="71" ﹠gt, interior n ﹠lt, /sub ﹠gt, ,
Be Ln near the distance between the upper and lower contact web plate of two adjacent groups switch of power mobile mechanism, and L1<L2<L3<...<Ln, wherein n is natural number.
One-level: namely have the upper and lower contact web plate of pair of switches; Two-stage: namely have two and split the upper and lower contact web plate in pass; Three grades: namely have three and split the upper and lower contact web plate in pass; Level Four: namely have four and split the upper and lower contact web plate in pass; Pyatyi: namely have five and split the upper and lower contact web plate in pass; Six grades: namely have six and split the upper and lower contact web plate in pass, the profile of the mobile crimping plate of described insulation is similar to " work " character form structure.
The upper and lower contact web plate of switch is the upper and lower contact web plate of XY switch that matches each other, the upper and lower contact web plate of the broken-line type switch that two interactions are complementary, in the upper and lower contact web plate of the concave-convex curved surface switch that matches each other any one, and natural number n satisfies 1≤n≤12.
The upper and lower contact web plate of described XY switch is the triangle projective planum contact web plate that matches each other, or the polygon plane contact web plate for matching each other; The upper and lower contact web plate of the broken-line type switch that two interactions are complementary is the broken-line type contact web plate that two crossing two trilaterals with a common edge match each other, or for have a common edge the broken-line type contact web plate that matches each other of two tetragons, or be jagged contact web plate; Two concave-convex curved surface contact web plates that match each other are two arc surface formula contact web plates that match each other, and are perhaps two wavy contact web plates of coupling mutually.
Described power mobile mechanism is the electric transfer bar mechanism that servomotor and reciprocating push rod consist of; It is perhaps the pinion and rack that servomotor and gear, tooth bar consist of; Perhaps for to consist of electric worm-and-wheel gear by servomotor and worm gear, worm screw; It is perhaps the air pressure mechanism that is formed by air pump, gas-holder, conduit and piston; It is perhaps the hydraulic gear that is formed by oil pump, fuel reserve tank, conduit and piston.
Useful positively effect of the present utility model is:
A kind of aluminum electrolyzing cell used large electric current of the utility model step by step the mode of transfer switch by the upper and lower contact web plate of switch gradation closure large electric current is shifted step by step, realize not cutting off the power supply to maintenance or the replacement of aluminium cell, avoided electrolyzer to the impact of electrical network with to the damage of rectifier unit.
2. the utility model need not to install arcing contact, and the large electric current of electrolyzer generates heat to realize after by the upper and lower contact web plate of switch closure, and whole process is without spark phenomenon, and operational safety is reliable.
3. the utility model device all adopts antimagnetic material, installs and uses the impact that is not subjected to electrolyzer magnetic field, and simple in structure, lightweight, and the place that takes up room is less, and cost is lower.
Description of drawings
Fig. 1 is a kind of aluminum electrolyzing cell used large electric current of the utility model principle schematic of transfer switch step by step;
Fig. 2 is one of main TV structure schematic diagram of the present utility model;
Fig. 3 is the structure for amplifying schematic diagram of B part in Fig. 2;
Fig. 4 is the plan structure schematic diagram of Fig. 2;
Fig. 5 is the A-A sectional structure schematic diagram of Fig. 2;
Fig. 6 is two of main TV structure schematic diagram of the present utility model;
Fig. 7 is the plan structure schematic diagram of Fig. 6;
Fig. 8 be in the utility model Insulating frame and the insulation mobile crimping plate annexation main TV structure schematic diagram;
Fig. 9 be in the utility model Insulating frame and the insulation mobile crimping plate annexation the plan structure schematic diagram;
Figure 10 be in the utility model Insulating frame and the insulation mobile crimping plate annexation left TV structure schematic diagram;
Figure 11 is the main TV structure schematic diagram of Insulating frame in the utility model;
Figure 12 is the plan structure schematic diagram of Insulating frame in the utility model;
Figure 13 is the side-looking structural representation of Insulating frame in the utility model;
Figure 14 is the structural representation of the mobile crimping plate of insulation in the utility model;
Figure 15 is the position relationship schematic diagram of the upper and lower contact web plate of switch in the utility model;
Figure 16 is the utility model motor positive and inverse control principle schematic diagram;
Figure 17 is the structural representation of the upper and lower contact web plate of broken-line type switch;
Figure 18 is the structural representation of the upper and lower contact web plate of spination switch;
Figure 19 is the structural representation of the upper and lower contact web plate of wavy switch;
Figure 20 is the structural representation of the upper and lower contact web plate of arc surface formula switch.
Embodiment
referring to Fig. 1 ~ shown in Figure 20, the meaning 1 of number in the figure representative is electrolyzer, 2 is short-circuit opening, 3 is large electric current transfer device step by step, 4 is on switch, lower contact web plate, 5 is the left support plate, 6 is the upper contact head web plate, 6a is broken-line type upper contact head web plate, 6b is spination upper contact head web plate, 6c is wavy upper contact head web plate, 6d is arc surface formula upper contact head web plate, 7 is spring, 8 is Insulating frame, 8a is insulcrete, 8b is insulating support rod, 9 is lower contact web plate, 9a is contact web plate under broken-line type, 9b is contact web plate under spination, 9c is wavy lower contact web plate, 9d is contact web plate under the arc surface formula, 10 are the mobile crimping plate of insulation, 11 is insulator foot, 12 is electric push rod, 13 is middle horizontal fulcrum, 14 is switch upper contact head leading point, 15 is sealing cover plate, 16 is contact leading point under switch, 17 is bolt, 18 is insulating sleeve, 19 is plain washer, 20 is spring washer, 21 is nut, 22 is support platform, 23 is rack and pinion drive mechanism, 24 for separating limit switch, 25 is closed limit switch, 26 is middle back up pad, 27 is the right support plate.
embodiment 1: referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, shown in Figure 16, a kind of aluminum electrolyzing cell used large electric current is transfer switch step by step, comprise back up pad, sealing cover plate 15, on switch, lower contact web plate 4, Insulating frame 8, mobile crimping plate 10 insulate, electricity push rod 12, insulator foot 11, electricity push rod 12 is by on the synchronous rotating trip switch of motor, between lower contact web plate 4 closed with separate, be fixed with respectively middle top rail back shaft and two middle bottom rail back shafts of two tape insulation layers between left support plate 5 and middle back up pad 26, at least be provided with on pair of switches, lower contact web plate, upper contact head web plate 6 is fixed on Insulating frame 8, Insulating frame is fastened in the groove of the mobile crimping plate of insulation both sides by the insulating support rod 8b that is fixed on one group of insulcrete both sides, lower contact web plate 9 is fixed on the mobile crimping plate of insulation, and the upper end slip cap of the mobile crimping plate that insulate is contained in middle top rail back shaft 13, the lower end slip cap of mobile crimping plate of insulating is contained in middle bottom rail back shaft, between upper contact head web plate and the mobile crimping plate of insulation, on between lower contact web plate and the mobile crimping plate of adjacent insulation, be set with spring 7 in the bottom rail back shaft, electricity push rod 12 is fixedly mounted on the middle part sidewall of right support plate 27, the to-and-fro movement telescopic head of Electrohydraulic push rod is connected and fixed with the force transmission rack that is fixed in the mobile crimping plate of insulation or Insulating frame middle position, right side wall upper end in middle back up pad is provided with a closed limit switch 25, be provided with one in the left side wall lower end of middle back up pad and separate limit switch 24, on switch near power mobile mechanism, internal resistance after lower contact web plate closure is R ﹠lt, sub TranNum="105" ﹠gt, interior n ﹠lt, /sub ﹠gt, , and R ﹠lt, sub TranNum="106" ﹠gt, interior 1 ﹠lt, /sub ﹠gt, R ﹠lt, sub TranNum="107" ﹠gt, interior 2 ﹠lt, /sub ﹠gt, R ﹠lt, sub TranNum="108" ﹠gt, interior 3 ﹠lt, /sub ﹠gt, ... R ﹠lt, sub TranNum="109" ﹠gt, interior n ﹠lt, /sub ﹠gt, ,
Be Ln near the distance between the upper and lower contact web plate of two adjacent groups switch of power mobile mechanism, and L1<L2<L3<...<Ln, wherein n is natural number, and n satisfies 1≤n≤12.
Large electric current is step by step in the transfer switch group, one-level: namely have the upper and lower contact web plate of pair of switches; Two-stage: namely have two and split the upper and lower contact web plate in pass; Three grades: namely have three and split the upper and lower contact web plate in pass; Level Four: namely have four and split the upper and lower contact web plate in pass; Pyatyi: namely have five and split the upper and lower contact web plate in pass; Six grades: namely have six and split the upper and lower contact web plate in pass, approximate " work " character form structure of profile of mobile crimping plate 10 insulate, its material is made with pure copper material, also can be nichrome, Aludirome, constantan, cupronickel, mauganin, aluminium, nickel etc.
As shown in figure 16, motor forward process is: press start button SB1, contactor KM coil electricity, the auxiliary normally opened contact KM1 of the KM in parallel with SB1 is closed, continues energising to guarantee the KM coil, and the main contact that is connected on KM in electric motor loop continues closed, contact KM10 in each electric motor loop in parallel, KM20, KM30, KMn0 is closed, the continuous forward running of each motor, the Electrohydraulic push rod action is after touching the combined floodgate limit switch, the motor outage, each contact continues closed; Umklapp process: press invert button SB2, contactor KM coil electricity, the auxiliary normally closed contact KM2 of KM switches on the KM coil continuously, the KM main contact that is connected in electric motor loop continues closed, contact KM1C in each electric motor loop in parallel, KM2C, KM3C, KMnC continues closed, the continuous antiport of each motor, electric push rod action is after touching the separating brake limit switch, motor outage, each contact continue to disconnect.
embodiment 2: referring to Fig. 1, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, shown in Figure 180, the same meaning of the representative that number in the figure is in the same manner as in Example 1, part in the same manner as in Example 1 no longer repeats, different is: described power mobile mechanism is rack and pinion drive mechanism 23, rack and pinion drive mechanism 23 is located on support platform 22, on switch, lower contact web plate be shaped as broken-line type switch upper contact head web plate 6a and the lower contact web plate 9a that two interactions are complementary, on the broken-line type switch that namely two interactions are complementary, lower contact web plate is the broken-line type contact web plate that two crossing two trilaterals with a common edge match each other, or for have a common edge the broken-line type contact web plate that matches each other of two tetragons, or be jagged upper contact head web plate 6b and jagged lower contact, web plate 9b.
Embodiment 3: part in the same manner as in Example 1 no longer repeats, and different is: described power mobile mechanism is for by servomotor and turbine, the electric turbine and worm mechanism that worm screw consists of.
Embodiment 4: part in the same manner as in Example 1 no longer repeats, and different is: the air pressure mechanism of described power mobile mechanism for being comprised of air pump, gas-holder and piston.
Embodiment 5: referring to Fig. 1, and Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, shown in Figure 19, the same meaning of the representative that number in the figure is in the same manner as in Example 1, part in the same manner as in Example 1 no longer repeats, and different is: be two wavy upper contact head web plate 6c and the wavy upper contact head web plate 9c of coupling mutually.
Embodiment 6: referring to Fig. 1, and Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, shown in Figure 20, the same meaning of the representative that number in the figure is in the same manner as in Example 1, part in the same manner as in Example 1 no longer repeats, different is: the upper and lower contact web plate of switch is the upper and lower contact web plate of concave-convex curved surface switch that matches each other, i.e. contact web plate 9d under two arc surface formula upper contact head web plate 6d that match each other and arc surface formula.
Claims (5)
1. aluminum electrolyzing cell used large electric current transfer switch step by step, comprise back up pad, sealing cover plate, on switch, lower contact web plate, Insulating frame, mobile crimping plate insulate, power mobile mechanism, insulator foot, described power mobile mechanism is by on the synchronous rotating trip switch of motor, between lower contact web plate closed with separate, it is characterized in that: middle top rail back shaft and two middle bottom rail back shafts of being fixed with respectively two tape insulation layers between left support plate and middle back up pad, at least be provided with on pair of switches, lower contact web plate, the upper contact head web plate is fixed on Insulating frame, Insulating frame is fastened in the groove of the mobile crimping plate of insulation both sides by the insulating support rod that is fixed on one group of insulcrete both sides, lower contact web plate is fixed on the mobile crimping plate of insulation, and the upper end slip cap of the mobile crimping plate that insulate is contained in middle top rail back shaft, the lower end slip cap of mobile crimping plate of insulating is contained in middle bottom rail back shaft, between upper contact head web plate and the mobile crimping plate of insulation, on between lower contact web plate and the mobile crimping plate of adjacent insulation, be set with spring in the bottom rail back shaft, power mobile mechanism is fixed on the middle part sidewall of right support plate, the to-and-fro movement telescopic head of power mobile mechanism is fixedly connected with the force transmission rack that is fixed in the mobile crimping plate of insulation or Insulating frame middle position, right side wall upper end in middle back up pad is provided with a closed limit switch, be provided with one in the left side wall lower end of middle back up pad and separate limit switch, on switch near power mobile mechanism, internal resistance after lower contact web plate closure is R ﹠lt, sub TranNum="121" ﹠gt, interior n ﹠lt, /sub ﹠gt, , and R ﹠lt, sub TranNum="122" ﹠gt, interior 1 ﹠lt, /sub ﹠gt, R ﹠lt, sub TranNum="123" ﹠gt, interior 2 ﹠lt, /sub ﹠gt, R ﹠lt, sub TranNum="124" ﹠gt, interior 3 ﹠lt, /sub ﹠gt, ... R ﹠lt, sub TranNum="125" ﹠gt, interior n ﹠lt, /sub ﹠gt, , be Ln near the distance between the upper and lower contact web plate of two adjacent groups switch of power mobile mechanism, and L1<L2<L3<...<Ln, wherein n is natural number.
2. large electric current according to claim 1 transfer switch step by step, is characterized in that: one-level: namely have the upper and lower contact web plate of pair of switches; Two-stage: namely have two and split the upper and lower contact web plate in pass; Three grades: namely have three and split the upper and lower contact web plate in pass; Level Four: namely have four and split the upper and lower contact web plate in pass; Pyatyi: namely have five and split the upper and lower contact web plate in pass; Six grades: namely have six and split the upper and lower contact web plate in pass, the profile of the mobile crimping plate of described insulation is similar to " work " character form structure.
3. large electric current according to claim 1 transfer switch step by step, it is characterized in that: the upper and lower contact web plate of switch is the upper and lower contact web plate of XY switch that matches each other, the upper and lower contact web plate of the broken-line type switch that two interactions are complementary, in the upper and lower contact web plate of the concave-convex curved surface switch that matches each other any one, and natural number n satisfies 1≤n≤12.
4. large electric current according to claim 3 transfer switch step by step, it is characterized in that: the upper and lower contact web plate of described XY switch is the triangle projective planum contact web plate that matches each other, or the polygon plane contact web plate for matching each other; The upper and lower contact web plate of the broken-line type switch that two interactions are complementary is the broken-line type contact web plate that two crossing two trilaterals with a common edge match each other, or for have a common edge the broken-line type contact web plate that matches each other of two tetragons, or be jagged contact web plate; Two concave-convex curved surface contact web plates that match each other are two arc surface formula contact web plates that match each other, and are perhaps two wavy contact web plates of coupling mutually.
5. large electric current according to claim 1 transfer switch step by step is characterized in that: described power mobile mechanism is the electric transfer bar mechanism that servomotor and reciprocating push rod consist of; It is perhaps the pinion and rack that servomotor and gear, tooth bar consist of; Perhaps for to consist of electric worm-and-wheel gear by servomotor and worm gear, worm screw; It is perhaps the air pressure mechanism that is formed by air pump, gas-holder, conduit and piston; It is perhaps the hydraulic gear that is formed by oil pump, fuel reserve tank, conduit and piston.
Priority Applications (1)
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CN 201320222959 CN203270067U (en) | 2013-04-27 | 2013-04-27 | Heavy current step-by-step transfer switch for aluminium electrolysis cell |
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CN 201320222959 CN203270067U (en) | 2013-04-27 | 2013-04-27 | Heavy current step-by-step transfer switch for aluminium electrolysis cell |
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CN 201320222959 Withdrawn - After Issue CN203270067U (en) | 2013-04-27 | 2013-04-27 | Heavy current step-by-step transfer switch for aluminium electrolysis cell |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103205779A (en) * | 2013-04-27 | 2013-07-17 | 郑州轻冶科技有限公司 | Large-current step-by-step transferring switch for aluminium electrolysis cell and step-by-step current transferring method |
-
2013
- 2013-04-27 CN CN 201320222959 patent/CN203270067U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103205779A (en) * | 2013-04-27 | 2013-07-17 | 郑州轻冶科技有限公司 | Large-current step-by-step transferring switch for aluminium electrolysis cell and step-by-step current transferring method |
CN103205779B (en) * | 2013-04-27 | 2015-07-29 | 郑州轻冶科技有限公司 | A kind of aluminum electrolyzing cell used big current transfer switch and electric current transfer method step by step step by step |
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Granted publication date: 20131106 Effective date of abandoning: 20150729 |
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