CN206272527U - A kind of skid regulated device assembling pole plate of super high power - Google Patents

A kind of skid regulated device assembling pole plate of super high power Download PDF

Info

Publication number
CN206272527U
CN206272527U CN201621145838.0U CN201621145838U CN206272527U CN 206272527 U CN206272527 U CN 206272527U CN 201621145838 U CN201621145838 U CN 201621145838U CN 206272527 U CN206272527 U CN 206272527U
Authority
CN
China
Prior art keywords
plate
electrode
electrode component
liquid case
electrolytic liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621145838.0U
Other languages
Chinese (zh)
Inventor
王海兵
宣伟民
李华俊
彭建飞
王小平
甘辉
赵世运
李明辉
袁学华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WANZHOU ELECTRICAL CO Ltd
Southwestern Institute of Physics
Original Assignee
WANZHOU ELECTRICAL CO Ltd
Southwestern Institute of Physics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WANZHOU ELECTRICAL CO Ltd, Southwestern Institute of Physics filed Critical WANZHOU ELECTRICAL CO Ltd
Priority to CN201621145838.0U priority Critical patent/CN206272527U/en
Application granted granted Critical
Publication of CN206272527U publication Critical patent/CN206272527U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Manufacture Of Motors, Generators (AREA)

Abstract

The utility model belongs to motor liquid soft start field, particularly belongs to the skid regulated device technical field of the vertical winding asynchronous motor of super high power, and in particular to a kind of skid regulated device assembling pole plate of super high power;Liquid resistance is filled in insulation electrolytic liquid case, fixed electrode component is arranged in insulation electrolytic liquid case near bottom position, moving electrode component is arranged on directly over fixed electrode component, external driver device can drive moving electrode component to be moved up and down in insulation electrolytic liquid case, and can move downwardly to coordinate tactile with fixed electrode attached components.The decline process of moving electrode component:Motor stator electric current as moving electrode component decrease speed basis for estimation, current differential is bigger, and decrease speed is faster;Current differential is stator current actual value and stator current setting value difference;Uphill process:Before motor electric discharge, lifting moving electrode component to pre-determined bit, to avoid motor to the dash current of power network;Pre-determined bit setting is generally determined according to due to the caused motor speed fall of motor electric discharge.

Description

A kind of skid regulated device assembling pole plate of super high power
Technical field
The invention belongs to motor liquid soft start field, particularly belong to the vertical winding asynchronous motor slippage of super high power and adjust A kind of section device technical field, and in particular to skid regulated device assembling pole plate of super high power.
Background technology
The usual use when starting of traditional big-and-middle-sized wire wound asynchronous motor seals in skid regulated device and is started.
Slippage product drives transmission mechanism to realize moving by driving motor in use, adjust automatically resistance between fixed plate Value, makes the resistance be from large to small finally zero, realizes motor without impact smooth starting.
Traditional big-and-middle-sized wound asynchronous motor general starting time only has tens seconds, no more than one minute, and electricity Machine is started and finishes rear supporting skid regulated device product by contactor or breaker disconnection, is not being used, and only needs next shutdown Start again afterwards and use.
Traditional slippage product pole plate is square structure, using being welded after being manufactured compared with copper sheet or assembled, is used It is accomplished by within several years changing afterwards;Secondly square pole plate be oriented in use simply, often pole plate extreme higher position with it is minimum Dislocation can be produced during position, influence is dynamic, the facing area of fixed plate, so as to influence pole plate current-carrying capacity;Tri-electrode is immersed in temperature Spending in electrolyte high can only allow the reduction of pole plate temperature with electrolyte natural cooling.
Traditional pole plate on super high power electric motor starting with cannot meet starting time (about 15 minutes) long, caloric value Greatly, guiding accuracy difference these requirements, cannot also meet starting, the electrolyte of continuous 40 times daily and continuously wash away pole plate and be not durable this One requires.
The content of the invention
For above-mentioned prior art, the present invention will provide a kind of super high power skid regulated device assembling pole plate, be used to solve Traditional pole plate on super high power electric motor starting with cannot meet the problem that the starting time is long, caloric value is big, guiding accuracy is poor.
In order to solve the above-mentioned technical problem, the skid regulated device assembling pole plate of a kind of super high power of the invention, including:Fixed electrode Component, moving electrode component and insulation electrolytic liquid case;
Liquid resistance is filled in insulation electrolytic liquid case, fixed electrode component is arranged in insulation electrolytic liquid case near bottom position Put, moving electrode component is arranged on directly over fixed electrode component, external driver device can drive moving electrode component in insulation electrolytic liquid Moved up and down in case, and coordinate tactile with fixed electrode attached components can be moved downwardly to.
Further, the decline process of moving electrode component:Motor stator electric current as moving electrode component decrease speed judgement Foundation, current differential is bigger, and decrease speed is faster;
Current differential is stator current actual value and stator current setting value difference;
The uphill process of moving electrode component:Before motor electric discharge, moving electrode component is lifted to pre-determined bit, to avoid motor pair The dash current of power network;
Pre-determined bit setting is generally determined according to due to the caused motor speed fall of motor electric discharge.
Further, the liquid resistance is the preferable electrolyte of electric conductivity, including ease of solubility salting liquid, or ease of solubility Weak caustic solution.
Further, the electrolyte is sodium bicarbonate solution, and sodium bicarbonate solution concentration influences the resistance value of liquid resistance, Concentration is bigger, and resistance is smaller;Sodium bicarbonate solution concentration is 1%-5%.
Further, the sodium bicarbonate solution concentration is 2%.
Further, described fixed electrode component and moving electrode component is processed by the good copper of electric conductivity, silver or golden material Form.
Further, the top edge of insulation electrolytic liquid case staving is provided with annular convex edge;
Insulation electrolytic liquid case bucket outer wall is provided with many vertical strengthening ribs;
The bottom of insulation electrolytic liquid case staving is provided with base plate, and staving and base plate form the cavity structure of bottom lock, bottom Polylith plate support is provided with plate, support member is arranged along staving radial direction, and discharge orifice is machined with support member end face, is propped up Limiting plate is provided with support member, limiting plate outer is connected with staving, and mounting hole is machined with the middle of limiting plate;
Edge is provided with circulation conduit on limiting plate, circulation conduit is extended up to outside staving;
Support member stretches out the mounting hole of limiting plate along staving radial direction;
Bottom base plate is provided with a plurality of support bar;
Insulation electrolytic liquid case inner space is divided into upper and lower two-layer cavity by limiting plate, and upper strata cavity is used to set moving electrode Component, fixed electrode component;
Circulating cooling electrolyte can be injected into lower floor's cavity by circulation conduit, then gradually pour in upper strata sky from lower floor's cavity Chamber from staving until overflow, and then take away the heat for being arranged on that upper strata cavity moving electrode component and fixed electrode component are produced.
Further, the fixed electrode component includes copper bar, fixed plate connector, fixed plate;Fixed plate middle setting has fixed Pole plate connector, is provided with copper bar on fixed plate connector, copper bar protrudes upward insulation electrolytic liquid case, is articulated in high-power vertical On winding asynchronous motor rotor extraction electrode;
Fixed plate is arranged in insulation electrolytic liquid case, is fixed on the mounting hole of processing in the middle of insulation electrolytic liquid case limiting plate It is interior;
Some through holes are machined with fixed plate end face, circulating cooling electrolyte passes through above-mentioned some through holes from lower floor's cavity, And then cool down fixed plate.
Further, the moving electrode component includes lifting arm, movable plate electrode connector, movable plate electrode;Movable plate electrode central aperture, moves Pole plate is provided with a movable plate electrode connector near edge symmetric position, and movable plate electrode connector is connected with lifting arm, and lifting arm is upward Insulation electrolytic liquid case is stretched out, mechanism is connected with external drive;
Some through holes are machined with movable plate electrode end face, external drive mechanism drives lifting arm to drive movable plate electrode to move up and down When, the electrolyte in insulation electrolytic liquid case by above-mentioned some through holes, and then can cool down movable plate electrode.
Further, the assembling pole plate also includes:Insulation tube;Insulation tube is processed by insulating materials;Side pressure under insulation tube Tightly in fixed plate centre position, and insulation electrolytic liquid case is protruded upward, copper bar, fixed plate connector are arranged in insulation tube;It is dynamic Pole plate is enclosed within insulation tube.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:
A kind of skid regulated device assembling pole plate of super high power of the present invention, improves rising for big-and-middle-sized wire wound asynchronous motor Dynamic performance, overcome that traditional skid regulated device starting current is big, caloric value is big, operation inconvenience, can not continuously start, guiding accuracy it is poor Etc. many deficiencies.
A kind of skid regulated device assembling pole plate of super high power of the present invention, movable plate electrode is enclosed within insulation tube, and insulation tube is on the one hand Guide effect can be provided for the up and down motion of movable plate electrode, meet movable plate electrode and moved downward by extreme higher position in insulation electrolytic liquid case To guiding demand with fixed plate mated position, and reduce because the impact of circular electrolyte and caused by movable plate electrode motion process In oscillation phenomenon, on the other hand can be that movable plate electrode and fixed plate provide alignment effect, it is ensured that movable plate electrode and fixed plate are all the time Facing area is maximum.
A kind of skid regulated device assembling pole plate of super high power of the present invention, simple structure is easy to operate, can meet and exceed The demand of the skid regulated device products of 10000KW.
Brief description of the drawings
Fig. 1 is circular dynamic, the fixed plate assembling front view of the embodiment of the present invention;
Fig. 2 is circular dynamic, the fixed plate assembling side elevation of the embodiment of the present invention;
Fig. 3 is circular dynamic, the fixed plate assembling plan view of the embodiment of the present invention;
In figure:01- fixed electrodes component, 02- moving electrodes component, 03- insulation electrolytic liquid cases;
1- insulation tubes, 2- copper bars, 3- lifting arms, 4- movable plate electrodes connector, 5- movable plate electrodes, 6- fixed plates connector, 7- are fixed Pole plate.
Specific embodiment
The present invention is elaborated with reference to the accompanying drawings and detailed description.
A kind of skid regulated device assembling pole plate of super high power of the present invention, including:Fixed electrode component 01, the and of moving electrode component 02 Insulation electrolytic liquid case 03;
Liquid resistance is filled in insulation electrolytic liquid case 03, fixed electrode component 01 is arranged in insulation electrolytic liquid case 03 bottom of near Portion position, moving electrode component 02 is arranged on directly over fixed electrode component 01, and external driver device can drive moving electrode component 02 to exist Moved up and down in insulation electrolytic liquid case 03, and the cooperation that is in contact with fixed electrode component 01 can be moved downwardly to;
Insulation electrolytic liquid case 03:It is most important functions to insulate, and its shell is processed for insulating materials, and sheathing material is preferred Polystyrene material;
The contour structures of insulation electrolytic liquid case 03 can be according to actually used selection, preferably drum shape structure;
Liquid resistance is the preferable electrolyte of electric conductivity, preferably ease of solubility salting liquid, or ease of solubility weak caustic solution;
Concentration of electrolyte should not be too high, easy appearance crystallization too high;
Electrolyte temperature should not be too high, and the too high electrochemical corrosion for causing electrode of temperature is than more serious, preferably temperature rise 40-50 Within DEG C;
The preferred sodium bicarbonate solution of ease of solubility weak caustic solution, sodium bicarbonate solution concentration influences the resistance value of liquid resistance, Concentration is bigger, and resistance is smaller;
It is preferred that sodium bicarbonate solution concentration is 1%-5%, preferably sodium bicarbonate solution concentration is 2%;
The distance between fixed electrode component 01 and moving electrode component 02 determine the resistance of the fluid resistance for introducing loop, preferably The distance between fixed electrode component 01 and moving electrode component 02 are less than 700cm;
Fixed electrode component 01 and moving electrode component 02 are processed by the good material of electric conductivity, preferred material be copper, The metal material that silver, gold etc. conduct electricity very well;
The skid regulated device assembling pole plate of the above-mentioned super high power of access that can be connected in big-and-middle-sized wound asynchronous motor rotor loop, Rotor loop one end connects fixed electrode component 01, other end connection moving electrode component 02 so that gone here and there in rotor loop Enter liquid resistance;
Liquid resistance is sealed in rotor loop, on the one hand can reduce the starting current of motor, on the other hand again can To increase the starting torque of motor;In motor start-up procedure, external driver device drives moving electrode component 02 in insulation electrolytic liquid Moved downward in case 03, the distance between adjustment fixed electrode component 01 and moving electrode component 02 so that seal in the liquid electric in loop The resistance of resistance is zero by big tapering into last, realizes motor without impact smooth starting;
The decline process of moving electrode component 02:Motor stator electric current as moving electrode component decrease speed basis for estimation, Current differential (stator current actual value and stator current setting value difference) is bigger, and decrease speed is faster;
The uphill process of moving electrode component 02:Before motor electric discharge, (pre-determined bit sets lifting moving electrode component 02 to pre-determined bit It is usual to determine according to due to the caused motor speed fall of motor electric discharge), to avoid impact of the motor to power network electric Stream;
To prevent mutually being discharged between multiphase electrode, the above-mentioned skid regulated device assembling pole plate of super high power only does single-phase series Use;It is for multiphase electrode, the skid regulated device assembling pole plate of above-mentioned super high power is used in parallel, such as three phase supply feelings Condition, three above-mentioned skid regulated device assembling pole plates of super high power are used in parallel.
Embodiment 1
As shown in figure 1, the top edge of the staving of insulation electrolytic liquid case 03 is provided with annular convex edge, setting convex edge can be square The lifting and support of chamber pot body;
The bucket outer wall of insulation electrolytic liquid case 03 is provided with many vertical strengthening ribs, can prevent the electrolyte that is held in staving because Temperature is too high and causes staving to deform;
The bottom of the staving of insulation electrolytic liquid case 03 is provided with base plate, and staving and base plate form the cavity structure of bottom lock, Polylith plate support is provided with base plate, support member is arranged along staving radial direction, and discharge orifice is machined with support member end face, Limiting plate is provided with support member, limiting plate outer is connected with staving, mounting hole is machined with the middle of limiting plate, hole shape is installed Can determine according to the shape for setting the fixed plate in this mounting hole, it is preferably circular;
Edge is provided with circulation conduit on limiting plate, circulation conduit is extended up to outside staving;
Support member stretches out the mounting hole of limiting plate along staving radial direction, and support is played to set the device in this mounting hole Effect, the support member being arranged on base plate is block;
Bottom base plate is provided with a plurality of support bar, and support bar can conveniently adjust the height of staving and reduce base plate and be filled with outside The contact surface put, can prevent situation about cannot adjust occur because installing part manufacturing issue;
Staving inner space is divided into upper and lower two-layer cavity by limiting plate, and upper strata cavity is used to set dynamic, fixed electrode component etc. Heat generating components;
Circulating cooling electrolyte can be injected into lower floor's cavity by circulation conduit, then gradually pour in upper strata sky from lower floor's cavity Chamber from staving until overflow, and then take away the heat for being arranged on upper strata cavity heat generating components generation;
As shown in Figure 1 to Figure 3, a kind of skid regulated device assembling pole plate of super high power of the invention, also includes:Copper bar 2, lifting Bar 3, movable plate electrode connector 4, movable plate electrode 5, fixed plate connector 6, fixed plate 7;
The fixed electrode component 01 includes copper bar 2, fixed plate connector 6, fixed plate 7;The middle setting of fixed plate 7 has determines pole Plate connector 6, is provided with copper bar 2 on fixed plate connector 6, copper bar 2 protrudes upward insulation electrolytic liquid case 03, is articulated in high-power On vertical winding asynchronous motor rotor extraction electrode;
Fixed plate 7 is arranged in insulation electrolytic liquid case 03, is fixed on the peace of processing in the middle of the limiting plate of insulation electrolytic liquid case 03 In dress hole;
Some through holes are machined with the end face of fixed plate 7, circulating cooling electrolyte passes through above-mentioned some through holes from lower floor's cavity, And then cool down fixed plate 7;
The moving electrode component 02 includes lifting arm 3, movable plate electrode connector 4, movable plate electrode 5;The central aperture of movable plate electrode 5, moves Pole plate 5 is provided with 2 movable plate electrode connectors 4 near edge symmetric position, and movable plate electrode connector 4 is connected with lifting arm 3, lifting arm 3 protrude upward insulation electrolytic liquid case 03, and mechanism is connected with external drive;
Some through holes are machined with the end face of movable plate electrode 5, external drive mechanism drives lifting arm 3 to drive movable plate electrode to be transported about 5 When dynamic, the electrolyte in insulation electrolytic liquid case 03 by above-mentioned some through holes, and then can cool down movable plate electrode 5;
Movable plate electrode 5 and fixed plate 7 are preferably disc-shaped structure;
As shown in Figure 1 to Figure 3, a kind of skid regulated device assembling pole plate of super high power of the invention, also includes:Insulation tube 1;Absolutely Edge pipe 1 is processed by insulating materials, preferred epoxy material;
The lower end of insulation tube 1 is pressed on the centre position of fixed plate 7, and protrudes upward insulation electrolytic liquid case 03, copper bar 2, determines pole Plate connector 6 is arranged in insulation tube 1;
Movable plate electrode 5 is enclosed within insulation tube 1, and the one side of insulation tube 1 can provide guide effect for the up and down motion of movable plate electrode 5, Movable plate electrode 5 is met in the interior guiding need moved downwardly to by extreme higher position with fixed plate mated position of insulation electrolytic liquid case 01 Ask, and reduce because of the impact of circular electrolyte and caused by oscillation phenomenon in the motion process of movable plate electrode 5, on the other hand can be Movable plate electrode 5 and fixed plate 7 provide alignment effect, it is ensured that facing area is maximum all the time for movable plate electrode 5 and fixed plate 7.

Claims (9)

1. a kind of skid regulated device of super high power assembles pole plate, it is characterised in that the assembling pole plate includes:It is fixed electrode component, dynamic Electrode assemblie and insulation electrolytic liquid case;
Liquid resistance is filled in insulation electrolytic liquid case, fixed electrode component is arranged in insulation electrolytic liquid case near bottom position, moves Electrode assemblie is arranged on directly over fixed electrode component, external driver device can drive moving electrode component in the insulation electrolytic liquid case on Lower motion, and coordinate tactile with fixed electrode attached components can be moved downwardly to.
2. a kind of skid regulated device of super high power according to claim 1 assembles pole plate, it is characterised in that the liquid electric It is the preferable electrolyte of electric conductivity to hinder, including ease of solubility salting liquid, or ease of solubility weak caustic solution.
3. a kind of skid regulated device of super high power according to claim 2 assembles pole plate, it is characterised in that the electrolyte It is sodium bicarbonate solution, sodium bicarbonate solution concentration influences the resistance value of liquid resistance, and concentration is bigger, and resistance is smaller;Bicarbonate Sodium solution concentration is 1%-5%.
4. a kind of skid regulated device of super high power according to claim 3 assembles pole plate, it is characterised in that the bicarbonate Sodium solution concentration is 2%.
5. a kind of skid regulated device of super high power according to claim 1 assembles pole plate, it is characterised in that described determines electricity Pole component and moving electrode component are processed by the good copper of electric conductivity, silver or golden material.
6. a kind of skid regulated device of super high power according to claim 1 assembles pole plate, it is characterised in that:
The top edge of insulation electrolytic liquid case staving is provided with annular convex edge;
Insulation electrolytic liquid case bucket outer wall is provided with many vertical strengthening ribs;
The bottom of insulation electrolytic liquid case staving is provided with base plate, and staving and base plate form the cavity structure of bottom lock, on base plate Polylith plate support is provided with, support member is arranged along staving radial direction, and discharge orifice, support member are machined with support member end face On be provided with limiting plate, limiting plate outer is connected with staving, and mounting hole is machined with the middle of limiting plate;
Edge is provided with circulation conduit on limiting plate, circulation conduit is extended up to outside staving;
Support member stretches out the mounting hole of limiting plate along staving radial direction;
Bottom base plate is provided with a plurality of support bar;
Insulation electrolytic liquid case inner space is divided into upper and lower two-layer cavity by limiting plate, upper strata cavity be used to setting moving electrode component, Fixed electrode component;
Circulating cooling electrolyte can be injected into lower floor's cavity by circulation conduit, then gradually to pour in upper strata cavity from lower floor's cavity straight Overflowed to from staving, and then take away the heat for being arranged on that upper strata cavity moving electrode component and fixed electrode component are produced.
7. a kind of skid regulated device of super high power according to claim 6 assembles pole plate, it is characterised in that:
The fixed electrode component includes copper bar, fixed plate connector, fixed plate;Fixed plate middle setting has fixed plate connector, Copper bar is provided with fixed plate connector, copper bar protrudes upward insulation electrolytic liquid case, is articulated in the winding asynchronous electricity of high-power vertical On motivation rotor extraction electrode;
Fixed plate is arranged in insulation electrolytic liquid case, is fixed in the middle of insulation electrolytic liquid case limiting plate in the mounting hole of processing;
Some through holes are machined with fixed plate end face, circulating cooling electrolyte passes through above-mentioned some through holes from lower floor's cavity, and then Cooling fixed plate.
8. a kind of skid regulated device of super high power according to claim 7 assembles pole plate, it is characterised in that:
The moving electrode component includes lifting arm, movable plate electrode connector, movable plate electrode;Movable plate electrode central aperture, movable plate electrode is near side Symmetric position is provided with a movable plate electrode connector, movable plate electrode connector is connected with lifting arm, and lifting arm protrudes upward insulated electro Solution liquid case, mechanism is connected with external drive;
Some through holes are machined with movable plate electrode end face, when external drive mechanism drives lifting arm to drive movable plate electrode to move up and down, absolutely Electrolyte in edge electrolyte tank by above-mentioned some through holes, and then can cool down movable plate electrode.
9. a kind of skid regulated device of super high power according to claim 8 assembles pole plate, it is characterised in that:The assembling pole plate Also include:Insulation tube;Insulation tube is processed by insulating materials;Insulation tube lower end is pressed on fixed plate centre position, and upwards Insulation electrolytic liquid case is stretched out, copper bar, fixed plate connector are arranged in insulation tube;Movable plate electrode is enclosed within insulation tube.
CN201621145838.0U 2016-10-21 2016-10-21 A kind of skid regulated device assembling pole plate of super high power Active CN206272527U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621145838.0U CN206272527U (en) 2016-10-21 2016-10-21 A kind of skid regulated device assembling pole plate of super high power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621145838.0U CN206272527U (en) 2016-10-21 2016-10-21 A kind of skid regulated device assembling pole plate of super high power

Publications (1)

Publication Number Publication Date
CN206272527U true CN206272527U (en) 2017-06-20

Family

ID=59037510

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621145838.0U Active CN206272527U (en) 2016-10-21 2016-10-21 A kind of skid regulated device assembling pole plate of super high power

Country Status (1)

Country Link
CN (1) CN206272527U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106374782A (en) * 2016-10-21 2017-02-01 核工业西南物理研究院 Assembly pole plate of super-power slip frequency regulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106374782A (en) * 2016-10-21 2017-02-01 核工业西南物理研究院 Assembly pole plate of super-power slip frequency regulator
CN106374782B (en) * 2016-10-21 2019-02-26 核工业西南物理研究院 A kind of skid regulated device assembly pole plate of super high power

Similar Documents

Publication Publication Date Title
CN206272527U (en) A kind of skid regulated device assembling pole plate of super high power
CN210925961U (en) High-power LED wire bonding machine
CN106374782B (en) A kind of skid regulated device assembly pole plate of super high power
CN206180905U (en) Insulating electrolyte tank of ultra -large -power slippage regulator
CN117398950B (en) Graphene preparation device
CN106411181B (en) A kind of skid regulated device insulation electrolytic liquid case of super high power
CN111969281A (en) Vertical rotary cooling system for lead-acid battery
CN106876520B (en) Control the device of silicon nanowires trend
CN114696502B (en) Self-cooling armature winding system
CN210772086U (en) Full-submerged electrode steam boiler with circulating device
CN208681922U (en) A kind of wood pulp sponge foaming device
CN209626054U (en) A kind of chemical conversion mechanism for capacitor guide pin
CN210341088U (en) Copper device is carried to circuit board brown ization waste liquid electrolysis
CN210826406U (en) Energy-saving and environment-friendly anodic oxidation device
CN209412335U (en) A kind of electroplanting device for electronic digital product casing
CN202081177U (en) Furnace starting device for preparing metal and alloy by adopting molten salt electrolysis method
CN207014651U (en) Modified polyamine fibre bar molding cycles cooling device
CN220797034U (en) Simple lithium battery liquid injection mechanism
CN109979754A (en) A kind of chemical conversion mechanism for capacitor guide pin
CN102957300B (en) Electromagnetic pump
CN2515867Y (en) Electric motor intelligent liquid soft starting control system
CN220057060U (en) Polar distance adjustable rare earth electrolysis equipment
CN216389505U (en) Efficient formation device for lead-acid battery for electric bicycle
CN219937512U (en) High-power anti-tripping graphite electrode joint
CN211936878U (en) Daily chemical grade silicone oil production equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant