CN101868911B - Operation controller for electric equipment - Google Patents
Operation controller for electric equipment Download PDFInfo
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- CN101868911B CN101868911B CN2007801000986A CN200780100098A CN101868911B CN 101868911 B CN101868911 B CN 101868911B CN 2007801000986 A CN2007801000986 A CN 2007801000986A CN 200780100098 A CN200780100098 A CN 200780100098A CN 101868911 B CN101868911 B CN 101868911B
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- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 description 25
- 230000033228 biological regulation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 206010034703 Perseveration Diseases 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Stopping Of Electric Motors (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Keying Circuit Devices (AREA)
Abstract
An operation controller for electric equipment excellent in operability without enlarging a hand-operated switch box. The operation controller operates and stops the electric equipment (10) through control circuits (21,22) by switch operation of the hand-operated switch box (30) and also opens an electromagnetic switch (12) by an open-operation of a normally closed contact (31b) of an emergency stop switch (31) inserted in series into an electromagnetic switch driving circuit (20). A normally open contact (31a) to be closed by an open-operation of the normally closed contact (31b) is provided on the emergency stop switch (31) of the switch box (30), and in addition, a power supply relay (25) having a self-maintaining circuit (27) to be activated with the normally open contact (31a) closed to self-maintain the operation is provided. A normally open contact (25a-2) of the relay (25) is inserted in series with the normally closed contact (31b) of the emergency stop switch (31) into the electromagnetic switch driving circuit (20).
Description
Technical field
The present invention relates to a kind of operation controller of electrical equipment, the operation controller of said electrical equipment through manual operation switch case (hand unit operation ス イ Star チ ボ Star Network ス) is carried out switching manipulation control up-down in electrical hoist, the bridge crane etc. with motor, traversing (walking crosswise) with the running of electrical equipments such as motor with stop.
Background technology
Operate the example of electrical equipment as the switching manipulation that utilizes the manual operation switch case, electrical hoist, bridge crane etc. are for example arranged.Fig. 1 representes the figure of the up-down of electric-driven chain block in the past with the circuit structure of the operation controller of motor.In Fig. 1, Reference numeral 10 is to go up and down to use induction motor, and Reference numeral 11 is brakes.Going up and down can be through electromagnetism shutter 12 and lifting with electromagnetism shutter 13 or hang down with electromagnetism shutter 14 with induction motor 10, obtains the supply of three-phase alternating current from power circuit 15, and this electromagnetism shutter 12 is used to open and close power supply.In addition, brake 11 can obtain the supply of direct current power through rectification circuit 16.
In the operation controller of above-mentioned up-down with motor; Pressing power connection with key switch 32; During its normal opened contact of closure 32a, drive current flows through the drive coil 12X of electromagnetism shutter 12, and is closed thereby electromagnetism shutter 12 moves; And it is closed that it often opens auxiliary contact 12a, and the closed action of self-sustaining (oneself keeps) electromagnetism shutter 12.Under this state, promote with key switch 33 if press; Its normal opened contact 33a is closed; Then drive current flows through the drive coil 13X that promotes with electromagnetism shutter 13; Promote with electromagnetism shutter 13 closures, thereby provide lifting to use driving electric with induction motor 10, make this up-down rotate (just changeing) to direction of improvement with induction motor 10 to going up and down.In addition; Hang down with key switch 34 if press; Its normal opened contact 34a is closed, and then drive current flows through the drive coil 14X that hangs down with electromagnetism shutter 14, hangs down with electromagnetism shutter 14 closures; Thereby providing to hang down with induction motor 10 to going up and down uses driving electric, makes this up-down rotate (counter-rotating) with induction motor 10 to hanging lower direction.
In the operation controller of above-mentioned up-down, when take place having a power failure, the supply of electric power of power circuit 15 is cut off with motor.When from have a power failure, recovering; Though promptly the stopping of manual operation switch case 30 is in closure state with the normally closed contact 31b of key switch 31; But because the auxiliary contact 12a that often opens of electromagnetism shutter 12 is in off-state, so drive current can not flow to drive coil 12X.Under this state; Promote with key switch 33 or hang down even press with key switch 34; Make drive current flow to promote or hang down drive coil 14X with electromagnetism shutter 14 with the drive coil 13X of electromagnetism shutter 13; But because electromagnetism shutter 12 is in off-state, even closure promotes with electromagnetism shutter 13 or hangs down with electromagnetism shutter 14, can not be to going up and down driving electric is provided with induction motor 10.
Under this state; If press power connection, make its normal opened contact 32a closed, as stated with key switch 32; Drive current flows to the drive coil 12X of electromagnetism shutter 12; Because electromagnetism shutter 12 is closed and its often to open auxiliary contact 12a closed, drive current through often open auxiliary contact 12a and promptly stop with the normally closed contact 31b of key switch 31 and continue to drive coil 12X mobile, and the closed action of self-sustaining electromagnetism shutter 12.Under this state; Promote with key switch 33 or hang down if press with key switch 34; Make drive current flow to promote or hang down drive coil 14X with electromagnetism shutter 14 with the drive coil 13X of electromagnetism shutter 13; Promote with electromagnetism shutter 13 or hang down, then provide lifting with electric power or hang down and use electric power with induction motor 10, thereby make it to direction of improvement or hang lower direction and rotate to up-down with electromagnetism shutter 14 closures.
In the operation controller of above-mentioned up-down with motor, when from have a power failure, recovering, go up and down can turn round with motor for making, be provided with power connection with key switch 32 at manual operation switch case 30.Because except this power connection promptly stops with key switch 31 in addition, promotes with key switch 33, hangs down with other key switch such as key switch 34 with key switch 32, so manual operation switch case 30 maximization that becomes, and operability is not high.In addition, when running well, press promptly stop with key switch 31 after, promptly stop also must to push the operation of power connection afterwards removing with key switch 32 with key switch 31 (resetting), become loaded down with trivial details thereby make to operate.In addition, promptly stop with key switch 31, under the situation of going up and down not move, press the key switch of manual operation switch case 30 because of carelessness,, have the possibility that has started equipment unintentionally as its result with induction motor 10 even removed.
Summary of the invention
The present invention puts in view of the above problems and makes, and its objective is to provide the manual operation switch case is maximized, and has the operation controller of the electrical equipment of good operability.
In order to solve above-mentioned problem, the operation controller of electrical equipment of the present invention has: electrical equipment; Power circuit provides driving electric to this electrical equipment; The electromagnetism shutter opens and closes this power circuit; Electromagnetism shutter drive circuit switches on or off the drive current to the drive coil of this electromagnetism shutter; And the manual operation switch case, have and promptly stop to use switch; The present invention is the operation controller of electrical equipment; It is through the switching manipulation to the manual operation switch case; Carry out the running of electrical equipment or stop via control circuit; And through carrying out opening operation in series inserting promptly stopping in the electromagnetism shutter drive circuit with the normally closed contact of switch, make the electromagnetism shutter become off-state, the operation controller of this electrical equipment is characterised in that; The manual operation switch case promptly stop with switch in be provided with normal opened contact; Opening operation through normally closed contact comes closed this normal opened contact, and is provided with power connection and uses relay, and this power connection moves through the closure of this normal opened contact with relay; And the self-hold circuit with this action of self-sustaining, the normal opened contact of this relay with promptly stop to insert in the electromagnetism shutter drive circuit with the mode that the normally closed contact of switch is connected.
As stated; Since the manual operation switch case promptly stop with switch in be provided with normal opened contact; Opening operation through normally closed contact comes closed this normal opened contact, and is provided with power connection and uses relay, and this power connection moves through the closure of this normal opened contact with relay; And self-hold circuit with this action of self-sustaining; This power connection with the normal opened contact of relay with promptly stop to insert in the electromagnetism shutter drive circuit with the mode that the normally closed contact of switch is connected, therefore, for example the electromagnetism shutter is under the situation of off-state before the running beginning; Or when making the electromagnetism shutter be in off-state, recover under the situation of energising owing to having a power failure; Only promptly stop pressing operation, above-mentioned relay is moved and self-sustaining, with closed with the normal opened contact that promptly stops to insert electromagnetism shutter drive circuit with the mode that the normally closed contact of switch is connected with switch.After this; Reset through will promptly stopping to rotate ormal weight to prescribed direction with switch; Owing to closed promptly stop normally closed contact with switch; The electromagnetism shutter becomes closure state, and after this, switching manipulation that can be through the manual operation switch case is to the running of electrical equipment or stop to operate.
In addition, the present invention has following characteristic, in the operation controller of above-mentioned electrical equipment; Promptly stopping with switch is key switch; Promptly stop to constitute, break off normally closed contact, and closed promptly stop with the normal opened contact of switch and keep this state through pressing operation with switch; After this, promptly stop to reset to prescribed direction rotation ormal weight through making with switch.
Pass through said structure; After promptly stopping to carry out pressing operation with switch; Only make and promptly stop to reset with the direction rotation ormal weight of switch to regulation; If power supply is provided, then because the electromagnetism shutter maintains closure state, so can be through the switching manipulation of manual operation switch case being carried out the running or the shut-down operation of electrical equipment to power circuit.
In addition; The present invention has following characteristic; In the operation controller of above-mentioned electrical equipment; Electrical equipment is that motor is used in the up-down of electrical hoist, control circuit have through the switching manipulation to above-mentioned manual operation switch case make up-down with motor to the function that promotes or hang the lower direction running or stop.
As stated; Through service firing control device in the up-down of electrical hoist is controlled with the running of motor; For example, the electromagnetism shutter is under the off-state situation before the running beginning, or under the situation about when being in off-state owing to power failure electromagnetism shutter, restoring electricity; Only promptly stop pressing operation, just can or stop to operate through the running under the switching manipulation of console switch case is hung with the lifting of motor the up-down of electrical hoist with switch.
In addition; The present invention has following characteristic; In the operation controller of above-mentioned electrical equipment; Electrical hoist has the traversing motor of using that this electrical hoist is laterally moved, and control circuit also has through the switching manipulation to the manual operation switch case makes the traversing function that on sideslip direction, turns round or stop with motor.
As stated; Through service firing control device in the traversing running with motor of electrical hoist is controlled; For example; The electromagnetism shutter is under the situation of off-state before the running beginning; Or owing under the situation that power failure electromagnetism shutter restores electricity when being in off-state, only promptly stop pressing operation with switch, the running under just can hanging with the lifting of motor through the up-down of the switching manipulation of console switch case being operated electrical hoist or stop and traversing with motor horizontal mobile running or stop.
Description of drawings
Fig. 1 representes the figure of the up-down of hoist engine in the past with the circuit structure of the operation controller of motor.
Fig. 2 is the figure of the up-down of expression hoist engine of the present invention with the circuit structure of the operation controller of motor.
Fig. 3 is the figure of example of the surface structure of expression electric-driven chain block.
Fig. 4 be expression be arranged on the manual operation switch case promptly stop figure with the outward appearance example of key switch.
Wherein, description of reference numerals is following:
10 go up and down to use induction motor
11 brakes
12 electromagnetism shutters
The 12X drive coil
The electromagnetism shutter is used in 13 liftings
The 13X drive coil
14 hang down and use the electromagnetism shutter
The 14X drive coil
15 power circuits
16 rectification circuits
20 drive circuits
Control circuit is used in 21 liftings
22 hang down and use control circuit
23 transformers
24 fuses (fuse)
The 25a-1 normal opened contact
The 25a-2 normal opened contact
27 self-hold circuits
30 manual operation switch casees
31 promptly stop to use key switch
The 31a normal opened contact
The 31b normally closed contact
Key switch is used in 32 liftings
The 33a normal opened contact
34 hang down and use key switch
The 34a normal opened contact
Embodiment
Below, come execution mode example of the present invention is described according to accompanying drawing.In addition; Though this execution mode example has been explained with the manual operation switch case and has been operated as the up-down of the electric-driven chain block of the electrical equipment operation controller with induction motor; But so long as operation controller is the equipment of controlling with the manual operation switch case, the present invention just can be applied to the operation controller of various electrical equipments.Fig. 2 is the figure of circuit structure of the operation controller of expression electrical equipment of the present invention.In Fig. 2, the part that marks same reference numerals with Fig. 1 is the identical or suitable part of expression
The difference of the operation controller that this operation controller and Fig. 1 represent is: be provided with through manual operation switch case 30 promptly stop to come the normal opened contact 31a of closure with the opening operation (pressing operation) of the normally closed contact 31b of key switch 31; And be provided with self-hold circuit 27; This normal opened contact 31a and power connection are connected in series with the drive coil 25X of relay 25 (not shown); And then self-hold circuit 27 is kept the action of this power connection with relay 25 through power connection with the closure of the normal opened contact 25a-1 of relay 25.And, with power connection with the normal opened contact 25a-2 of relay 25 with promptly stop normally closed contact 31b with key switch 31 and in series insert and be connected in the drive circuit 20.Through promptly stopping opening operation (pressing operation) with the normally closed contact 31b of key switch 31; Its normal opened contact 31a one closure; Drive current just flows to drive coil 25X; Power connection moves with relay 25, and drive current is lasting mobile to drive coil 25X by self-hold circuit 27, thereby makes power connection with relay 25 perseverations.
Promptly stopping with key switch 31 is the key switches with following structure: the normally closed contact 31b disconnection owing to pressing operation; And normal opened contact 31a closure also becomes locking (latch) state; After this, will promptly stop to reset to prescribed direction (for example right direction) rotation ormal weight with key switch 31.Therefore, because to promptly stopping the pressing operation with key switch 31, normal opened contact 31a is closed; Power connection is in the self-sustaining state with relay 25; After this, if will promptly stop to reset to prescribed direction rotation ormal weight, then because its normally closed contact 31b is closed with key switch 31; Drive current flows to drive coil 12X through this normally closed contact 31b and power connection with the normal opened contact 25a-2 of relay 25, makes electromagnetism shutter 12 closures.Thus, through to the lifting of manual operation switch case 30 with key switch 33 and hang down operation with key switch 34, go up and down to become the state that can promote the operation under hanging with induction motor 10.This state continues always, up to till promptly stopping normally closed contact 31b with key switch 31 and carrying out opening operation (pressing operation).
As stated; Under the state of electromagnetism shutter 12 closures, promote with key switch 33 if press, normal opened contact 33a is closed; Then drive current flows to the drive coil 13X that promotes with electromagnetism shutter 13; Promote with electromagnetism shutter 13 closures, thereby with induction motor 10 driving electric that promotes usefulness is provided to going up and down, this up-down is rotated (just changeing) with induction motor 10 to direction of improvement.In addition; Hang down with key switch 34 if press; Its normal opened contact 34a is closed, and then drive current flows to and hangs down the drive coil 14X with electromagnetism shutter 14, hangs down with electromagnetism shutter 14 closures; Thereby provide with induction motor 10 to going up and down and to hang down the driving electric of using, this up-down is rotated (counter-rotating) with induction motor 10 to hanging lower direction.
In the operation controller of above-mentioned up-down, when take place having a power failure, be cut off to the supply of electric power of power circuit 15 with motor.When from have a power failure, recovering; Though promptly the stopping of manual operation switch case 30 is in closure state with the normally closed contact 31b of key switch 31; But because power connection does not move with relay 25; Its normal opened contact 25a-2 is in off-state, so electromagnetism shutter 12 keeps off-state constant.Therefore, even the lifting of operation manual operation switch case 30 is with key switch 33 and hang time with key switch 34 under this state, can not goes up and down and hang down operation with the lifting of induction motor 10.Through operating closed normal opened contact 31a with pushing of key switch 31, through resetting to above-mentioned prescribed direction rotation ormal weight to promptly stopping.Through the closure of normal opened contact 31a, make drive current flow to the action of power connection, and carry out self-sustaining with the drive coil 25X of relay 25.Then, owing to be accompanied by the closure of normal opened contact 25a-2, promptly stop with the normally closed contact 31b of key switch 31 also closure, so drive current flows to the drive coil 12X of electromagnetism shutter 12, electromagnetism shutter 12 becomes closure state.Thus, as stated, through to the lifting of manual operation switch case 30 with key switch 33 and hang down operation with key switch 34, going up and down to become with induction motor 10 to promote the state of operating that hangs down.
Under this state; When pressing lifting with key switch 33; Its normal opened contact 33a is closed, and drive current flows to the drive coil 13X that promotes with electromagnetism shutter 13, promotes with electromagnetism shutter 13 closures; Thereby provide lifting to use electric power to going up and down with induction motor 10, make it to direction of improvement (positive veer) rotation.In addition; Pressing when hanging down with key switch 34; Its normal opened contact 34a is closed, and drive current flows to and hangs down the drive coil 14X with electromagnetism shutter 14, hangs down with electromagnetism shutter 14 closures; Thereby providing to hang down with induction motor 10 to going up and down uses electric power, and it is rotated to hanging lower direction (reverse directions).
In the operation controller of above-mentioned that kind; Since manual operation switch case 30 promptly stop with key switch 31 in be provided with normal opened contact 31a, power connection with relay 25, self-hold circuit 27 etc.; No matter be when up-down promptly stops with induction motor 10, still when energized, through one is promptly stopped just can realizing its purpose with the operation of key switch 31; Thereby make operation become simple; And with compare at the represented operation controller in the past of Fig. 1, except that promptly stopping with there is no need power connection to be set again the key switch 31, thereby can make 30 miniaturizations of manual operation switch case with key switch 32.In addition, after promptly stopping to reset, can go up and down immediately and hang down operation, thereby significantly improve operability with the lifting of induction motor 10 with key switch 31.
Fig. 3 is that expression uses up-down to constitute the figure of example with the outward appearance of the electric-driven chain block of the operation controller of motor.Reference numeral 40 is electric-driven chain block main bodys, in this electric-driven chain block main body, contains the chain rolling uncoiling mechanism (sprocket wheel etc.) that promotes or hang chain 41 down, goes up and down with induction motor 10, brake 11, operation controller etc. except manual operation switch case 30.Goods is installed on chain 41 slings with hook (hanging on Off Star Network) 42, electric-driven chain block main body 40 utilizes suspension with hook (hanging down with Off Star Network) 43, can install at the regulation installed position of for example ceiling.To roll out or the chain 41 of rollback is housed in chain and accommodates in the bucket (bucket) 44 or therefrom extract out through chain rolling uncoiling mechanism.Manual operation switch case 30 is connected with electric-driven chain block main body 40 via cable 45.
Through promptly stopping operation with key switch 31 to what be arranged on manual operation switch case 30, go up and down can carry out urgent shut-down operation with induction motor 10, also can carry out power connection and operate, thereby increase substantially operability.In addition, use key switch because there is no need to be provided with power connection, as stated, manual operation switch case 30 can be realized miniaturization, and has increased substantially operability.
In addition; In above-mentioned example; Though the up-down to electric-driven chain block is illustrated with employed operation controller in the running control of induction motor, is not limited to electric-driven chain block, operation controller of the present invention can be used in electronic rope type lifter etc.In addition, for example can be employed in motor and traversing running control, and then in the running control of the electrical equipment of the operation of manual operation switch case being controlled running, also can be widely used in the up-down of bridge crane with motor.
Fig. 4 be expression be arranged on console switch case 30 promptly stop figure with the outward appearance of an example of key switch 31.As shown in the figure; Through press section 35 is pushed, stroke (stroke) S is only pushed in press section 35, thus; When its normally closed contact 31b becomes off-state; Normal opened contact 31a becomes closure state, so with the state of keeping this state (pushing away lock (push lock) mode) with press section 35 to prescribed direction (for example right-hand to) rotation ormal weight, thereby the state that unlocks (resetting); When above-mentioned normally closed contact 31b became closure state, normal opened contact 31 became off-state (spinning reduction (turn reset) mode).In addition, the 36th, the terminal of normally closed contact 31b, the 37th, the terminal of normal opened contact 31a.
More than, though execution mode of the present invention is illustrated, the present invention is not limited to above-mentioned execution mode, also can be the various distortion in the scope of the technological thought that claim and specification and accompanying drawing are put down in writing.In addition, even directly be not documented in certain shape, the material on specification and the accompanying drawing,, then also belong within the scope of thought of technology of application of the present invention if can play effect of the present invention, effect.
Industrial applicibility
The present invention is provided with through the next closed normal opened contact of opening operation that promptly stops to carry out with switch normally closed contact to the manual operation switch case; And be provided with power connection and use relay; This power connection has through closed this normal opened contact with relay and carries out self-sustaining self-hold circuit; Because this power connection is with the normal opened contact of relay and promptly stop in series to be inserted in the electromagnetism shutter drive circuit with the normally closed contact of switch; Therefore there is no need in the manual operation switch case, to be provided with the power connection switch; Thereby can make the miniaturization of manual operation switch case, and the electromagnetism shutter becomes under the situation of off-state before the running beginning, or when making the electromagnetism shutter become off-state, recover under the situation of energising because of having a power failure; Owing to only use to promptly stop just can the closed electromagnetic shutter and keep this state with the operation of switch; Therefore, the switch that after this utilizes the manual operation switch case just can or stop to operate to the running of electrical equipment, thereby has increased substantially operability.Therefore; Can be widely used in the running control of following electrical equipment; That is the electrical equipment through control that the switching manipulation of the traversing manual operation switch case with motor etc. of elevation type motor such as electric-driven chain block, electronic rope type lifter, bridge crane is turned round.
Claims (4)
1. the operation controller of an electrical equipment,
Have: electrical equipment; Power circuit provides driving electric to this electrical equipment; The electromagnetism shutter opens and closes this power circuit; Electromagnetism shutter drive circuit switches on or off the drive current to the drive coil of this electromagnetism shutter; And the manual operation switch case, have and promptly stop to use switch,
Through switching manipulation to above-mentioned manual operation switch case; Carry out the running of above-mentioned electrical equipment or stop via control circuit; And through above-mentioned promptly the stopping that in series inserting in the above-mentioned electromagnetism shutter drive circuit carried out opening operation with the normally closed contact of switch; Make above-mentioned electromagnetism shutter become off-state
The operation controller of above-mentioned electrical equipment is characterised in that,
Above-mentioned manual operation switch case promptly stop with switch in be provided with normal opened contact; Opening operation through above-mentioned normally closed contact comes closed this normal opened contact; And be provided with power connection in this operation controller and use relay; This power connection moves through the closure of this normal opened contact with relay; And have the self-hold circuit that is used for this action of self-sustaining, the normal opened contact of this relay is to be inserted in the above-mentioned electromagnetism shutter drive circuit with the mode that the normally closed contact of switch is connected with above-mentioned promptly stopping.
2. the operation controller of electrical equipment according to claim 1 is characterized in that,
It is above-mentioned that promptly to stop with switch be key switch; Above-mentioned promptly stopping to constitute with switch; Break off above-mentioned normally closed contact through pressing operation; And closed above-mentionedly promptly stop with the above-mentioned normal opened contact of switch and keep this state, after this, above-mentionedly promptly stop to rotate ormal weight to prescribed direction and reset with switch through making.
3. the operation controller of electrical equipment according to claim 1 and 2 is characterized in that,
Above-mentioned electrical equipment is that motor is used in the up-down of electrical hoist,
Above-mentioned control circuit has following function: through the switching manipulation to above-mentioned manual operation switch case make above-mentioned up-down with motor to promoting or hang the lower direction running or stopping.
4. the operation controller of electrical equipment according to claim 3 is characterized in that,
Above-mentioned electrical hoist has the traversing motor of using that this electrical hoist is laterally moved,
Above-mentioned control circuit also has following function: make through the switching manipulation to above-mentioned manual operation switch case and above-mentionedly traversingly on sideslip direction, turn round or stop with motor.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2007/066399 WO2009025060A1 (en) | 2007-08-23 | 2007-08-23 | Operation controller for electric equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101868911A CN101868911A (en) | 2010-10-20 |
| CN101868911B true CN101868911B (en) | 2012-07-25 |
Family
ID=40377970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007801000986A Active CN101868911B (en) | 2007-08-23 | 2007-08-23 | Operation controller for electric equipment |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4850951B2 (en) |
| CN (1) | CN101868911B (en) |
| WO (1) | WO2009025060A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014072073A1 (en) | 2012-11-12 | 2014-05-15 | Torqeedo Gmbh | Boat with electric drive |
| CN105762931A (en) * | 2016-03-01 | 2016-07-13 | 北京突破电气有限公司 | Self-retaining control device for power distribution unit and power distribution unit using same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181495Y (en) * | 1993-07-30 | 1994-11-02 | 钟宗勇 | Hoist with lift controlling circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3629601B2 (en) * | 1995-05-31 | 2005-03-16 | 日本ホイスト株式会社 | Electric hoist |
| JP2007001667A (en) * | 2005-05-26 | 2007-01-11 | Toyo Koken Kk | Winding machine |
-
2007
- 2007-08-23 JP JP2009528931A patent/JP4850951B2/en active Active
- 2007-08-23 CN CN2007801000986A patent/CN101868911B/en active Active
- 2007-08-23 WO PCT/JP2007/066399 patent/WO2009025060A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181495Y (en) * | 1993-07-30 | 1994-11-02 | 钟宗勇 | Hoist with lift controlling circuit |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2007-1667A 2007.01.11 |
| JP特开平8-324978A 1996.12.10 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101868911A (en) | 2010-10-20 |
| WO2009025060A1 (en) | 2009-02-26 |
| JPWO2009025060A1 (en) | 2010-11-18 |
| JP4850951B2 (en) | 2012-01-11 |
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