CN101868911A - Operation controller for electric equipment - Google Patents
Operation controller for electric equipment Download PDFInfo
- Publication number
- CN101868911A CN101868911A CN200780100098A CN200780100098A CN101868911A CN 101868911 A CN101868911 A CN 101868911A CN 200780100098 A CN200780100098 A CN 200780100098A CN 200780100098 A CN200780100098 A CN 200780100098A CN 101868911 A CN101868911 A CN 101868911A
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- mentioned
- switch
- electrical equipment
- promptly
- motor
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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)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Stopping Of Electric Motors (AREA)
- Control And Safety Of Cranes (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 described electrical equipment by manual operation switch case (hand unit operation ス イ Star チ ボ Star Network ス) is carried out switching manipulation control lifting in motor 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, motor hoist, bridge crane etc. are for example arranged.Fig. 1 represents the figure of the lifting 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 lifting induction motors, and Reference numeral 11 is brakes.Lifting can and promote with electromagnetism shutter 13 or hangs down usefulness electromagnetism shutter 14 with induction motor 10 by electromagnetism shutter 12, 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 by rectification circuit 16.
Use in the operation controller of motor in above-mentioned lifting, pressing power connection key switch 32, during its normal opened contact of closure 32a, drive current flows through the drive coil 12X of electromagnetism shutter 12, thereby electromagnetism shutter 12 moves closed, and it often opens auxiliary contact 12a closure, 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 closure, 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 to lifting with induction motor 10, make this lifting rotate (just changeing) to direction of improvement with induction motor 10.In addition, hang down with key switch 34 if press, its normal opened contact 34a closure, then drive current flows through the drive coil 14X that hangs down with electromagnetism shutter 14, hang down with electromagnetism shutter 14 closures, thereby providing to hang down with induction motor 10 to lifting uses driving electric, make this lifting with induction motor 10 to hanging down direction rotation (counter-rotating).
,, when taking place to have a power failure, the supply of electric power of power circuit 15 is cut off with in the operation controller of motor in above-mentioned lifting.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 usefulness key switch 34 even press, make drive current flow to promote or hang down the drive coil 14X of usefulness 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 provide driving electric with induction motor 10 to lifting.
Under this state, if press power connection key switch 32, make its normal opened contact 32a closure, as mentioned above, drive current flows to the drive coil 12X of electromagnetism shutter 12, because electromagnetism shutter 12 is closed and it often opens auxiliary contact 12a closure, drive current is by often opening auxiliary contact 12a and promptly stop with the normally closed contact 31b of key switch 31 and continue to flow to drive coil 12X, and the closed action of self-sustaining electromagnetism shutter 12.Under this state, promote with key switch 33 or hang down usefulness key switch 34 if press, make drive current flow to promote or hang down the drive coil 14X of usefulness electromagnetism shutter 14 with the drive coil 13X of electromagnetism shutter 13, lifting is with electromagnetism shutter 13 or hang down usefulness electromagnetism shutter 14 closures, 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 down the direction rotation to lifting.
,, when from have a power failure, recovering, can turn round with motor with in the operation controller of motor in above-mentioned lifting, be provided with power connection key switch 32 at manual operation switch case 30 for making lifting.Because except this power connection promptly stops with key switch 31 in addition, promotes with key switch 33, hangs down other key switch such as usefulness 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, promptly stop with after the key switch 31 pressing, promptly stop also must to push the operation of power connection afterwards removing, become loaded down with trivial details thereby make to operate with key switch 32 with key switch 31 (resetting).In addition, promptly stop under the situation that lifting is not moved with induction motor 10, pressing the key switch of manual operation switch case 30 because of carelessness,, have the possibility that has started equipment unintentionally as its result with key switch 31 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 by the switching manipulation to the manual operation switch case, via control circuit to the running of electrical equipment or stop to operate, and by carrying out opening operation with the normally closed contact of switch in series inserting promptly stopping in the electromagnetism shutter drive circuit, make the electromagnetism shutter become off-state, the operation controller of this electrical equipment is characterised in that, be provided with normal opened contact, this normal opened contact is by the next closure of opening operation that promptly stops to carry out with switch normally closed contact to the manual operation switch case, and be provided with the power connection relay, this power connection moves by 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 mentioned above, owing to be provided with normal opened contact in the operation controller of electrical equipment, this normal opened contact is by the next closure of opening operation that promptly stops to carry out with switch normally closed contact to the manual operation switch case, and be provided with the power connection relay, this power connection moves by 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 with switch, above-mentioned relay is moved and self-sustaining, with the normal opened contact closure that promptly stops to insert electromagnetism shutter drive circuit with the mode that the normally closed contact of switch is connected.After this, reset by will promptly stopping to rotate ormal weight to prescribed direction with switch, because the closed normally closed contact that promptly stops with switch, the electromagnetism shutter becomes closure state, after this, switching manipulation that can be by the manual operation switch case is to the running of electrical equipment or stop to operate.
In addition, the present invention has following feature, in the operation controller of above-mentioned electrical equipment, promptly stopping with switch is key switch, promptly stop to constitute, disconnect normally closed contact by pressing operation with switch, and closed normal opened contact and keep this state, after this, promptly stop to reset to prescribed direction rotation ormal weight by 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 provide power supply to power circuit, then because the electromagnetism shutter maintains closure state, so can be by the switching manipulation of manual operation switch case being carried out the running or the shut-down operation of electrical equipment.
In addition, the present invention has following feature, in the operation controller of above-mentioned electrical equipment, electrical equipment is the lifting motor of motor hoist, control circuit have by the switching manipulation to above-mentioned manual operation switch case make lifting with motor to promoting or hang down the function that direction turns round or stops.
As mentioned above, by service firing control device in the lifting of motor 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, restoring electricity owing to power failure electromagnetism shutter, only promptly stop pressing operation, just can or stop to operate by the running under the switching manipulation of console switch case is hung with the lifting of motor the lifting of motor hoist with switch.
In addition, the present invention has following feature, in the operation controller of above-mentioned electrical equipment, motor hoist has the traversing motor of using that this motor hoist is laterally moved, and control circuit also has by the switching manipulation to the manual operation switch case makes the traversing function that turns round or stop with motor on sideslip direction.
As mentioned above, by service firing control device in the traversing running with motor of motor hoist is controlled, for example, the electromagnetism shutter is under the situation of off-state before the running beginning, or under the situation about when being in off-state, restoring electricity owing to power failure electromagnetism shutter, only promptly stop the pressing operation with switch, the running under just can hanging with the lifting of motor by the lifting of the switching manipulation of console switch case being operated motor hoist or stop and traversing with motor horizontal mobile running or stop.
Description of drawings
Fig. 1 represents the figure of the lifting of elevator in the past with the circuit structure of the operation controller of motor.
Fig. 2 is the figure of the lifting of expression elevator 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 is the figure that expression is arranged on the outward appearance example that promptly stops the usefulness key switch of manual operation switch case.
Wherein, description of reference numerals is as follows:
10 lifting induction motors
11 brakes
12 electromagnetism shutters
The 12X drive coil
13 lifting electromagnetism shutters
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
21 lifting control circuits
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
32 lifting key switches
The 33a normal opened contact
34 hang down and use key switch
The 34a normal opened contact
Embodiment
Below, come with reference to the accompanying drawings the embodiments of the present invention example is described.In addition, though the present embodiment example has illustrated with the manual operation switch case and has operated as the lifting 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
This operation controller is with the difference of the operation controller that Fig. 1 represents: be provided with the next closed normal opened contact 31a of opening operation (pressing operation) by the normally closed contact 31b that promptly stops usefulness key switch 31 of manual operation switch case 30, 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 by 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.By 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 continued to flow to drive coil 25X by self-hold circuit 27, thereby makes power connection 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 pressing operation with key switch 31, normal opened contact 31a closure, 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 closure with key switch 31, drive current flows to drive coil 12X by this normally closed contact 31b and power connection with the normal opened contact 25a-2 of relay 25, makes electromagnetism shutter 12 closures.Thus, by to the lifting of manual operation switch case 30 with key switch 33 and hang down operation with key switch 34, lifting becomes 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 mentioned above, under the state of electromagnetism shutter 12 closures, promote with key switch 33 if press, normal opened contact 33a closure, then drive current flows to the drive coil 13X that promotes with electromagnetism shutter 13, promote with electromagnetism shutter 13 closures, thereby provide the driving electric that promotes usefulness to lifting with induction motor 10, this lifting 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 closure, then drive current flows to the drive coil 14X that hangs down with electromagnetism shutter 14, hang down with electromagnetism shutter 14 closures, thereby provide with induction motor 10 to lifting and to hang down the driving electric of using, this lifting with induction motor 10 to hanging down direction rotation (counter-rotating).
,, when taking place to have a power failure, be cut off with in the operation controller of motor in above-mentioned lifting to the supply of electric power of power circuit 15.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 used key switch 34 with key switch 33 and under hanging under this state, can not carry out lifting and hang down operation with the lifting of induction motor 10.By operating closed normal opened contact 31a with pushing of key switch 31, by resetting to above-mentioned prescribed direction rotation ormal weight to promptly stopping.By 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 closedly, so drive current flows to the drive coil 12X of electromagnetism shutter 12, and electromagnetism shutter 12 becomes closure state.Thus, as mentioned above, by to the lifting of manual operation switch case 30 with key switch 33 and hang down operation with key switch 34, lifting becomes with induction motor 10 can promote the state of operating that hangs down.
Under this state, when pressing lifting with key switch 33, its normal opened contact 33a closure, drive current flows to the drive coil 13X that promotes with electromagnetism shutter 13, promote with electromagnetism shutter 13 closures, thereby provide lifting to use electric power to lifting 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 closure, drive current flows to the drive coil 14X that hangs down with electromagnetism shutter 14, hang down with electromagnetism shutter 14 closures, thereby providing to hang down with induction motor 10 to lifting uses electric power, makes it to hanging down direction (reverse directions) rotation.
In operation controller as described above, since manual operation switch case 30 promptly stop with key switch 31 in be provided with normal opened contact 31a, power connection relay 25, self-hold circuit 27 etc., no matter be when lifting promptly stops with induction motor 10, still when energized, by 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 to be provided with again power connection the key switch 31 with key switch 32, thereby can make 30 miniaturizations of manual operation switch case.In addition, after promptly stopping to reset, can carry out lifting 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 lifting 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, contains the chain rolling uncoiling mechanism (sprocket wheel etc.) that promotes or hang chain 41 down, lifting with induction motor 10, brake 11, the operation controller except manual operation switch case 30 etc. in this electric-driven chain block main body.Goods is installed on chain 41 slings with hook (hanging on Off Star Network) 42, electric-driven chain block main body 40 is utilized and is hung 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 by chain rolling uncoiling mechanism.Manual operation switch case 30 is connected with electric-driven chain block main body 40 via cable 45.
By promptly stopping operation with key switch 31 to what be arranged on manual operation switch case 30, lifting can be carried out urgent shut-down operation with induction motor 10, also can carry out power connection and operate, thereby increase substantially operability.In addition, because there is no need to be provided with the power connection key switch, as mentioned above, manual operation switch case 30 can be realized miniaturization, and has increased substantially operability.
In addition, in above-mentioned example, though the lifting 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 lifting 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, by 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, and then with the state of keeping this state (pushing away lock (push lock) mode) with press section 35 to prescribed direction (for example right) 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 embodiments of the present invention are 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, material on specification and the accompanying drawing,, then also belong within the scope of thought of technology of the present patent application if can play effect of the present invention, effect.
Industrial applicibility
The present invention is provided with by the emergent stopping to the manual operation switch case and comes closed normal opened contact with the opening operation that switch carries out normally closed contact, and be provided with the power connection relay, this power connection has by closed this normal opened contact with relay and carries out self-sustaining self-hold circuit, because this power connection in series is inserted in the electromagnetism shutter drive circuit with the normal opened contact of relay and the emergent stopping normally closed contact with switch, therefore there is no need in the manual operation switch case, to arrange the power connection switch, thereby can make the miniaturization of manual operation switch case, and the electromagnetism shutter becomes in the situation of off-state before the running beginning, or because in the situation of the Power resumption when making the electromagnetism shutter become off-state of having a power failure, just can the closed electromagnetic shutter with the operation of switch and keep this state to emergent stopping owing to only use, therefore, after this switch that 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 by control that the switching manipulation of the traversing manual operation switch case with motor etc. of the lifting electric machines 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,
By switching manipulation to above-mentioned manual operation switch case, by control circuit to the running of above-mentioned electrical equipment or stop to operate, and by 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,
Wherein be provided with normal opened contact, by next closed this normal opened contact of opening operation that promptly stops to carry out above-mentioned normally closed contact with switch to above-mentioned manual operation switch case, and be provided with the power connection relay, this power connection moves by 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, disconnects above-mentioned normally closed contact by pressing operation, and closed above-mentioned normal opened contact and keep this state, after this, by above-mentioned promptly stopping to be resetted to prescribed direction rotation ormal weight with switch.
3. the operation controller of electrical equipment according to claim 1 and 2 is characterized in that,
Above-mentioned electrical equipment is the lifting motor of motor hoist,
Above-mentioned control circuit has following function: make above-mentioned lifting turn round or stop to promoting or hang down direction with motor by the switching manipulation to above-mentioned manual operation switch case.
4. the operation controller of electrical equipment according to claim 3 is characterized in that,
Above-mentioned motor hoist has the traversing motor of using that this motor hoist is laterally moved,
Above-mentioned control circuit also has following function: make by the switching manipulation to above-mentioned manual operation switch case and above-mentionedly traversingly turn round on sideslip direction 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 true CN101868911A (en) | 2010-10-20 |
| CN101868911B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878724A (en) * | 2012-11-12 | 2018-04-06 | 托奇多有限责任公司 | Ship with driven by power and emergency stop switch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181495Y (en) * | 1993-07-30 | 1994-11-02 | 钟宗勇 | Hoist with lift controlling circuit |
| 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 WO PCT/JP2007/066399 patent/WO2009025060A1/en active Application Filing
- 2007-08-23 JP JP2009528931A patent/JP4850951B2/en active Active
- 2007-08-23 CN CN2007801000986A patent/CN101868911B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878724A (en) * | 2012-11-12 | 2018-04-06 | 托奇多有限责任公司 | Ship with driven by power and emergency stop switch |
| US10392095B2 (en) | 2012-11-12 | 2019-08-27 | Torqeedo Gmbh | Electric drive and emergency stop switch for boats |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101868911B (en) | 2012-07-25 |
| WO2009025060A1 (en) | 2009-02-26 |
| JP4850951B2 (en) | 2012-01-11 |
| JPWO2009025060A1 (en) | 2010-11-18 |
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