CN108335937B - Mechanical emergency starting device and star three-angle contactor - Google Patents
Mechanical emergency starting device and star three-angle contactor Download PDFInfo
- Publication number
- CN108335937B CN108335937B CN201810251342.9A CN201810251342A CN108335937B CN 108335937 B CN108335937 B CN 108335937B CN 201810251342 A CN201810251342 A CN 201810251342A CN 108335937 B CN108335937 B CN 108335937B
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- push rod
- contact
- contactor
- star
- rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 206010033799 Paralysis Diseases 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/36—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having only two operative positions, e.g. relatively displaced by 180 degrees
- H01H19/42—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having only two operative positions, e.g. relatively displaced by 180 degrees providing more than two electrically different conditions, e.g. for closing either or both of two circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/04—Cases; Covers
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention relates to a starting contactor device, in particular to a mechanical emergency starting device which can directly start a star-delta contact scheme. The mechanical emergency starting device is connected with a star-delta contactor, and a movable contact and a fixed contact on the mechanical control contactor are connected or separated, and is characterized in that: comprises an operating mechanism and a transmission mechanism, wherein the operating mechanism is applied with external force and then is transmitted to the contactor for control through the transmission mechanism. Meanwhile, the scheme also provides a contactor comprising the mechanical emergency starting device. The device is mainly used for controlling the contactor to be directly started by electricity when the outlet fault of the control loop is in a paralysis state, and can be used for controlling the contactor to be directly started in emergency, so that the fire-fighting water pump works to extinguish fire.
Description
Technical Field
The invention relates to a starting contactor device, in particular to a mechanical emergency starting device which can directly start a star-delta contact scheme, and also provides a contactor. The technology belongs to the invention of low-voltage electrical appliance products in the field of fire control. The device is mainly used for controlling the contactor to be directly started by electricity when the outlet fault of the control loop is in a paralysis state, and can be used for controlling the contactor to be directly started in emergency, so that the fire-fighting water pump works to extinguish fire.
Background
The star-delta starting mode control loop has a complex structure, and any point failure of the control loop can lead to paralysis of the whole control loop; and when the control power supply is in a problem, the control loop is paralyzed, so that the contactor cannot be controlled to start the fire-fighting water pump to extinguish fire in emergency, and the personal safety and property of other people are lost.
Disclosure of Invention
In view of this, this scheme provides a mechanical type emergent starting drive, is connected with on the star three angular contact, and the moving on the mechanical control contactor, the fixed contact switch-on or separate, and this starting drive includes an operating device and a drive mechanism, and operating device is connected with drive mechanism, through exerting external force to operating device, and the rethread drive mechanism transmits for the contactor and is used for controlling.
Further, the operating mechanism comprises a driving rotating rod, the bottom end of the driving rotating rod is in transmission connection with a driven rotating rod, one end of the driven rotating rod is fixedly provided with a transmission mechanism, the transmission mechanism comprises a base plate, the upper part of the base plate is provided with a push rod A, the lower part of the push rod A is provided with a push rod B, and the lower end face of the push rod A is in contact with the upper end face of the push rod B; the push rod A is fixed on the driven rotating rod. When the external rotating force is applied to the driving rotating rod, the force is transmitted to the driven rotating rod through the rotation of the driving rotating rod, the head end of the push rod A moves downwards through the rotation of the driven rotating rod, and then the head end of the push rod B is pushed to rotate downwards.
Further, a driven rotating rod is arranged at the bottom of the driving rotating rod, the two driven rotating rods are bilaterally symmetrical with the driving rotating rod as the center, and each driven rotating rod is connected with a transmission mechanism.
Further, the push rod B is rotatably fixed on the base plate through a connecting piece, namely the connecting piece can rotate on the base plate.
According to another aspect of the technical scheme, a star-delta contact is further provided, and the contact comprises any one of the mechanical emergency starting devices.
Further, the contactor comprises a shell, a rotating shaft is arranged on the shell, one end of the rotating shaft is fixed with the connecting piece, a triangular support frame is fixedly arranged on the rotating shaft, a moving contact is supported at the upper end of the triangular support frame, a fixed contact is fixedly arranged on the shell and located below the moving contact, when the push rod A pushes the head end of the push rod B to move downwards, the connecting piece where the push rod B is located rotates to drive the rotating shaft to rotate, and then the upper end of the triangular support frame is driven to rotate towards the lower position to drive the moving contact to move downwards and be communicated with the fixed contact.
Further, a reaction spring is arranged on the rotating shaft, when no external force acts on the push rod B, the upper end face of the push rod B is always attached to the lower end face of the push rod A by the reverse force of the reaction spring, and at the moment, the moving contact and the fixed contact are in a separated state.
The invention has the advantages that:
the device is simple in principle, simple in part structure and simple in personnel operation, and achieves the aim of directly controlling the contactor to start the fire-fighting water pump to extinguish fire in emergency.
The invention has the advantages that:
1. when the star-delta contact control loop fails and is in a paralysis state, the product can be controlled to start and control the fire pump to extinguish fire by utilizing the manual mechanical operation function;
2. the manual mechanical starting energy is derived from energy released by spring energy storage in the operating mechanism, is irrelevant to the speed of a human operating handle, and really realizes irrelevant manual operation;
3. when the contactor control loop is normal and the normal star-delta contactor is driven by the coil to start, the mechanical operating mechanism does not have any blocking effect on the normal star-delta contactor. That is, the emergency starting mechanism does not affect the normal electric operation star delta starting;
4. the operating mechanism is specially designed for the contactor, so that the operation is more reliable and the operation is more convenient;
5. the structure is compact.
Drawings
FIG. 1 is an exploded view of the structure of the invention;
FIG. 2 is a schematic diagram of an initial state of a transmission mechanism;
fig. 3 is a schematic diagram of the working state of the transmission mechanism:
FIG. 4 is a schematic diagram of the on state of the movable and stationary contacts;
FIG. 5 is a schematic diagram of the open state of the movable and stationary contacts;
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, the embodiment provides a mechanical emergency starting device, which is arranged on a star-delta contact 1 and is connected with a rotating shaft 2 on the star-delta contact 1, and is used for controlling the connection or disconnection of a moving contact 3 and a fixed contact 4 of the star-delta contact 1. Specifically, a conical gear is arranged at the bottom of the driving rotating rod 6, a conical gear is also arranged at one end of the driven rotating rod 7, the two conical gears are meshed for directional transmission, and a handle 8 is sleeved at the upper part of the driving rotating rod 6 for saving labor and being operable. The driving rotating rod 6 and the driven rotating rod 7 are both arranged on the shell 5, and the driven rotating rod 7 and the driving rotating rod 6 are both exposed out of a part.
The transmission mechanism comprises a base plate 9, wherein the base plate 9 is fixed on the shell 5 of the operation mechanism and is connected, a push rod A10 is arranged at the upper part of the base plate 9, a push rod B11 is arranged at the lower part of the push rod A10, the push rod B11 can be rotatably fixed on the base plate 9 through a connecting piece 12, the connecting piece 9 is fixedly connected with the push rod B11, and as shown in fig. 2, in an initial state, the lower end face of the push rod A10 is contacted with the upper end face of the push rod B11; the push rod A10 is fixed at the head end of the driven rotary rod 7, the head end of the push rod A10 moves downwards to push the head end of the push rod B11 to rotate downwards, namely, the head end of the push rod A10 walks on the upper end surface of the push rod B11, and the push rod B11 walks downwards to drive the connecting piece 9 to rotate. Referring to FIG. 2, a schematic diagram of the initial state of the transmission mechanism is shown; fig. 3 is a schematic diagram of the working state of the transmission mechanism:
as an improvement of the scheme, a driven rotating rod 7 is symmetrically arranged at the bottom of the driving rotating rod 6, the two driven rotating rods 7 are bilaterally symmetrical by taking the driving rotating rod 6 as the center, each driven rotating rod 7 is connected with a transmission mechanism, each rotation mechanism is respectively connected with one star three-angle contactor 1, and the design can enable one mechanical starting device to simultaneously control the two star three-angle contactors 1.
According to another aspect of the present disclosure, there is provided a star-delta contact, the contact comprising any one of the mechanical emergency starting devices described above.
As an improvement of the scheme, the contactor comprises a shell 13, a rotating shaft 13 is arranged at the upper part and the lower part of the shell 13, one end of the rotating shaft 2 is fixed with the connecting piece 12 after being exposed out of the shell 13, a triangular support frame 14 is fixedly arranged on the rotating shaft 2, one corner of the lower part of the triangular support frame 14 is in a lantern ring design, and the lantern ring is sleeved outside the rotating shaft 2 to realize fixation. The upper end of the triangular support frame 14 supports the moving contact 3, the fixed contact 4 is fixed on the shell 13 and is positioned below the moving contact 3, when the push rod A10 pushes the head end of the push rod B11 to move downwards, the push rod B11 drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the upper end of the triangular support frame 14 to rotate downwards, the moving contact 3 is pulled to move downwards, the moving contact 3 moves downwards to be communicated with the fixed contact 4, and the fixed contact 4 is connected with electric equipment to realize the communication.
As an improvement of the scheme, a reaction spring 15 is arranged on the rotating shaft 2 and is connected with the shell 13 in a matched manner, and the reaction spring 15 gives a reaction force to the rotating shaft 2, so that when no external force acts on the push rod B11, the upper end face of the push rod B11 is always stuck to the lower end face of the push rod a10 by the reverse force of the reaction spring 15, and at the moment, the moving contact 3 and the fixed contact 4 are in a separated state.
Working principle:
referring to fig. 4, when the star-delta starting mode control loop fails, the rotating handle drives the operating mechanism to act to drive the driven rotating rods 7 at two sides to rotate by 90 degrees, so that the sliding push rod B11 drives the rotating shafts 2 of the left contactor and the right contactor to drive the movable contact support frame in the contactor 1 to act, and reliable connection between the movable contact piece and the static contact piece is achieved. On the contrary, the structure of opening the initial moving and static contacts is shown in fig. 5.
The star-delta contactor is provided with a mechanical emergency starting device, the star-delta contactor is provided with a coil power-on interface, when the normal star-delta contactor is driven by a coil to start, namely when power is on, the static contact is sucked onto the moving contact through the coil action to realize starting, and the push rod A10 does not act, so that a mechanical operating mechanism does not act, and the requirement that electromagnetic control and mechanical control do not interfere with each other is met. The left side contact device and the right side contact device of the mechanical emergency direct start function star-shaped three-angle contact device are operated by the same mechanical structure, so that the star-shaped three-angle contact device synchronously acts, the requirement of the emergency direct start of the star-shaped three-angle contact device is truly met, the star-shaped three-angle contact device is timely utilized to start a fire-fighting water pump to extinguish fire, and the personal safety and property loss of other people are avoided.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The utility model provides a mechanical type emergency starting device, is connected with star three angular contact on, and the movable and stationary contact on the mechanical control contactor is put through or is separated, its characterized in that: comprises an operating mechanism and a transmission mechanism, wherein the operating mechanism is applied with external force and then is transmitted to the contactor for control through the transmission mechanism; the operating mechanism comprises a driving rotating rod, the bottom end of the driving rotating rod is in transmission connection with a driven rotating rod, one end of the driven rotating rod is fixedly provided with a transmission mechanism, the transmission mechanism comprises a base plate, the upper part of the base plate is provided with a push rod A, the lower part of the push rod A is provided with a push rod B, and the lower end face of the push rod A is in contact with the upper end face of the push rod B; the push rod A is fixed at the head end of the driven rotary rod A, and the head end of the push rod A moves downwards to push the head end of the push rod B to rotate downwards.
2. A mechanical emergency starting device according to claim 1, wherein: the bottom of the driving rotating rod is provided with a driven rotating rod, the two driven rotating rods are bilaterally symmetrical with the driving rotating rod as the center, and each driven rotating rod is connected with a transmission mechanism.
3. A mechanical emergency starting device according to claim 1, wherein: the push rod B is rotatably fixed on the base plate through a connecting piece.
4. A mechanical emergency starting device according to claim 1, wherein: a handle is fixedly arranged on the driving rotating rod.
5. A star-delta contact, characterized in that: the contactor comprises a mechanical emergency starting device according to any of the preceding claims 1-4.
6. A star-delta contact as set forth in claim 5, wherein: the contactor comprises a shell, a rotating shaft is arranged on the shell, one end of the rotating shaft is fixed with a connecting piece, a triangular support frame is fixedly arranged on the rotating shaft, a moving contact is supported at the upper end of the triangular support frame, a fixed contact is fixed on the shell and located below the moving contact, when a push rod A pushes a head end of a push rod B to move downwards, the push rod B drives the rotating shaft to rotate, and then the upper end of the triangular support frame is driven to rotate downwards to drive the moving contact to move downwards and be communicated with the fixed contact.
7. A star-delta contact as set forth in claim 6, wherein: the rotating shaft is provided with a counter-force spring which gives a counter force to the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251342.9A CN108335937B (en) | 2018-03-26 | 2018-03-26 | Mechanical emergency starting device and star three-angle contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251342.9A CN108335937B (en) | 2018-03-26 | 2018-03-26 | Mechanical emergency starting device and star three-angle contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108335937A CN108335937A (en) | 2018-07-27 |
| CN108335937B true CN108335937B (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810251342.9A Active CN108335937B (en) | 2018-03-26 | 2018-03-26 | Mechanical emergency starting device and star three-angle contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108335937B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098074A (en) * | 2019-06-12 | 2019-08-06 | 沈阳斯沃电器有限公司 | A kind of emergency star angle starter |
| CN110112041B (en) * | 2019-06-12 | 2024-02-27 | 沈阳斯沃电器有限公司 | Emergency operation mechanism of contactor |
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| CN106531490A (en) * | 2016-11-01 | 2017-03-22 | 南通艾德森机电设备有限公司 | Mechanical emergency star-delta starter |
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| CN206864349U (en) * | 2017-04-28 | 2018-01-09 | 南通贝特给水设备科技有限公司 | Contactor type fire pump mechanical emergency is segmented actuating mechanism |
| CN207966822U (en) * | 2018-03-26 | 2018-10-12 | 沈阳斯沃电器有限公司 | A kind of mechanical emergency starting device and star triangle contactor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101201713B1 (en) * | 2011-12-20 | 2012-11-15 | 엘에스산전 주식회사 | Auxiliary contactor mechanism for magnetic contactor |
-
2018
- 2018-03-26 CN CN201810251342.9A patent/CN108335937B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202549740U (en) * | 2012-02-28 | 2012-11-21 | 施耐德电器工业公司 | Contactor with switching mechanism |
| CN104538261A (en) * | 2015-01-22 | 2015-04-22 | 思源清能电气电子有限公司 | Quick-acting bypass device |
| CN105070594A (en) * | 2015-09-07 | 2015-11-18 | 沈阳斯沃电器有限公司 | Alternating-current contactor manual operation mechanism |
| CN106531490A (en) * | 2016-11-01 | 2017-03-22 | 南通艾德森机电设备有限公司 | Mechanical emergency star-delta starter |
| CN106601514A (en) * | 2016-12-07 | 2017-04-26 | 南通贝特给水设备科技有限公司 | Contactor type fire pump machinery emergency starting device |
| CN106409600A (en) * | 2016-12-08 | 2017-02-15 | 郴州市东塘电气设备有限公司 | Mechanical emergency starting apparatus for start-delta voltage-reduction starting |
| CN206864349U (en) * | 2017-04-28 | 2018-01-09 | 南通贝特给水设备科技有限公司 | Contactor type fire pump mechanical emergency is segmented actuating mechanism |
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| CN207966822U (en) * | 2018-03-26 | 2018-10-12 | 沈阳斯沃电器有限公司 | A kind of mechanical emergency starting device and star triangle contactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108335937A (en) | 2018-07-27 |
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