CN213783165U - Automatic start and stop control circuit of vibrating screen - Google Patents
Automatic start and stop control circuit of vibrating screen Download PDFInfo
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- CN213783165U CN213783165U CN202022103429.7U CN202022103429U CN213783165U CN 213783165 U CN213783165 U CN 213783165U CN 202022103429 U CN202022103429 U CN 202022103429U CN 213783165 U CN213783165 U CN 213783165U
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- relay
- control circuit
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Abstract
The utility model provides an automatic control circuit that opens, stops of shale shaker relates to oil drilling's technical field, include: the device comprises a first circuit breaker, a contactor, a relay, a three-gear switch and a thermal relay; the contactor comprises a contactor coil, a contactor main contact and a contactor auxiliary contact; the relay comprises a relay coil and a relay contact; the thermal relay comprises a heating element and a thermal relay contact; the manual circuit comprises a first switch and a second switch; the automatic circuit comprises a photoelectric switch; the three-gear switch comprises a manual gear, a stop gear and an automatic gear, and is used for switching the automatic control circuit and the manual control circuit; and the three-phase power supply supplies power to the motor through the first circuit breaker, the contactor main contact and the thermal relay contact in sequence. Through the utility model provides a cycle that the electric current can prolong the sieve cloth and change improves the availability factor of shale shaker, reduces and repairs the shale shaker frequency, the using electricity cost wisely.
Description
Technical Field
The utility model belongs to the technical field of the oil drilling technique and specifically relates to a shale shaker is automatic to be opened, to stop control circuit.
Background
At present, the vibrating screen for purifying drilling fluid for drilling teams is started and stopped by manual operation through a start button or a stop button on an explosion-proof combined control device, so that drilling fluid loss accidents can be caused once an operator forgets to start the vibrating screen, when no drilling fluid returns out from the well when the pump is stopped and a single drilling fluid is connected or an upright column is connected, the vibrating screen still works, therefore, the reactive power of screen cloth can be used and the screen cloth is damaged too early, the loss of the screen cloth is not only caused, and the service lives of the vibrating screen and a motor are reduced. The electric energy is also greatly wasted by the idle running of the vibrating screen motor.
In conclusion, the potential safety hazard of the vibrating screen in the prior art is avoided, and meanwhile, the service life replacement cycle of the screen cloth needs to be improved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an automatic control circuit that opens, stops of shale shaker to the cycle that the extension screen cloth was changed improves the availability factor of shale shaker, reduces and repairs the shale shaker frequency, practices thrift the power consumption cost.
The utility model provides an automatic control circuit that opens, stops of shale shaker, include: the automatic control system comprises a first circuit breaker, a contactor, a relay, a three-gear switch, a thermal relay, a manual control circuit and an automatic control circuit;
the contactor comprises a contactor coil, a contactor main contact and a contactor auxiliary contact;
the relay comprises a relay coil and a relay contact;
the thermal relay comprises a heating element and a thermal relay contact;
the manual control circuit comprises a first switch and a second switch;
the automatic control circuit comprises a photoelectric switch;
the three-gear switch comprises a manual gear, a stop gear and an automatic gear, and is used for switching the automatic control circuit and the manual control circuit;
one end of the first switch is connected with one phase of a three-phase power supply, and the other end of the first switch is connected with one end of the second switch;
the other end of the second switch is connected with one end of the contactor coil, the other end of the contactor coil is connected with the thermal relay contact, and the thermal relay contact is connected with the other phase of the three-phase power supply;
one end of the relay coil is grounded, the other end of the relay coil is connected with one end of the photoelectric switch, and the other end of the photoelectric switch is connected with one phase of the three-phase power supply;
the auxiliary contact of the contactor is connected in parallel with two ends of the second switch;
one end of the relay contact is connected with one phase of a three-phase power supply, and the other end of the relay contact is connected with one end of the contactor coil;
and the three-phase power supply supplies power to the motor sequentially through the first circuit breaker, the contactor main contact and the thermal relay contact.
Preferably, the photoelectric switch is a normally open switch.
The embodiment of the utility model provides a following beneficial effect has been brought: the utility model provides an automatic control circuit that opens, stops of shale shaker, include: the device comprises a first circuit breaker, a contactor, a relay, a three-gear switch and a thermal relay; the contactor comprises a contactor coil, a contactor main contact and a contactor auxiliary contact; the relay comprises a relay coil and a relay contact; the thermal relay comprises a heating element and a thermal relay contact; the manual circuit comprises a first switch and a second switch; the automatic circuit comprises a photoelectric switch; the three-gear switch comprises a manual gear, a stop gear and an automatic gear, and is used for switching the automatic control circuit and the manual control circuit; one end of the first switch is connected with one phase of the three-phase power supply, and the other end of the first switch is connected with one end of the second switch; the other end of the second switch is connected with one end of a contactor coil, the other end of the contactor coil is connected with a thermal relay contact, and the thermal relay contact is connected with the other phase of the three-phase power supply; one end of the relay coil is grounded, the other end of the relay coil is connected with one end of the photoelectric switch, and the other end of the photoelectric switch is connected with one phase of the three-phase power supply; the auxiliary contact of the contactor is connected in parallel with two ends of the second switch; one end of the relay contact is connected with one phase of the three-phase power supply, and the other end of the relay contact is connected with one end of the contactor coil; and the three-phase power supply supplies power to the motor through the first circuit breaker, the contactor main contact and the thermal relay contact in sequence. Through the utility model provides a cycle that the electric current can prolong the sieve cloth and change improves the availability factor of shale shaker, reduces and repairs the shale shaker frequency, the using electricity cost wisely.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a circuit diagram of an automatic start/stop control circuit for a vibrating screen according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
At present, the shale shaker that drilling team purified drilling fluid used, start, all must carry out manual operation through the start or stop button on the flame proof type combination control device during the stop, in case operating personnel forget the accident that will cause the drilling fluid to run off when starting the shale shaker, when not having the drilling fluid to return out in the well when the pump stopping connects single or connects the stand, the shale shaker still works, will cause the idle work of screen cloth and premature failure like this, not only cause the loss of screen cloth, the life of shale shaker and motor has been reduced simultaneously. The idle running of shale shaker motor has also wasted the electric energy greatly, and based on this, the embodiment of the utility model provides an automatic control circuit that opens, stops of shale shaker can prolong the cycle that the screen cloth was changed, improves the availability factor of shale shaker, reduces and repairs the shale shaker frequency, practices thrift the power consumption cost.
For the convenience of understanding the present embodiment, the automatic start and stop control circuit for the vibrating screen disclosed in the embodiments of the present invention is first described in detail.
The first embodiment is as follows:
the utility model provides an automatic control circuit that opens, stops of shale shaker, include: the automatic control system comprises a first circuit breaker, a contactor, a relay, a three-gear switch, a thermal relay, a manual control circuit and an automatic control circuit;
the contactor comprises a contactor coil, a contactor main contact and a contactor auxiliary contact;
the relay comprises a relay coil and a relay contact;
the thermal relay comprises a heating element and a thermal relay contact;
the manual control circuit comprises a first switch and a second switch;
the automatic control circuit comprises a photoelectric switch;
the three-gear switch comprises a manual gear, a stop gear and an automatic gear, and is used for switching the automatic control circuit and the manual control circuit;
one end of the first switch is connected with one phase of a three-phase power supply, and the other end of the first switch is connected with one end of the second switch;
the other end of the second switch is connected with one end of the contactor coil, the other end of the contactor coil is connected with the thermal relay contact, and the thermal relay contact is connected with the other phase of the three-phase power supply;
one end of the relay coil is grounded, the other end of the relay coil is connected with one end of the photoelectric switch, and the other end of the photoelectric switch is connected with one phase of the three-phase power supply;
the auxiliary contact of the contactor is connected in parallel with two ends of the second switch;
one end of the relay contact is connected with one phase of a three-phase power supply, and the other end of the relay contact is connected with one end of the contactor coil;
and the three-phase power supply supplies power to the motor sequentially through the first circuit breaker, the contactor main contact and the thermal relay contact.
Preferably, the photoelectric switch is a normally open switch.
Example two:
the embodiment of the utility model provides a two embodiment first working methods have been introduced, specifically, when three shelves of switches regulation to manual shelves, close second switch SB2, the contactor coil is electrified, the contactor main contact is closed, alternating current motor is electrified work;
when the third-gear switch is adjusted to be in automatic gear, after the photoelectric switch is closed, the relay coil is electrified, the relay contact is attracted, the manual circuit is in short circuit, the contactor coil is electrified, the contactor main contact is closed, and the alternating current motor is electrified to work.
Unless specifically stated otherwise, the relative steps, numerical expressions and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. An automatic start and stop control circuit of a vibrating screen is characterized by comprising: the automatic control system comprises a first circuit breaker, a contactor, a relay, a three-gear switch, a thermal relay, a manual control circuit and an automatic control circuit;
the contactor comprises a contactor coil, a contactor main contact and a contactor auxiliary contact;
the relay comprises a relay coil and a relay contact;
the thermal relay comprises a heating element and a thermal relay contact;
the manual control circuit comprises a first switch and a second switch;
the automatic control circuit comprises a photoelectric switch;
the three-gear switch comprises a manual gear, a stop gear and an automatic gear, and is used for switching the automatic control circuit and the manual control circuit;
one end of the first switch is connected with one phase of a three-phase power supply, and the other end of the first switch is connected with one end of the second switch;
the other end of the second switch is connected with one end of the contactor coil, the other end of the contactor coil is connected with the thermal relay contact, and the thermal relay contact is connected with the other phase of the three-phase power supply;
one end of the relay coil is grounded, the other end of the relay coil is connected with one end of the photoelectric switch, and the other end of the photoelectric switch is connected with one phase of the three-phase power supply;
the auxiliary contact of the contactor is connected in parallel with two ends of the second switch;
one end of the relay contact is connected with one phase of a three-phase power supply, and the other end of the relay contact is connected with one end of the contactor coil;
and the three-phase power supply supplies power to the motor sequentially through the first circuit breaker, the contactor main contact and the thermal relay contact.
2. The automatic start and stop control circuit of a vibrating screen as claimed in claim 1, wherein the photoelectric switch is a normally open switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022103429.7U CN213783165U (en) | 2020-09-23 | 2020-09-23 | Automatic start and stop control circuit of vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022103429.7U CN213783165U (en) | 2020-09-23 | 2020-09-23 | Automatic start and stop control circuit of vibrating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213783165U true CN213783165U (en) | 2021-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022103429.7U Expired - Fee Related CN213783165U (en) | 2020-09-23 | 2020-09-23 | Automatic start and stop control circuit of vibrating screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN213783165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085027A (en) * | 2021-11-23 | 2022-02-25 | 中建材佳星玻璃(黑龙江)有限公司 | Automatic circulating wall vibrator mounted on melting bin |
-
2020
- 2020-09-23 CN CN202022103429.7U patent/CN213783165U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114085027A (en) * | 2021-11-23 | 2022-02-25 | 中建材佳星玻璃(黑龙江)有限公司 | Automatic circulating wall vibrator mounted on melting bin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210729 Address after: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: Hebei Provincial Institute of hydrological engineering geology Address before: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee before: CHINA NATIONAL PETROLEUM Corp. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |