CN218913121U

CN218913121U - Intelligent control circuit and control box for submersible pump

Info

Publication number: CN218913121U
Application number: CN202223575012.6U
Authority: CN
Inventors: 汪昱; 周志坚
Original assignee: Hubei World Huineng Technology Co ltd
Current assignee: Hubei World Huineng Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-25
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses an intelligent control circuit and a control box of an oil-submerged pump, comprising: the system comprises a total emergency stop protection module, a main control module, an oiling machine sub-control module and a submersible pump sub-control module; the main control module is externally connected with a distribution box to supply power to the intelligent control circuit of the oil-submerged pump, and is respectively connected with the total emergency stop protection module, the oiling machine sub-control module and the oil-submerged pump sub-control module; under abnormal conditions, the main control module is disconnected with other modules by controlling the total emergency stop protection module to protect the other modules from being damaged; the oiling machine sub-control module and the oil-submerged pump sub-control module are respectively controlled by the main control module.

Description

Intelligent control circuit and control box for submersible pump

Technical Field

The application belongs to the technical field of control equipment of gas stations, and particularly relates to an intelligent control circuit and a control box of a submersible pump.

Background

The safe and stable operation of the equipment of the gas station is the key point of operation management of the gas station, the comprehensive monitoring and real-time early warning of all the equipment of the gas station are the precondition of the safety of the equipment, and the equipment is also the core appeal put forward by the oil station manager. The potential safety hazard of the existing gas station is very large, the conventional gas station needs to pay a large amount of manpower to perform daily management, the management level is behind, and the management center cannot master the situation of each gas station in jurisdiction in real time; the liquid level in the oil tank cannot be monitored, so that excessive oil overflows or the use is affected due to too little oil; when the working state of the oiling machine is required to be known, a worker needs to check the working state nearby the oiling machine, so that the working efficiency is greatly reduced, and the working state of the submersible pump cannot be known in time; the device controllers of the gas stations are distributed in a scattered manner, so that a large amount of manpower and material resources are consumed, and the operation of workers is inconvenient.

Most of the existing oil-submerged pump control boxes use conventional mechanical intermediate relays, so that the energy consumption and consumable materials of components in daily use are relatively large, and the problems of complex process, high skill requirements for daily maintenance personnel, difficulty in maintenance and the like are solved.

Disclosure of Invention

In order to overcome the defects of the prior art, the embodiment of the application provides an intelligent control circuit and a control box for an oil-submerged pump, which realize centralized monitoring on the running condition of the oil-submerged pump and have the advantages of high automation degree, good safety, convenience in operation and the like.

In order to solve the technical problems, an embodiment of the present utility model provides an intelligent control circuit for an oil-submerged pump, the intelligent control circuit for the oil-submerged pump includes: the system comprises a total emergency stop protection module, a main control module, an oiling machine sub-control module and a submersible pump sub-control module; the main control module is externally connected with a distribution box to supply power to the intelligent control circuit of the oil-submerged pump, and is respectively connected with the total emergency stop protection module, the oiling machine sub-control module and the oil-submerged pump sub-control module; under abnormal conditions, the main control module is disconnected with other modules by controlling the total emergency stop protection module to protect the other modules from being damaged; the oiling machine sub-control module and the oil-submerged pump sub-control module are respectively controlled by the main control module.

According to the intelligent control circuit for the oil-submerged pump, which is provided by the embodiment of the utility model, the total emergency stop protection module comprises a total emergency stop switch, a shunt release and an auxiliary contact of a first circuit breaker and a switching-off coil of the first circuit breaker; the total emergency stop switch, the shunt release and the auxiliary contact of the first circuit breaker and the breaking coil of the first circuit breaker are sequentially connected in series.

According to the intelligent control circuit for the oil-submerged pump, which is provided by the embodiment of the utility model, the main control module comprises a switch end of a first circuit breaker, a surge protector and a second circuit breaker; one end of the main control module is externally connected with a distribution box, the other end of the main control module is connected with the switch end of the first circuit breaker, the other end of the switch end of the first circuit breaker is connected with the surge protector, and the surge protector is grounded; one end of the surge protector is also connected with the second circuit breaker and the oiling machine sub-control module, and the other end of the second circuit breaker is connected with the oil-submerged pump sub-control module; the switching-off coil of the first circuit breaker correspondingly controls the switching end of the first circuit breaker.

According to the intelligent control circuit for the submersible pump, which is provided by the embodiment of the utility model, the oiling machine sub-control module comprises a plurality of oiling machine branches, and the oiling machine branches are mutually connected in parallel.

According to the intelligent control circuit for the submersible pump, provided by the embodiment of the utility model, the oiling machine branch circuits comprise the electric leakage circuit breaker, the shunt release and the auxiliary contact of the electric leakage circuit breaker are connected with the switching-off coil of the electric leakage circuit breaker, and the switch end of the electric leakage circuit breaker is connected with the switching-off coil and the oiling machine power supply.

According to the intelligent control circuit for the submersible pump provided by the embodiment of the utility model, the submersible pump sub-control module comprises a plurality of submersible pump branches, and the submersible pump branches are mutually connected in parallel.

According to the intelligent control circuit for the submersible pump provided by the embodiment of the utility model, the submersible pump branch comprises a submersible pump power circuit and a submersible pump module circuit, and the submersible pump power circuit and the submersible pump module circuit are connected in parallel.

According to the intelligent control circuit for the submersible pump, which is provided by the embodiment of the utility model, the submersible pump power supply circuit comprises an alternating current monitoring relay, a single-phase alternating current contactor and a residual current operated circuit breaker, wherein the submersible pump power supply is connected in series and connected among the alternating current monitoring relay, the single-phase alternating current contactor and the residual current operated circuit breaker.

According to the intelligent control circuit for the submersible pump provided by the embodiment of the utility model, the submersible pump module circuit is connected with 220V alternating current and the submersible pump module.

The embodiment of the utility model also provides a control box based on the intelligent control circuit of the oil-submerged pump, which is provided by the embodiment, and comprises a box body, wherein the box body comprises an outer door plate and a case, and the intelligent control circuit of the oil-submerged pump, which is provided by the embodiment, is arranged in the case.

The beneficial effects of the utility model are as follows: according to the intelligent control circuit and the control box for the oil-submerged pump, provided by the embodiment of the utility model, the electronic element is used for replacing a conventional mechanical intermediate relay, so that the energy consumption and the consumable of components are reduced. And the electronic circuit is connected to replace the conventional wire connection, so that the consumable and the process are greatly simplified, the skill requirement of maintenance personnel is reduced, and the cost and the efficiency are reduced. The electronic component has small volume and high integration level, can adopt maximized standard configuration in the aspect of matching quantity of the oiling machine and the oil-submerged pump, realizes batch production, and reduces production cost and logistics cost. Through design standardization, component standardization and production process standardization, standardized configuration and operation and maintenance management of the oil-submerged pump control cabinet of the gas station are realized.

Drawings

Technical solutions and other advantageous effects of the present application will be made apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of an intelligent control circuit of a submersible pump according to an embodiment of the present utility model.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

According to the embodiment of the utility model, most of the oil-submerged pump control boxes in the prior art use conventional mechanical intermediate relays, so that the energy consumption and consumable materials of components in daily use are relatively large, and the problems of complex process, high skill requirements for daily maintenance personnel, difficulty in maintenance and the like are solved. The electronic modularized control system is developed and designed, the traditional intermediate relay mode is replaced based on the multichannel control module, and the electronic modularized control system has the advantages of being faster in working response speed, simple in installation and debugging, low in failure rate and the like.

Specifically, as shown in fig. 1, a schematic diagram of a structure of an intelligent control circuit of an oil-submerged pump according to an embodiment of the present utility model is provided. The embodiment of the utility model provides an intelligent control circuit of an oil-submerged pump, which comprises: the system comprises a total emergency stop protection module, a main control module, an oiling machine sub-control module and a submersible pump sub-control module; the main control module is externally connected with a distribution box to supply power to the intelligent control circuit of the oil-submerged pump, and is respectively connected with the total emergency stop protection module, the oiling machine sub-control module and the oil-submerged pump sub-control module; under abnormal conditions, the main control module is disconnected with other modules by controlling the total emergency stop protection module to protect the other modules from being damaged; the oiling machine sub-control module and the oil-submerged pump sub-control module are respectively controlled by the main control module.

According to the intelligent control circuit for the oil-submerged pump, provided by the embodiment of the utility model, through a modularized circuit design, an electronic element is used for replacing a conventional mechanical intermediate relay, so that the energy consumption and the consumable of components are reduced. And the electronic circuit is connected to replace the conventional wire connection, so that the consumable and the process are greatly simplified, the skill requirement of maintenance personnel is reduced, and the cost and the efficiency are reduced. The electronic component has small volume and high integration level, can adopt maximized standard configuration in the aspect of matching quantity of the oiling machine and the oil-submerged pump, realizes batch production, and reduces production cost and logistics cost.

In one embodiment, the total emergency stop protection module comprises a total emergency stop switch, a first circuit breaker

Shunt release and auxiliary contact (mx+of) OF (DZ 47S C63 4P) and shunt coil (YO) OF first circuit breaker (DZ 47S C63P); the total emergency stop switch, the shunt release OF the first circuit breaker (DZ 47S C63P), the auxiliary contact (MX+OF) and the breaking coil (YO) OF the first circuit breaker (DZ 47S C63P) are sequentially connected in series. In particular, the total scram switch is typically disposed near a gas station checkout counter, and is controlled to be opened or closed by a scram button of the checkout counter. When the scram button of the cashier is pressed, the opening coil (YO) of the first circuit breaker (DZ 47S C63 4P) is electrified to control the main control module to disconnect the circuit, so that other modules are protected from being damaged. The safety of the whole circuit and the timely response speed of the circuit are greatly improved.

In one embodiment, the main control module includes a switching end of a first circuit breaker (DZ 47S C63P), a surge protector (DZ 47Y-40 KA 4P), and a second circuit breaker (DZ 47S C)

4P); one end of the main control module is externally connected with a distribution box, the other end of the main control module is connected with a switch end of the first circuit breaker (DZ 47S C63P), the other end of the switch end of the first circuit breaker (DZ 47S C4P) is connected with the surge protector (DZ 47Y-40 KA 4P), and the surge protector (DZ 47Y-40 KA 4P) is grounded; one end of the surge protector (DZ 47Y-40 KA 4P) is also connected with the second circuit breaker (DZ 47S C63 4P) and the oiling machine sub-control module, and the other end of the second circuit breaker (DZ 47S C4P) is connected with the oil-submerged pump sub-control module; wherein, the opening coil of the first circuit breaker (DZ 47S C63P) correspondingly controls the switch end of the first circuit breaker (DZ 47S C4P). Specifically, the external block terminal of main control module one end provides the power for the circuit, the switch end of first circuit breaker (DZ 47S C63P) receives the control of the opening coil of first circuit breaker (DZ 47S C63 4P), can in time break off the power supply of external block terminal, provides the safety guarantee for whole circuit. Preferably, the first breaker is a DZ47S C63 4P breaker, and other breakers that can achieve similar functions in actual use can be used as alternatives. The surge protector arranged in the main control module is directly grounded, so that the stability of current in the whole circuit is protected, and the damage of current surge is avoided. In this embodiment, the type of the surge protector is DZ47Y-40 ka 4p surge protector, and other surge protectors which can achieve similar functions in the actual use process can also be used as alternative options. The second circuit breaker is a DZ47S C63P circuit breaker, and other circuit breakers which can achieve similar functions in the actual use process can be used as alternative options. The second circuit breaker controls whether the sub-control module of the oil-submerged pump is connected to the intelligent control circuit of the oil-submerged pump or not, and the sub-control module of the oil-submerged pump can be damaged under the condition that the circuit is subjected to high current.

In one embodiment, the fuel dispenser sub-control module comprises a plurality of fuel dispenser branches, and each fuel dispenser branch is connected in parallel. The oiling machine branch circuits all comprise an electric leakage breaker, a shunt release and an auxiliary contact of the electric leakage breaker are connected with a breaking coil of the electric leakage breaker, and a switch end of the electric leakage breaker is connected with the breaking coil and an oiling machine power supply.

Specifically, in this embodiment, the fuel dispenser sub-control module is preferably formed by connecting 6 fuel dispenser branches in parallel. The fuel dispenser branches correspond to the number of fuel dispensers in the gas station, and one branch corresponds to one fuel dispenser. In this embodiment, 6 branches are taken as an example. The oil filling branch No. 1 of the No. 1 oiling machine comprises one electric leakage breaker, and the model of the electric leakage breaker is preferably DZ47PLEY-63C16 electric leakage breaker. The shunt release and the auxiliary contact (MX+OF) OF the residual current circuit breaker (DZ 47PLEY-63C 16) are arranged near the cash register, and can be used as an emergency stop button OF the first oiling machine, so that the circuit OF the first oiling machine can be disconnected in time. The opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) correspondingly controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16), and the switch of the electric leakage breaker (DZ 47PLEY-63C 16) is connected with the power supply of the No. 1 oiling machine. When the emergency stop button of the No. 1 oiling machine is pressed, the opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16) to be opened, and the power supply of the No. 1 oiling machine is disconnected, so that the circuit of the No. 1 oiling machine is protected from being damaged.

Specifically, the No. 2 oiling branch of the No. 2 oiling machine comprises one electric leakage breaker, and the model of the electric leakage breaker is preferably DZ47PLEY-63C16 electric leakage breaker. The shunt release and the auxiliary contact (MX+OF) OF the residual current circuit breaker (DZ 47PLEY-63C 16) are arranged near the cash register, and can be used as an emergency stop button OF the first oiling machine, so that the circuit OF the first oiling machine can be disconnected in time. The opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) correspondingly controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16), and the switch of the electric leakage breaker (DZ 47PLEY-63C 16) is connected with the power supply of the No. 2 oiling machine. When the emergency stop button of the No. 2 oiling machine is pressed, the opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16) to be opened, and the power supply of the No. 2 oiling machine is disconnected, so that the circuit of the No. 2 oiling machine is protected from being damaged.

The oil filling branch No. 3 of the No. 3 oiling machine comprises one electric leakage breaker, and the model of the electric leakage breaker is preferably DZ47PLEY-63C16 electric leakage breaker. The shunt release and the auxiliary contact (MX+OF) OF the residual current circuit breaker (DZ 47PLEY-63C 16) are arranged near the cash register, and can be used as an emergency stop button OF the first oiling machine, so that the circuit OF the first oiling machine can be disconnected in time. The opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) correspondingly controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16), and the switch of the electric leakage breaker (DZ 47PLEY-63C 16) is connected with the power supply of the No. 3 oiling machine. When the emergency stop button of the No. 3 oiling machine is pressed, the opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16) to be opened, and the power supply of the No. 3 oiling machine is disconnected, so that the circuit of the No. 3 oiling machine is protected from being damaged.

The oil filling branch No. 4 of the No. 4 oiling machine comprises one electric leakage breaker, and the model of the electric leakage breaker is preferably DZ47PLEY-63C16 electric leakage breaker. The shunt release and the auxiliary contact (MX+OF) OF the residual current circuit breaker (DZ 47PLEY-63C 16) are arranged near the cash register, and can be used as an emergency stop button OF the first oiling machine, so that the circuit OF the first oiling machine can be disconnected in time. The opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) correspondingly controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16), and the switch of the electric leakage breaker (DZ 47PLEY-63C 16) is connected with the power supply of the No. 4 oiling machine. When the emergency stop button of the No. 4 oiling machine is pressed, the opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16) to be opened, and the power supply of the No. 4 oiling machine is disconnected, so that the circuit of the No. 4 oiling machine is protected from being damaged.

The No. 5 oiling branch of the No. 5 oiling machine comprises one electric leakage breaker, and the model of the electric leakage breaker is preferably DZ47PLEY-63C16 electric leakage breaker. The shunt release and the auxiliary contact (MX+OF) OF the residual current circuit breaker (DZ 47PLEY-63C 16) are arranged near the cash register, and can be used as an emergency stop button OF the first oiling machine, so that the circuit OF the first oiling machine can be disconnected in time. The opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) correspondingly controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16), and the switch of the electric leakage breaker (DZ 47PLEY-63C 16) is connected with the power supply of the No. 5 oiling machine. When the emergency stop button of the No. 5 oiling machine is pressed, the opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16) to be opened, and the power supply of the No. 5 oiling machine is disconnected, so that the circuit of the No. 5 oiling machine is protected from being damaged.

The No. 6 oiling branch of the No. 6 oiling machine comprises one electric leakage breaker, and the model of the electric leakage breaker is preferably DZ47PLEY-63C16 electric leakage breaker. The shunt release and the auxiliary contact (MX+OF) OF the residual current circuit breaker (DZ 47PLEY-63C 16) are arranged near the cash register, and can be used as an emergency stop button OF the first oiling machine, so that the circuit OF the first oiling machine can be disconnected in time. The opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) correspondingly controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16), and the switch of the electric leakage breaker (DZ 47PLEY-63C 16) is connected with the power supply of the No. 6 oiling machine. When the emergency stop button of the No. 6 oiling machine is pressed, the opening coil (YO) of the electric leakage breaker (DZ 47PLEY-63C 16) controls the switch of the electric leakage breaker (DZ 47PLEY-63C 16) to be opened, and the power supply of the No. 6 oiling machine is disconnected, so that the circuit of the No. 6 oiling machine is protected from being damaged.

The 6 oiling branches are mutually connected in parallel to form the oiling machine sub-control module, the 6 oiling branches are mutually independent, and each oiling branch is respectively controlled by the residual current circuit breaker in each branch.

In one embodiment, the sub-control module of the oil-submerged pump comprises a plurality of sub-oil-submerged pump branches, and the sub-oil-submerged pump branches are mutually connected in parallel. The submersible pump branch comprises a submersible pump power circuit and a submersible pump module circuit, and the submersible pump power circuit is connected with the submersible pump module circuit in parallel. The submersible pump power supply circuit comprises an alternating current monitoring relay, a single-phase alternating current contactor and a residual current operated circuit breaker, wherein the alternating current monitoring relay, the single-phase alternating current contactor and the residual current operated circuit breaker are connected in series and connected with a submersible pump power supply. The oil submerged pump module is connected with 220V alternating current through a circuit.

Specifically, in this embodiment, the sub-control module of the oil-submerged pump is preferably composed of 4 oil-submerged pump branches. The 4 oil-submerged pump branches are mutually connected in parallel and are controlled independently. In this embodiment, the submersible pump power supply circuit in each submersible pump branch circuit includes an ac current monitoring relay, a single-phase ac contactor and a residual current operated circuit breaker, wherein the type of the ac current monitoring relay is preferably a GRI8-03 relay, the type of the single-phase ac contactor is preferably a CDCH8S-20 ac contactor, the type of the residual current operated circuit breaker is preferably an NXBLE-63y c20 circuit breaker, and other components capable of achieving similar functions in the actual use process can also be used as alternative options. In the No. 1 submersible pump branch, the alternating current monitoring relay (GRI 8-03), the single-phase alternating current contactor (CDCH 8S-20) and the residual current operated circuit breaker (NXBLE-63Y C20) are connected in series, and the residual current operated circuit breaker (NXBLE-63Y C20) is connected with the No. 1 submersible pump power supply to form a No. 1 submersible pump power supply circuit. In the No. 1 submersible pump module circuit, the No. 1 submersible pump module is connected with 220V alternating current to form the No. 1 submersible pump module circuit. And a No. 1 submersible pump branch is formed by connecting a No. 1 submersible pump power circuit and a No. 1 submersible pump module circuit in parallel.

Correspondingly, in the No. 2 submersible pump branch, the alternating current monitoring relay (GRI 8-03), the single-phase alternating current contactor (CDCH 8S-20) and the residual current operated circuit breaker (NXBLE-63Y C20) are connected in series, and the residual current operated circuit breaker (NXBLE-63Y C20) is connected with the No. 2 submersible pump power supply to form a No. 2 submersible pump power supply circuit. In the No. 2 submersible pump module circuit, the No. 2 submersible pump module is connected with 220V alternating current to form the No. 2 submersible pump module circuit. And a No. 2 submersible pump branch is formed by connecting a No. 2 submersible pump power circuit and a No. 2 submersible pump module circuit in parallel.

In the No. 3 submersible pump branch, the alternating current monitoring relay (GRI 8-03), the single-phase alternating current contactor (CDCH 8S-20) and the residual current operated circuit breaker (NXBLE-63Y C20) are connected in series, and the residual current operated circuit breaker (NXBLE-63Y C20) is connected with the No. 3 submersible pump power supply to form a No. 3 submersible pump power supply circuit. In the No. 3 submersible pump module circuit, the No. 3 submersible pump module is connected with 220V alternating current to form the No. 3 submersible pump module circuit. And a No. 3 submersible pump branch is formed by connecting a No. 3 submersible pump power circuit and a No. 3 submersible pump module circuit in parallel.

In the No. 4 submersible pump branch, the alternating current monitoring relay (GRI 8-03), the single-phase alternating current contactor (CDCH 8S-20) and the residual current operated circuit breaker (NXBLE-63Y C20) are connected in series, and the residual current operated circuit breaker (NXBLE-63Y C20) is connected with the No. 4 submersible pump power supply to form a No. 4 submersible pump power supply circuit. In the No. 4 submersible pump module circuit, the No. 4 submersible pump module is connected with 220V alternating current to form the No. 4 submersible pump module circuit. And a No. 4 submersible pump branch is formed by connecting a No. 4 submersible pump power circuit and a No. 4 submersible pump module circuit in parallel.

The 4 oil-submerged pump branches are mutually connected in parallel to form the oil-submerged pump sub-control module, the 4 oil-submerged pump branches are mutually independent, and each 4 oil-submerged pump branch is respectively controlled by a breaker in each branch.

According to the intelligent control circuit and the control box for the oil-submerged pump, provided by the embodiment of the utility model, the electronic element is used for replacing a conventional mechanical intermediate relay, so that the energy consumption and the consumable of components are reduced. And the electronic circuit is connected to replace the conventional wire connection, so that the consumable and the process are greatly simplified, the skill requirement of maintenance personnel is reduced, and the cost and the efficiency are reduced. The electronic component has small volume and high integration level, can adopt maximized standard configuration in the aspect of matching quantity of the oiling machine and the oil-submerged pump, realizes batch production, and reduces production cost and logistics cost. Through design standardization, component standardization and production process standardization, standardized configuration and operation and maintenance management of the oil-submerged pump control cabinet of the gas station are realized.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the utility model. Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.

The intelligent control circuit and the control box of the oil-submerged pump provided by the embodiment of the application are described in detail, and specific examples are applied to the description of the principle and the implementation mode of the application, and the description of the above embodiments is only used for helping to understand the technical scheme and the core idea of the application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. The utility model provides an oil immersed pump intelligent control circuit which characterized in that, oil immersed pump intelligent control circuit includes: the system comprises a total emergency stop protection module, a main control module, an oiling machine sub-control module and a submersible pump sub-control module; the main control module is externally connected with a distribution box to supply power to the intelligent control circuit of the oil-submerged pump, and is respectively connected with the total emergency stop protection module, the oiling machine sub-control module and the oil-submerged pump sub-control module; under abnormal conditions, the main control module is disconnected with other modules by controlling the total emergency stop protection module to protect the other modules from being damaged; the oiling machine sub-control module and the oil-submerged pump sub-control module are respectively controlled by the main control module.

2. The intelligent control circuit of the submersible pump according to claim 1, wherein the total emergency stop protection module comprises a total emergency stop switch, a shunt release and an auxiliary contact of a first circuit breaker, and a shunt coil of the first circuit breaker; the total emergency stop switch, the shunt release and the auxiliary contact of the first circuit breaker and the breaking coil of the first circuit breaker are sequentially connected in series.

3. The intelligent control circuit of the submersible pump according to claim 2, wherein the main control module comprises a switch end of a first circuit breaker, a surge protector and a second circuit breaker; one end of the main control module is externally connected with a distribution box, the other end of the main control module is connected with the switch end of the first circuit breaker, the other end of the switch end of the first circuit breaker is connected with the surge protector, and the surge protector is grounded; one end of the surge protector is also connected with the second circuit breaker and the oiling machine sub-control module, and the other end of the second circuit breaker is connected with the oil-submerged pump sub-control module; the switching-off coil of the first circuit breaker correspondingly controls the switching end of the first circuit breaker.

4. The intelligent control circuit of the submersible pump according to claim 3, wherein the fuel dispenser sub-control module comprises a plurality of fuel dispenser branches, and the fuel dispenser branches are mutually connected in parallel.

5. The intelligent control circuit of the submersible pump according to claim 4, wherein the oil feeder branches comprise an electric leakage breaker, a shunt release and an auxiliary contact of the electric leakage breaker are connected with a switching-off coil of the electric leakage breaker, and a switch end of the electric leakage breaker is connected with the switching-off coil and an oil feeder power supply.

6. The intelligent control circuit of the submersible pump according to claim 3, wherein the submersible pump sub-control module comprises a plurality of submersible pump branches, and the submersible pump branches are mutually connected in parallel.

7. The submersible pump intelligent control circuit of claim 6, wherein the submersible pump branch comprises a submersible pump power circuit and a submersible pump module circuit, the submersible pump power circuit and the submersible pump module circuit being connected in parallel.

8. The submersible pump intelligent control circuit according to claim 7, wherein the submersible pump power supply circuit comprises an alternating current monitoring relay, a single-phase alternating current contactor and a residual current operated circuit breaker, wherein the submersible pump power supply is connected in series and connected among the alternating current monitoring relay, the single-phase alternating current contactor and the residual current operated circuit breaker.

9. The submersible pump intelligent control circuit of claim 7, wherein the submersible pump module circuit is connected to 220 vac and the submersible pump module.

10. A control box based on the intelligent control circuit of the submersible pump according to any one of claims 1 to 9, characterized in that the intelligent control box of the submersible pump comprises a box body, the box body comprises an outer door plate and a case, and the intelligent control circuit of the submersible pump according to any one of claims 1 to 9 is arranged in the case.