Flood prevention system of outdoor pump station
Technical Field
The utility model relates to the technical field of secondary water supply, in particular to a flooding prevention system of an outdoor pump station.
Background
Urban water supply systems are increasingly important as an infrastructure supporting the development of socioeconomic performance. Especially in modern agricultural irrigation, urban water supply network expansion and emergency drainage system construction, the demands for efficient, energy-saving and intelligent miniature pump stations are rapidly increasing. However, the conventional pump station has difficulty in meeting the requirements of the current and future society for the intellectualization and the refinement of the water resource management due to the inherent defects of large occupied area, high energy consumption, complex maintenance, high cost and the like.
Especially in rural areas, communication base stations and outdoor environments, the application of miniature pump stations is important in the scene that a fixed pump house is difficult to construct. However, these areas often face challenges such as complex and variable natural conditions, frequent extreme weather (such as severe water accumulation caused by heavy storm), and the like, and extremely high requirements are put on the flooding prevention capability and stable operation of the micro pump station.
Most miniature pump stations in the current market strive for compactness and high efficiency, but generally lack an effective flood prevention system, once flood or storm attack is encountered, the problem of failure caused by water pump motor water inflow, pump set base and water inflow pipe fitting immersed by water is extremely easy to occur, the normal operation of the pump station is seriously influenced, and the waste of water resources and the damage of equipment are also caused.
In addition, in the summer high-temperature environment, the miniature pump station has a compact structure and limited internal space, and the heat dissipation problem is particularly remarkable. The design of a heat dissipation system of a part of miniature pump stations on the market is still immature, challenges brought by high-temperature environments are difficult to effectively cope with, and the ageing acceleration of an electric circuit, the overhigh temperature inside a motor and a control cabinet are caused, so that potential safety hazards such as overheat protection starting, damage of the motor and even short circuit of the control cabinet are caused, and the service life and the operation stability of the pump stations are seriously influenced.
In order to solve at least one technical problem, the utility model provides a flooding prevention system of an outdoor pump station.
Disclosure of utility model
The utility model aims to provide a flooding prevention system of an outdoor pump station, which can improve the waterproof performance of the outdoor pump station.
The utility model adopts the following technical scheme:
The utility model discloses a flooding prevention system of an outdoor pump station, which comprises an electric part and a unit part;
The flooding prevention system includes:
The shell comprises a shell body and a separation outlet plate, the separation outlet plate divides the shell body into a first shell body and a second shell body which are mutually independent, the first shell body is positioned above the second shell body, the first shell body accommodates the electric part, and the second shell body accommodates the unit part;
a drain assembly disposed on the second housing;
The liquid level detection assembly is arranged below the unit part and is connected with an external protection loop.
Further, the unit part comprises a motor;
The protection loop comprises an alarm and a contactor which are connected in parallel;
The liquid level detection assembly includes:
the first liquid level sensor is connected with the alarm;
the second liquid level sensor is arranged above the first liquid level sensor and is positioned below the motor, and the second liquid level sensor is connected with the contactor.
Further, the distance between the first liquid level sensor and the ground is larger than or equal to a first preset threshold value;
the distance between the first liquid level sensor and the second liquid level sensor is larger than or equal to a second preset threshold value;
the distance between the second liquid level sensor and the motor is larger than or equal to a third preset threshold value;
wherein the first preset threshold, the second preset threshold and the third preset threshold are all greater than 0.
Further, one end of the contactor is connected with the motor, and the other end of the contactor is connected with an external power supply.
Further, the second shell comprises a top plate, a bottom plate and a side plate, wherein the top plate is connected with a first end of the side plate and is connected with the first shell, and the bottom plate is connected with a second end, opposite to the first end, of the side plate;
The drain assembly includes:
and the lower drain hole is arranged on the bottom plate.
Further, the flooding prevention system comprises a bracket, wherein the bracket is arranged below the bottom plate;
the distance between the bottom plate and the ground is larger than or equal to a fourth preset threshold value, and the fourth preset threshold value is larger than 0.
Further, the machine unit part comprises a motor, and the drainage assembly comprises:
and the side drain hole is arranged on the side plate and is positioned below the motor.
Further, the distance between the side drain hole and the motor is greater than or equal to a fifth preset threshold, and the fifth preset threshold is greater than 0.
Further, the flooding prevention system further comprises a heat dissipation assembly, the heat dissipation assembly comprising:
A first heat radiation fan disposed on the first housing;
the second cooling fan is arranged on the second shell.
Further, the heat dissipation assembly includes:
A first exhaust grill disposed on the first housing;
And the second exhaust grid is arranged on the second shell.
Compared with the prior art, the utility model has the beneficial effects that at least:
According to the utility model, the air part and the unit part are respectively arranged in the first shell and the second shell which are independent and separated in position, so that the electric components and the unit components are effectively isolated, the risks of electric short circuit and mechanical faults caused by flooding are reduced, and internal equipment can be protected from damage to a certain extent even if the external environment is flooded.
In addition, the drainage assembly can rapidly remove accumulated water in the second shell, the detection assembly can monitor the water level condition below the unit in real time, and once the water level exceeds a safety threshold, an alarm is triggered or an external power supply is cut off through an external protection loop connected with the detection assembly, so that equipment is prevented from running continuously under dangerous water level, and equipment damage and potential safety accidents caused by flooding are reduced.
Drawings
Fig. 1 is a schematic structural diagram of a flooding system according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of another structure of a flooding system according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a part of the protection circuit according to an embodiment of the present utility model.
Fig. 4 is a schematic view of a part of the structure of a protection circuit according to an embodiment of the present utility model.
Fig. 5 is a schematic view of a part of the protection circuit according to an embodiment of the present utility model.
1, A machine shell, 13, a separation outlet plate, 121, a first shell, 122, a second shell, 1221, a top plate, 1222, a bottom plate, 1223, a side plate, 31, a first liquid level sensor, 32, a second liquid level sensor, 41, a lower drain hole, 42, a side drain hole, 51, a first cooling fan, 53, a first air exhaust grid, 54, a second air exhaust grid, 6, a bracket, 200, a motor, 201, a water outlet, 202 and a water inlet.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted.
The words expressing the positions and directions described in the present utility model are described by taking the drawings as an example, but can be changed according to the needs, and all the changes are included in the protection scope of the present utility model.
Aiming at the two key problems of insufficient flooding prevention capability and poor performance of a heat dissipation system of the current outdoor miniature pump station, the utility model provides a flooding prevention system of an outdoor pump station. In order to improve the waterproof performance of an outdoor pump station, the flood prevention system comprises a shell 1, a drainage assembly and a liquid level detection assembly. Furthermore, in order to improve the heat radiation performance of the outdoor pump station, the flooding prevention system of the utility model can further comprise a heat radiation component. Furthermore, in order to improve the stability and drainage effect of the outdoor pump station, the flooding prevention system of the utility model can further comprise a bracket 6.
Referring to fig. 1, the cabinet 1 of the present utility model includes a housing and a separation outlet plate 13, the separation outlet plate 13 dividing the housing into a first housing 121 and a second housing 122 independent of each other, the first housing 121 being located above the second housing 122, the first housing 121 accommodating an electrical part, the second housing 122 accommodating a unit part, a water inlet 202 and a water outlet 201 of the unit part being mounted on the second housing 122. By arranging the electrical part and the unit part of the outdoor pump station in the first shell 121 and the second shell 122 which are independent and separated in position, potential electrical and water immersion risks are effectively isolated.
In some preferred embodiments, the second housing 122 includes a top plate 1221, a bottom plate 1222, and a side plate 1223, the top plate 1221 being connected to a first end of the side plate 1223 and to the first housing 121, the bottom plate 1222 being connected to a second end of the side plate 1223 opposite the first end.
The drainage assembly of the present utility model is disposed on the second housing 122 and below the unit portion to prevent the damage of the unit portion by the accumulated water.
In some preferred embodiments, referring to FIG. 2, the drain assembly includes a lower drain hole 41 and a side drain hole 42. The side drain hole 42 is disposed on the side plate 1223 and is located below the motor 200, so that accumulated water around the motor 200 can be effectively drained, the motor 200 is prevented from being wetted and shorted, and the overall waterproof performance of the system and the operation safety of the motor 200 are improved. Further, the distance between the side drain hole 42 and the motor 200 is greater than or equal to a fifth preset threshold, wherein the fifth preset threshold is greater than 0. The minimum distance between the side drain hole 42 and the motor 200, that is, the magnitude of the fifth preset threshold, can be set by a person skilled in the art according to practical situations, so that adverse effects on the motor 200 when the drain hole drains water can be avoided while the drain effect is ensured, and the safety and reliability of the system are further improved. In addition, the lower drain hole 41 is provided on the bottom plate 1222 so that the accumulated water can be rapidly drained from the bottom, avoiding the soaking of the unit part by the accumulated water. In practical application, a plurality of lower drain holes 41 and side drain holes 42 may be provided.
The bracket 6 is arranged below the bottom plate 1222, so that the supporting performance of the system can be improved, and the distance between the bottom plate 1222 and the ground can be larger than or equal to a fourth preset threshold value, wherein the fourth preset threshold value is larger than 0. The size of the fourth preset threshold value can be flexibly adjusted according to actual site conditions by a person skilled in the art so as to adapt to different drainage requirements and waterproof standards, the adaptability and the flexibility of the system are improved, and the drainage effect and the waterproof capability are further enhanced.
In some preferred embodiments, the cross beam is disposed on the support 6, and a plurality of water pipes adapted to the lower drain holes 41 are disposed on the cross beam, so that the accumulated water in the second housing 122 is introduced into the external water storage unit, and not only can the discharged water be prevented from entering the second housing 122 for a second time, but also the accumulated water can be recovered, reused, and water resources are saved.
The liquid level detection assembly is arranged below the unit part, and is connected with the external protection loop, so that the water level condition below the unit part can be monitored in real time, and once the water level exceeds the safety threshold, an alarm is triggered or an external power supply F0-1 is cut off through the connected external protection loop, so that equipment is prevented from running continuously under dangerous water level, and equipment damage and potential safety accidents caused by flooding are reduced.
In some preferred embodiments, referring to fig. 4, the protection circuit includes an alarm LB and a contactor KM in parallel, and the alarm LB is connected in series with a first relay switch KA33, and the contactor KM is connected in series with a second relay switch KA34, wherein the first relay switch KA33 is in a normally open state and the second relay switch KA34 is in a normally closed state. Referring to fig. 5, one end of the contactor KM is connected to the motor 200, and the other end of the contactor KM is connected to the incoming line terminal block TX1 connected to the external power supply F0-1, it can be seen that the contactor directly controls the external power supply F0-1 of the motor 200, and when a dangerous water level is detected, the external power supply F0-1 can be rapidly cut off, so that the motor 200 is prevented from continuing to operate in a dangerous environment, thereby protecting the motor 200 from being flooded, and prolonging the service life of the apparatus.
In some preferred embodiments, the fluid level detection assembly includes a first fluid level sensor 31 and a second fluid level sensor 32. The second liquid level sensor 32 is disposed above the first liquid level sensor 31 and below the motor 200. By providing two first 31 and second 32 liquid level sensors of different heights), a staged response mechanism can be implemented in combination with the parallel alarm LB and contactor KM. When the water level reaches a lower threshold value, an alarm is triggered to remind maintenance, and when the water level continues to rise to a higher threshold value, the external power supply F0-1 of the motor 200 is automatically cut off, the motor 200 is prevented from being damaged, and the safety and the intelligent level of the flooding prevention system are further improved. Further, the distance between the first liquid level sensor 31 and the ground is greater than or equal to a first preset threshold value, the distance between the first liquid level sensor 31 and the second liquid level sensor 32 is greater than or equal to a second preset threshold value, and the distance between the second liquid level sensor 32 and the motor 200 is greater than or equal to a third preset threshold value, wherein the first preset threshold value, the second preset threshold value and the third preset threshold value are all greater than 0. The person skilled in the art can set the preset threshold between each sensor and the motor 200, so that false alarm can be avoided, the system can be ensured to take proper protective measures under different water level conditions, the accuracy and timeliness of system response are ensured, and the reliability and stability of the system are further improved.
In practical application, the first liquid level sensor 31 and the second liquid level sensor 32 are both floating ball reactors. The first liquid level sensor 31 is placed at the height of the water inlet 202 of the water pump, and the second liquid level sensor 32 is arranged at the position 30-50 mm below the motor.
In some preferred embodiments, the first level sensor 31 is connected to an alarm. Specifically, referring to FIG. 3, a first liquid level sensor 31 is connected to a first relay switch KA33 in series with the alarm. When the first liquid level sensor 31 detects no water level, the common end and the control end of the first liquid level sensor 31 are opened, the first relay switch KA33 is in a normally open state, when the first liquid level sensor 31 detects the water level, the common end and the control end of the first liquid level sensor 31 are in short circuit, the first relay switch KA33 is closed, and at the moment, the alarm device sends an alarm signal. In practical application, the alarm signal is transmitted to the control cabinet and then to the general monitoring network of the manufacturer.
In some preferred embodiments, the second level sensor 32 is connected to a contactor. Specifically, referring to FIG. 3, the second level sensor 32 is connected to a second relay switch KA34 in series with the contactor. When the second liquid level sensor 32 detects no water level, the public end and the control end of the second liquid level sensor 32 are opened, the second relay switch KA34 is in a normally closed state, and the unit part can normally operate at the moment, when the second liquid level sensor 32 detects the water level, the public end and the control end of the second liquid level sensor are in short circuit, and when the second relay switch KA34 is opened, the contactor directly cuts off an external power supply F0-1 of the control motor 200, so that the motor 200 is prevented from continuously operating in a dangerous environment.
The heat dissipating assembly of the present utility model includes a first heat dissipating fan 51 and a second heat dissipating fan. Further, the heat dissipation assembly may further include a first air exhaust grid 53 and a second air exhaust grid 54. Through setting up the radiator unit, can effectively improve the inside ventilation condition of equipment, the heat accumulation that produces when reducing equipment operation improves the radiating efficiency and the operating stability of equipment, extension equipment's life.
In some preferred embodiments, the first heat radiation fan 51 and the first exhaust grill 53 are both disposed on the first housing 121, and the second heat radiation fan and the second exhaust grill 54 are disposed on the second housing 122. Through set up the grid of airing exhaust respectively on first casing 121 and second casing 122, formed independent heat dissipation passageway, dispel the heat to electric portion and unit portion respectively, improved radiating efficiency, reduced the heat cross influence, further ensured the normal operating and the stability of equipment.
In summary, the air part and the unit part are respectively arranged in the first shell 121 and the second shell 122 which are mutually independent and separated, so that the electric components and the unit components are effectively isolated, the risks of electric short circuit and mechanical faults caused by flooding are reduced, and the internal equipment can be protected from damage to a certain extent even if the external environment is flooded. In addition, the drainage assembly can rapidly remove accumulated water in the second shell 122, the detection assembly can monitor the water level condition below the unit in real time, and once the water level exceeds a safety threshold, an alarm is triggered or an external power supply F0-1 is cut off through the connected external protection loop, so that equipment is prevented from running continuously at dangerous water levels, and equipment damage and potential safety accidents caused by flooding are reduced.
While embodiments of the present utility model have been shown and described, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that changes, modifications, substitutions and alterations may be made therein by those of ordinary skill in the art without departing from the spirit and scope of the utility model, all such changes being within the scope of the appended claims.