CN211690709U - Anti-backflow drainage system for underground layer water collecting well of transformer substation - Google Patents

Abstract

The utility model discloses a drainage system is prevented flowing backward by transformer substation's stratum sump pit, including the partition box that is located the sump pit bottom, be equipped with a plurality of automatic immersible pumps in the partition box, a plurality of all be connected with the branch pipe on the automatic immersible pump, each branch pipe is connected to a total drain pipe jointly; each divide all to be provided with first one-way check valve on the pipe, be provided with the one-way check valve of second on the main drainage pipe, be provided with the high level sensor and the low level sensor that detect the water level respectively on the partition box. The water level change in the water collecting well is monitored in real time through the arranged high-level sensor and the low-level sensor, and the plurality of automatic submersible pumps are divided into a main submersible pump which automatically works and an auxiliary submersible pump which selectively works; the high-level sensor and the low-level sensor transmit water level signals to the central control module, and the central control module controls the opening and closing of the main submersible pump and the auxiliary submersible pump through electric signals, so that the drainage efficiency of the water collecting well is improved.

Description

Anti-backflow drainage system for underground layer water collecting well of transformer substation

Technical Field

The utility model relates to a drainage technical field, concretely relates to drainage system is prevented flowing backward by transformer substation's stratum catch basin.

Background

The water collecting well is located at the lowest position of the building facility, and when the water level is collected to a certain height, water is pumped out by a water pump and is discharged to tail water, wherein the water is mainly an elevator well and a pump house auxiliary building. Place a immersible pump in the sump pit, the immersible pump adopts the hose to link, and the immersible pump adopts manual control, and some following problem points exist in this kind of technique: when a single submersible pump breaks down, accumulated water cannot be dredged in time, so that accumulated water in a cable layer is caused; moreover, the submerged pump is manually controlled, accumulated water cannot be drained in real time, a one-way check valve is not arranged in the drainage pipeline, and accumulated water outside the station flows through the drainage pipeline and flows back to the indoor space.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a drainage system is prevented flowing backward by transformer substation's stratum catchment well through the mounting structure who sets up automatic immersible pump and immersible pump more than two, effectual solution single immersible pump breaks down then ponding can not in time be dredged and cause cable layer ponding, need manual control immersible pump and can not the real-time problem of getting rid of ponding, has still solved the outer ponding of station simultaneously and has flowed backward through the indoor problem of drainage pipe flowing backward.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a transformer substation underground layer water collecting well backflow prevention drainage system comprises a partition box positioned at the bottom of a water collecting well, wherein at least one automatic submersible pump is arranged in the partition box, each automatic submersible pump is connected with a branch pipe, and each branch pipe is connected to a main drainage pipe; each branch pipe is provided with a first one-way check valve, and the main water drainage pipe is provided with a second one-way check valve;

the control module is electrically connected with the automatic submersible pump; the compartment is provided with a high sensor and a low sensor which are used for detecting water levels at a high limit value and a low limit value respectively, and the high sensor and the low sensor are both electrically connected with the control module; when the water level exceeds a high limit value, the control module controls the automatic submersible pump to be started; when the water level is lower than the low limit value, the control module controls the automatic submersible pump to be closed.

As an optimized scheme of the utility model, the top of partition box is provided with and is latticed apron, just the gauze has been laid on the apron surface.

As an optimized proposal of the utility model, the number of the automatic submersible pumps is at least two.

As an optimized scheme of the utility model, the total drain pipe top is provided with water level alarm, water level alarm specifically is bee calling organ, just water level alarm connects high level sensor and low level sensor.

As an optimal scheme of the utility model, the branch pipe passes through hard tube and automatic immersible pump fixed connection.

The utility model discloses an embodiment has following advantage:

(1) the utility model can effectively prevent the accumulated water from flowing backwards by arranging the one-way check valve;

(2) at least two submersible pumps are adopted, so that accumulated water can be drained in time when a single water pump is damaged;

(3) the hard pipe is connected and fixedly installed, so that the firm installation of the drainage pipeline and the submersible pump is ensured;

the utility model can conveniently clean the silt and has the function of preventing small animals; in addition, when the water level alarm inductive probe detects that the water level exceeds the standard, an alarm signal can be sent out immediately to prompt operating personnel to take measures in time.

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 description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a block diagram of a backflow prevention drainage system in an embodiment of the present invention.

In the figure:

1-separating the box; 2-automatic submersible pump; 3-pipe separation; 4-a main drain pipe; 5-a first one-way check valve; 6-a second one-way check valve; 7-high sensor; 8-low sensor; 9-cover plate; 10-a gauze; 11-water level alarm.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, the utility model provides a drainage system is prevented flowing backward by transformer substation's stratum catch basin, including the partition box 1 that is located the catch basin bottom, be equipped with a plurality of automatic immersible pumps 2 in the partition box 1, a plurality of all be connected with on the automatic immersible pump 2 and be in charge of 3, respectively in charge of 3 common connections on total drain pipe 4.

Wherein, every is connected automatic immersible pump 2 and all is provided with first one-way check valve 5 on managing 3, is provided with second one-way check valve 6 on the total drainage pipe 4, and first one-way check valve 5 and second one-way check valve 6 are used for preventing the water against the current. Further, the compartment 1 is provided with a high level sensor 7 and a low level sensor 8, which detect the water level, respectively.

The system also comprises a control module which is electrically connected with the automatic submersible pump 2; the compartment 1 is provided with a high sensor 7 and a low sensor 8 which respectively detect the water level at a high limit value and a low limit value, and both the high sensor 7 and the low sensor 8 are electrically connected with the control module; when the water level exceeds a high limit value, the control module controls the automatic submersible pump to be started; when the water level is lower than the low limit value, the control module controls the automatic submersible pump to be closed.

Specifically, the number of the automatic submersible pumps 2 is at least two, and the branch pipes 3 are fixedly connected with the automatic submersible pumps 2 through hard pipes. When the water level exceeds a high limit value, the automatic submersible pump is started; and when the water level is lower than the low limit value, the automatic submersible pump is closed.

In this embodiment, the delivery port of the automatic submersible pump 2 is connected with the branch pipe 3, and the main drain pipe 4 is provided with the second one-way check valve 6 to prevent water from flowing backwards, thereby avoiding the problem of backward flow.

The top of the compartment 1 is provided with a latticed cover plate 9, a gauze 10 is laid on the surface of the cover plate 9, the latticed cover plate 9 can be used for conveniently observing the condition of the water collecting well, and the gauze 10 is used for preventing small animals from climbing into the water collecting well. When the interior of the compartment 1 needs to be cleaned and maintained, only the cover plate 9 needs to be opened.

In this embodiment, a water level alarm 11 electrically connected with the alarm module is arranged at the top of the main water drainage pipe 4, the water level alarm 11 is specifically a buzzer, the water level alarm 11 is connected with the high-level sensor 7 and the low-level sensor 8, and the water level change in the water collecting well is monitored in real time through the arranged high-level sensor 7 and the low-level sensor 8; when the water level is too high or too low, the alarm 11 gives an alarm.

In the embodiment, a main automatic submersible pump and a standby automatic submersible pump are installed at the bottom of the water collecting well, and the automatic submersible pumps 2 are divided into a main submersible pump which automatically works and an auxiliary submersible pump which selectively works; the high-level sensor 7 and the low-level sensor 8 transmit water level signals to a central control module, the central control module can be an STC51 single chip microcomputer, and the central control module controls the opening and closing of the main submersible pump and the auxiliary submersible pump through electric signals.

A water level alarm 11 is installed at the water level limit position of the water collecting well, preset values are set in a high sensor 7 and a low sensor 8, and when the water level is detected to exceed the preset values or be lower than the preset values, a check valve on an inoperative auxiliary submersible pump is closed; the alarm can give an alarm immediately to prompt operating personnel to take measures in time.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (5)

1. The anti-backflow drainage system for the water collecting well of the underground layer of the transformer substation is characterized by comprising a partition box (1) positioned at the bottom of the water collecting well, wherein at least one automatic submersible pump (2) is arranged in the partition box (1), each automatic submersible pump (2) is connected with a branch pipe (3), and each branch pipe (3) is connected to a main drainage pipe (4) together; a first one-way check valve (5) is arranged on each branch pipe (3), and a second one-way check valve (6) is arranged on the main water drainage pipe (4);

the automatic submersible pump is characterized by also comprising a control module which is electrically connected with the automatic submersible pump (2); a high-level sensor (7) and a low-level sensor (8) which are respectively used for detecting water levels at a high limit value and a low limit value are arranged on the separation box (1), and the high-level sensor (7) and the low-level sensor (8) are electrically connected with the control module; when the water level exceeds a high limit value, the control module controls the automatic submersible pump to be started; when the water level is lower than the low limit value, the control module controls the automatic submersible pump to be closed.

2. The transformer substation underground layer sump well anti-backflow drainage system according to claim 1, characterized in that a latticed cover plate (9) is arranged at the top of the partition box (1), and a gauze (10) is laid on the surface of the cover plate (9).

3. The transformer substation underground layer sump well anti-backflow drainage system according to claim 1, characterized in that the number of the automatic submersible pumps (2) is at least two.

4. The transformer substation underground layer sump well anti-backflow drainage system according to claim 1, characterized in that a water level alarm (11) electrically connected with the control module is arranged at the top of the main drainage pipe (4), the water level alarm (11) is specifically a buzzer, and the water level alarm (11) is connected with the high-level sensor (7) and the low-level sensor (8).

5. The transformer substation underground layer sump well anti-backflow drainage system according to claim 1, characterized in that the branch pipe (3) is fixedly connected with the automatic submersible pump (2) through a hard pipe.

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