CN220038687U - Explosion-proof early warning ventilation system for energy storage system - Google Patents

Abstract

The embodiment of the utility model provides an explosion-proof early warning ventilation system for an energy storage system, which comprises a first ventilation device, a second ventilation device and a control device, wherein the first ventilation device comprises a first ventilation pipeline, a first explosion-proof fan device and a second ventilation pipeline which are sequentially arranged; the second ventilation device comprises a third ventilation pipeline, a second explosion-proof fan device and a fourth ventilation pipeline which are sequentially arranged; a gas detection sensor is arranged at the connection position of the third ventilating duct and the second explosion-proof fan equipment; the first explosion-proof fan equipment and the second explosion-proof fan are respectively provided with a first explosion-proof motor and a second explosion-proof motor; the explosion-proof motor, the gas detection sensor and the cable wire of the early warning unit connected to the explosion-proof distribution box are coated with explosion-proof flexible pipes. The explosion-proof flexible pipe protects equipment wires, so that the electric connection of equipment is safer, the whole system has an explosion-proof function, and when the ventilation system works, alarm information is sent out when flammable and explosive gas in the air is detected to exceed the standard, so that the safety of the system is further improved.

Description

Explosion-proof early warning ventilation system for energy storage system

Technical Field

The utility model relates to the technical field of explosion-proof ventilation equipment, in particular to an explosion-proof early warning ventilation system for an energy storage system.

Background

When analyzing the energy storage process, the part of the object or space that is drawn for determining the object of investigation is called the energy storage system. It includes input and output of energy and substances, conversion of energy and storage devices. Energy storage systems often involve multiple energies, multiple devices, multiple substances, multiple processes, are complex energy systems that change over time, and require multiple indicators to describe their performance.

Due to the specificity of the energy storage system, various electronic devices used in the location of the energy storage system often need explosion-proof devices, for example, in an oil gas storage warehouse, etc., for safety requirements; in order to provide good ventilation of the location of the energy storage system, various explosion proof devices are presented.

However, in the existing anti-explosion ventilation system, although all the devices are anti-explosion devices, accessories such as pipelines are made of common materials, so that the whole anti-explosion ventilation system has safety and prevention, the existing anti-explosion ventilation system cannot monitor air, unsafe factors such as inflammable and explosive gases appear in the air environment, and the safety hidden trouble of the energy storage system is increased due to the fact that the pre-warning function is not provided.

Disclosure of Invention

The present utility model has been made in view of the above problems, and it is an object of the present utility model to provide an explosion-proof early warning ventilation system for an energy storage system that overcomes or at least partially solves the above problems.

The embodiment of the utility model discloses an explosion-proof early warning ventilation system for an energy storage system, which comprises a first ventilation device for air inlet, a second ventilation device for air outlet, an explosion-proof distribution box and an early warning unit;

the first ventilation device comprises a first ventilation pipeline, a first explosion-proof fan device and a second ventilation pipeline which are sequentially arranged;

the second ventilation device comprises a third ventilation pipeline, a second explosion-proof fan device and a fourth ventilation pipeline which are sequentially arranged;

a gas detection sensor is arranged at the connection position of the third ventilating duct and the second explosion-proof fan equipment;

the first explosion-proof fan equipment and the second explosion-proof fan are respectively provided with a first explosion-proof motor and a second explosion-proof motor for driving the fan to work;

the explosion-proof motor, the gas detection sensor and the early warning unit are connected to a cable of the explosion-proof distribution box, and an explosion-proof flexible pipe is coated on the cable.

Preferably, the first explosion-proof fan device and the second explosion-proof fan device are roots fans;

the first explosion-proof fan equipment further comprises a first air inlet, a first air outlet and a first fan main body;

the second explosion-proof fan equipment further comprises a second air inlet, a second air outlet and a second fan main body;

the first fan main body is connected with the first ventilation pipeline through the first air inlet and is connected with the second ventilation pipeline through the first air outlet;

the second fan main body is connected with the third air pipeline through the second air inlet and is connected with the fourth air pipeline through the second air outlet.

Preferably, the valve further comprises a first valve and a second valve;

wherein the first valve is arranged between the first ventilating duct and the first air inlet;

the second valve is arranged between the second air outlet and the fourth air channel.

Preferably, the air conditioner further comprises a filter screen, and the filter screen is arranged in the first air inlet.

Preferably, the filter screen further comprises a third valve, the second air outlet is connected with the first air inlet through the third valve, and the third valve is connected to the outer side of the filter screen in the first air inlet.

Preferably, the Roots blower is a two-blade Roots blower or a three-blade Roots blower.

Preferably, the early warning unit comprises an explosion-proof audible and visual alarm unit and a liquid crystal digital display unit; the explosion-proof audible and visual alarm unit and the liquid crystal digital display unit are electrically connected to a main control board arranged in the explosion-proof distribution box, and the main control board is electrically connected to the gas detection sensor.

Preferably, a separation net is arranged in each of the second ventilation pipeline and the third ventilation pipeline.

The utility model has the following advantages:

in the embodiment of the utility model, the electric wires of the equipment are protected through the explosion-proof flexible pipe, so that the electric connection of the equipment is safer, the whole system has an explosion-proof function, the problem that in the prior art, only each component is the explosion-proof equipment, and the whole explosion-proof performance is poor is solved.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of an explosion-proof warning ventilation system for an energy storage system according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a fan main body structure of an anti-explosion and pre-warning ventilation system for an energy storage system according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a two-blade fan for an anti-explosion early warning ventilation system for an energy storage system according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a three-blade fan of an anti-explosion early warning ventilation system for an energy storage system according to an embodiment of the present utility model.

In the accompanying drawings: 10. a first explosion-proof blower device; 11. a first ventilation duct; 12. a first valve; 13. a filter screen; 14. a first air inlet; 15. a first fan main body; 16. a first explosion-proof motor; 17. a first air outlet; 18. a second ventilation duct; 20. a second explosion-proof blower device; 21. a third ventilation duct; 22. a second valve; 23. a third valve; 24. a second air inlet; 25. a second fan main body; 26. a second explosion-proof motor; 27. a second air outlet; 28. a fourth ventilation duct; 31. a gas detection sensor; 32. an explosion-proof flexible tube; 33. an explosion-proof distribution box; 34. an early warning unit; 151. an impeller.

Detailed Description

In order that the manner in which the above recited objects, features and advantages of the present utility model are obtained will become more readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to the appended drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an explosion-proof early warning ventilation system for an energy storage system according to an embodiment of the present utility model includes a first ventilation device for air intake, a second ventilation device for air outlet, an explosion-proof distribution box 33, and an early warning unit 34; the first ventilation device comprises a first ventilation pipeline 11, a first explosion-proof fan device 10 and a second ventilation pipeline 18 which are sequentially arranged; the second ventilation device comprises a third ventilation pipeline 21, a second explosion-proof fan device 20 and a fourth ventilation pipeline 28 which are sequentially arranged; a gas detection sensor 31 is arranged at the connection position of the third ventilating duct 21 and the second explosion-proof fan apparatus 20; the first explosion-proof fan device and the second explosion-proof fan are respectively provided with a first explosion-proof motor 16 and a second explosion-proof motor 26 for driving the fans to work; the explosion-proof motor 16, the gas detection sensor 31, and the early warning unit 34 are connected to a cable of the explosion-proof distribution box 33, and are covered with an explosion-proof flexible tube 32.

In the above embodiment, the electric wires of the equipment are protected by the explosion-proof flexible tube 32, so that the electric connection of the equipment is safer, the whole system has an explosion-proof function, the problem that in the prior art, all the component parts are explosion-proof equipment and the whole explosion-proof performance is poor is solved, in addition, when the ventilation system works, the alarm unit 34 sends out alarm information when detecting that flammable and explosive gas in the air exceeds standard, and the safety of the system is further improved.

In an embodiment of the present utility model, as shown in fig. 2, the first explosion-proof blower apparatus 10 and the second explosion-proof blower apparatus 20 are roots blowers; wherein, the first explosion-proof fan apparatus 10 further comprises a first air inlet 14, a first air outlet 17, and a first fan main body 15; wherein, the second explosion-proof fan apparatus 20 further includes a second air inlet 24, a second air outlet 27, and a second fan main body 25; the first fan body 15 is connected to the first ventilation duct 11 through the first air inlet 14, and is connected to the second ventilation duct 18 through the first air outlet 17; the second fan body 25 is connected to the third ventilation duct 21 through the second air inlet 24, and is connected to the fourth ventilation duct 28 through the second air outlet 27.

It should be noted that, referring to fig. 3 and 4, the Roots blower belongs to a positive displacement blower, the end faces of the impellers 151 and front and rear end covers of the blower, the principle is that two blade rotors are used to make relative motion in a cylinder to compress and convey gas, and the two impellers 151 rotate relatively in a space sealed by a casing and a wallboard, because each impeller 151 adopts involute or epicycloidal envelope curve, three blades of each impeller 151 are identical, and simultaneously, the two impellers 151 are identical, thus greatly reducing processing difficulty. The impeller 151 adopts numerical control equipment during processing, so that a certain minimum gap can be kept no matter where the two impellers 151 rotate under the condition that the center distance of the two impellers 151 is unchanged, and the leakage of gas is ensured to be within an allowable range. The two impellers 151 rotate in opposite directions, because the gaps between the impellers 151 and the impellers 151, between the impellers 151 and the casing, and between the impellers 151 and the wallboard are extremely small, the air inlet is in a vacuum state, air enters the air inlet cavity under the action of atmospheric pressure, then two blades of each impeller 151, the wallboard and the casing form a sealing cavity, the air in the air inlet cavity is continuously brought into the air outlet cavity by the sealing cavity formed by the two blades in the rotating process of the impellers 151, and the impellers 151 in the air outlet cavity are meshed with each other, so that the air between the two blades is extruded, and the air is continuously conveyed from the air inlet to the air outlet under the action of continuous operation, namely the whole working process of the Roots blower.

In one embodiment of the present utility model, the valve further comprises a first valve 12 and a second valve 22; wherein the first valve 12 is disposed between the first ventilation duct 11 and the first air inlet 14; the second valve 22 is disposed between the second air outlet 27 and the fourth air duct 28.

The air inlet channel can be opened and closed by a first valve 12 between the first ventilating duct 11 and the first air inlet 14, and the caliber of the air inlet channel can be adjusted; similarly, the second valve 22 may be used to open or close and regulate the outlet air passage.

In an embodiment of the present utility model, referring to fig. 1, the air conditioner further includes a filter screen 13, where the filter screen 13 is disposed in the first air inlet 14, and is used for filtering impurities entering the first ventilation pipeline 11 during air intake, so as to prevent the impurities from entering the fan to damage the fan and cause potential safety hazard.

In an embodiment of the present utility model, the air filter further includes a third valve 23, and the second air outlet 27 is connected to the first air inlet 14 through the third valve 23, where the third valve 23 is connected to the outside of the filter screen 13 in the first air inlet 14. The third valve 23 is mutually exclusive with the opening states of the first valve 12 and the second valve 22.

It can be understood that when the first valve 12 and the second valve 22 are opened, the third valve 23 is in a closed state, and at this time, the system exchanges with the external normal air flow to perform normal ventilation; when the first valve 12 and the second valve 22 are completely closed, the third valve 23 is opened to realize the internal circulation of the system air.

In an embodiment of the present utility model, the Roots blower is a two-blade Roots blower or a three-blade Roots blower. Referring to FIG. 3, a schematic diagram of a two-blade Roots blower is shown; referring to fig. 4, there is shown a schematic diagram of the impeller structure of a three-bladed Roots blower; the utility model preferably uses a three-blade impeller structure, and the fan has small vibration and low noise due to the adoption of a three-blade rotor structure and a reasonable structure of an air inlet and an air outlet in the shell. The impeller 151 and the shaft are of an integral structure, the impeller 151 is free from abrasion, the performance of the fan is durable, and the fan can continuously run for a long time. The fan has the advantages of high volume utilization rate, high volume efficiency, compact structure and flexible and changeable installation mode.

In an embodiment of the present utility model, the early warning unit 34 includes an explosion-proof audible and visual alarm unit and a liquid crystal digital display unit; the explosion-proof audible and visual alarm unit and the liquid crystal digital display unit are electrically connected to a main control board provided in the explosion-proof distribution box 33, and the main control board is electrically connected to the gas detection sensor 31.

The gas detection sensor 31 according to the present utility model includes, but is not limited to, a sensor for detecting the presence or absence of a specific gas in a certain region and/or continuously measuring the concentration of a gas component. For example, the sensor may be an infrared sensor, and a complete infrared gas sensor is composed of an infrared light source, an optical cavity, an infrared detector and a signal conditioning circuit. Is prepared by utilizing the absorption effect of gas on infrared spectrum with specific frequency. When the gas exists, the infrared light is absorbed, and the received infrared light is reduced, so that the gas content is detected. The advanced infrared type detector adopts dual-wavelength and dual-receiver, so that the detection is more accurate and reliable. By adopting an optical detection mode, the device is not easy to be poisoned and aged due to the influence of harmful gas; the response speed is high, and the stability is good; the physical characteristics are utilized, no chemical reaction exists, the explosion resistance is good, the signal to noise ratio is high, the anti-interference capability is strong, the service life is long, the measurement accuracy is high, and the like.

In an embodiment of the present utility model, a screen (not shown) is disposed in each of the second ventilation duct 18 and the third ventilation duct 21. Foreign matters are prevented from entering the ventilating duct through the separation net, the foreign matters are prevented from affecting the work of the fan, and the safety of equipment is improved.

In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.

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 above description of the utility model provides an explosion-proof early warning ventilation system for an energy storage system, and specific examples are applied to illustrate the principle and implementation of the utility model, and the above examples are only used to help understand the method and core idea of the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims (8)

1. An explosion-proof early warning ventilation system for an energy storage system is characterized by comprising a first ventilation device for air intake, a second ventilation device for air outlet, an explosion-proof distribution box (33) and an early warning unit (34);

the first ventilation device comprises a first ventilation pipeline (11), a first explosion-proof fan device (10) and a second ventilation pipeline (18) which are sequentially arranged;

the second ventilation device comprises a third ventilation pipeline (21), a second explosion-proof fan device (20) and a fourth ventilation pipeline (28) which are sequentially arranged;

a gas detection sensor (31) is arranged at the connection position of the third ventilating duct (21) and the second explosion-proof fan equipment (20);

the first explosion-proof fan equipment and the second explosion-proof fan are respectively provided with a first explosion-proof motor (16) and a second explosion-proof motor (26) for driving the fans to work;

the explosion-proof motor (16), the gas detection sensor (31) and the early warning unit (34) are connected to a cable of the explosion-proof distribution box (33), and an explosion-proof flexible tube (32) is coated on the cable.

2. The explosion-proof early warning ventilation system for an energy storage system according to claim 1, characterized in that the first explosion-proof blower device (10) and the second explosion-proof blower device (20) are roots blowers;

the first explosion-proof fan device (10) further comprises a first air inlet (14), a first air outlet (17) and a first fan main body (15);

the second explosion-proof fan device (20) further comprises a second air inlet (24), a second air outlet (27) and a second fan main body (25);

the first fan main body (15) is connected with the first ventilation pipeline (11) through the first air inlet (14) and is connected with the second ventilation pipeline (18) through the first air outlet (17);

the second fan body (25) is connected with the third air duct (21) through the second air inlet (24), and is connected with the fourth air duct (28) through the second air outlet (27).

3. The anti-explosion early warning ventilation system for an energy storage system of claim 2, further comprising a first valve (12) and a second valve (22);

wherein the first valve (12) is arranged between the first ventilation pipeline (11) and the first air inlet (14);

wherein the second valve (22) is arranged between the second air outlet (27) and the fourth air channel (28).

4. An explosion-proof warning ventilation system for an energy storage system according to claim 2 or 3, further comprising a filter screen (13), the filter screen (13) being arranged in the first air inlet (14).

5. The explosion-proof warning ventilation system for an energy storage system according to claim 4, further comprising a third valve (23), the second air outlet (27) being connected to the first air inlet (14) through the third valve (23), wherein the third valve (23) is connected to the outside of the filter screen (13) in the first air inlet (14).

6. The explosion-proof early warning ventilation system for an energy storage system according to claim 2, wherein the Roots blower is a two-blade Roots blower or a three-blade Roots blower.

7. The explosion-proof early warning ventilation system for an energy storage system according to claim 4, characterized in that the early warning unit (34) comprises an explosion-proof audible and visual warning unit and a liquid crystal digital display unit; the explosion-proof audible and visual alarm unit and the liquid crystal digital display unit are electrically connected to a main control board arranged in the explosion-proof distribution box (33), and the main control board is electrically connected to the gas detection sensor (31).

8. The explosion-proof warning ventilation system for an energy storage system according to claim 1, characterized in that a screen is provided in each of the second ventilation duct (18) and the third ventilation duct (21).