CN218833457U - Explosion suppression device - Google Patents

Abstract

The application discloses explosion suppression device, including the casing, be provided with explosion suppression device in the casing, outside explosion suppression device's injection end stretched out the casing, one side that explosion suppression device's injection end was kept away from to the casing articulates there are two at least flexible bracing pieces, be provided with in the casing can with correspond the micro-gap switch of flexible bracing piece contact, micro-gap switch electric connection has the controller that is located the casing, explosion suppression device and controller electric connection, this application has dual fail-safe, avoids the maloperation, has improved the advantage of insurance function.

Description

an explosion suppression device

technical field

The present application relates to the technical field of explosion suppression facilities, in particular to an explosion suppression device.

Background technique

Explosion suppressor refers to the device equipped with anti-explosion agent. The anti-explosion agent can be released from the injection end of the anti-explosion device through internal pressure. When a fire source is detected, it can automatically start spraying the anti-explosion agent to suppress the fire source, thereby reducing the probability of explosion.

The structure of the existing explosion suppressor is simple, and it is enough to press the control switch on the casing of the explosion suppressor when in use, but when not in use, it is often easy to touch the control switch by mistake to make the explosion suppressor system run in advance, and the safety function is low.

Utility model content

The main purpose of this application is to provide an explosion suppression device, aiming to solve the technical problems that the existing explosion suppressor is easy to touch the control switch by mistake, which makes the explosion suppressor system run in advance and has low safety function.

In order to achieve the above purpose, the application provides an explosion suppression device, which includes a housing, an explosion suppressor is arranged inside the housing, the injection end of the explosion suppressor extends out of the housing, and the side of the housing away from the injection end of the explosion suppressor is hinged with a There are at least two telescopic support rods, and a micro switch that can be in contact with the corresponding telescopic support rod is arranged in the housing. The micro switch is electrically connected to a controller located in the housing, and the explosion suppressor is electrically connected to the controller.

Optionally, the side wall of the housing is provided with an accommodating groove matched with the corresponding telescopic support rod, and the end of the micro switch in contact with the telescopic support rod extends into the accommodating groove.

Optionally, the telescopic support rod includes a connecting rod hinged to the housing, a telescopic tube is movably or threadedly sleeved on the connecting rod, and a fastening screw is threaded on the telescopic tube, and the fastening screw is used to compress the connecting rod.

Optionally, a fire detector is provided on the side of the housing close to the injection end of the explosion suppressor, and the fire detector is electrically connected to the controller.

Optionally, a rainproof cover is provided on the side wall of the casing, and the spray ends of the fire detector and the explosion suppressor are located in the rainproof cover.

Optionally, the controller is electrically connected with a control switch located on the outer wall of the casing, a buzzer alarm, a self-check light and a work light.

Optionally, the housing includes an upper bin and a lower bin detachably connected to the bottom of the upper bin, and the telescopic support rod is hinged to the side wall of the upper bin.

Optionally, the explosion suppressor is arranged in the upper chamber, and the inner wall of the upper chamber is provided with a fixing seat for fixing the explosion suppressor.

Optionally, both the upper bin body and the lower bin body are provided with steel structure columns, the top of the upper bin body is detachably provided with a top cover, the side wall of the upper bin body is detachably provided with a first bin door, and the controller is set in the first bin On the door, the side wall of the lower compartment body is detachably provided with a second compartment door.

Optionally, handles are provided on the top cover, the first compartment door and the second compartment door.

The beneficial effect that this application can realize is as follows:

In this application, the telescopic support rod is hinged on the back of the shell. When it needs to be used, the telescopic support rod is rotated at a certain angle, and the telescopic support rod leaves the micro switch and no longer contacts it. The control can operate normally, and then extend the telescopic support rod to make it close to the ground to support the shell to ensure that it can withstand the recoil generated when the explosion suppressor is started. When it is not in use, turn the telescopic support The rod is reset to make it contact with the micro switch, so that the controller stops running, avoiding the switch on the controller by mistake and running in advance, which strengthens the guarantee of structural stability from the electrical aspect, and has double insurance functions to meet safe use. standard.

Description of drawings

In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the specific implementation modes or the prior art. Throughout the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, elements or parts are not necessarily drawn in actual scale.

Fig. 1 is the structural representation of a kind of explosion suppression device in the embodiment of the present application;

Fig. 2 is a schematic structural view of an explosion suppression device in an embodiment of the application (when the telescopic support rod is deployed);

Fig. 3 is a schematic view of the internal structure (front view) of a kind of explosion suppression device in the embodiment of the present application;

Fig. 4 is a schematic view of the internal structure of an explosion suppression device in an embodiment of the present application (back view);

Fig. 5 is a schematic diagram of the internal structure of the upper bin body part in the embodiment of the present application;

Fig. 6 is a schematic diagram of the internal structure of the lower chamber part in the embodiment of the present application;

FIG. 7 is a schematic structural view of a telescopic support rod in an embodiment of the present application;

FIG. 8 is a schematic diagram of the circuit connection relationship among the electrical devices in the embodiment of the present application.

Reference signs:

110-shell, 111-upper warehouse, 112-lower warehouse, 120-explosion suppressor, 130-fixed seat, 140-fire detector, 150-controller, 160-telescopic support rod, 161-connecting rod, 162-Telescopic barrel, 163-Fastening screw, 170-Micro switch, 180-Accommodating slot, 190-Rainproof cover, 210-Control switch, 220-Buzzer alarm, 230-Self-inspection light, 240-Working light , 250-steel structure column, 260-top cover, 270-first warehouse door, 280-second warehouse door, 290-handle.

The realization, functional features and advantages of the present application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship and movement between the various components in a certain posture Situations, etc., if the specific posture changes, the directional indication also changes accordingly.

In this application, unless otherwise clearly specified and limited, the terms "connection" and "fixation" should be interpreted in a broad sense, for example, "fixation" can be a fixed connection, a detachable connection, or an integral body; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only for descriptive purposes, and cannot be interpreted as indications or hints Its relative importance or implicitly indicates the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the meaning of "and/or" appearing in the whole text includes three parallel schemes, taking "A and/or B" as an example, including scheme A, scheme B, or schemes that both A and B satisfy. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present application.

Example

Referring to Fig. 1-Fig. 8, this embodiment provides a kind of explosion suppressing device, comprises housing 110, is provided with explosion suppressor 120 in housing 110, and the injection end of explosion suppressor 120 protrudes outside housing 110, and housing 110 At least two telescopic support rods 160 are hinged on the side away from the injection end of the explosion suppressor 120. A micro switch 170 that can be in contact with the corresponding telescopic support rod 160 is provided in the housing 110. The micro switch 170 is electrically connected to a The controller 150 inside the body 110 is electrically connected with the explosion suppressor 120 .

In this embodiment, the telescopic support rod 160 is hinged on the back of the housing 110. When it needs to be used, the telescopic support rod 160 is rotated at a certain angle, and the telescopic support rod 160 leaves the micro switch 170 and no longer contacts it. At this time, the micro switch 170 action, the controller 150 can control the explosion suppressor 120 to operate normally, and then extend the telescopic support rod 160 to make it close to the ground to play the role of supporting the shell 110 to ensure that the explosion suppressor 120 can withstand The recoil force generated during startup, when not in use, turn the telescopic support rod 160 to reset to make it contact with the micro switch 170, so that the controller 150 stops running, so as to avoid accidentally touching the switch on the controller 150 and running in advance, here the telescopic The supporting rod 160 is not only used as a supporting part for the housing 110, but also as a triggering part for the micro switch 170. Standards for safe use.

It should be noted that the explosion suppressor 120 is L-shaped, its nozzle is exposed about 90 mm outside the box, and the overall inclination angle is 15 degrees. There are many existing models and types of detonators 120 to choose from, and there is no limitation here. For example, the detonator body in the utility model patent "a storage pressure detonator" with application number CN202220147806.3 can be selected. After the explosion suppressor 120 receives the start signal from the controller 150, the gas generator generates high-pressure and low-temperature gas through rapid combustion, breaks through the diaphragm, and drives dry powder injection to prevent and prevent the development of the fire. The extended position of the suppressor 120 is sealed with an oil seal. Here the controller 150 can be the PLC controller 150 of model S7-200, and the controller 150 can be equipped with two-channel drive chips, which can effectively prevent the occurrence of false triggering and improve the insurance effect. After receiving the signal, the explosion suppressor 120 as an actuator is quickly triggered to perform the explosion suppression action. Here, a damping hinge structure is adopted between the telescopic support rod 160 and the housing 110 , which can remain motionless without external force after being rotated.

As an optional implementation, the housing 110 is provided with a receiving groove 180 matched with the corresponding telescopic support rod 160 on the side wall, and the end of the micro switch 170 in contact with the telescopic support rod 160 extends into the receiving groove 180 .

In this embodiment, when not in use, the telescopic support rod 160 can be retracted into the accommodation groove 180, so as to avoid accidental contact with the telescopic support rod 160 and make it break away from the micro switch 170, further improving the insurance effect, and the overall appearance is generous and beautiful .

As an optional embodiment, the telescopic support rod 160 includes a connecting rod 161 hinged to the housing 110, the connecting rod 161 is movably or threadedly sleeved with a telescopic cylinder 162, and the telescopic cylinder 162 is threadedly connected with a fastening screw. 163, the fastening screw 163 is used to compress the connecting rod 161.

In this embodiment, when the telescopic support rod 160 is extended, the telescopic cylinder 162 is pulled out or the connecting rod 161 is unscrewed for a certain length, and then the fastening screw 163 on the telescopic cylinder 162 is tightened to be against the outer wall of the connecting rod 161, thereby Prevent the telescopic cylinder 162 from sliding relative to the connecting rod 161, and the operation is convenient and fast. Here fastening screw 163 can adopt butterfly screw, convenient operation.

As another optional implementation manner, the telescopic support rod 160 is any one of an electric push rod, a telescopic electric cylinder, and a telescopic cylinder, and has an automatic telescopic function.

As an optional implementation manner, a fire detector 140 is provided on a side of the housing 110 close to the injection end of the explosion suppressor 120 , and the fire detector 140 is electrically connected to the controller 150 .

In this embodiment, the fire detector 140 is installed below the nozzle of the explosion suppressor 120, and the detection range can fully cover the range of action of the explosion suppressor 120. The fire detector 140 is the "sensory organ" of the present application, and its function It is to monitor whether there is a fire in the environment. Once there is a fire, the characteristic physical quantities of the fire, such as temperature, smoke, gas and radiant light intensity, are converted into electrical signals, and immediately act to send an alarm signal to the controller 150. Likewise, the fire detector 140 is a prior art, and will not be repeated here.

As an optional embodiment, the side wall of the housing 110 is provided with a rainproof cover 190, and the spray ends of the fire detector 140 and the explosion suppressor 120 are located in the rainproof cover 190, which can take into account the scene of rainy days, and the scope of application Wide, small restrictions, high practicability.

As an optional implementation, the controller 150 is electrically connected to the control switch 210 located on the outer wall of the casing 110 , the buzzer alarm 220 , the self-check light 230 and the work light 240 .

In this embodiment, the control switch 210, the buzzer alarm 220, the self-inspection light 230 and the work light 240 are all located on the outer wall of the housing 110, which is convenient for operation and viewing. The control switch 210 is the switch button of the controller 150, and is Explosion-proof components are exposed on the back of the housing 110, which is convenient for operation and inspection. After the control switch 210 is turned on, it can start to run (with the micro switch 170 to form a double insurance function), the work light 240, that is, the power light, is on, and at the same time, it has passed self-inspection Afterwards, if normal, then self-inspection lamp 230 is bright green light, if abnormal, then self-inspection lamp 230 is bright red light or does not light, and buzzer alarm 220 sounds simultaneously, and buzzer alarm 220 can adopt alarm lamp to replace here.

As an optional embodiment, the housing 110 includes an upper bin body 111 and a lower bin body 112 detachably connected to the bottom of the upper bin body 111 , and the telescopic support rod 160 is hinged to the side wall of the upper bin body 111 .

In this embodiment, the housing 110 is divided into two parts, the upper bin body 111 and the lower bin body 112, which are convenient for assembly and disassembly and maintenance. The upper bin body 111 and the lower bin body 112 can be realized by a plurality of screws but not limited to screws. Detachable connection, the controller 150 is set in the upper bin body 111, and a junction box can also be configured in the upper bin body 111, and all wiring harnesses of various electrical devices are connected through the junction box, so the upper bin body 111 is integrated with detection, Explosion-proof box for functions such as control and movement. The lower compartment body 112 is a support and counterweight structure. A storage battery, a relay and a charger can be arranged in the lower compartment body 112 here. The storage battery can continuously supply power to the controller 150, and is equipped with a power display meter, which can display the real-time power of the storage battery. It is convenient for the user to intuitively understand the power state of the battery.

It should be noted that the main application scenario of this application is explosion suppression at the oil discharge port of a gas station, and the explosion-proof design can be implemented as a whole. The whole body shell (that is, the shell 110) is welded with 2mm steel plates, and all joints that need to be opened and closed are made of waterproof gaskets Sealed, the waterproof level can reach IP66, and the internal components can individually meet the explosion-proof standard. The shells of the controller 150, junction box, charger and other electrical components are all made of increased safety aluminum alloy die-casting explosion-proof boxes, and the explosion-proof level is EXDE IIBT6 GB , The protection grade is EXTDA21IP65T80 ℃, and the outlets on the shell 110 are all explosion-proof glands.

As an optional embodiment, the explosion suppressor 120 is arranged in the upper chamber body 111, and the inner wall of the upper chamber body 111 is provided with a fixing seat 130 for fixing the explosion suppressor 120, and the fixing seat 130 can firmly hold the explosion suppressor 120 Being fixed in the upper bin body 111 can further reduce the recoil force generated when the explosion suppressor 120 is in operation.

As an optional embodiment, both the upper bin body 111 and the lower bin body 112 are provided with a steel structure column 250, and the steel structure column 250 can use 3mm Q235 steel to improve the overall structural strength and increase the counterweight; The top of the bin body 111 is detachably provided with a top cover 260, the side wall of the upper bin body 111 is detachably provided with a first bin door 270, the controller 150 is arranged on the first bin door 270, and the side wall of the lower bin body 112 is detachably provided with a The second warehouse door is 280.

In this embodiment, the detachable top cover 290 is convenient for opening windows on the top of the upper bin body 111, so that the explosion suppressor 120 can be hoisted and assembled. 111 and the electrical components in the lower storehouse body 112 are overhauled. It should be noted that the above-mentioned detachable structures can be connected by screws or by other mechanical connections, which should not be limited here.

As an optional implementation, the top cover 260 , the first door 270 and the second door 280 are all provided with a handle 290 , which is convenient for taking out or installing by holding the handle 290 .

The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. All equivalent structures or equivalent process transformations made by using the description of the application and the accompanying drawings are directly or indirectly used in other related technical fields. , are all included in the patent protection scope of the present application in the same way.

Claims (10)

1. An explosion suppression device is characterized by comprising a shell, wherein an explosion suppressor is arranged in the shell, the spraying end of the explosion suppressor extends out of the shell, one side of the shell, which is far away from the spraying end of the explosion suppressor, is hinged with at least two telescopic supporting rods, a microswitch which can be contacted with the corresponding telescopic supporting rods is arranged in the shell, the microswitch is electrically connected with a controller which is positioned in the shell, and the explosion suppressor is electrically connected with the controller.

2. An explosion suppression device as defined in claim 1, wherein the side wall of said housing is formed with a receiving groove for engaging with a corresponding one of said telescopic support rods, and the end of said microswitch contacting with said telescopic support rod extends into said receiving groove.

3. An explosion suppression device according to claim 1 or 2, wherein the telescopic support rod comprises a connecting rod hinged with the housing, a telescopic cylinder is movably sleeved or screwed on the connecting rod, a fastening screw is screwed on the telescopic cylinder, and the fastening screw is used for pressing the connecting rod.

4. An explosion suppression device as set forth in claim 1, wherein a fire detector is provided on a side of said housing adjacent to a spraying end of said explosion suppressor, said fire detector being electrically connected to said controller.

5. An explosion suppression device according to claim 4, wherein the side wall of the housing is provided with a rain shield, and the fire detector and the injection end of the explosion suppressor are both located in the rain shield.

6. An explosion suppression device as defined in claim 4, wherein the controller is electrically connected with a control switch, a buzzer alarm, a self-checking lamp and a working lamp which are positioned on the outer wall of the shell.

7. An explosion suppression device as set forth in claim 1, wherein said housing includes an upper chamber body and a lower chamber body detachably connected to the bottom of said upper chamber body, and said telescopic support rods are hinged to the side walls of said upper chamber body.

8. An explosion suppression device as set forth in claim 7, wherein said explosion suppressor is disposed in said upper chamber, and a fixing seat for fixing said explosion suppressor is disposed on an inner wall of said upper chamber.

9. An explosion suppression device according to claim 7, wherein steel structure columns are arranged in the upper bin body and the lower bin body, a top cover is detachably arranged at the top of the upper bin body, a first bin gate is detachably arranged on the side wall of the upper bin body, the controller is arranged on the first bin gate, and a second bin gate is detachably arranged on the side wall of the lower bin body.

10. An explosion suppression device as defined in claim 9, wherein said top cover, said first door and said second door are provided with handles.

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