CN219372852U - Intelligent explosion-proof button box - Google Patents

Abstract

The utility model provides an intelligent explosion-proof button box, which relates to the technical field of explosion-proof equipment and comprises a button box shell, wherein electric equipment is arranged in the button box shell.

Description

Intelligent explosion-proof button box

technical field

The utility model relates to the technical field of explosion-proof equipment, in particular to an intelligent explosion-proof button box.

Background technique

Explosion-proof electrical equipment is mainly used in places containing flammable and explosive gases and dust such as coal, petroleum and chemical industry. Electrical equipment used in explosive hazardous environments should be structured to prevent sparks, arcs or dangerous temperatures from becoming a source of ignition of explosive mixtures (such as dust in the environment) at the installation site due to sparks, arcs or dangerous temperatures during use.

Deficiencies of the prior art: the explosion-proof button box is a kind of explosion-proof electrical equipment, which is different from ordinary fully sealed explosion-proof electrical equipment in that the explosion-proof button box needs to reserve holes for button installation, which cannot be done The box is fully sealed, and because the button is a movable part, the spring provides the rebound after being pressed, and the sealing ring realizes the sealing effect of the button at the installation hole. End wall friction loss, easy to produce gaps, loss of sealing effect, communication with the external environment, when the button is pressed, once a starting arc occurs, it is easy to cause environmental dust explosion, and after the sealing ring is worn out and a gap is generated, the spring used for rebound will also Communicating with the external environment, the spring becomes a guide after the arc is generated, and it is easier to guide the arc to the external environment, further increasing the risk of explosion.

Utility model content

In order to overcome the above-mentioned defects of the prior art, the utility model provides an intelligent explosion-proof button box to solve the problems in the above-mentioned background technology.

In order to solve the above-mentioned technical problems, the utility model provides an intelligent explosion-proof button box, including a button box shell, and electrical equipment is placed inside the button box shell, and a plurality of Mounting holes, sealing grooves are provided on the front side of the inner end walls of the plurality of mounting holes, buttons and sealing air bags are arranged in the sealing grooves, the rear end of the button is fixedly connected with a driving rod, and the driving rod is inserted into the Set in the installation hole, the sealed airbag is interposed between the button and the installation hole, the sealed airbag is filled with inert gas, the air pressure sensor is embedded in the sealed airbag, and the air pressure sensor is integrated in it The signal input and output modules are interconnected with external terminal data.

Preferably, the external terminal is composed of a main control unit and a plurality of relay stations. When the button box casing is installed in an underground environment, the signal sent by the air pressure sensor will be received by the relay station installed in the underground first, and the plurality of relay stations will transmit information alternately. Finally, the information is transmitted to the main control to avoid signal blocking, so that the operator can receive the information indeed.

Preferably, a limiting groove is provided in the middle of the inner end wall of the installation hole, and the outer end wall of the driving rod is fixedly engaged with a limiting ring, and the limiting ring is located in the limiting groove, and the limiting groove is used for the limiting groove. The limit effect of the ring prevents the button and the drive rod from being dislocated from the mounting hole during long-term pressing and releasing.

Preferably, the front end of the limit ring is fitted with a pressure sensor, and the pressure sensor is connected to the external terminal data through the integrated signal input and output module.

Preferably, a plurality of reset rods are evenly and fixedly installed on the top of the button box housing, and top covers are fixedly installed on the telescopic ends of the plurality of reset rods.

Preferably, the bottom end of the button box housing is evenly fixed with a plurality of supporting columns, and the button box housing is elevated by the supporting columns, which is convenient for operators to use.

Compared with the prior art, the utility model provides an intelligent explosion-proof button box, which has the following beneficial effects:

1. In this utility model, a sealing groove is newly opened on the basis of the installation hole of the original button box shell, and the sealing air bag is placed in the sealing groove, so that the sealing air bag is sandwiched between the button and the installation hole. When the button is pressed, The sealing airbag expands rapidly to isolate the button box shell from the external environment at the installation hole. When the button is released, the elastic recovery effect of the sealing airbag is used to provide a rebound for the button, and the original sealing ring and spring are replaced at the same time through the sealing airbag to avoid It eliminates the gap between the seal ring and the button or drive rod friction loss, the reduction of sealing performance, and the risk of explosion caused by the spring's arc drainage. Send it to an external terminal for timely maintenance.

2. The external terminal is composed of the main control and multiple relay stations. When the button box shell is installed in the underground environment, the signal sent by the air pressure sensor will be received by the relay station installed in the underground first, and the multiple relay stations will transmit information alternately. It is transmitted to the main control to avoid signal blocking, so that the operator can receive the information indeed.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the internal structure of the button box shell part of the utility model;

FIG. 3 is a schematic diagram of the structure at A in FIG. 2 .

In the figure: 1, button box shell; 101, installation hole; 102, sealing groove; 103, limit groove; 2, electrical equipment; 3, drive rod; 4, button; 5, sealed air bag; 6, air pressure sensor; 7 , limit ring; 8, pressure sensor; 9, reset rod; 10, top cover; 11, support column.

Detailed ways

The technical scheme in the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the utility model. In addition, the forms of each structure recorded in the following embodiments are only examples, and the aspects involved in the utility model The intelligent explosion-proof button box is not limited to the structures described in the following embodiments, and all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection scope of the present utility model .

The utility model provides an intelligent explosion-proof button box, please refer to Figure 2-3, including a button box shell 1, and an electrical device 2 is placed inside the button box shell 1, and the front end of the button box shell 1 is correspondingly opened according to the actual needs of the electrical equipment 2. A plurality of installation holes 101, the front side of the inner end wall of the plurality of installation holes 101 is provided with a sealing groove 102, the button 4 and the sealing air bag 5 are arranged in the sealing groove 102, the rear end of the button 4 is fixedly connected with the driving rod 3, and the driving The rod 3 is inserted in the mounting hole 101, the sealing air bag 5 is interposed between the button 4 and the mounting hole 101, the sealing air bag 5 is filled with inert gas, and the air pressure sensor 6 is embedded in the sealing air bag 5, and the air pressure sensor 6 passes through the The integrated signal input and output modules are interconnected with external terminal data.

Furthermore, the external terminal is composed of a main control unit and multiple relay stations. When the button box housing 1 is installed in an underground environment, the signal sent by the air pressure sensor 6 will be received by the relay station installed underground first, and the multiple relay stations will alternately transmit information. Finally, the information is transmitted to the main control to avoid signal blocking, so that the operator can receive the information indeed.

Further, please refer to Fig. 2-3, the middle part of the inner end wall of the installation hole 101 is provided with a limiting groove 103, the outer end wall of the driving rod 3 is fixedly engaged with the limiting ring 7, and the limiting ring 7 is located in the limiting groove 103, Through the limiting effect of the limiting groove 103 on the limiting ring 7, the button 4 and the driving rod 3 will not be dislocated from the mounting hole 101 during long-time pressing and releasing.

Further, please refer to Figure 2-3, the front end of the limit ring 7 is fitted with a pressure sensor 8, the pressure sensor 8 is interconnected with the external terminal data through the signal input and output module integrated in it, when the sealed air bag 5 is a complete In the undamaged state, when the elastic recovery of the sealing air bag 5 rebounds the button 4 and the driving rod 3, the pressure sensor 8 fitted on the limit ring 7 should be able to abut against the inner end wall of the limit groove 103, and have a certain contact pressure, and once there is no contact pressure for a long time, it means that the sealed airbag 5 may be damaged and cannot complete the rebound, and the pressure sensor 8 will send this information to the external terminal as an auxiliary monitoring method. The internal air pressure sensor 6 monitors synchronously to reduce the possibility of false alarms and improve product reliability.

Further, please refer to Fig. 1, the top of the button box shell 1 is uniformly fixed with a plurality of reset rods 9, and the telescopic ends of the plurality of reset rods 9 are fixed with a top cover 10, when the button box shell 1 is used in an underground environment, When a falling object such as a stone falls onto the button box shell 1, it will first contact the top cover 10, and the impact kinetic energy is converted into the elastic potential energy of the reset rod 9, and during the impact, it will slide off the top cover 10 and pass through the top cover 10. The reset rod 9 and the top cover 10 provide protection for the button box casing 1, reducing the possibility of the button box casing 1 and the buttons 4 thereon being damaged by falling objects.

Further, please refer to FIG. 1 , the bottom end of the button box housing 1 is evenly fixed with a plurality of supporting columns 11 , and the button box housing 1 is elevated by the supporting columns 11, which is convenient for operators to use.

Working principle and application process of the utility model:

When in use, please refer to Fig. 2-3, when the operator presses the button 4 and starts the electrical equipment 2 through the drive rod 3 on the button 4, the sealing air bag 5 will be squeezed and expanded, and the space in the sealing groove 102 will be instantly Filled, the button box shell 1 is isolated from the external environment at the installation hole 101, effectively reducing the possibility of starting arcs or electric sparks running out of the button box shell 1, causing the explosion of explosive mixtures in the external environment, and when the button 4 After being released, the elastic recovery effect of the sealed airbag 5 can also provide rebound for the button 4, and when the sealed airbag 5 is accidentally damaged during use, the air pressure sensor 6 inside the sealed airbag 5 can quickly monitor this information , and send it to the external terminal to remind the operator to check and repair in time.

The utility model newly opens a sealing groove 102 on the basis of the mounting hole 101 of the original button box shell 1, and puts the sealing air bag 5 in the sealing groove 102, so that the sealing air bag 5 is sandwiched between the button 4 and the mounting hole 101, When the button 4 is pressed, the sealing airbag 5 expands rapidly to isolate the button box shell 1 at the installation hole 101 from the external environment. When the button 4 is released, the elastic recovery effect of the sealing airbag 5 is used to provide a rebound for the button 4, through The sealing airbag 5 replaces the original sealing ring and spring at the same time, avoiding the gap between the sealing ring and the button 4 or the driving rod 3 due to friction loss, reducing the sealing performance, and the risk of explosion caused by the spring draining the arc, and the product is safe to use. And when the sealed air bag 5 is damaged, the information can be sent to the external terminal in time through the air pressure sensor 6, which is convenient for timely maintenance.

The last few points should be explained: First, in the description of this application, it should be explained that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, which can be mechanical connection Or electrical connection, it can also be the internal communication of two components, it can be directly connected, "up", "down", "left", "right", etc. are only used to indicate the relative positional relationship, when the absolute position of the object being described Change, the relative positional relationship may change;

Secondly: in the accompanying drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the usual design. Under the condition of no conflict, the same embodiment of the utility model and different embodiments can be used mutually. combination;

Finally: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall include Within the protection scope of the present utility model.

Claims (6)

1. Intelligent explosion-proof button case, including button case shell (1), its characterized in that: the novel intelligent electric pressure meter is characterized in that electrical equipment (2) is placed in the button box shell (1), a plurality of mounting holes (101) are correspondingly formed in the front end of the button box shell (1) according to actual needs of the electrical equipment (2), a plurality of sealing grooves (102) are formed in the front sides of inner end walls of the mounting holes (101), buttons (4) and sealing air bags (5) are arranged in the sealing grooves (102), driving rods (3) are fixedly connected to the rear ends of the buttons (4), the driving rods (3) are inserted into the mounting holes (101), the sealing air bags (5) are clamped between the buttons (4) and the mounting holes (101), inert gas is filled in the sealing air bags (5), air pressure sensors (6) are embedded in the sealing air bags (5), and the air pressure sensors (6) are connected with external terminal data through signal input and output modules integrated in the air pressure sensors.

2. The intelligent explosion-proof button case of claim 1, wherein: the external terminal is composed of a main control and a plurality of relay stations.

3. The intelligent explosion-proof button case of claim 1, wherein: the middle part of the inner end wall of the mounting hole (101) is provided with a limiting groove (103), the outer end wall of the driving rod (3) is fixedly clamped with a limiting ring (7), and the limiting ring (7) is positioned in the limiting groove (103).

4. An intelligent explosion-proof button case according to claim 3, wherein: the front end of the limiting ring (7) is embedded and provided with a pressure sensor (8), and the pressure sensor (8) is in data interconnection with an external terminal through a signal input and output module integrated in the pressure sensor.

5. The intelligent explosion-proof button case of claim 1, wherein: a plurality of reset rods (9) are uniformly and fixedly arranged at the top end of the button box shell (1), and a top cover (10) is arranged at the telescopic ends of the reset rods (9).

6. The intelligent explosion-proof button case of claim 1, wherein: the bottom end of the button box shell (1) is uniformly and fixedly provided with a plurality of support columns (11).