CN112505249A - Waterproof gas meter box - Google Patents

Waterproof gas meter box Download PDF

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Publication number
CN112505249A
CN112505249A CN202011294894.1A CN202011294894A CN112505249A CN 112505249 A CN112505249 A CN 112505249A CN 202011294894 A CN202011294894 A CN 202011294894A CN 112505249 A CN112505249 A CN 112505249A
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CN
China
Prior art keywords
exhaust
water
side wall
air inlet
drainage
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CN202011294894.1A
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Chinese (zh)
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CN112505249B (en
Inventor
邓立志
陈曦
于梦琪
姜玉林
彭博
高艺
关慧明
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Shenyang Daneng Security High Tech Industry Technology Research Institute Co ltd
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Shenyang Daneng Security High Tech Industry Technology Research Institute Co ltd
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Publication of CN112505249A publication Critical patent/CN112505249A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure, temperature

Abstract

A waterproof gas instrument box comprises a gas instrument, a waterproof box, a gas inlet water-vapor separation device, a gas inlet linkage motor, a bidirectional gas pump, a light sensation water level sensor, an exhaust linkage motor, an exhaust and drainage water-vapor separation device, a dew drainage exhaust device, a pressure sensor and a core controller; the bidirectional air pump, the light sensation water level sensor, the dew condensation drainage exhaust device, the gas meter, the pressure sensor and the core controller are all arranged in the waterproof box; the invention has convenient installation and flexible design; the development cost is reduced; the maintenance of engineering technicians can be facilitated; the functionality of the product is improved; the problem of condensation inside the box body is effectively prevented; the problem that water easily enters the interior of the box body after the box body is drenched or soaked is effectively avoided; the underwater waterproof performance of 10 meters can be realized; the waterproof performance of the gas instrument can be effectively protected; the reliability of monitoring of a gas meter of a tunnel project is improved; the reliability of the product can be further improved by using the pressure sensor and the light-sensitive water level sensor; is convenient for using multiple schemes.

Description

Waterproof gas meter box
Technical Field
The invention relates to an intelligent waterproof gas instrument box which is applied to the field of gas instruments and environment monitoring. Especially, gas meters and gas meter devices used in tunnel environments (power tunnels, communication tunnels, utility tunnels, etc.) or harsh environmental conditions operate for a long time in environments that are easily soaked in water.
Background
With the rapid development of the electric power system industry, the communication system industry and the municipal engineering in China, the construction quantity of the electric power tunnels, the communication tunnels and the comprehensive pipe galleries which are perfectly matched with each other is increased greatly, the comprehensive monitoring system of the tunnels is rapidly developed and popularized, and the monitoring of toxic and harmful gases in the tunnels is important. In traditional gas meter monitoring also is the very extensive gas meter of industry use in, because of the gas monitoring's specificity gas sensor all sets up the outside at the instrument, can not carry out high-grade physical protection, its highest protection level design is IP65 or IP67, meet tunnel intaking in the in-process of using like this and flow backward the condition gas meter and will all take place into water and damage, tunnel rivers flow backward, sometimes take place in rainy season, finally lead to the inside gas monitoring equipment of tunnel or the damage of gas meter batch intaking, brought huge economic loss and potential safety hazard for relevant departments or enterprise.
Disclosure of Invention
The purpose of the invention is as follows:
the invention provides a waterproof gas instrument box, and aims to solve the problems in the prior art.
The technical scheme is as follows:
a waterproof gas instrument box comprises a gas instrument (15), a waterproof box (1), a gas inlet water-vapor separation device, a gas inlet linkage motor (6), a bidirectional air pump (8), a light sensation water level sensor (9), an exhaust linkage motor (10), an exhaust and drainage water-vapor separation device, a condensation and drainage exhaust device (14), a pressure sensor (16) and a core controller (17);
the bidirectional air pump (8), the light-sensitive water level sensor (9), the dew condensation drainage exhaust device (14), the gas meter (15), the pressure sensor (16) and the core controller (17) are all arranged in the waterproof box (1);
the dew condensation drainage exhaust device (14) is arranged above the bidirectional air pump (8), the light-sensitive water level sensor (9), the gas instrument (15), the pressure sensor (16) and the core controller (17), the dew condensation drainage exhaust device (14) is connected with an exhaust drainage water-vapor separation device, the exhaust drainage water-vapor separation device is positioned on the side wall of the waterproof box (1), and the position of the exhaust drainage water-vapor separation device is lower than that of the dew condensation drainage exhaust device (14);
the gas instrument (15) is connected with a core controller (17), and the core controller (17) is connected with a gas inlet linkage motor (6), a bidirectional gas pump (8), a light sensation water level sensor (9) and an exhaust linkage motor (10); the air inlet linkage motor (6) is connected with an air inlet water-vapor separation device, the bidirectional air pump (8) is connected with the air inlet water-vapor separation device, the air inlet water-vapor separation device is positioned on the side wall of the waterproof box (1), and the position of the air inlet water-vapor separation device is lower than that of the air instrument (15) and the core controller (17); the exhaust linkage motor (10) is connected with an exhaust drainage water vapor separation device (specifically a double-layer exhaust valve 11 in the connection device), and the dew drainage exhaust device (14) is connected with the exhaust drainage water vapor separation device;
the light-sensitive water level sensor (9) is positioned at the bottom in the waterproof box (1).
The air inlet water-vapor separation device comprises a double-layer air inlet valve (4), wherein the double-layer air inlet valve (4) comprises an outer side rubber plug (4-1), a linkage rod (4-2) and an inner side rubber plug (4-3); the outer side rubber plug (4-1) is connected with the inner side rubber plug (4-3) through a linkage copper rod (4-2), the inner side rubber plug (4-3) is fixed on a sleeve (4-4), the sleeve (4-4) is sleeved on a side wall cylinder (4-5), the sleeve (4-4) can move relative to the side wall cylinder (4-5), one end of a spring (4-6) is located in the sleeve (4-4), and the other end of the spring is located in the side wall cylinder (4-5);
the air inlet water-vapor separation device also comprises an I-shaped cavity arranged on the side wall of the waterproof box (1), wherein the I-shaped cavity comprises a front vertical cavity (1-1), a transition transverse cavity (1-2) and a rear vertical cavity (1-3), the front vertical cavity (1-1) is communicated with the rear vertical cavity (1-3) through the transition transverse cavity (1-2), an outer side glue plug (4-1) is positioned in the front vertical cavity (1-1), an inner side glue plug (4-3) is positioned in the rear vertical cavity (1-3), and a linkage rod (4-2) penetrates through the front end and the rear end of the transition transverse cavity (1-2) and is respectively connected with the outer side glue plug (4-1) and the inner side glue plug (4-3);
the air inlet water-vapor separation device also comprises a box body air inlet (4-10-1) arranged on the inner side of the side wall of the waterproof box (1), the box body air inlet (4-10-1) is connected with a bidirectional air pump (8), and the box body air inlet (4-10-1) is communicated with the rear vertical cavity (1-3);
the air inlet linkage motor (6) is arranged on the inner side of the side wall of the waterproof box (1), the air inlet linkage motor (6) is connected with a steel wire rope (4-9), the steel wire rope (4-9) is connected with the inner side glue plug (4-3) through a static pulley (4-7), and the inner side glue plug (4-3) is controlled to move back and forth through the air inlet linkage motor (6) and the steel wire rope (4-9); when the air inlet linkage motor (6) pulls the inner side rubber plug (4-3) to move backwards to the end, the rear side of the inner side rubber plug (4-3) is tightly attached to the upper rear side wall (B1) and the lower rear side wall (B2) of the rear vertical cavity (1-3) to plug the air inlet (4-10-1) of the box body, and at the moment, the rear side of the outer side rubber plug (4-1) is tightly attached to the upper rear side wall (A1) and the lower rear side wall (A2) of the front vertical cavity (1-1) to plug the front end of the transition transverse cavity (1-2);
the inner side glue plug (4-3) moves forwards to the foremost end, the lower part of the inner side glue plug (4-3) is tightly attached to the lower front side wall (B3) of the rear vertical cavity (1-3), a gap (H) is reserved between the upper part of the inner side glue plug (4-3) and the upper front side wall (B4) of the rear vertical cavity (1-3), so that the upper part of the transition transverse cavity (1-2) is communicated with the box body air inlet (4-10-1) through the gap (H) to form an air inlet channel (C), and at the moment, the outer side glue plug (4-1) is separated from the upper rear side wall (A1) and the lower rear side wall (A2).
A lateral wall middle component (5-3) is arranged in the transition transverse cavity (1-2), a drain hole (5-3-1) is arranged on the lateral wall middle component (5-3), a gap for water to flow through is reserved between the bottom of the lateral wall middle component (5-3) and the bottom surface (D) of the transition transverse cavity (1-2), and the bottom surface (D) of the transition transverse cavity (1-2) is an inclined surface inclined towards the front vertical cavity (1-1).
The side wall middle component (5-3) is of a structure formed by a plurality of protrusions (5-3-2), low-lying positions (5-3-3) are formed between every two adjacent protrusions (5-3-2), the drain holes (5-3-1) are located at the bottoms of the low-lying positions, the tops of the protrusions (5-3-2) are planes, the linkage rods (4-2) are located at the tops of the protrusions (5-3-2), and the top ends of the transition transverse cavities (1-2) are of inverted triangular structures (1-2-1).
The outer side of the front vertical cavity (1-1) is provided with an opening, a dustproof water-stop net cover (3) is arranged at the opening, the dustproof water-stop net cover (3) comprises a cover body (3-1) and a dustproof water-stop material (3-2), the cover body (3-1) covers the opening, and the dustproof water-stop material (3-2) is located on the inner side of the cover body (3-1).
The exhaust and drainage water-vapor separation device comprises a double-layer exhaust valve (11), wherein the double-layer exhaust valve (11) comprises an outer side rubber plug (11-1), a linkage rod (11-2) and an inner side rubber plug (11-3); the outer side rubber plug (11-1) is connected with the inner side rubber plug (11-3) through a linkage rod (11-2), the inner side rubber plug (11-3) is fixed on a sleeve (11-4), the sleeve (11-4) is sleeved on a side wall barrel (11-5), the sleeve (11-4) can move relative to the side wall barrel (11-5), one end of a spring (11-6) is positioned in the sleeve (11-4), and the other end of the spring is positioned in the side wall barrel (11-5);
the air exhaust and drainage water vapor separation device also comprises an I-shaped cavity positioned on the side wall of the waterproof box (1), wherein the I-shaped cavity comprises an air exhaust front vertical cavity (1-5), an air exhaust transition transverse cavity (1-6) and an air exhaust rear vertical cavity (1-7), the air exhaust front vertical cavity (1-5) is communicated with the air exhaust rear vertical cavity (1-7) through the air exhaust transition transverse cavity (1-6), an outer side rubber plug (11-1) is positioned in the air exhaust front vertical cavity (1-5), an inner side rubber plug (11-3) is positioned in the air exhaust rear vertical cavity (1-7), and a linkage rod (11-2) penetrates through the front end and the rear end of the air exhaust transition transverse cavity (1-6) and is respectively connected with the outer side rubber plug (11-1) and the inner side rubber plug (11-3);
the air exhaust, drainage and water vapor separation device also comprises an air exhaust and water discharge port (11-10-1) on the inner side of the side wall of the waterproof box (1), the air exhaust and water discharge port (11-10-1) is connected with a dew condensation, drainage and air exhaust device (14), and the air exhaust and water discharge port (11-10-1) is communicated with the vertical cavity (1-7) after air exhaust;
the exhaust linkage motor (10) is arranged on the inner side of the side wall of the waterproof box (1), the exhaust linkage motor (10) is connected with a steel wire rope (11-9), the steel wire rope (11-9) is connected with the inner side rubber plug (11-3) through a static pulley (11-7), and the inner side rubber plug (11-3) is controlled to move back and forth through the exhaust linkage motor (10) and the steel wire rope (11-9); when the exhaust linkage motor (10) pulls the inner side rubber plug (11-3) to move backwards to the end, the rear side of the inner side rubber plug (11-3) is tightly attached to the upper rear side wall (F1) and the lower rear side wall (F2) of the exhaust rear vertical cavity (1-7) to plug the exhaust outlet (11-10-1), and at the moment, the rear side of the outer side rubber plug (11-1) is tightly attached to the upper rear side wall (E1) and the lower rear side wall (E2) of the exhaust front vertical cavity (1-5) to plug the front end of the exhaust transition transverse cavity (1-6);
when the inner side glue plug (11-3) moves forwards to the foremost end, the upper part of the inner side glue plug (11-3) is tightly attached to the upper front side wall (F3) of the exhaust rear vertical cavity (1-7), a gap (J) is reserved between the lower part of the inner side glue plug (11-3) and the lower front side wall (F4) of the exhaust rear vertical cavity (1-7), so that the lower part of the exhaust transition transverse cavity (1-6) is communicated with the exhaust outlet (11-10-1) through the gap (J) to form a drainage and exhaust channel (N), and at the moment, the outer side glue plug (11-1) is separated from the upper rear side wall (E1) and the lower rear side wall (E2).
A box side wall middle component (12-3) is arranged in the exhaust transition transverse cavity (1-6), a drain hole (12-3-1) is arranged on the side wall middle component (12-3), a gap for water to flow through is reserved between the bottom of the box side wall middle component (12-3) and the bottom surface (G) of the exhaust transition transverse cavity (1-6), and the bottom surface (G) of the exhaust transition transverse cavity (1-6) is an inclined plane inclined towards the exhaust front vertical cavity (1-5).
The middle component (12-3) of the side wall of the box body is of a structure formed by a plurality of convex parts (12-3-2), a low-lying part is formed between every two adjacent convex parts (12-3-2), the drain hole (12-3-1) is positioned at the bottom of the low-lying part, the top of each convex part (12-3-2) is a plane, the linkage rod (11-2) is positioned at the top of each convex part (12-3-2), and the top end of the exhaust transition transverse cavity (1-6) is of an inverted triangular structure (1-6-1).
The outer side of the vertical cavity (1-5) before exhaust is provided with an opening, a dustproof water-stop net cover is arranged at the opening and comprises a cover body (A3-1) and a dustproof water-stop material (A3-2), the cover body (A3-1) covers the opening, and the dustproof water-stop material (A3-2) is positioned on the inner side of the cover body (A3-1).
The condensation drainage exhaust device (14) comprises a condensation top plate (14-1) and a water accumulation drainage tank (14-2), the condensation top plate (14-1) is located above the water accumulation drainage tank (14-2), the bottom of the condensation top plate (14-1) is provided with a plurality of inverted triangle-shaped bulges (14-1-1), the inverted triangle-shaped bulges (14-1-1) correspond to the water accumulation drainage tank (14-2), and the bottom of the water accumulation drainage tank (14-2) is provided with a drainage exhaust hole (14-3-1) communicated with an exhaust outlet (11-10-1).
One or all of the exhaust outlet (11-10-1) and the box body air inlet (4-10-1) is/are provided with a connecting seat, the connecting seat comprises a connecting flange (20) and a sealing gasket, the connecting flange (20) comprises a flange chassis (20-1) and a connecting sleeve (20-2), and the connecting sleeve (20-2) is connected with the flange chassis (20-1);
the sealing washer comprises a bottom annular ring (21) and a raised annular ring (22), the raised annular ring (22) is connected with the bottom annular ring (21), and the raised annular ring (22) comprises an inner bottom inclined plane ring, an inner middle inclined plane ring and an inner upper inclined plane ring;
the inner wall (22-1) of the inner bottom bevel ring is of a reducing structure with the diameter gradually reduced from inside to outside, the inner middle bevel ring is connected with the inner bottom bevel ring, the inner wall (22-2) of the inner middle bevel ring is of a reducing structure with the diameter gradually reduced from inside to outside, and a groove (Q) is formed at the connecting position of the inner wall (22-2) of the inner middle bevel ring and the inner wall (22-1) of the inner bottom bevel ring;
the inner upper inclined plane ring is connected with the inner middle inclined plane ring, and the inner wall (22-3) of the inner upper inclined plane ring is of a flaring structure with gradually exaggerated diameter from inside to outside; a bulge (P) is formed at the joint of the inner upper inclined plane ring and the inner wall of the inner middle inclined plane ring;
the outer side surface (22-4) of the raised annular ring (22) is of a necking structure with the diameter gradually reduced from inside to outside, and an arc-shaped part (R) is formed between the outer side surface (22-4) and the inner wall (22-3) of the inner upper inclined ring;
the connecting seat is connected with the dewing drainage exhaust device (14) through a connector, the connector is a part connected with the connecting seat when in use, the connector comprises a connector rear pipe (23) and a connector front pipe (24) extending into the exhaust outlet (11-10-1) when in use, the diameter of the outer wall of the connector rear pipe (23) is larger than that of the outer wall of the connector front pipe (24), a clip notch (S) for clipping the convex annular ring (22) is arranged on the outer wall of the joint of the connector rear tube (23) and the connector front tube (24), the side wall (S-1) of the outer ring of the clip notch (S) is an inclined plane which is matched with the outer side surface (22-4) of the raised annular ring (22), the side wall (S-2) of the inner ring of the clip notch (S) is an inclined plane which is matched with the inner wall (22-3) of the inner upper inclined plane ring of the raised annular ring (22); the bottom of the clip notch (S) is an arc bottom (S-3) which is matched with the arc part (R);
the inner wall of the flange chassis (20-1) is provided with a bayonet (T) used for clamping and fixing the bottom annular ring (21) when in use.
When the connector is connected with the connecting seat, the outer wall of the connector rear pipe (23) is flush with the outer wall of the connecting sleeve (20-2), and the connector rear pipe (23) is connected with the connecting sleeve (20-2) through a temporary connecting piece;
a water receiving pit (23-1) is arranged on the outer ring side wall (S-1) of the clamp notch (S), a water storage cavity (23-2) is arranged on the outer wall of the connector rear pipe (23), and the water receiving pit (23-1) is communicated with the water storage cavity (23-2).
The advantages and effects are as follows:
the invention provides an intelligent waterproof gas instrument box and a design method thereof, aiming at overcoming the defects of the existing gas monitoring equipment and gas instruments. In order to keep the product beautiful and keep the normal reading function of the display screen of the original gas instrument, the box body of the gas instrument is processed and manufactured by using a thickened transparent acrylic plate (the thickness of the acrylic plate is selected according to the pressure and the volume of the box body, the invention uses the acrylic plate with the thickness of 50MM for processing), the front panel of the box body is designed into a double-shaft door opening and closing mode, the upper part and the lower part are respectively provided with 2 locking buckles, a double-sealing adhesive tape is used for sealing design between a panel door and the box body (the double-sealing adhesive tape is the existing sealing structure, namely a double-fixed shaft, is firmer, the double-sealing adhesive tape is used for design, other existing sealing designs can be adopted, the other parts of the box body are connected and coated with sol and then fixed, the air inlet valve and the air outlet valve can be integrally processed by using a processed sol bonding process, and can also be integrally processed by using other existing known processes; the vacuum pressure in the box body can reach 0.1 Mpa; and controlling the valves of the box body to be completely closed, connecting a negative pressure meter to extract air in the box to enable the air to reach negative 0.1Mpa, closing an air passage to observe the sealing effect (pressure meter value), and keeping the pressure unchanged for 20 days. After the index is reached, the box body can be kept to be about 10M deep under water without water, and meanwhile, the transmittance of the acrylic plate is good, so that the data measurement value of the display screen of the gas instrument can be easily read, and the maintenance and inspection of engineering technicians are facilitated. Different types of gas meters or all-in-one gas meters can be placed in the waterproof box at will. The instrument box side wall is provided with a water-vapor separation device, and the air tightness is further ensured by the double-layer air inlet valve and the double-layer air outlet valve. The two-way air pump of air cycle device has been installed to the box, the air inlet linkage valve has been designed to the lateral wall, the exhaust linkage valve, steam separator, dew exhaust device has been designed on the equipment top, the inside nuclear controller that has of equipment, light sense level sensor, box pressure sensor, external interface uses the waterproof aviation plug 2 of high protection level (draw the circuit away, be used for power supply and signal transmission), and dustproof water proof wire netting cover device, and then the reliability and the high-grade IP68 protectiveness of having promoted the protecting box, waterproof nature.
This waterproof gaseous instrument box of intelligence is when normal during operation, and accessible control interface configuration working parameter, data acquisition mode divide into two kinds: the method comprises real-time acquisition and interval acquisition, wherein the real-time acquisition is continuous acquisition with high real-time performance and uninterrupted system, and the interval acquisition can set data acquisition time and data acquisition interval. After the data acquisition mode is configured, the core controller reads the monitoring data value of the light sensation water level sensor in real time according to configuration parameters, when the water level outside the box body is more than 10CM away from the bottom of the box body, the exhaust linkage motor and the air inlet linkage motor are controlled to be opened, the bidirectional air pump of the air circulation device is opened, pressure data in the box body are read, the air inflow of the bidirectional air pump of the air circulation device is adjusted, the air inside the box body is circulated within a normal pressure range, after appropriate time delay, after external air is circulated and filled into the box body, the data of the gas instrument is acquired, and the acquired data are transmitted remotely. The air circulation device comprises a core board, an air inlet linkage motor, an air outlet linkage motor, a control center and an instrument box, wherein the core board controls the air inlet linkage motor and the air outlet linkage motor to be closed in sequence when the water level outside the box body is monitored to be less than or equal to 10CM from the bottom of the box body, so that the box body works in a sealed state, and meanwhile, the core control device sends an alarm signal to the control center to report the current state of the instrument box. When the water level outside the box body is detected to be 15CM away from the bottom of the box body, the core controller controls the automatic accumulated water cleaning state to be entered (after the box body is flooded with water, when the water level is lowered, residual water exists in the inner side of the net cover 3-1, the front vertical cavity (1-1) and the cavity of the front vertical cavity (1-5) for exhausting, the residual water is prevented from being sucked into the box body, the accumulated water needs to be cleaned, the accumulated water cleaning is realized through exhausting, the water is blown out through pressurization of the bidirectional air pump 8, the accumulated water cleaning level is increased, and the core controller works according to configuration parameters again after the cleaning is completed. The invention can also be used for other electronic equipment which needs to work in a water-invading environment, and can be directly produced and used only by changing the structure of the electronic equipment.
The technical scheme adopted by the invention for realizing the purpose is as follows: the instrument box comprises a box body structure, a hardware circuit, a program control flow logic and the like. Wherein 1 is whole waterproof box, 2IP68 high protection level aviation connector, 3 dustproof water proof net lids, 4 double-deck admission valves, 5 steam separator that admits air, 6 linkage motors that admit air, 7 admission pipes, 8 two-way air pumps, 9 light sense water level sensor, 10 exhaust linkage motors, 11 double-deck discharge valves, 12 exhaust drainage steam separator, 13 exhaust drain pipes, 14 dew condensation drainage exhaust apparatus, 15 gas meters, 16 pressure sensor, 17 core controller, 18 switching power supplies.
The invention constructs a gas instrument waterproof box body according to the structural form of the internal section view of figure 1, wherein 1 is the whole gas instrument box body, the box body is processed and manufactured by using a thickened acrylic plate, and the gas instrument waterproof box body is processed and manufactured by using a 50MM thick acrylic plate. (this box can be according to the pressure size that waterproof degree of depth corresponds and the thickness of box volume size selection acrylic plate.) box front panel one side design is the biax door mode of opening and shutting, respectively have a lock buckle to be used for the locking of panel door about the opposite side of door, use double containment adhesive tape to seal between panel door and the box, the lateral wall has designed steam separator, double-deck admission valve and discharge valve, other parts of box are connected and are paintd the bolt fastening after the colloidal sol, make its vacuum pressure can reach 0.1Mpa and pressurize 20 days, reach this box and can keep being about not intaking of 10M depths under water after the index. Wherein 2 is the power supply and the communication terminal of whole gas meter box, and this terminal is IP 68's aviation connector, and 3 dustproof water proof net lid is the filter equipment of air passage, prevents inside dust, water droplet, insect etc. get into two-way air pump or box. The dustproof water-proof net cover is divided into a cover body 3-1 and dustproof water-proof materials 3-2, the dustproof water-proof materials 3-2 are installed inside the dustproof water-proof net cover 3-1, and the dustproof water-proof net cover 3 is fixedly installed on two sides of the waterproof box, namely an air inlet communicated with the outside and an air outlet communicated with the outside. The double-layer air inlet valve 4 comprises a linkage rubber plug consisting of an outer side rubber plug 4-1, a linkage copper rod 4-2 and an inner side rubber plug 4-3, the inner side rubber plug 4-3 is fixed on an aluminum rubber plug sleeve 4-4, a spring 4-6 is arranged in the aluminum rubber plug sleeve 4-4, a side wall cylinder 4-5 is arranged on the outer side of the spring 4-6 and is arranged on the inner side of the aluminum rubber plug sleeve 4-4, reciprocating motion can be realized by the structure, and the linkage air inlet motor 6 rotates to drive a steel wire rope 4-9 to pull the rubber plug 4-3, the aluminum rubber barrel 4-4, the linkage copper rod 4-2 and the outer side rubber plug 4-1 to move together through the direction of transformation of a static pulley 4-7, so that the valve body core is opened and closed. The outer rubber plug 4-1 and the inner rubber plug 4-3 are integrally formed by injection molding, the inner part of the outer rubber plug 4-1 and the inner rubber plug 4-3 are round steel plates, the outer side of the outer rubber plug 4-3 is an injection molding integral rubber sleeve, the center of the outer rubber sleeve is a 4MM protruding bolt, a linkage copper rod 4-2 is fastened on the protruding bolts of the outer rubber plug 4-1 and the inner rubber plug 4-3, the inner bolt of the inner rubber plug 4-3 is fastened on the aluminum rubber plug sleeve 4-4, so that a linkage effect is achieved, specifically, as shown in figure 6, the outer rubber plug 4-1 is an inner layer and an outer layer, the outer layer is of a structure, the inner part of the outer layer (the layer on the left side shown in figure 6) is a round steel plate 4-1-1, the outer side of the round steel plate 4-1-5 is an injection molding integral rubber sleeve 4-1-3, the outer side, the diameter of the inner layer is smaller than that of the outer layer; after the inner layer and the outer layer are concentrically arranged, the center is 4MM convex bolts 4-1-3, and the 4MM convex bolts 4-1-3 are connected with one end of a linkage copper rod 4-2;
similarly, the inner rubber plug 4-3 is divided into an inner layer and an outer layer, the inner part of the outer layer is a circular steel plate 4-3-1, the outer side of the circular steel plate 4-3-1 is an injection molding integral rubber sleeve 4-3-6, the inner part of the inner layer is a circular steel plate 4-3-2, the outer part of the circular steel plate 4-3-2 is an injection molding integral rubber sleeve 4-3-5, the diameter of the inner layer is smaller than that of the outer layer, the center of the outer layer is a 4MM boss bolt 4-3-3 after the outer layer is concentrically arranged, and the 4MM boss bolt 4-3-3 is connected with the other end of the linkage copper rod 4-2;
the structure of the double-layered exhaust valve 11 is the same as that of the double-layered intake valve 4.
4-1 and 4-3, one end of which is connected with the 5-1 and 5-2 box bodies to form a closed cavity or an open cavity, and a middle component 5-3 on the side wall plays a role of supporting the 4-double-layer air inlet valve, wherein, a box body air inlet seat 4-10 is connected with an air inlet pipe 7, the other end is connected with a box body air inlet 4-10-1, and the box body air inlet 4-10-1 is communicated to the inside of the air inlet steam separation device;
the air inlet water-vapor separation device 5 mainly comprises a box side wall upper part 5-1, a box side wall middle part 5-3, a box side wall lower part 5-2, a double-layer air inlet valve 4 and the like, wherein an I-shaped cavity is formed between the box side wall upper part 5-1 and the box side wall lower part 5-2. The structure of the middle part 5-3 of the side wall of the box body is designed for discharging residual water or blocking water drenching, a circular drain hole is formed in the lower part 5-3 of the middle part of the side wall of the box body, the residual water at the port flows to the lower part 5-2 of the side wall of the box body at the bottom through the drain hole, the lower part of the side wall of the box body is designed to be an oblique angle, and the water can be effectively discharged to the dustproof water-proof mesh cover 3. Meanwhile, a double-layer air inlet valve 4 in the air inlet water-vapor separation device 5 and the integral shell 1 form an integral structure, an upper air inlet channel C (namely the upper part of the transition transverse cavity 1-2) is formed on the upper part 5-1 of the side wall of the box body and the double-layer air inlet valve 4, a water drainage channel (specifically, a water drainage channel is formed between the linkage copper rod 4-2 and the inclined plane D) is formed on the bottom 5-2 of the side wall of the lower box body and the double-layer air inlet valve 4, and the structure can effectively prevent water from entering. The top end of the middle part 5-3 of the side wall is in a plane design, the linkage copper rod 4-2 is supported to play a limiting role, and the design of the double-layer air inlet valve 4 in the air inlet water-vapor separation device 5 can prevent residual water from entering the bidirectional air pump and the box body. And an air inlet linkage motor 6 is linked with the double-layer air inlet valve 4 through a steel wire rope 4-6 and a static pulley 4-7 to control the double-layer air inlet valve to be opened and closed, so that the air inlet channel of the box body is opened and closed. The gas outside the box body can enter conveniently, and meanwhile, the inflow of water outside the box body is cut off and blocked. And the air inlet pipe 7 is used for realizing the connection of an air inlet channel of the air inlet hole of the box body to the air inlet hole of the bidirectional air pump 8. And one end of the bidirectional air pump 8 is connected with the air inlet pipe 7, and the other end of the bidirectional air pump is suspended. The light-sensitive water level sensor 9 collects the water level state at the bottom of the box body through the core controller 17 so as to control the state of an air inlet and exhaust valve of the box body. The exhaust linkage motor 10 is linked with the double-layer exhaust valve 11 through a steel wire rope 11-9 and a fixed pulley 11-7, and can control the double-layer exhaust valve to open and close, so that the exhaust passage of the box body is opened and closed, gas or liquid in the box body can be conveniently exhausted, and meanwhile, the inflow of water outside the box body is cut off and blocked. The box body exhaust port seat 11-10 is connected with one end of an exhaust drain pipe 13, the other end of the exhaust drain pipe 13 is connected with a 14-3 drainage exhaust seat of a dew condensation drainage exhaust device (14), meanwhile, an exhaust drainage water vapor separation device 12, a double-layer exhaust valve 11 in the exhaust drainage water vapor separation device and an integral shell 1 form an integral structure, the realization mode is basically the same as that of an air inlet valve, different structures are positioned at the joint of the upper part 12-1 of the box body exhaust side wall and an exhaust rubber plug 11-3, the inner rubber plug 11-3 of the exhaust valve and the upper part 12-1 of the box body exhaust side wall are closed during exhaust, so that an air passage is exhausted from the lower side of a valve body, and dew can be effectively exhausted out. The design of the double-layer exhaust valve 11 in the exhaust and drainage water-vapor separation device 12 can prevent residual water from entering the interior of the box body, and meanwhile, dew or moisture in the interior of the box body can be discharged out of the box body through the dew drainage exhaust device 14 and the exhaust drain pipe 13, and the special structures of the exhaust and drainage water-vapor separation device 12 and the double-layer exhaust valve 11 can effectively discharge the dew water out of the box body. The exhaust and drainage pipe 13 is an exhaust and drainage passage from the dew condensation drainage device 14 to the exhaust and drainage port 11-10 of the box body 1. A dewing drainage exhaust device 14 comprises a dewing top plate 14-1, a ponding drainage groove 14-2 and a drainage exhaust seat 14-3, wherein the dewing top plate 14-1 is processed on the top plate of a box body 1, when moisture exists in the box body, due to the fact that the dense triangular heat dissipation area of the dewing top plate is large, water vapor dews on the dewing top plate 14-1, due to the fact that the top plate is designed in an inverted triangle, the dewing water drops in the ponding drainage groove 14-2, the ponding drainage groove 14-2 is designed in an oblique angle mode, the water vapor is exhausted through the drainage seat 14-3 and an exhaust drain pipe 13, the water vapor is exhausted out of the box after passing through a double-layer exhaust valve 11 of an exhaust drainage device 12, and gas is exhausted together from the channels (the residual water is exhausted and blown out), and. The gas meter 15 may be a single gas meter or an all-in-one gas meter, and may be selected by any user. And the box body pressure sensor 16 is used for acquiring the internal pressure of the box body to ensure that the internal pressure of the box body is stable, and the box body pressure sensor 16 is connected with the core controller. And the core controller 17 is used for acquiring information of the light-sensitive water level sensor and information of the box body pressure sensor, controlling the action of the integral air valve and the action of the air pump, and acquiring data of the gas meter and remote data. The switch power supply 18, the gas instrument power supply and core control power supply module in the box body provide a working power supply for the whole box body.
The invention has the following beneficial effects and advantages:
1. the invention uses the 4-in-one gas instrument, the box body has small volume, convenient installation and flexible design;
2. the invention uses the acrylic plate to design the box body, is convenient to maintain and read the data of the gas instrument, and reduces the development cost;
3. the invention uses the form of double-shaft opening and closing door, which is convenient for engineering technicians to maintain;
4. the invention uses the design of a bidirectional air pump and a double-layer air valve, thereby improving the functionality of the product;
5. the dew drainage and exhaust device is designed in the box body, so that the problem of dew condensation in the box body is effectively solved;
6. the side wall of the box body is provided with the water-vapor separation device, so that the problem that water easily enters the interior of the box body after the box body is drenched or soaked is effectively avoided;
7. the integral waterproof box can realize the waterproofness of 10 meters under water;
8. the invention can effectively protect the water resistance of the gas instrument;
9. the invention improves the reliability of monitoring the gas instrument of the tunnel project;
10. the invention can further improve the reliability of the product by using the pressure sensor and the light-sensitive water level sensor;
11. the design method of the invention is flexible, can facilitate the design change, facilitate the multiple schemes to use;
drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the overall structure of an intelligent waterproof gas instrument box according to the present invention;
FIG. 2 is a schematic structural view of the intake air-water separation device and the open state of the double-layer intake valve according to the present invention;
FIG. 3 is a schematic structural view of the intake air moisture separator and the closed state of the double-layer intake valve of the present invention;
FIG. 4 is a schematic structural view of the exhaust gas-water separation device and the open state of the double-layer exhaust valve according to the present invention;
FIG. 5 is a schematic structural view of the exhaust gas-water separation device and a closed state of a double-layer exhaust valve according to the present invention;
FIG. 6 is a schematic diagram of the valve core rubber plug of the air valve of the present invention;
FIG. 7 is a dew condensation drain vent apparatus of the present invention;
FIG. 8 is a functional block diagram of the core controller of the present invention;
FIG. 9 is an overall block control flow diagram of the present invention;
FIG. 10 is a schematic view of the dust-proof and water-proof net cover;
FIG. 11 is a schematic view of a connection structure of the connection seat and the connection head;
FIG. 12 is a schematic view of the connecting socket;
FIG. 13 is a schematic structural diagram of a connecting head;
FIG. 14 is an enlarged view of the circled portion indicated by Y in FIG. 11;
fig. 15 is a schematic view of a prior art pull buckle.
Description of reference numerals:
the device comprises a whole waterproof box 1, a 2IP68 high-protection-level aviation connector, a3 dustproof water-stop net cover, a 4 double-layer air inlet valve, a 5 air inlet water-vapor separation device, a 6 air inlet linkage motor, a 7 air inlet pipe, an 8 bidirectional air pump, a 9 light sensation water level sensor, a 10 exhaust linkage motor, a 11 double-layer exhaust valve, a 12 exhaust drainage water-vapor separation device, a 13 exhaust drain pipe, a 14 condensation drainage exhaust device, a 15 gas instrument, a 16 pressure sensor, a 17 core controller and a 18 switching power supply.
Detailed Description
A waterproof gas meter box, comprising a gas meter (15), characterized in that: the waterproof box is characterized by further comprising a waterproof box (1) (the waterproof box (1) can be made of transparent materials, or at least a surface with a requirement is made of transparent materials such as transparent acrylic materials, the waterproof box (1) can be in a sealing state when needed, and specifically, the waterproof box (1) can be in a sealing state as described later, and comprises an air inlet water-vapor separation device, an air inlet linkage motor (6), a bidirectional air pump (8), a light sensing water level sensor (9), an exhaust linkage motor (10), an exhaust and drainage water-vapor separation device, a dew and drainage exhaust device (14), a pressure sensor (16) and a core controller (17);
the bidirectional air pump (8), the light-sensitive water level sensor (9), the dew condensation drainage exhaust device (14), the gas meter (15), the pressure sensor (16), the core controller (17) and the switching power supply (18) are all arranged in the waterproof box (1);
the dew condensation drainage exhaust device (14) is arranged above the bidirectional air pump (8), the light-sensitive water level sensor (9), the gas instrument (15), the pressure sensor (16) and the core controller (17), the dew condensation drainage exhaust device (14) is connected with an exhaust drainage water-vapor separation device, the exhaust drainage water-vapor separation device is positioned on the side wall of the waterproof box (1), and the position of the exhaust drainage water-vapor separation device is lower than that of the dew condensation drainage exhaust device (14);
the gas instrument (15) is connected with a core controller (17), and the core controller (17) is connected with a gas inlet linkage motor (6), a bidirectional gas pump (8), a light sensation water level sensor (9) and an exhaust linkage motor (10); the air inlet linkage motor (6) is connected with an air inlet water-vapor separation device (particularly connected with a double-layer air inlet valve (4) in the air inlet water-vapor separation device), the bidirectional air pump (8) is connected with the air inlet water-vapor separation device (through an air inlet pipe (7)), the air inlet water-vapor separation device is positioned on the side wall of the waterproof box (1) (in principle, the air inlet water-vapor separation device and the air exhaust and drainage water-vapor separation device are not positioned on the same side wall), and the position of the air inlet water-vapor separation device is lower than that of the gas instrument (15) and the core controller (17) (preferably, the air inlet water-vapor separation device is positioned close to the bottom and cannot be higher; the exhaust linkage motor (10) is connected with an exhaust drainage water-vapor separation device (specifically a double-layer exhaust valve 11 in the connection device), and the dew drainage exhaust device (14) is connected to the exhaust drainage water-vapor separation device (the exhaust drainage water-vapor separation device is positioned on the side wall close to the top end of the waterproof box (1));
the light-sensitive water level sensor (9) is positioned at the bottom (convenient for collecting the water level at the bottom) in the waterproof box (1).
The air inlet water-vapor separation device comprises a double-layer air inlet valve (4), wherein the double-layer air inlet valve (4) comprises an outer side rubber plug (4-1), a linkage copper rod (4-2) and an inner side rubber plug (4-3); the outer side glue plug (4-1) is connected with the inner side glue plug (4-3) through a linkage copper rod (4-2), the inner side glue plug (4-3) is fixed on an aluminum glue plug sleeve (4-4), the sleeve (4-4) is sleeved on a side wall cylinder (4-5), the sleeve (4-4) can move (namely axially move or transversely move as shown in figure 2) relative to the side wall cylinder (4-5), one end of a spring (4-6) is positioned in the sleeve (4-4), the other end of the spring is positioned in the side wall cylinder (4-5) (namely the front end of the spring (4-6) is connected with the inner wall of the front end of the sleeve (4-4), and the rear end of the spring (4-6) is connected with the inner wall of the rear end of the side wall cylinder (4-5));
the air inlet water-vapor separation device also comprises an I-shaped cavity arranged on the side wall of the waterproof box (1), wherein the I-shaped cavity comprises a front vertical cavity (1-1), a transition transverse cavity (1-2) and a rear vertical cavity (1-3), the front vertical cavity (1-1) is communicated with the rear vertical cavity (1-3) through the transition transverse cavity (1-2) (forming an I-shaped structure, also called an H-shaped structure), the outer side glue plug (4-1) is positioned in the front vertical cavity (1-1), the inner side glue plug (4-3) is positioned in the rear vertical cavity (1-3), and the linkage copper rod (4-2) penetrates through the front end and the rear end of the transition transverse cavity (1-2) to be respectively connected with the outer side glue plug (4-1) and the inner side glue plug (4-3);
the air inlet water-vapor separation device also comprises a box body air inlet (4-10-1) arranged on the inner side of the side wall of the waterproof box (1), the box body air inlet (4-10-1) is provided with a box body air inlet seat (4-10) (through an air inlet pipe (7), specifically, the box body air inlet seat (4-10-1) is provided with a box body air inlet seat (4-10), the box body air inlet seat (4-10) is communicated with the air inlet pipe (7), the air inlet pipe (7) is connected with a bidirectional air pump (8), and the box body air inlet (4-10-1) is communicated with the rear vertical cavity (1-3;
the air inlet linkage motor (6) is arranged on the inner side of the side wall of the waterproof box (1), the air inlet linkage motor (6) is connected with a steel wire rope (4-9), an output shaft of the air inlet linkage motor (6) is wound on the steel wire rope (4-9)), the steel wire rope (4-9) is connected with an inner side rubber plug (4-3) after passing through a static pulley (4-7) (the steel wire rope penetrates through a spring (4-6), and the inner side rubber plug (4-3) is controlled to move back and forth (namely move left and right in the figure 2) through the air inlet linkage motor (6) and the steel wire rope (4; when the air inlet linkage motor (6) pulls the inner side glue plug (4-3) to move backwards (namely to the right side shown in figure 2) to the end, the rear side of the inner side glue plug (4-3) is tightly attached to the upper rear side wall (B1) and the lower rear side wall (B2) of the rear vertical cavity (1-3) to plug the air inlet (4-10-1) of the box body, and at the moment, the rear side of the outer side glue plug (4-1) is tightly attached to the upper rear side wall (A1) and the lower rear side wall (A2) of the front vertical cavity (1-1) to plug the front end (namely to the left side of the transition horizontal cavity (1-2) in figure 2) of the transition horizontal cavity (1-2);
the inner side glue plug (4-3) moves forwards to the foremost end, the lower part of the inner side glue plug (4-3) is tightly attached to the lower front side wall (B3) of the rear vertical cavity (1-3), a gap (H) is reserved between the upper part of the inner side glue plug (4-3) and the upper front side wall (B4) of the rear vertical cavity (1-3), so that the upper part of the transition transverse cavity (1-2) is communicated with the box body air inlet (4-10-1) through the gap (H) to form an air inlet channel (C), and at the moment, the outer side glue plug (4-1) is separated from the upper rear side wall (A1) and the lower rear side wall (A2).
(gaps are reserved between the outer side rubber plug (4-1) and the top and the bottom of the front vertical cavity (1-1) and between the inner side rubber plug (4-3) and the top and the bottom of the rear vertical cavity (1-3))
A side wall middle component (5-3) (mainly used for supporting the linkage copper rod (4-2)) is arranged in the transition transverse cavity (1-2), a drain hole (5-3-1) is formed in the side wall middle component (5-3), a gap for water to flow through is reserved between the bottom of the side wall middle component (5-3) and the bottom surface (D) of the transition transverse cavity (1-2), and the bottom surface (D) of the transition transverse cavity (1-2) is an inclined plane inclined towards the front vertical cavity (1-1). (that is, water can flow into the front vertical cavity (1-1))
The side wall middle component (5-3) is of a structure formed by a plurality of protrusions (5-3-2), low-lying positions (5-3-3) are formed between adjacent protrusions (5-3-2), the drain holes (5-3-1) are located at the bottoms of the low-lying positions, the tops of the protrusions (5-3-2) are planes, the linkage copper rods (4-2) are located at the tops of the protrusions (5-3-2), the top ends of the transition transverse cavities (1-2) are inverted triangular structures (1-2-1) (a certain gap is reserved between the inverted triangular structures (1-2-1) and the linkage copper rods (4-2), and the inverted triangular structures (1-2-1) mainly play a role in removing condensed water, preventing water backflow and moisture condensation.
The outer side of the front vertical cavity (1-1) is provided with an opening (an air inlet communicated with the outside) communicated with the outside, the opening is provided with a dustproof and waterproof net cover (3), the dustproof and waterproof net cover (3) comprises a cover body (3-1) (latticed) and a dustproof and waterproof material (3-2) (latticed) (the cover body (3-1) plays a role in fixing, the dustproof and waterproof material (3-2) mainly plays a role in filtering, the principle and the effect of the dustproof and waterproof material (3-2) are similar to those of an air conditioner filter element or a water purification filter element, the dustproof and waterproof material (3-2) can be replaced regularly, the material can adopt a net woven by nylon or other existing known waterproof materials, when the net woven by nylon is adopted, the fine degree of the net can be selected conventionally as required, if the net woven by nylon is adopted, the fixing manner of the cover body and the cover body can be implemented by buckling the upper and lower ends of the dustproof and waterproof material (3-2) on the clamping plate 20, and then screwing the dustproof and waterproof material (3-2) on the frame of the cover body (3-1) after passing through the clamping plate 20 by using screws 21, which is just one fixing manner, and can also be implemented by other existing fixing manners, wherein the cover body (3-1) covers the opening, and the dustproof and waterproof material (3-2) is positioned at the inner side of the cover body (3-1). The dustproof water-stop net cover (3) is mainly used for preventing dust, water drops and insects from entering at ordinary times, so that the dustproof water-stop net cover is called dustproof water-stop, and when air is exhausted and discharged or air is fed, the dustproof water-stop net cover can exhaust and discharge water through pressure or feed air through pressure.
The exhaust and drainage water-vapor separation device comprises a double-layer exhaust valve (11), wherein the double-layer exhaust valve (11) comprises an outer side rubber plug (11-1), a linkage copper rod (11-2) and an inner side rubber plug (11-3); the outer side glue plug (11-1) is connected with the inner side glue plug (11-3) through a linkage copper rod (11-2), the inner side glue plug (11-3) is fixed on an aluminum glue plug sleeve (11-4), the aluminum glue plug sleeve (11-4) is sleeved on a side wall barrel (11-5), the aluminum glue plug sleeve (11-4) can move (namely axially move or transversely move as shown in figure 4) relative to the side wall barrel (11-5), one end of a spring (11-6) is positioned in the aluminum glue plug sleeve (11-4), the other end of the spring is positioned in the side wall barrel (11-5) (namely the front end of the spring is connected with the inner wall of the front end of the aluminum glue plug sleeve (11-4), and the rear end of the spring is connected with the inner wall of the rear end of the side wall barrel (11-5);
the air exhaust and drainage water vapor separation device further comprises an I-shaped cavity located on the side wall of the waterproof box (1) (the I-shaped cavity is not the same as the I-shaped cavity of the air intake and water vapor separation device, and the I-shaped cavity is the other one), the I-shaped cavity comprises an air exhaust front vertical cavity (1-5), an air exhaust transition transverse cavity (1-6) and an air exhaust rear vertical cavity (1-7), the air exhaust front vertical cavity (1-5) is communicated with the air exhaust rear vertical cavity (1-7) through the air exhaust transition transverse cavity (1-6) (i-shaped structure, also called H-shaped structure), the outer side glue plug (11-1) is located in the air exhaust front vertical cavity (1-5), the inner side glue plug (11-3) is located in the air exhaust rear vertical cavity (1-7), and the linkage copper rod (11-2) penetrates through the air exhaust transition transverse cavity (1-6) and is respectively connected with the outer side glue plug (11-1) and the inner side glue plug (11-3);
the air exhaust, drainage and water vapor separation device also comprises an air exhaust and drainage port (11-10-1) on the inner side of the side wall of the waterproof box (1), wherein the air exhaust and drainage port (11-10-1) is connected with a dew-forming, drainage and air exhaust device (14) (specifically, a box body air exhaust and drainage port seat 11-10 is arranged on the air exhaust and drainage port (11-10-1), the box body air exhaust and drainage port seat 11-10 is communicated with the air exhaust and drainage pipe 13, the air exhaust and drainage pipe 13 is connected with the dew-forming, drainage and air exhaust device (14)), and the air exhaust and drainage port (11-10-1) is communicated with an air exhaust vertical cavity (1-7;
the exhaust linkage motor (10) is arranged on the inner side of the side wall of the waterproof box (1), the exhaust linkage motor (10) is connected with a steel wire rope (11-9), an output shaft of the exhaust linkage motor (10) is wound on the steel wire rope (11-9)), the steel wire rope (11-9) is connected with an inner side rubber plug (11-3) after passing through a static pulley (11-7) (the steel wire rope passes through a spring (11-6)), and the inner side rubber plug (11-3) is controlled to move back and forth (namely move left and right as shown in figure 4) through the exhaust linkage motor (10) and the steel wire rope (11-9); when the exhaust linkage motor (10) pulls the inner side rubber plug (11-3) to move backwards (namely, the right side shown in figure 4) to the end, the rear side of the inner side rubber plug (11-3) is tightly attached to the upper rear side wall (F1) and the lower rear side wall (F2) of the exhaust rear vertical cavity (1-7) to plug the exhaust outlet (11-10-1), and at the moment, the rear side of the outer side rubber plug (11-1) is tightly attached to the upper rear side wall (E1) and the lower rear side wall (E2) of the exhaust front vertical cavity (1-5) to plug the front end (namely, the left side of the exhaust transition horizontal cavity (1-6) in figure 4) of the exhaust transition horizontal cavity (1-6);
when the inner side glue plug (11-3) moves forwards to the foremost end, the upper part of the inner side glue plug (11-3) is tightly attached to the upper front side wall (F3) of the exhaust rear vertical cavity (1-7), a gap (J) is reserved between the lower part of the inner side glue plug (11-3) and the lower front side wall (F4) of the exhaust rear vertical cavity (1-7), so that the lower part of the exhaust transition transverse cavity (1-6) is communicated with the exhaust outlet (11-10-1) through the gap (J) to form a drainage and exhaust channel (N), and at the moment, the outer side glue plug (11-1) is separated from the upper rear side wall (E1) and the lower rear side wall (E2). (gaps are reserved between the outer side rubber plug (11-1) and the top and the bottom of the exhaust front vertical cavity (1-5), and gaps are reserved between the inner side rubber plug (11-3) and the top and the bottom of the exhaust rear vertical cavity (1-7)
A box side wall middle component (12-3) (mainly used for supporting a linkage copper rod (11-2)) is arranged in the exhaust transition transverse cavity (1-6), a drain hole (12-3-1) is arranged on the side wall middle component (12-3), a gap for water to flow through is reserved between the bottom of the box side wall middle component (12-3) and the bottom surface (G) of the exhaust transition transverse cavity (1-6), and the bottom surface (G) of the exhaust transition transverse cavity (1-6) is an inclined plane inclined towards the exhaust front vertical cavity (1-5). (namely water can flow into the exhaust front vertical cavity (1-5)))
The middle component (12-3) of the side wall of the box body is of a structure formed by a plurality of convex parts (12-3-2), a low-lying part is formed between every two adjacent convex parts (12-3-2), the drain hole (12-3-1) is positioned at the bottom of the low-lying part, the top of each convex part (12-3-2) is a plane, the linkage copper rod (11-2) is positioned at the top of each convex part (12-3-2), the top end of the exhaust transition transverse cavity (1-6) is of an inverted triangle structure (1-6-1) (a certain gap is reserved between the inverted triangle structure (1-6-1) and the linkage copper rod (11-2), and the inverted triangle structure (1-6-1) mainly plays a role in removing condensed water, preventing water backflow and moisture condensation.
The outer side of the vertical cavity (1-5) before exhausting is provided with an opening (an exhaust port communicated with the outside) communicated with the outside, a dustproof water-stop net cover is arranged at the opening and comprises a cover body (A3-1) and a dustproof water-stop material (A3-2) (the cover body (A3-1) and the dustproof water-stop material (A3-2) are identical to the cover body and the dustproof water-stop material at the outer end of the air inlet water-vapor separation device in structure and material, the cover body (A3-1) covers the opening, and the dustproof water-stop material (A3-2) is positioned at the inner side of the cover body (A3-1).
The condensation drainage exhaust device (14) comprises a condensation top plate (14-1) and a ponding drainage groove (14-2), the condensation top plate (14-1) is located above the ponding drainage groove (14-2), the bottom of the condensation top plate (14-1) is provided with a plurality of inverted triangle-shaped bulges (14-1-1) (downward bulges), the inverted triangle-shaped bulges (14-1-1) correspond to the ponding drainage groove (14-2), and the bottom of the ponding drainage groove (14-2) is provided with a drainage vent hole (14-3-1) communicated with the exhaust outlet (11-10-1). (the drainage exhaust hole (14-3-1) is provided with a drainage exhaust seat 14-3, the drainage exhaust seat 14-3 is communicated with an exhaust outlet (11-10-1) through an exhaust drain pipe 13, the bottom surface of the water accumulation and drainage groove (14-2) is an inclined surface, namely the bottom surface is inclined towards the drainage exhaust hole (14-3-1) so that water flows out more quickly and conveniently)
One or both of the exhaust and drain port (11-10-1) and the box body air inlet 4-10-1 are provided with a connecting seat (namely the connecting seat can be only arranged at the exhaust and drain port (11-10-1) or the box body air inlet 4-10-1, or can be arranged at the exhaust and drain port (11-10-1) and the box body air inlet 4-10-1), the connecting seat comprises a connecting flange (20) and a sealing washer, the connecting flange (20) comprises a flange chassis (20-1) and a connecting sleeve (20-2), and the connecting sleeve (20-2) is connected with the flange chassis (20-1) (when in use, the flange chassis (20-1) is fixed on the inner side wall (12-1) of the waterproof box (1) through a screw rod, 5-1);
the sealing washer comprises a bottom annular ring (21) (the inner diameter of the bottom annular ring (21) is slightly smaller than or just equal to the diameter of the air and water outlet (11-10-1), so that water accumulation between the bottom annular ring (21) and the side wall (12-1) of the waterproof box (1) is prevented, the sealing effect is influenced), and a raised annular ring (22), wherein the raised annular ring (22) is connected with the bottom annular ring (21) (shown in figures 11 and 12), and the raised annular ring (22) comprises an inner bottom inclined plane ring, an inner middle inclined plane ring and an inner upper inclined plane ring;
the inner bottom inclined plane ring is positioned at the exhaust and drainage port (11-10-1), the inner wall (22-1) of the inner bottom inclined plane ring is a reducing structure (the reducing structure has the function of limiting water backflow and enhancing the sealing effect) with the diameter gradually reduced from inside to outside (namely from the inner side of the exhaust and drainage port (11-10-1) to the inside of the waterproof box (1) in a figure 12, namely from left to right in the figure 11), the inner middle inclined plane ring is connected with the inner bottom inclined plane ring, the inner wall (22-2) of the inner middle inclined plane ring is also a reducing structure (the reducing structure has the function of further limiting water and enhancing the sealing effect) with the diameter gradually reduced from inside of the exhaust and drainage port (11-10-1) to the inside of the waterproof box (1) in a figure 12, namely from left to right in the figure 12, and the inclination angle (theta) of the inner wall (22-2) of the inner middle inclined plane ring is smaller than that of the inner wall (22-1) of the inner bottom inclined ring The angle (delta) is formed, so that the connection position of the inner wall (22-2) of the inner middle bevel ring and the inner wall (22-1) of the inner bottom bevel ring forms a groove (Q) (the function of the groove is to further block the backflow water);
the inner upper inclined plane ring is connected with the inner middle inclined plane ring, and the inner wall (22-3) of the inner upper inclined plane ring is a flaring structure (the flaring structure has the function of being convenient for jacking when being connected with a subsequent connector so as to enhance the sealing effect) with the diameter gradually exaggerated from inside to outside (namely from the inner side of the air and water outlet (11-10-1) to the inner side of the waterproof box (1) in fig. 12, namely from left to right); a bulge (P) is formed at the joint of the inner upper inclined plane ring and the inner wall of the inner middle inclined plane ring (the bulge also has a water-blocking effect);
the outer side surface (22-4) of the raised annular ring (22) is of a reducing structure with the diameter gradually reduced from inside to outside (namely from the inner side of the exhaust and drainage port (11-10-1) to the inner side of the waterproof box (1) in fig. 12, namely from left to right as shown in fig. 12), and an arc-shaped part (R) is formed between the outer side surface (22-4) and the inner wall (22-3) of the inner upper inclined ring;
the connecting seat is connected with a dewing drainage exhaust device (14) through a connector (the connector is connected with a drainage exhaust pipe (13), the drainage exhaust pipe (13) is connected with the dewing drainage exhaust device (14)), the connector is a part connected with the connecting seat when in use, the connector comprises a connector rear pipe (23) and a connector front pipe (24) extending into a drainage outlet (11-10-1) or a box body air inlet (4-10-1) when in use, the diameter of the outer wall of the connector rear pipe (23) is greater than that of the outer wall of the connector front pipe (24), a clamp opening (S) used for clamping the convex annular ring (22) is arranged on the outer wall of the joint of the connector rear pipe (23) and the connector front pipe (24), the outer ring side wall (S-1) of the clamp opening (S) is an inclined plane adapted to the outer side surface (22-4) of the convex annular ring (22), the side wall (S-2) of the inner ring of the clip notch (S) is an inclined plane which is matched with the inner wall (22-3) of the inner upper inclined plane ring of the raised annular ring (22); the bottom of the clip notch (S) is an arc bottom (S-3) which is matched with the arc part (R);
the inner wall of the flange chassis (20-1) is provided with a bayonet (T) used for clamping and fixing the bottom annular ring (21) when in use. (the front end of the connector rear pipe (23) is a reducing pipe (233) with a diameter smaller than that of the connector rear pipe (23), the diameter of the outer wall of the reducing pipe (233) is adapted to the diameter of the inner wall of the connecting sleeve (20-2), namely, the reducing pipe (233) can be just accommodated in the connecting sleeve (20-2) when in use, so that the outer diameters of the connector rear pipe (23) and the connecting sleeve (20-2) are flush, as shown in figure 11)
When the connector is connected with the connecting seat, the outer wall of the connector rear pipe (23) is flush with the outer wall of the connecting sleeve (20-2) (namely the diameter of the outer wall is the same), the connector rear pipe (23) is connected with the connecting sleeve (20-2) through a temporary connecting piece (the connecting piece adopts the existing structure, for example, a pull buckle lock (also called a hasp as shown in figure 15) or a nut connecting mode, namely, as shown in figure 11, a nut 25 is arranged on the connecting sleeve (20-2), a limit key (26) is arranged on the outer wall of the connecting sleeve (20-2), the limit key (26) limits the nut 25 to rotate but not move along the axial direction of the connecting sleeve (20-2) or only move a small amount along the axial direction of the connecting sleeve (20-2), and then the outer wall of the connecting position of the connector rear pipe (23) and the connecting sleeve (20-2) is an external thread, the nut 25 is screwed to match with the external thread of the connector rear pipe (23) in a screwing way by screwing the nut 25, so that the connector rear pipe (23) is fixed with the connecting sleeve (20-2), and a sealing gasket can be arranged on the end face of the connecting sleeve (20-2) which is in contact with the connector rear pipe (23), so that the sealing effect is improved;
a water receiving pit (23-1) is arranged on the outer ring side wall (S-1) of the clamp notch (S), a water storage cavity (23-2) is arranged on the outer wall of the connector rear pipe (23), and the water receiving pit (23-1) is communicated with the water storage cavity (23-2). (the side wall of the water storage cavity (23-2) is also provided with a water outlet (23-3) for draining water, the water outlet (23-3) can be screwed with a cover for temporary plugging at ordinary times, which is the same as the structure of a mineral water bottle mouth and a bottle cover, the water outlet (23-3) is equivalent to the bottle mouth of a mineral water bottle, the cover is equivalent to the bottle cover of the mineral water bottle, and the description is omitted here, in addition, in order to observe the water storage condition in the water storage cavity (23-2), the outer wall at the rear part of the water storage cavity (23-2), namely the part without external threads, is provided with an observation window made of transparent materials, the water receiving pit (23-1) has the function of preventing water from seeping to the position of the water receiving pit (23-1), and can receive and drain the water to the water storage cavity (23-2) to play a certain role of seepage prevention, in addition, the leakage condition can be seen at the observation window, so that the convenience and the timely treatment can be realized
The internal diameter of connector back tube (23) is greater than the internal diameter of connector head tube (24), make the internal diameter of connector back tube (23) and the internal diameter of connector head tube (24) link up the department and form flaring inclined plane (J) that enlarges gradually from inside to outside (be promptly from left to right as shown in figure 13), the effect on this inclined plane is, when water or gas come out, to this inclined plane formation apical force, the sealed effect is strengthened to the apical force of further reinforcing card opening (S) and protruding annular ring (22).
When in use, as shown in fig. 11, taking the exhaust and drainage port (11-10-1) as an example, the rear connector pipe (23) is directly connected with the exhaust and drainage pipe 13 (or the air inlet pipe 7) (the connection relationship is the prior art, and is not repeated), the front connector pipe (24) is inserted into the exhaust and drainage port (11-10-1), the reducing pipe 233 is placed in the connecting sleeve (20-2), then the nut 25 is screwed (when using the pull buckle, the nut 25 is directly tightened), the nut 25 is matched with the external thread of the rear connector pipe (23), the rear connector pipe (23) is gradually pressed, the clamping notches (S) gradually press the raised annular ring (22), the inner wall (22-3) of the inner upper inclined surface ring tightly sticks to the inner ring side wall (S-2) of the clamping notches (S), the arc-shaped part (R) tightly sticks to the arc-shaped bottom (S-3), the outer side wall (22-4) tightly sticks to the outer ring side wall (S-1), when the sealing connection is completed and needs to be disassembled or replaced, the nut 25 is reversely screwed.
Of course, the exhaust and drainage port (11-10-1) and the box body air inlet 4-10-1 can be connected with the drainage pipe 13 or the air inlet pipe 7 in other existing modes.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of the intelligent waterproof gas instrument box of the present invention, which is mainly divided into the following parts, including: the air conditioner comprises a1 integral waterproof box, a 2IP68 high-protection-level aviation connector, a3 dustproof water-stop net cover, a 5 air inlet water-vapor separation device (4 double-layer air inlet valves positioned in the air inlet water-vapor separation device), a 6 air inlet linkage motor, a 7 air inlet pipe, a 8 bidirectional air pump, a 9 light sensation water level sensor, a 10 exhaust linkage motor, a 12 exhaust and drainage water-vapor separation device (11 double-layer exhaust valves positioned in the exhaust and drainage water-vapor separation device), a 13 exhaust and drainage pipe, a 14 condensation and drainage exhaust device, a 15 gas instrument, a 16 pressure sensor, a 17 core controller and a 18 switching power supply.
The invention relates to a gas instrument box body, which is characterized in that 1 is the whole gas instrument box body, the box body is processed and manufactured by using a thickened acrylic plate, and the invention is processed and manufactured by using an acrylic plate with the thickness of 50 MM. (this box can be according to the pressure size that waterproof depth corresponds and the thickness of box volume size selection acrylic plate.) box front panel design is biax switch door form, respectively has 2 locks buckle from top to bottom, uses the double containment adhesive tape to seal between panel door and the box, uses the screw fixation after other parts of box connect to paint the sol, makes its vacuum pressure can reach 0.1Mpa and pressurize 20 days, reaches the index after this box can keep being about not intaking in 10M depths under water. The gas meter box is characterized in that 2 is an aviation connector of which the power supply and communication terminal of the whole gas meter box is IP68, the aviation connector with the highest grade in the industry needs to be selected for achieving a good waterproof effect, the aviation connector with 5 cores is selected for the invention, one end of the aviation connector is connected with an 18-core switching power supply inside the box body by 3 cores to provide integral power supply, and in addition, 2 cores are connected to an RS485 communication interface of a 17-core controller to provide external data communication and remote transmission. The 3 dustproof water-proof net covers are filter devices of the box body air channel, dust, water drops, insects and the like are prevented from entering the bidirectional air pump and the box body, and the 3 dustproof water-proof net covers are respectively installed at the air inlet end and the air exhaust end of the box body by 2.
And a double-layer air inlet valve 4 for controlling air inlet and blocking liquid outside the box body. The air inlet water-vapor separating device 5 can prevent residual water from entering the bidirectional air pump and the box body, and the air inlet linkage motor 6 is connected to the double-layer air inlet valve through a steel wire rope and a static pulley to realize linkage of the air inlet valve. And one end of the air inlet pipe 7 is connected with the air inlet seats 4-10 of the box body, and the other end of the air inlet pipe is connected with an air inlet channel of an air inlet hole of the bidirectional air pump 8 to form an air inlet passage. And one end of the bidirectional air pump 8 is connected with the air inlet pipe 7, and the other end of the bidirectional air pump is suspended. The light-sensitive water level sensor 9 collects the water level state at the bottom of the box body through the core controller 17 so as to control the state of an air inlet and exhaust valve of the box body. The exhaust linkage motor 10 is linked with the fixed pulley through a steel wire rope, and the double-layer exhaust valve 11 can control the double-layer exhaust valve to open and close, so that the exhaust passage of the box body is opened and closed, gas or liquid in the box body can be conveniently discharged, and meanwhile, the inflow of water outside the box body is cut off and blocked. Meanwhile, in the exhaust and drainage water-vapor separation device 12, the double-layer exhaust valve 11 and the integral shell 1 form an integral structure, and the realization mode is basically the same as that of an air inlet valve. And an exhaust drain pipe 13 having one end connected to the dew condensation water discharging means 14 and the other end connected to the exhaust drain hole of the side wall of the waterproof case 1. The top end of the dew condensation drainage exhaust device 14 is formed by processing the top plate of the box body, the bottom plate is fixed on the side wall of the box body, and the water outlet at the other end is connected with the exhaust drain pipe 13. The gas meter 15, which may be a stand-alone gas meter or an all-in-one gas meter, monitors the gas meter user selections for field use, and the gas meter power and data ports are connected directly to the core controller 17. And a box body pressure sensor 16 for acquiring the internal pressure of the box body to stabilize the internal pressure of the box body, and the sensor is welded on the core controller 17. The core controller 17 collects information of the light-sensitive water level sensor and information of the box body pressure sensor, controls the action of the integral air valve and the action of the air pump, and collects data of the gas meter and remote data, and the specific work flow is described in the overall module control flow chart. The switching power supply 18 and a gas instrument power supply and core control power supply module in the box body provide a working power supply for the whole box body, and the 24V/60W switching power supply meets the power supply requirements of instruments and a whole machine.
Fig. 2 is a schematic structural diagram showing the open state of the intake water-vapor separation device and the double-layer intake valve of the present invention, at this time, the steel wire rope 4-9 is loosened, the lower part of the inner side rubber plug (4-3) is tightly attached to the lower front side wall (B3) of the rear vertical cavity (1-3) under the action of the spring 4-6, and at this time, the gas enters the waterproof box 1 through the cover body 3-1, the dustproof and waterproof material 3-2, the air inlet channel (C), the box body air inlet 4-10-1, the box body air inlet seat 4-10, the air inlet pipe 7, etc.; the part consists of 16 parts including a box side wall upper part 5-1, a box side wall middle part 5-3, a box side wall bottom part 5-2, a cover body 3-1, a dustproof and waterproof material 3-2, an outer side glue plug 4-1, a linkage copper rod 4-2, an inner side glue plug 4-3, an aluminum glue plug sleeve 4-4, a side wall barrel 4-5, a spring 4-6, a static pulley 4-7, a pulley support 4-8, a steel wire rope 4-9, a box air inlet seat 4-10, an air inlet linkage motor 6 and the like. The double-layer air inlet valve comprises an outer side rubber plug 4-1, a linkage copper rod 4-2, an inner side rubber plug 4-3, an aluminum rubber plug sleeve 4-4, a side wall barrel 4-5, a spring 4-6, a steel wire rope 4-9 and the like. The main body of the air-inlet water-vapor separator consists of an upper part 5-1 of the side wall of the box body, a middle part 5-3 of the side wall of the box body and a bottom part 5-2 of the side wall of the box body, wherein the upper half part of the main body forms an air inlet channel C by taking an outer side rubber plug 4-1, a linkage copper rod 4-2 and an inner side rubber plug 4-3 as boundary lines, and the lower half part of the main body is a water. When the air inlet linkage motor 6 does not act, the steel wire rope 4-9 and the fixed pulley 4-7 do not act, the spring 4-6 pops open to push the aluminum rubber plug sleeve, the outer side rubber plug 4-1, the linkage copper rod 4-2 and the inner side rubber plug 4-3 to the outer side, as shown in a state of fig. 2, at the moment, external air enters the box body air inlet seat 4-10 through the air inlet channel C, the air flows upwards under the action of the inner side rubber plug 4-3 (because the bottom of the inner side rubber plug 4-3 is closed), a closed drainage channel is formed by the lower part of the inner side rubber plug 4-3 and the bottom 5-2 of the side wall of the box body, water cannot enter the air inlet channel, and water can be effectively prevented from entering. The middle part 5-3 of the side wall of the box body is designed to discharge residual water or block water drenching, a circular drain hole is formed in the middle part 5-3 of the side wall of the box body at a low position, residual water discharged from the inverted triangular structure (1-2-1) at the top end of the transition transverse cavity (1-2) flows to the lower part 5-2 of the side wall of the box body at the bottom through the drain hole, the lower part of the side wall of the box body is designed to be an oblique angle D, and water is effectively discharged to the dustproof water-proof mesh cover body 3-1. If water drops or water mist enters, the water is shielded by the inverted triangular structure (1-2-1) at the top end of the transition transverse cavity (1-2), and the water is discharged out of the box body through the special structure of the middle part 5-3 of the side wall of the box body. The outer side rubber plug 4-1 and the inner side rubber plug 4-3 are integrally formed by injection molding, a circular steel plate is arranged in the inner side of the plastic plug 4-1, an integral injection molding rubber sleeve is arranged on the outer side of the plastic plug, a 4MM protruding bolt is arranged at the center of the plastic plug, a linkage copper rod 4-2 is fastened on the protruding bolts of the plastic plug 4-1 and the plastic plug 4-3, and the inner side of the inner side rubber plug 4-3 is fastened on an aluminum plastic plug sleeve 4-4 through bolts, so that a linkage effect. The upper part 5-1 of the side wall of the box body and the middle part 5-3 of the side wall of the box body stabilize the 4-2 linkage copper rod therein, play a role of limiting, and support the double-layer air inlet valve 4, so that the double-layer air inlet valve can effectively and reliably act. The other function of the inverted triangle (1-2-1) at the upper part 5-1 of the side wall of the box body and the flat top at the middle part 5-3 of the side wall of the box body is ventilation and water isolation, so that the function of water-vapor separation is achieved.
FIG. 3 is a schematic diagram of the closed state structure of the air inlet water vapor separation device and the double-layer air inlet valve of the present invention, the composition structure is the same as that of FIG. 2, when the core controller detects the presence of water through the sensor, the core controller controls the air inlet linkage motor 6 to rotate, the steel wire rope 4-9 is driven to drive the inner side rubber plug 4-3 through the direction change of the fixed pulley 4-7, the inner side rubber plug 4-3 drives the aluminum rubber barrel 4-4, the linkage copper rod 4-2 and the outer side rubber plug 4-1 to act together, the inner wall of the outer side rubber plug 4-1 tightly pushes against the side wall 5-1 and the side wall 5-2 (i.e., as shown in FIG. 3, the rear side of the outer side rubber plug (4-1) tightly sticks to the upper rear side wall (A1) and the lower rear side wall (A2) of the front vertical cavity (1-, the inner side glue plug 4-3 also tightly pushes the 5-1 side wall and the 5-2 side wall (namely, as shown in figure 3, the rear side of the inner side glue plug (4-3) is tightly attached to the upper rear side wall (B1) and the lower rear side wall (B2) of the rear vertical cavity (1-3) to plug the air inlet (4-10-1) of the box body), and 2 glue plugs are simultaneously attached to the respective side walls, so that the whole air inlet channel and the drainage channel are completely sealed, and the aim of water prevention is fulfilled. At the moment, the spring 4-6 is in a compressed state, and the steel wire rope 4-9 is in a tensioned state.
FIG. 4 is a schematic structural diagram of the open state of the exhaust water-vapor separation device and the double-layer exhaust valve of the invention, at this time, a steel wire rope 11-9 is loosened, under the action of a spring 11-6, the upper part of an inner side rubber plug (11-3) is tightly attached to an upper front side wall (F3) of an exhaust rear vertical cavity (1-7), a gap (J) is left between the lower part of the inner side rubber plug (11-3) and a lower front side wall (F4) of the exhaust rear vertical cavity (1-7), and accumulated water and gas are exhausted through an exhaust port 11-10-1, the exhaust rear vertical cavity (1-7), the lower part of an exhaust transition transverse cavity (1-6) and an exhaust front vertical cavity (1-5); the accumulated water can be blown out by gas;
the part consists of 16 parts in total, namely a box side wall upper part 12-1, a box side wall middle part 12-3, a box side wall bottom part 12-2, a cover body 3-1, a dustproof and waterproof material 3-2, an outer side glue plug 11-1, a linkage copper rod 11-2, an inner side glue plug 11-3, an aluminum glue plug sleeve 11-4, a side wall barrel 11-5, a spring 11-6, a static pulley 11-7, a pulley support 11-8, a steel wire rope 11-9, a box air inlet seat 11-10, an exhaust linkage motor 10 and the like. The double-layer exhaust valve consists of an outer side rubber plug 11-1, a linkage copper rod 11-2, an inner side rubber plug 11-3, an aluminum rubber plug sleeve 11-4, a side wall barrel 11-5, a spring 11-6 and a steel wire rope 11-9. The main part of the exhaust water-vapor separation device consists of an upper part 12-1 of the side wall of the box body, a middle part 12-3 of the side wall of the box body and a bottom part 12-2 of the side wall of the box body, wherein the lower half part of the exhaust water-vapor separation device forms a drainage exhaust passage N by taking an outer side glue plug 11-1, a linkage copper rod 11-2 and an inner side glue plug 11-3 as boundary lines, and the upper half part of the exhaust water-vapor separation device is a. When the exhaust linkage motor 10 does not act, the steel wire rope 11-9 and the fixed pulley 11-7 do not act, the spring 11-6 pops open to push the aluminum rubber plug sleeve 11-4, the outer side rubber plug 11-1, the linkage copper rod 11-2 and the inner side rubber plug 11-3 to the outer side, and the state is shown in figure 4, at the moment, the upper part of the inner side rubber plug (11-3) is tightly attached to the upper front side wall (F3) of the exhaust rear vertical cavity (1-7), at the moment, air in the box body is exhausted to the lower part 12-2 of the side wall of the box body through the exhaust and drainage air passage 11-10, the air flows downwards under the action of the inner side rubber plug 11-3, the lower part of the inner side rubber plug 11-3 and the bottom 12-2 of the side wall of the box body form an open type drainage and exhaust passage N, water and. The middle part 12-3 of the side wall of the box body is designed to discharge residual water or block water drenching, a circular drain hole is formed in the lower part of the middle part 12-3 of the side wall of the box body, the residual water discharged by the inverted triangular structure (1-6-1) at the top end of the exhaust transition transverse cavity (1-6) flows to the lower part 12-2 of the side wall of the box body at the bottom through the drain hole, the lower part of the side wall of the box body is designed to be an oblique angle G, and the water is effectively discharged to the dustproof water-proof net cover body 3-1. If water drops or water mist enters, the water passes through the inverted triangular structure 1-6-1 to be shielded, and the water is discharged out of the box body through the special structure of the middle part 12-3 of the side wall of the box body. The outer side rubber plug 11-1 and the inner side rubber plug 11-3 are integrally formed by injection molding, the inner side of the outer side rubber plug is a circular steel plate, the outer side of the inner side rubber plug is an integrally injection molded integral rubber sleeve, the center of the inner side rubber sleeve is a 4MM raised bolt, a linkage copper rod 11-2 is fastened on the raised bolts of the outer side rubber plug 11-1 and the inner side rubber plug 11-3, and the inner side bolt of the inner side rubber plug 11-3 is fastened on an aluminum rubber plug sleeve 11-4, so that a linkage effect is achieved. The bottom of the upper part 12-1 of the side wall of the box body, namely the top end of the exhaust transition transverse cavity (1-6), forms an inverted triangle structure (1-6-1), the top of the middle part 12-3 of the side wall of the box body is in a plane design, supports the linkage copper rod 4-2, plays a limiting role, and supports the double-layer exhaust valve 11, so that the double-layer exhaust valve can effectively and reliably act. The other function of the inverted triangle 1-6-1 at the upper part 12-1 of the side wall of the box body and the flat top at the middle part 12-3 of the side wall of the box body is ventilation and water isolation, so that the function of water-vapor separation is achieved.
As shown in fig. 5, which is a schematic diagram of a closed state structure of the exhaust water-vapor separation device and the double-layer exhaust valve of the present invention, the structure of the exhaust water-vapor separation device and the double-layer exhaust valve is the same as that of fig. 4, when the core controller detects water through a sensor, the core controller controls the rotation of the exhaust linkage motor 10 to drive the steel wire rope 11-9 to pull the aluminum glue barrel 11-4, the inner glue plug 11-3, the linkage copper rod 11-2 and the outer glue plug 11-1 to move together in a direction changing direction through the fixed pulley 11-7, the inner wall of the outer glue plug 11-1 tightly abuts against the side wall 12-1 and the side wall 12-2 (i.e. as shown in fig. 5, the rear side of the inner glue plug 11-3 tightly abuts against the upper rear side wall (F1) and the lower rear side wall (F2) of the exhaust rear vertical cavity (1-7) to plug the exhaust outlet (11-10-1), the inner glue plug 11-, the rear side of the outer side glue plug (11-1) is tightly attached to the upper rear side wall (E1) and the lower rear side wall (E2) of the exhaust front vertical cavity (1-5) to plug the front end of the exhaust transition transverse cavity (1-6), and 2 glue plugs are simultaneously attached to the respective side walls, so that the whole exhaust passage and the drainage passage are completely sealed, and the aim of water prevention is fulfilled. At this time, the spring 11-6 is in a compressed state, and the wire rope 11-9 is in a tensioned state.
Fig. 6 is a schematic structural diagram of the valve core rubber plug of the air valve, which is composed of 3 parts, namely an outer side rubber plug 4-1, a linkage copper rod 4-2, an inner side rubber plug 4-3 and the like. The outer ring steel disc 4-1-1 and the inner ring steel disc 4-1-2 of the outer side rubber plug 4-1 are respectively fixed on a 4MM screw 4-1-3 of the outer side rubber plug 4-1, rubber plug rubber 4-1-5 is wrapped on the periphery of the outer ring steel disc 4-1-1 in a glue injection mode, rubber plug rubber 4-1-4 is wrapped on the periphery of the inner ring steel disc 4-1-2 in a glue injection mode, 2 steel discs play a role in supporting the whole rubber plug, and good sealing strength can be achieved. The outer side 4MM screw 4-1-3 is in a form of external thread and is used for connecting one end of the linkage copper rod 4-2. The other end of the linkage copper rod 4-2 is connected to a 4MM screw 4-3-3 of the inner rubber plug 4-3, the peripheries of an outer ring steel disc 4-3-1 and an inner ring steel disc 4-3-2 of the inner rubber plug 4-3 are respectively wrapped with rubber plug rubber 4-3-6 and rubber plug rubber 4-3-5, and the connection mode of the linkage copper rod and the rubber plug 4-1 is the same as that of the outer rubber plug 4-1. The other side of the inner side glue plug 4-3 is provided with a screw hole 4-3-4 for fixing the aluminum glue plug sleeve 4-4 to play a role in connection and fixation. The structure form of the double-layer exhaust valve is the same as that of the double-layer exhaust valve.
As shown in figure 7, the dewing drainage exhaust device of the invention comprises a dewing top plate 14-1 and a ponding drainage groove 14-2 and a drainage exhaust seat 14-3, etc. 3 parts, the dewing top plate 14-1 is processed on the top plate of the box body 1, the ponding drainage groove 14-2 is fixed on the side wall, when moisture exists in the box body, the condensed water drops will drop in the ponding drainage groove 14-2 due to the dense inverted triangle of the dewing top plate, the water vapor is dewed on the dewing top plate 14-1, the dewing water drops will be discharged to the exhaust drainage device through the drainage seat 14-3 and the exhaust drainage pipe 13 due to the inverted triangle design of the top plate, the water drops are discharged out of the box after passing through the double-layer exhaust valve 11, and the gas is also discharged from the above channels, thereby achieving the drainage and exhaust. The bottom wall of the drainage seat 14-3 is designed to be an oblique angle, namely, the bottom wall is inclined towards the drainage seat 14-3, so that water can flow to the drainage seat 14-3 more quickly and accurately; the water discharging seat has an inner bottom wall with an inclination angle of 8 degrees, so that dew condensation water can flow into the water discharging and air discharging seat 14-3 conveniently and is finally discharged to the outside of the box body.
Fig. 8 is a schematic block diagram of a core controller according to the present invention, which is composed of 9 parts, such as an RS485 communication circuit, a gas meter power supply data acquisition circuit, a pressure sensor, an MCU minimum system, an isolated motor drive bridge, a bidirectional air pump interface circuit, an isolated drive circuit, a water level sensor interface, and a power supply. The bidirectional air pump is driven in an isolation mode through an isolation driving bridge, and the water level sensor is collected in an isolation mode through an isolation driving circuit. The RS485 communication circuit (mainly a communication interface connected with an external control center), the gas meter power supply data acquisition circuit, the pressure sensor, the isolation motor drive bridge and the isolation drive circuit are all connected to the MCU minimum system, the gas meter power supply data acquisition circuit is connected with the gas meter 15, the isolation motor drive bridge is connected to the bidirectional air pump 8 through a bidirectional air pump interface circuit, and the isolation drive circuit is connected with the light sensing water level sensor 9 through a water level sensor interface.
As shown in fig. 9, which is an overall module control flow chart of the present invention, when the intelligent waterproof gas instrument box starts to work normally, the intelligent waterproof gas instrument box can configure working parameters through the control communication interface, and the configuration data acquisition modes are divided into two types: 1 real-time acquisition mode and 2 interval acquisition modes, wherein the 1 real-time acquisition mode is continuous acquisition with uninterrupted high real-time performance of the system, and the 2 interval acquisition mode can set data acquisition time and data acquisition interval time. The configuration information is stored after the data acquisition mode is configured by the computer, the core controller 17 reads the configuration information and acquires the monitoring data value of the light-sensitive water level sensor 9 in real time according to the configuration information parameters to judge whether the monitoring data value exceeds the threshold value, when the monitoring data value does not exceed the threshold value (when the water level outside the box body 1 is more than 10CM away from the bottom of the box body, the monitoring data value does not exceed the threshold value, the program default value of 10CM can be set according to the field condition) to sequentially control the air inlet linkage motor 6 to be opened, the air outlet linkage motor 10 to be opened, the bidirectional air pump 8 to be opened forward to work in a forward air suction state, namely, the air is filled into the box body 1, the data of the pressure sensor 9 is acquired at the moment to judge whether the internal pressure of the box body 1 is normal and is normal to be standard atmospheric pressure, if deviation occurs, the rotating speed of the, the method comprises the steps of properly delaying until the gas outside the box body 1 is filled into the box body 1, wherein the delay preset value is 30S (the data value can be set in a relevant mode according to the volume of the box body and the flow of a gas pump, the delay time is in a certain relation with the volume of a sealed box body and the flow of the gas of a bidirectional gas pump, when the flow of the bidirectional gas pump is fixed, the delay is longer when the volume of the box body is larger, and the delay is smaller when the flow of the bidirectional gas pump is larger when the volume of the sealed box body is fixed, and the delay is larger when the flow of the bidirectional gas pump is larger. When the water level outside the box body 1 is monitored to be less than or equal to 10CM away from the bottom of the box body 1, namely when the water level exceeds a threshold value, the core board 17 controls the bidirectional air pump 8 of the air circulation device to be closed, the air inlet linkage motor 6 and the air exhaust linkage motor 10 are controlled to be closed in sequence, the box body 1 works in a sealed state, meanwhile, the core controller 17 sends an alarm signal to a control center for remote transmission, and the current state of the instrument box is reported. (the state information comprises tank body liquid level alarm, valve complete closing, alarm time, current gas instrument data and the like). at the moment, when the data of the water level sensor 9 is collected again, when the water level outside the tank body 1 is detected to be reduced to 15CM away from the bottom of the tank body 1, the core controller 17 controls the automatic accumulated water cleaning state to be entered, and the automatic accumulated water cleaning can effectively prevent residual liquid of the dustproof water-proof net cover 3 of the air passage, the double-layer air inlet valve 4, the air inlet water-vapor separation device 5, the dustproof water-proof net cover 3 of the air passage, the double-layer exhaust valve 11 and the air exhaust and drainage water-vapor separation device 12 from entering the inside of. The automatic accumulated water cleaning flow is characterized in that the bidirectional air pump 8 is reversely opened to enable the bidirectional air pump to work in a reverse exhaust state, namely, the air inlet of the box body is filled with air, the air inlet linkage motor 6 is opened, the air pump is closed after the air inlet of the box body is filled with air for 1min (the air pump is closed after the valve is opened for 1 min), and at the moment, accumulated water in the air inlet channel is cleaned completely. The core controller 17 opens the bidirectional air pump 8 in the forward direction to work in the forward air suction state, namely, the interior of the box body is inflated, the exhaust linkage motor 10 is opened after 2min delay (the air pump is opened firstly, and the valve is opened after two minutes), the exhaust channel accumulated water is cleaned completely, state information is reported, and the core controller 17 performs cycle work again according to configuration parameters after the automatic accumulated water cleaning process is completed.

Claims (12)

1. A waterproof gas meter box, comprising a gas meter (15), characterized in that: the device also comprises a waterproof box (1), an air inlet water-vapor separation device, an air inlet linkage motor (6), a bidirectional air pump (8), a light sensation water level sensor (9), an exhaust linkage motor (10), an exhaust and drainage water-vapor separation device, a dew drainage exhaust device (14), a pressure sensor (16) and a core controller (17);
the bidirectional air pump (8), the light-sensitive water level sensor (9), the dew condensation drainage exhaust device (14), the gas meter (15), the pressure sensor (16) and the core controller (17) are all arranged in the waterproof box (1);
the dew condensation drainage exhaust device (14) is arranged above the bidirectional air pump (8), the light-sensitive water level sensor (9), the gas instrument (15), the pressure sensor (16) and the core controller (17), the dew condensation drainage exhaust device (14) is connected with an exhaust drainage water-vapor separation device, the exhaust drainage water-vapor separation device is positioned on the side wall of the waterproof box (1), and the position of the exhaust drainage water-vapor separation device is lower than that of the dew condensation drainage exhaust device (14);
the gas instrument (15) is connected with a core controller (17), and the core controller (17) is connected with a gas inlet linkage motor (6), a bidirectional gas pump (8), a light sensation water level sensor (9) and an exhaust linkage motor (10); the air inlet linkage motor (6) is connected with an air inlet water-vapor separation device, the bidirectional air pump (8) is connected with the air inlet water-vapor separation device, the air inlet water-vapor separation device is positioned on the side wall of the waterproof box (1), and the position of the air inlet water-vapor separation device is lower than that of the air instrument (15) and the core controller (17); the exhaust linkage motor (10) is connected with an exhaust drainage water vapor separation device, and the dew drainage exhaust device (14) is connected with the exhaust drainage water vapor separation device;
the light-sensitive water level sensor (9) is positioned at the bottom in the waterproof box (1).
2. A moisture-resistant gas meter box according to claim 1, wherein: the air inlet water-vapor separation device comprises a double-layer air inlet valve (4), wherein the double-layer air inlet valve (4) comprises an outer side rubber plug (4-1), a linkage rod (4-2) and an inner side rubber plug (4-3); the outer side rubber plug (4-1) is connected with the inner side rubber plug (4-3) through a linkage copper rod (4-2), the inner side rubber plug (4-3) is fixed on a sleeve (4-4), the sleeve (4-4) is sleeved on a side wall cylinder (4-5), the sleeve (4-4) can move relative to the side wall cylinder (4-5), one end of a spring (4-6) is located in the sleeve (4-4), and the other end of the spring is located in the side wall cylinder (4-5);
the air inlet water-vapor separation device also comprises an I-shaped cavity arranged on the side wall of the waterproof box (1), wherein the I-shaped cavity comprises a front vertical cavity (1-1), a transition transverse cavity (1-2) and a rear vertical cavity (1-3), the front vertical cavity (1-1) is communicated with the rear vertical cavity (1-3) through the transition transverse cavity (1-2), an outer side glue plug (4-1) is positioned in the front vertical cavity (1-1), an inner side glue plug (4-3) is positioned in the rear vertical cavity (1-3), and a linkage rod (4-2) penetrates through the front end and the rear end of the transition transverse cavity (1-2) and is respectively connected with the outer side glue plug (4-1) and the inner side glue plug (4-3);
the air inlet water-vapor separation device also comprises a box body air inlet (4-10-1) arranged on the inner side of the side wall of the waterproof box (1), the box body air inlet (4-10-1) is connected with a bidirectional air pump (8), and the box body air inlet (4-10-1) is communicated with the rear vertical cavity (1-3);
the air inlet linkage motor (6) is arranged on the inner side of the side wall of the waterproof box (1), the air inlet linkage motor (6) is connected with a steel wire rope (4-9), the steel wire rope (4-9) is connected with the inner side glue plug (4-3) through a static pulley (4-7), and the inner side glue plug (4-3) is controlled to move back and forth through the air inlet linkage motor (6) and the steel wire rope (4-9); when the air inlet linkage motor (6) pulls the inner side rubber plug (4-3) to move backwards to the end, the rear side of the inner side rubber plug (4-3) is tightly attached to the upper rear side wall (B1) and the lower rear side wall (B2) of the rear vertical cavity (1-3) to plug the air inlet (4-10-1) of the box body, and at the moment, the rear side of the outer side rubber plug (4-1) is tightly attached to the upper rear side wall (A1) and the lower rear side wall (A2) of the front vertical cavity (1-1) to plug the front end of the transition transverse cavity (1-2);
the inner side glue plug (4-3) moves forwards to the foremost end, the lower part of the inner side glue plug (4-3) is tightly attached to the lower front side wall (B3) of the rear vertical cavity (1-3), a gap (H) is reserved between the upper part of the inner side glue plug (4-3) and the upper front side wall (B4) of the rear vertical cavity (1-3), so that the upper part of the transition transverse cavity (1-2) is communicated with the box body air inlet (4-10-1) through the gap (H) to form an air inlet channel (C), and at the moment, the outer side glue plug (4-1) is separated from the upper rear side wall (A1) and the lower rear side wall (A2).
3. A moisture-resistant gas meter box according to claim 2, wherein: a lateral wall middle component (5-3) is arranged in the transition transverse cavity (1-2), a drain hole (5-3-1) is arranged on the lateral wall middle component (5-3), a gap for water to flow through is reserved between the bottom of the lateral wall middle component (5-3) and the bottom surface (D) of the transition transverse cavity (1-2), and the bottom surface (D) of the transition transverse cavity (1-2) is an inclined surface inclined towards the front vertical cavity (1-1).
4. A moisture-resistant gas meter box according to claim 3, wherein: the side wall middle component (5-3) is of a structure formed by a plurality of protrusions (5-3-2), low-lying positions (5-3-3) are formed between every two adjacent protrusions (5-3-2), the drain holes (5-3-1) are located at the bottoms of the low-lying positions, the tops of the protrusions (5-3-2) are planes, the linkage rods (4-2) are located at the tops of the protrusions (5-3-2), and the top ends of the transition transverse cavities (1-2) are of inverted triangular structures (1-2-1).
5. A moisture-resistant gas meter box according to any one of claims 2 to 4, wherein: the outer side of the front vertical cavity (1-1) is provided with an opening, a dustproof water-stop net cover (3) is arranged at the opening, the dustproof water-stop net cover (3) comprises a cover body (3-1) and a dustproof water-stop material (3-2), the cover body (3-1) covers the opening, and the dustproof water-stop material (3-2) is located on the inner side of the cover body (3-1).
6. A moisture-resistant gas meter box according to claim 1, wherein: the exhaust and drainage water-vapor separation device comprises a double-layer exhaust valve (11), wherein the double-layer exhaust valve (11) comprises an outer side rubber plug (11-1), a linkage rod (11-2) and an inner side rubber plug (11-3); the outer side rubber plug (11-1) is connected with the inner side rubber plug (11-3) through a linkage rod (11-2), the inner side rubber plug (11-3) is fixed on a sleeve (11-4), the sleeve (11-4) is sleeved on a side wall barrel (11-5), the sleeve (11-4) can move relative to the side wall barrel (11-5), one end of a spring (11-6) is positioned in the sleeve (11-4), and the other end of the spring is positioned in the side wall barrel (11-5);
the air exhaust and drainage water vapor separation device also comprises an I-shaped cavity positioned on the side wall of the waterproof box (1), wherein the I-shaped cavity comprises an air exhaust front vertical cavity (1-5), an air exhaust transition transverse cavity (1-6) and an air exhaust rear vertical cavity (1-7), the air exhaust front vertical cavity (1-5) is communicated with the air exhaust rear vertical cavity (1-7) through the air exhaust transition transverse cavity (1-6), an outer side rubber plug (11-1) is positioned in the air exhaust front vertical cavity (1-5), an inner side rubber plug (11-3) is positioned in the air exhaust rear vertical cavity (1-7), and a linkage rod (11-2) penetrates through the front end and the rear end of the air exhaust transition transverse cavity (1-6) and is respectively connected with the outer side rubber plug (11-1) and the inner side rubber plug (11-3);
the air exhaust, drainage and water vapor separation device also comprises an air exhaust and water discharge port (11-10-1) on the inner side of the side wall of the waterproof box (1), the air exhaust and water discharge port (11-10-1) is connected with a dew condensation, drainage and air exhaust device (14), and the air exhaust and water discharge port (11-10-1) is communicated with the vertical cavity (1-7) after air exhaust;
the exhaust linkage motor (10) is arranged on the inner side of the side wall of the waterproof box (1), the exhaust linkage motor (10) is connected with a steel wire rope (11-9), the steel wire rope (11-9) is connected with the inner side rubber plug (11-3) through a static pulley (11-7), and the inner side rubber plug (11-3) is controlled to move back and forth through the exhaust linkage motor (10) and the steel wire rope (11-9); when the exhaust linkage motor (10) pulls the inner side rubber plug (11-3) to move backwards to the end, the rear side of the inner side rubber plug (11-3) is tightly attached to the upper rear side wall (F1) and the lower rear side wall (F2) of the exhaust rear vertical cavity (1-7) to plug the exhaust outlet (11-10-1), and at the moment, the rear side of the outer side rubber plug (11-1) is tightly attached to the upper rear side wall (E1) and the lower rear side wall (E2) of the exhaust front vertical cavity (1-5) to plug the front end of the exhaust transition transverse cavity (1-6);
when the inner side glue plug (11-3) moves forwards to the foremost end, the upper part of the inner side glue plug (11-3) is tightly attached to the upper front side wall (F3) of the exhaust rear vertical cavity (1-7), a gap (J) is reserved between the lower part of the inner side glue plug (11-3) and the lower front side wall (F4) of the exhaust rear vertical cavity (1-7), so that the lower part of the exhaust transition transverse cavity (1-6) is communicated with the exhaust outlet (11-10-1) through the gap (J) to form a drainage and exhaust channel (N), and at the moment, the outer side glue plug (11-1) is separated from the upper rear side wall (E1) and the lower rear side wall (E2).
7. The moisture resistant gas meter box of claim 6, wherein: a box side wall middle component (12-3) is arranged in the exhaust transition transverse cavity (1-6), a drain hole (12-3-1) is arranged on the side wall middle component (12-3), a gap for water to flow through is reserved between the bottom of the box side wall middle component (12-3) and the bottom surface (G) of the exhaust transition transverse cavity (1-6), and the bottom surface (G) of the exhaust transition transverse cavity (1-6) is an inclined plane inclined towards the exhaust front vertical cavity (1-5).
8. A moisture-resistant gas meter box according to claim 7, wherein: the middle component (12-3) of the side wall of the box body is of a structure formed by a plurality of convex parts (12-3-2), a low-lying part is formed between every two adjacent convex parts (12-3-2), the drain hole (12-3-1) is positioned at the bottom of the low-lying part, the top of each convex part (12-3-2) is a plane, the linkage rod (11-2) is positioned at the top of each convex part (12-3-2), and the top end of the exhaust transition transverse cavity (1-6) is of an inverted triangular structure (1-6-1).
9. A moisture-resistant gas meter box according to any one of claims 6 to 8, wherein: the outer side of the vertical cavity (1-5) before exhaust is provided with an opening, a dustproof water-stop net cover is arranged at the opening and comprises a cover body (A3-1) and a dustproof water-stop material (A3-2), the cover body (A3-1) covers the opening, and the dustproof water-stop material (A3-2) is positioned on the inner side of the cover body (A3-1).
10. A moisture-resistant gas meter box according to claim 9, wherein: the condensation drainage exhaust device (14) comprises a condensation top plate (14-1) and a water accumulation drainage tank (14-2), the condensation top plate (14-1) is located above the water accumulation drainage tank (14-2), the bottom of the condensation top plate (14-1) is provided with a plurality of inverted triangle-shaped bulges (14-1-1), the inverted triangle-shaped bulges (14-1-1) correspond to the water accumulation drainage tank (14-2), and the bottom of the water accumulation drainage tank (14-2) is provided with a drainage exhaust hole (14-3-1) communicated with an exhaust outlet (11-10-1).
11. The moisture resistant gas meter box of claim 6, wherein: one or all of the exhaust outlet (11-10-1) and the box body air inlet (4-10-1) is/are provided with a connecting seat, the connecting seat comprises a connecting flange (20) and a sealing gasket, the connecting flange (20) comprises a flange chassis (20-1) and a connecting sleeve (20-2), and the connecting sleeve (20-2) is connected with the flange chassis (20-1);
the sealing washer comprises a bottom annular ring (21) and a raised annular ring (22), the raised annular ring (22) is connected with the bottom annular ring (21), and the raised annular ring (22) comprises an inner bottom inclined plane ring, an inner middle inclined plane ring and an inner upper inclined plane ring;
the inner wall (22-1) of the inner bottom bevel ring is of a reducing structure with the diameter gradually reduced from inside to outside, the inner middle bevel ring is connected with the inner bottom bevel ring, the inner wall (22-2) of the inner middle bevel ring is of a reducing structure with the diameter gradually reduced from inside to outside, and a groove (Q) is formed at the connecting position of the inner wall (22-2) of the inner middle bevel ring and the inner wall (22-1) of the inner bottom bevel ring;
the inner upper inclined plane ring is connected with the inner middle inclined plane ring, and the inner wall (22-3) of the inner upper inclined plane ring is of a flaring structure with gradually exaggerated diameter from inside to outside; a bulge (P) is formed at the joint of the inner upper inclined plane ring and the inner wall of the inner middle inclined plane ring;
the outer side surface (22-4) of the raised annular ring (22) is of a necking structure with the diameter gradually reduced from inside to outside, and an arc-shaped part (R) is formed between the outer side surface (22-4) and the inner wall (22-3) of the inner upper inclined ring;
the connecting seat is connected with the dewing drainage exhaust device (14) through a connector, the connector is a part connected with the connecting seat when in use, the connector comprises a connector rear pipe (23) and a connector front pipe (24) extending into the exhaust outlet (11-10-1) when in use, the diameter of the outer wall of the connector rear pipe (23) is larger than that of the outer wall of the connector front pipe (24), a clip notch (S) for clipping the convex annular ring (22) is arranged on the outer wall of the joint of the connector rear tube (23) and the connector front tube (24), the side wall (S-1) of the outer ring of the clip notch (S) is an inclined plane which is matched with the outer side surface (22-4) of the raised annular ring (22), the side wall (S-2) of the inner ring of the clip notch (S) is an inclined plane which is matched with the inner wall (22-3) of the inner upper inclined plane ring of the raised annular ring (22); the bottom of the clip notch (S) is an arc bottom (S-3) which is matched with the arc part (R);
the inner wall of the flange chassis (20-1) is provided with a bayonet (T) used for clamping and fixing the bottom annular ring (21) when in use.
12. A moisture-resistant gas meter box according to claim 11, wherein: when the connector is connected with the connecting seat, the outer wall of the connector rear pipe (23) is flush with the outer wall of the connecting sleeve (20-2), and the connector rear pipe (23) is connected with the connecting sleeve (20-2) through a temporary connecting piece;
a water receiving pit (23-1) is arranged on the outer ring side wall (S-1) of the clamp notch (S), a water storage cavity (23-2) is arranged on the outer wall of the connector rear pipe (23), and the water receiving pit (23-1) is communicated with the water storage cavity (23-2).
CN202011294894.1A 2020-06-30 2020-11-18 Waterproof gas meter box Active CN112505249B (en)

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