Explosion-proof gas supply system of explosion-proof oil-loading batch control cabinet

Abstract

The utility model provides an explosion-proof gas supply system of an explosion-proof oil-loading batch control cabinet. The explosion-proof gas supply system of the explosion-proof oil-loading batch control cabinet comprises a placing rack; an explosion-proof control cabinet; the explosion-proof control cabinet is fixedly connected to the top of the placement frame, a suction hood is installed at the top of the explosion-proof control cabinet, a plurality of butt-joint pipes are installed at the top of the suction hood, exhaust pipes are installed at the tops of the butt-joint pipes, an exhaust assembly is installed at the top of the explosion-proof control cabinet, and a connecting pipe is installed at an inlet of the exhaust assembly; and the other end of the connecting pipe is fixedly connected with a valve, an exhaust pipe is installed at an outlet of the exhaust assembly, and a pressure control assembly is installed at the top of the anti-explosion control cabinet. According to the explosion-proof gas supply system of the explosion-proof oil-loading batch control cabinet, an exhaust structure capable of exhausting harmful gas is added to the explosion-proof control cabinet through the design, so that damage to internal equipment due to the fact that the harmful gas enters the cabinet door and is not cleaned in time after the cabinet door is opened is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to explosion -proof oil batch control cabinet gas supply technical field especially relates to explosion -proof oil batch control cabinet explosion -proof gas supply system. BACKGROUND

[0002] The explosion -proof control box is the control box of IP65 protection level, is applicable to the flammable and explosive occasion, coal mine, chemical industry, petroleum, electric power etc.

[0003] The control cabinet is mainly used to install some control equipment and power equipment, and the explosion -proof oil batch control cabinet is mainly used in the flammable and explosive gas production environment or the area that external environment is relatively bad, and the internal equipment is physically protected while also avoiding the damage of harmful gas to the power equipment and control equipment in the control cabinet.

[0004] The existing explosion -proof oil batch control cabinet mainly transports external harmless gas or air into the control cabinet, increases the internal pressure of the control cabinet, avoids the external gas into the control cabinet, and the external air enters the control cabinet every time the explosion -proof oil batch control cabinet is opened, and the existing explosion -proof oil batch control cabinet gas supply system lacks exhaust structure, so that the external harmful gas exists in the explosion -proof oil batch control cabinet, and the protection of the internal equipment of the explosion -proof oil batch control cabinet is reduced.

[0005] Therefore, it is necessary to provide the explosion -proof oil batch control cabinet explosion -proof gas supply system to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides explosion -proof oil batch control cabinet explosion -proof gas supply system, solved the existing explosion -proof oil batch control cabinet gas supply system lack of exhaust structure after the explosion -proof oil batch control cabinet opens and the external harmful gas will enter the explosion -proof oil batch control cabinet inside to reduce the protection of the internal equipment of the explosion -proof oil batch control cabinet problem.

[0007] To solve the above technical problems, the explosion -proof oil batch control cabinet explosion -proof gas supply system provided by the utility model comprises a rack;

[0008] The explosion-proof control cabinet is fixedly connected to the top of the placing rack, a suction hood is installed on the top of the explosion-proof control cabinet, a plurality of connecting pipes are installed on the top of the suction hood, an exhaust pipe is installed on the top of the connecting pipes, an exhaust assembly is installed on the top of the explosion-proof control cabinet, a connecting pipe is installed on the inlet of the exhaust assembly, a valve is fixedly connected to the other end of the connecting pipe, an exhaust pipe is installed on the outlet of the exhaust assembly, a pressure control assembly is installed on the top of the explosion-proof control cabinet, and a cabinet door is rotationally connected to the front of the explosion-proof control cabinet.

[0009] The installation shell is installed on the bottom of the inner wall of the placing rack, a gas supply pump is installed in the installation shell, a suction pipe is installed on the inlet of the gas supply pump, the other end of the suction pipe is connected to one side of the filter box, a filter screen is installed in the filter box through a fixing buckle, an installation pipe is installed on the other side of the filter box, an air inlet pipe is installed on the outlet of the gas supply pump, and a gas supply pipe is installed on the other end of the air inlet pipe through an electromagnetic valve.

[0010] The other end of the exhaust pipe is connected to one end of the valve, an opening is formed at the connection position of the suction hood and the top of the explosion-proof control cabinet, the pressure control assembly comprises a pressure sensor and a structure capable of discharging pressure when the pressure is too high, and the other end of the gas supply pipe is connected to the back of the explosion-proof control cabinet.

[0011] Preferably, a mounting base is installed on the front of the cabinet door, and a control switch is installed on the front of the mounting base.

[0012] The control switch is connected to the internal equipment.

[0013] Preferably, a mounting frame is installed in the explosion-proof control cabinet, and a plurality of threaded holes are formed in the front of the mounting frame.

[0014] The threaded holes are convenient for mounting the equipment on the front of the mounting frame through bolts.

[0015] Preferably, a shock-absorbing base is installed at the bottom of the placing rack, and a bottom plate is arranged on the shock-absorbing base.

[0016] Preferably, a fixing disc is fixedly connected to the top of the bottom plate near each of the four corners, and a shock-absorbing spring is fixedly connected to the top of the fixing disc.

[0017] The top end of the shock-absorbing spring is connected to the bottom of the placing rack through the fixing disc.

[0018] Preferably, the exhaust assembly comprises a protective shell with air holes, and an exhaust pump is installed in the protective shell.

[0019] The exhaust pump can provide suction force to exhaust the air in the explosion-proof control cabinet.

[0020] Compared with the related art, the explosion-proof air supply system of the explosion-proof oil supply batch control cabinet has the following beneficial effects:

[0021] The utility model provides explosion -proof air supply system of explosion -proof oil supply batch control cabinet, in order to increase the exhaust function in explosion -proof oil supply batch control cabinet air supply system, install an inverted trapezoidal air suction cover at the top of explosion -proof control cabinet, then connect through multiple butt joint pipes and exhaust pipes, can after the cabinet door of explosion -proof control cabinet is closed, can exhaust the harmful gas that enters the inside of explosion -proof control cabinet, and the connecting pipe between the exhaust pipe and the exhaust component import holds a valve, can ensure that the inside of explosion -proof control cabinet is closed space after the valve is closed, through the design for explosion -proof control cabinet increased an exhaust structure that can remove harmful gas, avoids harmful gas after the cabinet door is opened and enters inside not in time cleaning causes damage to internal equipment. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The utility model provides a preferable embodiment structure schematic drawing of explosion -proof air supply system of explosion -proof oil supply batch control cabinet,

[0023] Figure 2 The utility model provides the structure schematic drawing of air inlet pipe,

[0024] Figure 3 The utility model provides the structure schematic drawing of air supply pump,

[0025] Figure 4 The utility model provides the structure schematic drawing of mounting plate,

[0026] Figure 5 The utility model provides the structure schematic drawing of exhaust pump.

[0027] Marked number in drawing: 1, shock -absorbing base, 101, bottom plate, 102, fixed disc, 103, mounting hole, 104, shock -absorbing spring, 2, rack, 3, explosion -proof control cabinet, 4, cabinet door, 5, exhaust pipe, 6, valve, 7, connecting pipe, 8, pressure control assembly, 9, exhaust assembly, 901, protective shell, 902, air hole, 903, exhaust pump, 10, exhaust pipe, 11, mounting base, 12, control switch, 13, air suction cover, 14, butt joint pipe, 15, air supply pipe, 16, electromagnetic valve, 17, mounting shell, 18, air inlet pipe, 19, suction pipe, 20, filter box, 21, mounting pipe, 22, mounting frame, 23, fixed buckle, 24, air supply pump, 25, screw hole, 26, filter screen. DETAILED DESCRIPTION

[0028] The utility model will be further explained in connection with the drawings and implementation.

[0029] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 wherein, Figure 1 is a preferred embodiment of the structure of the explosion-proof air supply system of the explosion-proof oil batch control cabinet provided by the utility model; Figure 2 is a structure diagram of the air inlet pipe provided by the utility model; Figure 3 is a structure diagram of the air supply pump provided by the utility model; Figure 4 is a structure diagram of the mounting plate provided by the utility model; Figure 5 is a structure diagram of the exhaust pump provided by the utility model. The explosion-proof air supply system of the explosion-proof oil batch control cabinet comprises a placing rack 2;

[0030] an explosion-proof control cabinet 3; the explosion-proof control cabinet 3 is fixedly connected to the top of the placing rack 2, a suction hood 13 is installed on the top of the explosion-proof control cabinet 3, a plurality of butt joints 14 are installed on the top of the suction hood 13, an exhaust pipe 5 is installed on the top of the plurality of butt joints 14, an exhaust assembly 9 is installed on the top of the explosion-proof control cabinet 3, a connecting pipe 7 is installed on the inlet of the exhaust assembly 9, a valve 6 is fixedly connected to the other end of the connecting pipe 7, an exhaust pipe 10 is installed on the outlet of the exhaust assembly 9, a pressure control assembly 8 is installed on the top of the explosion-proof control cabinet 3, and a cabinet door 4 is rotatably connected to the front of the explosion-proof control cabinet 3;

[0031] a mounting shell 17 is installed on the bottom of the inner wall of the placing rack 2, an air supply pump 24 is installed in the mounting shell 17, a suction pipe 19 is installed on the inlet of the air supply pump 24, the other end of the suction pipe 19 is connected to one side of a filter box 20, a filter screen 26 is installed in the filter box 20 through a fixing buckle 23, a mounting pipe 21 is installed on the other side of the filter box 20, an air inlet pipe 18 is installed on the outlet of the air supply pump 24, and the other end of the air inlet pipe 18 is connected to an air supply pipe 15 through an electromagnetic valve 16;

[0032] the other end of the exhaust pipe 5 is connected to one end of the valve 6, an opening is formed at the connection position of the suction hood 13 and the top of the explosion-proof control cabinet 3, the pressure control assembly 8 comprises a pressure sensor and a structure capable of discharging pressure when the pressure is too high, the other end of the air supply pipe 15 is connected to the back of the explosion-proof control cabinet 3, and the filter screen 26 in the filter box 20 can filter the gas entering the interior of the explosion-proof control cabinet 3 to reduce the dust content in the interior.

[0033] a mounting base 11 is installed on the front of the cabinet door 4, and a control switch 12 is installed on the front of the mounting base 11;

[0034] the control switch 12 is connected to the internal equipment and can perform some simple control.

[0035] The installation frame 22 is internally provided with a plurality of threaded holes 25.

[0036] The threaded holes 25 are convenient for mounting the equipment on the front of the installation frame 22 through bolts.

[0037] The bottom of the placing rack 2 is provided with a shock-absorbing base 1, and the shock-absorbing base 1 comprises a bottom plate 101.

[0038] The installation holes 103 are convenient for fixing the bottom plate 101 in the corresponding position through bolts.

[0039] The top of the bottom plate 101 is fixedly connected with a fixing disc 102 near the four corners.

[0040] The top end of the shock-absorbing spring 104 is connected with the bottom of the placing rack 2 through the fixing disc 102, and the shock-absorbing spring 104 can play a shock-absorbing effect.

[0041] The exhaust assembly 9 comprises a protective shell 901 provided with a breathable hole 902, and the inside of the protective shell 901 is internally provided with an exhaust pump 903.

[0042] The exhaust pump 903 can provide suction to exhaust the air in the explosion-proof control cabinet 3, and the breathable hole 902 is used for heat dissipation.

[0043] The working principle of the explosion-proof air supply system of the explosion-proof oil batch control cabinet is as follows:

[0044] A suction hood 13 in inverted trapezoidal shape is installed on the top of the explosion-proof control cabinet 3, and then a plurality of butt-joint pipes 14 and an exhaust pipe 5 are connected, so that harmful gas entering the explosion-proof control cabinet 3 can be exhausted after the cabinet door 4 of the explosion-proof control cabinet 3 is closed, and it is convenient to inject harmless air or gas into the explosion-proof control cabinet 3, and a valve 6 is arranged between the exhaust pipe 5 and the connecting pipe 7 on the inlet of the exhaust assembly 9, so that the interior of the explosion-proof control cabinet 3 is a closed space after the valve 6 is closed, and after the equipment is installed and the cabinet door 4 is closed, the valve 6 is only needed to be opened, so that the air in the explosion-proof control cabinet 3 is exhausted through the exhaust assembly 9, and at the same time, the harmless gas or air sucked into the installation pipe 21 is injected into the explosion-proof control cabinet 3 through the filter box 20 by starting the air supply pump 24, so that the harmful gas in the interior is replaced by the harmless gas, and after the replacement is completed, the valve 6 is closed, and the exhaust assembly 9 stops working, so that only the harmless gas is in the explosion-proof control cabinet 3, and then the corresponding pressure in the explosion-proof control cabinet 3 is increased by the air supply pump 24, and then the electromagnetic valve 16 is closed, and in this process, the pressure control assembly 8 with a pressure sensor is matched to stabilize the interior of the explosion-proof control cabinet 3 at the corresponding pressure, and if the pressure is too large, the pressure control assembly 8 will discharge the pressure, and if the pressure is too small, the electromagnetic valve 16 is opened and the air supply pump 24 works to supplement the pressure.

[0045] Compared with the related art, the explosion-proof air supply system of the explosion-proof batch control cabinet has the following beneficial effects:

[0046] In order to increase the exhaust function of the air supply system of the explosion-proof batch control cabinet, a suction hood 13 in inverted trapezoidal shape is installed on the top of the explosion-proof control cabinet 3, and then a plurality of butt-joint pipes 14 and an exhaust pipe 5 are connected, so that harmful gas entering the explosion-proof control cabinet 3 can be exhausted after the cabinet door 4 of the explosion-proof control cabinet 3 is closed, and it is convenient to inject harmless air or gas into the explosion-proof control cabinet 3, and a valve 6 is arranged between the exhaust pipe 5 and the connecting pipe 7 on the inlet of the exhaust assembly 9, so that the interior of the explosion-proof control cabinet 3 is a closed space after the valve 6 is closed, and through the design, an exhaust structure for removing harmful gas is added to the explosion-proof control cabinet 3, so that harmful gas entering the interior after the cabinet door 4 is opened can be cleaned in time to avoid damaging the internal equipment.

[0047] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields by using the utility model specification and drawing contents are also included in the patent protection range of the utility model.

Claims

1. An explosion-proof air supply system for an explosion-proof batch control cabinet, characterized in that Including: The rack is placed; Explosion-proof control cabinet; The explosion-proof control cabinet is fixedly connected to the top of the rack, a suction hood is installed on the top of the explosion-proof control cabinet, a plurality of butt pipes are installed on the top of the suction hood, an exhaust pipe is installed on the top of the plurality of butt pipes, an exhaust assembly is installed on the top of the explosion-proof control cabinet, a connecting pipe is installed on the inlet of the exhaust assembly, a valve is fixedly connected to the other end of the connecting pipe, an exhaust pipe is installed on the outlet of the exhaust assembly, a pressure control assembly is installed on the top of the explosion-proof control cabinet, and a cabinet door is rotatably connected to the front of the explosion-proof control cabinet; The installation shell is installed on the bottom of the inner wall of the rack, the inside of the installation shell is provided with a gas supply pump, the inlet of the gas supply pump is provided with a suction pipe, the other end of the suction pipe is connected to one side of the filter box, the inside of the filter box is provided with a filter screen through a fixing buckle, the other side of the filter box is provided with an installation pipe, the outlet of the gas supply pump is provided with an air inlet pipe, and the other end of the air inlet pipe is provided with a gas supply pipe through an electromagnetic valve.

2. The explosion-proof air supply system of the batch control cabinet according to claim 1, characterized in that, The front of the cabinet door is provided with a mounting base, and the front of the mounting base is provided with a control switch.

3. The explosion-proof air supply system of the bulk oil control cabinet according to claim 1, characterized in that, The inside of the explosion-proof control cabinet is provided with a mounting frame, and the front of the mounting frame is provided with a plurality of threaded holes.

4. The explosion-proof air supply system of the bulk oil control cabinet according to claim 1, characterized in that, The bottom of the rack is provided with a shock-absorbing base, the shock-absorbing base comprises a bottom plate, and a mounting hole is formed in the top of the bottom plate near each corner.

5. The explosion-proof air supply system of the bulk oil control cabinet according to claim 4, characterized in that, The top of the bottom plate is fixedly connected with a fixing disc near each corner, and the top of the fixing disc is fixedly connected with a shock-absorbing spring.

6. The explosion-proof air supply system of the bulk oil control cabinet according to claim 1, characterized in that, The exhaust assembly comprises a protective shell with air holes, and the inside of the protective shell is provided with an exhaust pump.

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