CN213298211U

CN213298211U - Refrigeration compressor electrical EXDIIC explosion-proof structure

Info

Publication number: CN213298211U
Application number: CN202022210816.0U
Authority: CN
Inventors: 叶秀峰
Original assignee: Yeqi Shanghai Electric Appliance Co ltd
Current assignee: Yeqi Shanghai Electric Appliance Co ltd
Priority date: 2020-10-01
Filing date: 2020-10-01
Publication date: 2021-05-28
Anticipated expiration: 2030-10-01

Abstract

The utility model discloses an explosion-proof structure of refrigeration compressor electrical EXDIIC, including compressor body casing, compressor body casing one side is provided with the flame proof casing, has seted up explosion-proof type cable business turn over line mouth on the flame proof casing, and flame proof casing one end passes through bolt fixed connection with the flame proof flange face. According to the electric EXDIIC explosion-proof structure of the refrigeration compressor, the explosion-proof shell is a circular EXDIIC explosion-proof shell, so that the impact resistance and the explosion resistance are better, the explosion-proof shell is a component made of Q235 carbon steel, and the surface of the explosion-proof shell is sprayed with high-temperature-resistant paint, so that the corrosion resistance is enhanced. Be provided with the sealing washer in the explosion-proof type cable business turn over line mouth, be provided with the adhesive tape on the flame proof flange face respectively, the reinforcing leakproofness improves whole protection level, and whether totally sealed at process tube department evacuation inspection outlet duct and muffler, simple structure makes simple to operate, and the security is high.

Description

Refrigeration compressor electrical EXDIIC explosion-proof structure

Technical Field

The utility model relates to a refrigerator air conditioner compressor's starter and thermal protector's safety protection and explosion-proof technical field of mechanism specifically are a refrigeration compressor electric EXDIIC explosion-proof construction.

Background

After a starter and a thermal protector of a refrigeration compressor of an existing refrigerator air conditioner are connected to a compressor body, protection is adopted for protective protection of a plastic shell. The existing structure is simple and crude, and has the following defects: firstly, the sealing performance is not enough, so that water is easy to enter, and the water is short-circuited to burn the compressor or cause personal safety and property loss. And secondly, the explosion-proof requirement of explosion-proof electricity cannot be met, an initiator and a thermal protector with charged inner parts are not safely isolated from the external environment, and when gas leakage occurs, but flammable and explosive gas or dust exists outside the gas leakage, the flammable and explosive gas or dust exists outside the gas leakage, and the flammable and explosive gas or dust easily ignites to detonate the dangerous gas or dust outside the gas leakage. So that it cannot be used in some dangerous environments where flammable and explosive gases and dust exist or may exist. Finally, the component is not strong enough, and can crack or break after being impacted to a certain degree, so that the starter and the thermal protector with charged inside are damaged physically, and the danger is caused.

Disclosure of Invention

An object of the utility model is to provide a refrigeration compressor electric EXDIIC explosion-proof structure, the flame proof casing adopts circular EXDIIC class explosion-proof shell, shock-resistant and explosion-proof nature are better, protect starter and thermal protector, can keep apart inside electrified components and parts and outside hazardous gas dust, under the most extreme condition, for example take place burning and explosion in this flame proof casing, also can be effectual keep apart inside the casing burning and explosion, do not pass to explode, do not ignite and explode outside hazardous gas or dust. Thereby achieving the explosion-proof requirement standard of explosion-proof electricity. The explosion-proof shell adopts a component made of Q235 carbon steel as a raw material, and high-temperature-resistant paint is sprayed on the surface of the component, so that the corrosion resistance is enhanced. The minimum 3 MPA's of strength can be resisted pressure 10~12 seconds to protect inside components and parts can not receive direct impact or striking, be provided with the sealing washer in the explosion-proof type cable business turn over line mouth, be provided with the adhesive tape on the tang formula flame proof flange face respectively, strengthen the leakproofness, improve whole protection level, whether totally sealed at process tube department evacuation inspection outlet duct and muffler, simple structure, make simple to operate, the security is high, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

an electrical EXDIIC explosion-proof structure of a refrigeration compressor comprises a compressor body shell, wherein an explosion-proof shell is arranged on one side of the compressor body shell, an explosion-proof cable inlet and outlet port is formed in the explosion-proof shell, and one end of the explosion-proof shell is fixedly connected with an explosion-proof flange surface through a bolt;

the side wall of the shell of the compressor body is respectively provided with a process pipe, an air outlet pipe and an air return pipe, and the lower surface of the shell of the compressor body is fixedly connected with the mounting and fixing support legs through bolts.

Preferably, the explosion-proof shell adopts a circular EXDIIC explosion-proof shell, and the explosion-proof shell adopts a component made of Q235 carbon steel.

Preferably, the surfaces of the explosion-proof flanges are respectively provided with an adhesive tape, and the wire inlet and outlet of the explosion-proof cable are internally provided with a sealing ring.

Preferably, the process pipe, the air outlet pipe and the air return pipe are respectively welded with the shell of the compressor body, the air outlet pipe and the air return pipe are arranged on one side of the shell of the compressor body, and the process pipe is arranged on the other side of the shell of the compressor body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this electric EXDIIC explosion-proof structure of compressor, the explosion-proof casing adopts circular EXDIIC class explosion-proof shell, and shock-resistant and blast resistance are better, protect starter and hot protector, can keep apart inside electrified components and parts and outside hazardous gas dust, under the most extreme circumstances, for example take place burning and explosion in this explosion-proof casing, also can be effectual keep apart inside the casing burning and explosion, do not pass and explode, do not ignite and explode outside hazardous gas or dust. Thereby achieving the explosion-proof requirement standard of explosion-proof electricity. The explosion-proof shell adopts a component made of Q235 carbon steel as a raw material, and high-temperature-resistant paint is sprayed on the surface of the component, so that the corrosion resistance is enhanced. The strength can resist the pressure of 3MPA for 10-12 seconds at least, thereby protecting internal components from direct impact or impact. The cable is introduced inside the flame-proof shell by an explosion-proof cable inlet and outlet and is connected to the starter and the thermal protector, the flame-proof shell and a spigot type flame-proof flange surface are subjected to pressure test and power voltage withstand test together, ignition components such as the starter and the thermal protector are installed inside the flame-proof shell and the thermal protector after reaching the standard, the flame-proof flange surface is coated with butter and subjected to rust-proof treatment, fastening bolts are screwed, sealing rings are arranged in the explosion-proof cable inlet and outlet, adhesive tapes are respectively arranged on the flame-proof flange surface, the sealing performance is enhanced, the overall protection grade is improved, whether the process pipe is completely sealed by vacuumizing to check an outlet pipe and an air return pipe or not, the structure is.

Drawings

FIG. 1 is a side view of the overall structure of the present invention;

fig. 2 is a top view of the overall structure of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention.

In the figure: 1. an explosion-proof flange surface; 2. an explosion-proof shell; 3. an explosion-proof cable inlet and outlet; 4. a process tube; 5. an air outlet pipe; 6. an air return pipe; 7. a compressor body shell; 8. and fixing the support legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an explosion-proof structure of refrigeration compressor electrical EXDIIC comprises a compressor body shell 7, wherein an explosion-proof shell 2 is arranged on one side of the compressor body shell 7, the explosion-proof shell 2 is a circular EXDIIC explosion-proof shell, the impact resistance and the explosion resistance are better, a starter and a thermal protector are protected, internal electrified components and external dangerous gas dust can be isolated, and under the most extreme condition, for example, combustion and explosion occur in the explosion-proof shell 2, the combustion and the explosion can be effectively isolated inside the shell, so that explosion propagation is avoided, and the external dangerous gas or dust is not ignited and detonated. Thereby achieving the explosion-proof requirement standard of explosion-proof electricity. The explosion-proof shell 2 is a component made of Q235 carbon steel, and high-temperature-resistant paint is sprayed on the surface of the component to enhance the corrosion resistance. The strength can resist the pressure of 3MPA for 10-12 seconds at least, thereby protecting internal components from direct impact or impact. An explosion-proof cable inlet and outlet 3 is formed in an explosion-proof shell 2, a sealing ring is arranged in the explosion-proof cable inlet and outlet 3 to enhance the sealing performance, a cable is led into the explosion-proof shell 2 through the explosion-proof cable inlet and outlet 3 and is connected to a starter and a thermal protector, one end of the explosion-proof shell 2 is fixedly connected with an explosion-proof flange face 1 through a bolt, one end of the explosion-proof shell 2 is connected with the explosion-proof flange face 1 through a spigot type explosion-proof flange face or a threaded explosion-proof flange, the explosion-proof shell 2 and the explosion-proof flange face 1 are subjected to pressure test and electric power pressure resistance test together, ignition components such as the starter and the thermal protector are installed in the explosion-proof shell after the standard is met, adhesive tapes are respectively arranged on the explosion-proof flange face 1 to enhance the sealing performance and improve the overall protection level, the explosion-proof flange face 1 is coated, Outlet duct 5 and muffler 6, technology pipe 4, outlet duct 5 and muffler 6 weld with compressor body casing 7 respectively, outlet duct 5 and muffler 6 are in compressor body casing 7 one side, technology pipe 4 is at compressor body casing 7 opposite side, whether sealed completely at technology pipe 4 evacuation inspection outlet duct 5 and

muffler

6, 7 lower surfaces of compressor body casing are respectively through bolt and 8 fixed connection of installation fixed stabilizer blade, strengthen holistic stability, moreover, the steam generator is simple in structure, convenient to manufacture and install, and the security is high.

In conclusion, according to the electrical EXDIIC explosion-proof structure of the refrigeration compressor, the explosion-proof shell 2 is a circular EXDIIC explosion-proof shell, so that the impact resistance and the explosion resistance are better, the starter and the thermal protector are protected, internal charged components and external dangerous gas dust can be isolated, and under the most extreme condition, such as combustion and explosion in the explosion-proof shell 2, the combustion and the explosion can be effectively isolated in the shell without explosion propagation and ignition of the external dangerous gas or dust. Thereby achieving the explosion-proof requirement standard of explosion-proof electricity. The explosion-proof shell 2 is a component made of Q235 carbon steel, and high-temperature-resistant paint is sprayed on the surface of the component to enhance the corrosion resistance. The strength can resist the pressure of 3MPA for 10-12 seconds at least, thereby protecting internal components from direct impact or impact. The cable is introduced inside explosion-proof casing 2 by explosion-proof type cable business turn over line mouth 3 and is connected to on starter and the hot protector, explosion-proof casing 2 carries out pressure test and electric power withstand voltage test with explosion-proof flange face 1 together, install the components and parts of striking sparks such as starter and hot protector inside it after reaching the standard, tang formula explosion-proof flange face 1 is scribbled butter and is done the anti-rust treatment after, tighten fastening bolt, be provided with the sealing washer in explosion-proof type cable business turn over line mouth 3, be provided with the adhesive tape on tang formula explosion-proof flange face 1 respectively, strengthen the leakproofness, improve whole protection level, whether process pipe 4 evacuation inspection outlet duct 5 and muffler 6 are sealed completely, moreover, the steam generator is simple in structure, the manufacturing and installation are convenient, and.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof structure of refrigeration compressor electric EXDIIC, includes compressor body casing (7), its characterized in that: one side of the compressor body shell (7) is provided with an explosion-proof shell (2), an explosion-proof cable inlet and outlet (3) is formed in the explosion-proof shell (2), and one end of the explosion-proof shell (2) is fixedly connected with an explosion-proof flange face (1) through a bolt;

the side wall of the compressor body shell (7) is provided with a process pipe (4), an air outlet pipe (5) and an air return pipe (6) respectively, and the lower surface of the compressor body shell (7) is fixedly connected with the mounting and fixing support legs (8) through bolts respectively.

2. The refrigeration compressor electrical EXDIIC explosion-proof structure of claim 1, wherein: the explosion-proof shell (2) adopts a circular EXDIIC explosion-proof shell, and the explosion-proof shell (2) adopts a component made of Q235 carbon steel as a raw material.

3. The refrigeration compressor electrical EXDIIC explosion-proof structure of claim 1, wherein: rubber strips are respectively arranged on the explosion-proof flange surface (1), and sealing rings are arranged in the explosion-proof cable inlet and outlet ports (3).

4. The refrigeration compressor electrical EXDIIC explosion-proof structure of claim 1, wherein: the process pipe (4), the air outlet pipe (5) and the air return pipe (6) are respectively welded with the compressor body shell (7), the air outlet pipe (5) and the air return pipe (6) are arranged on one side of the compressor body shell (7), and the process pipe (4) is arranged on the other side of the compressor body shell (7).