CN111371025A - Electric power measurement cabinet - Google Patents
Electric power measurement cabinet Download PDFInfo
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- CN111371025A CN111371025A CN202010319226.3A CN202010319226A CN111371025A CN 111371025 A CN111371025 A CN 111371025A CN 202010319226 A CN202010319226 A CN 202010319226A CN 111371025 A CN111371025 A CN 111371025A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Health & Medical Sciences (AREA)
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- Organic Chemistry (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses an electric power metering cabinet, which comprises a cabinet body, a cabinet door, a base and a top cover, wherein the cabinet door is arranged on one side of the cabinet body and movably connected with the cabinet body through a hinge; a water passing pipe is arranged in the cabinet body and the cavity in the base, a water inlet pipe is arranged on one side of the bottom end of the base, a water outlet pipe is arranged on the other side of the bottom end of the base, two ends of the water passing pipe are respectively connected with the water inlet pipe and the water outlet pipe, heat dissipation holes are formed in the back of the cabinet body, a partition plate is arranged in the cabinet body, an exhaust fan is arranged on the lower surface in the base, and a protective net is arranged; this electric power measurement cabinet can dispel the heat fast, and the cabinet body has adopted a combined material that insulating flame retardant efficiency is good, non-deformable, and durable can guarantee personnel's safety simultaneously, can reduce the emergence of incident.
Description
Technical Field
The invention relates to an electric power metering cabinet, and belongs to the field of electric power.
Background
The metering cabinet is a cabinet body provided with a special metering meter and is called a metering cabinet. The metering cabinet in China generally refers to an electric energy metering cabinet, and the electric energy metering cabinet is a special cabinet type electricity consumption metering device (electric energy metering device) according to the definition of terms in the specification of electric energy metering cabinet (GB/T16976-2013). The electricity consumption metering device is a general term for all combinations of electrical equipment, electrical parts and mechanical structures for metering electrical energy. Electric power measurement cabinet is extensively applied to the electric power field, especially power consumption end user, and big to mill is little to every family user, and current electric power measurement cabinet includes the cabinet body and cabinet door, and the internal portion of cabinet is provided with metering device and binding post, because electric power measurement cabinet is in operating condition for a long time, especially in summer, when the high temperature, can cause the harm to the electronic component of the internal portion of cabinet. The existing metering cabinet has the following defects that firstly, the heat dissipation effect is general, the flame retardant effect is poor, and fire hazard is easy to occur, so that larger electric power equipment is damaged; secondly, in daily use, the metering cabinet is very easy to be opened by people with poor safety power consumption consciousness, and potential safety hazards exist on the people due to poor insulation effect of the existing metering cabinet body; thirdly, easy deformation and short service life.
Therefore, it is necessary to find a power metering cabinet which has high strength, is aging-resistant, can quickly dissipate heat, has excellent insulation resistance performance and can ensure the safety of personnel.
Disclosure of Invention
In view of this, the invention aims to provide an electric power metering cabinet which has high strength, is aging-resistant, can quickly dissipate heat, has excellent insulation resistance performance and can ensure personnel safety.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an electric power metering cabinet comprises a cabinet body, a cabinet door, a base and a top cover, wherein the cabinet door is arranged on one side of the cabinet body and movably connected with the cabinet body through a hinge; the improved cabinet is characterized in that water pipes are arranged in the cavity of the cabinet body and the cavity of the base, a water inlet pipe is arranged on one side of the bottom end of the base, a water outlet pipe is arranged on the other side of the bottom end of the base, two ends of the water pipes are respectively connected with the water inlet pipe and the water outlet pipe, heat dissipation holes are formed in the back of the cabinet body, a partition plate is arranged in the cabinet body, an exhaust fan is arranged on the lower surface inside the base.
Preferably, the cabinet body and the base are integrally formed, the partition plate and the cabinet body are integrally formed, the structure is firm, and deformation cannot occur.
Preferably, a temperature sensor is further arranged in the cabinet body, and can sense the temperature in the cabinet body.
Preferably, the other ends of the water inlet pipe and the water outlet pipe are provided with control switches which can control water flow.
Preferably, the top cover is arranged in a conical shape, the bottom of the top cover is fixedly connected with the top of the cabinet body through bolts, rainwater can flow to the ground along the direction of the top cover and cannot enter the interior of the cabinet body, and therefore damage to power equipment is prevented.
Preferably, the cabinet door is provided with an observation window, the observation window is made of toughened glass, and a switch handle is arranged in the middle of one side of the cabinet door, which is far away from the cabinet body and is movably connected with the cabinet body, so that the internal condition of the cabinet body can be observed conveniently, and the cabinet body can be switched conveniently.
Preferably, the top cover is hollow, a motor and a water pump are arranged in the top cover, and the water pipe is controlled to cool the inside of the cabinet body through the matching of the motor and the water pump.
Preferably, the cabinet body is made of a composite material with a good insulating and flame-retardant effect, and can effectively prevent fire.
Preferably, the composite material is prepared from the following raw materials in parts by weight: 30-40 parts of ABS resin, 10-15 parts of glass fiber, 8-10 parts of methyl vinyl silicone rubber, 6-8 parts of barium sulfate powder, 1-3 parts of paraffin hydrocarbon oil, 2-4 parts of nano magnesium oxide, 1-3 parts of dicyclopentadiene, 2-3 parts of trihydroxyethyl isocyanurate, 1-2 parts of pentaerythritol, 3-5 parts of copper chlorophyllin, 2-4 parts of boron fiber, 5-7 parts of quartz sand, 1-2 parts of hollow microspheres, 9-11 parts of perlite, 3-5 parts of iron black powder and 40-50 parts of ethylene glycol monomethyl ether.
Another technical problem to be solved by the present invention is to provide a method for manufacturing a cabinet, comprising the following steps:
1) 30-40 parts of ABS resin, 8-10 parts of methyl vinyl silicone rubber, 1-3 parts of dicyclopentadiene and 40-50 parts of ethylene glycol monomethyl ether are put into a reaction kettle and heated at the temperature of 170-190 ℃ for 20-30 minutes to prepare glue solution for later use;
2) putting 10-15 parts of glass fiber, 2-4 parts of boron fiber, 5-7 parts of quartz sand, 1-2 parts of hollow microsphere, 9-11 parts of perlite and 3-5 parts of iron black powder into a ball mill, ball-milling for 10-20 minutes at the speed of 1400r/min, and then sieving through a 200-mesh sieve with 250 meshes to obtain ball-milled powder for later use;
3) adding the ball powder prepared in the step 2) into the glue solution prepared in the step 1), then sequentially adding 1-2 parts of pentaerythritol and 1-3 parts of paraffin hydrocarbon oil, adjusting the temperature of a reaction kettle to 200-220 ℃, and stirring and mixing at the speed of 40-60rpm for 10-15 minutes to obtain a mixed glue solution for later use;
4) sequentially adding 6-8 parts of barium sulfate powder, 2-4 parts of nano magnesium oxide, 2-3 parts of trihydroxyethyl isocyanurate and 3-5 parts of copper chlorophyllin into the mixed glue solution prepared in the step 3), and stirring at the speed of 60-80rpm for 1-2 hours to obtain a composite material for later use;
5) injecting the composite material obtained in the step 4) into a cabinet mould through an extruder, carrying out hot-press molding, wherein the hot-press strength is 1-1.5MPa, the hot-press time is 20-30 minutes, then carrying out water cooling treatment on the mould, the water cooling temperature is 30-40 ℃, and the water cooling time is 10-20 minutes, thus obtaining a molded cabinet;
6) polishing the molded cabinet body prepared in the step 5), and then coating a layer of varnish on the outer surface of the molded cabinet body.
The technical effects of the invention are mainly reflected in the following aspects: due to the arrangement of the conical top cover, rainwater can flow to the ground along the direction of the top cover, and electric equipment in the cabinet body cannot be damaged; because the cabinet body is internally provided with a water passing pipe and a temperature sensor, the top cover is internally provided with a motor and a water pump, the two ends of the lower part of the base are provided with a water inlet pipe and a water outlet pipe, and the two ends of the water passing pipe are connected with the water inlet pipe and the water outlet pipe; the cabinet body is made of a special composite material, the composite material adopts ABS resin and methyl vinyl silicone rubber as main raw materials, glass fiber, barium sulfate powder, boron fiber, quartz sand, hollow microspheres, perlite, iron black powder and nano magnesium oxide which can increase the strength of the cabinet body are adopted as fillers, ethylene glycol monomethyl ether is adopted as a solvent, paraffin hydrocarbon oil and trihydroxyethyl isocyanurate which are used as plasticizers are added, dicyclopentadiene and pentaerythritol which have good insulating and flame-retardant effects and a chlorophyll copper acid which is a colorant with high stability are added, and the cabinet body is aging-resistant and high in strength and has good insulating and flame-retardant effects through a specific manufacturing process of glue making, ball milling, mixed melting, feeding, mold entering, forming, cooling, polishing and paint brushing.
Drawings
FIG. 1 is a structural diagram of an electric power metering cabinet door after being opened;
FIG. 2 is a structural diagram of the electric power metering cabinet door after being closed;
FIG. 3 is a back view of a cabinet body of an electric power measuring cabinet according to the present invention;
FIG. 4 is a schematic diagram of a base structure of the power metering device of the present invention;
fig. 5 is a schematic view of a water pipe structure in electric power metering according to the present invention.
Detailed Description
The following detailed description of the present invention, taken in conjunction with the accompanying fig. 1-5, is provided to facilitate the understanding and appreciation of the present invention.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
Example 1
An electric power metering cabinet is shown in figures 1-5 and comprises a cabinet body 1, a cabinet door 2 which is arranged on one side of the cabinet body 1 and movably connected with the cabinet body 1 through a hinge, a base 3 which is arranged below the cabinet body 1 and communicated with the interior of the cabinet body 1, and a top cover 4 which is arranged above the cabinet body 1 and fixedly connected with the top of the cabinet body 1, wherein the cabinet body 1 and the base 3 are integrally formed, the structure is firm, and deformation cannot occur; the utility model discloses a cabinet, including cabinet body 1 and base 3, be provided with water pipe 11 in the cavity, bottom one side of base 3 is provided with inlet tube 13, and the opposite side is provided with outlet pipe 14, the both ends of water pipe 11 are connected with inlet tube 13 and outlet pipe 14 respectively, the other end of inlet tube 13 and outlet pipe 14 all is provided with control switch, can control the rivers in the water pipe 11. The back of the cabinet body 1 is provided with heat dissipation holes 12, a partition plate 15 is arranged in the cabinet body 1, the partition plate 15 and the cabinet body 1 are integrally formed, the structure is firm, and deformation cannot occur. Still be provided with temperature sensor in the cabinet body 1, can the internal temperature of perception cabinet. The cabinet door 2 is provided with an observation window 21, the observation window 21 is made of toughened glass, the internal condition of the cabinet can be observed conveniently, and the cabinet door 2 is provided with a switch handle 22 in the middle of one side which is far away from the cabinet body 1 and is movably connected, so that the cabinet body can be opened and closed conveniently. The inside lower surface of base 3 is provided with exhaust fan 31, and exhaust fan 31 can blow the outside with the hot-air in the cabinet body 1 through the louvre 12 of the cabinet body 1 back, base 3 and the 1 bottom junction of the cabinet body are provided with protection network 32, and protection network 32 can play dustproof guard action to the fan of below. The top cap 4 is the toper setting, and the rainwater can flow to ground along the top cap direction, can not get into the internal portion of cabinet, prevents to damage power equipment, bolt fixed connection is passed through with the top of the cabinet body 1 in the bottom of top cap 4. The inside cavity of top cap 4, be provided with motor and water pump in the top cap 4, through the rivers in the 11 water pipes of mutually supporting control of motor and water pump, and then to the heat dissipation of cooling down of the cabinet body 1 inside. The cabinet body 1 is made of a composite material with good insulating and flame-retardant effects, and can effectively prevent fire. In the embodiment, the model of the motor is a three-phase asynchronous motor Y112M-4, the model of the water pump is S100-65-315, the model of the temperature sensor is TYC7-102, and the motor, the water pump and the temperature sensor are electrically connected with the control switch.
The using method comprises the following steps: during the use, insert the ground surface water layer with inlet tube 13 and outlet pipe 14, when temperature sensor perception arrives the internal temperature on the high side of cabinet 1, open exhaust fan 31, the heat in the internal 1 of cabinet is discharged through the louvre 12 at the cabinet body 1 back, temperature sensor automatic regulation and control switch and pump work simultaneously, absorb water in the surface water layer, get into in water pipe 11 through inlet tube 13, then flow out through outlet pipe 14, reach hydrologic cycle's effect, because surface water temperature is lower, take away the heat in the internal 1 of cabinet at hydrologic cycle's in-process, thereby reach the purpose of cooling, the condition in the cabinet body 1 can in time be observed through toughened glass 21 on cabinet door 2, thereby make corresponding judgement, setting through protection network 32, prevent that dust and other parts in the air from dropping on exhaust fan 31.
The composite material is prepared from the following raw materials in parts by weight: 40 parts of ABS resin, 15 parts of glass fiber, 10 parts of methyl vinyl silicone rubber, 8 parts of barium sulfate powder, 3 parts of paraffin hydrocarbon oil, 4 parts of nano magnesium oxide, 3 parts of dicyclopentadiene, 3 parts of trihydroxyethyl isocyanurate, 2 parts of pentaerythritol, 5 parts of copper chlorophyllin, 4 parts of boron fiber, 7 parts of quartz sand, 2 parts of hollow microsphere, 11 parts of perlite, 5 parts of iron black powder and 50 parts of ethylene glycol monomethyl ether.
The manufacturing method of the cabinet body 1 comprises the following steps:
1) adding 40 parts of ABS resin, 10 parts of methyl vinyl silicone rubber, 3 parts of dicyclopentadiene and 50 parts of ethylene glycol monomethyl ether into a reaction kettle, and heating at 190 ℃ for 30 minutes to prepare a glue solution for later use;
2) putting 15 parts of glass fiber, 4 parts of boron fiber, 7 parts of quartz sand, 2 parts of hollow microspheres, 11 parts of perlite and 5 parts of iron black powder into a ball mill, ball-milling for 20 minutes at the speed of 1400r/min, and sieving by a 250-mesh sieve to obtain ball-milled powder for later use;
3) adding the ball milling powder prepared in the step 2) into the glue solution prepared in the step 1), then sequentially adding 2 parts of pentaerythritol and 3 parts of paraffin hydrocarbon oil, adjusting the temperature of a reaction kettle to 220 ℃, and stirring and mixing for 15 minutes at a speed of 60rpm to obtain a mixed glue solution for later use;
4) sequentially adding 8 parts of barium sulfate powder, 4 parts of nano magnesium oxide, 3 parts of trihydroxyethyl isocyanurate and 5 parts of copper chlorophyllin into the mixed glue solution prepared in the step 3), and stirring at the speed of 80rpm for 2 hours to obtain a composite material for later use;
5) injecting the composite material obtained in the step 4) into a cabinet mould through an extruder, carrying out hot press molding, wherein the hot press strength is 1.5MPa, the hot press time is 30 minutes, then carrying out water cooling treatment on the mould, the water cooling temperature is 40 ℃, and the water cooling time is 20 minutes to obtain a molded cabinet;
6) polishing the molded cabinet body prepared in the step 5), and then coating a layer of varnish on the outer surface of the molded cabinet body.
Example 2
An electric power metering cabinet is shown in figures 1-5 and comprises a cabinet body 1, a cabinet door 2 which is arranged on one side of the cabinet body 1 and movably connected with the cabinet body 1 through a hinge, a base 3 which is arranged below the cabinet body 1 and communicated with the interior of the cabinet body 1, and a top cover 4 which is arranged above the cabinet body 1 and fixedly connected with the top of the cabinet body 1, wherein the cabinet body 1 and the base 3 are integrally formed, the structure is firm, and deformation cannot occur; the utility model discloses a cabinet, including cabinet body 1 and base 3, be provided with water pipe 11 in the cavity, bottom one side of base 3 is provided with inlet tube 13, and the opposite side is provided with outlet pipe 14, the both ends of water pipe 11 are connected with inlet tube 13 and outlet pipe 14 respectively, the other end of inlet tube 13 and outlet pipe 14 all is provided with control switch, can control the rivers in the water pipe 11. The back of the cabinet body 1 is provided with heat dissipation holes 12, a partition plate 15 is arranged in the cabinet body 1, the partition plate 15 and the cabinet body 1 are integrally formed, the structure is firm, and deformation cannot occur. Still be provided with temperature sensor in the cabinet body 1, can the internal temperature of perception cabinet. The cabinet door 2 is provided with an observation window 21, the observation window 21 is made of toughened glass, the internal condition of the cabinet can be observed conveniently, and the cabinet door 2 is provided with a switch handle 22 in the middle of one side which is far away from the cabinet body 1 and is movably connected, so that the cabinet body can be opened and closed conveniently. The inside lower surface of base 3 is provided with exhaust fan 31, and exhaust fan 31 can blow the outside with the hot-air in the cabinet body 1 through the louvre 12 of the cabinet body 1 back, base 3 and the 1 bottom junction of the cabinet body are provided with protection network 32, and protection network 32 can play dustproof guard action to the fan of below. The top cap 4 is the toper setting, and the rainwater can flow to ground along the top cap direction, can not get into the internal portion of cabinet, prevents to damage power equipment, bolt fixed connection is passed through with the top of the cabinet body 1 in the bottom of top cap 4. The inside cavity of top cap 4, be provided with motor and water pump in the top cap 4, through the rivers in the 11 water pipes of mutually supporting control of motor and water pump, and then to the heat dissipation of cooling down of the cabinet body 1 inside. The cabinet body 1 is made of a composite material with good insulating and flame-retardant effects, and can effectively prevent fire. In the embodiment, the model of the motor is a three-phase asynchronous motor Y112M-4, the model of the water pump is S100-65-315, the model of the temperature sensor is TYC7-102, and the motor, the water pump and the temperature sensor are electrically connected with the control switch.
The using method comprises the following steps: during the use, insert the ground surface water layer with inlet tube 13 and outlet pipe 14, when temperature sensor perception arrives the internal temperature on the high side of cabinet 1, open exhaust fan 31, the heat in the internal 1 of cabinet is discharged through the louvre 12 at the cabinet body 1 back, temperature sensor automatic regulation and control switch and pump work simultaneously, absorb water in the surface water layer, get into in water pipe 11 through inlet tube 13, then flow out through outlet pipe 14, reach hydrologic cycle's effect, because surface water temperature is lower, take away the heat in the internal 1 of cabinet at hydrologic cycle's in-process, thereby reach the purpose of cooling, the condition in the cabinet body 1 can in time be observed through toughened glass 21 on cabinet door 2, thereby make corresponding judgement, setting through protection network 32, prevent that dust and other parts in the air from dropping on exhaust fan 31.
The composite material is prepared from the following raw materials in parts by weight: 30 parts of ABS resin, 10 parts of glass fiber, 8 parts of methyl vinyl silicone rubber, 6 parts of barium sulfate powder, 1 part of paraffin hydrocarbon oil, 2 parts of nano magnesium oxide, 1 part of dicyclopentadiene, 2 parts of trihydroxyethyl isocyanurate, 1 part of pentaerythritol, 3 parts of copper chlorophyllin, 2 parts of boron fiber, 5 parts of quartz sand, 1 part of hollow microsphere, 9 parts of perlite, 3 parts of iron black powder and 40 parts of ethylene glycol monomethyl ether.
The manufacturing method of the cabinet body 1 comprises the following steps:
1) adding 30 parts of ABS resin, 8 parts of methyl vinyl silicone rubber, 1 part of dicyclopentadiene and 40 parts of ethylene glycol monomethyl ether into a reaction kettle, and heating at the temperature of 170 ℃ for 20 minutes to prepare a glue solution for later use;
2) putting 10 parts of glass fiber, 2 parts of boron fiber, 5 parts of quartz sand, 1 part of hollow microsphere, 9 parts of perlite and 3 parts of iron black powder into a ball mill, ball-milling for 10 minutes at the speed of 1200r/min, and then sieving by a 200-mesh sieve to obtain ball-milled powder for later use;
3) adding the ball milling powder prepared in the step 2) into the glue solution prepared in the step 1), then sequentially adding 1 part of pentaerythritol and 1 part of paraffin hydrocarbon oil, adjusting the temperature of a reaction kettle to 200 ℃, and stirring and mixing for 10 minutes at the speed of 40rpm to obtain a mixed glue solution for later use;
4) sequentially adding 6 parts of barium sulfate powder, 2 parts of nano magnesium oxide, 2 parts of trihydroxyethyl isocyanurate and 3 parts of copper chlorophyllin into the mixed glue solution prepared in the step 3), and stirring at the speed of 60rpm for 1 hour to obtain a composite material for later use;
5) injecting the composite material obtained in the step 4) into a cabinet mould through an extruder, carrying out hot press molding, wherein the hot press strength is 1MPa, the hot press time is 20 minutes, then carrying out water cooling treatment on the mould, and carrying out water cooling at the water cooling temperature of 30 ℃ for 10 minutes to obtain a molded cabinet;
6) polishing the molded cabinet body prepared in the step 5), and then coating a layer of varnish on the outer surface of the molded cabinet body.
Example 3
An electric power metering cabinet is shown in figures 1-5 and comprises a cabinet body 1, a cabinet door 2 which is arranged on one side of the cabinet body 1 and movably connected with the cabinet body 1 through a hinge, a base 3 which is arranged below the cabinet body 1 and communicated with the interior of the cabinet body 1, and a top cover 4 which is arranged above the cabinet body 1 and fixedly connected with the top of the cabinet body 1, wherein the cabinet body 1 and the base 3 are integrally formed, the structure is firm, and deformation cannot occur; the utility model discloses a cabinet, including cabinet body 1 and base 3, be provided with water pipe 11 in the cavity, bottom one side of base 3 is provided with inlet tube 13, and the opposite side is provided with outlet pipe 14, the both ends of water pipe 11 are connected with inlet tube 13 and outlet pipe 14 respectively, the other end of inlet tube 13 and outlet pipe 14 all is provided with control switch, can control the rivers in the water pipe 11. The back of the cabinet body 1 is provided with heat dissipation holes 12, a partition plate 15 is arranged in the cabinet body 1, the partition plate 15 and the cabinet body 1 are integrally formed, the structure is firm, deformation cannot occur, and power equipment can be placed on the partition plate 15. Still be provided with temperature sensor in the cabinet body 1, can the internal temperature of perception cabinet. The cabinet door 2 is provided with an observation window 21, the observation window 21 is made of toughened glass, the internal condition of the cabinet can be observed conveniently, and the cabinet door 2 is provided with a switch handle 22 in the middle of one side which is far away from the cabinet body 1 and is movably connected, so that the cabinet body can be opened and closed conveniently. The inside lower surface of base 3 is provided with exhaust fan 31, and exhaust fan 31 can blow the outside with the hot-air in the cabinet body 1 through the louvre 12 of the cabinet body 1 back, base 3 and the 1 bottom junction of the cabinet body are provided with protection network 32, and protection network 32 can play dustproof guard action to the fan of below. The top cap 4 is the toper setting, and the rainwater can flow to ground along the top cap direction, can not get into the internal portion of cabinet, prevents to damage power equipment, bolt fixed connection is passed through with the top of the cabinet body 1 in the bottom of top cap 4. The inside cavity of top cap 4, be provided with motor and water pump in the top cap 4, through the rivers in the 11 water pipes of mutually supporting control of motor and water pump, and then to the heat dissipation of cooling down of the cabinet body 1 inside. The cabinet body 1 is made of a composite material with good insulating and flame-retardant effects, and can effectively prevent fire. In the embodiment, the model of the motor is a three-phase asynchronous motor Y112M-4, the model of the water pump is S100-65-315, the model of the temperature sensor is TYC7-102, and the motor, the water pump and the temperature sensor are electrically connected with the control switch.
The using method comprises the following steps: when the water circulation type air conditioner is used, the water inlet pipe 13 and the water outlet pipe 14 are inserted into a surface water layer, the exhaust fan 31 is started when the temperature sensor senses that the temperature in the cabinet body 1 is higher, the heat in the cabinet body 1 is discharged through the heat dissipation holes 12 in the back of the cabinet body 1, meanwhile, the temperature sensor automatically regulates and controls the operation of the switch and the pump, water is absorbed from the surface water layer, the water enters the water passing pipe 11 through the water inlet pipe 13 and flows out through the water outlet pipe 14 to achieve the effect of water circulation, the heat in the cabinet body 1 is taken away in the water circulation process due to the fact that the surface water temperature is lower, the purpose of cooling is achieved, the condition in the cabinet body 1 can be timely observed through the toughened glass 21 on the cabinet door 2, corresponding judgment is made, and dust and other parts in the air are prevented from falling onto the; because the cabinet body 1 is internally provided with the partition board 15, the power equipment can be placed on the partition board 15.
The composite material is prepared from the following raw materials in parts by weight: 35 parts of ABS resin, 13 parts of glass fiber, 9 parts of methyl vinyl silicone rubber, 7 parts of barium sulfate powder, 2 parts of paraffin hydrocarbon oil, 3 parts of nano magnesium oxide, 2 parts of dicyclopentadiene, 2.5 parts of trihydroxyethyl isocyanurate, 1.5 parts of pentaerythritol, 4 parts of copper chlorophyllin, 3 parts of boron fiber, 6 parts of quartz sand, 1.5 parts of hollow microsphere, 10 parts of perlite, 4 parts of iron black powder and 45 parts of ethylene glycol monomethyl ether.
The manufacturing method of the cabinet body 1 comprises the following steps:
1) adding 35 parts of ABS resin, 9 parts of methyl vinyl silicone rubber, 2 parts of dicyclopentadiene and 45 parts of ethylene glycol monomethyl ether into a reaction kettle, and heating at 180 ℃ for 25 minutes to prepare a glue solution for later use;
2) putting 13 parts of glass fiber, 3 parts of boron fiber, 6 parts of quartz sand, 1.5 parts of hollow microspheres, 10 parts of perlite and 4 parts of iron black powder into a ball mill, ball-milling for 15 minutes at the speed of 1300r/min, and sieving by a 230-mesh sieve to obtain ball-milled powder for later use;
3) adding the ball milling powder prepared in the step 2) into the glue solution prepared in the step 1), then sequentially adding 1.5 parts of pentaerythritol and 2 parts of paraffin hydrocarbon oil, adjusting the temperature of a reaction kettle to 210 ℃, and stirring and mixing at the speed of 50rpm for 13 minutes to obtain a mixed glue solution for later use;
4) sequentially adding 7 parts of barium sulfate powder, 3 parts of nano magnesium oxide, 2.4 parts of trihydroxyethyl isocyanurate and 4 parts of copper chlorophyllin into the mixed glue solution prepared in the step 3), and stirring at the speed of 70rpm for 1.5 hours to obtain a composite material for later use;
5) injecting the composite material obtained in the step 4) into a cabinet mould through an extruder, carrying out hot press molding, wherein the hot press strength is 1.2MPa, the hot press time is 25 minutes, and then carrying out water cooling treatment on the mould, wherein the water cooling temperature is 35 ℃, and the water cooling time is 15 minutes to obtain a molded cabinet;
6) polishing the molded cabinet body prepared in the step 5), and then coating a layer of varnish on the outer surface of the molded cabinet body.
Examples of the experiments
Subject: the cabinet body manufactured by adopting the composite material of the invention in the embodiment 1 is used as an experimental group, the electric cabinet body of the Yi Hu YH002 on the market is used as a first contrast group, and the western house KYN28A electric cabinet body on the market is used as a second contrast group.
The experimental requirements are as follows: and respectively testing the mechanical property, the flame retardant property and the insulating property of the three groups of cabinet bodies, and respectively recording the experimental conditions of the three groups of cabinet bodies.
The experimental standard is as follows: the heat distortion temperature test is according to the ASTM/D648 standard; the flame retardant rating test is according to UL-94 standard; the insulation resistance test is referred to JISC3005 standard.
The specific results are shown in the following table:
TABLE 1
By combining the above table and comparing the results obtained by the same experimental method of the three groups of electric cabinet bodies, the cabinet body made of the composite material has the advantages of high impact toughness, high thermal deformation temperature and flame retardant grade and good insulation resistance performance.
The technical effects of the invention are mainly reflected in the following aspects: due to the arrangement of the conical top cover, rainwater can flow to the ground along the direction of the top cover, and electric equipment in the cabinet body cannot be damaged; because the cabinet body is internally provided with a water passing pipe and a temperature sensor, the top cover is internally provided with a motor and a water pump, the two ends of the lower part of the base are provided with a water inlet pipe and a water outlet pipe, and the two ends of the water passing pipe are connected with the water inlet pipe and the water outlet pipe; the cabinet body is made of a special composite material, the composite material adopts ABS resin and methyl vinyl silicone rubber as main raw materials, glass fiber, barium sulfate powder, boron fiber, quartz sand, hollow microspheres, perlite, iron black powder and nano magnesium oxide which can increase the strength of the cabinet body are adopted as fillers, ethylene glycol monomethyl ether is adopted as a solvent, paraffin hydrocarbon oil and trihydroxyethyl isocyanurate which are used as plasticizers are added, dicyclopentadiene and pentaerythritol which have good insulating and flame-retardant effects and a chlorophyll copper acid which is a colorant with high stability are added, and the cabinet body is aging-resistant and high in strength and has good insulating and flame-retardant effects through a specific manufacturing process of glue making, ball milling, mixed melting, feeding, mold entering, forming, cooling, polishing and paint brushing.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (9)
1. An electric power metering cabinet comprises a cabinet body, a cabinet door, a base and a top cover, wherein the cabinet door is arranged on one side of the cabinet body and movably connected with the cabinet body through a hinge; the method is characterized in that: the improved cabinet is characterized in that water pipes are arranged in the cavity of the cabinet body and the cavity of the base, a water inlet pipe is arranged on one side of the bottom end of the base, a water outlet pipe is arranged on the other side of the bottom end of the base, two ends of the water pipes are respectively connected with the water inlet pipe and the water outlet pipe, heat dissipation holes are formed in the back of the cabinet body, a partition plate is arranged in the cabinet body, an exhaust fan is arranged on the lower surface inside the base.
2. The power metering cabinet of claim 1, wherein: the cabinet body and the base are integrally formed, and the partition board and the cabinet body are integrally formed.
3. The power metering cabinet of claim 2, wherein: a temperature sensor is also arranged in the cabinet body.
4. The power metering cabinet of claim 3, wherein: the other ends of the water inlet pipe and the water outlet pipe are provided with control switches.
5. The power metering cabinet of claim 4, wherein: the top cap is the toper setting, the bottom of top cap passes through bolt fixed connection with the top of the cabinet body.
6. The power metering cabinet of claim 5, wherein: the cabinet door is provided with an observation window, the observation window is made of toughened glass, and a switch handle is arranged in the middle of one side of the cabinet door, which is far away from the cabinet body and is movably connected with the cabinet body.
7. The power metering cabinet of claim 6, wherein: the top cover is hollow, and a motor and a water pump are arranged in the top cover.
8. The power metering cabinet of claim 7, wherein: the cabinet body is made of a composite material with good insulating and flame-retardant effects.
9. The power metering cabinet of claim 8, wherein: the composite material is prepared from the following raw materials in parts by weight: 30-40 parts of ABS resin, 10-15 parts of glass fiber, 8-10 parts of methyl vinyl silicone rubber, 6-8 parts of barium sulfate powder, 1-3 parts of paraffin hydrocarbon oil, 2-4 parts of nano magnesium oxide, 1-3 parts of dicyclopentadiene, 2-3 parts of trihydroxyethyl isocyanurate, 1-2 parts of pentaerythritol, 3-5 parts of copper chlorophyllin, 2-4 parts of boron fiber, 5-7 parts of quartz sand, 1-2 parts of hollow microspheres, 9-11 parts of perlite, 3-5 parts of iron black powder and 40-50 parts of ethylene glycol monomethyl ether.
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