CN113563706A - Material for electric fittings and application thereof - Google Patents

Material for electric fittings and application thereof Download PDF

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Publication number
CN113563706A
CN113563706A CN202110843033.2A CN202110843033A CN113563706A CN 113563706 A CN113563706 A CN 113563706A CN 202110843033 A CN202110843033 A CN 202110843033A CN 113563706 A CN113563706 A CN 113563706A
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percent
electrical
box cover
end cover
cover
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袁南冰
范守修
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Shengzhou Xubang Adhesive Technology Co ltd
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Shengzhou Xubang Adhesive Technology Co ltd
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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
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • 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
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The application provides a material for electric accessories and application thereof, belonging to the technical field of organic high molecular compounds. Is formed by integral injection molding of composite materials. With this application electrical accessories as electrical control box, electrical machine shell isoelectrical components and parts, have advantages such as waterproof, anticorrosive, resistant oily, high temperature resistant, insulating, fire-retardant, environmental protection.

Description

Material for electric fittings and application thereof
Technical Field
The application relates to a material for electric accessories and application thereof, belonging to the technical field of organic high molecular compounds.
Background
The unsaturated resin is a high molecular compound containing unsaturated double bonds and generated by the polycondensation reaction of dibasic acid and dihydric alcohol, and the compound has better heat resistance, tensile strength, compressive strength and bending strength, and is a high molecular material with wider application. With the continuous development of industrial technology, the demand of lightweight performance of materials in various fields is gradually increased. In order to expand the application, aramid fibers and the like are mostly adopted to modify the performance of the composite material so as to obtain a composite material with higher properties.
Taking Bulk Molding Compound (BMC) as an example, the main raw material is formed by thoroughly mixing chopped Glass Fiber (GF), unsaturated polyester resin (UP), filler (MD), and various additives. The BMC has a wide range of applications, including:
low voltage class of electrical components, such as: isolating switch, air switch, panel electric meter shell, insulator, insulating boot, arc extinguishing cover, closed lead plate, etc.
Second, automotive parts, such as: japanese car light reflectors, car igniters, separation discs, etc.;
third, the motor parts, such as: the air conditioner comprises an air conditioner motor, a motor shaft, a coil framework, an electric component and a pneumatic component;
fourth, daily products, such as: microwave tableware, and electric iron shell.
Although the existing unsaturated resin composite material has excellent light weight performance, the heat resistance of the material is not ideal, and electrical parts can generate a large amount of heat in the using process, so that the common unsaturated resin composite material is difficult to be applied to the electrification industry; in particular, the defects of strength, color difference and insulation cause the problems of product fracture, color variation in outdoor installation, low resistance and the like when the cable is applied to the electrification field.
Taking a motor as an example, a common motor housing generally adopts the following two structures:
1. stainless steel welding and casting shell: the split type structure is adopted, and the coil, the rotor, the stator and other electrical components are arranged in the shell. Although the stainless steel casting realizes the protection of the core elements inside the motor, the stainless steel can conduct electricity, and when the stator, the rotor, the coil and the like are installed in the shell, not only safety holes need to be reserved to prevent the phenomena of electric leakage and the like, but also sufficient insulation work needs to be done so as to be used.
2. Plastic packaging and stainless steel mixed shell: the middle end cover is made of iron or stainless steel, then the end cover and the motor are used as bases, plastic package materials (the structure can be kept stable only at the temperature below 80 ℃) are injected on the middle end cover, and plastic package is carried out to form an integrated structure.
Disclosure of Invention
In view of this, the present application first provides a material for electrical accessories, and the material not only can realize waterproof, anticorrosive, resistant oil, high temperature resistant, but also can realize insulating, fire-retardant effect.
Specifically, the method is realized through the following scheme:
a material for electrical accessories, the material having the following properties:
Figure BDA0003179576970000021
when the electric accessory made of the electric accessory material with the properties is processed, the composite can be directly used as a raw material to form the electric accessory through one-step injection molding. The coil, the stator and the rotor can be in direct contact with the formed electrical accessory without considering the problem of electric conduction, so that the compactness and the safety of the structure of the electrical accessory are improved; the formed electrical accessories are made of resin materials, are light in weight, good in heat resistance and high in strength, can adapt to various severe environments such as conductive heating and high-temperature exposure, compares the heat intolerance of conventional plastics, and widens the resin materials to the electrical field.
Further, as preferable:
the 100Hz dielectric loss factor of the composite material is 1.3 multiplied by 10-2-1.8×10-2The tracking resistance index meets the PTI 600, and the arc resistance index meets the requirement of 200 s. The arrangement of the attribute further strengthens the capability of the electrical accessory against common conducting and discharging phenomena in the electrical field, prolongs the service life of the electrical accessory and avoids frequently replacing the electrical accessory.
The composite material has V-0 level combustibility to improve its suitability for electric and thermal environments.
The density of the composite material is 1.7-2.0g/cm2High performance and low weight are realized, and the applicability is improved.
The composite material has water absorption of 0.05-0.20%, and can be used in natural open air environment and damp-heat environment.
The composite material meets the thermal shrinkage performance by ball pressure test of 0.7-0.9mm under the condition of 125 +/-1/60 min.
The material for the electric fittings can be used for electric fittings such as an electric control box, a motor shell and the like.
When the electrical fittings are electrical control boxes, each electrical control box comprises an upper box cover and a lower box cover, the upper box cover and the lower box cover are respectively a positive component and a negative component which are integrally formed by composite materials in a pressing and injection molding mode, the lower box cover is fixed at an installation part, the upper box cover is installed on the lower box cover in a buckling mode, and a containing controller installation cavity is formed between the upper box cover and the lower box cover. Preferably:
the lower box cover is provided with a wire passing groove, and the controller is connected with a power supply or a signal source through the wire passing groove.
And the lower box cover and/or the upper box cover are/is provided with sealing edges for sealing the upper box cover and the lower box cover.
The upper box cover is provided with a first connecting end, the lower box cover is provided with a second connecting end, and the first connecting end is fixed with the second connecting end, so that the upper box cover and the lower box cover are fixed. More preferably: the first connecting end is connected with the side wall of the upper box cover through the triangular plate, the second connecting end is connected with the side wall of the lower box cover through the arc-shaped edge with gradually changed width, and the triangular plate and the arc-shaped edge achieve strengthening of connection fastness.
When electrical accessories is motor housing, motor housing includes front end housing and rear end cap, and front end housing and rear end cap use combined material as the raw materials, moulds plastics out two members of a positive anti-cooperation practicality: the front end cover is used as a rotor end, the rear end cover is used as a stator end, the front end cover and the rear end cover are used in a set, the front end cover is buckled on the rear end cover, a cavity for accommodating a motor (a rotor, a stator, a coil and the like) is formed between the front end cover and the rear end cover, the front end cover is provided with a rotor shaft hole allowing the rotor to be inserted and rotated, the rear end cover is provided with a stator groove for accommodating the stator and an accommodating cavity for accommodating the coil, and the stator groove and the rotor shaft hole are arranged coaxially. The formed motor shell can be in direct contact with the copper wire coil, and compared with an iron shell which needs to leave a gap to prevent electric leakage, the structure is more compact. And the front end cover and the rear end cover are of split type resin structures, and are different from the traditional injection molding integrated end socket and end head structure, so that the use is more convenient. Preferably:
the rear end cover sets up the stator and holds the chamber, and the stator holds the chamber middle part and sets up the stator groove, and the stator groove does not run through the structure of rear end cover, and the front end cover forms the rotor towards the one end opening of rear end cover and holds the chamber, and the rotor holds the chamber outer wall and the stator and holds the chamber width unanimous, and the rotor holds one side width shrink formation boss of chamber far away from the rear end cover, and the boss middle part is interior (by the front end cover to the rear end cover direction) concave formation recess, and the rotor shaft hole runs through to set up in recess center department. The rotor holds the chamber and all can set up the lantern ring in the stator holds the chamber, settles the coil and holds between the chamber outer wall and the stator holds the chamber outer wall at the lantern ring and rotor to hold the chamber or the rotor holds and set up the line groove on the chamber outer wall, realize being connected of coil and power, stator, rotor settle and hold the intracavity in the lantern ring.
The rotor holds the chamber outer wall, the stator holds the chamber outer wall and outwards extends respectively and forms the sealed limit, realizes the leakproofness of front end housing and rear end cap installation.
The formula of the material for the electrical fittings comprises the following components in percentage by weight:
Figure BDA0003179576970000041
according to the scheme, unsaturated resin is used as a basic raw material, glass fiber is added to increase the strength of the product, and aluminum hydroxide and calcium carbonate are added as main components to achieve a flame retardant effect; and a release agent and a curing agent are added, so that the functions of leveling the whole appearance and quick curing are perfected. The components can realize the effects of better strength, flame retardance, quick forming, wide alternative field and the like by matching, so as to solve the defects of electroplating processing, electric leakage and abnormal sound existing when the existing BMC material is applied in the electrical field.
Preferably:
the polymer composite for electric use comprises the following components in percentage by weight:
Figure BDA0003179576970000051
in the scheme, the method comprises the following steps:
the unsaturated resin is any one of mould pressing type unsaturated polyester resin and injection type unsaturated resin (BMC resin/SMC resin). And the fastness is improved by matching with calcium carbonate, glass fiber and a curing agent.
The mold release agent is zinc stearate, so that the surface smoothness of an injection-molded part is higher, and the formation of structural deviation is reduced.
The curing agent is any one of tert-butyl peroxy-2-ethyl acetate and tert-butyl peroxybenzoate.
The material for the electrical accessories can be prepared into electrical instruments/accessories such as an electrical control box, a motor shell, an end cover and the like by adopting the following preparation processes:
the method comprises the steps of taking unsaturated resin, aluminum hydroxide, calcium carbonate, a release agent and a curing agent as raw materials, metering, adding glass fiber, uniformly stirring, mixing, and integrally pressing to form to obtain the electric accessory with the corresponding structure.
Or,
the electric fittings with corresponding structures are obtained by taking unsaturated resin, aluminum hydroxide, calcium carbonate, glass fiber, a release agent and a curing agent as raw materials, directly mixing after metering, and integrally pressing and forming.
Drawings
Fig. 1 is a schematic perspective view of an electrical control box according to the present application;
FIG. 2 is a schematic view of the inner side of the lower case cover in FIG. 1;
FIG. 3 is a schematic view of the outer structure of the lower case cover in FIG. 1;
fig. 4 is a schematic perspective view of a motor housing according to the present application;
fig. 5 is a schematic diagram of a disassembled structure of a motor housing in the present application.
Reference numbers in the figures: 1a, an upper box cover; 11a, a bolt hole I; a triangular plate; 112a, connecting end one; 12a, sealing the first edge; 2a, a lower box cover; 21a, a bolt hole II; 211a arc surface edge; 212. a second connecting end; 22 a; a first wire passing groove; 23a, fixing a plate; 24a, a containing groove; 25a. hanging corner; 26. a vacant slot; a fixed post; 1b, a front end cover; 11b, a bolt hole III; 111b arc surface pillars; 12b, sealing the second edge; 13b, a first boss; 14b. rotor shaft hole; 15b, a first groove; 2b, rear end cover; 21b, bolt hole four; 22 b; a second wire passing groove; 23b. a containing cavity; stator slots 24 b; 25b. a collar.
Detailed Description
Example 1: formula of material for electric fittings
The formulation of the electrical fitting provided in this example is shown in table 1.
TABLE 1 table of preferred case Components
Name (R) Composition 1 Composition 2 Composition 3
Unsaturated resin 23％ 25％ 23％
Aluminum hydroxide 46％ 45％ 43％
Calcium carbonate 20％ 20％ 23％
Glass fiber 8％ 8％ 8％
Release agent 2％ 1％ 2％
Curing agent 1％ 1％ 1％
The materials take unsaturated resin as a basic raw material, a curing agent, calcium carbonate and glass fiber are added to improve the fastness of the resin, and aluminum hydroxide is added to the components to be matched with the components such as the glass fiber and the resin to achieve the fireproof effect; the combination of the components gives the composite good corrosion resistance.
The above materials can be processed by two routes:
route 1: raw materials (unsaturated resin, aluminum hydroxide, calcium carbonate, glass fiber, mold release agent, curing agent) → metering → kneading → packaging → metal detection → metering → integral press molding;
route 2: raw materials (unsaturated resin, aluminum hydroxide, calcium carbonate, release agent, curing agent) → metering → adding glass fiber, stirring → kneading → packaging → metal detection → metering → integral press molding.
In the two above paths:
the product of the path 1 is common flame retardant and common products with strength requirements, and is used for a motor shell, an electromagnetic valve and a coil framework.
The product in the path 2 has high flame retardance and strength and good fluidity, and is used for insulators, automobile accessories, distribution boards, electric meter box shells and electric iron shells.
The materials formed by the formula provided in the table 1 and finished products formed by pressing the materials are tested, the test standard of the ball pressure test is GB/T5169.21-2006, and the detection bases of other items are as follows: GB/T23641-2009 Electrical fiber reinforced unsaturated polyester molding compound (SMC/BMC) shows that: composition 1 in Table 1 the specific gravity of the material prepared was 1.87g/cm3The proportion of the composition 2 is 1.89g/cm3The proportion of the material prepared according to the composition 3 is 1.92g/cm3The flame retardancy of the three materials reaches V-0 grade, and the composition 2 is taken as an example, and the test results are summarized in Table 2.
TABLE 2 summary of properties of the electrical part material
Figure BDA0003179576970000071
Figure BDA0003179576970000081
The following description will be made by taking the electric control box and the motor housing as representative electric accessories and adopting the above materials to make the electric accessories.
Example 2: electric control box
Referring to fig. 1, the electrical control box includes an upper box cover 1a and a lower box cover 2a, the upper box cover 1a and the lower box cover 2a are a positive component and a negative component, and are respectively formed by integrally pressing and injection molding the composite material of table 1, referring to fig. 2 and fig. 3, a fixing plate 23a and a vacant groove 26a are disposed on the back side of the lower box cover 2a, a hanging corner 25a is disposed around the vacant groove 26a, the hanging corner 25a and the fixing plate 23a are respectively fixed by bolts or screws, a receiving groove 24a is disposed on one side of the lower box cover 2a facing the upper box cover 1a, a fixing column 27a can be disposed in the middle of the receiving groove 24a, the entire lower box cover 2a is fixed at the mounting position, the upper box cover 1a is mounted on the lower box cover 2a in a buckling manner, and the receiving groove 24a is matched with the hollow structure of the upper box cover 1a to form a cavity for receiving the controller.
As an alternative case: referring to fig. 2, the lower box cover 2a is provided with a first wire passing groove 22a, the first wire passing groove 22a may be provided in plurality to respectively meet the entrance of different lines, and the controller is connected with a power supply or a signal source through the first wire passing groove 22 a.
As an alternative case: referring to fig. 1, the lower case cover 2a and/or the upper case cover 1a are/is provided with a first sealing edge 12a for sealing the upper case cover 1a and the lower case cover 2a.
As an alternative case: with reference to fig. 1 and 2, the upper case cover 1a is provided with a first connection end 112a, the lower case cover 2a is provided with a second connection end 212a, and the first connection end 112a is fixed to the second connection end 212a, so that the upper case cover 1a and the lower case cover 2a are fixed.
Preferably:
the first connecting end 112a is connected with the side wall of the upper box cover 1a through the triangular piece 111a, the second connecting end 212a is provided with the arc-shaped edge 211a with gradually changed width with the side wall of the lower box cover 2a, and the triangular piece 111a and the arc-shaped edge 211a achieve strengthening of connecting firmness of the connecting ends.
The first connecting end 112a is provided with a first bolt hole 11a, the second connecting end 212a is provided with a second bolt hole 21a, and bolts are installed between the first bolt hole 11a and the second bolt hole 21a, so that the upper box cover 1a and the lower box cover 2a are connected.
Example 3: motor casing
With reference to fig. 4 and 5, the motor housing includes a front end cover 1b and a rear end cover 2b, the front end cover 1b and the rear end cover 2b use a composite material as a raw material, and two components are molded in a positive-negative fit manner: the front end cover 1b is used as a rotor end, the rear end cover 2b is used as a stator end, the front end cover 1b and the rear end cover 2b are used in a set, the front end cover 1b is buckled on the rear end cover 2b, a cavity for accommodating a motor (a rotor, a stator, a coil and the like) is formed between the front end cover and the rear end cover, the front end cover 1b is provided with a rotor shaft hole 14b allowing the rotor to be inserted and rotate, the rear end cover 2b is provided with a stator groove 24b for accommodating the stator and an accommodating cavity 23b for accommodating the coil, and the stator groove 24b and the rotor shaft hole 14b are arranged coaxially.
The formed motor shell can be in direct contact with the copper wire coil, and compared with an iron shell which needs to leave a gap to prevent electric leakage, the structure is more compact. And front end housing 1b and rear end housing 2b are split type resin structure, also are different from the integrative head + end structure of traditional moulding plastics, and it is more convenient to use.
As an alternative case: rear end housing 2b sets up (the stator) and holds chamber 23b, (the stator) holds chamber 23b middle part and sets up stator groove 24b, and stator groove 24b does not run through rear end housing 2 b's structure, front end housing 1b forms the rotor towards rear end housing 2 b's one end opening and holds the chamber (not mark in the picture), the rotor holds the chamber outer wall and holds chamber 23b outer wall width unanimous with (the stator), the rotor holds the chamber and keeps away from one side width shrink formation boss 13b of rear end housing 2b, the boss 13b is middle part in (by front end housing 1b to rear end housing 2b direction) the concave recess 15b that forms, rotor shaft hole 14b runs through and sets up in recess 15b center department. The rotor holds the chamber and (stator) and holds and all can set up the lantern ring 25b in the chamber 23b, settle the coil between lantern ring 25b and rotor hold chamber outer wall and (stator) hold chamber 23b outer wall to hold chamber 23b or rotor and hold and set up wire casing two 22b on the chamber outer wall in (stator), realize being connected of coil and power, stator, rotor settle the intracavity that holds in the lantern ring 25b.
As an alternative case: the outer wall of the rotor accommodating cavity and the outer wall of the stator accommodating cavity 23b extend outwards to form two sealing edges 12b respectively, and the sealing performance of the installation of the front end cover 1b and the rear end cover 2b is realized.
Preferably:
the second sealing edge 12b of the front end cover 1b is provided with a third bolt hole 11b, the rear end cover 2b is provided with a fourth bolt hole 21b at a position corresponding to the third bolt hole 11b, and bolts are installed between the third bolt hole 11b and the fourth bolt hole 21b, so that the front end cover 1b and the rear end cover 2b are connected.
And a cambered surface column 111b is arranged between the sealing edge two 12b where the bolt hole three 11b is located and the boss 13b so as to strengthen the connection fastness of the connection part.
The electric appliance control box, the motor shell and the like in the embodiment have the following advantages:
based on the reasonable matching of unsaturated resin, calcium carbonate, curing agent and the like according to the optimal proportion, the formed product has the properties of water resistance, corrosion resistance, oil resistance, high temperature resistance and the like;
insulating: the electric shock accident caused by electric leakage is prevented, and the safety is higher when the electric shock protector is applied to the electric field;
the compound is thermosetting plastic, so that electroplating is not needed in the processing process, the cost is reduced, and the carbon emission is reduced;
the plastic material can replace iron casting, has certain resistance reduction effect on sound and is beneficial to reducing noise;
flame-retardant: reaching national V0 level and above flame retardant level;
sixthly, environment protection: it is in accordance with ROHS and Reach.

Claims (19)

1. A material for electrical accessories, characterized in that it has the following properties:
tensile stress at break: the pressure of the mixture is 20-28MPa,
bending strength: the pressure of the mixture is 40-90MPa,
impact strength of the simply supported beam: 6-8kJ/m2，
Load deformation temperature: is more than 240 ℃ and is not easy to be damaged,
coefficient of linear thermal expansion at 35-50 ℃: 10-15, 100Hz
Relative permittivity: 3.8-5.3,
insulation resistance: 1.1X 1014-2.0×1014。
2. The material for electrical accessories according to claim 1, wherein the composite material further satisfies the following requirements:
100Hz dielectric loss factor: 1.3X 10-2-1.8×10-2，
Tracking resistance index: in the case of the PTI 600,
arc resistance: 155-.
3. The material for electrical accessories according to claim 1, wherein the composite material meets the following requirements: the combustibility is V-0 grade.
4. The electrical accessory material of claim 1, wherein the electrical accessory material is selected from the group consisting ofThus, the composite material meets the following requirements: the density is 1.7-2.0g/cm2。
5. The material for electrical accessories according to claim 1, wherein the composite material meets the following requirements: the water absorption is 0.05-0.20%.
6. An electrical accessory according to claim 1, wherein the composite material meets the following requirements: the ball pressure test under the condition of 125 +/-1/60 min meets the requirement of 0.7-0.9 mm.
7. An electrical component made of the material for electrical components of claim 1, wherein: the electrical accessory is electrical control box, including last lid, lower lid, goes up lid, lower lid and is pressed the shaping by combined material an organic whole respectively, lower lid is fixed in installation position department, goes up the lid lock and installs on lower lid, forms between the two and holds controller arrangement cavity.
8. An electrical accessory as claimed in claim 7, wherein: the lower box cover is provided with a wire passing groove, and the controller is connected with a power supply or a signal source through the wire passing groove.
9. An electrical accessory as claimed in claim 7, wherein: and the lower box cover and/or the upper box cover are/is provided with sealing edges for sealing the upper box cover and the lower box cover.
10. An electrical accessory as claimed in claim 7, wherein: the upper box cover is provided with a first connecting end, the lower box cover is provided with a second connecting end, and the first connecting end is fixed with the second connecting end, so that the upper box cover and the lower box cover are fixed.
11. An electrical accessory as claimed in claim 10, wherein: the first connecting end is connected with the side wall of the upper box cover through the triangular plate, the second connecting end is connected with the side wall of the lower box cover through the arc-shaped edge with gradually changed width, and the triangular plate and the arc-shaped edge achieve strengthening of connection fastness.
12. An electrical component made of the material for electrical components of claim 1, wherein: the electric accessory is a motor shell and comprises a front end cover and a rear end cover, the front end cover is buckled on the rear end cover, a cavity for accommodating the motor is formed between the front end cover and the rear end cover, the front end cover is provided with a rotor shaft hole allowing a rotor to be inserted and rotated, the rear end cover is provided with a stator groove for accommodating the stator and an accommodating cavity for accommodating the coil, and the stator groove and the rotor shaft hole are coaxially arranged.
13. An electrical accessory as claimed in claim 12, wherein: a boss is arranged at one end, facing the rear end cover, of the front end cover and matched with the rear end cover to realize the arrangement of the coil; the other end of the front end cover is provided with a groove, and a rotor shaft hole penetrates through the center of the groove.
14. The formulation of the electrical fitting material of claim 1, comprising the following components in weight percent:
18 to 28 percent of unsaturated resin,
35 to 65 percent of aluminum hydroxide,
10 to 40 percent of calcium carbonate,
5 to 15 percent of glass fiber,
1 to 8 percent of release agent,
0.5 to 8 percent of curing agent.
15. The electrical accessory material formulation of claim 14, comprising the following components in weight percent:
20 to 25 percent of unsaturated resin,
40 to 52 percent of aluminum hydroxide,
20 to 23 percent of calcium carbonate,
6 to 10 percent of glass fiber,
1 to 5 percent of release agent,
0.5 to 2 percent of curing agent.
16. The electrical accessory material formulation of claim 14, comprising the following components in weight percent:
25 percent of unsaturated resin,
45 percent of aluminum hydroxide,
20 percent of calcium carbonate,
8 percent of glass fiber,
1 percent of release agent,
1% of curing agent.
17. The formulation of an electrical accessory material of claim 14, wherein: the unsaturated resin is any one of mould pressing type unsaturated polyester resin and injection type unsaturated resin.
18. The formulation of an electrical accessory material of claim 14, wherein: the release agent is zinc stearate.
19. The formulation of an electrical accessory material of claim 14, wherein: the curing agent is any one of tert-butyl peroxy-2-ethyl acetate and tert-butyl peroxybenzoate.
CN202110843033.2A 2021-07-26 2021-07-26 Material for electric fittings and application thereof Pending CN113563706A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110144102A (en) * 2019-04-30 2019-08-20 绍兴金创意塑化电器有限公司 A kind of BMC material and production method of outdoor UV resistant
CN110903622A (en) * 2019-11-05 2020-03-24 珠海格力绿色再生资源有限公司 BMC composite material for air conditioner electrical appliance box and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110144102A (en) * 2019-04-30 2019-08-20 绍兴金创意塑化电器有限公司 A kind of BMC material and production method of outdoor UV resistant
CN110903622A (en) * 2019-11-05 2020-03-24 珠海格力绿色再生资源有限公司 BMC composite material for air conditioner electrical appliance box and preparation method thereof

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