CN112489907B - Heat radiator for fire-suppression explosion-proof zinc oxide piezoresistor - Google Patents
Heat radiator for fire-suppression explosion-proof zinc oxide piezoresistor Download PDFInfo
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- CN112489907B CN112489907B CN202011389516.1A CN202011389516A CN112489907B CN 112489907 B CN112489907 B CN 112489907B CN 202011389516 A CN202011389516 A CN 202011389516A CN 112489907 B CN112489907 B CN 112489907B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/032—Housing; Enclosing; Embedding; Filling the housing or enclosure plural layers surrounding the resistive element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
- H01C1/084—Cooling, heating or ventilating arrangements using self-cooling, e.g. fins, heat sinks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
- H01C7/112—ZnO type
Abstract
The invention discloses a heat radiator for a fire-suppression explosion-proof zinc oxide piezoresistor, which comprises a first explosion-proof shell, a positioning groove, a positioning column, a second explosion-proof shell, a U-shaped frame groove, a limiting block, a fixing component, a heat-dissipation groove, a fire-suppression flame-retardant mesh enclosure, a fire-suppression flame-retardant mesh plate, a first insulating inner shell, a second insulating inner shell, a strip-shaped hole, a heat-conducting silica gel strip, a first heat-conducting silica gel sleeve, a second heat-conducting silica gel sleeve, a sleeve hole, an explosion-proof pin sleeve, a ring groove and a limiting ring, wherein the first explosion-proof shell is arranged in the first heat-insulating inner shell; the invention optimizes the internal structure of the radiator, improves the radiating efficiency of the radiator, has the functions of fire suppression and explosion prevention, thereby expanding the application range of the radiator, meeting the use requirement of severe environment, being difficult to be ignited by external open fire, eliminating the potential safety hazard of the piezoresistor, improving the working reliability of the piezoresistor, being convenient for maintenance and replacement, reducing the labor intensity of personnel and saving the maintenance cost of the piezoresistor.
Description
Technical Field
The invention relates to the technical field of radiators, in particular to a flame-retardant and explosion-proof radiator for a zinc oxide piezoresistor.
Background
The voltage-limiting resistor is a voltage-limiting element sensitive to voltage change, and is characterized in that at a specified temperature, when the voltage exceeds a certain critical value, the resistance value of the voltage-limiting element is sharply reduced, the current passing through the voltage-limiting element is sharply increased, the voltage and the current do not have a linear relation, and the voltage-limiting element has excellent nonlinear volt-ampere characteristics. Therefore, piezoresistors are also known as non-linear varistors. At present, the heat dissipation efficiency of the piezoresistor is improved mainly by additionally arranging a radiator on the piezoresistor in the industry, the surface temperature of the piezoresistor is ensured not to exceed the specified limit value, and the normal operation of the piezoresistor is ensured.
However, the conventional heat sink for the varistor mostly has the following problems: firstly, the varistor does not have a fire suppression function, and is very easy to be ignited by external open fire, so that electronic elements are subjected to chain explosion, serious safety accidents are caused, and the working reliability of the varistor is reduced; secondly, the explosion-proof function is not provided, the safe operation in the environment filled with explosive gas mixture cannot be realized, the application range is limited, and the application requirement in severe environment is difficult to meet; thirdly, the installation and the disassembly are inconvenient, the maintenance and the replacement are difficult, the labor intensity of personnel is improved, and the maintenance cost of the piezoresistor is increased.
Disclosure of Invention
The invention aims to provide a heat radiator for a flame-suppression explosion-proof zinc oxide piezoresistor, which solves the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: a heat radiator for a fire-suppression and explosion-proof zinc oxide piezoresistor comprises a first explosion-proof shell, a positioning groove, a positioning column, a second explosion-proof shell, a U-shaped frame groove, a limiting block, a fixing component, a heat dissipation groove, a fire-suppression and flame-retardant net cover, a fire-suppression and flame-retardant net plate, a first heat-insulation inner shell, a second heat-insulation inner shell, a strip-shaped hole, a heat-conduction silica gel strip, a first heat-conduction silica gel sleeve, a second heat-conduction silica gel sleeve, a sleeve hole, an explosion-proof pin sleeve, a ring groove and a limiting ring, wherein the outer edge of the bottom of the first explosion-proof shell is buckled with the outer edge of the top of the second explosion-proof shell through the positioning groove and the positioning column, fixing components are fixedly sleeved on two sides of the first explosion-proof shell and the second explosion-proof shell through the U-shaped frame groove, the limiting groove and the limiting block, the fixing components are composed of a U-shaped pressing frame, a U-shaped supporting frame, a tongue-groove, a tongue block, a pressing screw hole, a pressing screw, a fixing plate, a rubber cushion plate and a rubber cushion plate, the two sides of the first explosion-proof shell and the second explosion-proof shell are respectively sleeved with a U-shaped pressing frame and a U-shaped supporting frame through a U-shaped frame groove, a limiting groove and a limiting block, the two sides of the bottom of the U-shaped pressing frame are fixedly connected with the two sides of the top of the U-shaped supporting frame through a mortise, a tenon block, a pressing screw hole and a pressing screw, the bottom of the U-shaped supporting frame is fixedly connected with the two sides of the top of a fixed plate respectively, a rubber cushion plate is arranged at the bottom of the fixed plate, and a plurality of fixing holes are uniformly formed in the rubber cushion plate and the outer edge of the top of the fixed plate; a plurality of heat dissipation grooves are symmetrically formed in the front face and the back face of the first explosion-proof shell and the back face of the second explosion-proof shell, the first explosion-proof shell and the second explosion-proof shell are respectively wrapped at the top and the bottom of the fire-suppression flame-retardant mesh enclosure, the fire-suppression flame-retardant mesh enclosure is respectively embedded with a fire-suppression flame-retardant mesh plate, a first heat-insulation inner shell and a second heat-insulation inner shell, the first heat-conduction silica gel sleeve and the second heat-conduction silica gel sleeve are respectively embedded in the first heat-insulation inner shell and the second heat-insulation inner shell through strip-shaped holes and heat-conduction silica gel strips, and a zinc oxide piezoresistor is fixedly embedded in the first heat-conduction silica gel sleeve and the second heat-conduction silica gel sleeve through trepanning, an explosion-proof pin sleeve, an annular groove and a limiting ring.
According to the technical scheme, the positioning grooves are respectively formed in four sides of the top of the second explosion-proof shell, positioning columns are embedded in the positioning grooves, and the positioning columns are respectively arranged on four sides of the bottom of the first explosion-proof shell.
According to the technical scheme, the U-shaped frame grooves are respectively formed in the two sides of the first explosion-proof shell and the two sides of the second explosion-proof shell, and the U-shaped pressing frame and the U-shaped supporting frame are respectively embedded in the U-shaped frame grooves.
According to the technical scheme, the limiting grooves are respectively formed in the centers of the bottom of the U-shaped compression frame and the top of the U-shaped support frame, the limiting blocks are embedded in the limiting grooves, and the limiting blocks are arranged at the centers of the bottoms of the U-shaped frame grooves.
According to the technical scheme, the mortises are respectively arranged on two sides of the top of the U-shaped supporting frame, the tenon blocks are embedded in the mortises and are respectively arranged on two sides of the bottom of the U-shaped pressing frame.
According to the technical scheme, the compression screw holes are respectively formed in the top ends of the front surface and the back surface of the U-shaped supporting frame and the center of the side face of the tenon block, and compression screws are embedded in the compression screw holes.
According to the technical scheme, the strip-shaped holes are respectively formed in the four corners of the front surface and the back surface of the fire-retardant mesh enclosure, the two sides of the top end of the front surface and the back surface of the first heat-insulation inner shell and the two sides of the bottom end of the front surface and the back surface of the second heat-insulation inner shell, the heat-conducting silicon rubber strips are embedded in the strip-shaped holes, and the heat-conducting silicon rubber strips are respectively and uniformly arranged at the two corners of the front surface and the back surface of the first heat-conducting silicon rubber sleeve and the two corners of the front surface and the back surface of the second heat-conducting silicon rubber sleeve.
According to the technical scheme, the trepanning is respectively arranged on two corners of the bottom of the first explosion-proof shell, two corners of the top of the second explosion-proof shell, two sides of the center of the side surface of the fire-suppression flame-retardant screen plate, two corners of the outer edge of the bottom of the first heat-insulation inner shell and two corners of the outer edge of the top of the second heat-insulation inner shell, and the explosion-proof pin sleeves are embedded in the trepanning.
According to the technical scheme, the annular groove is respectively arranged at two corners of the inner edge of the bottom of the first heat-insulation inner shell and two corners of the inner edge of the top of the second heat-insulation inner shell, the limiting ring is embedded inside the annular groove, the limiting ring is arranged at one end of the explosion-proof pin sleeve, and the limiting ring and the explosion-proof pin sleeve are both sleeved on pins of the zinc oxide piezoresistor.
Compared with the prior art, the invention has the following beneficial effects: the fire-suppression explosion-proof radiator for the zinc oxide piezoresistor replaces the traditional integral structure by a split structure, thereby optimizing the internal structure of the radiator, improving the heat dissipation efficiency of the radiator, having the functions of fire suppression and explosion prevention, being capable of safely operating in an environment filled with explosive gas mixture, expanding the application range of the radiator, meeting the use requirement of severe environment, being difficult to ignite by external open fire, eliminating the potential safety hazard of the piezoresistor and improving the working reliability of the piezoresistor; the fixing assembly is additionally arranged, so that the radiator can be conveniently installed and detached by personnel, the maintenance and the replacement are convenient, the labor intensity of the personnel is reduced, and the maintenance cost of the piezoresistor is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the overall construction of the present invention;
FIG. 2 is a front cross-sectional view of the overall construction of the present invention;
FIG. 3 is a top plan view of the overall structure of the present invention;
FIG. 4 is a top cross-sectional view of the overall structure of the present invention;
FIG. 5 is a perspective view of a second explosion proof enclosure of the present invention;
FIG. 6 is a perspective view of a second insulated inner shell of the present invention;
FIG. 7 is an exploded view of the fixing assembly of the present invention;
FIG. 8 is a perspective view of a U-shaped support frame of the present invention;
FIG. 9 is a perspective view of an explosion proof pin cover of the present invention;
in the figure: 1. a first explosion proof housing; 2. positioning a groove; 3. a positioning column; 4. a second explosion proof housing; 5. a U-shaped frame groove; 6. a limiting groove; 7. a limiting block; 8. a fixing assembly; 81. a U-shaped pressing frame; 82. a U-shaped supporting frame; 83. mortises; 84. a tenon block; 85. pressing the screw hole; 86. a compression screw; 87. a fixing plate; 88. a rubber pad; 89. a fixing hole; 9. a heat dissipation groove; 10. a fire-inhibiting flame-retardant net cover; 11. a fire-inhibiting flame-retardant net plate; 12. a first thermally insulating inner shell; 13. a second thermally insulated inner shell; 14. a strip-shaped hole; 15. a heat-conducting silica gel strip; 16. a first heat-conducting silica gel sleeve; 17. a second heat-conducting silica gel sleeve; 18. trepanning; 19. an explosion-proof pin sleeve; 20. a ring groove; 21. a limit ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a heat radiator for a fire-suppression explosion-proof zinc oxide piezoresistor comprises a first explosion-proof outer shell 1, a positioning groove 2, positioning columns 3, a second explosion-proof outer shell 4, a U-shaped frame groove 5, a limiting groove 6, a limiting block 7, a fixing component 8, a heat dissipation groove 9, a fire-suppression flame-retardant mesh enclosure 10, a fire-suppression flame-retardant mesh plate 11, a first heat-insulation inner shell 12, a second heat-insulation inner shell 13, strip-shaped holes 14, a heat-conducting silica gel strip 15, a first heat-conducting silica gel sleeve 16, a second heat-conducting silica gel sleeve 17, sleeve holes 18, an explosion-proof pin sleeve 19, an annular groove 20 and a limiting ring 21, wherein the outer edge of the bottom of the first explosion-proof outer shell 1 is buckled with the outer edge of the top of the second explosion-proof outer shell 4 through the positioning groove 2 and the positioning columns 3, the positioning grooves 2 are respectively arranged on four sides of the top of the second explosion-proof outer shell 4, the positioning columns 3 are respectively embedded in the positioning groove 2, the two sides of the first explosion-proof shell 1 and the second explosion-proof shell 4 are respectively fixedly sleeved with a fixing component 8 through a U-shaped frame groove 5, a limiting groove 6 and a limiting block 7, the U-shaped frame grooves 5 are respectively arranged on the two sides of the first explosion-proof shell 1 and the second explosion-proof shell 4, the U-shaped pressing frame 81 and the U-shaped supporting frame 82 are respectively embedded in the U-shaped frame grooves 5, the limiting grooves 6 are respectively arranged at the bottoms of the U-shaped pressing frame 81 and the top of the U-shaped supporting frame 82, the limiting block 7 is embedded in the limiting groove 6, the limiting block 7 is arranged at the bottom of the U-shaped frame grooves 5, a plurality of radiating grooves 9 are symmetrically arranged on the front side and the back side of the first explosion-proof shell 1 and the second explosion-proof shell 4, the first explosion-proof shell 1 and the second explosion-proof shell 4 are respectively coated at the top and the bottom of the flame-retardant mesh enclosure 10, and the flame-retardant mesh plate 11, the flame-retardant mesh plate 11 and the limiting plate 7 are respectively embedded in the flame-retardant mesh enclosure 10, A first heat-conducting silica gel sleeve 16 and a second heat-conducting silica gel sleeve 17 are respectively embedded in the first heat-insulating inner shell 12 and the second heat-insulating inner shell 13 through a strip-shaped hole 14 and a heat-conducting silica gel strip 15, the strip-shaped holes 14 are respectively arranged at four corners of the front surface and the back surface of the fire-retardant mesh enclosure 10, two sides of the top end of the front surface and the back surface of the first heat-insulating inner shell 12 and two sides of the bottom end of the front surface and the back surface of the second heat-insulating inner shell 13, the heat-conducting silica gel strip 15 is embedded in the strip-shaped hole 14, the heat-conducting silica gel strips 15 are respectively and uniformly arranged at two corners of the front surface and the back surface of the first heat-conducting silica gel sleeve 16 and two corners of the front surface and the back surface of the second heat-conducting silica gel sleeve 17, zinc oxide piezoresistors are respectively embedded in the first heat-conducting silica gel sleeve 16 and the second heat-conducting silica gel sleeve 17 through sleeve holes 18, an explosion-proof pin sleeve 19, a ring groove 20 and a limiting ring 21, and zinc oxide piezoresistors are respectively arranged at two corners of the bottom of the first explosion-proof outer shell 1, The two corners at the top of the second explosion-proof outer shell 4, the two sides at the side center of the fire-suppressing and flame-retardant screen plate 11, the two corners at the bottom outer edge of the first heat-insulating inner shell 12 and the two corners at the top outer edge of the second heat-insulating inner shell 13, and the explosion-proof pin sleeves 19 are embedded in the sleeve holes 18, the ring grooves 20 are respectively arranged at the two corners at the bottom inner edge of the first heat-insulating inner shell 12 and the two corners at the top inner edge of the second heat-insulating inner shell 13, and the limiting rings 21 are embedded in the ring grooves 20, the limiting rings 21 are arranged at one ends of the explosion-proof pin sleeves 19, and the limiting rings 21 and the explosion-proof pin sleeves 19 are all sleeved on the pins of the zinc oxide piezoresistor, thereby replacing the traditional integral structure with a split structure, optimizing the internal structure of the radiator, improving the heat dissipation efficiency of the radiator, having the functions of suppressing and preventing fire, being capable of safely operating in an environment filled with explosive gas mixture, and expanding the application range of the radiator, the use requirement of severe environment is met, the varistor is not easy to be ignited by external open fire, the potential safety hazard of the varistor is eliminated, and the working reliability of the varistor is improved; the fixing component 8 consists of a U-shaped pressing frame 81, a U-shaped supporting frame 82, a mortise 83, a tenon block 84, a pressing screw hole 85, a pressing screw 86, a fixing plate 87, a rubber cushion plate 88 and a fixing hole 89, wherein the U-shaped pressing frame 81 and the U-shaped supporting frame 82 are respectively sleeved on two sides of the first explosion-proof shell 1 and the second explosion-proof shell 4 through the U-shaped frame groove 5, the limiting groove 6 and the limiting block 7, the mortise 83, the tenon block 84, the pressing screw hole 85 and the pressing screw 86 are respectively fixedly connected with two sides of the top of the U-shaped supporting frame 82, the mortise 83 is respectively arranged on two sides of the top of the U-shaped supporting frame 82, the tenon block 84 is respectively arranged on two sides of the bottom of the U-shaped pressing frame 81, the pressing screw hole 85 is respectively arranged at the top of the front and back of the U-shaped supporting frame 82 and the center of the side of the tenon block 84, and the pressing screw hole 86 is arranged inside the pressing screw hole 85, the bottom of the U-shaped supporting frame 82 is fixedly connected with two sides of the top of the fixing plate 87 respectively, the bottom of the fixing plate 87 is provided with a rubber base plate 88, and the outer edges of the tops of the rubber base plate 88 and the fixing plate 87 are uniformly provided with a plurality of fixing holes 89, so that a radiator can be conveniently mounted and dismounted by personnel, the maintenance and replacement are convenient, the labor intensity of the personnel is reduced, and the maintenance cost of the piezoresistor is saved; when the invention is used, the fixing plate 87 and the rubber pad 88 are firstly installed at the preset position through the fixing hole 89, the second explosion-proof outer shell 4 is embedded on the U-shaped supporting frame 82 by embedding the limit block 7 into the limit groove 6, the zinc oxide piezoresistor is embedded inside the first heat-conducting silica gel sleeve 16 and the second heat-conducting silica gel sleeve 17, the first heat-conducting silica gel sleeve 16 and the second heat-conducting silica gel sleeve 17 are embedded inside the first inner insulating shell 12 and the second inner insulating shell 13, the first inner insulating shell 12 and the second inner insulating shell 13 are embedded inside the fire-suppressing and flame-retardant mesh panel 10 and the fire-suppressing and flame-retardant mesh panel 11, the heat-conducting silica gel strip 15 is embedded into the strip-shaped hole 14, the fire-suppressing and flame-retardant mesh panel 10 and the fire-suppressing and flame-retardant mesh panel 11 are embedded inside the second explosion-proof outer shell 4, the first explosion-proof outer shell 1 is embedded on the second explosion-proof outer shell 4 by embedding the positioning column 3 into the positioning groove 2, the fire-suppressing and fire-retarding net cover 10 and the fire-suppressing and fire-retarding net plate 11 are covered, the first explosion-proof shell 1 and the second explosion-proof shell 4 are fixed together by embedding the U-shaped pressing frame 81 into the U-shaped frame groove 5, when the zinc oxide piezoresistor operates, the heat is conducted to the heat-conducting silica gel strip 15 through the first heat-conducting silica gel sleeve 16 and the second heat-conducting silica gel sleeve 17, further transmitted to the first explosion-proof shell 1 and the second explosion-proof shell 4, and exchanges heat energy with the outside air through the heat dissipation groove 9, thereby optimizing the internal structure of the radiator, improving the heat dissipation efficiency of the radiator, having the functions of fire suppression and explosion prevention, being capable of safely operating in the environment filled with explosive gas mixture, expanding the application range of the radiator, meeting the use requirements of severe environment, and the varistor is not easy to be ignited by external open fire, thereby eliminating the potential safety hazard of the varistor and improving the working reliability of the varistor.
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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a press down zinc oxide radiator for piezo-resistor of fire explosion-proof type, including first explosion-proof shell (1), constant head tank (2), reference column (3), second explosion-proof shell (4), U type frame groove (5), spacing groove (6), stopper (7), fixed subassembly (8), heat dissipation recess (9), press down fire-retardant screen panel (10), press down fire-retardant otter board (11), first insulation inner shell (12), second insulation inner shell (13), bar hole (14), heat conduction silica gel strip (15), first heat conduction silica gel cover (16), second heat conduction silica gel cover (17), trepanning (18), explosion-proof pin cover (19), annular (20) and spacing ring (21), its characterized in that: the outer edge of the bottom of the first explosion-proof shell (1) is buckled with the outer edge of the top of the second explosion-proof shell (4) through a positioning groove (2) and a positioning column (3), both sides of the first explosion-proof shell (1) and the second explosion-proof shell (4) are fixedly sleeved with a fixing component (8) through a U-shaped frame groove (5), a limiting groove (6) and a limiting block (7), the fixing component (8) is composed of a U-shaped pressing frame (81), a U-shaped supporting frame (82), a mortise (83), a tenon block (84), a pressing screw hole (85), a pressing screw (86), a fixing plate (87), a rubber base plate (88) and a fixing hole (89), both sides of the first explosion-proof shell (1) and the second explosion-proof shell (4) are respectively sleeved with a U-shaped pressing frame (81) and a U-shaped supporting frame (82) through the U-shaped frame groove (5), the limiting groove (6) and the limiting block (7), two sides of the bottom of the U-shaped pressing frame (81) are fixedly connected with two sides of the top of the U-shaped supporting frame (82) through a mortise (83), a tenon block (84), a pressing screw hole (85) and a pressing screw (86), the bottom of the U-shaped supporting frame (82) is fixedly connected with two sides of the top of the fixing plate (87) respectively, a rubber cushion plate (88) is arranged at the bottom of the fixing plate (87), and a plurality of fixing holes (89) are uniformly formed in the outer edges of the tops of the rubber cushion plate (88) and the fixing plate (87); a plurality of heat dissipation grooves (9) are symmetrically arranged on the front side and the back side of the first explosion-proof shell (1) and the second explosion-proof shell (4), and the first explosion-proof shell (1) and the second explosion-proof shell (4) are respectively coated on the top and the bottom of the fire-suppressing and flame-retardant mesh enclosure (10), the fire-inhibiting flame-retardant mesh enclosure (10) is internally embedded with a fire-inhibiting flame-retardant mesh plate (11), a first heat-insulating inner shell (12) and a second heat-insulating inner shell (13) respectively, a first heat-conducting silica gel sleeve (16) and a second heat-conducting silica gel sleeve (17) are respectively embedded in the first heat-insulating inner shell (12) and the second heat-insulating inner shell (13) through strip-shaped holes (14) and heat-conducting silica gel strips (15), the zinc oxide piezoresistor is fixedly embedded in the first heat-conducting silica gel sleeve (16) and the second heat-conducting silica gel sleeve (17) through the sleeve hole (18), the explosion-proof pin sleeve (19), the annular groove (20) and the limiting ring (21).
2. The heat sink for a fire-suppressing explosion-proof zinc oxide varistor as recited in claim 1, wherein: the positioning grooves (2) are respectively arranged on four sides of the top of the second explosion-proof shell (4), positioning columns (3) are embedded in the positioning grooves (2), and the positioning columns (3) are respectively arranged on four sides of the bottom of the first explosion-proof shell (1).
3. The heat sink for a fire-suppressing explosion-proof zinc oxide varistor as recited in claim 1, wherein: the U-shaped frame groove (5) is respectively arranged on two sides of the first explosion-proof shell (1) and the second explosion-proof shell (4), and a U-shaped pressing frame (81) and a U-shaped supporting frame (82) are respectively embedded in the U-shaped frame groove (5).
4. The heat sink for a fire-suppressing explosion-proof zinc oxide varistor as recited in claim 1, wherein: spacing groove (6) are seted up respectively in the center at U type compress tightly frame (81) bottom and U type carriage (82) top, and the inside of spacing groove (6) is inlayed and is equipped with stopper (7), stopper (7) set up the center in U type frame groove (5) bottom.
5. The heat sink for a fire-suppressing explosion-proof zinc oxide varistor as recited in claim 1, wherein: the mortise (83) is respectively arranged on two sides of the top of the U-shaped supporting frame (82), the tenon blocks (84) are embedded in the mortise (83), and the tenon blocks (84) are respectively arranged on two sides of the bottom of the U-shaped pressing frame (81).
6. The heat sink for a fire-suppressing explosion-proof zinc oxide varistor as recited in claim 1, wherein: the pressing screw holes (85) are respectively formed in the top ends of the front surface and the back surface of the U-shaped supporting frame (82) and the center of the side surface of the tenon block (84), and pressing screws (86) are embedded in the pressing screw holes (85).
7. The heat sink for a fire-suppressing explosion-proof zinc oxide varistor as recited in claim 1, wherein: the heat-conducting fire-retardant screen panel is characterized in that the strip-shaped holes (14) are respectively arranged at the four corners of the front and the back of the fire-retardant screen panel (10), the two sides of the top of the front and the back of the first heat-insulating inner shell (12) and the two sides of the bottom of the front and the back of the second heat-insulating inner shell (13), heat-conducting silica gel strips (15) are embedded in the strip-shaped holes (14), and the heat-conducting silica gel strips (15) are respectively and uniformly arranged at the two corners of the front and the back of the first heat-conducting silica gel sleeve (16) and the two corners of the front and the back of the second heat-conducting silica gel sleeve (17).
8. The heat sink for a fire-suppressing explosion-proof zinc oxide varistor as recited in claim 1, wherein: the two corners of the bottom of the first explosion-proof outer shell (1), the two corners of the top of the second explosion-proof outer shell (4), the two sides of the side center of the fire-suppression flame-retardant screen plate (11), the two corners of the outer edge of the bottom of the first heat-insulation inner shell (12) and the two corners of the outer edge of the top of the second heat-insulation inner shell (13) are respectively arranged in the sleeve holes (18), and explosion-proof pin sleeves (19) are embedded in the sleeve holes (18).
9. The heat sink for a fire-suppressing explosion-proof zinc oxide varistor as recited in claim 1, wherein: two angles of ring groove (20) seting up respectively at first adiabatic inner shell (12) bottom inner edge and two angles of second adiabatic inner shell (13) top inner edge, and the inside of ring groove (20) inlays and is equipped with spacing ring (21), spacing ring (21) set up the one end at explosion-proof pin cover (19), and spacing ring (21) and explosion-proof pin cover (19) all cup joint on zinc oxide piezoresistor's pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389516.1A CN112489907B (en) | 2020-12-01 | 2020-12-01 | Heat radiator for fire-suppression explosion-proof zinc oxide piezoresistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389516.1A CN112489907B (en) | 2020-12-01 | 2020-12-01 | Heat radiator for fire-suppression explosion-proof zinc oxide piezoresistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112489907A CN112489907A (en) | 2021-03-12 |
| CN112489907B true CN112489907B (en) | 2022-04-26 |
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| US5936824A (en) * | 1997-08-13 | 1999-08-10 | Lightning Eliminators And Consultants | Encapsulated MOV surge arrester for with standing over 100,000 amps of surge per doc |
| JP5157349B2 (en) * | 2007-09-28 | 2013-03-06 | 日本ケミコン株式会社 | Electronic components |
| CN202230816U (en) * | 2011-08-08 | 2012-05-23 | 深圳市山达士电子有限公司 | Explosion-proof piezoresistor |
| CN203465996U (en) * | 2013-09-29 | 2014-03-05 | 昆山万盛电子有限公司 | Vertical-type inflaming-retarding and anti-explosion shell for voltage dependent resistor and voltage dependent resistor device comprising vertical-type inflaming-retarding and anti-explosion shell |
| CN206293891U (en) * | 2017-01-09 | 2017-06-30 | 郑品章 | A kind of flame retardant type surge protector |
| CN209657929U (en) * | 2018-08-06 | 2019-11-19 | 成功工业（惠州）有限公司 | The pressure-sensitive shell structure of firing and explosion prevention type and varistor |
| CN208422544U (en) * | 2018-08-09 | 2019-01-22 | 惠州市嵩隆鑫电电子科技有限公司 | A kind of explosion-proof flame-retardant type varistor |
| CN110690018A (en) * | 2019-11-08 | 2020-01-14 | 厦门赛尔特电子有限公司 | Explosion-proof flame-retardant piezoresistor and automatic production method thereof |
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