High-voltage explosion-proof glass-sealed resistor structure

Abstract

The utility model provides a kind of high-pressure-resistant explosion-proof glass-sealed resistor structure, belong to electronic component technical field, including, resistance component, including ceramic core, resistance layer being fixedly connected in the ceramic core outside, electrode, and lead wire being fixedly connected in the electrode side wall;Protection component, including the glass package shell being covered in the resistance component outside, fixed plate being fixedly connected in the glass package shell inside, and sealing ring being fixedly connected in the glass package shell side wall, the lead wire passes through from the sealing ring inside.The utility model has the beneficial effect that: the structure is high-pressure-resistant and has good explosion-proof performance, by multiple insulation protection components cooperation, block high-pressure leakage path, improve resistance to high pressure, resist explosion impact force, prevent debris splashing, improve explosion-proof property.Good safety, effectively improve the overall safety of circuit by voltage sensor and fuse double protection mechanism.

Description

Technical Field

[0001] This utility model belongs to the field of electronic component technology, specifically relating to a high-voltage explosion-proof glass-sealed resistor structure. Background Technology

[0002] Resistors are core electronic components used in circuits for voltage division, current limiting, and energy conversion, and are widely used in power systems, aerospace, and industrial control. As these fields develop towards higher voltage, higher power, and higher reliability, the requirements for resistors' high voltage resistance, explosion-proof safety, and long-term stability are becoming increasingly stringent.

[0003] Traditional resistors lack sufficient high-voltage resistance and explosion-proof capabilities. When the voltage rises, their resistance deteriorates, easily leading to leakage and explosion, affecting the normal operation of electrical appliances. Furthermore, traditional resistors lack effective protection mechanisms; when the voltage is abnormal, they cannot disconnect the faulty circuit, easily damaging equipment. Summary of the Invention

[0004] The purpose of this invention is to provide a high-voltage explosion-proof glass-sealed resistor structure, which aims to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A high-voltage explosion-proof glass-sealed resistor structure includes, A resistor assembly includes a ceramic core, a resistor layer fixedly connected to the outside of the ceramic core, an electrode fixedly connected to the top of the resistor layer, and a lead wire fixedly connected to the sidewall of the electrode. The protective assembly includes a glass enclosure sleeved on the outside of the resistor assembly, a fixing plate fixedly connected inside the glass enclosure, and a sealing ring fixedly connected to the side wall of the glass enclosure. The lead wire passes through the sealing ring, and the fixing plate is snapped onto the outer wall of the explosion-proof enclosure.

[0006] As a preferred embodiment of the present invention, the resistor assembly further includes an insulating layer fixedly connected to the outside of the resistor layer, and an insulating sheath sleeved over the outside of the lead wire.

[0007] As a preferred embodiment of the present invention, the resistor assembly further includes a heat-conducting plate fixedly connected to the outer wall of the resistor layer, an explosion-proof shell fixedly connected to the outside of the heat-conducting plate, and heat dissipation fins fixedly connected to the bottom of the explosion-proof shell, wherein the explosion-proof shell is sleeved on the outside of the insulating layer.

[0008] As a preferred embodiment of the present invention, the resistor assembly further includes explosion-proof end caps inserted into both ends of the explosion-proof housing, a honeycomb buffer layer inserted into the outer wall of the insulating sheath, and a buffer pad inserted into the outer wall of the insulating sheath, wherein the honeycomb buffer layer and the buffer pad are sequentially disposed inside the explosion-proof housing.

[0009] In a preferred embodiment of this invention, the resistor assembly further includes a voltage equalization ring inserted into the outer wall of the lead wire, the voltage equalization ring being disposed at the input end of the lead wire.

[0010] As a preferred embodiment of this utility model, the protection component further includes a connecting frame fixedly connected to the outer wall of the glass encapsulation shell, a slide table snapped to the bottom of the connecting frame, a motor fixedly connected to the side wall of the slide table, and a voltage sensor inserted into the side wall of the motor. The end of the motor output shaft is connected to the slide table slide rod via a coupling, and the detection end of the voltage sensor is inserted into the output end of the lead wire.

[0011] As a preferred embodiment of the present invention, the protection component further includes a fuse plugged into the outer wall of the lead wire, the fuse being disposed at the output end of the lead wire.

[0012] Compared with existing technologies, the advantages of this invention are: The structure has better high-voltage resistance; multiple insulating protection components block high-voltage leakage paths, improving high-voltage resistance. It has high explosion-proof performance; various explosion-proof components work together to resist explosive impacts and prevent fragmentation. It has good safety; the dual protection mechanism of voltage sensors and fuses effectively enhances the overall safety of the circuit. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein: Figure 1 This is one of the overall structural schematic diagrams of this utility model; Figure 2 This is the second partial structural schematic diagram of the present utility model; Figure 3 This is the third partial structural schematic diagram of this utility model; Figure 4 This is the fourth partial structural schematic diagram of the present utility model; Figure 5 This is a front cross-sectional view of the present invention. Figure 6 This is a side cross-sectional view of the present invention.

[0014] In the diagram: 100, Resistor assembly; 101, Ceramic core; 102, Resistor layer; 103, Electrode; 104, Lead wire; 105, Insulating layer; 106, Insulating sleeve; 107, Heat-conducting plate; 108, Explosion-proof shell; 109, Heat dissipation fins; 110, Explosion-proof end cap; 111, Honeycomb buffer layer; 112, Buffer pad; 113, Equalizing ring; 200, Protection assembly; 201, Glass encapsulation shell; 202, Fixing plate; 203, Sealing ring; 204, Connecting frame; 205, Slide table; 206, Motor; 207, Voltage sensor; 208, Fuse. Detailed Implementation

[0015] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0016] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0017] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. Example

[0018] Reference Figure 1-6 This is an embodiment of the present invention, which provides a high-voltage explosion-proof glass-sealed resistor structure, comprising: The resistor assembly 100 includes a ceramic core 101, a resistor layer 102 fixedly connected to the outside of the ceramic core 101, an electrode 103 fixedly connected to the top of the resistor layer 102, and a lead wire 104 fixedly connected to the side wall of the electrode 103. The protection component 200 includes a glass enclosure 201 sleeved on the outside of the resistor component 100, a fixing plate 202 fixedly connected inside the glass enclosure 201, and a sealing ring 203 fixedly connected to the side wall of the glass enclosure 201. The lead wire 104 passes through the sealing ring 203, and the fixing plate 202 is snapped onto the outer wall of the explosion-proof shell 108.

[0019] The ceramic core 101 serves as a supporting carrier, providing a stable foundation for the resistor function. The resistive layer 102 is fixedly connected to the outside of the ceramic core 101, serving to divide the current and limit its flow. The electrode 103 is fixedly connected to the top of the resistive layer 102, connecting it to an external circuit. The lead wire 104 is fixedly connected to the sidewall of the electrode 103, serving to input and output current. The glass encapsulation shell 201 is fitted over the resistor assembly 100, providing outer protection. The fixing plate 202 is fixedly connected inside the glass encapsulation shell 201, securing it to the outer wall of the explosion-proof shell 108 to ensure the stability of the resistor assembly 100 within the glass encapsulation shell 201. The sealing ring 203 is fixedly connected to the sidewall of the glass encapsulation shell 201, sealing the gap between the lead wire 104 and the glass encapsulation shell 201.

[0020] Specifically, the resistor assembly 100 also includes an insulating layer 105 fixedly connected to the outside of the resistor layer 102, an insulating sheath 106 sleeved on the outside of the lead wire 104, and an equalizing ring 113 inserted into the outer wall of the lead wire 104. The equalizing ring 113 is located at the input end of the lead wire 104.

[0021] The insulating layer 105 is fixedly connected to the outside of the resistive layer 102, which can block the current conduction between the resistive layer 102 and external components. The lead 104 is covered with an insulating sheath 106 to further avoid the risk of leakage caused by the exposed lead 104. The equalizing ring 113 is inserted into the outer wall of the lead 104 to uniformly distribute the electric field intensity at the input end of the lead 104.

[0022] Furthermore, the resistor assembly 100 also includes a heat-conducting plate 107 fixedly connected to the outer wall of the resistor layer 102, an explosion-proof shell 108 fixedly connected to the outside of the heat-conducting plate 107, and heat dissipation fins 109 fixedly connected to the bottom of the explosion-proof shell 108. The explosion-proof shell 108 is fitted over the outside of the insulating layer 105.

[0023] The heat-conducting plate 107 is fixedly connected to the outer wall of the resistor layer 102, and can dissipate the heat generated by the resistor layer 102 during operation. The explosion-proof shell 108 is fixedly connected to the outside of the heat-conducting plate 107, and serves to resist possible explosions inside the resistor assembly 100. The heat dissipation fins 109 are fixedly connected to the bottom of the explosion-proof shell 108, accelerating the dissipation of heat conducted from the heat-conducting plate 107 to the explosion-proof shell 108, reducing the possibility of explosion.

[0024] Preferably, the resistor assembly 100 further includes explosion-proof end caps 110 inserted into both ends of the explosion-proof housing 108, a honeycomb buffer layer 111 inserted into the outer wall of the insulating sleeve 106, and a buffer pad 112 inserted into the outer wall of the insulating sleeve 106. The honeycomb buffer layer 111 and the buffer pad 112 are sequentially disposed inside the explosion-proof housing 108.

[0025] The explosion-proof end caps 110 are inserted into both ends of the explosion-proof housing 108, forming a closed explosion-proof space in conjunction with the explosion-proof housing 108. The honeycomb buffer layer 111 and the buffer pad 112 are disposed inside the explosion-proof housing 108. The honeycomb buffer layer 111 absorbs impact energy through its honeycomb structure, and the buffer pad 112 enhances the buffering effect, together reducing the impact of the explosion.

[0026] It should be noted that the protection component 200 also includes a connecting frame 204 fixedly connected to the outer wall of the glass encapsulation shell 201, a slide 205 snapped into the bottom of the connecting frame 204, a motor 206 fixedly connected to the side wall of the slide 205, a voltage sensor 207 inserted into the side wall of the motor 206, and a fuse 208 inserted into the outer wall of the lead wire 104. The output shaft end of the motor 206 is connected to the slide rod of the slide 205 via a coupling. The detection end of the voltage sensor 207 is inserted into the output end of the lead wire 104, and the fuse 208 is disposed at the output end of the lead wire 104.

[0027] The connecting frame 204 serves as a connecting carrier, fixing the glass encapsulation shell 201 to the slide table 205. The motor 206 is fixedly connected to the side wall of the slide table 205 and cooperates with the voltage sensor 207. When the voltage is too high, the voltage sensor 207 activates the motor 206 to drive the slide table 205 to move horizontally, disengaging the lead wire 104 from the device interface. The fuse 208 is inserted into the outer wall of the lead wire 104. When the circuit is overloaded, the fuse 208 will melt due to heat, protecting the resistor and subsequent components.

[0028] During operation, external current enters through the input terminal of lead 104, and after the electric field is evenly dispersed by the equalizing ring 113, it is conducted to the electrode 103. The electrode 103 then guides the current into the resistive layer 102. After the resistor completes the energy conversion, the current is conducted through the other electrode 103 to the output terminal of lead 104, and finally delivered to the subsequent circuit. The heat generated by the resistive layer 102 during operation is transferred to the heat-conducting plate 107 through thermal conduction. The heat-conducting plate 107 conducts the heat to the explosion-proof housing 108. The heat dissipation fins 109 at the bottom of the explosion-proof housing 108 increase the contact area with the air, dissipating heat quickly and preventing the resistor assembly 100 from being damaged due to overheating. If an explosion occurs inside the resistor due to a circuit malfunction, the enclosed space formed by the explosion-proof housing 108 and the explosion-proof end cap 110 can withstand the explosive impact. At the same time, the honeycomb buffer layer 111 and the buffer pad 112 absorb the impact energy, reducing the impact of the explosion. The glass encapsulation shell 201 further blocks fragments that may penetrate the explosion-proof housing 108, forming double explosion-proof protection. Voltage sensor 207 monitors the voltage at the output terminal of lead 104 in real time. When the voltage is abnormal, it can feed back a signal to the control system, which will promptly start motor 206 to move slide table 205, thus disconnecting the resistor from the circuit. If the circuit is overloaded, the fuse 208 at the output terminal of lead 104 will melt due to heat, cutting off the connection between the resistor and subsequent circuits, thus achieving dual protection.

[0029] In summary, this structure exhibits good high-voltage resistance. Multiple insulating protection components, including the equalizing ring 113, insulating layer 105, and insulating sheath 106, effectively block high-voltage leakage paths and enhance high-voltage resistance. It also boasts high explosion-proof safety. The explosion-proof housing 108, explosion-proof end cap 110, honeycomb buffer layer 111, and buffer pad 112 work together to withstand explosive impacts and prevent fragmentation. Furthermore, it offers excellent safety. The voltage sensor 207 monitors the output voltage in real time, facilitating timely detection of circuit anomalies. The fuse 208 automatically melts and cuts off the circuit in case of overload, providing a dual protection mechanism that effectively enhances the overall safety of the circuit.

[0030] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0032] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0033] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A high-voltage resistant explosion-proof glass-sealed resistor structure, characterized in that, include: The resistor assembly (100) includes a ceramic core (101), a resistor layer (102) fixedly connected to the outside of the ceramic core (101), an electrode (103) fixedly connected to the top of the resistor layer (102), and a lead wire (104) fixedly connected to the side wall of the electrode (103). The resistor assembly (100) also includes an insulating layer (105) fixedly connected to the outside of the resistor layer (102), and an insulating sheath (106) sleeved on the outside of the lead wire (104). The resistor assembly (100) further includes a heat-conducting plate (107) fixedly connected to the outer wall of the resistor layer (102), an explosion-proof shell (108) fixedly connected to the outside of the heat-conducting plate (107), and heat dissipation fins (109) fixedly connected to the bottom of the explosion-proof shell (108). The explosion-proof shell (108) is sleeved on the outside of the insulating layer (105). The protective component (200) includes a glass enclosure (201) sleeved on the outside of the resistor component (100), a fixing plate (202) fixedly connected inside the glass enclosure (201), and a sealing ring (203) fixedly connected to the side wall of the glass enclosure (201). The lead wire (104) passes through the sealing ring (203), and the fixing plate (202) is snapped onto the outer wall of the explosion-proof shell (108).

2. The high-voltage explosion-proof glass-sealed resistor structure according to claim 1, characterized in that: The resistor assembly (100) further includes explosion-proof end caps (110) inserted into both ends of the explosion-proof housing (108), a honeycomb buffer layer (111) inserted into the outer wall of the insulating sleeve (106), and a buffer pad (112) inserted into the outer wall of the insulating sleeve (106). The honeycomb buffer layer (111) and the buffer pad (112) are sequentially arranged inside the explosion-proof housing (108).

3. The high-voltage explosion-proof glass-sealed resistor structure according to claim 2, characterized in that: The resistor assembly (100) further includes an equalizing ring (113) inserted into the outer wall of the lead (104), the equalizing ring (113) being disposed at the input end of the lead (104).

4. The high-voltage explosion-proof glass-sealed resistor structure according to claim 1, characterized in that: The protection component (200) also includes a connecting frame (204) fixedly connected to the outer wall of the glass enclosure (201), a slide (205) snapped into the bottom of the connecting frame (204), a motor (206) fixedly connected to the side wall of the slide (205), and a voltage sensor (207) inserted into the side wall of the motor (206). The output shaft end of the motor (206) is connected to the slide rod of the slide (205) via a coupling. The detection end of the voltage sensor (207) is inserted into the output end of the lead wire (104).

5. The high-voltage explosion-proof glass-sealed resistor structure according to claim 4, characterized in that: The protection component (200) also includes a fuse (208) inserted into the outer wall of the lead (104), the fuse (208) being disposed at the output end of the lead (104).

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