Anti-seismic capacitor suitable for electronic detonator blasting
By using aluminum shell material and PVC or PET material casing, combined with arc-shaped heat sink and isolation shell, the cracking and deformation of the seismic capacitor in high temperature environments is solved, and higher heat resistance and service life are achieved.
Patent Information
- Application Number
- CN202421457111.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-25
AI Technical Summary
Existing seismic capacitors are prone to rupture and deform in high-temperature environments, resulting in short circuits and high-temperature bursts, affecting service life.
Aluminum shell material is used as the shell, combined with a sleeve made of PVC or PET, a curved heat sink and an isolation shell are installed, and epoxy resin is used as the sealing layer to enhance heat resistance, impact resistance and sealing performance.
It improves the heat resistance of the earthquake-resistant capacitor, prevents high-temperature cracking and deformation, extends the service life, and enhances the overall stability of the capacitor.
Smart Images

Figure CN222813422U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of earthquake-resistant capacitors, in particular to an earthquake-resistant capacitor suitable for electronic detonator blasting. Background Art
[0002] Electronic detonators, also known as digital electronic detonators, digital detonators or industrial digital electronic detonators, are electric detonators that use electronic control modules to control the detonation process. In the application of electric detonators, capacitors are needed. Two conductors close to each other with a layer of non-conductive insulating medium in between constitute a capacitor. When a voltage is applied between the two plates of a capacitor, the capacitor will store charge.
[0003] The existing anti-seismic capacitors have poor heat resistance. When the capacitor shell material is made of aluminum, it is very easily affected by temperature and cracked. It is also easy to deform due to impact and extrusion, which can damage the capacitor elements and easily cause the capacitor to short-circuit, causing high-temperature explosion and affecting its service life.
[0004] Therefore, it is necessary to provide a seismic-resistant capacitor suitable for electronic detonator blasting to solve the above-mentioned technical problems. The disclosure of the information in this background technology section is only intended to increase the understanding of the overall background of the utility model, and is not necessarily regarded as an admission or suggestion in any form that the information constitutes the prior art known to the general technicians in the field. Utility Model Content
[0005] The utility model provides a seismic capacitor suitable for electronic detonator blasting, which solves the technical problems that the existing seismic capacitor has poor heat resistance, is easily affected by temperature and cracks when the capacitor shell material is made of aluminum, is easily deformed due to impact and extrusion, damages the capacitor element, and easily causes the capacitor to short-circuit, triggers high-temperature cracking, and affects the service life.
[0006] In order to solve the above technical problems, the utility model provides a seismic capacitor suitable for electronic detonator blasting, including a shell, the material of the shell is aluminum shell material, the top of the shell is provided with an end cover, the inner cavity of the shell is provided with a winding core, the two ends of the winding core are respectively connected to a first connecting terminal and a second connecting terminal, the tops of the first connecting terminal and the second connecting terminal are provided with lead wires, the tops of the lead wires pass through both sides of the top of the shell, the top of the inner cavity of the shell is provided with a rubber plug, the outer surface of the shell is provided with a sleeve, the winding core includes an inner layer of electrolytic paper, the outer surface of the inner layer of electrolytic paper is provided with an anode aluminum foil, the outer surface of the anode aluminum foil is provided with an outer layer of electrolytic paper, the outer surface of the outer layer of electrolytic paper is provided with a cathode aluminum foil, the outer surface of the shell is provided with a heat sink, and the outer surface of the heat sink is provided with an isolation shell.
[0007] Preferably, the sleeve may be made of PVC or PET.
[0008] Preferably, the material of the first connecting terminal is the same as the material of the second connecting terminal.
[0009] Preferably, the isolation shell is made of a heat insulation board, the heat sink is an arc-shaped structure, and the heat sink is arranged in a circular ring shape relative to the outer wall of the shell.
[0010] Preferably, an annular groove is provided at the connection between the top of the shell and the bottom of the end cover, and a sealing layer is provided inside the annular groove, and the sealing layer is epoxy resin, and the shell and the end cover, the first connecting terminal and the second connecting terminal can be fixed by filling the epoxy resin.
[0011] Preferably, the material of the inner layer of electrolytic paper is the same as that of the outer layer of electrolytic paper, and both the inner layer of electrolytic paper and the outer layer of electrolytic paper are electrolytic paper soaked in electrolyte.
[0012] Compared with the related art, the anti-seismic capacitor suitable for electronic detonator blasting provided by the utility model has the following beneficial effects:
[0013] The utility model provides a seismic-resistant capacitor suitable for electronic detonator blasting. The outer shell is made of aluminum shell material, so that the outer shell will not be easily affected by temperature, will not crack due to long-term high temperature, will not be easily deformed due to impact or extrusion, will not damage the capacitor element, will not easily cause the capacitor to short-circuit, and will not burst due to high temperature. The PVC or PET material of the casing has excellent heat resistance, impact resistance, corrosion resistance and the like, thereby increasing the heat resistance of the outer shell and improving the high temperature resistance of the outer shell.
[0014] The utility model provides a seismic capacitor suitable for electronic detonator blasting. The heat sink is arranged in an arc structure, and the heat sink and the outer wall of the shell are arranged in a circular ring shape, so that the efficiency of heat dissipation from the shell surface can be improved. The sealing layer is epoxy resin. The shell and the end cover, the first connecting terminal and the second connecting terminal can be tightly connected together by filling the epoxy resin, so as to improve the sealing performance. The shell is isolated from the external heating components by arranging an isolation shell, so as to avoid excessive influence of the external temperature on the shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a seismic-resistant capacitor suitable for electronic detonator blasting provided by the utility model;
[0016] Figure 2 This is a cross-sectional view of the shell structure of the utility model;
[0017] Figure 3 It is a top view of the shell structure of the utility model.
[0018] Figure numerals: 1. outer shell; 2. end cover; 3. winding core; 4. first connecting terminal; 5. second connecting terminal; 6. lead wire; 7. rubber plug; 8. sleeve; 9. inner layer electrolytic paper; 10. anode aluminum foil; 11. outer layer electrolytic paper; 12. cathode aluminum foil; 13. heat sink; 14. isolation shell. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Embodiment 1
[0020] See also Figure 1-3 The utility model provides a technical solution: a seismic capacitor suitable for electronic detonator blasting, comprising a shell 1, the shell 1 is made of aluminum shell material, the top of the shell 1 is provided with an end cover 2, the inner cavity of the shell 1 is provided with a winding core 3, the two ends of the winding core 3 are respectively connected with a first connecting terminal 4 and a second connecting terminal 5, the tops of the first connecting terminal 4 and the second connecting terminal 5 are both provided with lead wires 6, the tops of the lead wires 6 pass through both sides of the top of the shell 1, a rubber plug 7 is provided at the top of the inner cavity of the shell 1, a sleeve 8 is provided on the outer surface of the shell 1, the winding core 3 comprises an inner layer of electrolytic paper 9, the outer surface of the inner layer of electrolytic paper 9 is provided with an anode aluminum foil 10, the outer surface of the anode aluminum foil 10 is provided with an outer layer of electrolytic paper 11, the outer surface of the outer layer of electrolytic paper 11 is provided with a cathode aluminum foil 12, the outer surface of the shell 1 is provided with a heat sink 13, and the outer surface of the heat sink 13 is provided with an isolation shell 14.
[0021] In the present embodiment, the outer shell 1 is made of aluminum shell material, so that the outer shell 1 will not be easily affected by temperature, will not crack due to long-term high temperature, will not be easily deformed due to impact or squeezing, will not damage the capacitor element, will not easily cause a short circuit in the capacitor, and will not burst due to high temperature. The PVC or PET material of the sleeve 8 has excellent heat resistance, impact resistance, corrosion resistance and other properties, which increases the heat resistance of the outer shell 1 and improves the high temperature resistance of the outer shell 1. Embodiment 2
[0022] See also Figure 1-3As shown, on the basis of the first embodiment, the utility model provides a technical solution: the material of the sleeve 8 can be PVC or PET, the material of the first connecting terminal 4 is the same as the material of the second connecting terminal 5, the material of the isolation shell 14 is an insulation board, the heat sink 13 is an arc-shaped structure, and the heat sink 13 is arranged in a circular ring shape with respect to the outer wall of the shell 1, and an annular groove is provided at the connection between the top of the shell 1 and the bottom of the end cover 2, and a sealing layer is provided inside the annular groove, and the sealing layer is epoxy resin, and the shell 1 and the end cover 2, the first connecting terminal 4 and the second connecting terminal 5 can be fixed by filling the epoxy resin, the material of the inner layer of electrolytic paper 9 is the same as the material of the outer layer of electrolytic paper 11, and the inner layer of electrolytic paper 9 and the outer layer of electrolytic paper 11 are both electrolytic papers soaked in electrolyte.
[0023] In this embodiment: the heat sink 13 is an arc-shaped structure, and the heat sink 13 and the outer wall of the shell 1 are arranged in a circular ring shape, which can improve the efficiency of heat dissipation from the surface of the shell 1. The sealing layer is epoxy resin. By filling the epoxy resin, the shell 1 and the end cover 2, the first connecting terminal 4 and the second connecting terminal 5 can be tightly connected together to improve the sealing performance. The isolation shell 14 is provided to isolate the shell 1 from the external heat-generating components, thereby preventing the external temperature from causing excessive influence on the shell 1.
[0024] The working principle of a seismic-resistant capacitor suitable for electronic detonator blasting provided by the utility model is as follows:
[0025] The first step to implement the innovation point:
[0026] Step 1: The shell 1 is made of aluminum shell material, so that the shell 1 will not be easily affected by temperature, will not crack due to long-term high temperature, will not be easily deformed due to impact or extrusion, will not damage the capacitor element, will not easily cause the capacitor to short-circuit, and will not burst due to high temperature;
[0027] Step 2: The PVC or PET material of the sleeve 8 has excellent heat resistance, impact resistance, corrosion resistance and other properties, which increases the heat resistance of the shell 1 and improves the high temperature resistance of the shell 1.
[0028] The second innovation point implementation steps:
[0029] Step 1: The heat sink 13 is an arc-shaped structure, and the heat sink 13 and the outer wall of the housing 1 are arranged in a circular ring, which can improve the efficiency of heat dissipation on the surface of the housing 1, and the sealing layer is epoxy resin;
[0030] Step 2: The housing 1 and the end cover 2, the first connection terminal 4 and the second connection terminal 5 can be tightly connected together by filling with epoxy resin to improve the sealing performance;
[0031] Step 3: The housing 1 is isolated from external heat generating components by providing an isolation shell 14 , thereby preventing the external temperature from having an excessive impact on the housing 1 .
[0032] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model no longer explains the control method and circuit connection in detail. The peripheral controller mentioned in the specification can control the electrical components mentioned in this article, and the peripheral controller is a conventional known device.
[0033] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0034] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above are only preferred implementation methods of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the utility model, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.
Claims
1. A seismic capacitor suitable for electronic detonator blasting, comprising a housing (1), characterized in that: The shell (1) is made of an aluminum shell material. An end cover (2) is provided on the top of the shell (1). A winding core (3) is provided in the inner cavity of the shell (1). The two ends of the winding core (3) are respectively connected to a first connection terminal (4) and a second connection terminal (5). The tops of the first connection terminal (4) and the second connection terminal (5) are both provided with lead wires (6). The tops of the lead wires (6) penetrate through both sides of the top of the shell (1). A rubber plug (7) is provided on the top of the inner cavity of the shell (1). A sleeve (8) is provided on the outer surface of the shell (1). The winding core (3) comprises an inner layer of electrolytic paper (9). An anode aluminum foil (10) is provided on the outer surface of the inner layer of electrolytic paper (9). An outer layer of electrolytic paper (11) is provided on the outer surface of the anode aluminum foil (10). A cathode aluminum foil (12) is provided on the outer surface of the outer layer of electrolytic paper (11). A heat sink (13) is provided on the outer surface of the heat sink (13). An isolation shell (14) is provided on the outer surface of the heat sink (13).
2. The anti-seismic capacitor suitable for electronic detonator blasting according to claim 1, characterized in that: The material of the sleeve (8) may be PVC or PET.
3. The anti-seismic capacitor suitable for electronic detonator blasting according to claim 1, characterized in that: The material of the first connecting terminal (4) is the same as the material of the second connecting terminal (5).
4. The anti-seismic capacitor suitable for electronic detonator blasting according to claim 1, characterized in that: The material of the isolation shell (14) is a heat insulation board, the heat sink (13) is an arc-shaped structure, and the heat sink (13) is arranged in a circular ring shape relative to the outer wall of the outer shell (1).
5. The anti-seismic capacitor suitable for electronic detonator blasting according to claim 1, characterized in that: An annular groove is provided at the connection between the top of the housing (1) and the bottom of the end cover (2), and a sealing layer is provided inside the annular groove. The sealing layer is epoxy resin, and the housing (1) and the end cover (2), the first connecting terminal (4) and the second connecting terminal (5) can be fixed by filling the epoxy resin.
6. The anti-seismic capacitor suitable for electronic detonator blasting according to claim 1, characterized in that: The material of the inner layer electrolytic paper (9) is the same as that of the outer layer electrolytic paper (11), and both the inner layer electrolytic paper (9) and the outer layer electrolytic paper (11) are electrolytic papers soaked in electrolyte.