CN203687164U - Explosion-proof electrical oil heater - Google Patents
Explosion-proof electrical oil heater Download PDFInfo
- Publication number
- CN203687164U CN203687164U CN201320885510.2U CN201320885510U CN203687164U CN 203687164 U CN203687164 U CN 203687164U CN 201320885510 U CN201320885510 U CN 201320885510U CN 203687164 U CN203687164 U CN 203687164U
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- wire
- tds
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Fuses (AREA)
Abstract
The utility model discloses an explosion-proof electrical oil heater, and the electrical oil heater comprises a cover body, a cooling fin which is made of a thin steel plate through welding, thermal conduction oil, a circuit board which is disposed in an explosion-proof electrical wiring box, an explosion-proof indicating lamp, and an explosion-proof temperature control switch. The interior of a heat-conduction cavity at the bottom of the cooling fin is provided with an explosion-proof electrical heating tube. The cooling fin contains the thermal conduction oil. The explosion-proof electrical heating tube is connected with the circuit board in the explosion-proof electrical wiring box through a wire. The circuit board is connected with the explosion-proof indicating lamp and the explosion-proof temperature control switch. The explosion-proof purpose can be achieved through the explosion-proof electrical heating tube, the explosion-proof indicating lamp and the explosion-proof temperature control switch. The electrical oil heater prevents flammable and combustible gas from exploding, thereby reducing the economic loss and casualties.
Description
Technical field
The utility model relates to a kind of electric heating installation using oil as medium, relates in particular to a kind of oil of the explosion-proof electric for explosive environments spit of fland.
Background technology
Electric heating installation using oil as medium is a kind of safe and reliable space heater, and its maximum feature is that distributed heat is larger, and surface temperature is lower, is generally no more than 85 ℃, also can not cause and burn even if touch human body, is applicable to being placed in the place of population activity.Even if electric heating installation using oil as medium is in the situation that having a power failure suddenly, also can for a long time in, keep certain temperature, the while it does not produce any pernicious gas, without electric operation noise and reliable operation, life-span long.
Common electric heating installation using oil as medium is made up of circuit board, electric heating tube, conduction oil, cover body, temperature detect switch (TDS) and fin, wherein, common electric heating tube is fixed in the bottom thermal conductive cavity of fin formation, in fin, fill using the CD conduction oil through high temperature refining as medium, after switching on power, the conduction oil of built-in electric heating component ambient is heated, then by fin to space distribute heat, reach hot air circulate and improve room temperature.Outside components and parts apart from control circuit on circuit board, also comprise indicator lamp and power control switch, circuit board is placed in outer cover.By common electric heating installation using oil as medium, in explosive atmosphere, along with the prolongation of working time, the components and parts temperature on its circuit board can raise gradually, in the time exceeding the ignition temperature of certain gas in explosive atmosphere, can cause lighting of hazardous gas; Another kind of possibility, if Switching Power Supply action, or wiring place of electric heating tube and circuit board etc. is exposed to wire or the component loose contact in explosive atmosphere, can produce electric spark, the blast of hazardous gas in setting off an explosion property environment, causes unnecessary economic loss and casualties.
Utility model content
The purpose of this utility model is to provide a kind of explosion-proof electric oil spit of fland, can be used in explosive environments, avoids causing hazardous gas blast, reduces economic loss and casualties.
The technical solution adopted in the utility model is:
A kind of explosion-proof electric oil spit of fland, comprise fin, explosion-proof electric heating pipe, conduction oil that cover body, sheet metal be welded, be arranged at circuit board, explosion-proof indicating lamp and explosion-proof temperature detect switch (TDS) in explosion-proof electrification junction box, in the thermal conductive cavity of fin bottom, explosion-proof electric heating pipe is set, the inner conduction oil of filling of fin, explosion-proof electric heating pipe connects the circuit board in explosion-proof electrification junction box by wire, and circuit board connects explosion-proof indicating lamp and explosion-proof temperature detect switch (TDS).
Described explosion-proof electrification junction box comprises upper shell and lower house, upper shell and lower house snap together, form circuit board container cavity and wire cavity, between circuit board container cavity and wire cavity, be communicated with by wire guide, the amalgamation portion that upper shell and lower house piece together circuit board container cavity place is reserved with fairlead, fairlead place is provided with INCREASEDSAFETY thread guide devices, and wire is exported by wire cavity, is filled with epoxy resin colloid between wire cavity inwall and wire.
Described explosion-proof indicating lamp comprises Non-spark lamp holder, and lamp holder end connects cast aluminum casings, connects the wire of lamp holder through cast aluminum casings inside, filling epoxy resin colloid between cast aluminum casings inwall and wire.
Described explosion-proof temperature detect switch (TDS) comprises " protruding " shape stainless steel explosion-proof shell, explosion-proof shell top is reserved with defeated line hole, in explosion-proof shell, be provided with temperature detect switch (TDS), the peripheral pouring of temperature detect switch (TDS) has copper sheathing, temperature detect switch (TDS) shaft extension goes out explosion-proof shell outside, between copper sheathing and temperature detect switch (TDS) axle, forms explosion suppresion surface, is reserved with wire hole on copper sheathing, the wire that connects temperature detect switch (TDS) is exported by wire hole and defeated line hole, filling epoxy resin colloid between explosion-proof shell inwall and copper sheathing, wire.
The gap of above-mentioned explosion suppresion surface is less than or equal to 0.2mm, and the length of explosion suppresion surface is 13mm.
Above-mentioned epoxide-resin glue body thickness is more than or equal to 3mm, and colloid surface is smooth.
Above-mentioned wire all adopts without the rubber sheath flexible cable of node or neoprene sheath soft cable, and the cross-sectional area of cable is more than or equal to 6mm
2.
The utility model is positioned over circuit board in explosion-proof electrification junction box, prevents the electric spark ignition Flammable atmosphere that wire or component loose contact produce; By explosion-proof electric heating pipe, explosion-proof indicating lamp and explosion-proof temperature detect switch (TDS), all can reach explosion-proof object, avoid inflammable, explosion hazard gases to blast, reduce economic loss and casualties.
Accompanying drawing explanation
Fig. 1 is anti-explosion electric deep fat of the present utility model spit of fland structural representation;
Fig. 2 is explosion-proof electrification junction box structural representation of the present utility model;
Fig. 3 is explosion-proof indicating lamp structural representation of the present utility model;
Fig. 4 is explosion-proof temperature detect switch (TDS) structural representation of the present utility model.
The specific embodiment
As shown in Fig. 1-Fig. 4, the utility model comprises fin 1, explosion-proof electric heating pipe 2, conduction oil 3 that cover body 6, sheet metal be welded, is arranged at circuit board, explosion-proof indicating lamp 5 and explosion-proof temperature detect switch (TDS) 7 in explosion-proof electrification junction box 4, in fin 1 bottom thermal conductive cavity, explosion-proof electric heating pipe 2 is set, the strong inside of fin 1 and heat conduction is filled with conduction oil 3, explosion-proof electric heating pipe 2 connects the circuit board in explosion-proof electrification junction box 4 by wire, and circuit board connects explosion-proof indicating lamp 5 and explosion-proof temperature detect switch (TDS) 7; Explosion-proof electrification junction box 4 comprises upper shell 8 and lower house 9, upper shell 8 and lower house 9 snap together, form circuit board container cavity 10 and wire cavity 11, between circuit board container cavity 10 and wire cavity 11, be communicated with by wire guide 12, upper shell 8 is reserved with fairlead 13 with the amalgamation portion that lower house 9 pieces together circuit board container cavity 10 places, fairlead 13 places are provided with INCREASEDSAFETY thread guide devices 14, and wire 15 is exported by wire cavity 11, between wire cavity 11 inwalls and wire 15, are filled with epoxy resin colloid 16; Explosion-proof indicating lamp 5 comprises Non-spark lamp holder 17, and lamp holder 17 ends connect cast aluminum casings 18, connects the wire 15 of lamp holder 17 through cast aluminum casings 18 inside, filling epoxy resin colloid 16 between cast aluminum casings inwall and wire; Explosion-proof temperature detect switch (TDS) 7 comprises " protruding " shape stainless steel explosion-proof shell 19, explosion-proof shell 19 tops are reserved with defeated line hole 20, in explosion-proof shell 19, be provided with temperature detect switch (TDS), the peripheral pouring of temperature detect switch (TDS) has copper sheathing 21, temperature detect switch (TDS) axle 22 stretches out explosion-proof shell 19 outsides, between copper sheathing 21 and temperature detect switch (TDS) axle 22, forms explosion suppresion surface 23, is reserved with wire hole 24 on copper sheathing 21, the wire that connects temperature detect switch (TDS) is exported by wire hole 24 and defeated line hole 20, filling epoxy resin colloid 16 between explosion-proof shell inwall and copper sheathing 21, wire; Above-mentioned epoxy resin colloid 16 thickness are more than or equal to 3mm, and colloid surface is smooth; The gap of above-mentioned explosion suppresion surface 23 is less than or equal to 0.2mm, and the length of explosion suppresion surface is 13mm, and above-mentioned wire all adopts without the rubber sheath flexible cable of node or neoprene sheath soft cable, and the cross-sectional area of cable is more than or equal to 6mm
2.
Below in conjunction with accompanying drawing, the utility model is elaborated:
The fin that sheet metal is as shown in Figure 1 welded, adopts after the formed by stamping thin steel plate of 0.6mm, is welded into a monoblock makes two; Explosion-proof electric heating pipe 2 is generally flame-proof type, explosion-proof electric heating pipe must be the product of having obtained certification of conformity of an instrument for explosive atmosphere, high temperature resistance silk distributes equably in high temperature resistant stainless steel seamless pipe, insert densely all good crystal magnesium oxide powder of heat conductivility and insulating properties in gap, the thickness of shell of heating tube is not less than 3mm, and the processing of epoxy resin encapsulation has been carried out at lead-out wire position, so just guarantee its flame-proof type energy, explosion-proof electric heating pipe is existing matured product, does not repeat them here.
As shown in Figure 2, patchcord in the inner placement circuit board of explosion-proof electrification junction box 4 or inside, internal circuit is generally contactless, temperature rise is not high yet, so general employing of explosion-proof electrification junction box 4 increases the double pouring type type of explosion proof construc tion of peace, the degree of protection of upper shell 8 and lower house 9 is IP54, INCREASEDSAFETY thread guide devices 14 is for obtaining the INCREASEDSAFETY Explosion proof joint of certification of conformity of an instrument for explosive atmosphere, for existing matured product, wire adopts rubber sheath flexible cable or the neoprene sheath soft cable without node, and the cross-sectional area of anti-explosion cable is more than or equal to 6mm
2point of incoming cables or outlet are encapsulation processing, and encapsulation thickness is not less than 3mm, and epoxy resin 6101 is generally used in encapsulation agent, encapsulation surfacing is without starved, without depression, flawless and bubble, and this encapsulation agent meets the heat-resisting low temperature resistant test of GB3836.1 the 26.8th chapter and the 26.9th chapter regulation.
As shown in Figure 3, explosion-proof indicating lamp 5 adopts the no-spark pouring type of holding concurrently, lamp holder 17 parts are nA Non-spark, degree of protection is IP54, cast aluminum casings 18 adopts aluminum process to make, in material, magnesium and titanium total content are not more than 7.5%, and thickness is 3mm, and cast aluminum casings 18 back panel wiring parts adopt epoxide-resin glue encapsulation.
As shown in Figure 4, explosion-proof temperature detect switch (TDS) 7 adopts the flame proof pouring type of holding concurrently, filling epoxy resin glue encapsulation processing between explosion-proof shell 19 inwalls and copper sheathing 21, wire, explosion-proof temperature switch explosion-proof shell 19 thickness are not less than 3mm, material is stainless steel, and copper sheathing 21 is located at explosion-proof shell 19 inside, and material is brass, diameter poor (being gap of flameproof joint) between temperature detect switch (TDS) axle 22 and copper sheathing 21 is less than or equal to 0.20mm, and composition surface minimum length L is 13mm.It between copper sheathing 21 and shell, is interference fit.
Like this, when anti-explosion electric deep fat spit of fland, direct contact explositions hazardous gas also can not set off an explosion, and is suitable for the place heating that contains explosion risk gas.
Claims (7)
1. an explosion-proof electric oil spit of fland, it is characterized in that: comprise fin, explosion-proof electric heating pipe, conduction oil that cover body, sheet metal be welded, be arranged at circuit board, explosion-proof indicating lamp and explosion-proof temperature detect switch (TDS) in explosion-proof electrification junction box, in the thermal conductive cavity of fin bottom, explosion-proof electric heating pipe is set, the inner conduction oil of filling of fin, explosion-proof electric heating pipe connects the circuit board in explosion-proof electrification junction box by wire, and circuit board connects explosion-proof indicating lamp and explosion-proof temperature detect switch (TDS).
2. explosion-proof electric oil according to claim 1 spit of fland, it is characterized in that: described explosion-proof electrification junction box comprises upper shell and lower house, upper shell and lower house snap together, form circuit board container cavity and wire cavity, between circuit board container cavity and wire cavity, be communicated with by wire guide, the amalgamation portion that upper shell and lower house piece together circuit board container cavity place is reserved with fairlead, fairlead place is provided with INCREASEDSAFETY thread guide devices, wire is exported by wire cavity, is filled with epoxy resin colloid between wire cavity inwall and wire.
3. explosion-proof electric oil according to claim 2 spit of fland, it is characterized in that: described explosion-proof indicating lamp comprises Non-spark lamp holder, lamp holder end connects cast aluminum casings, connects the wire of lamp holder through cast aluminum casings inside, filling epoxy resin colloid between cast aluminum casings inwall and wire.
4. explosion-proof electric oil according to claim 3 spit of fland, it is characterized in that: described explosion-proof temperature detect switch (TDS) comprises " protruding " shape stainless steel explosion-proof shell, explosion-proof shell top is reserved with defeated line hole, in explosion-proof shell, be provided with temperature detect switch (TDS), the peripheral pouring of temperature detect switch (TDS) has copper sheathing, temperature detect switch (TDS) shaft extension goes out explosion-proof shell outside, between copper sheathing and temperature detect switch (TDS) axle, form explosion suppresion surface, on copper sheathing, be reserved with wire hole, the wire that connects temperature detect switch (TDS) is exported by wire hole and defeated line hole, filling epoxy resin colloid between explosion-proof shell inwall and copper sheathing, wire.
5. explosion-proof electric oil according to claim 4 spit of fland, is characterized in that: the gap of above-mentioned explosion suppresion surface is less than or equal to 0.2mm, and the length of explosion suppresion surface is 13mm.
6. explosion-proof electric oil according to claim 5 spit of fland, is characterized in that: above-mentioned epoxide-resin glue body thickness is more than or equal to 3mm, and colloid surface is smooth.
7. explosion-proof electric oil according to claim 6 spit of fland, is characterized in that: above-mentioned wire all adopts without the rubber sheath flexible cable of node or neoprene sheath soft cable, and the cross-sectional area of cable is more than or equal to 6mm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885510.2U CN203687164U (en) | 2013-12-31 | 2013-12-31 | Explosion-proof electrical oil heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885510.2U CN203687164U (en) | 2013-12-31 | 2013-12-31 | Explosion-proof electrical oil heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203687164U true CN203687164U (en) | 2014-07-02 |
Family
ID=51009054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320885510.2U Expired - Fee Related CN203687164U (en) | 2013-12-31 | 2013-12-31 | Explosion-proof electrical oil heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203687164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240974A (en) * | 2015-10-29 | 2016-01-13 | 青岛海尔空调器有限总公司 | Radiation air conditioner and auxiliary heating device thereof |
-
2013
- 2013-12-31 CN CN201320885510.2U patent/CN203687164U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240974A (en) * | 2015-10-29 | 2016-01-13 | 青岛海尔空调器有限总公司 | Radiation air conditioner and auxiliary heating device thereof |
| CN105240974B (en) * | 2015-10-29 | 2019-07-02 | 青岛海尔空调器有限总公司 | Radiation air-conditioner and its auxiliary heating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203687164U (en) | Explosion-proof electrical oil heater | |
| JP3198700U (en) | PTC heater | |
| CN201846489U (en) | Heating rod of water heater | |
| CN202771964U (en) | Explosion-proof dry-type capacitor for lamps | |
| WO2024007524A1 (en) | Plasma needle, burner assembly, and electric flame stove | |
| CN203165601U (en) | Flame-proof and explosion-proof piezoresistor | |
| CN209910386U (en) | High-temperature electrical heating furnace | |
| CN203110936U (en) | Anti-explosion accelerator | |
| CN208638747U (en) | A kind of mineral insulation heating cable connector | |
| RU135776U1 (en) | HEATER | |
| CN203421723U (en) | Multifunctional cigarette lighter | |
| CN208983611U (en) | A kind of explosion-proof electric heating heat-conducting oil furnace | |
| CN205207036U (en) | Internal -combustion engine heating device | |
| CN201134939Y (en) | Explosion-proof reinforced metallic heater | |
| CN203931988U (en) | SMD fuse | |
| CN211451126U (en) | Explosion-proof pedal electric heater | |
| CN210610222U (en) | Explosion-proof tin SMT chip mounter for silicon-based microphone | |
| CN207968994U (en) | A kind of electrothermal tube | |
| CN201465808U (en) | Unthreaded terminal mechanical explosion protection dry capacitor | |
| CN208445778U (en) | A kind of barbecue rack waterproof electric heating pipe | |
| CN204229875U (en) | Flat type compensating wire | |
| CN206728317U (en) | Novel baking oven electric-heating assembly and new electrically heating baking box | |
| CN214841661U (en) | Electric water heater with oil isolation heating | |
| RU135212U1 (en) | CONVECTIVE HEATING DEVICE | |
| CN205726479U (en) | Super bath metal PTC heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20201231 |