CN206513527U - A kind of compressor Anti-explosive oil heater - Google Patents
A kind of compressor Anti-explosive oil heater Download PDFInfo
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- CN206513527U CN206513527U CN201720159848.8U CN201720159848U CN206513527U CN 206513527 U CN206513527 U CN 206513527U CN 201720159848 U CN201720159848 U CN 201720159848U CN 206513527 U CN206513527 U CN 206513527U
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- joint
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- temperature controller
- oil heater
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Abstract
A kind of compressor Anti-explosive oil heater, compressor block is provided with the heater installation slotted eye to the closing for stretching into compressor inner chamber, heater installation slotted eye openend is provided with internal thread and is bolted with joint, joint uses flame proof thread sealing structure with heater installation slotted eye, outer convex edge of the middle part of joint provided with annular, the inside of joint is provided with through hole；Protective case is bolted with the outside of joint outer end, and protective case is that be spirally connected setting clamp nut is provided with screw thread, protective case outer end endoporus in tubular structure and two ends endoporus；Resistance wire component is provided with inner via hole; temperature controller is provided with accessibke porosity; after the binding post of resistance wire component is connected by wire with temperature controller; after binding post is connected with wire, temperature controller; seal structure is poured using the explosion-proof of epoxy resin encapsulation in accessibke porosity, the wire of extraction is drawn after passing through the axially extending bore of protection rubber ring and clamp nut.The utility model designs and increased reliable flame proof measure by Rational structure, and security reliability is high.
Description
Technical field
The utility model is related to a kind of compressor Anti-explosive oil heater.
Background technology
At present, oil heater is a part of compressor, and the normal startup for compressor serves critical work
With.Compressor is widely used in petroleum chemical industry, food processing, air conditioner refrigerating row as the core and heart of refrigeration system
The automated manufacturing such as industry, textile machine, pharmaceutical equipment field.Common oil heater is reliable explosion-proof because lacking to explosive gas
Measure, in operation wire can produce electric spark, heating tube can produce dangerous temperature, if surrounding have explosive gas or flammable
Property dust, there is potential safety hazard, and then the danger outside easily triggering.Therefore, common oil heater is not because possessing explosion-proof work(
Can and cannot be used for the hazardous area that there is explosive gas.
Utility model content
The utility model provides a kind of compressor Anti-explosive oil heater, can there is flammable explosive gas and powder around
Used in the hazardous environment of dirt, and it is safe and reliable.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：A kind of compressor is added with explosion-proof oil
Hot device, compressor block is provided with the heater installation slotted eye to the closing for stretching into compressor inner chamber, and heater installation slotted eye is opened
Mouthful end is provided with internal thread and is bolted with joint, and joint and heater installation slotted eye use flame proof thread sealing structure, joint it is interior,
The outer tube wall of outer end is provided with screw thread, and outer convex edge of the middle part provided with annular of joint, the inside of joint is provided with through hole, in addition convex edge
Through hole is divided into the inner via hole and accessibke porosity of docking for boundary by outside, and the diameter of inner via hole is less than the diameter of accessibke porosity；Outside joint
Protective case is bolted with the outside of end, protective case is that spiral shell in screw thread, protective case outer end endoporus is provided with tubular structure and two ends endoporus
Connect and axially extending bore is provided with inside setting clamp nut, clamp nut；Interior convex edge of the middle part of protective case endoporus provided with annular, convex
Protection rubber ring is arranged with edge, joint outer end is acted against on the protection rubber ring of convex laterally；Resistance is provided with inner via hole
Temperature controller is provided with silk component, accessibke porosity, after the binding post of resistance wire component is connected by wire with temperature controller, binding post is with leading
After line, temperature controller connection, seal structure is poured using the explosion-proof of epoxy resin encapsulation in accessibke porosity, the wire of extraction passes through protection rubber
Drawn after the axially extending bore of cushion rubber and clamp nut.
The diameter of joint outer end portion is more than the diameter of inner end portion.
Clamp nut the inner is provided with the annular back-up ring to central protuberance, and back-up ring diameter of bore is less than the interior of protection rubber ring
Bore dia.
Section is arranged with interior convex edge for U-shaped protection rubber ring.
The heater installation slotted eye of joint and compressor housing uses flame proof thread sealing structure, and the cooperation of flame proof thread is accorded with
Close：Accuracy of thread is 6g, 6H；Pitch≤2mm；Effective joggle number ＞ 5 is detained；Length of action ＞ 9mm.
Temperature controller is limited warm temperature controller, and limitation heating-up temperature, which is higher than after 60 DEG C, to be disconnected.
The explosion-proof of epoxy resin encapsulation pours seal structure, and encapsulation thickness everywhere is not less than at 3mm, wire not less than 10mm.
Wire pitch is not less than 3mm, and wire is not less than 5mm with shell spacing.
The utility model is designed by Rational structure and increases reliable flame proof measure, oil heater is arranged on compressor
Explosion separation structure is monolithically fabricated after upper, contact of the electric spark with hazardous gas can be prevented effectively from, and limit oil heater most
High surface temperature, it is to avoid the generation of explosion accident, has thus widened the use scope of oil heater, can be in fiery gas
Used in the hazardous environment of body or combustible dust, and security reliability is high.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment：As shown in figure 1, a kind of compressor Anti-explosive oil heater, compressor block 11 is provided with to stretching into pressure
The heater installation slotted eye of the closing of contracting machine inner chamber 10, heater installation slotted eye openend is provided with internal thread and is bolted with joint 2,
Joint 2 uses flame proof thread sealing structure with heater installation slotted eye, and the outer tube wall at the inside and outside end of joint 2 is provided with screw thread, connect
Outer convex edge of first 2 middle part provided with annular, the inside of joint 2 is provided with through hole, is in addition divided into through hole pair for boundary on the outside of convex edge
The inner via hole and accessibke porosity connect, the diameter of inner via hole is less than the diameter of accessibke porosity；Joint 2 is bolted with protective case 6 on the outside of outer end,
Protective case 6 is that the setting clamp nut 5 that is spirally connected is provided with screw thread, the outer end endoporus of protective case 6 in tubular structure and two ends endoporus, is compressed
The inside of nut 5 is provided with axially extending bore；Protection rubber is arranged with interior convex edge of the middle part of the endoporus of protective case 7 provided with annular, interior convex edge
Cushion rubber 6, the outer end of joint 2 is acted against on the protection rubber ring 5 of convex laterally；Resistance wire component 9, accessibke porosity are provided with inner via hole
It is interior to be provided with temperature controller 8, after the binding post 3 of resistance wire component 9 is connected by wire 4 with temperature controller 8, binding post 3 and wire 4, temperature
Control after the connection of device 8, seal structure is poured using the explosion-proof of epoxy resin encapsulation in accessibke porosity, the wire of extraction passes through protection rubber ring
6 and clamp nut 5 axially extending bore after draw.
The diameter of the outer end portion of joint 2 is more than the diameter of inner end portion.
The inner annular back-up ring being provided with to central protuberance of clamp nut 5, back-up ring diameter of bore is less than protection rubber ring 6
Diameter of bore.
Section is arranged with interior convex edge for U-shaped protection rubber ring 6.
The heater installation slotted eye of joint and compressor housing uses flame proof thread sealing structure, and the cooperation of flame proof thread is accorded with
Close：Accuracy of thread is 6g, 6H；Pitch≤2mm；Effective joggle number ＞ 5 is detained；Length of action ＞ 9mm.
Temperature controller is limited warm temperature controller, and limitation heating-up temperature, which is higher than after 60 DEG C, to be disconnected.
The explosion-proof of epoxy resin encapsulation pours seal structure, and encapsulation thickness everywhere is not less than at 3mm, wire not less than 10mm.
Wire pitch is not less than 3mm, and wire is not less than 5mm with shell spacing.
In real work, installed due to Anti-explosive oil heater and be monolithically fabricated explosion separation structure afterwards on the compressor, it is explosive
Gas and dust cannot be introduced into heater, so that explosion danger is avoided, while by rational structure design, making dangerous temperature
It is controlled there is provided multiple safeguard, security reliability is high.The Anti-explosive oil heater is entirely through isolation spark and limit
The technological processing for explosion protection feature of temperature processed, can realize that compressor oil temperature is heated in explosion hazard area, thus widen making for oil heater
With scope, it can be widely used in and exist in explosive gas and dust hazard place, can also be applied to explosion-proof, petrochemical industry, sky
Among particular job occasions such as the cold, mine of modulation or harsh environments.
Claims (7)
1. a kind of compressor Anti-explosive oil heater, it is characterised in that：Compressor block is provided with to stretching into compressor inner chamber
The heater installation slotted eye of closing, heater installation slotted eye openend is provided with internal thread and is bolted with joint, joint and heater
Installation slotted eye uses flame proof thread sealing structure, and the outer tube wall at the inside and outside end of joint is provided with screw thread, and the middle part of joint is provided with ring
The outer convex edge of shape, the inside of joint is provided with through hole, and through hole is divided into the inner via hole of docking and outer logical for boundary on the outside of convex edge in addition
Hole, the diameter of inner via hole is less than the diameter of accessibke porosity；Be bolted with protective case on the outside of joint outer end, protective case be tubular structure and
It is provided with the endoporus of two ends in screw thread, protective case outer end endoporus inside the setting clamp nut that is spirally connected, clamp nut and is provided with axially extending bore；
Protection rubber ring is arranged with interior convex edge of the middle part of protective case endoporus provided with annular, interior convex edge, joint outer end acts against convex
On protection rubber ring laterally；It is provided with resistance wire component, accessibke porosity in inner via hole and is provided with temperature controller, resistance wire component connects
After terminal is connected by wire with temperature controller, after binding post is connected with wire, temperature controller, poured in accessibke porosity using epoxy resin
The explosion-proof of envelope pours seal structure, and the wire of extraction is drawn after passing through the axially extending bore of protection rubber ring and clamp nut.
2. compressor Anti-explosive oil heater according to claim 1, it is characterised in that：The diameter of joint outer end portion is big
In the diameter of inner end portion.
3. compressor Anti-explosive oil heater according to claim 2, it is characterised in that：Clamp nut the inner is provided with
The annular back-up ring that cardiac prominence rises, back-up ring diameter of bore is less than the diameter of bore of protection rubber ring.
4. compressor Anti-explosive oil heater according to claim 3, it is characterised in that：Being arranged with section on interior convex edge is
U-shaped protection rubber ring.
5. compressor Anti-explosive oil heater according to claim 4, it is characterised in that：Joint and compressor housing plus
Hot device installation slotted eye uses flame proof thread sealing structure, and the cooperation of flame proof thread meets：Accuracy of thread is 6g, 6H；Pitch≤
2mm；Effective joggle number ＞ 5 is detained；Length of action ＞ 9mm.
6. compressor Anti-explosive oil heater according to claim 5, it is characterised in that：Temperature controller is limited warm temperature controller,
Limit heating-up temperature and be higher than disconnection after 60 DEG C.
7. compressor Anti-explosive oil heater according to claim 6, it is characterised in that：The explosion-proof of epoxy resin encapsulation is poured
Seal structure, encapsulation thickness everywhere is not less than at 3mm, wire not less than 10mm；Wire pitch is not less than 3mm, wire and shell
Spacing is not less than 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720159848.8U CN206513527U (en) | 2017-02-22 | 2017-02-22 | A kind of compressor Anti-explosive oil heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720159848.8U CN206513527U (en) | 2017-02-22 | 2017-02-22 | A kind of compressor Anti-explosive oil heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513527U true CN206513527U (en) | 2017-09-22 |
Family
ID=59868590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720159848.8U Active CN206513527U (en) | 2017-02-22 | 2017-02-22 | A kind of compressor Anti-explosive oil heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207345A (en) * | 2019-05-24 | 2019-09-06 | Tcl空调器(中山)有限公司 | Electric heating device and air-conditioning |
-
2017
- 2017-02-22 CN CN201720159848.8U patent/CN206513527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207345A (en) * | 2019-05-24 | 2019-09-06 | Tcl空调器(中山)有限公司 | Electric heating device and air-conditioning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 473000 No.1 Industrial Park, high tech Zone, Nanyang City, Henan Province Patentee after: Nanyang Zhongtian explosion proof Electric Co.,Ltd. Address before: 473000 No.1 Industrial Park, high tech Zone, Nanyang City, Henan Province Patentee before: NANYANG ZHONGTIAN EXPLOSION-PROOF ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |