CN209575599U - A kind of railway fire line cold-proof electric heater - Google Patents
A kind of railway fire line cold-proof electric heater Download PDFInfo
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- CN209575599U CN209575599U CN201920204975.4U CN201920204975U CN209575599U CN 209575599 U CN209575599 U CN 209575599U CN 201920204975 U CN201920204975 U CN 201920204975U CN 209575599 U CN209575599 U CN 209575599U
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- fire line
- stainless steel
- electric heater
- snap ring
- cold
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Abstract
The utility model discloses a kind of railway fire line cold-proof electric heaters, it include: heating element and fixture, the heating element includes stainless steel sheath and electric heating core, the electric heating core protrudes into the stainless steel sheath, and conductive filler layer is equipped between the electric heating core and the inner wall of stainless steel sheath；The upper end of the stainless steel sheath is equipped with the cold end connector for connecting electric heating core and external cable；The fixture includes snap ring and locking assembly, several card slots for being clamped to heating element on pipeline outer wall is formed on the inside of the snap ring, and two free ends of the snap ring are locked by locking assembly.Beneficial effect is: heating element is conducted to liquid in pipeline by external cable heating power, by heat, cooperates pipeline outer heat insulation layer, compensates and fluid temperature in pipeline is kept to reach design temperature level, thus to fire-fighting pipeline protection.
Description
Technical field
The utility model relates to railway fire-fighting domains, and in particular to a kind of railway fire line cold-proof electric heater.
Background technique
After severe cold area enters autumn and winter, fire line is easy to happen freeze injury, influences fire fighting supply, and it is hidden to generate safety
Suffer from, will cause serious consequence.And for the antifreeze of fire line, there is presently no good safeguard procedures, make when encountering fire-fighting
When industry, the case where always will appear fire line cisco unity malfunction, strong influence is caused to fire-fighting operation.
Summary of the invention
The purpose of this utility model be that solve the above-mentioned problems and provide a kind of cold-proof electricity of railway fire line plus
Thermal can heat fire line, meet the actual requirement of severe cold area autumn and winter railway fire line frost damage prevention.
The utility model achieves the above object through the following technical schemes:
A kind of railway fire line cold-proof electric heater, comprising:
Heating element, the heating element include stainless steel sheath and electric heating core, and the electric heating core protrudes into described
In stainless steel sheath, and conductive filler layer is equipped between the electric heating core and the inner wall of stainless steel sheath；It is described stainless
The upper end of steel sheath is equipped with the cold end connector for connecting electric heating core and external cable；
Fixture, the fixture include snap ring and locking assembly, several are formed on the inside of the snap ring and is used for heating unit
Part is clamped to the card slot on pipeline outer wall, and two free ends of the snap ring are locked by locking assembly.
Using above technical scheme, which when in use, is fixed heating element by fixture and is attached to pipe
On the outer wall in road, and heat is conducted to liquid in pipeline, is protected outside cooperation pipeline by heating element by external cable heating power
Warm layer compensates and fluid temperature in pipeline is kept to reach design temperature level.And the design of fixture, installation can be facilitated, prevented
Heating element damage falls off, and it can be made to be adjacent to extinguishing pipe and arrived, and reaches good heating effect；Specifically, by fixture
Heating element is clamped between fire protection pipeline and snap ring by card slot, is then locked snap ring using locking assembly.
The two sides of the design important as this case, the electric heating core are respectively equipped with plain conductor, for automatically adjusting
Temperature.When environment temperature increases, plain conductor resistance value rises, and electric current reduces, and the heat of generation is reduced, and environment temperature increases
To certain value, electric current is minimized value, and the heat that heating element generates is close to zero.If environment temperature reduces, plain conductor electricity
Resistance value can decline, and electric current becomes larger, and the heat of generation increases, so as to realize the function of automatic adjustment heating temperature.
Preferably, the stainless steel sheath is the composite structure of two sections of different-diameter cylinders, this two cylindrical section passes through circle
Arc connection, and upper section drum diameter is greater than lower section drum diameter.
Preferably, the stainless steel sheath thickness is more than or equal to 0.45mm.
Preferably, the junction melting welding of the electric heating core and extraneous cable is fixed on cold end connector, and cold
Terminal adapter is sealed with high-temperature insulation resin sealer.
Preferably, the conductive filler layer uses high purity magnesium oxide as packing material, using high purity magnesium oxide
As packing material, there is electrical insulating property, heat conduction efficiency is high, and energy conservation and environmental protection, stability is good, cheap.
Preferably, the electric heating core uses nichrome heating wire for heater material, do not allow under applied at elevated temperature
Easily-deformable, structure not malleable, plasticity is preferable, Yi Xiufu, and radiance is high, and nonmagnetic, corrosion resistance is strong, service life
It is long.
Preferably, the locking assembly includes lock and locking member, the lock includes tight lock part and interconnecting piece, described
One free end of snap ring and the interconnecting piece of lock connect；Another free end of the snap ring is protruded into interconnecting piece, and the free end
Equipped with several parallel card holes, the locking member is connect with tight lock part, and the locking member and card hole cooperate two free ends lockings
It is fixed.
Preferably, the heating element set there are two, three, four or six.
Beneficial effect is: the heating device uses the combination of heating element and fixture, and wherein fixture can be by heating unit
Part card is attached on the outer wall of fire protection pipeline, and heat is conducted to liquid in pipeline by external cable heating power by heating element,
Cooperate pipeline outer heat insulation layer, compensate and fluid temperature in pipeline is kept to reach design temperature level, thus to fire-fighting pipeline protection,
It can make fire protection pipeline that can also work normally use in severe winter.And the heating device also sets up temperature automatic adjustment structure, just
It is easy to use in adjusting heating temperature.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structure chart of the heating element of the utility model；
Fig. 2 is the fixture structure figure of the utility model；
Fig. 3 is the structure chart of the wherein free end Fig. 2；
Fig. 4 is the heating element structure figure that the utility model increases plain conductor；
Fig. 5 is the utility model to pipeline heating method one；
Fig. 6 is the utility model to pipeline heating method two；
Fig. 7 is the utility model to pipeline heating method three；
Fig. 8 is the utility model to pipeline heating method four；
Fig. 9 is the utility model temperature control flow figure.
The reference numerals are as follows:
1, heating element；101, stainless steel sheath；102, electric heating core；103, conductive filler layer；104, cold end connects
Device；105, external cable；106, plain conductor；2, fixture；201, snap ring；202, card slot；203, locking assembly；203a, lock；
203b, locking member；3, pipeline.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Referring to shown in Fig. 1-Fig. 8, the utility model provides a kind of railway fire line cold-proof electric heater, including adds
Thermal element 1 and fixture 2.The heating element 1 includes stainless steel sheath 101 and electric heating core 102, the electric heating core
102 protrude into the stainless steel sheath 101, and are equipped between the electric heating core 102 and the inner wall of stainless steel sheath 101
Conductive filler layer 103, the conductive filler layer 103, as packing material, have electrical insulating property, heat transfer using high purity magnesium oxide
It is high-efficient, heat caused by electric heating core 102 can be conducted.The upper end of the stainless steel sheath 101 is equipped with for connecting
The cold end connector 104 of electric heating core 102 and external cable 105, electric heating core 102 and 105 junction of external cable are real
It applies melting welding to fix, avoids the insulation performance for destroying electric heater because of its leakage；And cold end connector 104 is with high-temperature insulation tree
Rouge sealant sealing, it is preferred that heatproof >=200 DEG C；Impermeable under Long-term Vibration, degree of protection meets IP66 standard.It is described
Fixture 2 includes snap ring 201 and locking assembly 203, and the inside of the snap ring 201 forms several for pressing from both sides heating element 1
The card slot 202 being tightened on 3 outer wall of pipeline, wherein the quantity of card slot 202 is corresponding with the quantity of heating element 1, and the two can
It cooperates.Two free ends of the snap ring 201 are locked by locking assembly 203, which facilitates installation, prevents heating unit
The damage of part 1 falls off, and it can be made to be adjacent to fire line, reaches good heating effect.
Using above technical scheme, which fixes heating element 1 and attaches when in use, by fixture 2
On the outer wall of pipeline 3, and heat is conducted to liquid in pipeline 3, is matched by heating element 1 by 105 heating power of external cable
3 outer heat insulation layer of pipeline is closed, compensate and fluid temperature in pipeline 3 is kept to reach design temperature level.And the design of fixture 2, it can
Facilitate installation, prevents the damage of heating element 1, falls off, and it can be made to be adjacent to extinguishing pipe and arrived, reach good heating effect；Specifically
, heating element 1 is clamped between fire protection pipeline 3 and snap ring 201 by the card slot 202 on fixture 2, then uses locking group
Part 203 locks snap ring 201.
As this case preferred embodiment, the two sides of the electric heating core 102 are respectively equipped with plain conductor 106, use
In automatic adjustment temperature.When environment temperature increases, 106 resistance value of plain conductor rises, and electric current reduces, and the heat of generation subtracts
Few, environment temperature is increased to certain value, and electric current is minimized value, and the heat of the generation of heating element 1 is close to zero.If environment temperature
It reduces, 106 resistance value of plain conductor can decline, and electric current becomes larger, and the heat of generation increases, so as to realize automatic adjustment heating
The function of temperature.Further, which can also be used cooperatively with temperature sensor.
The stainless steel sheath 101 is the composite structure of two sections of different-diameter cylinders, this two cylindrical section passes through circular sliding slopes,
And upper section drum diameter is greater than lower section drum diameter.101 thickness of stainless steel sheath is more than or equal to 0.45mm, which is convenient for
It is clamped on pipeline 3 using fixture, and the thickness of stainless steel sheath 101 can guarantee its service life.
The junction melting welding of the electric heating core 102 and extraneous cable is fixed on cold end connector 104, and cold end connects
It connects device 104 to be sealed with high-temperature insulation resin sealer, the end of cold end connector 104 can be sealed, avoid seeping water.
The conductive filler layer 103, as packing material, is used as using high purity magnesium oxide and is filled out using high purity magnesium oxide
Material is filled, there is electrical insulating property, heat conduction efficiency is high, and energy conservation and environmental protection, stability is good, cheap.The electric heating core 102
It using nichrome heating wire for heater material, is not easy to deform under applied at elevated temperature, structure not malleable, plasticity is preferable,
It easily repairs, radiance is high, and nonmagnetic, corrosion resistance is strong, long service life.The locking assembly 203 include lock 203a and
Locking member 203b, the lock 203a include tight lock part and interconnecting piece, a free end of the snap ring 201 and the company of lock 203a
Socket part connection；Another free end of the snap ring 201 is protruded into interconnecting piece, and the free end is equipped with several parallel card holes, institute
It states locking member 203b to connect with tight lock part, locking member 203b cooperates with card hole is locked two free ends.
The heating element 1 set there are two, three, four or six, as shown in Figure 5-Figure 8, varying environment can be suitble to
Under fire protection pipeline 3 heat.
It should be further noted that as shown in figure 9, the electric heater unit uses temperature sensor temperature collection, realization
To the control to heat.When minimum temperature of the environment temperature lower than setting, it is initially powered up electric heating, as heating temperature increases, is led to
Itself adjusting for heating element 1 is crossed, heating power reduces, and when temperature is higher than the maximum temperature of setting, then stops heating.It is logical
The acquisition of electric heater itself adjusted with temperature is crossed, computer heating control may be implemented electric heater and heat automatically, reach heating railway
The working effect of fire line, moreover it is possible to prevent temperature is excessively high from causing security risk, effective energy conservation improves working efficiency.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (9)
1. a kind of railway fire line cold-proof electric heater characterized by comprising
Heating element, the heating element include stainless steel sheath and electric heating core, and the electric heating core protrudes into described stainless
In steel sheath, and conductive filler layer is equipped between the electric heating core and the inner wall of stainless steel sheath；The stainless steel shield
The upper end of set is equipped with the cold end connector for connecting electric heating core and external cable；
Fixture, the fixture include snap ring and locking assembly, several are formed on the inside of the snap ring for pressing from both sides heating element
The card slot being tightened on pipeline outer wall, and two free ends of the snap ring are locked by locking assembly.
2. a kind of railway fire line cold-proof electric heater according to claim 1, which is characterized in that the electric heating wire
The two sides of core are respectively equipped with plain conductor, for automatically adjusting temperature.
3. a kind of railway fire line cold-proof electric heater according to claim 1, which is characterized in that the stainless steel shield
Set is the composite structure of two sections of different-diameter cylinders, this two cylindrical section is by circular sliding slopes, and upper section drum diameter is greater than lower section
Drum diameter.
4. a kind of railway fire line cold-proof electric heater according to claim 2, which is characterized in that the stainless steel shield
It covers thickness and is more than or equal to 0.45mm.
5. a kind of railway fire line cold-proof electric heater according to claim 1, which is characterized in that the electric heating wire
The junction melting welding of core and extraneous cable is fixed on cold end connector, and cold end connector is close with high-temperature insulation resin sealer
Envelope.
6. a kind of railway fire line cold-proof electric heater according to claim 1, which is characterized in that the conductive filler
Layer is using high purity magnesium oxide as packing material.
7. a kind of railway fire line cold-proof electric heater according to claim 6, which is characterized in that the electric heating wire
Core uses nichrome heating wire for heater material.
8. a kind of railway fire line cold-proof electric heater according to claim 1, which is characterized in that the locking assembly
Including lock and locking member, the lock includes tight lock part and interconnecting piece, a free end of the snap ring and the interconnecting piece of lock
Connection；Another free end of the snap ring is protruded into interconnecting piece, and the free end is equipped with several parallel card holes, the locking member
It is connect with tight lock part, which cooperates with card hole is locked two free ends.
9. a kind of railway fire line cold-proof electric heater according to claim 1, which is characterized in that the heating element
There are two if, three, four or six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204975.4U CN209575599U (en) | 2019-02-18 | 2019-02-18 | A kind of railway fire line cold-proof electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204975.4U CN209575599U (en) | 2019-02-18 | 2019-02-18 | A kind of railway fire line cold-proof electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209575599U true CN209575599U (en) | 2019-11-05 |
Family
ID=68354505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920204975.4U Active CN209575599U (en) | 2019-02-18 | 2019-02-18 | A kind of railway fire line cold-proof electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209575599U (en) |
-
2019
- 2019-02-18 CN CN201920204975.4U patent/CN209575599U/en active Active
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200702 Address after: 110013 4-3, Jing bin street, Shenhe District, Shenyang City, Liaoning province (1-7 level) Patentee after: Shenyang Railway Science and Technology Research Institute Co.,Ltd. Address before: No.4-3 Jingbin street, Shenhe District, Shenyang City, Liaoning Province Patentee before: Science and Technology Institute of China Railway Shenyang Bureau Group Co.,Ltd. |