CN211128238U - Sand spreading unit heater of sand spreading device of railway vehicle - Google Patents
Sand spreading unit heater of sand spreading device of railway vehicle Download PDFInfo
- Publication number
- CN211128238U CN211128238U CN201922490206.8U CN201922490206U CN211128238U CN 211128238 U CN211128238 U CN 211128238U CN 201922490206 U CN201922490206 U CN 201922490206U CN 211128238 U CN211128238 U CN 211128238U
- Authority
- CN
- China
- Prior art keywords
- heat
- ptc heating
- stainless steel
- heat conduction
- pipe
- 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.)
- Active
Links
Images
Landscapes
- Resistance Heating (AREA)
Abstract
In order to solve the problems of complex structure, easy damage, short service life, power consumption and high cost of the sanding unit heater of the rail vehicle sanding device in the prior art, the utility model provides a sanding unit heater of the rail vehicle sanding device, which comprises a PTC heating element, heat-conducting silica gel, a heat-conducting pipe, a fixed seat with an insulating sealing body and a cable; the heat conduction pipe is a hollow shell, the PTC heating element is positioned in the shell, and heat conduction silica gel is arranged between the heat conduction pipe and the PTC heating element; the PTC heating body, the heat conducting silica gel and the heat conducting pipe are fixedly connected in sequence; the cross section of the heat conduction pipe is smaller than that of the fixed seat with the insulating seal body, and the heat conduction pipe and the fixed seat are fixedly connected in the length direction; the fixed seat with the insulation seal body is provided with an inner cavity communicated with the heat conduction pipe, the cable is arranged in the inner cavity of the fixed seat with the insulation seal body, and the cable is electrically connected with the PTC heating body; the utility model has the advantages of simple structure, not fragile, the thermal resistance is little, heat exchange efficiency is high, energy-concerving and environment-protective, with low costs.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle sanding equipment, concretely relates to sanding device sanding unit heater.
Background
When the rail vehicle runs, the influence of rain and snow weather is caused, sliding is easy to occur, and potential safety hazards are caused. The sanding device is used for sanding between the rail and the wheel, so that the adhesive force is increased, and the vehicle is prevented from sliding. However, the sand in the sand box of the sanding device is bonded due to moisture, and the sanding work is affected. The heater of the sanding unit of the sanding device is used for drying gravel in the sand box.
At present, a heater of a sanding unit of a rail vehicle sanding device usually adopts a resistance wire type heater, has the characteristic of constant power, and has the disadvantages that the temperature can be continuously increased in a closed space, so that the heater is overheated and damaged, and the service life is short; the continuous heating of the heater also causes the waste of energy; in addition, the existing heater is provided with a special temperature controller, a thermal resistance thermocouple and other temperature sensors for temperature feedback, and has a complex structure and high cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the problem of among the prior art rail vehicle sanding device sanding unit heater structure complicated, fragile, short-lived, power consumptive, with high costs is solved.
The utility model provides a sanding unit heater of a rail vehicle sanding device, which comprises a PTC heating element, heat-conducting silica gel, a heat-conducting pipe, a fixed seat with an insulating sealing body and a cable; the heat conduction pipe is a hollow cylinder, the PTC heating element is positioned in the heat conduction pipe, and heat conduction silica gel is arranged between the heat conduction pipe and the PTC heating element; the PTC heating body, the heat conducting silica gel and the heat conducting pipe are fixedly connected; the fixed seat with the insulating seal body is a cylinder coaxial with the heat conducting pipe, the diameter of the heat conducting pipe is smaller than that of the fixed seat with the insulating seal body, and the end parts of the heat conducting pipe and the fixed seat with the insulating seal body are fixedly connected; the inner cavity of the fixed seat with the insulation seal body is communicated with the inner cavity of the heat conduction pipe, the cable is arranged in the inner cavity of the fixed seat with the insulation seal body, and the cable is electrically connected with the PTC heating body.
Further, the PTC heating body comprises a PTC sheet, a stainless steel sheet, a polyimide insulating tape and a corrugated aluminum clamp; 2 stainless steel sheets are respectively positioned on two sides of the PTC sheet, one end of each stainless steel sheet is flush with one end of the PTC sheet, and the other end of each stainless steel sheet is longer than the PTC sheet; one polyimide insulating tape compresses and winds 2 stainless steel sheets and the PCT sheet along the outer side surface of the stainless steel sheet, the end surface of the stainless steel sheet, which is flush with the PTC sheet, and the outer side surface of the other stainless steel sheet in sequence; the corrugated aluminum clamp is clamped on the polyimide insulating adhesive tapes on the outer side surfaces of the 2 stainless steel sheets. The 2 stainless steel sheets are respectively the positive and negative electrodes and are electrically connected with the positive and negative electrodes of the cable.
Further, the PTC heating element is positioned at the axis of the heat conduction pipe.
Furthermore, the heat pipe and the fixing seat with the insulating sealing body are both made of stainless steel.
Further, the fixed connection between the heat conduction pipe and the fixing seat with the insulating seal body is a welding, crimping or integrated structure.
The sanding unit heater of the sanding device for the railway vehicle has the characteristics of simple structure and difficult damage, and the service life of the heater is far longer than that of other heaters; meanwhile, the heat resistance is small, the heat exchange efficiency is high, the utilization efficiency of electric energy is greatly improved, the electric energy consumption of the heater is optimally controlled to be minimum, and the energy-saving and environment-friendly effects are achieved; in addition, the cost is greatly reduced because no special temperature sensors such as a temperature controller and a thermal resistance thermocouple are needed.
Drawings
Fig. 1 is a structural diagram of a sanding unit heater of a rail vehicle sanding device according to the present invention;
FIG. 2 is a schematic structural view of the sanding unit of the sanding device installed on the rail vehicle of the present invention;
FIG. 3 is a structural view of the PTC heating element.
Labeled as:
1-PTC heating element; 2-heat conducting silica gel; 3-a heat conducting pipe; 4-a fixed seat with an insulating seal body; 5-a cable; 6-sanding unit mounting block; 7-PTC sheet; 8-stainless steel sheet; 9-polyimide insulating tape; 10-corrugated aluminum clamp.
Detailed Description
The sanding unit heater of the rail vehicle sanding device of the present invention will be further described with reference to the accompanying drawings 1-3:
as shown in fig. 1, the sanding unit heater of the rail vehicle sanding device of the present invention comprises a PTC heating element 1, a heat conductive silica gel 2, a heat conductive pipe 3, a fixing seat 4 with an insulation sealing body, and a cable 5; the heat conducting pipe 3 and the fixing seat 4 with the insulating sealing body are hollow cylinders made of stainless steel.
Wherein, PTC heat-generating body 1 is located the axle center department of heat pipe 3, fills heat conduction silica gel 2 between heat pipe 3 and the PTC heat-generating body 1, and PTC heat-generating body 1, heat conduction silica gel 2, 3 three length of heat pipe are the same. From the cross section of the fixing seat 4 with the insulating seal body, the PTC heating body 1, the heat conducting silica gel 2 and the heat conducting pipe 3 sequentially form an inner layer, a middle layer and an outer layer which are fixedly connected.
As shown in fig. 3, the PTC heating element 1 comprises a PTC sheet 7, a stainless steel sheet 8, a polyimide insulating tape 9 and a corrugated aluminum jig 10; 2 stainless steel sheets 8 are respectively positioned on two sides of the PTC sheet 7, one end of each stainless steel sheet 8 is flush with one end of the PTC sheet 7, and the other end of each stainless steel sheet 8 is longer than the PTC sheet 7, so that a positive electrode and a negative electrode are formed; a polyimide insulating tape 9 is used for tightly pressing and winding 2 stainless steel sheets 8 and the PCT sheet 7 along the outer side surface of the stainless steel sheet 7, the end surface of the stainless steel sheet 8, which is flush with the PTC sheet 7, and the outer side surface of the other stainless steel sheet in sequence; the corrugated aluminum fixture 10 is clamped on the polyimide insulating adhesive tape surface on the outer side surfaces of the 2 stainless steel sheets. The 2 stainless steel sheets are respectively electrically connected with the positive electrode and the negative electrode of the cable 5.
The diameter of the heat conduction pipe 3 is smaller than that of the fixed seat 4 with the insulation sealing body, and the heat conduction pipe and the fixed seat are fixedly connected in the length direction; the end of the heat conducting pipe 3 is welded on the end of the fixed seat 4 with the insulation seal body, and the fixed seat 4 with the insulation seal body is communicated with the inner cavity of the heat conducting pipe 3.
The cable 5 is arranged in the inner cavity of the fixing seat 4 with the insulating sealing body and is electrically connected with the PTC heating body.
The sanding unit heater of the sanding device for the railway vehicle has the characteristics of simple structure and difficult damage, and the service life of the heater is far longer than that of other heaters; meanwhile, the heat resistance is small, the heat exchange efficiency is high, the utilization efficiency of electric energy is greatly improved, the electric energy consumption of the heater is optimally controlled to be minimum, and the energy-saving and environment-friendly effects are achieved; in addition, the cost is greatly reduced because no special temperature sensors such as a temperature controller and a thermal resistance thermocouple are needed.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a rail vehicle sanding device sanding unit heater which characterized in that: the PTC heating element comprises a PTC heating element, heat-conducting silica gel, a heat-conducting pipe, a fixed seat with an insulating seal body and a cable; the heat conduction pipe is a hollow shell, the PTC heating element is positioned in the shell, and heat conduction silica gel is arranged between the heat conduction pipe and the PTC heating element; the PTC heating body, the heat conducting silica gel and the heat conducting pipe are fixedly connected in sequence; the cross section of the heat conduction pipe is smaller than that of the fixed seat with the insulating seal body, and the heat conduction pipe and the fixed seat are fixedly connected in the length direction; the fixing seat with the insulating seal body is provided with an inner cavity communicated with the heat conduction pipe, the cable is arranged in the inner cavity of the fixing seat with the insulating seal body, and the cable is electrically connected with the PTC heating body.
2. A rail vehicle sanding device sanding unit heater according to claim 1 wherein: further, the PTC heating body comprises a PTC sheet, a stainless steel sheet, a polyimide insulating tape and a corrugated aluminum clamp; 2 stainless steel sheets are respectively positioned on two sides of the PTC sheet, and one end of each stainless steel sheet is longer than the PTC sheet; one polyimide insulating tape compresses and winds 2 stainless steel sheets and the PCT sheet along the outer side surface of the stainless steel sheet, the end surface of the stainless steel sheet, which is flush with the PTC sheet, and the outer side surface of the other stainless steel sheet in sequence; the corrugated aluminum clamp is clamped on the polyimide insulating adhesive tapes on the outer side surfaces of the 2 stainless steel sheets; the 2 stainless steel sheets are respectively the positive and negative electrodes and are electrically connected with the positive and negative electrodes of the cable.
3. A rail vehicle sanding device sanding unit heater according to claim 1 wherein: the PTC heating body is positioned at the axis of the heat conducting pipe.
4. A rail vehicle sanding device sanding unit heater according to claim 2 wherein: the PTC heating body is positioned at the axis of the heat conducting pipe.
5. A rail vehicle sanding device sanding unit heater according to any one of claims 1-4 wherein: the heat conduction pipe and the fixing seat with the insulating sealing body are made of stainless steel.
6. A heater for a sanding unit of a railway vehicle sanding device according to any one of claims 1-4, wherein the fixed connection between the heat pipe and the holder with the insulation seal is a welded, crimped or integral construction.
7. A rail vehicle sanding device sanding unit heater according to claim 5 wherein the fixed connection between the heat pipe and the mounting with the insulation seal is a weld, crimp or integral construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490206.8U CN211128238U (en) | 2019-12-31 | 2019-12-31 | Sand spreading unit heater of sand spreading device of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922490206.8U CN211128238U (en) | 2019-12-31 | 2019-12-31 | Sand spreading unit heater of sand spreading device of railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211128238U true CN211128238U (en) | 2020-07-28 |
Family
ID=71706379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922490206.8U Active CN211128238U (en) | 2019-12-31 | 2019-12-31 | Sand spreading unit heater of sand spreading device of railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211128238U (en) |
-
2019
- 2019-12-31 CN CN201922490206.8U patent/CN211128238U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106851869B (en) | Preparation process of thermosensitive ceramic heater | |
| CN104144530B (en) | A kind of electricity heat-producing machine and preparation method thereof | |
| US20140305924A1 (en) | Heatable Current Collector for Establishing an Electrical Contact Between a Current Carrying Line and an Electric Vehicle | |
| CN203984697U (en) | A kind of electric heat-producing machine | |
| WO2016011927A1 (en) | Electric heating device and preparation method therefor | |
| CN206574531U (en) | A kind of wire and cable | |
| CN211265578U (en) | Snake-shaped plate heating film for cylindrical battery cell module | |
| CN201066936Y (en) | Heater | |
| CN103517467B (en) | A kind of PTC electric heating element, electric heater unit and electric motor car | |
| CN201550302U (en) | PTC heater for heating fluid | |
| CN211128238U (en) | Sand spreading unit heater of sand spreading device of railway vehicle | |
| CN203912216U (en) | PTC heater for new energy electric vehicle | |
| CN203103034U (en) | Electrical resistor with round aluminum alloy shell | |
| CN103715524A (en) | Simple method and connection structure for preventing resistance increase due to contact of copper hard busbar and aluminum hard busbar | |
| CN203423219U (en) | Fixing structure of heating device for power battery | |
| CN203180097U (en) | Structure for connecting hard copper bus bar and hard aluminum bus bar | |
| CN211184286U (en) | Sand spreading port heater of sand spreading device of railway vehicle | |
| CN206442531U (en) | A kind of electric heater heats for being easy to circuit to connect | |
| CN206076453U (en) | It is a kind of can quick soaking electrokinetic cell module | |
| CN203336693U (en) | Vacuum superconductivity electric heater | |
| CN210292284U (en) | Semiconductor electric heating tube | |
| CN213661971U (en) | Air heating surface charged PTC heater | |
| CN213661966U (en) | Air heating surface charged PTC heater | |
| CN213661986U (en) | High-reliability anti-creeping PTC heater | |
| CN211335519U (en) | Vehicle-mounted electric heating heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |