CN208282407U - Ultralow temperature heat tracing activation system based on vehicle carried enclosed space - Google Patents

Ultralow temperature heat tracing activation system based on vehicle carried enclosed space Download PDF

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Publication number
CN208282407U
CN208282407U CN201820834376.6U CN201820834376U CN208282407U CN 208282407 U CN208282407 U CN 208282407U CN 201820834376 U CN201820834376 U CN 201820834376U CN 208282407 U CN208282407 U CN 208282407U
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China
Prior art keywords
heat tracing
temperature
activation system
self
ultralow temperature
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CN201820834376.6U
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Inventor
殷振环
张双
蒋威
阮铮
陈明远
宫帅
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China Academy of Railway Sciences Corp Ltd CARS
Locomotive and Car Research Institute of CARS
Beijing Zongheng Electromechanical Technology Development Co Ltd
Original Assignee
China Academy of Railway Sciences Corp Ltd CARS
Locomotive and Car Research Institute of CARS
Beijing Zongheng Electromechanical Technology Development Co Ltd
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Priority to CN201721847903 priority
Application filed by China Academy of Railway Sciences Corp Ltd CARS, Locomotive and Car Research Institute of CARS, Beijing Zongheng Electromechanical Technology Development Co Ltd filed Critical China Academy of Railway Sciences Corp Ltd CARS
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Abstract

The utility model provides a kind of ultralow temperature heat tracing activation system based on vehicle carried enclosed space, comprising: enclosure space and the self-shield heater being set in the enclosure space, environment temperature controller, heat tracing medium and heating object;Self-shield heater, for heating heat tracing medium and heating object in the enclosure space;Environment temperature controller connects the self-shield heater, for measuring and controlling the temperature of the heat tracing medium;The heat tracing medium is the heating object heat tracing.Using the utility model, multiple security protection can be played the role of while total system supports cold-starting, and can configure to put with position by flexible temperature in terms of heating efficiency and be optimal.

Description

Ultralow temperature heat tracing activation system based on vehicle carried enclosed space
Technical field
The utility model relates to train apparatus technical fields, it particularly relates to a kind of super based on vehicle carried enclosed space Low temperature heat tracing activation system.
Background technique
When train for a long time stop transport maintenance be parked in the workshop that can not be heated when, need traction convertor to pass through the side of external power supply Formula is preheated to current transformer critical component, so that current transformer is had the function being cold-started at -50 DEG C, here it is heat tracings.Root The characteristics of according to EMU, consider the maintenance and accessibility of equipment, the cabinet of installation high-weatherability traction convertor generallys use vehicle The mounting means of lower lifting, is directly exposed to below environment.Since the weather difference of continent country variant is very big, conduct The traction convertor of high-speed EMUs core component should have high-weatherability, must be under -50 DEG C of environment temperatures, heat tracing starting.It is existing Have in technology, cannot be considered in terms of cold-starting and safeguard protection.
Utility model content
The utility model provides a kind of ultralow temperature heat tracing activation system based on vehicle carried enclosed space, in total system While supporting cold-starting, play the role of multiple security protection, and flexible temperature can be passed through in terms of heating efficiency Configuration and position, which are put, to be optimal.
The utility model embodiment provides a kind of ultralow temperature heat tracing activation system based on vehicle carried enclosed space, this is ultralow Warm heat tracing activation system includes: enclosure space and the self-shield heater being set in the enclosure space, environment temperature control Device, heat tracing medium, heating object and power supply;
Self-shield heater, for heating heat tracing medium and heating object in the enclosure space;
Environment temperature controller is electrically connected the self-shield heater, for measuring and controlling the temperature of the heat tracing medium Degree;
The heat tracing medium is the heating object heat tracing.
In one embodiment, further includes: power supply, for powering for the self-shield heater and environment temperature controller.
In one embodiment, the environment temperature controller includes: the power supply protection device and first suitable for ultralow temperature operation Temperature detect switch (TDS).
In one embodiment, the environment temperature controller includes: the first temperature detect switch (TDS) suitable for ultralow temperature operation.
In one embodiment, states environment temperature controller and be arranged in inside or outside the heating object.
In one embodiment, the self-shield heater body is provided with the second temperature detect switch (TDS) suitable for ultralow temperature operation.
In one embodiment, the self-shield heater is quick in the enclosed space by heat transfer, convection current or radiation mode Thermal cycle.
In one embodiment, the enclosure space is hemi-closure space or totally-enclosed space.
In one embodiment, the heat tracing medium is gas, liquid or solid.
In one embodiment, first temperature detect switch (TDS) and the second temperature detect switch (TDS) are mechanical switch, to ensure at low temperature Power supply circuit closure.
In one embodiment, the environment temperature controller and the connection type of the self-shield heater include be electrically connected or Electromagnetism connection.
Using the utility model, multiple security protection can be played the role of while total system supports cold-starting, And it can configure to put with position by flexible temperature in terms of heating efficiency and be optimal.
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 ultralow temperature heat tracing activation system schematic diagram one of the utility model embodiment based on vehicle carried enclosed space;
Fig. 2 is ultralow temperature heat tracing activation system schematic diagram two of the utility model embodiment based on vehicle carried enclosed space;
Fig. 3 is ultralow temperature heat tracing activation system schematic diagram three of the utility model embodiment based on vehicle carried enclosed space;
Fig. 4 is ultralow temperature heat tracing activation system schematic diagram four of the utility model embodiment based on vehicle carried enclosed space;
Fig. 5 is ultralow temperature heat tracing activation system schematic diagram five of the utility model embodiment based on vehicle carried enclosed space;
Fig. 6 is ultralow startup temperature tracing system schematic diagram six of the utility model embodiment based on vehicle carried enclosed space.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 is ultralow temperature heat tracing activation system schematic diagram one of the utility model embodiment based on vehicle carried enclosed space, such as Shown in Fig. 1, which includes: enclosure space 8 and the self-shield heater that is set in the enclosure space 8 1, environment temperature controller 2, heat tracing medium 3 and heating object 6 etc..
Self-shield heater 1 is used to heat heat tracing medium and the heating object in the enclosure space.
The mode that environment temperature controller 2 is connected to self-shield heater 1 may include electromagnetism connection or electrical connection, environment Temperature controller 2 can automatically control the connection.Environment temperature controller 2 can be electrically connected the self-shield by cable 7 and add Hot device 1, for measuring and controlling the temperature of heat tracing medium 3, it is ensured that reach the heat tracing temperature of the requirement of heating object 6.
Heat tracing medium 3 is 6 heat tracing of heating object.Heat tracing medium can be gas, such as air, steam, inert gas; It is also possible to liquid, such as conduction oil, anti-icing fluid;It is also possible to solid, such as aluminium, heat-conducting silica gel sheet.
In one embodiment, the ultralow temperature heat tracing activation system further include: power supply 9 is connected to environment temperature controller 2, uses It powers in for the self-shield heater and environment temperature controller.Environment temperature controller can not pass through power supply power supply, example Such as take self power generation mode.
Power supply 9 is that self-shield heater 1 and environment temperature controller 2 supply by cable connection environment temperature controller 2 Electricity.Power supply 9 can with compatible direct current with exchange.When it is implemented, the physical characteristic of self-shield heater 1 itself can be with compatible direct current And AC power source, or can realize that AC DC is compatible by replacing the self-shield heater 1 of included temperature detect switch (TDS) 5.
Self-shield heater 1 supports ultralow startup temperature to run, and is suitable for ultra-low temperature surroundings.The characteristics of self-shield heater 1 It is warm using physical characteristic limit, rather than uses electrical characteristic limit temperature, it can be ensured that cold-starting reaches higher safety.
Enclosure space 8 is hemi-closure space or totally-enclosed space, to provide semiclosed environment or totally-enclosed environment.Pass through meter It calculates, it can be ensured that can satisfy the heating of enclosed environment 8 in the self-shield heater 2 of certain power, and can be realized and be heated The heat tracing function of object 6.
Self-shield heater 1 has the function of autoprotection, and in an embodiment, which can have derived from itself Standby temperature limiting function.In one embodiment, self-shield heater 1 can be equipped with physics temperature conditioning unit, as shown in Fig. 2, the physics Temperature conditioning unit is temperature detect switch (TDS) 5.It is safe, such as silica gel that temperature detect switch (TDS) 5, which makes self-shield heater 1 have self-protection function, Heating sheet increases physics temperature controller and realizes self-shield heater 1.
As shown in Fig. 2, self-shield heater 1 can use silica gel heating sheet (SCS), it is internally embedded temperature detect switch (TDS) 5, is controlled Temperature is T1 (temperature fixed range may is that 30~150 degree, liquid rise formula temperature switch), and low temperature -50, which is spent, can star, heat tracing Medium 3 is liquid, and self-shield heater 1 heats heat tracing medium 3 and forms convection current.Environment temperature controller 2 can be arranged in closing The inner wall in space 8 monitors the temperature of heat tracing medium 3.Temperature detect switch (TDS) 5 inside environment temperature controller 2 controlled at T2 (temperature fixed range may is that -30~30 degree), can be risen formula temperature switch using liquid.
By heat transfer, convection current or radiation mode, rapid thermal cycles realize heating to self-shield heater 1 in the enclosed space. For example increasing the fin raising conduction of velocity of heat dissipation area, increasing pump, fan increase heating object to improve convection current conduction efficiency The surface emissivity acceptance rate of body.Pump and fan in self-shield heater 1 can form a subenvironment with heater, be rapidly heated Reach the environmental condition of the normal operation of pump and fan.
Self-shield heater 1 uses PTC (Positive Temperature Coefficient) heater, in ultralow temperature (such as -50 degree) can star, insertion fan heating air (heat tracing medium 3), form convection current, automatic compatible AC-3 220V and DC110V power supply 9.Because ptc heater is, compatible direct current and alternating current unrelated by thermistor characteristic and alternating current-direct current Source.
Environment temperature controller 2 is suitable for ultra-low temperature surroundings, can be accomplished in several ways, in an embodiment, such as Fig. 2 And shown in Fig. 3, which includes: the power supply protection device 4 and temperature detect switch (TDS) 5 suitable for ultralow temperature operation.
When it is implemented, temperature detect switch (TDS) 5 can be mechanical switch, it can ensure power supply circuit (including power supply 9 at low temperature What the power supply circuit and power supply 9 and self-shield heater 1 and environment temperature controller 2 formed with environment temperature controller 2 formed Power supply circuit) closure, the mechanical switch that can choose has the swollen formula of pressure type, liquid, and (liquid rises formula temperature switch, such as TS-030S type Number liquid rises formula temperature switch), gas absorption formula and expansion of metal formula temperature detect switch (TDS) etc..
Power supply protection device 4 can be over-voltage protector, overcurrent protective device and earth leakage protective device etc., power supply protection device 4 Causing mechanical system by material electric heating physical characteristic prevents overcurrent or over-voltage.
In one embodiment, as shown in figure 4, environment temperature controller 2 can only include: that the above-mentioned ultralow temperature that is suitable for is run Temperature detect switch (TDS) 5.
The position that environment temperature controller 2 is arranged in enclosure space 8 can be set as the case may be, can be set Heating object it is internal or external.When positioned at the outside of heating object, it can be set in the surface of heating object.Such as figure 1 to shown in Fig. 4, and the outside of heating object is arranged in environment temperature controller 2.As shown in figure 5, environment temperature controller 2 is set It sets in the inside of heating object, in the embodiment, heating object 6 can be a traction control unit (TCU), environment temperature Degree controller 2 is arranged in inside TCU.
In one embodiment, heating object 6 can be single provision for sealing, such as controller, internal components open equipment; It can be combination of multiple objects, such as multiple IGBT power modules etc..
In one embodiment, as shown in fig. 6, environment temperature controller 2 is connected with self-shield heater 1 by electromagnetism.Environment Temperature controller 2 is powered using small-power power, drives electromagnetic generator.Electromagnetic generator uses 24V DC electromagnet.Electromagnetism Switch triggers snap switch using electromagnetism.Self-shield heater 1 has large power supply power supply.This untouchable control, allows control Unit and heating unit processed are more simple and safe.Power supply includes control power supply and heating power supply.
In the utility model, the Primary Components such as self-shield heater 1, power supply protection device 4 and temperature detect switch (TDS) 5 are all supported ultralow Startup temperature operation;And heater 1, power supply protection device 4 and temperature detect switch (TDS) 5 is protected all to drive using mechanical switch, cable 7 can be with For the flame-proof explosion-proof cable for meeting heat tracing power requirement, the safety of total system, therefore the ultralow temperature of the utility model are improved Heat tracing activation system has multiple security protection function, can utmostly improve the security reliability of system;Pass through self-shield The regulating allocation of the placement position and temperature detect switch (TDS) 5 of heater 1 and environment temperature controller 2, may be implemented the accurate of temperature Control is closed, and is optimal in terms of heating efficiency, energy-saving effect is played.
Specific embodiment is applied in the utility model to be expounded the principles of the present invention and embodiment, with The explanation of upper embodiment is merely used to help understand the method and its core concept of the utility model;Meanwhile for this field Those skilled in the art, based on the idea of the present invention, there will be changes in the specific implementation manner and application range, comprehensive Upper described, the content of the present specification should not be construed as a limitation of the present invention.

Claims (11)

1. a kind of ultralow temperature heat tracing activation system based on vehicle carried enclosed space characterized by comprising enclosure space and setting The self-shield heater of support cold operation in the enclosure space supports the environment temperature controller of cold operation, companion Thermal medium and heating object;
The self-shield heater, for heating heat tracing medium and heating object in the enclosure space;
The environment temperature controller connects the self-shield heater, for measuring and controlling the temperature of the heat tracing medium;
The heat tracing medium is the heating object heat tracing.
2. ultralow temperature heat tracing activation system according to claim 1, which is characterized in that further include: power supply, for being described Self-shield heater and the power supply of environment temperature controller.
3. ultralow temperature heat tracing activation system according to claim 1, which is characterized in that the environment temperature controller packet It includes: power supply protection device and the first temperature detect switch (TDS) suitable for ultralow temperature operation.
4. ultralow temperature heat tracing activation system according to claim 1, which is characterized in that the environment temperature controller packet It includes: the first temperature detect switch (TDS) suitable for ultralow temperature operation.
5. according to claim 1, ultralow temperature heat tracing activation system described in 3 or 4, which is characterized in that the environment temperature control Device is arranged in inside or outside the heating object.
6. ultralow temperature heat tracing activation system according to claim 3 or 4, which is characterized in that in the self-shield heater Portion is provided with the second temperature detect switch (TDS) suitable for ultralow temperature operation.
7. ultralow temperature heat tracing activation system according to claim 6, which is characterized in that the self-shield heater passes through heat Conduction, convection current or radiation mode rapid thermal cycles in the enclosed space.
8. ultralow temperature heat tracing activation system according to claim 1, which is characterized in that the enclosure space is semiclosed sky Between or totally-enclosed space.
9. ultralow temperature heat tracing activation system according to claim 1, which is characterized in that the heat tracing medium is gas, liquid Body or solid.
10. ultralow temperature heat tracing activation system according to claim 6, which is characterized in that first temperature detect switch (TDS) and Two temperature detect switch (TDS)s are mechanical switch, to ensure that power supply circuit is closed at low temperature.
11. ultralow temperature heat tracing activation system according to claim 1, which is characterized in that the environment temperature controller with The connection type of the self-shield heater includes electrical connection or electromagnetism connection.
CN201820834376.6U 2017-12-26 2018-05-31 Ultralow temperature heat tracing activation system based on vehicle carried enclosed space Active CN208282407U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2017218479039 2017-12-26
CN201721847903 2017-12-26

Publications (1)

Publication Number Publication Date
CN208282407U true CN208282407U (en) 2018-12-25

Family

ID=64706469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820834376.6U Active CN208282407U (en) 2017-12-26 2018-05-31 Ultralow temperature heat tracing activation system based on vehicle carried enclosed space

Country Status (1)

Country Link
CN (1) CN208282407U (en)

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