CN108423022A - Warm-air drier circuit and its drivers' cab warm-air drier - Google Patents
Warm-air drier circuit and its drivers' cab warm-air drier Download PDFInfo
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- CN108423022A CN108423022A CN201810359534.1A CN201810359534A CN108423022A CN 108423022 A CN108423022 A CN 108423022A CN 201810359534 A CN201810359534 A CN 201810359534A CN 108423022 A CN108423022 A CN 108423022A
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- Prior art keywords
- warm
- air drier
- fever
- wind turbine
- heater element
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- 206010037660 Pyrexia Diseases 0.000 claims abstract description 35
- 239000000523 sample Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 18
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000003137 locomotive effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 206010015535 Euphoric mood Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0036—Means for heating only
- B61D27/0045—Electric heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention belongs to locomotive warm wind component technology fields, a kind of warm-air drier circuit and its drivers' cab warm-air drier are disclosed, including control loop and fever circuit, control loop includes contactor coil, fever circuit includes the fever branch and wind turbine branch of parallel connection, fever branch include probe of contactor and with the concatenated heater element of probe of contactor, wind turbine branch includes that the heat for generating heater element distributes wind turbine to cabinet.Heating element generating heat in fever circuit is controlled by contactor, low voltage control high pressure is realized, ensures circuit stability, it is ensured that heater element keeps normal work；Using finned electrothermal tube, heating area is big, and heat loss is small, has many advantages, such as that quick heating, fever is uniform, electric conversion efficiency is high.
Description
Technical field
The present invention relates to locomotive warm wind component technology fields, and in particular, to a kind of warm-air drier circuit and its drivers' cab are warm
Wind turbine.
Background technology
Drivers' cab heating device is the important component of locomotive cab, and for coping with the cold in winter, it can be crew
Comfortable working environment is provided, is beneficial to the physical and mental health of crew, but due to drivers' cab narrow space and complicated layout,
Make the installation of heating device there are larger limitation, the heating system used on existing locomotive largely uses in-wall mounting, this
The segment space in trainman room is not only occupied, the integrated beauty perception of drivers' cab is also affected, furthermore is also unfavorable for warming oneself
The maintenance and maintenance of equipment.
In addition, current heating system（Warm-air drier）Include mainly shell, there is hot-blast outlet on the side wall of shell, in shell
There is electric heater at the position of corresponding hot-blast outlet, has wind turbine on rear side of electric heater.In use, first by electric heater and wind turbine
It is connected with the indoor power supply of driver by conducting wire, then starts electric heater and wind turbine simultaneously, electric heater will be in shell
Air heats, and wind turbine blows out the hot-air in shell, to form warm wind.But on the one hand this set can not adjust fever temperature
On the other hand degree is to be powered and power off simultaneously in electric heater and wind turbine, the waste heat that electric heater can not be effectively ensured is complete
It is dissipated to hull outside.
Invention content
Present invention solves the technical problem that being to provide a kind of warm wind electromechanics of dependable performance in view of the drawbacks of the prior art
Road.
Present invention simultaneously provides a kind of drivers' cab warm-air driers equipped with above-mentioned warm-air drier circuit.
The purpose of the present invention is achieved through the following technical solutions：
A kind of warm-air drier circuit, including control loop and fever circuit, control loop includes contactor coil, and fever circuit includes
Fever branch and wind turbine branch in parallel, fever branch include probe of contactor and with the concatenated heater element of probe of contactor,
Wind turbine branch includes that the heat for generating heater element distributes wind turbine to cabinet.
Further, fever branch road has multiple heater elements in parallel.
Further, heater element is finned electrothermal tube.
Further, wind turbine is cross flow fan.
Further, it is in series with fusible link in control loop.
Further, the fusing-off temperature of fusible link is 121 DEG C.
Further, at least one temperature detect switch (TDS) is also in series in control loop.
Still further, temperature detect switch (TDS) controlled at 80 DEG C.
Further, the time-delay relay coil in parallel with contactor coil is additionally provided in control loop, in wind turbine branch
It is in series with time-delay relay contact.
Further, the delay time of time-delay relay is 30 seconds.
A kind of drivers' cab warm-air drier, including cabinet, are equipped with warm-air drier circuit as described above in cabinet, around heater element
Space formed air duct, wind turbine be set to heater element above or below, cabinet heater element, wind turbine installation position at machine
Tank wall is in grid aeration structure.
Compared with prior art, the invention has the advantages that：
1）Heating element generating heat in fever circuit is controlled by contactor, low voltage control high pressure is realized, ensures circuit stability, really
It protects heater element and keeps normal work；
2）Heater element uses finned electrothermal tube, and heating area is big, and heat loss reduces, and under equal-wattage, opposite
Have many advantages, such as that quick heating, fever is uniform, electric conversion efficiency is high for common electrothermal tube；
3）Space around heater element forms air duct, and resistance is small, in time distributes heat to outside cabinet conducive to cross flow fan；
4）Multiple temperature detect switch (TDS)s are set, and installation position of the temperature detect switch (TDS) in cabinet is different, it can be in immediately monitoring to cabinet not
With the environment temperature of position, this can provide reference for the uniform situation of bulk temperature in air duct, once there are the excessively high feelings of temperature
Condition, temperature detect switch (TDS) is i.e. automatic to be disconnected, and fever circuit is made to disconnect, to realize the temperature regulation and control of whole heat condition；
5）Time-delay relay can guarantee that heater element power-off rear fan still keeps normal air draught and blowing action, make heater element
Waste heat is dissipated to outside cabinet completely, and heat is avoided to be gathered in cabinet, effectively extends the service life of warm-air drier；
6）This drivers' cab warm-air drier has strong electric conversion efficiency height, quick heating, thermal sensation, the flames of anger, unglazed consumption, safe and reliable etc.
Feature can be mounted in more money vehicles, particularly suitable for being mounted on power concentration formula train, be installed in the sides drivers' cab Hou Qiang
In cabinet, drivers' cab space, and simple and beautiful will not be largely occupied, while suitable heating environment can be provided for drivers' cab.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of drivers' cab warm-air drier described in embodiment 1；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is cabinet panel structural schematic diagram；
Fig. 4 is warm-air drier circuit diagram described in embodiment 1.
Specific implementation mode
The present invention is further illustrated With reference to embodiment, wherein attached drawing only for illustration,
What is indicated is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；Reality in order to better illustrate the present invention
Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
A kind of drivers' cab warm-air drier is equipped with warm-air drier circuit as shown in Figure 4 as shown in Figure 1, including cabinet 1 in cabinet 1,
Including control loop 2 and fever circuit 3, control loop 2 includes contactor coil 21, and fever circuit 3 includes fever branch in parallel
Road and wind turbine branch, fever branch include probe of contactor 31 and with 31 concatenated heater element 32 of probe of contactor, wind turbine branch
Road includes that the heat for generating heater element 32 is distributed to the wind turbine 33 outside cabinet 1.
Contactor coil 21 and probe of contactor 31 are a set of whole contactor.2 connect supply voltage of control loop is
110V, fever 3 connect supply voltage of circuit are 220V, and electric wire concentrates switching to enter cabinet 1 by connector 6 in each circuit
Interior, the present embodiment is to be generated heat by contactor to control the heater element 32 in fever circuit, realizes low voltage control high pressure, ensures electricity
Stablize on road, it is ensured that heater element keeps normal work.
As depicted in figs. 1 and 2, the space around heater element 32 forms air duct 4, and wind turbine 33 is set to 32 top of heater element
Or lower section（It refer to the physics upper and lower position after cabinet installs above or below mentioned here）, as shown in figure 3, cabinet 1 exists
Heater element 32, wind turbine 33 installation position at cabinet wall be in grid aeration structure 11, grid corresponding with heater element 32
Aeration structure 11, which can effectively ensure that, has enough air flowings, grid aeration structure corresponding with wind turbine 33 11 that can make in warm-air drier
The air heated sheds in due course provides a home from home for drivers' cab outside to cabinet.
The related parts to take up space are not set around the heater element of the present embodiment, and 4 resistance of air duct is small, is conducive to wind turbine 33
Heat is distributed to outside cabinet 1 in time.
To realize being rapidly heated for drivers' cab, it is in parallel that fever branch road is equipped with multiple heater elements 3（The present embodiment is three
It is a）, multiple heater elements generate heat simultaneously, can significantly improve heating efficiency.
Heater element 3 specifically uses finned electrothermal tube, and heating area is big, and heat loss reduces, and under equal-wattage,
It has many advantages, such as that quick heating, fever is uniform, electric conversion efficiency is high for common electrothermal tube.
The wind turbine 33 of the present embodiment uses cross flow fan, and axial length is unrestricted, can select according to actual needs suitable
The draught fan impeller of suitable length, and by blade, power is acted on twice when air-flow is flowed through draught fan impeller, air-flow can reach far
Distance, furthermore it also has outlet air uniform, the feature of no turbulent flow.
To avoid drivers' cab warm-air drier over-heat inside from generating damage, can connect fusible link 5 in control loop 2, fusible link
For temperature fusible link, fusing-off temperature is 121 DEG C, so that it is stopped in the case of can effectively ensure that warm-air drier over-heat inside.
Also can accordingly connect fusible link 5 in fever circuit 3（It is not arranged in the fever circuit of the present embodiment）, warm-air drier it is whole
Body running process, which provides, further to be ensured.
It is adjustable for the temperature that further realizes drivers' cab, so that drivers' cab is reached one compared with stationary temperature environment, controls back
At least one temperature detect switch (TDS) 23 is also in series in road 2（In the present embodiment there are two settings）, temperature detect switch (TDS) controlled at 80
℃。
Two temperature detect switch (TDS) installation positions relatively disperse, you can are separately positioned on the position that heater element length direction leans on close end
Set, one in left end, one in right end, so temperature detect switch (TDS) 23 can at-once monitor go out the temperature feelings of different corners in cabinet
Condition, when there is overheat condition, corresponding temperature detect switch (TDS) will be switched off, and control loop is made to disconnect, to make heater element stop
Fever so adjusts the indoor integrated environment temperature of driver in due course, reference is provided for the uniform situation of bulk temperature in air duct.
Certainly, when temperature in chassis value is reduced to temperature detect switch (TDS) recovery value,（Such as recovery value is 65 DEG C or 70 DEG C）, temperature detect switch (TDS) can be again
Secondary automatic closure makes fever circuit reclose fever, to readjust the indoor environment temperature of driver rapidly.
It is additionally provided with the time-delay relay coil 22 in parallel with contactor coil in control loop 2, is in series in wind turbine branch
Time-delay relay contact 34, time-delay relay coil 22 and time-delay relay contact 34 are a set of whole time-delay relay.
Time-delay relay can ensure that time-delay relay contact 34 is still in attracting state, at this when control loop 2 disconnects
Under state, wind turbine 33 remains to work normally, and the waste heat of heater element 32 is dispelled as much as possible to drivers' cab, entire to ensure
The service life of drivers' cab warm-air drier.
The delay time of time-delay relay is 30 seconds in the present embodiment, and the suction of cross flow fan is big, and radiating efficiency is high, 30
The waste heat in heater element and cabinet can be made all to distribute to outside cabinet completely in second.
The circuit control of the drivers' cab warm-air drier of the present embodiment is：Manual ON control loop 2, temperature detect switch (TDS) are normally closed shape
State, contactor coil 21 is started to work and control contactor contact 31 is attracted, and makes each heater element 32 start to generate heat, same to time delay
When relay coil 22 also begin to work and control time-delay relay contact 34 actuation, so that wind turbine 33 is devoted oneself to work will be in air duct 4
Hot-air absorb and dispel to the drivers' cab outside cabinet 1, two temperature detect switch (TDS)s 23 monitor in real time in this process
The temperature of corresponding position, once the temperature that any one temperature detect switch (TDS) is monitored has reached the temperature controlling value of the temperature detect switch (TDS)
When, which disconnects, and control loop is made to disconnect, and the circuit that generates heat therewith disconnects, and heater element 32 stops fever, makes
Temperature in cabinet enters slow cooling process, and the whole heating temperature in cabinet 1 is adjusted with this.
With the reduction of temperature in chassis, when temperature detect switch (TDS) 23 monitors that corresponding temperature reaches the temperature control of lower temperature
It is when value processed, then again automatic to be closed, when two temperature detect switch (TDS)s 23 are in closed state, generate heat circuit then and turn on automatically, hair
Thermal element 32 connects fever, so that temperature in chassis is started again in rising trend.
When the drivers' cab warm-air drier need to be closed, control loop 2 is disconnected manually, and probe of contactor 31 disconnects at this time, owns
Heater element 32 is stopped, and time-delay relay contact 34 will be delayed 30 seconds just disconnection, in this 30 seconds, wind turbine 33 still in
Air draught and outlet air working condition can rapidly distribute waste heat in cabinet 1 to the cabinet external world.
Then circuit 2 provides circuit safety guarantee to fusible link 5 in order to control.
This drivers' cab warm-air drier has electric conversion efficiency height, quick heating, thermal sensation strong, the flames of anger, unglazed consumption, securely and reliably
The features such as, it can be mounted in more money vehicles, particularly suitable for being mounted on power concentration formula train, be installed in wall after drivers' cab
In the cabinet of side, drivers' cab space, and simple and beautiful will not be largely occupied, while suitable heating environment can be provided for drivers' cab.
Obviously, above-described embodiment is only intended to clearly illustrate technical scheme of the present invention example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all
All any modification, equivalent and improvement made by within the spirit and principles in the present invention etc. should be included in right of the present invention and want
Within the protection domain asked.
Claims (10)
1. a kind of warm-air drier circuit, which is characterized in that including control loop and fever circuit, control loop includes contactor line
Circle, fever circuit include the fever branch and wind turbine branch of parallel connection, and fever branch includes probe of contactor and and probe of contactor
Concatenated heater element, wind turbine branch include that the heat for generating heater element distributes wind turbine to cabinet.
2. warm-air drier circuit according to claim 1, which is characterized in that fever branch road has multiple heater elements simultaneously
Connection.
3. warm-air drier circuit according to claim 1 or 2, which is characterized in that heater element is finned electrothermal tube.
4. warm-air drier circuit according to claim 1, which is characterized in that wind turbine is cross flow fan.
5. warm-air drier circuit according to claim 1, which is characterized in that be in series with fusible link in control loop.
6. warm-air drier circuit according to claim 5, which is characterized in that the fusing-off temperature of fusible link is 121 DEG C.
7. warm-air drier circuit according to claim 1, which is characterized in that be also in series at least one temperature control in control loop
Switch.
8. warm-air drier circuit according to claim 7, which is characterized in that temperature detect switch (TDS) controlled at 80 DEG C.
9. warm-air drier circuit according to claim 1, which is characterized in that be additionally provided in control loop with contactor coil simultaneously
The time-delay relay coil of connection is in series with time-delay relay contact in wind turbine branch, it is preferable that the delay time of time-delay relay
It is 30 seconds.
10. a kind of drivers' cab warm-air drier, which is characterized in that including cabinet, such as claim 1~9 any one is equipped in cabinet
The warm-air drier circuit, the space around heater element form air duct, and wind turbine is set to above or below heater element, and cabinet exists
Heater element, wind turbine installation position at cabinet wall be in grid aeration structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359534.1A CN108423022A (en) | 2018-04-20 | 2018-04-20 | Warm-air drier circuit and its drivers' cab warm-air drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359534.1A CN108423022A (en) | 2018-04-20 | 2018-04-20 | Warm-air drier circuit and its drivers' cab warm-air drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108423022A true CN108423022A (en) | 2018-08-21 |
Family
ID=63161516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810359534.1A Pending CN108423022A (en) | 2018-04-20 | 2018-04-20 | Warm-air drier circuit and its drivers' cab warm-air drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108423022A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205768498U (en) * | 2016-07-20 | 2016-12-07 | 郑州科林车用空调有限公司 | A kind of novel high-pressure electric heating wind electric system |
| CN208216717U (en) * | 2018-04-20 | 2018-12-11 | 株洲联诚集团控股股份有限公司 | Warm-air drier circuit and its drivers' cab warm-air drier |
-
2018
- 2018-04-20 CN CN201810359534.1A patent/CN108423022A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679549Y (en) * | 2003-12-29 | 2005-02-16 | 谢成昆 | Warming air heater for side wall of locomotive driver's cab |
| CN201932172U (en) * | 2011-01-17 | 2011-08-17 | 株洲联诚集团有限责任公司 | Hot air heater for heating in locomotive cab |
| CN202175059U (en) * | 2011-07-04 | 2012-03-28 | 长沙黄达铁路机车车辆配件有限公司 | Fan heater for locomotive cab |
| CN203372245U (en) * | 2013-06-27 | 2014-01-01 | 南车青岛四方机车车辆股份有限公司 | Fan heater of railway vehicle cab |
| CN203472867U (en) * | 2013-07-31 | 2014-03-12 | 湖南广欣科技发展有限公司 | Side wall warm air blower in locomotive driver's cab |
| JP2015183953A (en) * | 2014-03-25 | 2015-10-22 | 三機工業株式会社 | Small-sized air conditioner and personal air conditioning system using the same |
| CN204462705U (en) * | 2015-04-01 | 2015-07-08 | 朱芳 | A kind of indoor heater control circuit |
| CN104828104A (en) * | 2015-05-13 | 2015-08-12 | 镇江东方电热科技股份有限公司 | Foot heater for train cab |
| CN105216814A (en) * | 2015-10-14 | 2016-01-06 | 南车青岛四方机车车辆股份有限公司 | A kind of heater unit for guideway vehicle |
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