CN201912873U - Electronic temperature controller of air dryer of railway locomotive - Google Patents
Electronic temperature controller of air dryer of railway locomotive Download PDFInfo
- Publication number
- CN201912873U CN201912873U CN2010206534688U CN201020653468U CN201912873U CN 201912873 U CN201912873 U CN 201912873U CN 2010206534688 U CN2010206534688 U CN 2010206534688U CN 201020653468 U CN201020653468 U CN 201020653468U CN 201912873 U CN201912873 U CN 201912873U
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- China
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- temperature
- comparator
- electronic switch
- electronic
- air dryer
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- 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.)
- Expired - Fee Related
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- Electric Propulsion And Braking For Vehicles (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to an electronic temperature controller of an air dryer of a railway locomotive, which comprises a temperature sensor, a start-up temperature setting circuit, a comparator and an electronic switch, wherein the temperature sensor is connected with the comparator, and the output end of the comparator is connected with the control end of the electronic switch; temperature signals detected by the start-up temperature setting circuit and the temperature sensor are inputted into the comparator along with electrical signals, the comparator is used for comparison, then output signals are inputted into the electronic switch, and the electronic switch rapidly does the corresponding action; in addition, the external dimension of the electronic temperature controller is consistent with the mounting size of the original mechanical temperature controller. The improved electronic temperature controller has the advantages of small start-up temperature difference, capability of enabling shutdown temperature to be synchronous with start-up temperature, no spark, no oxidation, great melting capacity of a contact point, difficulty in damages and long using time.
Description
Technical field
The utility model relates to a kind of temperature control equipment of railway parts product, relates to a kind of railway locomotive air dryer electronic temperature control device specifically.
Background technology
The WKQ temperature controller came into operation in the mid-90, and purpose is that DJKG-A type air dryer makes bleed valve remain at more than the freezing point temperature of water under the harsh climate condition, prevents that bleed valve from freezing.Former WKQ type temperature controller start-up temperature is 0 ~ 3 ℃, turn-off temperature≤20 ℃, start-up temperature is artificial the setting, and turn-off temperature is that material characteristic by a kind of bimetal leaf is determined, simple structure is a good product in the utilization process in the past, along with the development of Time Technology, in running now, there is following defective in it:
1. start-up temperature scope big (0 ~ 3 ℃);
2. it is inconsistent to turn-off temperature and start-up temperature, and error range is big;
3. contact capacity is too little, just needs later a general winter to change, and causes waste.
Therefore need be improved.
The utility model content
The purpose of this utility model, exactly in order to overcome above-mentioned defective, propose a kind of start-up temperature difference little, turn-off temperature and start-up temperature synchronously, no-spark, non-oxidation, contact capacity be big, not fragile, the modified electronic temperature control device that grow service time.
The technical scheme in the invention for solving the technical problem is: a kind of railway locomotive air dryer electronic temperature control device comprises temperature sensor, start-up temperature initialization circuit, comparator and electronic switch; Wherein, be provided with temperature sensor at air dryer, temperature sensor is connected with comparator by holding wire, and the output of comparator is connected with the control end of electronic switch, and the power line of electronic switch and railway locomotive air dryer joins; The start-up temperature initialization circuit is input to comparator with the temperature signal that temperature sensor detects with the signal of telecommunication, and comparator compares, and again output signal is input to electronic switch, and electronic switch is made respective action rapidly.In addition, the installation dimension of described electronic temperature control device is consistent with the installation dimension of original mechanical temperature controller.
The utility model, former temperature controller process modification and lifting have been carried out, remove the mechanical contact of original temperature controller, adopt temperature sensor to gather the temperature signal of environment, the temperature signal that is input to comparator and setting compares, when environment temperature is higher than design temperature, the signal of electronic switch is turn-offed in comparator output terminal output, and electronic switch disconnects; When environment temperature is lower than design temperature, the signal of electronic switch is connected in comparator output terminal output, and electronic switch is connected.
The utility model performance has greatly promoted the performance of existing product, and beneficial effect is:
1. the start-up temperature difference is less than 0.1 ℃ (be set in 3 ℃ as start-up temperature, the start-up temperature scope of modified temperature controller is exactly 2.9 ℃ ~ 3.1 ℃ so);
2. turn-off temperature and start-up temperature synchronously (when start-up temperature is set in 3 ℃.3.1 ℃ just might turn-off heating);
3. electronic switch has been adopted in the contact, and no-spark, non-oxidation, contact capacity are big, and not fragile, service time is long, reduces expenses.
Description of drawings
Fig. 1 is the utility model circuit diagram.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
A kind of railway locomotive air dryer electronic temperature control device comprises temperature sensor 1, start-up temperature initialization circuit 5, comparator 2 and electronic switch 3; Wherein, be provided with temperature sensor 1 at air dryer, temperature sensor 1 is connected with comparator 2 by holding wire, and the output of comparator 2 is connected with the control end of electronic switch 3, and electronic switch 3 joins with the power line 4 of railway locomotive air dryer; The start-up temperature initialization circuit is input to comparator 2 with the ambient temperature signal that temperature sensor 1 detects with the signal of telecommunication, comparator 2 compares, again output signal is input to electronic switch 3, when environment temperature is higher than design temperature, the signal of electronic switch 3 is turn-offed in the output of comparator 2 outputs, and electronic switch 3 disconnects; When environment temperature is lower than design temperature, the signal of electronic switch 3 is connected in the output of comparator 2 outputs, and electronic switch is connected; In addition, the appearance and size of this electronic temperature control device is consistent with the installation dimension of original mechanical temperature controller.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1. a railway locomotive air dryer electronic temperature control device is characterized in that: comprise temperature sensor, start-up temperature initialization circuit, comparator and electronic switch; Wherein, be provided with temperature sensor at air dryer, temperature sensor is connected with comparator by holding wire, and the output of comparator is connected with the control end of electronic switch, and the power line of electronic switch and railway locomotive air dryer joins; The start-up temperature initialization circuit is input to comparator with the temperature signal that temperature sensor detects with the signal of telecommunication, and comparator compares, and again output signal is input to electronic switch, and electronic switch is made respective action rapidly.
2. a kind of according to claim 1 railway locomotive air dryer electronic temperature control device, it is characterized in that: the installation dimension of described electronic temperature control device is consistent with the installation dimension of original mechanical temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206534688U CN201912873U (en) | 2010-12-12 | 2010-12-12 | Electronic temperature controller of air dryer of railway locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206534688U CN201912873U (en) | 2010-12-12 | 2010-12-12 | Electronic temperature controller of air dryer of railway locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201912873U true CN201912873U (en) | 2011-08-03 |
Family
ID=44412691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206534688U Expired - Fee Related CN201912873U (en) | 2010-12-12 | 2010-12-12 | Electronic temperature controller of air dryer of railway locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201912873U (en) |
-
2010
- 2010-12-12 CN CN2010206534688U patent/CN201912873U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20121212 |