CN207141070U - A kind of diesel locomotive speed-limiting device - Google Patents
A kind of diesel locomotive speed-limiting device Download PDFInfo
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- CN207141070U CN207141070U CN201720799274.0U CN201720799274U CN207141070U CN 207141070 U CN207141070 U CN 207141070U CN 201720799274 U CN201720799274 U CN 201720799274U CN 207141070 U CN207141070 U CN 207141070U
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Abstract
The utility model discloses a kind of diesel locomotive speed-limiting device, including programming alarm setter, the programming alarm setter is connected with 22~300V of DC dc sources or AC 90~260V AC powers, the input of the programming alarm setter is connected with locomotive speed detection circuit, locomotive speed detection circuit includes data conversion box, speedometer, and programming alarm setter is by data conversion box with speedometer with connecting；The output end of the programming alarm setter is connected with locomotive field circuit, programming alarm setter is connected on the circuit between the relay YJ of locomotive field circuit and relay DJ, locomotive field circuit is connected with main generator excitation circuit, and programming alarm setter controls the excitation of the excitation of main generator and exciter according to the height of locomotive speed.Realize low velocity restriction, at high speed restriction and the high and low velocity of diesel locomotive operation while limit.
Description
Technical field
The utility model diesel locomotive speed limiting device technical field, more particularly to a kind of diesel locomotive speed-limiting device.
Background technology
The speed of service of locomotive is operated by the manual control of diesel locomotive driver, even in notice high concentration
In the case of, be easy to locomotive running speed occur to exceed fixing speed, the consciousness of this and diesel locomotive driver, ability, level,
State etc. has much relations, and in order to rest in advance, artificial hypervelocity also often occurs.Because operation hypervelocity reduces railway row
Car safety, considerably increases the infringement to pipeline equipment.Other trainman's labor intensity is big, increases to track switch, rail, locomotive
The abrasion of wheel pair, reduce the service life of equipment.The objective conditions decision of rail track also will be to train running speed simultaneously
It is controlled, highest running speed will be controlled below 20 Gong Li ╱ hours, avoided because hypervelocity brings harm to circuit；While because
Product for transport is mostly dangerous material, and also speed limit is carried out to the speed of service for the safety of transport.
Utility model content
The purpose of this utility model is exactly to solve above mentioned problem existing for prior art, there is provided a kind of diesel locomotive speed limit
Device；By installing SPA setting apparatus additional to diesel locomotive, the maximum operational speed of diesel locomotive is reduced, diesel locomotive most
The big speed of service is controlled the essential safety that equipment is realized within 20 Gong Li ╱ hours by 100 original Gong Li ╱ hours, is protected
Railway safe driving is hindered, through live actual proof, speed limit purpose is fully achieved.
The utility model solve technical problem technical scheme be：
A kind of diesel locomotive speed-limiting device, including programming alarm setter, the programming alarm setter and DC 22~
300V dc sources or the connection of 90~260V of AC AC powers, the input of the programming alarm setter are examined with locomotive speed
Slowdown monitoring circuit connects, and locomotive speed detection circuit includes data conversion box, speedometer, and programming alarm setter passes through data conversion box
With speedometer with connecting；The output end of the programming alarm setter is connected with locomotive field circuit, programs alarm setter string
It is associated on the circuit between the relay YJ of locomotive field circuit and relay DJ, locomotive field circuit and main generator excitation electricity
Road connects, and programming alarm setter controls the excitation of the excitation of main generator and exciter according to the height of locomotive speed.
The programming alarm setter uses electric current input service pattern, and input impedance is 20 Ω, and measurement range selection 0~
20mA。
When the actual range of speed is that ╱ is small in 0~120 public affairs, electric current 3.3mA, speed is ╱ hours in 20 public affairs.
The dc source is DC110V.
The beneficial effects of the utility model：
By installing this speed-limiting device additional, the speed of locomotive may be limited to any solid less than maximal rate the utility model
In definite value or scope.Realize low velocity restriction, at high speed restriction and the high and low velocity of diesel locomotive operation while limit,
Enable the rolling stock speed of service be strict controlled in as defined within the scope of；Be easy to implement the speed control of rolling stock by
Manual control becomes to automatically control, and realizes the essential safety of equipment；The labor intensity of trainman is reduced, trainman
Two and both hands free, more energy be placed on No. Xin lookout and emergency processing on；Reduce to track switch, rail,
The abrasion of train wheel, improve the service life of equipment；Cost is low, once mounting success, and effect is good.
2. controlling the output of main generator by controlling the excitation of main generator, led so as to control main generator to be supplied to
Draw the electric current of motor.And main generator excitation loop is controlled by exciter L.Setting apparatus is controlled according to the height of locomotive speed
The excitation of main generator processed and the excitation of exciter.By automatically controlling for setting apparatus, locomotive can be made to operate in setting all the time
Within velocity interval, the semiautomatic control for the locomotive also realized, be not in hypervelocity phenomenon, greatly improve railway operation safety,
It has been greatly reduced the infringement to pipeline equipment.
Brief description of the drawings
Fig. 1 is the structural representation of utility model；
Fig. 2 is control principle structure diagram.
Embodiment
In order to more fully understand the utility model, embodiment of the present utility model is explained in detail below in conjunction with the accompanying drawings.
Embodiment 1,
As shown in figure 1, a kind of diesel locomotive speed-limiting device, including programming alarm setter (SPA), the programming alarm are set
Determine device to be connected with 22~300V of DC dc sources or AC 90~260V AC powers, i.e., power supply can use wide scope, 4- lines
The power module of power supply, the input of the programming alarm setter are connected with locomotive speed detection circuit, locomotive speed detection
Circuit includes CSJH-S1 data conversions box, speedometer, and programming alarm setter passes through data conversion box and speedometer and string
Connection；The output end of the programming alarm setter is connected with locomotive field circuit, and programming alarm setter is connected on locomotive excitation
On circuit between the relay YJ and relay DJ of circuit, the circuit X9/4 between former relay YJ and relay DJ is broken
Open, locomotive field circuit is connected with main generator excitation circuit, and programming alarm setter controls according to the height of locomotive speed
The excitation of main generator and the excitation of exciter.
The programming alarm setter uses electric current input service pattern, and input impedance is 20 Ω, and measurement range selection 0~
20mA.When the actual range of speed is that ╱ is small in 0~120 public affairs, for electric current about in 3.3mA, speed is ╱ hours in 20 public affairs.
The dc source is DC110V.
The output of main generator is controlled by controlling the excitation of main generator, so as to control main generator to be supplied to traction
The electric current of motor.And main generator excitation loop is controlled by exciter L.Setting apparatus controls according to the height of locomotive speed
The excitation of main generator and the excitation of exciter.By automatically controlling for setting apparatus, locomotive can be made to operate in the speed of setting all the time
Within the scope of degree, the semiautomatic control for the locomotive also realized, be not in hypervelocity phenomenon, greatly improve railway operation safety,
Greatly reduce the infringement to pipeline equipment.In addition, according to the utility model by can realize other automatic alarm sets, from
Dynamic protection module etc. can realize alarm set, automatic protection functions, such as realize the running state monitoring of air compressor of locomotive
And automatic protection, then by coordinate using intelligent facilities and equipment can improve equipment run essential safety and reliability.
Course of work explanation of the present utility model：
With reference to Fig. 2, in figure, 1 input power：DC110V；2 locomotive speed signals：Locomotive running speed signal；3 output controls
System：Locomotive load or unload is controlled according to detection, i.e. speed-raising or reduction of speed.
High speed limit, low speed limit are set on diesel locomotive speed control or all set simultaneously first by button
I.e. certain velocity interval；Diesel locomotive speed control power supply is using the DC110V electricity on diesel locomotive, by the way that " 1-- is inputted
Power supply " introduces.Then current locomotive running speed signal is directly introduced from the speed detector of locomotive itself, is passed through
" 2-- locomotive speed signals " introduces, and carries out computing in diesel locomotive speed control, analyzes, compares.Finally according to comparative result
The Loading Control circuit of diesel locomotive is directly controlled by " 3-- output controls ", speed-raising is realized by load or unload or subtracts
Speed, detection in real time is realized, in real time control.Other the utility model can utilize the old SPA setting apparatus that device is backed off to internal combustion engine
Car speed limit, is not only speed limit, it can also be used to other controls, the expensive investments of the railway system is realized with zero input.
Embodiment 2, the programming alarm setter is connected with AC 90~260V AC powers, such as 220V alternating current
Source connects, and input impedance is 20 Ω, 0~20mA of measurement range selection.When the actual range of speed is that ╱ is small in 0~120 public affairs, electric current
About in 3.3mA, speed was 20 Gong Li ╱ hours.Other will not be repeated here with reference to embodiment 1.
Although above-mentioned the embodiment of utility model is described with reference to accompanying drawing, not to the utility model
The limitation of protection domain, on the basis of the technical solution of the utility model, those skilled in the art need not pay creativeness
The various modifications or deformation that work can be made are still within the scope of protection of the utility model.
Claims (5)
1. a kind of diesel locomotive speed-limiting device, including programming alarm setter, it is characterized in that, the programming alarm setter and DC
22~300V dc sources or the connection of 90~260V of AC AC powers, input and the locomotive speed of the programming alarm setter
Degree detection circuit connection, locomotive speed detection circuit include data conversion box, speedometer, and programming alarm setter is turned by data
Box is changed with speedometer with connecting；The output end of the programming alarm setter is connected with locomotive field circuit, programs alarm settings
Device is connected on the circuit between the relay YJ of locomotive field circuit and relay DJ, and locomotive field circuit is encouraged with main generator
Magnetic circuit connects, and programming alarm setter controls encouraging for the excitation of main generator and exciter according to the height of locomotive speed
Magnetic.
2. a kind of diesel locomotive speed-limiting device as claimed in claim 1, it is characterized in that, the programming alarm setter is using electricity
Input service pattern is flowed, input impedance is 20 Ω, 0~20mA of measurement range selection.
3. a kind of diesel locomotive speed-limiting device as claimed in claim 2, it is characterized in that, when the scope of actual speed is 0~120
Gong Li ╱ hours, electric current are 3.3 mA, and speed was 20 Gong Li ╱ hours.
4. a kind of diesel locomotive speed-limiting device as claimed in claim 1, it is characterized in that, the dc source is DC110V.
5. a kind of diesel locomotive speed-limiting device as claimed in claim 1, it is characterized in that, the AC power is AC220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799274.0U CN207141070U (en) | 2017-07-04 | 2017-07-04 | A kind of diesel locomotive speed-limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720799274.0U CN207141070U (en) | 2017-07-04 | 2017-07-04 | A kind of diesel locomotive speed-limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207141070U true CN207141070U (en) | 2018-03-27 |
Family
ID=61672122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720799274.0U Active CN207141070U (en) | 2017-07-04 | 2017-07-04 | A kind of diesel locomotive speed-limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207141070U (en) |
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2017
- 2017-07-04 CN CN201720799274.0U patent/CN207141070U/en active Active
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