CN202944338U - Sanding electric control device of internal combustion locomotive - Google Patents
Sanding electric control device of internal combustion locomotive Download PDFInfo
- Publication number
- CN202944338U CN202944338U CN 201220695846 CN201220695846U CN202944338U CN 202944338 U CN202944338 U CN 202944338U CN 201220695846 CN201220695846 CN 201220695846 CN 201220695846 U CN201220695846 U CN 201220695846U CN 202944338 U CN202944338 U CN 202944338U
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- CN
- China
- Prior art keywords
- stucco
- circuit
- control circuit
- sanding
- pressure relay
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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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a sanding electric control device of an internal combustion locomotive. The sanding electric control device comprises a pressure relay, a positive sanding electromagnetic valve, a reverse sanding electromagnetic valve and a control circuit, wherein the control circuit comprises two parallel branches, one branch comprises the pressure relay, a delay coil and a normally open contact which are connected with one another in series, the other branch comprises a manual control circuit, a sanding circuit and a main switch which are connected with one another in series, one end of a circuit formed by the parallel connection of a normally closed contact and a delay normally closed contact is connected between the manual control circuit and the sanding circuit, and the other end of the circuit is connected between the pressure relay and the delay coil or between the pressure relay and the normally open contact. In an emergency braking state, the pressure of a train pipe increases, and the pressure relay is closed to start sanding; and when a speed sensor detects that a rotating speed of wheels is lower than a preset value, the delay normally closed contact is disconnected after a set time to stop sanding, and sanding is not carried out when the locomotive runs at a low speed by controlling the amount of sanding through the delay relay so as to save resources, protect the environment, and avoid potential safety hazards.
Description
Technical field
The utility model relates to the diesel locomotive electronic control technology, relates in particular to a kind of diesel locomotive stucco electrical controller.
Background technology
For giving full play to the locomotive adhesive tractive effort, prevent wheel slipping and slide, the DF7 series internal combustion locomotive is provided with sanding device; Sanding device is comprised of electromagnetic valve, sander and pipeline.The driver controls stucco by foot-operated switch, when perhaps the locomotive control microcomputer detects wheel pair idling, and stucco automatically.
The principle of existing automatically controlled sanding device as shown in Figure 1, the stucco control process is as follows:
1) control stucco by manual control circuit, left food switch 1 and right threading switch 2 are housed on operating console driver pedal, when one of them switch is closed, there is one to get electronic work in forward electromagnetic valve and reverse electromagnetic valve, the pressure air that comes from total reservoir enters sander, by sand pipe, sand blasting is spread on rail level, forward electromagnetic valve and reverse electromagnetic valve comprise that by an a pair of locomotive reversing plug normal open switch 5 and normally closed switch 6 control respectively, only make the stucco of locomotive forward direction; Main supply switch 7 is used for safeguarding or the maintenance electric control circuit is used; During online use, because the power supply voltage height does not wait, the first diode 8 is used for control electric current one direction and passes through major loop by reverse electromagnetic valve coil 4, the three diodes 10 for controlling the electric current one direction for controlling the electric current one direction by forward electromagnetic valve coil 3, the second diodes 9;
2) control automatic stucco by pressure relay, when emergency braking, the pressure relay airduct fills wind, and circuit is connected in pressure relay 11 actions, and forward electromagnetic valve or reverse electromagnetic valve get electronic work, and the pressure air of total reservoir enters the sander stucco.
3) control automatic stucco by microcomputer control signal circuit 12, when the traction motor maximum current〉500A, the poor ratio with average current of maximum current〉20% the time, microcomputer is controlled stucco display fault Information demonstration " idle running " simultaneously if can eliminate idle running by stucco, difference between current diminishes, and automatically stops stucco.If idle running further increases, when ratio〉30% the time, microcomputer is controlled and is continued stucco and the linear main generator horsepower output that reduces, and shows simultaneously " serious idle running ".After idle running was eliminated, microcomputer stopped stucco automatically, and recovered the original power of main generator.
There is following shortcoming in prior art:
1, still frequent stucco when locomotive does not have speed not only causes the wasting of resources and environmental pollution, and consists of potential safety hazard.The sand pad that during the unit emergency braking, self stucco causes may be blocked track circuit; The sand pad that a plurality of locomotives cause in same local stucco for a long time can make the not conducting of track circuit of the locomotive that rested on afterwards on the sand pad, the crisis of formation accident equally.
2, only have foot-operated switch, the driver can only operate with pin, in case malfunctioning switch can't operate.
When 3, train starting draws, without stucco automatically, and after the idle running disappearance, nothing time-delay stucco function.Can't give full play to locomotive and start adhesive tractive effort.
4, in the section during servicing work emergency braking tests of locomotive brake gear be must Test item, this test causes unnecessary stucco.
The utility model content
The utility model provides a kind of diesel locomotive stucco electrical controller, is used for overcoming defective of the prior art, realizes saving sand grains, cuts the waste and environmental pollution; Increase the locomotive adhesion; Strengthen traffic safety.
the utility model provides a kind of diesel locomotive stucco electrical controller, this device comprises for according to train tube pressure and preset value comparative result and closed pressure relay, forward stucco electromagnetic valve, oppositely stucco electromagnetic valve and control circuit, this control circuit comprises two parallel branches that are connected between dc power anode and negative pole, and one of them parallel branch comprises this pressure relay, another parallel branch comprises the manual control circuit of series connection, stucco circuit and main supply switch, this device also comprises the speed sensor for detection of vehicle wheel rotational speed, pair of contact and slug relay that the vehicle wheel rotational speed that detects according to this speed sensor and preset rotation speed comparative result move, this comprises open contact and normally closed contact to the contact, described slug relay comprises time-delay coil and time-delay normally closed contact, described time-delay coil and open contact are all connected with described pressure relay, described normally closed contact is connected between described manual control circuit and stucco circuit with circuit one end after described time-delay normally closed contact is in parallel, the other end is connected between described pressure relay and time-delay coil or is connected between pressure relay and open contact.
Further, this control circuit also comprises the driving supervisory circuit that a pair of driving instruction is monitored and the triggering emergency braking makes the pressure relay closure when the driver sends wrong the execution, and this driving supervisory circuit is connected between pressure relay and time-delay coil or is connected between described pressure relay and open contact.
Wherein, described manual control circuit comprises the foot-operated switch of two parallel connections.
Wherein, described stucco circuit comprises forward stucco circuit in parallel and reverse stucco circuit, forward stucco circuit comprises a forward electromagnetic valve coil and a normally closed switch, and oppositely the stucco circuit comprises a reverse electromagnetic valve coil and a normal open switch, and this normal open switch and normally closed switch move simultaneously.
Particularly, this control circuit comprises that also one is used for according to wheel slipping and to the microcomputer control signal circuit of stucco circuit supply, this microcomputer control signal circuit one end connects high level, and the other end is connected between manual control circuit and stucco circuit.
Further, this control circuit also comprises the first diode, the second diode and the 3rd diode, wherein the first diode is connected with described forward electromagnetic valve coil and normally closed switch, described the second diode is connected with described reverse electromagnetic valve coil and normal open switch, and described the 3rd diode is connected with described pressure relay.
Wherein, described manual control circuit also is parallel with at least one hand push button.
Diesel locomotive stucco electrical controller of the present utility model, when emergency braking condition, it is large that train tube pressure becomes, pressure relay is closed, electromagnetic valve gets electric, the beginning stucco, the rotating speed that speed sensor detects wheel is during lower than preset value, and open contact is closed, and normally closed contact disconnects, the time-delay coil gets electric, the time-delay normally closed contact disconnects after through the time of setting, and controls the stucco amount by slug relay, can stucco when locomotive does not have speed, relative prior art economizes on resources, protection of the environment, avoids potential safety hazard; The sand pad blocking-up track circuit that during the unit emergency braking, self stucco can not cause; A plurality of locomotives can not cause the sand pad equally can not make the not conducting of track circuit of the locomotive that rested on afterwards on the sand pad in same local stucco for a long time yet yet, avoid the crisis of formation accident.
Description of drawings
Fig. 1 is the control circuit figure of prior art;
The control circuit state reference map one that Fig. 2 provides for the utility model embodiment;
The control circuit state reference map two that Fig. 3 provides for the utility model embodiment.
The specific embodiment
the state reference map of the control circuit that Fig. 2, Fig. 3 provide for the utility model embodiment, as shown in Figure 2, the utility model embodiment provides a kind of diesel locomotive stucco electrical controller, this device comprises for according to train tube pressure and preset value comparative result and closed pressure relay 11, forward stucco electromagnetic valve, oppositely stucco electromagnetic valve and control circuit, this control circuit comprises two parallel branches that are connected between dc power anode and negative pole, and one of them parallel branch comprises this pressure relay 11, another parallel branch comprises the manual control circuit 100 of series connection, stucco circuit 200 and main supply switch 7, this device also comprises the speed sensor for detection of vehicle wheel rotational speed, pair of contact and slug relay that the vehicle wheel rotational speed that detects according to this speed sensor and preset rotation speed comparative result move, this comprises open contact 14 and normally closed contact 13 to the contact, described slug relay comprises time-delay coil 15 and time-delay normally closed contact 16, time-delay coil 15 and open contact 14 are all connected with pressure relay 11, normally closed contact 13 is connected between manual control circuit 100 and stucco circuit 200 with circuit one end of time-delay normally closed contact 16 after in parallel, the other end is connected between described pressure relay 11 and time-delay coil 15 or is connected between pressure relay 11 and open contact 14.The connecting bridge order of time-delay coil 15 and open contact 14.Forward electromagnetic valve coil 3 gets electric forward electromagnetic valve action, and reverse electromagnetic valve coil 4 gets electric reverse electromagnetic valve action.
diesel locomotive stucco electrical controller of the present utility model, when emergency braking condition, it is large that train tube pressure becomes, pressure relay is closed, electromagnetic valve must be established the beginning stucco by cable, the rotating speed that speed sensor detects wheel is during lower than preset value, open contact 14 closures, normally closed contact 13 disconnects, as shown in Figure 3, time-delay coil 15 gets electric, time-delay normally closed contact 16 is through disconnecting after the time of setting, stucco amount when controlling low cruise by slug relay, can stucco when locomotive does not have speed, prior art economizes on resources relatively, protection of the environment, avoid potential safety hazard, the sand pad blocking-up track circuit that during the unit emergency braking, self stucco can not cause, a plurality of locomotives can not cause the sand pad equally can not make the not conducting of track circuit of the locomotive that rested on afterwards on the sand pad in same local stucco for a long time yet yet, avoid the crisis of formation accident.When emergency braking tests, during less than 0.5 kilometer, normally closed contact 13 automatic control circuits disconnect when locomotive speed, and 16 time-delay of time-delay normally closed contact disconnected in 5 seconds afterwards, and 200 energisings of stucco circuit were that stucco stopped after 5 seconds in 5 seconds, cut the waste and environmental pollution.Can be according to the slug relay of the selection different size of time expand.
Preferred implementation as above-described embodiment, this control circuit also comprises the driving supervisory circuit 17 that a pair of driving instruction is monitored and the triggering emergency braking makes the pressure relay closure when the driver sends wrong the execution, and this driving supervisory circuit 17 is connected between pressure relay 11 and time-delay coil 15 or is connected between pressure relay 11 and open contact 14.
During locomotive running gear, during due to driver inattention or execution error, the driving supervisory circuit is punished braking maneuver automatically, locomotive is implemented emergency braking, to control circuit, pressure relay is closed by circuit for the stucco signal, and forward electromagnetic valve coil 3 or reverse electromagnetic valve coil 4 get the electronic stucco of doing, until locomotive speed be per hour (can set as required) less than 0.5 kilometer the time, delaying time stopped stucco after 5 seconds.Avoid the also potential safety hazard brought of stucco always of suspension of service sanding device.
Described stucco circuit comprises forward stucco circuit in parallel and reverse stucco circuit, forward stucco circuit comprises a forward electromagnetic valve coil 3 and a normally closed switch 6, oppositely the stucco circuit comprises a reverse electromagnetic valve coil 4 and a normal open switch 5, and this normal open switch 5 moves simultaneously with normally closed switch 6.It is that normal open switch 5 and normally closed switch 6 are controlled that the stucco direction is subjected to the locomotive reversing plug, and during the operation of locomotive forward, normally closed switch 6 and normal open switch 5 are in the normal state, i.e. forward stucco circuit turn-on, and oppositely the stucco circuit disconnects, and the forward electromagnetic valve gets electric to wheel the place ahead stucco; Otherwise during locomotive transposing headstock reverse direction operation, normally closed switch 6 disconnects, normal open switch 5 closures, i.e. and forward stucco circuit disconnects, reverse stucco closing of circuit, reverse electromagnetic valve gets electric to wheel the place ahead stucco.
This control circuit comprises that also one is used for according to wheel slipping and to the microcomputer control signal circuit 12 of stucco circuit supply, this microcomputer control signal circuit one end connects high level, and the other end is connected between manual control circuit 100 and stucco circuit 200.During the locomotive traction traveling, computer control device can judge whether locomotive dallies by six traction motor current sizes, if dally, output signal is controlled electromagnetic valve and is got electronic do control stucco, until the traction reply, after idle running disappeared 5 seconds, close output signal, stop stucco.When locomotive began to start, for increasing adhesion, the automatic output signal of computer control device was controlled electromagnetic valve and is got electronic do control stucco, until after 10 seconds, close output signal, stops stucco.
This control circuit also comprises the first diode 8, the second diode 9 and the 3rd diode 10, wherein the first diode 8 is connected with forward electromagnetic valve coil 3 and normally closed switch 6, the second diode 9 is connected with reverse electromagnetic valve coil 4 and normal open switch 5, and the 3rd diode 10 is connected with pressure relay 11.The first diode 8 is used for controlling the electric current one direction by forward electromagnetic valve coil 3, the second diode 9 is used for controlling the electric current one direction by reverse electromagnetic valve coil 4, the 3rd diode 10 is used for controlling the electric current one direction by slug relay and open contact and normally closed contact, and when making a plurality of locomotive interlock, whole control circuit is avoided disturbing.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. diesel locomotive stucco electrical controller, this device comprises for according to train tube pressure and preset value comparative result and closed pressure relay, forward stucco electromagnetic valve, oppositely stucco electromagnetic valve and control circuit, this control circuit comprises two parallel branches that are connected between dc power anode and negative pole, and one of them parallel branch comprises this pressure relay, another parallel branch comprises the manual control circuit of series connection, stucco circuit and main supply switch, it is characterized in that, this device also comprises the speed sensor for detection of vehicle wheel rotational speed, pair of contact and slug relay that the vehicle wheel rotational speed that detects according to this speed sensor and preset rotation speed comparative result move, this comprises open contact and normally closed contact to the contact, described slug relay comprises time-delay coil and time-delay normally closed contact, described time-delay coil and open contact are all connected with described pressure relay, described normally closed contact is connected between described manual control circuit and stucco circuit with circuit one end after described time-delay normally closed contact is in parallel, the other end is connected between described pressure relay and time-delay coil or is connected between pressure relay and open contact.
2. combustion engine stucco electrical controller according to claim 1, it is characterized in that, this control circuit also comprises the driving supervisory circuit that a pair of driving instruction is monitored and the triggering emergency braking makes the pressure relay closure when the driver sends wrong the execution, and this driving supervisory circuit is connected between pressure relay and time-delay coil or is connected between described pressure relay and open contact.
3. combustion engine stucco electrical controller according to claim 1, is characterized in that, described manual control circuit comprises the foot-operated switch of two parallel connections.
4. combustion engine stucco electrical controller according to claim 1, it is characterized in that, described stucco circuit comprises forward stucco circuit in parallel and reverse stucco circuit, forward stucco circuit comprises a forward electromagnetic valve coil and a normally closed switch, oppositely the stucco circuit comprises a reverse electromagnetic valve coil and a normal open switch, and this normal open switch and normally closed switch move simultaneously.
5. combustion engine stucco electrical controller according to claim 4 according to claim, it is characterized in that, this control circuit comprises that also one is used for according to wheel slipping and to the microcomputer control signal circuit of stucco circuit supply, this microcomputer control signal circuit one end connects high level, and the other end is connected between manual control circuit and stucco circuit.
6. combustion engine stucco electrical controller according to claim 4, it is characterized in that, this control circuit also comprises the first diode, the second diode and the 3rd diode, wherein the first diode is connected with described forward electromagnetic valve coil and normally closed switch, described the second diode is connected with described reverse electromagnetic valve coil and normal open switch, and described the 3rd diode is connected with described pressure relay.
7. according to claim 1-6 arbitrary described combustion engine stucco electrical controllers, is characterized in that, described manual control circuit also is parallel with at least one hand push button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695846 CN202944338U (en) | 2012-12-14 | 2012-12-14 | Sanding electric control device of internal combustion locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695846 CN202944338U (en) | 2012-12-14 | 2012-12-14 | Sanding electric control device of internal combustion locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202944338U true CN202944338U (en) | 2013-05-22 |
Family
ID=48420049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220695846 Withdrawn - After Issue CN202944338U (en) | 2012-12-14 | 2012-12-14 | Sanding electric control device of internal combustion locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202944338U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043061A (en) * | 2012-12-14 | 2013-04-17 | 北京二七轨道交通装备有限责任公司 | Sand spreading electrical control device for internal combustion locomotive |
| CN108001470A (en) * | 2017-11-30 | 2018-05-08 | 中车唐山机车车辆有限公司 | Stucco control method and device |
| CN108928353A (en) * | 2018-06-06 | 2018-12-04 | 中车青岛四方机车车辆股份有限公司 | Train stucco method and device |
-
2012
- 2012-12-14 CN CN 201220695846 patent/CN202944338U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043061A (en) * | 2012-12-14 | 2013-04-17 | 北京二七轨道交通装备有限责任公司 | Sand spreading electrical control device for internal combustion locomotive |
| CN103043061B (en) * | 2012-12-14 | 2016-08-10 | 中车北京二七机车有限公司 | Diesel locomotive stucco electric control gear |
| CN108001470A (en) * | 2017-11-30 | 2018-05-08 | 中车唐山机车车辆有限公司 | Stucco control method and device |
| CN108928353A (en) * | 2018-06-06 | 2018-12-04 | 中车青岛四方机车车辆股份有限公司 | Train stucco method and device |
| CN108928353B (en) * | 2018-06-06 | 2020-01-10 | 中车青岛四方机车车辆股份有限公司 | Sand spreading method and device for train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20160810 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |