CN214985202U - Safety protection associated control device for diesel underground scraper - Google Patents
Safety protection associated control device for diesel underground scraper Download PDFInfo
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- CN214985202U CN214985202U CN202121391884.XU CN202121391884U CN214985202U CN 214985202 U CN214985202 U CN 214985202U CN 202121391884 U CN202121391884 U CN 202121391884U CN 214985202 U CN214985202 U CN 214985202U
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Abstract
The utility model provides a safety protection associated control device of a diesel underground scraper, which comprises a door travel switch, wherein the door travel switch reflects the opening and closing state of a door; the door travel switch is connected with a normally-open point, the door is switched on when the door is closed, and the door is switched off when the door is opened. The utility model discloses a with ignition key, gear selector, driver's cabin door on-off state, Engine Controller (ECU), parking arresting gear, emergency braking device associated, design one set of safety protection associated control device for the engine starts under the safe state, and whole car shuts down the engine and reaches the purpose of in time braking when taking place emergency, improves whole car factor of safety.
Description
Technical Field
The utility model relates to an underground scraper technical field, concretely relates to diesel oil underground scraper safety protection associated control device.
Background
At present, the underground mining operation industry provides higher requirements for safe work when facing complex and severe working conditions. With the rapid development of modern industrial and scientific technology, the performance of the equipment is continuously improved, and the safety control function of the equipment is ignored to a certain extent.
The existing diesel powered underground scraper has the following disadvantages: 1. the vehicle can still start when the gear selector is not N-range and the cab door is open, resulting in a risk that the vehicle may run against the driver's driving intention. 2. In the driving process, the vehicle still runs after the cab door is opened, so that potential safety hazards are brought. 3. During emergency braking, if a driver operates the engine by mistake, the engine can still provide power output, so that the braking is not timely or danger occurs when the braking distance is long.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a diesel oil underground scraper safety protection associated control device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the safety protection associated control device of the diesel underground scraper comprises a door travel switch, wherein the door travel switch is used for reflecting the opening and closing state of a door; the door travel switch is connected with a normally-open point, the door is switched on when closed, and the door is switched off when opened;
the N gear state of the gear selector is reflected by starting the locking relay through the N gear; when the gear selector selects the N gear, the relay is closed, and when the N gear is not selected, the relay is opened; the starting condition of the engine is jointly determined by a door travel switch and a locking relay of an N gear;
the START gear of the key switch is connected with the door travel switch in series, so that the door switch state can play a role in controlling the starting of the engine;
the normally closed point of the door travel switch is connected in series with the normally closed point of the emergency stop switch and the normally closed point of the vehicle body emergency stop switch, and is connected to an engine work maintaining input port of an engine ECU (electronic control Unit), and when the switch is disconnected, the input port is powered off, the engine stops and power output is cut off;
the parking switch normally-closed point, the emergency stop switch normally-closed point and the vehicle body emergency stop switch normally-closed point are connected with a parking electromagnetic valve in series, when the switch is pressed down, the parking electromagnetic valve is powered off, the parking electromagnetic valve is disconnected, the parking brake is started, and the vehicle is braked;
the ignition key, the door travel switch, the starting protection relay, the starting relay, the gear selector, the N-gear locking relay and the engine ECU starting locking output are associated to control the starting condition of the engine;
the door travel switch, the parking switch, the emergency stop switch, the vehicle body emergency stop switch and the engine ECU work holding input port are related, and the emergency braking condition, the braking of the whole vehicle after the emergency braking and the engine stopping are controlled.
Preferably, the door travel switch is connected in series with a normally closed point of a starting locking relay, and a coil of the starting locking relay is connected with a starting locking output of the engine controller; the purpose of starting the locking relay is that after the engine is started, the engine controller outputs a high-level signal to pull in the relay, the connection is disconnected, and secondary starting is prevented.
Preferably, the normally closed contact of the starting and locking relay is connected with the coil of the starting relay in series, and the normally open contact of the starting relay is connected with the starting motor in series, so that the aim of isolating large current is fulfilled.
Preferably, the starting relay coil is connected in series with a normally open contact of the N-gear starting locking relay, the N-gear starting locking relay coil is connected in series with an N-gear contact of the gear selector, and the N-gear contact is connected and electrified with an IG point of the ignition switch when the gear selector is in the N gear, so that the N-gear starting locking relay contact is attracted, and the purpose of controlling the engine to be started in the N gear is achieved.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a with ignition key, gear selector, driver's cabin door on-off state, Engine Controller (ECU), parking arresting gear, emergency braking device associated, design one set of safety protection associated control device for the engine starts under the safe state, and whole car shuts down the engine and reaches the purpose of in time braking when taking place emergency, improves whole car factor of safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a safety protection associated control device for a diesel underground scraper includes a door travel switch, which reflects a door opening and closing state; the door travel switch is connected with a normally-open point, the door is switched on when closed, and the door is switched off when opened;
the N gear state of the gear selector is reflected by starting the locking relay through the N gear; when the gear selector selects the N gear, the relay is closed, and when the N gear is not selected, the relay is opened; the starting condition of the engine is jointly determined by a door travel switch and a locking relay of an N gear;
the START gear of the key switch is connected with the door travel switch in series, so that the door switch state can play a role in controlling the starting of the engine;
the normally closed point of the door travel switch is connected in series with the normally closed point of the emergency stop switch and the normally closed point of the vehicle body emergency stop switch, and is connected to an engine work maintaining input port of an engine ECU (electronic control Unit), and when the switch is disconnected, the input port is powered off, the engine stops and power output is cut off;
the parking switch normally-closed point, the emergency stop switch normally-closed point and the vehicle body emergency stop switch normally-closed point are connected with a parking electromagnetic valve in series, when the switch is pressed down, the parking electromagnetic valve is powered off, the parking electromagnetic valve is disconnected, the parking brake is started, and the vehicle is braked;
the ignition key, the door travel switch, the starting protection relay, the starting relay, the gear selector, the N-gear locking relay and the engine ECU starting locking output are associated to control the starting condition of the engine;
the door travel switch, the parking switch, the emergency stop switch, the vehicle body emergency stop switch and the engine ECU work holding input port are related, and the emergency braking condition, the braking of the whole vehicle after the emergency braking and the engine stopping are controlled.
The door travel switch of the embodiment is connected in series with a normally-closed point of a starting locking relay, and a coil of the starting locking relay is connected with a starting locking output of an engine controller; the purpose of starting the locking relay is that after the engine is started, the engine controller outputs a high-level signal to pull in the relay, the connection is disconnected, and secondary starting is prevented.
The normally closed contact of the starting locking relay is connected with the coil of the starting relay in series, and the normally open contact of the starting relay is connected with the starting motor in series, so that the aim of isolating large current is fulfilled.
The starting relay coil of the embodiment is connected in series with the normally open contact of the N-gear starting locking relay, the N-gear starting locking relay coil is connected in series with the N-gear contact of the gear selector, and the N-gear contact is connected with the IG point of the ignition switch when the N gear of the gear selector is shifted so as to attract the N-gear starting locking relay contact and achieve the purpose of controlling the starting of the engine through the N gear. The storage battery supplies power to the system through a power main switch by a 24V power supply; the engine is started by a starter motor; 63A breaker, 15A, 10A fuse, respectively for corresponding line insurance.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (4)
1. The safety protection associated control device of the diesel underground scraper is characterized by comprising a door travel switch, wherein the door travel switch is used for reflecting the opening and closing state of a door; the door travel switch is connected with a normally-open point, the door is switched on when closed, and the door is switched off when opened;
the N gear state of the gear selector is reflected by starting the locking relay through the N gear; when the gear selector selects the N gear, the relay is closed, and when the N gear is not selected, the relay is opened; the starting condition of the engine is jointly determined by a door travel switch and a locking relay of an N gear;
the START gear of the key switch is connected with the door travel switch in series, so that the door switch state can play a role in controlling the starting of the engine;
the normally closed point of the door travel switch is connected in series with the normally closed point of the emergency stop switch and the normally closed point of the vehicle body emergency stop switch, and is connected to an engine work maintaining input port of an engine ECU (electronic control Unit), and when the switch is disconnected, the input port is powered off, the engine stops and power output is cut off;
the parking switch normally-closed point, the emergency stop switch normally-closed point and the vehicle body emergency stop switch normally-closed point are connected with a parking electromagnetic valve in series, when the switch is pressed down, the parking electromagnetic valve is powered off, the parking electromagnetic valve is disconnected, the parking brake is started, and the vehicle is braked;
the ignition key, the door travel switch, the starting protection relay, the starting relay, the gear selector, the N-gear locking relay and the engine ECU starting locking output are associated to control the starting condition of the engine;
the door travel switch, the parking switch, the emergency stop switch, the vehicle body emergency stop switch and the engine ECU work holding input port are related, and the emergency braking condition, the braking of the whole vehicle after the emergency braking and the engine stopping are controlled.
2. The diesel underground scraper safety protection associated control device of claim 1, wherein the door travel switch is connected in series with a start lock relay normally closed point, the start lock relay coil being connected to a start lock output of an engine controller; the purpose of starting the locking relay is that after the engine is started, the engine controller outputs a high-level signal to pull in the relay, the connection is disconnected, and secondary starting is prevented.
3. The safety protection association control device of the diesel underground scraper according to claim 1, wherein the normally closed contact of the starting locking relay is connected in series with a coil of the starting relay, and the normally open contact of the starting relay is connected in series with a starting motor, so that the purpose of isolating large current is achieved.
4. The safety protection associated control device of the diesel underground scraper is characterized in that the starting relay coil is connected in series with a normally open contact of an N-gear starting locking relay, the N-gear starting locking relay coil is connected in series with an N-gear contact of the gear selector, and the N-gear contact is connected with an IG point of an ignition switch when the gear selector is in an N gear, so that the N-gear starting locking relay contact is attracted, and the purpose of controlling the starting of an engine in the N gear is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391884.XU CN214985202U (en) | 2021-06-22 | 2021-06-22 | Safety protection associated control device for diesel underground scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391884.XU CN214985202U (en) | 2021-06-22 | 2021-06-22 | Safety protection associated control device for diesel underground scraper |
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| Publication Number | Publication Date |
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| CN214985202U true CN214985202U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121391884.XU Active CN214985202U (en) | 2021-06-22 | 2021-06-22 | Safety protection associated control device for diesel underground scraper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116161003A (en) * | 2022-12-31 | 2023-05-26 | 江苏天明特种车辆有限公司 | Automatic shutdown braking system of mining explosion-proof trackless rubber-tyred vehicle |
-
2021
- 2021-06-22 CN CN202121391884.XU patent/CN214985202U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116161003A (en) * | 2022-12-31 | 2023-05-26 | 江苏天明特种车辆有限公司 | Automatic shutdown braking system of mining explosion-proof trackless rubber-tyred vehicle |
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