JPS6319692B2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a remote start/stop operation device for a combustion engine for a vehicle, and more specifically, the present invention relates to a remote start/stop operation device for a combustion engine for a vehicle. The present invention relates to a start/stop operation device that allows a gondola or the like to remotely stop and start the combustion engine of an idling vehicle to drive a hydraulic motor.

[Prior art] High-altitude work vehicles and bridge repair vehicles that have a gondola for workers to ride on at the tip of a support and move it to perform work at a desired position, as well as crane vehicles that move suspended objects as appropriate. For vehicles that use several hydraulic cylinders to extend and tilt their props, cranes, etc., the equipment mounted on the vehicle is kept in an idling state at all times so that the gondola, etc. can be moved arbitrarily during the work. However, this power can also be used to drive a hydraulic motor.

For example, a worker at the rear of the aerial work vehicle 1 or a worker inside the gondola 2 shown in FIG. When working inside the gondola 2 etc. for a long period of time, i.e. when it is no longer necessary to operate the hydraulic cylinders 4 and 5, the idling engine must be stopped in order to drive a hydraulic motor (not shown). The hydraulic circuit is also locked to prevent any problems. Therefore, after the hydraulic circuit is locked, the driver in the driver's seat can stop the engine by turning off the main switch, but the operator inside the gondola can reactivate the hydraulic cylinder and change the position. If you wish to do so, you must notify the driver accordingly. Furthermore, if there is no driver, the engine cannot be started. Therefore, even while the gondola is stationary at a predetermined position and the gondola is being worked on, the engine is generally kept in an idling state at all times. Therefore, even when work at a predetermined position is prolonged, the engine remains in operation and each electrical system is operated, resulting in wasteful consumption of fuel and power. In addition, the driver accidentally operated the main switch while working inside the gondola.
There is a risk of starting the vehicle. As an example of a product that solved this problem, Japanese Patent Application Laid-Open No. 55-66635
There is a remote engine operation device described in the publication. According to this device, the engine can be stopped remotely by closing the intake manifold with a shutter, and it can also be started remotely by opening the intake manifold and energizing the starter motor. ing.

[Problem that the invention seeks to solve]

In order to realize the above operation, a switch for driving a motor for operating the shutter is provided on the remote control panel. A relay contact within a safety device is connected in series to this remote control switch to ensure safety during switch operation. The above-mentioned switch in such a circuit structure is of an on/off type that connects and disconnects the current-carrying contact, and is connected to the relay contact in the above-mentioned safety device through a single wire. Although not directly related to the connection form, according to the above circuit structure, if the engine is stopped using the remote control switch, the intake manifold will be closed.
It is no longer possible to start the engine from the driver's seat or the rear of the vehicle. That is, when the engine is stopped, it may not be possible to start it from the ground side, resulting in disadvantages and inconveniences.

The present invention has been made to solve the above-mentioned problems, and allows an operator to remotely stop and start the operation of the engine when there is no need to operate the hydraulic cylinder. By making it possible to start the gondola from outside the gondola, for example from the driver's seat, while the gondola is stopped, we aim to diversify the start times and increase the mobility of the work equipment.
In addition, it is an object of the present invention to provide a remote start/stop operation device for a combustion engine for a vehicle, which reduces fuel and electric power consumption during operation, saves energy, and avoids dangerous erroneous operations by the driver.

[Means for solving problems]

The features of the remote start/stop operation device for a combustion engine for a vehicle according to the present invention are explained below based on FIG. A starting/stopping device for a combustion engine in which an ignition circuit 20 and a starter circuit 24 are connected to a changeover type main switch 11, in which an opening/closing contact 31 is interposed in the ignition circuit 20,
A two-position ignition switch 41 and a remote ignition switch 33 that form a parallel circuit 42 and switch the circuit are connected to a remote ignition circuit 34 that is branched from the open/close contact 31 and the main switch 11. A relay 37 for operating the opening/closing contact 31 is arranged in series with the remote ignition switch 33, and in addition, a starter connection line is branched from between the remote ignition switch 33 and the relay 37 and connected to the starter circuit 24. 39, self-resetting starter switch 38
It was through the intervention of

[Effect]

When stopping the engine remotely, the two-position remote ignition switch 33 is pressed to switch the connection from one contact, for example A1, to the other contact B1. As a result, the power to the relay 37 is cut off, and the opening/closing contact 31 is placed in a cut-off state. The ignition coil loses power and the engine stops. When starting an engine that has been stopped in this way, pushing the two-position remote ignition switch 33 to the opposite side connects the original contact A1, so the relay 37 is energized. As a result, the opening/closing contact 31 enters the connected state. Since the main switch 11 remains connected to the IG contact, pressing the starter switch 38 will start the engine by energizing the starter and ignition coil. On the other hand, when the engine is stopped by switching the remote ignition switch 33, the two-position ignition switch 41 is pressed from the driver's seat, etc., and one contact is pressed, e.g.
Switch the connection from A2 to the other contact B2. relay 3 via remote ignition switch 33 which has thereby already been switched on.
7 can be energized, and the engine is then started by normal starting operation. If you want to stop the engine from running, you can stop the engine from the driver's seat by switching the two-position ignition switch 41 to the other side. It is possible to leave open the possibility of activation by

〔Example〕

Hereinafter, the present invention will be explained in detail based on examples thereof. Figure 2 shows an example applied to a gasoline engine.
It is a circuit diagram in which a remote start/stop operation device is incorporated into a circuit connected to a main switch. Battery 1
The switch type main switch 11 connected to 0 and mounted on the driver's seat has an ACC contact, an IG contact, and a self-resetting ST1 contact and ST2 contact.The ACC contact has an accessory circuit 13 for the radio 12, etc. is connected, and the IG contact is connected to an electrical system circuit 15 that supplies power to various instruments, lamps, etc. 14, and a low voltage current is supplied to the primary coil of an ignition coil 17 via a resistor 16, and the secondary coil The induced high voltage current is transmitted to the distributor 18.
An ignition circuit 20 is connected in parallel with an ignition coil circuit 19 that supplies power to the engine. In addition, the ignition coil 17
A connecting wire 21 directly connected to the ST2 contact is attached. And, the ST1 contact is connected to the starter motor 2.
Starter magnet 22 to supply power to 3.
A starter circuit 24 is connected thereto.

In the above start/stop circuit for the driver's seat,
Point 25 where the ignition circuit 20 branches into the electrical system circuit 15 and the ignition coil circuit 19
An opening/closing contact 31 is interposed between the opening/closing contact 31 and the IG contact, and a remote ignition switch 33 mounted in the gondola or on a portable remote control box 32 is interposed from the connection line between the opening/closing contact 31 and the IG contact. A remote ignition circuit 34 is connected. A relay 37 for operating the opening/closing contact 31 is arranged in series with the remote ignition switch 33, and the remote ignition circuit 34 includes the relay 37, a pilot lamp 35 in the remote control box 32, and an indicator in the driver's seat. A lamp 36 is arranged in parallel. Note that this relay 37 is connected to the ignition circuit 2 in the energized state.
This is to make the opening/closing contact 31 of No. 0 "open".

In addition to the above, the remote ignition circuit 3
4 remote ignition switch 33 to relay 3
A two-contact self-resetting starter switch 38 in the remote control box 32 is interposed between the starter connection line 3 and the starter connection line 3 which is directly connected to the starter circuit 24 and the ignition coil circuit 19, respectively.
9 and an ignition connection line 40 are provided. Note that if this ignition connection line 40 is not required, the starter switch 38 does not need to be a two-contact type.

A two-position ignition switch 41 that forms a parallel circuit 42 and switches the circuit is interposed in the remote ignition circuit 34,
This is installed in the driver's seat and other places. The remote ignition switch 33 is also of a two-position type as shown in FIG.
It is connected to a parallel circuit 42 consisting of 2b. By interposing this type of ignition switch 41, the engine can be started and stopped from outside the gondola, for example from the driver's seat or from the rear of the vehicle, making it highly flexible and highly variable in terms of operation. becomes. It is natural that the engine can be stopped by operating the main switch 11 from the driver's seat, but in such a case, it is no longer possible to start the engine using the remote ignition switch. When switching the ignition switch 41, the engine can be stopped while leaving this possibility intact. Of course, it is also possible to start the engine by operating the ignition switch 41 in the opposite direction and putting the main switch 11 into the ST1 contact.

According to the configuration described above, the gasoline engine can be started and stopped as follows. First, we will explain the operations in the driver's seat. When the driver turns the main switch 11 into the IG contact, the indicator lamp 36 lights up and at the same time, the ignition circuit 20 is also energized. If the indicator lamp 36 does not light up, it means that the open/close contact 31 is "off", and the two-position ignition switch 4
1 on the other side. That is, since the remote ignition switch 33 in the remote control box 32 is connected to either the A1 contact or the B1 contact, by pressing the two-position ignition switch 41, the corresponding contact, In Figure 2
Insert into A2 contact. As a result, power from the battery 10 is supplied to the relay 37 through the IG contact, the A2 contact of the changeover type ignition switch 41, the circuit 42a, and the A1 contact of the remote ignition switch 33, and the opening/closing contact 31 is turned on. As a result, the indicator lamp 36 lights up and the ignition circuit 20 is also energized.

In this state, the driver presses the main switch 11.
When the ST1 contact is turned on, the ST2 contact is also turned on at the same time, so the starter motor 23 is driven and high power is simultaneously supplied to the ignition coil 17, starting the engine. If you let go of the main switch 11 after confirming startup, it will automatically return to the IG contact, but then low power will be supplied to the ignition coil circuit 19 via the resistor 16, so the engine will continue idling. . To stop the engine, it is sufficient to return the main switch 11 to at least the ACC contact.

Next, the operation of the remote control box 32 inside the gondola will be described. Assuming that the engine is currently in idling operation, the hydraulic pump is driven by the power, and the operator inside the gondola 2 operates the hydraulic cylinders 4 and 5 using the remote control lever 3a as appropriate to move the boom 6 to the desired position. Displace it to. At this time, the remote ignition circuit 34 is energized as described above, so the pilot lamp 35 and the indicator lamp 36 are lit. When the gondola reaches the desired position, the expansion and contraction of the hydraulic cylinders 4 and 5 is stopped and the hydraulic circuit is locked. Therefore, in order to stop the engine that was driving the hydraulic pump, the operator switches the remote ignition switch 33 of the remote control box 32 to the B1 contact.
As a result, the power to the pilot lamp 35, indicator lamp 36, and relay 37 is cut off, the opening/closing contact 31 of the ignition circuit 20 is turned off, the power supply to the ignition coil 17 is cut off, and the engine stops at the same time. Electrical system circuit 15 is also cut off.

When a certain task is completed and the boom 6 is to be moved or displaced, the operator switches the remote ignition switch 33 from the B1 contact to the A1 contact. Since the driver's main switch 11 remains connected to the IG contact, the pilot lamp 35 and indicator lamp 36 light up, and the relay 37 operates, and as a result, the opening/closing contact 31 of the ignition circuit 20 also becomes "open".

After confirming that the pilot lamp 35 is on, the worker turns on the self-returning starter switch 3.
When 8 is pressed, the starter magnet 22 and ignition coil 17 are energized via the starter connection line 39 and ignition connection line 40, respectively.
The engine starts. When the starter switch 38 is released, the ignition connection line 40 supplies high power.
is cut off together with the starter connection line 39, but the
Low electric power is supplied to the ignition coil 17 via the open/close contact 31 and the resistor 16, which are in the state, and the engine enters the idling state. Therefore, the hydraulic pump is driven and the boom 6 is connected to the hydraulic cylinder 4,
5 can be displaced again. Note that during this startup, it is not always necessary to supply high power to the ignition coil 17, so the starter switch 38 only needs to be able to drive at least the starter motor 23. Therefore, the ignition connection line 40 described above may be omitted. As described above, the operator can independently start and stop the engine without any communication with the driver.

In the above operation, the operator turns on the starter switch 38 after confirming that the pilot lamp 35 is lit.
ignition circuit 20.
The conduction state can be easily checked, and the driver can also check the same through the indicator lamp 36 in the driver's seat. By the way, even if the gondola worker stops the engine by remote control, if the driver turns the two-position ignition switch 41 to the other side, the relay 37 will be energized, so the opening/closing will be stopped. The contact 31 becomes "open" and the driver can start the engine by operating the main switch 11 and setting the ST1 contact. On the other hand, the engine can also be stopped by operating the two-position ignition switch 41 in the opposite direction.
Since the main switch 11 is not operated to stop the engine at this time, the switch remains in the IG contact, and the possibility of activation by the remote ignition switch 33 can be secured.

Figure 3 shows an example applied to a diesel engine.
Portions that are not different from those described above are given the same reference numerals and explanations will be omitted. A glow circuit 52 for supplying power to a glow plug 51 is connected to the G contact of the main switch 11, and an electrical system circuit 15 is connected to the IG contact via an opening/closing contact 31. The glow circuit 52 and the electric system circuit 15 constitute an ignition circuit 20, and the electric system circuit 1
5 and a connection line 55 from the starter circuit 24 to the fuel control relay assembly 53 and the fuel control motor 54,
56 are connected. The remote control box 32 includes a glow switch 57 in addition to a starter connection line 39 with the above-mentioned self-resetting starter switch 38 interposed in the remote ignition circuit 34.
A glow connection line 58 having a diameter of 100 nm is branched in parallel, and this glow connection line 58 is connected to the glow circuit 52.

In such a configuration, if the remote ignition switch 33 in the remote control box 32 is switched in almost the same way as in the case of the gasoline engine described above,
The relay 37 is de-energized, the opening/closing contact 31 is turned off, the fuel control relay assembly 53 is no longer activated, and the diesel engine in the idling state is stopped.

If it is desired to drive the hydraulic motor after working in this state, the remote ignition switch 33 is switched to energize the relay 37 and the opening/closing contact 31 is turned on. The main switch 11 on the driver's seat is IG.
Since it is in the contact, the ignition circuit 20
is energized. Next, the worker turns on the glow switch 5.
7 and energizes the glow circuit 52 to heat the glow plug 51. After that, start switch 3
The engine can be started by pressing 8 to drive the starter motor 23. Note that starting and stopping of the engine from the driver's seat or the like using the two-position ignition switch 41 is performed in the same manner as in the previous embodiment.

〔Effect of the invention〕

As described above in detail regarding gasoline engines and diesel engines, the present invention incorporates a switch that can be remotely operated from outside the driver's seat in the ignition circuit and starter circuit at the start/stop operation positions of the combustion engine. The idling engine can be remotely stopped and started to drive the engine. Furthermore, the remote ignition circuit is equipped with a two-position ignition switch and a remote ignition switch that form a parallel circuit and switch the circuit, so even if the engine is stopped by remote control, It is possible to start the engine from the driver's seat, and it is also possible to stop the engine from the driver's seat while maintaining the ability to start it remotely. As a result, there is greater flexibility in starting and stopping the engine, e.g.
The mobility of the work equipment is improved by coordination between the workers inside the gondola and the workers on the ground, allowing each person to operate the engine in various cases depending on the work at the time, and to freely change the position of the gondola. can be increased. Of course, since the engine can be stopped during work in a fixed position, it is possible to avoid wasteful consumption of fuel and electricity.In addition, it is possible for the driver to accidentally operate the main switch and start the vehicle during work. It also avoids the risk of causing damage.

[Brief explanation of the drawing]

Fig. 1 shows an example of a vehicle to which the present invention is applied;
The figure shows an embodiment applied to a gasoline engine, and FIG. 3 shows an embodiment applied to a diesel engine. 11...Main switch, 20...Ignition circuit, 24...Starter circuit, 31...Opening/closing contact, 33...Remote ignition switch, 3
4...Remote ignition circuit, 37...Relay, 38...Starter switch, 39...Starter connection line, 41...Two-position ignition switch, 42...Parallel circuit.

Claims (1)

[Scope of Claims] 1. A start/stop device for a combustion engine in which an ignition circuit and a starter circuit are connected to a changeover type main switch, wherein an opening/closing contact is interposed in the ignition circuit, and a switching contact between the opening/closing contact and the main switch is provided. A two-position ignition switch that forms a parallel circuit and switches the circuit and a remote ignition switch are provided in the remote ignition circuit branched from between, and the remote ignition switch is connected in series with the remote ignition switch. A relay for activating the contact is arranged, and a self-resetting starter switch is interposed in a starter connection line branched from between the remote ignition switch and the relay and connected to the starter circuit. A remote start/stop control device for vehicle combustion engines.