JP4244722B2 - Vehicle instrument - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicular instrument that is switched between a sleep mode in which operation is suspended and an operation mode and that controls driving of the rotating inner unit in the operating mode, and monitors energization of the rotating inner unit in the operating mode. The present invention relates to an invention for saving electricity.
[0002]
[Prior art]
Conventionally, in a vehicle instrument using a microcomputer, a rotating internal unit (that is, a cross coil) of a constant clock is used during the period from the microcomputer operation mode (Wake up mode) to the sleep mode. A method of exciting movements such as a drive method and a step motor drive method was employed.
[0003]
[Problems to be solved by the invention]
In recent years, as a requirement for the establishment of the microcomputer operation mode (Wake up mode), when switching to the operation mode according to communication information from the in-vehicle LAN (local communication) connecting various devices in the vehicle and the opening of the vehicle door There is. At this time, even if the ignition switch is switched from ON to OFF, if the door is open or communication continues, the microcomputer maintains the operation mode and does not switch to the sleep mode. . For this reason, the state of exciting the turning internal unit of the instrument continues, and there is a possibility that the battery will run out due to the current consumption.
[0004]
The present invention has been made in view of the above points, and an object of the present invention is to provide a vehicular instrument that can save electricity by monitoring the energization state of the rotating internal unit in the operation mode.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention employs the following technical means.
[0006]
According to the first aspect of the present invention, the operation is paused in response to a rotation internal unit that drives the display pointer and a signal that is constantly supplied with power and detects the operation states of a plurality of detection targets including the ignition switch. The drive control means that is switched between the sleep mode and the operation mode and that is energized in the operation mode to control the rotation of the rotating internal unit, and when the drive control means is in the operation mode, the ignition switch is turned from ON to OFF. And a power supply monitoring means for stopping the power supply to the rotating internal unit after a predetermined time from the time of switching.
[0007]
As a result, even when the drive control means is in the operation mode, when the ignition switch is turned OFF, power supply to the rotating inner unit is suppressed by stopping energization to the rotating inner unit after a predetermined time. For example, when the vehicle is left in a half-door state, it is possible to eliminate the cause of battery exhaustion.
[0008]
According to the second aspect of the present invention, the drive control means includes at least an open / close signal indicating the open / close state of the vehicle door, a lock presence / absence signal indicating lock / unlock of the vehicle door, and an ON / OFF signal of the ignition switch. Upon receiving any of the three types of detection signals and detecting any one of the opening signal of the vehicle door, the unlocking signal indicating unlocking, and the ON signal of the ignition switch, the operation mode is switched, while the closing signal of the vehicle door is When the lock signal indicating lock and the OFF signal of the ignition switch are both detected, it is configured to switch to the sleep mode, so that information indicating the start and end of vehicle use is effectively detected, and the operation mode or sleep mode is entered. Can be switched quickly.
[0009]
According to the third aspect of the present invention, a rotating internal unit that drives the display pointer and a sleep state that is constantly supplied with power and that suspends operation in response to a signal that detects the operating states of a plurality of detection targets including an ignition switch. And a control means comprising a microcomputer that is switched between the operation mode and the operation mode and is energized in the operation mode to drive and control the rotating internal unit, and the control means is in the operation mode. Further, the present invention is characterized in that it has energization monitoring means for stopping energization of the rotating inner unit after a predetermined time from the time when the ignition switch is switched from ON to OFF, regardless of the operation mode. Thus, the same effect as in the first aspect of the invention can be obtained.
[0010]
According to the fourth and fifth aspects of the present invention, the energization monitoring means stops the energization of the internal switch and then again turns on the ignition switch while the drive control means (or control means) is in the operation mode. When there is a switch from OFF to ON, by resuming energization to the rotating inner unit, the vehicle can be used again in the state where the operation mode is maintained even after the energization is forcibly stopped when the ignition switch is turned off. When necessary, it is possible to resume energization of the rotating inner unit. That is, both reduction in power consumption and convenience can be achieved.
[0011]
According to the sixth aspect of the present invention, the operation is paused in response to a rotating internal unit that drives the display pointer and a signal that is constantly supplied with power and detects the operating states of a plurality of detection targets including the ignition switch. The drive control means is switched between the sleep mode and the operation mode, and is energized in the operation mode to drive and control the rotating internal unit, and the ignition switch is in the OFF state when the drive control means is in the operation mode. In some cases, there is provided an energization monitoring means for stopping energization to the rotating inner unit regardless of the operation mode.
[0012]
Thereby, even when the drive control means is in the operation mode, the power consumption in the rotating inner unit can be further suppressed by stopping the energization of the rotating inner unit when the ignition switch is in the OFF state. For example, it is possible to eliminate the cause of the battery running out when the user does not start the engine for a while after getting on the vehicle or when the vehicle is left in a half-door state after the engine is stopped.
[0013]
According to the seventh aspect of the present invention, the operation is suspended in response to a rotation inner unit that drives the display pointer and a signal that is constantly supplied with power and detects an operation state of a plurality of detection targets including an ignition switch. Drive control means that switches between a sleep mode and an operation mode that are energized and drives and controls the rotating internal unit in the operation mode, and when the drive control means is in the operation mode, the ignition switch is turned from OFF to ON Energization monitoring that starts energizing the rotating internal unit at the time of switching and stops energizing the rotating internal unit regardless of the operation mode after a predetermined time from when the ignition switch is switched from ON to OFF. Means.
[0014]
Thereby, even when the drive control means is in the state of the operation mode, when the ignition switch is in the OFF state, by stopping energization to the rotating inner unit, further reducing the power consumption in the rotating inner unit, Maintaining energization for a predetermined time from when the ignition switch is switched from ON to OFF enables flexible response to, for example, return control to the initial position of the rotating internal unit, reducing power consumption and functionality It is possible to achieve both enhancements.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0016]
(One embodiment)
1 is a block diagram showing the overall configuration of the vehicle meter, FIG. 2 is a flowchart showing the operation of the energization monitoring means, and FIG. 3 is a time chart showing the operation of the main part shown in FIG.
[0017]
In FIG. 1, the vehicle instrument device 1 is connected in parallel through a diode 101 and 102 with a path for receiving a constant power supply from the in-vehicle battery 2 and a path for receiving a power supply via the ignition switch 3. The opening / closing switch 4 for detecting the opening / closing of the vehicle door is a general term for door opening / closing switches provided on the driver's seat side, the passenger seat side, and others. In this example, the switch is closed when the door is opened, and opened when the door is closed. is there. The in-vehicle LAN 5 is for connecting various control devices related to body electrical components arranged around an instrument panel or door, for example, and performs various communications and control, and a part of the communication signal passes through the transistor 6. Is also input to the instrument device 1. For example, it indicates the start / end of vehicle use or on-vehicle equipment use, such as a lock presence / absence signal from a remote switch (not shown), a driving instruction signal from an occupant, or a boarding signal from a seat switch provided on a seat such as a driver's seat I have information.
[0018]
In the vehicle instrument device 1, the control unit 10 constitutes a control means, and is composed of a microcomputer including a CPU, a ROM, and a RAM, peripheral devices, and the like. Drive control means 11 to be activated, and energization monitoring means 12 to monitor the operating state of the control unit 10 including the drive control means 11 and to perform a power saving operation.
[0019]
The drive control means 11 inputs detection information such as the vehicle speed, the engine speed, the remaining amount of fuel, the cooling water temperature, and the like, and includes a plurality of rotary inner units 21, 22, and 23 that rotationally drive display pointers (not shown). The analog display unit 20 including the indicator unit 30 and the indicator unit 30 that performs the shift position display of the automatic transmission, various warning displays, and the monitor display by the light emitting diode 31 and the like are driven and controlled. The rotary inner units 21, 22, and 23 are configured by movements such as a step motor drive system and a cross coil drive system that require excitation control, and rotate a pointer shaft (not shown) connected to the pointer by excitation. It is a method to make it. The constant voltage circuit 40 generates a constant voltage 5v and supplies it to the control unit 10.
[0020]
The logic circuit 50 is mainly composed of a transistor 51 and diodes 52, 53, and 54. As a plurality of detection targets, a door open signal by closing the open / close switch 4, an H level communication start signal S1, and an ignition switch 3 ON When any one of the signals is input (OR logic), the H level detection signal S2 is given to the drive control means 11 and the energization monitoring means 12 to switch to the operation mode (Wake up mode). On the other hand, when all of the door closing signal due to opening of the opening / closing switch 4, the L level communication stop signal S1, and the OFF signal of the ignition switch 3 are detected and inputted (AND logic), the L level detection signal S2 is driven and controlled for the first time. 11 and the energization monitoring means 12 to switch from the operation mode to a sleep mode in which the operation is suspended.
[0021]
In this example, by increasing the probability that the control unit 10 enters the operation mode as described above, it is possible to flexibly respond to various communication and control by the interior lighting of the interior light and the in-vehicle LAN 5 even after the ignition switch 3 is turned off. I have to.
[0022]
The communication interface 60 adjusts the communication signal S1 that is a combination of 1-bit H and L level time series signals output from the transistor 6, for example, to a signal in a predetermined format according to the communication content, and drives the control unit 10 By giving the control means 11 and the energization monitoring means 12, display control is performed. In addition to the above, the open / close signal S3 of the open / close switch 4 and the ON / OFF signal S4 of the ignition switch 3 are directly input to the control unit 10 so that the states of the switches 3 and 4 can be individually recognized.
[0023]
Next, the operation of the energization monitoring means 12, which is a characteristic part of the present invention, will be described with reference to FIGS.
[0024]
First, when the vehicle instrument device 1 is connected to the battery 2, the energization monitoring means 12 is initialized, initially set to the sleep mode, and the flag F = 0 is set (step S1). 201).
[0025]
Therefore, as shown at time t1, for example, when there is no occupant in the vehicle and the control unit 10 is in the sleep mode, the energization monitoring means 12 performs the door open / close signal of the open / close switch 4, the communication signal S1 from the LAN 5, and the ignition switch. 3 ON / OFF signal is input (step 202). At this time, none of the door opening signal due to closing of the opening / closing switch 4, the H level communication start signal, and the ON signal of the ignition switch 3 are input, and therefore, step 203 → step 204 → step 205 → step 202 return are repeated. Thus, the energization of the exciting coils of the rotary inner units 21, 22, and 23 is turned off.
[0026]
Thereafter, as shown at time t2, is an H level communication start signal S1 generated in response to a door lock unlocking instruction from a remote switch (not shown) input (see FIG. 3 (b)) or for the vehicle? When a door opening signal due to closing of the opening / closing switch 4 generated by opening the door is input (see FIG. 3A), step 203 → step 204 → step 206 → step 207 → step 208 → step 209 → step 202 return. Then, the control unit 10 is switched from the sleep mode to the operation mode (Wake up mode), and the energization to the excitation coils of the rotary inner units 21, 22, 23 is turned on (FIG. 3 (d), (e )reference).
[0027]
Subsequently, step 203-> step 213-> step 214-> step 215-> step 208-> step 209-> return to step 202 are repeated, and energization to the excitation coils of the rotary inner units 21, 22, 23 is continuously turned on. . In step 209, the timer value t = 0 when the timer is not operating.
[0028]
Thereafter, as shown at time t3, the ignition switch 3 is turned on to start the operation of the vehicle. Subsequently, at time t4, the operation is finished and the ignition switch 3 is turned off. At this time, in step 208, the switching of the ignition switch 3 from ON to OFF is detected, and the process proceeds to step 212. The flag F is changed from 0 to 1, and a timer built in the control unit 10 is set. Until the timer value t reaches a predetermined time T set in advance, steps 203 → step 213 → step 214 → step 215 → step 208 → step 209 → return to step 202 are repeated, and the rotary inner units 21, 22, 23 are repeated. The energization of the excitation coil is continuously turned on (see FIG. 3D).
[0029]
Here, the door open / closed state shown at time t4 to t7 in FIG. 3 (a) is that the door is intentionally left open after the operation is completed, or it remains in the half door state without being noticed, This indicates that the door is intentionally closed at time t7 or the half-door is noticed and closed again. The predetermined time T is determined by, for example, the drive control time of the rotary inner units 21, 22, and 23 required for rotating the pointer shaft to return the display pointer to the initial position.
[0030]
Thereafter, as shown at time t5, when the timer value t reaches a predetermined time T, the process returns to step 203 → step 213 → step 214 → step 215 → step 208 → step 209 → step 210 → step 211 → step 202, and flag While changing to F = 1⇒2, energization to the exciting coils of the rotary inner units 21, 22, and 23 is turned off (see FIG. 3D). Subsequently, step 203-> step 213-> step 214-> step 218-> return to step 202 are repeated, and the three types of door closing signal due to opening of the opening / closing switch 4, L level communication stop signal S 1, and ignition switch 3 OFF signal are displayed. Until all the information is detected and input, energization to the exciting coils of the rotary inner units 21, 22, and 23 is continuously turned off.
[0031]
Thereafter, as shown at time t7, when all three types of information are detected and input, the process proceeds from step 203 to step 213, step 216, step 217, step 218, and step 202, and the control unit 10 changes from the operation mode to the sleep mode. The flag F is changed from 2 to 0 and the timer is reset. The energization of the exciting coils of the rotary inner units 21, 22, and 23 is continuously turned off, and the state returns to the same state as at time t1.
[0032]
(Modification)
Next, a modification of the above-described embodiment will be described with reference to FIGS. 4 is a flowchart showing the operation of the energization monitoring means 12, and FIG. 5 is a time chart showing the operation of the main part shown in FIG.
[0033]
The main point of this modification is that the control unit 10 is still in the operation mode (Wake up mode) after the energization of the excitation coils of the rotary inner units 21, 22, and 23 is turned off after a predetermined time T from the OFF of the ignition switch 3. In some cases, when the ignition switch 3 is switched from OFF to ON again, the energization of the exciting coils of the rotary inner units 21, 22, and 23 is turned ON again.
[0034]
For this purpose, step 219 is added in FIG. 4, and after time t5, step 203 → step 213 → step 219 → step 214 → step 218 → step 202 return is repeated, and the rotation inner units 21, 22, and 23 are repeated. The point that energization to the exciting coil is continuously turned off is the same. However, when the ignition switch 3 is turned on in this state, in order to determine that in step 219, step 203 → step 213 → step 219 → step 215 → step 208 → step 209 → return to step 202 is repeated. The energization to the excitation coils of the internal units 21, 22, 23 is turned on again (see FIG. 5 (d)).
[0035]
(Other embodiments)
Next, another embodiment of the present invention that can further reduce the power consumption of the meter device 1 in the operation mode will be described. Also in this embodiment, the overall configuration of the vehicle instrument is the same as the configuration diagram shown in FIG. 6 is a flowchart showing the operation of the energization monitoring means 12, and FIG. 7 is a time chart showing the operation of the main part shown in FIG.
[0036]
The main point of this other embodiment is that, when the control unit 10 is in the operation mode (Wake up mode) and the ignition switch 3 is in the OFF state, the energization monitoring means 12 does not rotate regardless of the operation mode. This is to turn off the energization of the exciting coils 21, 22, and 23 to reduce power consumption.
[0037]
Therefore, the operation of the energization monitoring unit 12 will be described. As in the embodiment shown in FIG. 2, when the vehicle instrument device 1 is first connected to the battery 2, the energization monitoring means 12 is initialized and initially set to the sleep mode (Sleep mode). F = 0 is set (step 201).
[0038]
Therefore, as shown at time t1, for example, when there is no occupant in the vehicle and the control unit 10 is in the sleep mode, the energization monitoring means 12 performs the door open / close signal of the open / close switch 4, the communication signal S1 from the LAN 5, and the ignition switch. 3 ON / OFF signal is input (step 202). At this time, none of the door opening signal due to closing of the opening / closing switch 4, the H level communication start signal, and the ON signal of the ignition switch 3 are input, and therefore, step 203 → step 204 → step 205 → step 202 return are repeated. Thus, the energization of the exciting coils of the rotary inner units 21, 22, and 23 is turned off.
[0039]
Thereafter, as shown at time t2, is an H-level communication start signal S1 generated in response to a door lock unlocking instruction from a remote switch (not shown) input (see FIG. 7B), or for the vehicle When a door opening signal by closing the opening / closing switch 4 generated by opening the door is input (see FIG. 7A), the process proceeds from step 203 → step 204 → step 206 → step 202, and the control unit 10 sleeps. The mode is switched to the operation mode (Wake up mode) (see FIG. 7E).
[0040]
Subsequently, the process proceeds in the order of step 203 → step 213 → step 220 → step 222 → step 202. At this time, since the ON signal of the ignition switch 3 has not yet been input to the energization monitoring means 12, The energization of the exciting coils 21, 22, and 23 is turned off (see FIG. 7D).
[0041]
After that, as shown at time t3, the ignition switch 3 is turned on to start the operation of the vehicle. Therefore, the operation proceeds in the order of step 203 → step 213 → step 220 → step 221 → step 202, and the rotating inner unit 21 , 22 and 23 are energized (see FIG. 7D). Thereafter, as shown at time t4, when the ignition switch 3 is turned off, the process proceeds in the order of step 220 → step 222 → step 202, and the energization to the excitation coils of the rotary inner units 21, 22, 23 is turned off. (See FIG. 7D).
[0042]
Thereafter, as shown at time t7, when all three types of information are detected and input, the process proceeds from step 203 → step 213 → step 216 → step 222 → step 202, and the control unit 10 changes from the operation mode to the sleep mode. Can be switched to. The energization of the exciting coils of the rotary inner units 21, 22, and 23 is continuously turned off, and the state returns to the same state as at time t1.
[0043]
Thereby, even when the drive control means 11 is in the operation mode, when the ignition switch 3 is in the OFF state, the energization to the excitation coils of the rotary inner units 21, 22, 23 is stopped, so It is possible to further reduce the power consumption of the aircraft 21, 22 and 23. For example, when the vehicle is boarded and the engine is not started for a while or the vehicle is left in a half-door state after the engine is stopped, the battery power is increased. Can be eliminated.
[0044]
(Other embodiments)
Next, another embodiment of the present invention that can further reduce the power consumption of the meter device 1 in the operation mode will be described with reference to FIGS. FIG. 8 is a flowchart showing the operation of the energization monitoring means 12, and FIG. 9 is a time chart showing the operation of the main part shown in FIG.
[0045]
The main point of this embodiment is that when the ignition switch 3 is in the OFF state, the energization monitoring means 12 turns off the energization to the excitation coils of the rotary inner units 21, 22, and 23 regardless of the operation mode, thereby reducing the power consumption. Although it is basically reduced, it is possible to flexibly respond to the control of returning the rotary inner units 21, 22, and 23 to their initial positions by energizing them for a predetermined time T even after the ignition switch 3 is turned off. In other words, to reduce power consumption and enhance functions.
[0046]
Therefore, steps 230 and 231 are added and step 207 is omitted from the flowchart shown in FIG. Therefore, even when the control unit 10 is switched to the operation mode (Wake up mode) at time t2, the energization to the exciting coils of the rotary inner units 21, 22, and 23 is turned off (see FIG. 9D). .
[0047]
After that, as shown at time t3, the ignition switch 3 is turned on to start the operation of the vehicle, so that step 203 → step 213 → step 230 → step 231 → step 214 → step 215 → step 208 → step 209 → step The process proceeds to 202, and energization of the exciting coils of the rotary inner units 21, 22, and 23 is turned on (see FIG. 9D).
[0048]
Subsequently, at time t4, the operation is terminated and the ignition switch 3 is turned off. At this time, in step 208, the switching of the ignition switch 3 from ON to OFF is detected, and the process proceeds to step 212. The flag F is changed from 0 to 1, and a timer built in the control unit 10 is set. Step 203 → Step 213 → Step 230 → Step 214 → Step 215 → Step 208 → Step 209 → Return to Step 202 is repeated until the timer value t reaches a predetermined time T set in advance. Energization of the excitation coils 22 and 23 is continuously turned on (see FIG. 9D).
[0049]
Thereafter, as shown at time t5, when the timer value t reaches a predetermined time T, step 203 → step 213 → step 230 → step 214 → step 215 → step 208 → step 209 → step 210 → step 211 → step 202 Returning, the flag F is changed from 1 to 2, and the energization to the excitation coils of the rotary inner units 21, 22, and 23 is turned off (see FIG. 9D). Thereafter, the operation is the same as the flowchart shown in FIG.
[0050]
According to the above-described embodiment, the logic circuit 50 is provided as a peripheral circuit of the control unit 10 and the signal S2 logically processed by the logic circuit 50 is input to the control unit 10, but the logic circuit 50 is used. In addition, each detection signal (door opening / closing signal, communication start / end signal, ignition switch on / off signal, etc.) to be detected is directly input to the control unit 10, and each detection signal is detected by the drive control means 11 in the control unit 10. The state and the combination state may be determined.
[Brief description of the drawings]
FIG. 1 is a configuration diagram showing the overall configuration of a vehicle instrument that is an embodiment of the present invention.
FIG. 2 is a flowchart showing the operation of the energization monitoring unit shown in FIG.
FIG. 3 is a time chart showing the operation of the main part shown in FIG. 1;
4 is a flowchart showing the operation of a modification of the energization monitoring means shown in FIG.
FIG. 5 is a time chart showing the operation of the modified example shown in FIG. 4;
FIG. 6 is a flowchart showing the operation of energization monitoring means according to another embodiment of the present invention.
7 is a time chart showing the operation of the main part shown in FIG. 6. FIG.
FIG. 8 is a flowchart showing the operation of energization monitoring means according to another embodiment of the present invention.
9 is a time chart showing the operation of the main part shown in FIG.
[Explanation of symbols]
1 Vehicle Instrument 3 Ignition Switch 4 Open / Close Switch 4
5 LAN in the car
DESCRIPTION OF SYMBOLS 10 Control part 11 Drive control means 12 Current supply monitoring means 20 Analog display parts 21-23 Rotation inner machine 30 Indicator part 50 Logic circuit 60 Communication interface

Claims (7)

A rotating internal unit that drives a display pointer;
In response to a signal for detecting the operating states of a plurality of detection targets including an ignition switch, the power is constantly supplied, and the mode is switched between a sleep mode for stopping the operation and an operation mode. Drive control means for driving and controlling the internal unit;
When the drive control means is in the operation mode, the energization for stopping the energization of the rotating inner unit after a predetermined time from when the ignition switch is switched from ON to OFF regardless of the operation mode. A vehicle instrument characterized by comprising monitoring means. The drive control means receives at least three types of detection signals: an open / close signal indicating an open / close state of the vehicle door, a lock presence / absence signal indicating locking / unlocking of the vehicle door, and an ON / OFF signal of the ignition switch. When the vehicle door open signal and unlock signal indicating unlocking and the ignition switch ON signal are detected, the operation mode is switched to, while the vehicle door close signal and lock are indicated. The vehicular instrument according to claim 1, wherein the vehicle instrument is configured to switch to the sleep mode when both a locking signal and an OFF signal of the ignition switch are detected. A rotating internal unit that drives a display pointer;
In response to a signal for detecting the operating states of a plurality of detection targets including an ignition switch, the power is constantly supplied, and the mode is switched between a sleep mode for stopping the operation and an operation mode. A vehicle instrument comprising a control means comprising a microcomputer for driving and controlling the internal unit,
The control means energizes to stop energization of the rotating inner unit in a state of the operation mode after a predetermined time from when the ignition switch is switched from ON to OFF regardless of the operation mode. A vehicle instrument characterized by comprising monitoring means. The energization monitoring means stops the energization of the turning inner unit when the ignition switch is switched from OFF to ON again after the energization of the turning inner unit is stopped and the drive control means is in the operation mode. The vehicle instrument according to claim 1, wherein energization of the vehicle is resumed. When the ignition switch is switched from OFF to ON again in a state where the control means is in the operation mode after the energization to the rotating inner unit is stopped, the energization monitoring unit returns to the rotating inner unit. The vehicle instrument according to claim 3, wherein energization of the vehicle is resumed. A rotating internal unit that drives a display pointer;
In response to a signal for detecting the operating states of a plurality of detection targets including an ignition switch, the power is constantly supplied, and the mode is switched between a sleep mode for stopping the operation and an operation mode. Drive control means for driving and controlling the internal unit;
In the state where the drive control means is in the operation mode, when the ignition switch is in the OFF state, there is provided an energization monitoring means for stopping energization to the rotating inner unit regardless of the operation mode. An instrument for vehicles. A rotating internal unit that drives a display pointer;
In response to a signal for detecting the operating states of a plurality of detection targets including an ignition switch, the power is constantly supplied, and the mode is switched between a sleep mode for stopping the operation and an operation mode. Drive control means for driving and controlling the internal unit;
In a state where the drive control means is in the operation mode, energization to the rotating internal unit is started when the ignition switch is switched from OFF to ON, and predetermined when the ignition switch is switched from ON to OFF. A vehicle instrument comprising: an energization monitoring unit that stops energization of the rotating inner unit after a period of time regardless of the operation mode.

Images