JPH0370830B2 - - Google Patents

Description

[Detailed description of the invention]

``Industrial Field of Application'' The present invention relates to a snowplow construction recording device that is attached to a snowplow and collects information such as the actual snow removal work time. ``Prior art'' Conventionally, in order to collect information indicating the status of snow removal work by a snowplow, the record of the tachograph attached to the snowplow was compared with the daily vehicle driving report prepared by the snow removal operator, and the actual snow removal work was carried out. I was checking the time spent on tasks (actual working time). "Problem to be solved by the invention" A tachograph records travel distance, engine speed, and travel speed, and the actual working time is determined mainly based on the state of travel speed. This process is time-consuming and error-prone, and it is difficult to accurately determine the work status in relation to situations such as forwarding or idling. Furthermore, since the recording paper of a tachograph records fairly detailed analog records within a narrow recording width, the records are difficult to read and easy to make mistakes, making it difficult to check and confirm the actual working time. Ta. Furthermore, the work status of the day, that is, actual work, forwarding,
It has been difficult to accurately determine changes over time such as idling, and to know labor management, predicted workload, time, etc. "Means for Solving the Problem" According to the present invention, a snow removal sensor detects whether a snow removal device installed in a snow removal vehicle is in a snow removal operation position or a storage position, and a signal related to the running of the snow removal vehicle is detected. It is generated from a running sensor, and it is determined from the output of the running sensor whether the snowplow is running or stopped.
The detection output of the snow removal sensor and the judgment result as to whether the snow removal sensor is running or stopped are retrieved at regular intervals, the judgment means judges whether snow removal is being carried out or not based on the captured data, and the judgment result is accumulated by the accumulation means. will be added. Further, a memory pack is detachably attached, and when the memory pack is removed, the accumulated data by the accumulation means is written into the memory pack. The output of the snow removal sensor and the determination result as to whether the vehicle is running or stopped are written in the memory pack as time-series data at regular intervals. Further, if necessary, a code indicating the route to be cleared of snow is inputted by the input means, and furthermore, a code indicating the type of snowplow vehicle and the contents of the work is inputted, and these can be stored in the memory pack. "Operation" It is determined whether the snowplow is running or stopped based on the output of the running sensor, and at regular intervals, it is determined whether the snowplow is being removed based on the judgment result of whether it is running or stopped and the detection output of the snow removal sensor. is determined, and the determination results as to whether the snow removal is in progress are cumulatively added, and the determination results as to whether the vehicle is running or stopped and the detection output of the snow removal sensor are written to the memory pack as time-series data at regular intervals. . The result of the cumulative addition is written to the storage pack when the storage pack is removed. By reading the cumulative addition value from the extracted memory pack, you can immediately know the total time of actual work, and by reading and analyzing time-series data, you can know the elapsed time of actual work, idling, forwarding, etc. . Embodiments Hereinafter, embodiments of the snowplow construction recorder according to the present invention will be described with reference to the drawings. As shown in FIG. 1, in this embodiment, an input section 11, a recording section 12,
A memory pack 13 detachably provided to the recording unit 12, a travel sensor 14, and a snow removal sensor 15
It consists of Input Unit 11 The input unit 11 is a so-called operation unit, and a road number (route code) can be input by operating the route classification key 16. When one route division key 16 is input, a display element such as a light emitting diode provided at that key lights up and the input state is maintained. When another route classification key is input, the previously input route classification key returns and its display element turns off. The input unit 11 has a built-in clock device, and the clock device has a correction selection knob 18 and a correction button 1.
9 is provided, and the time of the clock device is displayed on the display section 21.
can be displayed. Further, the cumulative value of actual working hours can also be displayed on the display unit 21. A display 22 is provided to indicate the remaining storage capacity in the storage pack 13. Further, although not shown in the figure, a power source is provided inside the device, and the recording section 12 and the memory pack 13 are operated by this power source. Recording Section 12 The recording section 12 has an insertion/ejection opening 23 for inserting and removing the memory pack 13, and is further provided with an ejection button 24 for removing the memory pack 13. memory pack 13
The storage pack 1 stores various data from the input unit 11, signals related to vehicle travel from the travel sensor 14, and detection outputs from the snow removal sensor when the snow removal sensor is inserted.
The data can be stored in the storage unit of 3. In addition, a clear display section 25 checks the remaining amount of memory that can be stored in the memory pack 13, and if there is no memory at all, it displays that fact, and if there is even a little memory, it displays that it has not been cleared. Display section 2
6 are displayed respectively. Furthermore, when the eject button 24 is operated, the eject possible indicator lamp 27 is lit for a certain period of time. When the memory pack 13 is installed, its state is locked, and when the eject button 24 is operated, the lock is released. Memory Pack 13 The memory pack 13 houses, for example, an 8×2048-bit data storage section therein, and has a built-in battery that protects the internally stored data when the memory pack 13 is taken out from the recording section 12. A reverse mounting prevention guide 28 is formed along the side to prevent the wrong direction when inserting the memory pack 13 into the insertion/ejection opening 23 of the recording section 12, and to lock the inserted memory pack 13. A recess 29 is formed on the side surface. Although not shown in the figure, a connector to be connected to a connector in the recording section 12 is attached to the rear surface. Sensor The traveling sensor 14 generates a pulse and supplies it to the recording section 12 every time the vehicle travels a unit distance. The snow removal sensor 15 detects whether the snow removal device is in the snow removal work position or the storage position, and is generally provided with a proximity switch, such as a link arm for moving the snow removal device between the snow removal work position and the storage position. A proximity switch is separately provided on the vehicle body and the vehicle body. Electrical Configuration FIG. 2 shows an example of the electrical configuration of the snowplow information collection device of the present invention, in which the input section 11 is provided with a microcomputer 31. The power is received from the vehicle-mounted battery 32, passed through the charging circuit 33, and charged by the power supply control circuit 34 to one of the two batteries 35, 36, and operating power is supplied from the other to each part, and the two batteries 35, 36 are switched. I am using it. The microcomputer 31 includes the snow removal sensor 15, the clock device 37, and a ROM 38 in which the vehicle type code is stored.
is connected. A time signal from the clock device 37 is supplied to the display unit 21 and displayed. Furthermore, a key operation section 39 such as the route classification key 16 described in FIG. 1 is connected to the microcomputer 31. A display corresponding to the key operation input is performed by a light emitting diode or the like, and these are collectively shown as a display section 41. The ON/OFF state of the switch 42 that is linked to the Acc switch in the engine switch of the vehicle, that is, the switch that supplies power to devices other than the main functions of the vehicle such as the radio when the engine is not running, is input to the microcomputer 31. Ru. When the switch 42 is ON, the display of each light emitting diode on the display section 41 is displayed continuously, but when this switch 42 is OFF, the light is turned on for about 10 seconds to protect the vehicle battery 32. do. Similarly, a microcomputer 44 is provided in the recording section 12 as well. The microcomputer 44 is connected to the microcomputer 31 of the input section 11, and can exchange data with each other.
As described in FIG.
5, 26, and various display sections 45 such as a display section 27 indicating that the pack can be removed, and an alarm buzzer 46 for notifying the state that the storage capacity of the storage pack 13 is exhausted is also connected. Pack removal button 2
When the operation No. 4 is input to the microcomputer 44 and the eject button 24 is operated, the monostable multivibrator 47 is driven, and its output drives the pack lock release unit 48 for a certain period of time, releasing the lock state of the memory pack 13. be done. Furthermore, the signal from the running sensor 14 is input to a running signal generation circuit 49 and from there to the microcomputer 44. microcomputer 4
A memory pack 13 is detachably connected to the memory pack 4.
Power to the microcomputers 31 and 44 of the input unit 11 and recording unit 12 is supplied from a power supply control circuit 34, and other power to each display unit is supplied from a battery 32 via a display power supply circuit 51. When the operator operates a route classification key or the like, the microcomputer 31 of the input unit 11 lights up the display element corresponding to the operation, stores the code indicating the input route, and transmits it to the microcomputer 44 of the recording unit 12. do. Also clock device 3
7 is transferred to the recording unit 12.
In addition, when correcting the time of the clock device 37, a correction flag in the microcomputer 31 is set to memorize that the time has been corrected. The clock device 37 is set in a time adjustment state and is configured to automatically return to the operating state even if the clock device 37 forgets to return to the operating state from that state. Data indicating the remaining storage capacity in the storage pack 13 is detected by the microcomputer 44, and this data is transferred to the microcomputer 31 and displayed on the display section 22. In the recording section 12, when the memory pack 13 is attached, the microcomputer 44 writes predetermined item data into the memory pack 13.
If the time is adjusted before the pack is installed, the clock correction flag bit is written when the pack is installed. Furthermore, the microcomputer 44 records the vehicle's stopped state, route classification, constant power switch, and actual working status code (output of the snow removal sensor) in the memory pack 13 at predetermined intervals, for example, every minute, from when the memory pack 13 is attached. write to the memory of. Furthermore, the microcomputer 44 determines whether snow is being removed, forwarded, or idling, based on the stopping state of the vehicle and the output of the snow removal sensor, at regular intervals from when the memory pack 13 is attached to when it is removed. The judgment results are accumulated, that is, the actual working time, forwarding time, and idling time are accumulated. RAM in microcomputer 44
A separate counter is provided for each of these accumulations. Memory pack 1 for these cumulative values
3 is written into the storage section of the storage pack 13. Also, at the time of removal, other predetermined item data are recorded. In the running signal generation circuit 49, the running pulse for 30 seconds or more within 1 minute of each recording is detected by the running sensor 1.
4, it is determined that the vehicle is running, and the determination data and pulse information generated for each unit distance are supplied to the microcomputer 44. The presence or absence of a running pulse is determined, for example, every second. The microcomputer 31 and the microcomputer 44 of the recording section are initialized when the storage pack 13 is inserted and when the eject button 24 is operated. When inserting the memory pack 13, the flag area of the microcomputer is removed at the same time.
The RAM area is cleared and each item data at that time is written. When the eject button 24 is pressed, the data at that time is first written and then the microcomputer is initialized. After this initialization
RAM is cleared except for the flag area. The memory pack 13 has, for example, a readable/writable memory section 52 as shown in FIG.
It has 8×2048 bits and is connected to the recording section 12 through a data line 53, and read/write is controlled by the recording section 12 through a read/write control line 54.
Furthermore, an address counter 55 is built in, and this address counter 55 is connected to the recording section 12 through a control line 56.
Can be cleared from the side and control line 57
The address is advanced by counting the clocks provided through the address. A state in which the count contents of the address counter 55 are all zero is detected by a line 58, and this state is transmitted to the recording section 12 through a line 59, and the contents of the most significant bit and the second bit from the most significant bit of the address counter 55 are also detected. line 61,6
2, and further through lines 63 and 64 to the recording section 12.
will be communicated to. Therefore, depending on the state of the line 58, it is detected whether or not the storage section 52 is in a clear state where no data is stored at all, and the signal on the line 61 is used to detect whether or not the storage section 52 is in a state where more than half of the data is stored. It is checked by the signal on line 62 whether or not more than 1/4 of the storage area 52 has been stored. This memory pack 13 is supplied with operating power from the recording section 12 through a wire 65 and further through a switch 66. When the memory pack 13 is removed from the recording section 12, the switch 66 is switched and the built-in power supply 67 supplies power to the memory pack 13. Its memory state is retained. Recording Format As described above, various types of storage are performed in the storage unit 52 of the storage pack 13 by the microcomputer 44 of the recording unit 12, and the recording format is, for example, as follows. That is, when the memory pack 13 is installed, F0 or F8 is first stored as the pack insertion code 68, as shown in FIG. 4A, as each item data. In other words, the 4 bits on the left side of the 8 bits in one word are all 1, the lower 3 bits on the right side are all 0, and the 4 bits on the right side are all 1.
The most significant bit of the bits (the part marked with an X) is used as a clock correction flag, and is set to 1 if the clock has been corrected, and 0 if there has been no correction. Next, the vehicle code 69 (which is stored in the ROM 38 of the input unit 11) is stored as a 6-digit BCD code, and in this example, 100001 is stored. The first digit 69a indicates the vehicle model code; for example, 1 is a 7-ton snow removal truck with I-type plow I and grader G, 2 is 10-ton snow removal truck with I-type plow I, McGrega M, and side wing S,
I-type plow I, grader G and side wing S
The snow removal truck with attachment is number 3, the snow removal grader vehicle is number 4, the snow removal dozer vehicle is number 5, and the rotary snow removal vehicle is number 6. Fourth
In Figure A, the number is 100001, which means a 7-ton snow removal truck with an I-type plow and grader. The remaining five digits 69b indicate the vehicle number. Next, the date and time data 71 when the memory pack 13 was inserted is 10.
stored as a digit, in this example July 10th 12
The time was 24 minutes and 37 seconds. After the memory pack 13 is installed, a status code is written every minute. As shown in FIG. 4B, an actual work status code 72 is stored in the 4 bits on the left. The actual work status code 72 is predetermined as a number for each type of vehicle. For example, when working with a 7tIG snow removal truck using I and G at the same time, it is set to 3, when only G is used, it is set to 1, and when only I is used, it is set to 2. When the snow removal sensor 15 (there are multiple depending on the vehicle model) is in the state of detecting that it is in the snow removal work position, the actual work status code 72 stores a predetermined code depending on the vehicle model and snow removal machine. , 0 is stored when the snow removal work position is not detected. In this way, the snow removal sensor detection output is stored as time series data. Most significant bit 7 of the 4 bits on the right
3 is used as a running flag, and is set to 1 when the vehicle is running, and set to 0 when the vehicle is stopped. In other words, the result of determining whether the vehicle is running or stopped is stored as time series data. 2nd bit from the top of the 4 bits on the right 7
4 is 1 when the main switch (engine key) is ON.
However, when it is OFF, 0 is stored. The lower 2 bits 75 of the 4 bits on the right side are stored with a route code indicating the route (road number), and this route code 75 stores the code input using the route classification key 16 of the input section 11. Figure 4B shows the data for each minute, and the first line shows the route as 00 and the main switch as 00.
OFF, stopped state, non-working state (snow removal sensor 15
The second line shows the route is 00, the main switch is ON, stopped state, non-working (idling state), and the third line shows the route is 00, the main switch is ON, running state, It shows the non-working state (forwarding state), and the fourth line shows the route is 00, the main switch is ON, the running state, and the actual working state. When the memory pack 13 is removed, the eject button 24 is operated as described above, thereby inputting predetermined item data. As the item data, for example, as shown in FIG. 4C, a cumulative code 76 is first stored. In the cumulative code 76, all 4 bits on the left side are set to 1, and 4 bits on the right side store a code indicating the reason for storing the cumulative data. That is, instead of storing the cumulative data only when leaving the storage pack 13, for example, the accumulated data is stored at a predetermined time (A.M0:00, A.M5:00, A.M8:30,
(P.M17:00, P.M22:00, etc.), the accumulated data is memorized, and when the route is changed, the accumulated data is memorized. For example, the 4 bits on the right side are 4 when there is no accumulated data when storing at a fixed time, 5 when there is accumulated data during fixed time memory, and 6 when there is no accumulated data when memory pack 13 is removed. , 7 is stored when there is cumulative data, C12 is stored when there is no cumulative data stored when the route was changed, and D13 is stored when there is cumulative data. Accumulation is performed for each work state. For example, in the case of an IG7-ton snow removal truck, the work time is calculated for each work using G, work using I, and work using I and G at the same time (i.e., the work time of multiple snow removal sensors). (detection status) is cumulatively added. The order in which the accumulated data for each task is stored is determined in advance for each vehicle type. There are a maximum of seven types of work for one vehicle type, and Figure 4C
As shown in the figure, the actual working time data 77 is stored next to the cumulative data code 76, and the actual working time data 7
There are 7 types of 7 from A to G, each with 4 digits (2
Word). In FIG. 4C, the cumulative data of actual work A is 254 minutes. Next to the actual working time data 77, cumulative forwarding time data 78 is stored in six digits. In FIG. 4C, the cumulative forwarding time 78 is 116 minutes. After that, a cumulative value of 79 for idling time is stored,
In this example it is 81 minutes. Date and time data 81 when the cumulative value was last stored are stored. In this example, the data is July 10th 21:38:19.
When the time is corrected, a code indicating the start of the time correction, the time data before the correction, a code indicating the end of the correction, and the time data after the correction are written. Operation Next, the overall operation of the snowplow construction recorder of the present invention will be explained with reference to the flowchart of FIG. When first started, the initial data value is set in step _S1 , and a check is made to see if there is a memory pack 13 in step _S2.If there is a memory pack 13, the storage state of the memory pack 13 is checked in step _S3 . A check is performed and the corresponding indicator light is lit. In step _S4 , a routine for inserting the memory pack 13 is executed, that is, data such as the insertion code, vehicle code, date, time, etc. shown in FIG. 4A are stored. Clear all accumulated data in step _S5 . In step _S6 , input and display the clock data. In step _S7 , it is checked whether the memory in the memory pack 13 has overflowed, and if it has not overflowed, the memory state of the memory pack 13 is checked in step _S8 , and the corresponding indicator light is turned on. In step _S9 , it is checked whether there is a running time cumulative pulse, and if there is, the step is
At _S10 , the running time counter is counted up and the process moves to step _S11.If there is no pulse, the process immediately moves to step _S11 . At step S ₁₁ , it is checked whether one minute has passed, and if one minute has passed, the step is
At _S12 , the status code, ie, the 1-digit 8-bit code shown in FIG. 4B, is written. The process moves from step _S12 or step _S11 to step _S13 , where a check is made to see if a route change has been input, and if a route change has been entered, a route change processing routine is executed at step _S14 , and the process moves to step _S15 , where the route change is performed. If not, the process immediately moves to step _S15 , where it is checked whether the scheduled time has arrived. If the fixed time has arrived, execute the fixed time processing routine in step S16 and return to step _S16 .
The process moves to _S17 , and if the set time has not arrived at step _S16 , the process immediately moves to step _S17 . In step _S17 , a snow removal sensor input processing routine is executed, and in step _S18 , an actual working time accumulation processing routine is executed. The actual working time accumulation processing routine is performed as shown in FIG. 19, for example. First, it is checked whether the main switch (power switch) is ON (S ₁ ), and if it is OFF, the inactive counter is incremented by one (S ₂ ). If it is ON in step _S1 , it is checked whether it is stopped (S ₃ ), and if it is not stopped, it is checked whether the work equipment is in use, that is, whether the detection output of the snow removal sensor is ON (S ₄ ). In this case, the actual work counter is incremented by one step (S ₅ ). If the working device is not in use at step _S4 , the forwarding counter is incremented by one ( _S6 ). If the work equipment is stopped in step _S3 , it is checked whether the work equipment is in use ( _S7 ), and if it is in use, the idling counter is incremented by one step ( _S8 ), and if the work equipment is not in use, the forwarding counter is incremented. is advanced by one step (S ₆ ). In step _S19 , it is checked whether a clock correction request has been made, and if there is no request, it is checked in step _S20 whether the pack eject button 24 has been pressed, and if the eject button 24 has not been pressed, the process returns to step _S6 . Therefore, by repeating steps _S6 to _S20 , the status code is written every minute, time series data as shown in Figure 4B is obtained, and various data are cumulatively added. . If the memory pack 13 is not inserted in step _S2 , a check is made in step _S21 to see if there is a clock correction request, and if there is no clock correction request, a buzzer processing routine is performed in step _S22 , and the process returns to step _S2 . return. Step S ₁₉ or Step
If a clock correction request is issued in S ₂₁ , proceed to step S ₂₃ .
Then, the clock adjustment start processing routine is executed. Start a 2 minute timer at step S ₂₄ ,
Execute the clock correction routine in step _S25 . At step _S26 , it is checked whether two minutes have elapsed.
If 2 minutes have not elapsed, it is checked in step _S27 whether the clock has entered the operating mode, that is, whether the clock has been corrected and has been returned to the operating mode.If the clock has not been returned to the operating mode, it returns to the clock correction routine _S25 . If returned to operating mode or step
If the 2-minute timer has expired in _S26 , the process moves to step _S28 and a clock correction end processing routine is executed. At step _S29 , it is checked whether or not the memory pack 13 is present. If the memory pack 13 is not present, the process returns to step _S2 , and if the memory pack 13 is attached, the process jumps to step _S6 . When it is detected in step _S7 that the storage area of the memory pack 13 has overflowed, the process moves to step _S30 and executes a buzzer processing routine.
Thereafter, in step _S31 , each display of NG, 1/2, and 1/4 is lit, and the process moves to step _S9 . If the pack eject button 24 is pressed at step S ₂₀ , the step
The program moves to step _S32 , executes a pack removal processing routine, and then moves to step _S33 . At step S ₃₃ , the buzzer
OFF, and a 10 second timer is started in step _S34 , that is, the monostable multivibrator 47 in FIG. 2 is outputted, and during that pulse, step _S35
At step S36, the lock on the storage pack 13 is released, that is, the release means 48 releases the lock, and in step _S36 , a message indicating that the data can be taken out is displayed.
In step _S37 , it is checked whether 10 seconds have elapsed, and when it has elapsed, the process returns to step _S1 . step
_S33 to _S36 are processed by hardware. The storage area check routine 1 in the storage pack at step _S3 in FIG. 5 is performed as shown in FIG. That is, in step _S1 , memory pack 1
If the memory area 52 is not cleared, it is checked in step _S2 whether the address counter 55 has overflowed, and if it has not overflowed, the address counter 55 is cleared in step _S3 . It is checked whether the second bit from the top of 55 is 0, that is, it is checked whether the used memory is less than 1/4,
If it is not less than 1/4, the most significant bit of the address counter 55 is checked in step _S4 , and it is checked whether the memory being used is less than 1/2.
If it is not less than 1/2, the indicator light (display section 2 in Figure ₁ ) indicating that the memory has not been cleared in step S5.
6) will be displayed. If the address overflows in step _S2 , NG is displayed in step _S6 .
ON, and the used area is 1/4 in step _S3 .
In the following cases, the 1/4 usage indicator light is lit in step S ₇ , and the usage area is 1/2 in step S ₄ .
In the following cases, the 1/2 indicator light is displayed in step _S8 . If the step is cleared in step S ₁ , the next step is step S ₅ or step S ₈ .
In _{step S9} , it is checked whether the address counter 55 has overflowed. If it has not overflowed, in step _S10 , the OK indicator light (2 in Figure 1) is turned on.
5) is displayed, this routine ends, and the step
If there is an overflow at _S9 , the process ends immediately. The routine for setting the memory pack at step _S4 in FIG. 5 is performed as shown in FIG. In step _S1 , it is checked whether the address of the address counter 55 of the memory pack 13 has overflowed or not, and if it has not overflowed, the step S1 is executed.
_S2 checks whether the time correction flag is set, and if so, the step
Set the time correction flag with S ₃ . 4th in step S ₄
As shown in Figure A, a pack insertion code is written, a vehicle code is written in step _S5 , and date and time data is written in step _S6 . If there is an overflow in step _S1 , the NG indicator light, 1/4 indicator light, and 1/2 indicator light are turned on in step _S7 , and the process ends.
If the time correction flag is not set in step _S2 , the process moves to step _S4 to write data. The status code writing routine at step _S12 in FIG. 5 is performed as shown in FIG.
At step _S1 , it is checked whether the address of the memory pack 13 has overflowed, and at step _S2
It is determined whether the vehicle is running or not. In step _S3 , it is determined whether the main switch is ON or OFF, the input route code is read in step _S4 , and in step _S5 , it is determined whether the snow removal operation is in progress based on the status of the snow removal sensor, and further snow removal operation is started. In the case of a status, the type of work is also determined. Next, in step _S6 , the results of the determinations made in steps _S2 and _S3 , the route code determined in step _S4 , and the actual work determination status in step _S5 are written as shown in FIG. 4B. Next, in step _S7 , the storage state of the storage section 52 is checked and the corresponding indicator light is turned on.
If the address overflows in step _S1 , the process moves to step _S7 and ends at step _S7 . In the pack remaining amount check routine 2 at step S8 in FIG. ₅ and step _S7 in FIG. ₈ , for example, as shown in FIG. If there is no overflow, it is checked in step _S2 whether the used area is 1/4 or less, and if it is not 1/4 or less, it is checked in step _S3 whether the used area is 1/2 or less. If there is an overflow in step S ₁ , turn on the NG indicator light in step S ₄ , and if it is less than 1/4 in step S ₂ , turn on the 1/4 indicator light in step S ₅ , and use it in step S ₃ . Step if the area is 1/2 or less
Turn on the 1/2 indicator light with S ₆ . In the buzzer processing routine at step _S22 in FIG. 5, for example, as shown in FIG. 10, at step _S1 the engine key switch Acc (main switch) is turned on.
If it is ON, it is checked in step _S2 .
The NG indicator light, 1/4 indicator light, and 1/2 indicator light are turned on, and it is checked in step S ₃ whether the B timer is up. If the time is not up, the buzzer is sounded in step S _{4, and the timer is checked in step S 4} . At ₅ , add 1 to B timer. If the switch is OFF in step S ₁ , clear the B timer in step S ₆ , and then
Turn off the buzzer with S ₇ . If the B timer times up at step _S3 , move to step _S7 and turn off the buzzer. Memory pack 13 of step _S32 in FIG.
The nozzle hole 6' routine is performed as shown in FIG. That is, in step _S1 it is checked whether there is a memory pack 13, and if there is a memory pack 13, it is checked in step _S2 whether the address has overflowed, and if it has not overflowed, the accumulated data is stored in step _S3 . It is checked whether all of them are zero, and if _the cumulative data is not _zero , as shown in _FIG . Write. If there is no memory pack 13 in step _S1 , the process is over, and if the address has overflowed in step _S2 , the NG indicator light, 1/1, is turned on in step _S7 .
Turn on the 4 indicator light and the 1/2 indicator light, and if all data is 0 in step _S3 , write F6 as cumulative data code 76 in step _S8 and move to step _S6 . As shown in FIG. ₁₂ , in _the route change processing routine at step _S14 in FIG. All are checked to be zero,
If all of them are not zero, the route code FC changed in step _S3 is written as the cumulative data code 76 (C in Figure 4), each accumulated data is written in step _S4 , and the date and time data are written in step _S5 . is written. If there is an overflow at step S ₁ , the NG indicator light is turned on at step S ₆ , and the 1/
The 4 indicator light and 1/2 indicator light are lit. If the cumulative data is all zero in step _S2 , FC is written as cumulative data code 76 in step _S7 . In the regular processing routine of step _S16 in FIG. 5, for example, as shown in FIG. 13, it is checked in step _S1 whether or not the address has overflowed, and if it has not overflowed, the routine proceeds to step _S2.
Determine which set time it is, and proceed to step _S3 .
It is determined whether the cumulative data is all zero, and if it is not zero, F5 is written as cumulative data code 76 in step _S4 , the cumulative data at that time is written in step _S5 , and date and time data are written in step _S6 . I do. If the address has overflowed in step _S1 , the NG indicator light, 1/4 indicator light, and 1/2 indicator light are turned on in step _S7 . Step S If all cumulative data is zero at step _S3 , step
At _S8 , cumulative data code F4 based on fixed time is written. As shown in FIG _. 14, the clock correction start processing routine at step _S23 in _FIG . Write F1, step S ₃
Write date and time data. If there is an overflow in step _S1 , the NG indicator light, _1/4 indicator light, and 1/2 indicator light are turned on in step S4. For example, the clock adjustment completion processing routine at step _S28 in FIG. 5 is executed at step _S1 as shown in FIG.
It is checked whether the address counter has overflowed in step S2, and a corrected exit code is issued in step _S2 .
Write F2 and write date and time data in step _S3 . If there is an overflow in step _S1 , the NG indicator light, _1/4 indicator light, and 1/2 indicator light are turned on in step S4. Information on snow removal vehicles is collected in the manner described above, and after the collection, the memory pack 13 is taken out, the memory in the memory pack 13 is read, and various processes are performed. In this case, the time series data shown in FIG. 4B is read, and each state of non-operation, forwarding, actual work, and idling is processed and determined as shown in FIG. 16, for example. That is, in step _S1 , the main switch
If it is ON, it is checked in step S ₂ whether the snow removal machine is running, and if it is running, it is checked in step S ₃ whether the snow removal code (72 in B in Figure 4) is being used to check if the snow removal code (72 in Fig. 4 B) is being used. If it is inside, it is determined that it is actual work, and if it is not in progress, it is determined that it is being forwarded. If it is determined in step _S2 that the vehicle is not running, it is checked in step _S4 whether there is a detection from the snow removal sensor, that is, whether 72 in Fig. 4 is not zero, and if it is not zero, the stopping time is determined in step _S5 . It is checked if it is less than 10 minutes, and if it is less than 10 minutes, it is determined that it is actual work, and 10
If it is greater than 1 minute, it is determined to be idling. If it is determined in step S ₄ that no work is in progress, step S ₆
It is checked whether the stoppage time is 10 minutes or less, and if it is more than 10 minutes, it is determined to be idling, and if it is less than 10 minutes, it is determined to be deferred. If the main switch is OFF in step _S1 , it is determined to be in a non-operating state. FIG. 18 shows a flowchart corresponding to the claims. First, it is checked whether a predetermined time has elapsed, and when the predetermined time has elapsed, it is determined whether the vehicle is running or stopped based on the state of the travel sensor during that time, and the determination result and the detection output of the snow removal sensor are written to the pack. It will be done. Furthermore, it is determined whether snow is being removed or not based on the determination result of whether the vehicle is running or stopped and the detection output of the snow removal sensor, and the determination results are cumulatively added. Next, it is checked whether the pack eject button has been pressed, and if it has not been pressed, the process returns to the first step, and if it has been pressed, the cumulative addition result is written to the pack. "Effects of the Invention" As explained above, according to the present invention, it is possible to accurately determine whether snow removal work is in progress from the snow removal sensor and the travel sensor. Moreover, since the determined results are cumulatively added, the cumulative values of actual snow removal work, forwarding, idling, non-operation, etc. can be immediately known. Furthermore, by storing the status code at predetermined time intervals, it is possible to know the status of changes over time, such as actual snow removal work, forwarding, idling, etc. For example, idling A, forwarding K, and actual work J can be obtained from the output of the snow removal sensor 15 and the state where the vehicle is stopped, as shown in FIG. Compared to the case where the snow removal work status is determined from tachograph records and work records, according to the present invention, the snow removal work status can be accurately determined without relying on human judgment. According to the embodiment, the snow removal work status can be automatically obtained for each route and at each fixed time, which is very convenient.

[Brief explanation of drawings]

FIG. 1 is an external view showing the overall configuration of the snowplow construction recording device according to the present invention, FIG. 2 is a block diagram showing the outline of its electrical system, and FIG. 3 is a block diagram showing the outline of the inside of the memory pack. Figure 4 shows the storage section 5.
FIG. 5 is a flowchart showing an example of the operation of the entire device, FIG. 6 is a flowchart showing an example of the operation of the pack remaining amount check routine 1 in the memory pack, and FIG. FIG. 8 is a flow chart showing an example of the operation of the processing routine when inserting a pack, FIG. 8 is a flow chart showing an example of the operation of the status code writing routine, FIG. FIG. 11 is a flowchart showing an example of the operation of the buzzer processing routine, FIG. 11 is a flowchart showing the processing routine when the memory pack is removed, FIG. 12 is a flowchart showing an example of the route change processing routine, and FIG. 13 is the operation of the fixed time processing routine. A flowchart showing an example, FIG. 14 is a flowchart showing an example of the operation of the clock correction start routine,
FIG. 15 is a flowchart showing an example of the operation of the clock correction end routine, FIG. 16 is a flowchart showing an example of processing for determining idling, forwarding, actual work, and non-operation based on the driving state signal and snow removal sensor output. The figure shows an example of the driving state, the snow removal sensor output, and the judgment result of the operating state based on these, Fig. 18 is a flowchart showing the operation corresponding to the claims, and Fig. 19 is the actual working time in Fig. 5. 3 is a flowchart showing a specific example of an accumulation processing routine _S18 . 11: input section, 12: recording section, 13: memory pack, 14: running sensor, 15: snow removal sensor.

Claims (1)

[Scope of Claims] 1. A snow removal sensor that detects whether the snow removal device is in a snow removal work position or a storage position, a travel sensor that generates a signal related to the travel of a vehicle to which the snow removal device is attached, and A means for determining whether the vehicle is running or stopped based on the output of the running sensor, and a means for capturing the detection output of the snow removal sensor and the determination result of whether the vehicle is running or stopped at regular intervals, and from these captured data. a determining means for determining whether or not snow removal is in progress; an accumulating means for cumulatively adding up the determination result of whether or not snow removal is in progress; a removably provided memory pack; and when the memory pack is removed, the accumulation means The vehicle is equipped with means for writing accumulated data into the memory pack, and means for writing the determination result of whether the vehicle is running or stopped and the snow removal sensor detection output into the memory pack at regular intervals as time-series data. A snowplow construction recording device. 2. The snowplow construction recording device according to claim 1, further comprising means for writing the data accumulated by the accumulation means into the memory pack at a predetermined time. 3. A method according to claim 1, comprising means for inputting a code indicating a route on which said vehicle travels, and means for writing data accumulated by said accumulation means into said memory pack when a changed route code is input. The snowplow construction recording device according to item 1.