Industrial vehicle, system for managing state of amount of electrolyte of industrial vehicle, and electric forklift
First Claim
1. An industrial vehicle comprising:
- a storage battery that includes a plurality of battery cells including electrolyte and electrode plates, the battery cells being connected in series, and a detecting point, disposed between the electrode plates of adjacent battery cells, at which a voltage value for detecting a shortage of the electrolyte is detected;
an electrolyte shortage detection unit that detects a shortage of the electrolyte in at least one of the battery cells by detecting a voltage value at the detecting point;
an electrolyte-shortage time calculation unit that calculates an electrolyte-shortage time, which is a cumulative time of the shortage of the electrolyte detected by the electrolyte shortage detection unit when the shortage of the electrolyte continues;
a memory unit that stores the electrolyte-shortage time calculated by the electrolyte-shortage time calculation unit;
a time information generating unit that generates time information; and
an output processing unit that performs output processing for attaching the time information to the electrolyte-shortage time stored in the memory unit and outputting the electrolyte-shortage time with the time information to an output unit, at a predetermined timing.
1 Assignment
0 Petitions
Accused Products
Abstract
An industrial vehicle includes a battery that includes battery cells including a battery liquid and connected in series, an battery liquid shortage detection unit detecting a shortage of the battery liquid by detecting a voltage value between the battery cells, an battery liquid-shortage time calculation unit calculating a battery liquid-shortage time, which is a cumulative time of the shortage of the electrolyte detected by the battery liquid shortage detection unit, a memory storing the battery liquid-shortage time calculated by the battery liquid-shortage time calculation unit, and a communication controller attaching time information to the battery liquid-shortage time stored in the memory and outputting the battery liquid-shortage time with the time information to a management server, at a predetermined timing.
-
Citations
17 Claims
-
1. An industrial vehicle comprising:
-
a storage battery that includes a plurality of battery cells including electrolyte and electrode plates, the battery cells being connected in series, and a detecting point, disposed between the electrode plates of adjacent battery cells, at which a voltage value for detecting a shortage of the electrolyte is detected; an electrolyte shortage detection unit that detects a shortage of the electrolyte in at least one of the battery cells by detecting a voltage value at the detecting point; an electrolyte-shortage time calculation unit that calculates an electrolyte-shortage time, which is a cumulative time of the shortage of the electrolyte detected by the electrolyte shortage detection unit when the shortage of the electrolyte continues; a memory unit that stores the electrolyte-shortage time calculated by the electrolyte-shortage time calculation unit; a time information generating unit that generates time information; and
an output processing unit that performs output processing for attaching the time information to the electrolyte-shortage time stored in the memory unit and outputting the electrolyte-shortage time with the time information to an output unit, at a predetermined timing. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A system for managing a state of an amount of electrolyte of an industrial vehicle, the system comprising:
-
an industrial vehicle including; a storage battery that includes a plurality of battery cells including electrolyte and electrode plates, the battery cells being connected in series, and a detecting point, disposed between the electrode plates of adjacent battery cells, at which a voltage value for detecting a shortage of the electrolyte is detected; an electrolyte shortage detection unit that detects a shortage of the electrolyte in at least one of the battery cells by detecting a voltage value at the detecting point; an electrolyte-shortage time calculation unit that calculates an electrolyte-shortage time, which is a cumulative time of the shortage of the electrolyte detected by the electrolyte shortage detection unit when the shortage of the electrolyte continues; a memory unit that stores the electrolyte-shortage time calculated by the electrolyte-shortage time calculation unit; a time information generating unit that generates time information; and an output processing unit that performs output processing for attaching the time information to the electrolyte-shortage time stored in the memory unit and outputting the electrolyte-shortage time with the time information to an output unit, at a predetermined timing; and a management server that communicates with the industrial vehicle, wherein the output processing unit attaches the time information to the electrolyte-shortage time stored in the memory unit and outputs the electrolyte-shortage time with the time information to the management server by radio communication, at a predetermined timing. - View Dependent Claims (8)
-
-
9. An electric forklift comprising:
-
a storage battery that includes a plurality of battery cells including electrolyte and electrode plates, the battery cells being connected in series, and a detecting point, disposed between the electrode plates of adjacent battery cells, at which a voltage value for detecting a shortage of the electrolyte is detected; an electrolyte shortage detection unit that detects a shortage of the electrolyte in at least one of the battery cells by detecting a voltage value at the detecting point; an electrolyte-shortage time calculation unit that calculates an electrolyte-shortage time, which is a cumulative time of the shortage of the electrolyte detected by the electrolyte shortage detection unit when the shortage of the electrolyte continues; a memory unit that stores the electrolyte-shortage time calculated by the electrolyte-shortage time calculation unit; a time information generating unit that generates time information; and an output processing unit that performs output processing for attaching the time information to the electrolyte-shortage time stored in the memory unit and outputting the electrolyte-shortage time with the time information to an output unit, at a predetermined timing, wherein the electrolyte shortage detection unit detects the shortage of the electrolyte by detecting a plurality of voltage values between the plurality of battery cells, and the output unit transmits information, which is obtained by attaching the time information to the electrolyte-shortage time stored in the memory unit, by radio communication.
-
-
10. An industrial vehicle comprising:
-
a storage battery that includes a plurality of battery cells including electrolyte and electrode plates, the battery cells being connected in series, and a detecting point, disposed between the electrode plates of adjacent battery cells, at which a voltage value for detecting a shortage of the electrolyte is detected; an electrolyte shortage detection unit that detects a shortage of the electrolyte by detecting a voltage value between the plurality of battery cells; an electrolyte-shortage time calculation unit that calculates an electrolyte-shortage time, which is a cumulative time of the shortage of the electrolyte detected by the electrolyte shortage detection unit when the shortage of the electrolyte continues; a memory unit that stores the electrolyte-shortage time calculated by the electrolyte-shortage time calculation unit; a time information generating unit that generates time information; and an output processing unit that performs output processing for attaching the time information to the electrolyte-shortage time stored in the memory unit and outputting the electrolyte-shortage time with the time information to an output unit, at a predetermined timing, wherein the electrolyte shortage detection unit stores a final electrolyte shortage time, which is a time when the shortage of the electrolyte is detected, in the memory unit and then resets the electrolyte-shortage time stored in the memory unit when the shortage of the electrolyte is not detected by the electrolyte shortage detection unit and a time elapsed from the final electrolyte shortage time exceeds a predetermined time. - View Dependent Claims (11, 12, 13, 14)
-
-
15. A system for managing a state of an amount of electrolyte of an industrial vehicle, the system comprising:
-
an industrial vehicle including; a storage battery that includes a plurality of battery cells including electrolyte and electrode plates, the battery cells being connected in series, and a detecting point, disposed between the electrode plates of adjacent battery cells, at which a voltage value for detecting a shortage of the electrolyte is detected; an electrolyte shortage detection unit that detects a shortage of the electrolyte by detecting a voltage value between the plurality of battery cells; an electrolyte-shortage time calculation unit that calculates an electrolyte-shortage time, which is a cumulative time of the shortage of the electrolyte detected by the electrolyte shortage detection unit when the shortage of the electrolyte continues; a memory unit that stores the electrolyte-shortage time calculated by the electrolyte-shortage time calculation unit; a time information generating unit that generates time information; and an output processing unit that performs output processing for attaching the time information to the electrolyte-shortage time stored in the memory unit and outputting the electrolyte-shortage time with the time information to an output unit, at a predetermined timing; and a management server that communicates with the industrial vehicle, wherein the electrolyte shortage detection unit stores a final electrolyte shortage time, which is a time when the shortage of the electrolyte is detected, in the memory unit and then resets the electrolyte-shortage time stored in the memory unit when the shortage of the electrolyte is not detected by the electrolyte shortage detection unit and a time elapsed from the final electrolyte shortage time exceeds a predetermined time, and wherein the output processing unit attaches the time information to the electrolyte-shortage time stored in the memory unit and outputs the electrolyte-shortage time with the time information to the management server by radio communication, at a predetermined timing. - View Dependent Claims (16)
-
-
17. An electric forklift comprising:
-
a storage battery that includes a plurality of battery cells including electrolyte and connected in series; an electrolyte shortage detection unit that detects a shortage of the electrolyte by detecting a voltage value between the plurality of battery cells; an electrolyte-shortage time calculation unit that calculates an electrolyte-shortage time, which is a cumulative time of the shortage of the electrolyte detected by the electrolyte shortage detection unit; a memory unit that stores the electrolyte-shortage time calculated by the electrolyte-shortage time calculation unit; a time information generating unit that generates time information; and an output processing unit that performs output processing for attaching the time information to the electrolyte-shortage time stored in the memory unit and outputting the electrolyte-shortage time with the time information to an output unit, at a predetermined timing, wherein the electrolyte shortage detection unit detects the shortage of the electrolyte by detecting a plurality of voltage values between the plurality of battery cells, the output unit transmits information, which is obtained by attaching the time information to the electrolyte-shortage time stored in the memory unit, by radio communication, and the electrolyte shortage detection unit stores a final electrolyte shortage time, which is a time when the shortage of the electrolyte is detected, in the memory unit and then resets the electrolyte-shortage time stored in the memory unit when the shortage of the electrolyte is not detected by the electrolyte shortage detection unit and a time elapsed from the final electrolyte shortage time exceeds a predetermined time.
-
Specification