1. A steam cleaner with multiple protections, comprising a machine body, pressure protection, and temperature protection;
said machine body including a power control unit, a boiler, and a water storage unit;
said pressure protection including a pressure controller, and a relief valve separate from said pressure controller;
said temperature protection including a temperature controller, and a fuse unit separate from said temperature controller;
said pressure controller being connected at one side to said power control unit, and at another side to said boiler;
said relief valve being connected at one side to a receiving space defined in a lower case of said machine body, and at another side to said boiler;
said temperature controller being connected at one side to said power control unit, and at another side to said boiler;
said fuse unit being provided on said boiler and electrically connected to said power control unit via wires; and
said water storage unit being connected to said boiler.
2. The steam cleaner with multiple protections as claimed in claim 1, wherein said machine body is internally provided with a vacuum motor, to which a vacuum hose included in a connecting hose set is connected.
3. The steam cleaner with multiple protections as claimed in claim 1, wherein said machine body is internally provided with a detergent holding unit.
4. The steam cleaner with multiple protections as claimed in claim 3, further comprising a first pumping motor provided between and connected to said detergent holding unit and said boiler.
5. The steam cleaner with multiple protections as claimed in claim 1, further comprising a second pumping motor provided between and connected to said water storage unit and said boiler.
6. The steam cleaner with multiple protections as claimed in claim 5, wherein said second pumping motor is connected at an output end to said water storage unit via a third water supply tube.
7. The steam cleaner with multiple protections as claimed in claim 1, wherein said boiler is internally provided with a water tank.
8. The steam cleaner with multiple protections as claimed in claim 7, wherein said water tank is connected to a second pumping motor via a second water supply tube, and said second pumping motor being connected to said water storage unit via a first water supply tube.
9. The steam cleaner with multiple protections as claimed in claim 8, wherein said water tank is internally provided with a water level detector.
10. The steam cleaner with multiple protections as claimed in claim 1, wherein said pressure controller and said relief valve are actuated at different pressures.
11. The steam cleaner with multiple protections as claimed in claim 1, wherein said temperature controller and fuse unit are actuated at different temperatures.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A drive control device of a hybrid vehicle comprising:
an internal combustion engine that includes an output shaft;
a driving shaft that is connected to a drive wheel;
first and second motor generators;
a differential gear mechanism that includes four rotating components connected to a plurality of the motor generators, the driving shaft, and the internal combustion engine;
an accelerator opening degree detecting means that detects the accelerator opening degree;
a vehicle speed detecting means that detects a vehicle speed;
a battery charge state detecting means that detects a charge state of a battery;
a target driving power setting means that sets target driving power based on the accelerator opening degree that is detected by the accelerator opening degree detecting means and the vehicle speed detected by the vehicle speed detecting means;
a target chargedischarge power setting means that sets target chargedischarge power based on at least the charge state of the battery that is detected by the battery charge state detecting means;
a target engine power calculating means that calculates target engine power based on the target driving power of the target driving power setting means and the target chargedischarge power of the target chargedischarge power setting means;
a target engine operating point setting means that sets a target engine operating point based on the target engine power and total system efficiency;
a motor torque instruction value calculating means that sets torque instruction values of the plurality of the motor generators;
an electric power loss predicting means that calculates estimated power that is an electric power loss based on the vehicle speed and the target driving force;
an electric power upper limitlower limit value calculating means that sets an electric power upper limit and an electric power lower limit for limiting inputoutput electric power for the battery based on the estimated power that is the electric power loss and battery state parameters; and
a target electric power calculating means that calculates target electric power based on a difference between the target engine power and the target driving power calculated at the target engine operating point and, when the target electric power comes off a range set by the electric power upper limit and the electric power lower limit, limits the target electric power to the electric power upper limit or the electric power lower limit,
wherein the motor torque instruction value calculating means calculates torque instruction values of the plurality of the motor generators using a torque balance equation including the target engine torque acquired at the target engine operating point and an electric power balance equation including the target electric power.
2. The drive control device of the hybrid vehicle according to claim 1,
wherein the target engine power calculating means calculates the target engine power based on the target driving power, the target chargedischarge power, and the estimated power that is the electric power loss, and
wherein the electric power upper limitlower limit value calculating means determines the electric power upper limit or the electric power lower limit by subtracting the estimated power from a retrieved value acquired through a search from a search table based on a temperature, a voltage, and an SOC as the battery state parameters.