JP2692433B2 - Power generation type air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner using gas as a heat source.

2. Description of the Related Art In recent years, as the amount of energy used in society has increased, there has been a demand for its suppression and effective use of energy. Further, in terms of energy type, there is a demand for replacement of electric energy with gas energy because of difficulty in newly constructing a power plant. Conventionally, gas engine heat pumps, absorption chillers, and the like are known as air conditioners using a gas heat source for air conditioning. This gas engine heat pump uses gas as the main energy for cooling and heating, and a pump that is an auxiliary machine.
Energy is used for air blow, control, etc. using electricity. The block configuration of the gas engine heat pump is shown in FIG. The configuration will be described below with reference to FIG. The gas engine heat pump 101 is the engine 10.
2 and the compressor 103 and the condenser 10 driven thereby
4, the expansion valve 105, the evaporator 106, and a refrigerant system 107 including a pipe that sequentially connects them. That is, the gas engine heat pump is the one in which the electric motor, which is the drive source of the refrigerant system of a general air conditioner, is replaced with a gas engine. In the above configuration, when the engine 102 rotates, the compressor 103, whose shaft is connected to the engine 102, operates. Compressor 1
Due to the action of 03, the refrigerant gas in the refrigerant system 107 is compressed into high temperature gas and sent to the condenser 104. When the air conditioner is in the cooling operation, the heat of the refrigerant in the condenser 104 is taken by the fan and liquefied. The liquefied refrigerant is the expansion valve 10
When passing through 5, it becomes a low temperature gas. This low-temperature gas removes the heat of the indoor circulation air by the heat exchange action of the evaporator 106 and cools the room. The temperature of the refrigerant itself rises accordingly. This refrigerant gas is again compressed by the compressor 103 and circulates in the refrigerant system again to continue the cooling operation. Further, during the heating operation, the condenser 104 and the evaporator 106 are controlled by a four-way valve or the like.
It operates by replacing the role of the heat exchanger of.

In such a conventional gas engine heat pump 101, since the engine 102 is used, the equipment cost is higher than that of the electric heat pump. Further, since the refrigerant system and the engine are integrated, maintenance is complicated, and if a failure should occur, it may take time to find the cause and deal with it. Since the gas engine heat pump 101 uses the engine 102, its value is recognized as a relatively large capacity air conditioner. In that case, although there may be a plurality of indoor heat radiating parts of the gas engine heat pump 101, on the other hand, since the engine part and the heat radiating part are connected by the refrigerant pipes, at the time of installation and construction on a building. It's not as easy as with electrical wiring. Further, the equipment design of gas engine heat pump 101, electric Shikihi
Since the design factors of the refrigerant system of the heat pump and the design factors of the engine 102 affect each other, it is not easy to find the optimum value of the operation experimentally and it takes a long time. Further, from this, it is considered difficult to always operate at the optimum point even in actual use. In order to design the gas engine heat pump 101, it is necessary to have, as experimental equipment, equipment for measuring various characteristics of the engine 102 as well as equipment for measuring various characteristics of the refrigerant system. Therefore, capital investment for product design is large. . Continuous adjustment range of air conditioning capacity of gas engine heat pump 101 is 1 to 1/3
Therefore, when it is necessary to reduce the air conditioning capacity to a lower level, intermittent control is performed, and the comfort feeling in air conditioning decreases. As described above, the gas engine heat pump 101 using gas as an energy source has a higher equipment cost than the electric heat pump, is difficult to maintain and install, the device design is complicated, and the experimental equipment for the development experiment is also expensive. There was also a problem that the comfort of air conditioning was not sufficient. The present invention is intended to solve the above problems, the gas energy to the air conditioner of a heat source, their power generation equipment and electric air conditioner by gas is divided into a control unit which controls integrally each independently Provide a device that has a structure that can be designed, eliminates the complexity of device design due to mutual interference, simplifies the installation and maintenance of the device, and realizes comfortable air conditioning with a wide load continuous adjustment range , and a power generator From to air conditioner
Control power supply with a power switch installed on the generator side
The first is to prevent the simultaneous activation of multiple air conditioners.
The purpose of. A second object is to control the power supply from the power generator to the air conditioner by an electric power switch installed on each air conditioner side in the configuration example for achieving the first object,
The configuration is simplified by sharing the power switch element originally provided in the air conditioner itself or the semiconductor switch element of the inverter.

A first means for achieving the first object of the present invention is to provide an air conditioner of a segmented air conditioner and its
A first switch provided in the vicinity of the
Signal input to control the second switch and fuel controller
The engine is started by the signals of the first control unit and the first control unit.
Of drive energy from the dynamic power supply to the engine starter
Second switch for controlling supply, engine starting device, and
An engine that mechanically couples with this engine starter at startup.
Electric power generated by mechanically connecting gin and the engine
Input the signal of this generator and the signal of the engine.
Control at least the fuel control device and
The power switch is judged by judging whether the output of the electric machine is within the specified value.
Control unit for controlling a signal of the second control unit
To sequentially energize the output of the generator to the air conditioner.
And a power switch for controlling
You. The second means for achieving the second object is
In the scope of claim 1 of the appended claims, the power switch to control to energize the output of the generator to the air conditioner is obtained by a configuration in which each air conditioner.

According to the present invention, the engine section and the refrigeration cycle section are replaced with mechanical coupling by the structure of the above-mentioned first means,
By controlling the adverse effects of the interaction between the two parts by electrical connection via a generator, the complexity of equipment design of air conditioners that use gas as a heat source is eliminated, and the installation and installation of air conditioners is performed. and maintain the intended simplicity, and a wide capacity adjustment range, facility design is relatively easy, and can provide a good air conditioner heating and cooling sensation, further
The one in which it is possible to prevent an adverse effect to a plurality of air conditioners simultaneously start and its instrumental in the sequential operation of a power switch that is controlled by the second control unit. Also, the second
With this configuration, the power switch controlled by the second control unit can be shared with the switch of the air conditioner originally provided, and the configuration of the electric circuit around it can be simplified. It is a thing.

EXAMPLES Hereinafter, the present invention will be described.Basic configurationSee Figure 1 for
It will be explained while referring to the figures. Power generation type air conditioner as shown1
Is a power generator that uses gas or other fuel as its energy source2And it
1 or more sections activated by the power line PL by
Air conditioner3, 3 '・ ・ Consist of Air conditioner for each category3Is
First switch4And electric air conditioner5It consists of. And
Each first switch4Are connected in parallel, which first
Switch4Also signal lineSLThrough the power generator2Can operate
It is. Air conditioner for each category3Is the room or air conditioner
Installed in Also, the power generator2On the roof of a building
It is installed and connected between them with electric wires. In the above configuration
The operation of the power generation type air conditioner will be described below. There is no room
If you want to start air conditioning in the air conditioning zone,
First switch4Close. The state of this switch is the signal line
It is transmitted by SL, and by this2Is activated to generate electricity
Start and classify air conditioner through electric wire PL3Air conditioner5Electric power
Power supply starts. As a result, the air conditioner5Is working and empty
The key can be started. Thus, the present inventionDepartureElectric type
According to the air conditioner, an air conditioner that uses gas energy as a heat source
Is divided into a gas generator unit and an electric air conditioner unit
And connect the wire PL between them, so determine the test conditions.
By power generator2Air conditioner3Each other
Can be designed separately without being affected. As a result, the whole
Quick equipment design and performance such as capacity control range and efficiency
Is easy to achieve at a high standard. Also, the power generator2And ward
Minute air conditioner3To connect with the
Equipment compared to gas engine heat pumps that require
Easy equipment design and installation. Also, the power generator2And ward
Minute air conditioner3Since and can be divided by the electric part,SplitEase
It is easy to maintain, and even in the unlikely event of failure
It is relatively easy. And a wide range of high continuous load adjustment range
Uses an electric air conditioner with functions, and uses gas as a heat source
Easy equipment that realizes comfortable air conditioning even though it is an air conditioner
Can be provided. Also, when heating, the engine
By using the cooling water of the
A more comfortable air conditioner can be provided. In addition, air conditioning
Machine5Or a first switch provided in the vicinity thereof4 is emptyArrangement
5By interlocking with the start / stop switch of
Increased cooperation and operability and certainty of movementToCan be raised
it can. In addition, the cooling water of the power generator is used for hot water supply and heating.
It is also possible to improve the utilization rate of gas energy. Next,
Ming No.1An example will be described with reference to FIG.
You. As shown in the figure,Power generation type air conditioner1Is a generator2
And one or a plurality of segmented air conditioners that are energized thereby.
Place3, 3 '・ ・ Consist of Air conditioner for each category3Is the signal
It is connected by the line SL, and the generator is operated by the operation.2Start
First switch to let4And the motor and driven by it
Normal electric air conditioning with compressor and refrigerant circuit
And a power generator2Corresponding power switch of
Power is supplied from 14 through the power line PL. Also, DepartureElectric device
2Is the first switch4Second switch in response to the signal from8Control
First control unit to control6, The second switch8By the action of
Fixed period engine starter9Power supply for starting
7, dEngine starter9Operation for a certain period of time
Energized engine11, dEngine11By turning force
A generator 12 that is energized to generate electricity, DepartureOutput of electric machine 12
Air conditioner3Power switch 14 for controlling supply to,1
Control unit6Signal ofRieEngine starter9Made at the same time
Fuel control device to start operation10, dEngine11Cooling water
Temperature, exhaust gas temperature, air temperature, air-fuel ratio, CO, CO
2, NOx and other status signals and the voltage signal of the generator 12
Input and cooling water control deviceFifteenAnd fuel control device10And control
In addition to controlling the power switch
Second control for sequentially controlling according to the orderDepartmentConsists of 13
You. In the figure, W is the engine11Cooling water, F
Indicates fuel supply, HWIsengine11Warm the cooling water
Indicates to output as water. Power generation type sky
The operation of the adjusting device will be described. Some room or air conditioner
If you want to start the air conditioning of the
vessel4Close. The state of this switch is transmitted by signal line SL
The power generator2Activated and power generation started,
Air conditioner classified through PL3Air conditioner5Open power supply to
Start. As a result, the air conditioner5Works and starts air conditioning
be able to. Also, in multiple rooms or air-conditioned zones,
At the same time the first switch4To start driving
In case, the generatorTwoOutput margin status and classified air conditioning
apparatus3Depending on the load condition such as inrush current of
21 or a plurality of power switches 1 within the output margin of
Add 4 sequentially. Thus, the present invention1Originating example
According to the electric air conditioner, the plurality of power switches 14 are sequentially closed.
When air conditioners, which are loads, are started simultaneously by twisting
To avoid the adverse effects of overload due to inrush current
Can be. In addition, an air conditioner that uses gas and energy as a heat source
Is divided into a gas generator unit and an electric air conditioner unit
And the electricity is connected between them.2Is also empty
Adjustment device3Each independently without being influenced by others
Can be designed. As a result, the overall device design is
Performance, such as capacity control range and efficiency, can be realized at a high level.
Easy to play. Also, the power generator2And classification air conditioner3Between
Gas engine that requires refrigerant piping to connect with electric wires
Compared to heat pumps, equipment design and installation work is easier
It is easy. Also, the power generator2And classification air conditioner3And electricity
Because it can be divided into parts,SplitEasy to maintain,
First, even if a failure occurs, it is relatively easy to find it. So
And high-performance electric air conditioner with a wide load continuous adjustment range
The air conditioner that uses gas as a heat source
It is possible to provide equipment that realizes comfortable air conditioning.
Also, when heating, use engine cooling water for heating
To provide a more comfortable air conditioner than an electric air conditioner.
Can be Note that here, the first control unit6And the second
ControlDepartmentIt was explained as a separate item from 13, but the actual structure
The success is an integrated one. Next, the first aspect of the present invention2Implementation
An example will be described with reference to FIG. As shown
Sea urchin power generation air conditioner1Is a generator2And thereby power
One or a plurality of segmented air conditioners activated via line PL
3It consists of. Air conditioner for each category3Via signal line SL1
Power generator2The first switch that connects with4And the motor
A compressor and a refrigerant circuit driven by this
Second control via the usual electric air conditioner and signal line SL2
In the power switch 14 which is connected to the section 13 and controlled by the signal
Configure. Also, DepartureElectric device2Is the first switch4The signal of
Received second switch8Control unit for controlling6, number2
Switch8By the action of the engine starter for a certain period9Energize
Power supply for starting7, dEngine starter9By the operation of
Engines that are given rotational force for a certain period of time11, dEngine
11Generator 1 that is driven by a rotating force to generate electric power
2,Control unit 16Signal ofRieEngine starter9When
Fuel control device that starts operation at the same time10, dEngine11
Inputting the status signal of the generator and the voltage signal of the generator 12
AdjusterFifteenAnd fuel control device10And control
In each category air conditioner3WithinAhPower switch for receiving power
The second control unit 14 sequentially controls 14 according to a predetermined order.
controlDepartmentIt consists of 13. With the above configuration, the power switch 1
Air conditioner divided into 43By placing it inside
And the power required to prevent simultaneous activation with the switch required for the air conditioner
It can be shared with the closure 14 and the configuration can be simplified.
You. In addition, the air conditioner5If the is an inverter type, open the semiconductor.
Second control of inverter with closed elementDepartmentSignaled by 13
It can be shared with the operation of the power switch 14 by controlling the stoppage.
Therefore, the configuration can be further simplified. In addition,
The power switch 14 is an air conditioner for each category3Other than installation in
Electric device2Also installed in, and check the operation by blinking the lamp,
It can be used for other safety maintenance, condition monitoring, etc. this
As in the present invention2According to the power generation type air conditioner of the embodiment,
Air conditioners that tend to be adversely affected5Avoid simultaneous startup of
At the same time, the structure around the power switch 14 which is relatively expensive
Can be simplified.

As is apparent from the above embodiments, according to the present invention , the gas generator unit and the electric air conditioner unit can be designed independently of each other, and the device design by mutual interference between them can be achieved. to remove the complexity and simplify installation construction and maintenance of the equipment, moreover, the gas energy to achieve a wide comfortable air-conditioning of continuously adjustable range of the load kills with providing a generator-type air conditioner as a heat source. In addition, by sequentially controlling the power supply from the power generator to the air conditioner with the power switch installed on the power generator side, it is possible to generate gas energy that can easily and reliably prevent simultaneous start of multiple air conditioners. A power generation type air conditioner that uses a heat source can be provided . Further, by controlling the power supply to the air conditioner from the power generation device by the power switch installed in the air conditioner side, the power switching element that had originally provided to the air conditioner itself, or a semiconductor switching element of the inverter and the common By doing so, it is possible to provide a power generation type air conditioner that uses gas energy as a heat source and has the effect of simplifying the configuration.

[Brief description of the drawings]

FIG. 1 is a block diagram of a basic configuration of a power generation type air conditioner of the present invention.
Figure

FIG. 2 is a block diagram of the power generation type air conditioner according to the first embodiment of the present invention .
Figure

FIG. 3 is a block diagram of a power generation type air conditioner according to a second embodiment of the present invention .
Figure

FIG. 4 is a block diagram of a conventional gas engine heat pump using gas energy as a heat source .

[Explanation of reference numerals] 1 power generation type air conditioner 2 power generation device 3 classification air conditioner 4 first switch 5 air conditioner 6 first control unit 7 starting power supply device 8 second switch 9 engine starter 10 fuel control Device 11 Engine 12 Generator 13 Second control unit 14 Power switch

Claims (2)

(57) [Claims] 1. A power generator, and a divided air conditioner composed of an air conditioner and a first switch , the power generator comprising:
Control the second switch for controlling the supply of the drive energy from the engine starting power supply to the engine starting device controls the inputs the serial signal of the first switch fuel control device
A first control unit Gosuru, an engine mechanically coupled to the time of starting said engine starting device and the engine starting device, and the engine mechanically coupled to a generator to be energized, the state of the generator the output of the generator is determined whether within a predetermined value and controls at least the fuel control device as an input and a state signal of the signal and the engine
A second control unit that controls one or more power switches for energizing sequentially the plurality of air conditioners by the output of the pre-Symbol generator
A power generation type air conditioner having: Provided 2. A power generator, one or a plurality of partitioned air conditioner is energized by the output of the generator device, the said respective sections air conditioner, provided the air conditioner and its interior or the vicinity thereof 1 switch and a power switch controlled by a signal from the second control unit of the power generator ,
Serial power generator, fuel as input signal of the first switch
A first control unit controls the control unit controls the second switch for controlling the supply of the drive energy from the power supply for starting the engine to an engine starting device, and the engine starting device and the engine starting device starting control an engine that sometimes mechanically coupled, a generator is the engine mechanically coupled to energizing, the fuel control system also enter a state signal of the state signal and the engine of the generator set to less control one or more power switches an output of the generator is sequentially energized a plurality of air conditioners by the output of the pre-Symbol generator determines whether it is within a predetermined value as well as
A power generation type air conditioner having a second control unit .