CN202100333U

CN202100333U - Control device of gas generator set

Info

Publication number: CN202100333U
Application number: CN2011202192347U
Authority: CN
Inventors: 邓震
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-16
Filing date: 2011-06-16
Publication date: 2012-01-04
Anticipated expiration: 2021-06-16

Abstract

The utility model belongs to the technical field of generator set control and particularly discloses a control device of a gas generator set. The control device comprises a central processing unit, a power supply circuit, a communication interface circuit, an analog-digital conversion circuit, a three-phase power input circuit, an input interface circuit, an output interface circuit, an operation keyboard, a display screen and an external acquisition circuit. The power supply circuit, the communication interface circuit, the analog-digital conversion circuit, the three-phase power input circuit, the input interface circuit, the output interface circuit, the operation keyboard and the display screen are connected with the central processing unit. The external acquisition circuit is connected with the analog-digital conversion circuit. The central processing unit serves as the core of the control device, and a plurality of functions are combined together, thereby enabling the control device to be high in intellectualization.

Description

Fuel gas generation unit control gear

Technical field

The utility model belongs to generator set control technique field, is specifically related to a kind of fuel gas generation unit control gear.

Background technique

At present, fuel gas generation unit control gear is called the natural gas engine monitor again, and this device adopts data acquisition board and the so separation structure of display board, and there is following problem in this structure:

1, outward appearance is outmoded inflexible, and nixie tube shows quantity of information very little, does not meet the requirement of intelligent unit automation;

2, gather the unit data very little, the lifting of incompatibility class of security protection;

3, lack remote communicating function;

4, the operable function of user is few;

5, overall structure is heavy, installs inconvenient.

The model utility content

In order to address the above problem, the purpose of the utility model is the fuel gas generation unit control gear that provides a kind of degree with better function, intelligent higher.

For realizing above-mentioned purpose, technological scheme that the utility model adopts is following:

A kind of fuel gas generation unit control gear is characterized in that this device comprises:

One central processing unit (CPU);

The power circuit that is connected with said central processing unit (CPU), communication interface circuit, analog to digital conversion circuit, three-phase electricity input circlult, input interface circuit, output interface circuit, operation keyboard and display screen; And

An outside Acquisition Circuit that is connected with analog-digital conversion circuit as described.

In the said fuel gas generation unit control gear; Said outside Acquisition Circuit comprises a generator voltage Acquisition Circuit, and said generator voltage Acquisition Circuit comprises resistance drop volt circuit that is connected with the generator output voltage end and first operational amplification circuit that is connected with said resistance drop volt circuit.

In the said fuel gas generation unit control gear, said outside Acquisition Circuit comprises temperature collection circuit and pressure acquisition circuit.

In the said fuel gas generation unit control gear, said display screen is vacuum fluorescent display screen (VFD).

The utility model is a core with central processing unit (CPU) at a high speed, and plate carries various input output and the Acquisition Circuit unit that are directed to generator set, accomplishes monitoring and control to unit.The power circuit of this device can be taken from the DC electrical source of the startup storage battery of generator set, and it exchanges three-phase electricity through the collection of three-phase electricity input circlult, and the voltage, electric current, power, merit of obtaining three-phase electricity is because of, frequency; Whether the operation that obtains the data monitoring motor through outside Acquisition Circuit collection water temperature, oil pressure, oil temperature, intake temperature, delivery temperature etc. is intact, shows real time data and state through the VFD display device, and passes through communication interface with data remote; Input, output interface are with starting motor, gas valve, the opening and closing that actuators such as speed regulator, reduction valve are real-time; Can browse the displaying contents on the VFD through the operation push-button input, can start unit and stop unit.

Description of drawings

The picture that this description of drawings provided is used for assisting the further understanding to the utility model, constitutes the application's a part, does not constitute the improper qualification to the utility model, in the accompanying drawings:

Fig. 1 is the theory structure block diagram of the utility model;

Diagram:

1, central processing unit (CPU) 2, power circuit

3, communication interface circuit 4, analog to digital conversion circuit

5, three-phase electricity input circlult 6, operation keyboard

7, VFD display screen 8, input interface circuit

9, output interface circuit 10, outside Acquisition Circuit

101, pressure acquisition circuit 102, temperature collection circuit

103, generator voltage Acquisition Circuit 1031, first operational amplification circuit

1032, resistance drop volt circuit

Embodiment

To combine accompanying drawing and practical implementation method to specify the utility model below, be used for explaining the utility model in the schematic enforcement and the explanation of the utility model, but not as the qualification to the utility model.

Embodiment 1:

As shown in Figure 1; The utility model discloses a kind of fuel gas generation unit control gear, this device comprises: central processing unit (CPU) 1, power circuit 2, communication interface circuit 3, analog to digital conversion circuit 4, three-phase electricity input circlult 5, operation keyboard 6, VFD display screen 7, input interface circuit 8, output interface circuit 9 and outside Acquisition Circuit 10; Wherein, power circuit 2, communication interface circuit 3, analog to digital conversion circuit 4, three-phase electricity input circlult 5, operation keyboard 6, VFD display screen 7, input interface circuit 8, output interface circuit 9 are connected with central processing unit (CPU) 1 respectively; Wherein, outside Acquisition Circuit 10 is connected with analog to digital conversion circuit 4; Wherein, outside Acquisition Circuit 10 comprises generator voltage Acquisition Circuit 103, temperature collection circuit 102 and pressure acquisition circuit 101; Wherein, generator voltage Acquisition Circuit 103 comprises resistance drop volt circuit 1032 that is connected with the generator output voltage end and first operational amplification circuit 1031 that is connected with resistance drop volt circuit 1032.

The special circuit that the outside Acquisition Circuit 10 of the utility model customizes to dissimilar analog amounts:

The generator voltage collection is accomplished waveform amplification and conditioning through operation amplifier circuit again through the resistance step-down, is input to the AD collection terminal of CPU at last, and according to the data of actual acquisition, calibrated span provides actual generating voltage data.

The electric weight of temperature is input on the accurate computing electric organ,, divides kilsyth basalt, draw actual temperature data through the retrieval temperature through being input to the AD collection terminal of CPU behind amplification and the conditioning circuit.

The outside collection of the utility model, input quantity, output quantity, communication and Main Processor Unit adopt high speed optoelectronic to isolate and accomplish, make its reliability higher.

Communication interface in the utility model comprises that RS232, RS485 communication interface, RS485 interface formulate according to the MODBUS industry-standard protocol, can with multiple industrial PLC, the DCS system connects.

The utility model adopts the ABS injection moulding to form shell, and overall appearance is succinctly attractive in appearance, and is easy for installation.

The utility model adopts specialized. circuit modulesization; Adopt photoelectricity to isolate between the different units module; Reliability Feng Changgao; Can gather in real time and reach 30 above voltage-types, current type, resistive type analog amount, interchange, DC parameter more than 20, the detection air inlet that also can be real-time and the state of exhaust.

Adopt the utility model, the user can accomplish the parameter setting through the execute-in-place panel, can also accomplish parameter setting and online data monitoring through telecommunication.

The vacuum fluorescent display screen (VFD) that the utility model uses under low temperature environment can show analog quantity parameter, electric parameters parameter, the set state of unit in real time.

More than technological scheme that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper the utility model embodiment's principle and mode of execution are set forth, above embodiment's explanation only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and application area, all can change, in sum, this description should not be construed as the restriction to the utility model.

Claims

1. fuel gas generation unit control gear is characterized in that this device comprises:

One central processing unit (CPU);

2. fuel gas generation unit control gear according to claim 1 is characterized in that:

Said outside Acquisition Circuit comprises a generator voltage Acquisition Circuit, and said generator voltage Acquisition Circuit comprises resistance drop volt circuit that is connected with the generator output voltage end and first operational amplification circuit that is connected with said resistance drop volt circuit.

3. fuel gas generation unit control gear according to claim 1 is characterized in that:

Said outside Acquisition Circuit comprises temperature collection circuit and pressure acquisition circuit.

4. fuel gas generation unit control gear according to claim 1 is characterized in that:

Said display screen is vacuum fluorescent display screen (VFD).