CN201273719Y - Multifunctional gas burning boiler controller - Google Patents

Abstract

The utility model discloses a multifunctional coal burning boiler controller which comprises a central processing unit, an information acquisition unit, a control unit, a memory, a touch screen and a warner, so that the problems of low networking degree, poor operational safety performance and the like of the coal burning boiler controller in the prior art are solved. A wireless sensor and a fingerprint reader are integrated by the multifunctional coal burning boiler controller, and the network working procedure of the controller is modified, so that the multifunctional coal burning boiler controller has the functions of network deployment, identification and the like. According to the proposal proposed by the utility model, the problems of low networking degree, poor operational safety performance and the like in the prior art can be solved, and the properties of the device are improved.

Description

The multifunction gas boiler controller

Technical field

The utility model relates to a kind of automatic control device, particularly a kind of multifunction gas boiler controller.

Background technology

Boiler is the heat energy that utilizes fuel or other energy, water is heated as the plant equipment of hot water or steam.Boiler comprises pot and stove two large divisions.Wherein, the part of heat absorption is called pot, and the part that produces heat is called stove.

Boiler parameter is the leading indicator of expression boiler performance, comprises boiler capacity, steam pressure, vapor (steam) temperature, feed temperature etc.Boiler capacity can be represented with rated capacity or maximum continuous evaporation amount.Rated capacity is under specified outlet pressure, temperature and efficient, quantity-produced quantity of steam in the unit interval.Maximum continuous evaporation amount is under specified outlet pressure, temperature, can maximum quantity-produced quantity of steam in the unit interval.Steam parameter comprises the steam pressure and the temperature of boiler, and the superheated steam pressure and temperature that typically refers to superheater, reheater exit promptly refers to the saturated vapour pressure and the temperature at boiler export place as not having superheater and reheater.Feed temperature is meant the inflow temperature of economizer, refers to the drum inflow temperature during no economizer.

Boiler can be classified according to diverse ways.Boiler can be divided into Industrial Boiler, station boiler, marine boiler and locomotive boiler etc. by purposes; Can be divided into boilers such as low pressure, middle pressure, high pressure, super-pressure, subcritical pressure boiler, supercritical pressure by boiler export pressure; Boiler can be divided into fire tube boiler, multitubular boiler and water-tube boiler by the flow path of water and flue gas, and its moderate heat tube boiler and multitubular boiler are collectively referred to as shell boiler again; Can be divided into natural circulation boiler, associated circulation boiler (being forced circulation boiler), direct current cooker and combined circulation boiler by endless form; Press combustion system, boiler is divided into chamber burner, grate furnace and fluidized bed furnace etc.

Gas fired-boiler is present widely used a kind of boiler plant.In order to guarantee the operation normally and efficiently of gas fired-boiler; need the gas fired-boiler controller that it is controlled; with the combustor of assurance gas fired-boiler, the automatic operation of water pump, circulator and oil pump, and can realize temperature control, warning automatically, the antifreeze and auto restore facility of shutdown.

The Gas controller of prior art all works alone, and lacks its communication ability between each equipment; Simultaneously, adopt simple grade password to come predetermined operation personnel's authority, and boiler controller is the key equipment to boiler control, operating personnel will produce serious consequence to whole boiler to the maloperation of boiler controller.Therefore, be necessary existing boiler controller is improved, improve the security of equipment.

This shows that there is following shortcoming in existing coal-burning boiler controller:

1 each gas fired-boiler controller works alone, and networked degree is low; The data message of each gas fired-boiler controller can't be communicated by letter mutually;

2 poor safety performance, operating personnel's maloperation will produce catastrophic consequence to system.

The utility model content

Because the above-mentioned defective of prior art, the utility model embodiment provides a kind of multifunction gas boiler controller, to solve the low shortcoming of boiler controller networking degree of the prior art, make and to form sensor network between each boiler controller, so that operating personnel can obtain the information that other gas fired-boiler controller is gathered on server terminal, improve the network performance of equipment;

Another purpose of the present utility model is to solve the low shortcoming of equipment processing safety of prior art, when operating personnel are carrying out temperature, during key operations such as pressure is provided with, need operating personnel to import finger print information to determine operation behavior, thereby improve the handling safety performance of equipment, prevent the catastrophic effect that maloperation brings.

The utility model is integrated fingerprint reader and wireless senser in existing gas fired-boiler controller, particularly, fingerprint reader is connected with the gas fired-boiler controller by usb bus, the mode of wireless senser by the pci bus slot is connected to the gas fired-boiler controller, and upgrade the working procedure of boiler controller, make this multifunction gas boiler controller possess radio communication function and identity recognition function.Solved the shortcoming of the low and handling safety performance difference of the networked degree of gas fired-boiler controller in the prior art.

This utility model comprises: a kind of gas fired-boiler controller comprises:

Central processing unit, information acquisition unit, control module, memory, touch-screen and alarm;

Wherein, described central processing unit adopts embedded ARM processor, is connected respectively with logic control circuit, I/O interface circuit, memory; Control module is connected with logic control circuit by data/address bus with information acquisition unit; Touch-screen is connected with central processing unit by the I/O interface with alarm; Described information acquisition unit comprises: temperature sensor, pressure acquisition device, flowmeter and equipment state detector; Described control module comprises: oil level controllers, controller of fan and water pump controller;

It is characterized in that: described gas fired-boiler controller further comprises:

Make this gas fired-boiler controller and other gas fired-boiler controller form the wireless senser of self-organizing network; And, obtain the fingerprint reader of operating personnel's identity information;

Described fingerprint reader is connected with central processing unit by usb bus;

Described wireless senser is connected with central processing unit by pci bus.

Described memory is RAM or EEPROM.

Description of drawings

Fig. 1 is the structural representation of multifunction gas boiler controller of the present utility model;

Fig. 2 is an information acquisition unit structure chart of the present utility model;

Fig. 3 is a control module structure chart of the present utility model;

Fig. 4 is the workflow diagram of multifunction gas boiler controller among the utility model embodiment;

Fig. 5 is the utility model wireless senser workflow diagram;

Fig. 6 is the utility model fingerprint reader workflow diagram;

The specific embodiment

Below in conjunction with Figure of description, the multifunction gas boiler controller that the embodiment of the invention provides is described in detail by specific embodiment.

Fig. 1 has illustrated the structure chart of the multifunctional coal-fired boiler controller of the utility model.This boiler controller is by central processing unit, memory, and alarm, logic control circuit, the I/O interface circuit, information acquisition unit, control module, touch-screen, fingerprint reader, wireless senser is formed.Wherein: information acquisition unit is connected with central processing unit by logic control circuit with control module, and information acquisition unit is responsible for temperature, pressure, the parameter collection work of flow and equipment running status; Control module is responsible for the data signal of central processing unit output is converted to control signal, with control oil level controllers, the work of controller of fan and water pump controller.Central processing unit also is connected with touch-screen, fingerprint reader, memory by the I/O interface, is connected with wireless senser by the pci data bus.

Wherein, central processing unit is the core of entire controller, adopts embedded chip here, finishes as arm processor, information acquisition unit comprises the temperature sensor device as described in Figure 2: be used for ambient temperature information is carried out real-time collecting, adopt No. 4 temperature sensors here; Pressure acquisition device: be used for the pressure information of boiler internal is collected; Flowmeter: be used for in-pipe flow amount information is calculated; Equipment condition monitoring device: be used for the equipment running status information of carrying out is collected.Control module sends the parameter after the central processing unit analytical calculation to oil level controllers, controller of fan and water pump controller as described in Figure 3 to be used for to oily machine blower fan and water pump control.Touch-screen: be responsible for displays temperature, pressure, discharge information, and the control command of obtaining operating personnel's input.Alarm is responsible for abnormal conditions are reported to the police.Memory generally is made up of RAM and ROM, and RAM is responsible for storing each facility information in the boiler operatiopn, ROM storage configuration parameter.

Wireless senser adopts the IRIS module of U.S. Crossbow company that wireless transmission function is provided, and it has as lower interface: 4～20mA current interface; 2 line system RTD interfaces; The relay control interface; Output 4～20mA control interface; RS232 standard serial communication interface; RS485 standard serial communication interface.The built-in PCB printed antenna of industry interface board can be realized short-range communication ability (30m).When the needs long-range communications capabilities, can extend out antenna, reach communication distance between the building of 300～500m by SMA connector.Thereby IRIS radio communication module can be integrated in the boiler controller by linking to each other with the data/address bus of central processing unit, also can be designed to a standalone module, inserts in the bus slot of boiler controller.

Fingerprint reader can adopt the USB of Hewlett-Packard fingerprint reader, and described fingerprint reader is by matching operation personnel's fingerprint and previous the input in database of fingerprint information to confirm operating personnel's identity.This fingerprint reader can be connected with central processing unit by the usb bus mode, also reader can be integrated in boiler controller inside, forms incorporate equipment.

Fig. 4 has illustrated the workflow of this multifunction gas boiler controller.

Step 1: behind the multifunction gas boiler controller starting up, enter automatic configuration status, the systematic parameter that CPU reads among the ROM is carried out initialization to each hardware of equipment, the running parameter of configuration gas fired-boiler controller;

Step 2: equipment enters the self check state, and whether detect each port normal, abnormal conditions occur when detecting port, and equipment begins to report to the police, and the timely checkout facility of notifying operation personnel is fixed a breakdown;

Step 3: if there is not unusual circumstance, wireless senser in the boiler controller is started working, and sends network equipment search signal, and receives the affirmation signal that miscellaneous equipment returns, obtaining the all-network equipment outside this equipment, and will search the network equipment and be presented on the touch-screen;

Step 4: the temperature sensor in the boiler controller, pressure acquisition device, flowmeter and equipment state detector are started working, with temperature information, pressure information, flow information and status information of equipment send CPU to, store above-mentioned information after treatment, on touch-screen, show above-mentioned information simultaneously;

Step 5: boiler controller is waited for operating personnel's instruction;

Step 6: when operating personnel operated boiler controller, boiler controller judged whether that to temperature, pressure is provided with, if then boiler controller requires operating personnel to import finger print information; If not, then executable operations personnel's instruction;

Step 7: when the finger print information of having stored in the finger print information of operating personnel input and the boiler controller is complementary, boiler controller executable operations personnel's instruction, if do not match, then warning.

Fig. 5 has illustrated the wireless senser workflow.

Step 1: sensing device starts;

Step 2: send network equipment search signal; Alternatively, comprise the Hello detectable signal;

Step 3: receive network equipment response signal; Network others equipment is receiving that the Hello detectable signal number returns the response signal that contains self ID;

Step 4: from response signal, extract network equipment information; This equipment extracts the nearby device information of this equipment from the response message that contains other network equipment ID number;

Step 5: carry out timed message with this network equipment and confirm; This equipment sends the confirm signal to all network equipments that searches out, to determine the connection between the equipment;

Step 6: when network topology changed, repeated execution of steps two was to step 5;

Step 7: show the network equipment that searches out, this equipment shows all attachable network equipments on screen.

Fig. 6 has illustrated the workflow of fingerprint reader.

Step 1: the finger print information that obtains operating personnel;

Step 2: operating personnel's finger print information is converted into digital information;

Step 3: extract the characteristic information in the digital information; Wherein characteristic information comprises point, crest terminal point and the branch and the isolated area of fingerprint;

Step 4: characteristic information and operating personnel's finger print information of having preserved are compared;

Step 5: if the match is successful, then authenticate,, then refuse these operating personnel's the request of landing if coupling is unsuccessful by these operating personnel.

The above only is several specific embodiment of the present invention, and above embodiment only is used for technical scheme of the present invention and inventive concept are done explanation and unrestricted claim scope of the present invention.All technical staff in the art in conjunction with prior art, by the available other technologies scheme of logic analysis, reasoning or limited experiment, also should be considered to drop within the claim protection domain of the present invention on the inventive concept basis of this patent.

Claims (2)

1, a kind of gas fired-boiler controller comprises:

Central processing unit, information acquisition unit, control module, memory, touch-screen and alarm;

Wherein, described central processing unit adopts embedded ARM processor, is connected respectively with logic control circuit, I/O interface circuit, memory; Control module is connected with logic control circuit by data/address bus with information acquisition unit; Touch-screen is connected with central processing unit by the I/O interface with alarm; Described information acquisition unit comprises: temperature sensor, pressure acquisition device, flowmeter and equipment state detector; Described control module comprises: oil level controllers, controller of fan and water pump controller;

It is characterized in that: described gas fired-boiler controller further comprises:

Make this gas fired-boiler controller and other gas fired-boiler controller form the wireless senser of self-organizing network; And, obtain the fingerprint reader of operating personnel's identity information;

Described fingerprint reader is connected with central processing unit by usb bus;

Described wireless senser is connected with central processing unit by pci bus.

2, coal-burning boiler controller according to claim 1 is characterized in that, described memory is RAM or EEPROM.

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