CN2921633Y

CN2921633Y - Gas fuel fireplace

Info

Publication number: CN2921633Y
Application number: CN 200620044127
Authority: CN
Inventors: 杨学凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-21
Filing date: 2006-07-21
Publication date: 2007-07-11
Anticipated expiration: 2016-07-21

Abstract

A gas fuel fireplace comprises a shell, a furnace arranged in the shell, a burner positioned in the furnace, a circulating fan, a balance reinforced air exhausting system, an automatic control system arranged on the shell and a pulse ignition ion detecting device arranged on the burner, wherein, the balance reinforced air exhausting system compulsively exhausts waste gas and inhales fresh air without being affected by the wind speed, wind direction and wind pressure in external nature; the automatic control system automatically controls the whole operation of the pulse ignition ion detecting device and the fireplace; the working condition in the fireplace can be directly observed.

Description

Gas firing wall

Technical field

The utility model relates to a kind of fireplace, particularly relates to a kind of gas firing wall.

Background technology

Gas firing wall is to use burning gases and warms oneself.As the coal gas that burns, liquefied gas, natural gas or biogas etc.Because be burning gases, and generally, fireplace is to be placed on indoorly, and therefore having safety is primary problem.Secondly, the burning of fireplace can reach desired temperature and energy fuel savings fast; Waste gas after burning thoroughly can be thrown into outdoorly, can reduce thermal loss to greatest extent again; Can be directly perceived to the combustion position in the fireplace, again can straighforward operation control and operation safely and reliably etc. automatically, these are the problem that the good and bad institute of examination gas firing wall must consideration.

Formerly the gas firing wall in the technology is continued to use traditional manual control igniting always, manually adjusts the size of flame, and the working condition in the fireplace can not intuitively be observed.In the fireplace igniting, when adjusting flame size, even must squat and operate with hand underground, be time-consuming the effort not only but also damage control element easily, and be to operate with individual's sensation, be difficult to burning is controlled at optimum state, more can't accurately control indoor temperature, fault not had clearly judge.The fireplace that has adopts the ever-burning flame igniting, as long as fireplace must be lighted till fireplace quits work once the start ever-burning flame.This structure is easily because of carbon distribution produces fault, and is both dangerous, wastes combustion gas again.

Formerly the exhaust system in the technology normally adopts the straight-line exhaust system.As the patent No. is the United States Patent (USP) of US4793322, a kind of in line wind system that provides, and it is to adopt double-deck smoke pipe structure, and the interior pipe of double-deck smoke pipe is a discharge flue, and the outer tube of double-deck smoke pipe is the fresh air passage.The exhaust system of this structure it can utilize the heat preheating of distributing in the toxic emission process to enter the interior fresh air of fireplace.Though this structure has reduced certain thermal loss, this structure is subject to the influence of ambient pressure, wind speed and direction because ventilation velocity is little, causes toxic emission not smooth sometimes.Therefore, this gas firing wall with straight-line exhaust system has following defective: the one, in order to strengthen the smoke evacuation dynamics, the diameter of its smoke exhaust pipe must be big, and it is big that the radius at smoke pipe turning is also wanted, and must have the smoke pipe part conduct of vertical length 〉=4m to pull out wind; The 2nd, because smoke evacuation wind speed degree is less, the device of preventing air reverse flow must be arranged then, otherwise, will be subjected to the bigger influence of air pressure, wind speed and direction of extraneous natural wind.Structure as for the straight-line that has is that smoke discharging pipe and fresh wind tube road are the shuntings, this smoke discharging pipe and shunting, fresh wind tube road, and the smoke discharging pipe outside wall temperature is higher, also needs thermal insulation protection.The thermal efficiency can reduce.And, there is not the apartment of flue that this gas firing wall can not be installed, smoke pipe many indoor restrictions that yet are subjected to install of turning.

Formerly in the technology, the igniter of gas firing wall is to adopt the ever-burning flame igniter.It is to utilize flame that two thermocouples survey ever-burning flames to control opening or closing of magnetic valve on two blast tubes on igniting pin and the burner with this, because it is in the course of work of fireplace, just in the whole combustion process of burner, the flame that needs ever-burning flame from start to finish, so, it not only wastes energy (combustion gas), and the detecting element thermocouple is in the flame for a long time, is burnt easily.Therefore, not only energy consumption is big for this ever-burning flame igniter, often change thermocouple, and dangerous (because of the existence of ever-burning flame).

Summary of the invention

The purpose of this utility model is to provide a kind of and have automatic control function, forced-ventilated wind function and autompulse igniting but not the gas firing wall of ever-burning flame igniting in order to overcome defective in the above-mentioned technology formerly.

The utility model to achieve the above object, the technical scheme of being taked is: it comprises: housing, be positioned at the burner hearth of housing, be positioned at the burner of burner hearth, circulating fan, and be connected in the gas control valve door on the gas pipeline on the burner, and place the balanced type forced-ventilated wind system in the burner hearth, place the automatic control system on the housing and place pulse firing ion detection device on the burner.

The remarkable benefit of the utility model gas firing wall.

Because comprise balanced type forced-ventilated wind system, it is to force combustion gas and suck fresh air in the utility model gas firing wall, so the diameter of smoke exhaust pipe can be done lessly, the mounting condition of fireplace is reduced, and can install under various environment.

Because comprise balanced type forced-ventilated wind system in the utility model gas firing wall, forced fume exhaust, the speed of smoke evacuation can be controlled, and can optionally regulate wind speed according to the length that smoke pipe is installed, to reach the best combustion effect.Not influenced by wind speed, wind direction and the blast ground of extraneous natural wind, can prevent pouring in down a chimney of waste gas.

The utility model gas firing wall is because comprise automatic control system, can control the igniting in the fireplace and the burning of burner automatically, overcomes formerly in the technology the manually defective of control fully.

In the burning fireplace of the present utility model, because comprise automatic control system, the temperature in can control room, more accurate ground, the error of control temperature can reach≤and 1 ℃.

In the gas firing wall of the present utility model,, can be connected with display, can directly observe operating mode in the fireplace by display screen because comprise automatic control system.

In the gas firing wall of the present utility model, because comprise the pulse firing ion detection device, it is pulse firing, behind the burner in lighting fireplace, just stops to launch flame.Therefore, overcome formerly the existing drawback of ever-burning flame igniter in the technology.

The pulse firing ion detection device of the utility model gas firing wall is to detect from flame, can automatic control ignition, automatically control detects and can cut off the electricity supply automatically when anomaly appears in the burning of burner, and the magnetic valve on the automatic self-closing gas passage has guaranteed the safe handling of fireplace.

Description of drawings

Fig. 1, Fig. 2 are the contour structures schematic diagrames of the utility model gas firing wall-embodiment; Wherein Fig. 1 is a front view, and Fig. 2 is a vertical view;

Fig. 3 is the A-A face cutaway view of Fig. 1;

Fig. 4 is the B-B face cutaway view of Fig. 2;

Fig. 5 is the working state schematic representation of the utility model balanced type forced-ventilated wind system;

Fig. 6 is the structural representation of the utility model automatic control system-embodiment;

Fig. 7 is the enlarged drawing at D place among Fig. 1;

Fig. 8 is the concrete structure schematic diagram of computer plate-embodiment in the utility model automatic control system;

Fig. 9 is the structural representation of the utility model pulse firing ion detection device-embodiment;

Figure 10 is the central control system structural representation that places control chip-embodiment on the computer plate;

Figure 11 is the flow chart of the utility model-embodiment control system.

The specific embodiment

The architectural feature of the utility model gas firing wall is described further below in conjunction with drawings and Examples.

Fig. 1, the 2nd, the schematic appearance of the utility model gas firing wall-embodiment.As shown in Figure 1, 2, gas firing wall comprises housing 01, is positioned at the burner hearth 02 of housing 01, is positioned at the control panel 03 on the housing 01.

Fig. 3, Fig. 4 are respectively the A-A face cutaway view of Fig. 1 and the B-B face cutaway view of Fig. 2.As shown in Figure 3, Figure 4, the utility model gas firing wall comprises: place the burner 9 in the burner hearth 02, be connected in the gas control valve door 11 on the gas pipeline of burner 9, place the control system 10 on the housing 01, place the pulse firing ion detection device 13 on the burner 9 and place balanced type forced-ventilated wind system in the burner hearth 02.Described balanced type forced-ventilated wind system comprises: the exhaust fume collecting hood 6 that places burner 8 tops, place the Forced discharge fan 1 on exhaust fume collecting hood 6 sides, place the smoke exhaust pipe 2 on Forced discharge fan 1 exhaust opening, place the smoke evacuation air intake changeover panel 3 on smoke exhaust pipe 2 outlet flues, the double-deck smoke pipe 4 that pipe is connected with smoke exhaust pipe 2 in placing on the smoke evacuation air intake changeover panel 3, the new wind distribution bin 5 that communicates with double-deck smoke pipe 4 outer tubes, the fresh wind tube road 7 that one end and new wind distribution bin 5 are connected is connected in new wind on fresh wind tube road 7 other ends and that export facing to burner 9 and exports 8.Burner hearth 02 is built-in with the circulating fan (not shown) and is used for heat exchange.

The new wind distribution bin 5 that described and double-deck smoke pipe 4 outer tubes communicate places the top of burner hearth 02, and the live gas in the distribution bin absorbs the heat of roof of the furnace so on the one hand, carries out heat exchange, improves the thermal efficiency; Reduce the temperature of furnace roof on the other hand, saved heat insulation filler etc., guaranteed the safety of fireplace.

Fig. 5 is promptly discharge fume a circulation schematic diagram with new wind of Fig. 3, Fig. 4 the utility model balanced type forced-ventilated wind system duty.As shown in Figure 5, when burner 9 burning gases, the waste gas that is produced is positioned at the exhaust fume collecting hood 6 of burner 9 tops to be collected, and by placing exhaust fume collecting hood 6 other Forced discharge fans 1 to pass through smoke exhaust pipe, the interior pipe of smoke evacuation air intake changeover panel 3 and double-deck smoke pipe 4 forces to be discharged from burner hearth; After this moment, burner hearth 02 interior waste gas was discharged from, form negative pressure in the burner hearth, the fresh air of outside enters in the new wind distribution bin 5 with smoke evacuation air intake changeover panel 3 by the outer tube of double-deck smoke pipe 4, the fresh air that enters in the new wind distribution bin 5 exports on 8 combustion flames that blow on the burner by fresh wind tube road 7 and new wind, plays combustion-supporting effect.So far, the waste gas in the burner hearth constantly is forced to discharge, and the fresh air of outside constantly covers in the burner hearth thereupon, causes the inside and outside air pressure of burner hearth to reach balance.In the present embodiment, the top of double-deck smoke pipe 4 (on the air inlet) is equipped with the cigarette cap 12 that fly net is contained in inside, brought in the smoke pipe with the foreign material, insect and the dust in air that prevent the outside.As shown in Figure 5.

Fig. 6 is the structural representation of automatic control system-embodiment of the present utility model.As shown in Figure 6, automatic control system of the present utility model comprises the computer plate 103 that contains control chip 1031, be connected in the display 101 on the computer plate 103, hygrosensor 102 and control panel 104, be connected in Forced discharge fan 1, pulse firing ion detection device 13 and circulating fan 14 in the balanced type forced-ventilated wind system on the control panel 104, and the remote controller 105 that links with computer plate 103.Show that as Fig. 6 computer plate 103 is promptly controlled the work of balanced type forced-ventilated wind system by the running of control panel 104 control Forced discharge fans 1; Computer plate 103 is promptly controlled the heat exchange operation of fireplace by the running of control panel 104 control circulating fans 14; Computer plate 103 is promptly controlled the burning of the burner in the fireplace by control panel 104 control impuls igniting ion detection device 13.And all control all can achieve the goal by remote controller.

Fig. 7 is the enlarged drawing at the D place of Fig. 1, is the structural representation of the utility model control panel 03-embodiment.As shown in Figure 7, place the control panel 03 on the housing 01, after amplifying as shown in Figure 7, comprise on the control panel 03: start flicker mark 031, timing cue mark 032, blower fan wind speed show tags 033, be divided into high, medium and low third gear, machine open/close mark 034, design temperature mark 035, homing light 036 and button 037.

Fig. 8 is the structural representation of computer plate 103-embodiment among Fig. 6.As shown in Figure 8, computer plate 103 comprises control chip 1031 in the present embodiment, be connected in the driving chip 1033 on the control chip 1031, remote controller receives 1034, the relay group 1035 and the display driver chip 1036 that connect control panel, be connected to the buzzer 1037 and the button connecting key 1038 that drive on the chip 1033, be connected in the power supply 1032 on the control chip 1031.In the present embodiment, its control chip 1031 is cpu chip (or claiming the central processing unit chip).

Fig. 9 is the structural representation of the utility model pulse firing ion detection device 13-embodiment, as shown in Figure 9, pulse firing ion detection device 13 of the present utility model comprises the igniting pin 131 that places on the burner 9, with the pin 131 detection pin 132 of parallel storing side by side of lighting a fire, the controller 133 that is connected with control panel 104, place the high-voltage ignition module 1331 that is connected with igniting pin 131 in the controller 133, place in the controller 133 and detect the ion detection modules 1332 that pin 131 is connected, place in the controller 133 and gas control valve door (or title magnetic valve) the 11 valve control modules 1333 that are connected with ion detection module 1332.

Figure 10 is that the utility model places the central control system (software) in the control chip 1031, it comprises MIM message input module 0031, respectively with MIM message input module 0031 joining information processing distribution module 0032 and tracking and monitoring information module 0033, with information processing distribution module 0032 and tracking and monitoring information module 0033 joining control information sending module 0034.

Described MIM message input module 0031 is used to receive the button inputted ON/OFF signal by on remote controller or the control panel, the setting of temperature range, the setting of blower fan wind speed, the setting of running time and monitor signal etc., and the information that receives imported in the information processing distribution module 0032;

Described information processing distribution module 0032 is used for the information that MIM message input module 0031 imports into is handled, promptly earlier convert analog information to data signal, change analog signal again into through after converting, the information at the difference control position that is assigned to according to different analog signals is input in the control information sending module 0032; Such as, after the on/off button of pressing down button on remote controller or the control panel, after MIM message input module 0031 receives the signal of start, this signal is imported in the information processing distribution module 0032; After information processing distribution module 0032 receives this information, the analog signal conversion of this start is become data signal, be converted into voltage signal (analog signal) according to this data signal, according to the program of gas firing wall operation, this voltage signal should be distributed on the Forced discharge fan.Because fireplace is when bringing into operation, at first need the waste gas that is retained in the burner hearth is got rid of totally, prevent to cause the blast of burner.So behind this voltage signal input control information sending module 0034, control information sending module 0034 is sent to this signal on the Forced discharge fan by control panel, at first starts Forced discharge fan and scavenges;

Described control signal sending module 0034 is used to send the information that information processing distribution module 0032 is carried, and is responsible for this control information and the control position notice tracking and monitoring information module 0033 that is sent to and sends on the display so that show operating mode in the fireplace in real time;

Described tracking and monitoring information module 0033 is used for tracking and monitoring from control information and control position that control information sending module 0034 is informed; And with detecting information conveyance in the MIM message input module 0031; For example, when receiving control information sending module 0034 notice igniting pin when having stopped launching firing pulse, tracking and monitoring information module 0033 is collected the information that detects burner flame by control panel to detecting pin, be to detect the signal that is with or without flame all this information conveyance to be arrived in the MIM message input module 0031, MIM message input module imports this information into the information processing distribution module again; The information processing distribution module is to detect when not having the flare signal when what receive, and it is undesired illustrate that burner moves, and the information processing distribution module is sent the signal of closing the gas control valve door to the control information sending module, makes the burner burn-out.Because need the burning of burn-out device this moment, checking in the fireplace that operation conditions is whether normal or rekindle the igniting pin continues to launch firing pulse again.

Figure 11 is the control flow chart of the utility model automatic control system-embodiment.Place the structure of the central control system in the control chip as above-mentioned (Figure 10), its concrete control flow is: as shown in figure 11

In the 1st step 201, beginning-start: press the on/off button on remote controller or the control panel, the starting automatic control system places the central control system (software) in the computer plate inner control chip, sends the information that fireplace brings into operation;

The 2nd step 202, the input actuate message: the MIM message input module in the central control system imports this actuate message into the information processing distribution module, after the information processing distribution module is received this actuate message, enter the working procedure of fireplace, at first start Forced discharge fan and get rid of the interior waste gas of burner hearth, because behind the combustion gas,, play safety effect to prevent the detonation of burner.It is the information processing distribution module is carried signal (voltage signal) from the starting Forced discharge fan to the control information sending module, the control information sending module sends to this initiating signal on the Forced discharge fan by control panel, the Forced discharge fan entry into service, the control information sending module also sends to this information in the tracking and monitoring information module simultaneously;

In the 3rd step 203, whether the monitoring Forced discharge fan started for 5 seconds: after the tracking and monitoring information module of central control system received the information of starting Forced discharge fan, whether the tracking and monitoring Forced discharge fan starts or worked reached for 5 seconds.Because generally, after the work of Forced discharge fan reached for 5 seconds, left waste gas was excluded substantially in the burner hearth, at this moment can start the igniting pin on the burner, with the emission firing pulse;

The 4th step 204, the starting ignition pin, and open the gas control valve door: when the tracking and monitoring module monitors in the central control system worked to Forced discharge fan reached for 5 seconds after, this information via MIM message input module is transported in the information processing distribution module, after the information processing distribution module is received this information, according to working procedure, next step should start the igniting pin on the burner, ignition combustion device.Therefore the information processing distribution module sends the information that starting ignition pin transmitted pulse is lighted a fire and opened the gas control valve door to the control information sending module, this information is sent on the controller in the pulse firing ion detection device by control panel, placing the interior valve control module of controller to open the gas control valve door enters in igniting pin and the burner combustion gas simultaneously, and the high-voltage pulse ignition module is launched high-voltage pulse signal to the igniting pin simultaneously, make the igniting pin on burner, launch firing pulse, the ignition combustion device;

The 5th step 205, whether monitors ignition pin emission firing pulse reached for 10 seconds: the tracking and monitoring signaling module is followed the tracks of detection igniting pin emission firing pulse and whether was reached for 10 seconds, because generally, launch firing pulse 10 clocks continuously after, the combustion gas on the burner is just lighted;

The 6th step 206, the pin that stops to light a fire emission firing pulse: the tracking and monitoring information module of central control system monitors igniting pin emission firing pulse and reached for 10 seconds, this moment, burner should be lighted, the tracking and monitoring information module is input into the information processing distribution module with this information by MIM message input module, the information processing distribution module is according to working procedure, the pin that stops to light a fire emission firing pulse, so information processing distribution module notice control information sending module sends information, this information by control panel to placing high-voltage pulse ignition module on the pulse firing ion detection device internal controller to stop to igniting pin emission high tension ignition pulse, make the igniting pin stop to launch firing pulse, and with in this information input tracking and monitoring information module;

The 7th step 207, whether the monitoring burner is lighted: after the tracking and monitoring information module receives igniting pin stopped launching firing pulse, it by control panel to placing the ion detection module on the controller to collect the combustion information (burning flare) of burner to detecting pin, after if the tracking and monitoring information module monitors the burning flare, illustrate that burner is lighted, pin has stopped launching firing pulse because light a fire this moment, this moment, detected flare must be the flare (being commonly referred to this kind detection for detecting from flame) that burner sends, after burner is lighted, carry out next step; Do not detect flare if detect pin, illustrate that burner is not lighted, need reset the pulse firing ion detection device again, promptly repeat above-mentioned the 4th step;

The 8th step 208, the start cycles blower fan, begin to carry out heat exchange: when central control system tracking and monitoring information module receives after the detection pin that is transmitted by control panel detects the information of flare, this information is transported to the information processing distribution module by MIM message input module, the information processing distribution module is according to working procedure, after burner is lighted, produced heat, need the start cycles blower fan to carry out heat exchange, so the signal that sends the start cycles blower fan (generally, be voltage signal), the control information sending module is delivered to this signal on the circulating fan by control panel, circulating fan is started, and (in the present embodiment, the wind speed of circulating fan is divided into height, in, low third gear is adjustable);

The 9th step 209, design temperature scope or running time: by the button settings temperature range on remote controller or the control panel or set running time, in the present embodiment, the scope of temperature is 16 ℃-35 ℃, behind this information setting, be transported in the central control system at once;

The 10th step 2010, the operation conditions of monitoring burner: after above-mentioned steps all finishes, the tracking and monitoring information module begins regularly, or connect, or at any time (time) on demand by control panel to placing the ion detection module in the pulse firing ion detection device internal controller to detect the flame status that burner is launched from detecting pin, do not detect flame if detect pin, the burning that burner is described is undesired, should close the gas control valve door this moment, stop air feed, check the situation of complete machine, and then restart, reset, promptly carry out above-mentioned the 2nd step 202; Detect flame if detect pin, illustrate that the burner operation is normal, then carry out next step;

The 11st step 2011 monitor temperatures or running time: central control system is by being connected in the hygrosensor detected temperatures (indoor) on the computer plate, or (in the present embodiment by clock, be divided into clock and minute) the metering time, if also do not reach the temperature of setting or the time of setting, burner continues operation; If the temperature of measuring has reached the temperature of setting,, or arrived time of setting, then carry out next step;

The 12nd step 2012, close the gas control valve door, suspend the work of burner: if the temperature of measuring has reached the temperature that sets, perhaps arrived the time of setting running time, then closed the gas control valve door, made the burner break-off;

The 13rd step 2013, when temperature is reduced to when being lower than design temperature, or when being lower than 3 ℃ of design temperatures, restart the work of burner: the tracking and monitoring information module in the central control system constantly detects indoor temperature by hygrosensor, when detected temperature is lower than the temperature of setting, in the present embodiment, when detecting room temperature and be lower than 3 ℃ of design temperatures, need restart the work of burner, promptly repeat above-mentioned the 4th step 204.

Aforesaid flow process, when on/off button one is pressed, design temperature or setting-up time information-import in the central control system, fireplace (complete machine) promptly can automatically move.So gas firing wall of the present utility model is easy and simple to handle, and is safe and reliable to operation.

Claims

1. gas firing wall, it comprises: housing, be positioned at the burner hearth of housing, be positioned at the burner of burner hearth, circulating fan, and be connected in the gas control valve door on the gas pipeline on the burner, and it is characterized in that comprising the balanced type forced-ventilated wind system that places in the burner hearth, place the automatic control system on the housing and place pulse firing ion detection device on the burner.

2. gas firing wall according to claim 1, it is characterized in that described balanced type forced-ventilated wind system comprises: the exhaust fume collecting hood that places the burner top, place the other Forced discharge fan of exhaust fume collecting hood, place the smoke exhaust pipe on the Forced discharge fan exhaust outlet, place the smoke evacuation air intake changeover panel on the smoke exhaust pipe outlet flue, the double-deck smoke pipe that pipe is connected with smoke exhaust pipe in placing on the smoke evacuation air intake changeover panel, the new wind distribution bin that communicates with double-deck smoke pipe outer tube, the fresh wind tube road that one end and new wind distribution bin are connected is connected in the new wind fresh wind tube road other end and that export facing to burner and exports.

3. gas firing wall according to claim 2 is characterized in that new wind distribution bin that described and double-deck smoke pipe outer tube communicates places the top of burner hearth.

4. gas firing wall according to claim 2 is characterized in that being equipped with the cigarette cap that fly net is contained in inside on the air inlet of double-deck smoke pipe.

5. gas firing wall according to claim 1, it is characterized in that described automatic control system comprises the computer plate that contains control chip, be connected in the display on the computer plate, hygrosensor and and circulating fan, the control panel that balanced type forced-ventilated wind system is connected with the pulse firing ion detection device.

6. gas firing wall according to claim 5 is characterized in that automatic control system also comprises the remote controller with computer plate UNICOM.

7. gas firing wall according to claim 5 is characterized in that automatic control system comprises the central control system that places in the control chip.

8. gas firing wall according to claim 7, it is characterized in that central control system comprises MIM message input module, respectively with joining information processing distribution module of MIM message input module and tracking and monitoring information module, with information processing distribution module and the joining control information sending module of tracking and monitoring information module.

9. gas firing wall according to claim 1 or 5, it is characterized in that described pulse firing ion detection device comprises: place the igniting pin on the burner, with the pin detection pin of parallel storing side by side of lighting a fire, the controller that is connected with control panel, place the high-voltage pulse ignition module that is connected with the igniting pin in the controller, place the ion detection module that is connected with the high-voltage pulse ignition module with the detection pin in the controller and place the interior valve control module that is connected with the ion detection module with the gas control valve door of controller.