CN114263971A - Glass tube heating furnace and control method thereof - Google Patents

Abstract

The application relates to the field of heating equipment, in particular to a glass tube heating furnace and a control method thereof, wherein the glass tube heating furnace comprises a shell, and a glass tube and an ignition assembly which are arranged in the shell; a gas storage tank for storing gas is arranged in the shell; the gas storage tank is connected with a combustion assembly, and the combustion assembly is positioned on one side of the bottom end of the glass tube; the ignition assembly is positioned between the combustion assembly and the bottom end of the glass tube; the glass tube heating furnace also comprises a first control module, a second control module and a third control module; the first control module is arranged on the air storage tank and used for opening and closing the air storage tank; the second control module is used for starting and stopping the ignition assembly; the third control module is used for opening and closing the combustion assembly; the first control module is in communication connection with the second control module and is synchronously opened and closed. This application has the effect that improves the security of glass pipe heating stove.

Description

Glass tube heating furnace and control method thereof

Technical Field

The application relates to the field of heating equipment, in particular to a glass tube heating furnace and a control method thereof.

Background

At present, the heating problem in winter is very important for northern indoor, so that heating equipment is necessary, and people usually need to use a heating furnace to achieve the heating effect in an indoor environment with heating.

The glass tube heating furnace comprises a main body and a glass tube arranged in the main body, wherein a gas device is arranged inside the glass tube, the gas device is used for heating in the glass tube in a combustion mode, the heat dissipation area of the glass tube is partially prolonged, and meanwhile the safety of indoor heating can be guaranteed.

In view of the above related technologies, the inventor believes that, when a gas appliance is started, combustible gas needs to be released for combustion after ignition, when a user starts a heating furnace, ignition failure is likely to occur, and when ignition fails, combustible gas is still released, repeated ignition failure easily causes accumulation of combustible gas in a glass tube, and if subsequent ignition succeeds, a deflagration phenomenon is likely to occur, so that safety of using the heating furnace is reduced.

Disclosure of Invention

In order to improve the safety of the glass tube heating furnace, the application provides the glass tube heating furnace and the control method thereof.

In a first aspect, the application provides a glass tube heating furnace, which adopts the following technical scheme:

a glass tube heating furnace comprises a shell, a glass tube and an ignition assembly, wherein the glass tube and the ignition assembly are arranged in the shell; a gas storage tank for storing gas is arranged in the shell; the gas storage tank is connected with a combustion assembly, and the combustion assembly is positioned on one side of the bottom end of the glass tube;

the ignition assembly is positioned between the combustion assembly and the bottom end of the glass tube; the glass tube heating furnace also comprises a first control module, a second control module and a third control module;

the first control module is arranged on the air storage tank and used for opening and closing the air storage tank;

the second control module is used for starting and stopping the ignition assembly;

the third control module is used for opening and closing the combustion assembly;

the first control module is in communication connection with the second control module and is synchronously opened and closed.

By adopting the technical scheme, when the glass tube heating furnace is in a use state, the combustion assembly starts to operate, heat is conveyed into the glass tube, the heat is completely dispersed to the area where the heating furnace is located through the glass tube, before the heating furnace is started, a user needs to start the gas storage tank through the first control module, at the moment, the second control module and the first control module are synchronously started, and the ignition assembly is in an ignition state; then the user needs to open the combustion assembly through the third control module, the combustion assembly starts to release gas in the gas storage tank, the released gas reacts with spark ignited by the ignition assembly to immediately start to use the heating furnace, and the user does not need to strike fire many times, so that unnecessary gas consumed in the ignition process is reduced.

Optionally, a bypass pipe is connected to the gas storage tank, and one end of the bypass pipe, which is far away from the gas storage tank, is connected to the ignition assembly; the second control module comprises a pipeline control valve arranged on the side branch pipe and an electronic button electrically connected with the ignition assembly; the input ends of the pipeline control valve and the electronic button are connected with the output end of the first control module.

By adopting the technical scheme, the gas storage tank is provided with the side branch pipe for supplying gas for ignition of the igniter, the pipeline control valve is arranged for opening and closing the side branch pipe, when the heating furnace is opened, the first control module, the pipeline control valve and the electronic button are synchronously started, and the ignition assembly burns the gas supplied in the side branch pipe to realize the ignition action.

Optionally, the combustion assembly comprises an air supply pipe connected to the air storage tank and a mounting base arranged at one end of the air supply pipe, which is far away from the air storage tank; a combustion chamber is concavely arranged on one side of the mounting base, which is far away from the air supply pipe, and the combustion chamber is provided with a combustor communicated with the air supply pipe; the ignition assembly is located between the mounting base and the bottom end of the glass tube.

Through adopting above-mentioned technical scheme, by the air supply pipe to the combustor supply burning raw materials, the combustor is installed in the combustion chamber, and when the user opened combustion assembly through third control module, burning raw materials gathers in the combustion chamber, and the spark that the cooperation subassembly of igniting produced realizes the burning, can reduce the heat loss that unnecessary burning raw materials and burning produced through the combustion chamber.

Optionally, a ceramic plate is arranged on the mounting base, and a plurality of air outlets are formed in the ceramic plate in a penetrating manner; the ceramic plate is capable of closing an opening of the combustion chamber.

By adopting the technical scheme, the ceramic plate can prolong the service life due to the high-temperature resistant material property; the opening of the combustion cavity is closed by the ceramic plate, so that unnecessary consumption of combustion raw materials can be reduced, and the combustion raw materials (fuel gas) can be conveniently released from the combustion cavity in a centralized manner and then are matched with the ignition assembly for reaction by arranging the plurality of air outlets; secondly because the diameter of venthole is less than the internal diameter of burning the chamber, remove to the venthole that the diameter is less when the gas by the burning chamber in great space, the energy of gas can the grow to improve the combustion efficiency who burns the raw materials.

Optionally, the ignition assembly comprises an air outlet pipe connected to one end of the side branch pipe far away from the air storage tank, a spray head mounted at one end of the air outlet pipe far away from the side branch pipe, and an electronic igniter arranged on one side of the air outlet pipe; the inner diameter of the air outlet pipe is smaller than that of the side branch pipe; the control end of the electronic lighter is in communication connection with the electronic button; one end of the gas outlet pipe, which is far away from the side branch pipe, is positioned on one side of the ceramic plate, which is far away from the burner.

By adopting the technical scheme, the electronic lighter is started and stopped by the electronic button, and the electric spark discharged by the electronic lighter ignites the fuel gas discharged from the nozzle; thereby realizing the ignition action of the ignition assembly; moreover, because the internal diameter of outlet duct is less than the internal diameter of other branch pipe, through diminishing gradually of gas delivery route, realize the energy grow of gas to improve the combustion efficiency who burns the raw materials.

Optionally, a closing cover is arranged on an end face of one end of the glass tube, which is far away from the ignition assembly, and the diameter of the outer edge of the closing cover is larger than that of the outer edge of the glass tube; one side of the closed cover close to the glass tube and the shell are connected with a protective mesh enclosure.

By adopting the technical scheme, the closed cover can reduce unnecessary heat loss in the glass tube; the protective net cover is arranged, so that the possibility that a user touches the high-temperature glass tube by mistake can be reduced, and the safety of the user when the heating furnace is used is improved.

Optionally, the closing lid runs through and has seted up the hole of disappointing, the closing is covered to install and is opened and close the automatically controlled valve in hole of disappointing, automatically controlled valve communication connection has the controller, the controller communication connection has the detection piece, the detection piece install in the glass intraduct, the detection piece is used for detecting the inside gas concentration of glass pipe.

By adopting the technical scheme, the concentration of the fuel gas is less than that of the air, so that the fuel gas is easy to gather at the top of the glass tube after unnecessary fuel gas leaks; the gas concentration in the glass tube is detected in real time through the detection piece and fed back to the controller, the gas concentration in the glass tube at present is judged in the controller, if the gas concentration in the glass tube exceeds the threshold value concentration, the controller sends a valve opening instruction to the electric control valve, and the electric control valve is opened, so that the opening of the gas leakage hole is realized, a small amount of gas gathered in the glass tube is discharged, and the possibility of deflagration generation in the glass tube is reduced.

Optionally, a temperature sensor is installed in the glass tube, a signal output end of the temperature sensor is connected with the controller, and the controller is in communication connection with the third control module.

By adopting the technical scheme, after the heating furnace starts to be used, the temperature sensor monitors the real-time temperature of the glass tube and feeds the real-time temperature back to the controller, after the temperature of the glass tube exceeds the threshold temperature, the controller sends a turn-down instruction to the third control module, and the third control module reduces and adjusts the firepower of the current combustion assembly according to the turn-down instruction, so that the high-temperature protection of the glass tube is realized, and the service life of the glass tube is prolonged.

In a second aspect, the application provides a control method of a glass tube heating furnace, which adopts the following technical scheme:

a control method suitable for the glass tube heating furnace comprises the following steps:

pre-starting: receiving a firing instruction;

the first control module starts the gas storage tank according to the firing instruction;

the second control module starts an electronic button and a pipeline control valve according to the firing instruction;

and (4) normal operation: receiving a combustion instruction;

the third control module starts the combustor according to the combustion instruction.

By adopting the technical scheme, before the heating furnace is started, a user needs to start the gas storage tank through the first control module, at the moment, the first control module, the pipeline control valve and the electronic button are synchronously started, and the ignition component burns gas supplied in the bypass branch pipe to realize ignition action; then the user needs to open the combustion assembly through the third control module, the combustion assembly starts to release gas in the gas storage tank, the released gas reacts with spark ignited by the ignition assembly to immediately start to use the heating furnace, and the user does not need to strike fire many times, so that unnecessary gas consumed in the ignition process is reduced.

Optionally, before the step of pre-starting, the following steps are further included:

safety detection: presetting a safe gas concentration threshold range;

acquiring real-time gas concentration;

comparing the real-time gas concentration with the safe gas concentration threshold range;

if the real-time gas concentration is within the safe gas concentration threshold range, repeatedly acquiring the real-time gas concentration; if the real-time gas concentration is not within the safe gas concentration threshold range, executing emergency adjustment;

emergency adjustment: and sending a valve opening command to the electric control valve.

Through adopting above-mentioned technical scheme, the gas concentration of detecting part in to the glass pipe carries out real-time detection and feeds back to the controller, judges the gas concentration in the glass pipe at present in the controller, if the gas concentration in the glass pipe exceeds threshold value concentration, the controller then sends the valve opening instruction to the automatically controlled valve, and the automatically controlled valve is opened to realize opening of disappointing hole, thereby carry out a small amount of emissions with the gas of gathering in the glass pipe, thereby reduce the intraductal possibility that produces the detonation of glass.

In summary, the present application includes at least one of the following beneficial technical effects:

the second control module and the first control module are synchronously started, and the ignition assembly is in an ignition state; then, a user needs to start the combustion assembly through the third control module, the combustion assembly starts to release gas in the gas storage tank, the released gas reacts with spark ignited by the ignition assembly, the heating furnace can be immediately started to use, and the user does not need to strike fire for many times;

if the concentration of the fuel gas in the glass tube exceeds the threshold concentration, the controller sends a valve opening instruction to the electric control valve, and the electric control valve is opened, so that the opening of the air leakage hole is realized, the fuel gas gathered in the glass tube is discharged in a small amount, and the possibility of explosion in the glass tube is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of a glass tube heating furnace in the present application;

fig. 2 is a schematic view of the internal structure of a glass tube heating furnace according to the present application;

FIG. 3 is a schematic view of the mounting arrangement of the ignition and combustion assemblies of the present application;

FIG. 4 is a control schematic block diagram of a first control module and a second control module;

FIG. 5 is an enlarged schematic view of portion A of FIG. 2;

FIG. 6 is a control schematic block diagram of a third control module and controller;

fig. 7 is a flow chart of the steps of a control method of the glass tube heating furnace of the present application.

Description of reference numerals: 1. a housing; 11. an ignition port; 12. a gas storage tank; 2. a glass tube; 13. a placement port; 14. sealing the door; 15. a first control module; 3. closing the cover; 31. an air release hole; 32. an electrically controlled valve; 33. a detection member; 34. a controller; 35. a temperature sensor; 4. a protective mesh enclosure; 5. an ignition assembly; 51. a bypass pipe; 52. a second control module; 521. a pipeline control valve; 522. an electronic button; 53. an air outlet pipe; 54. a spray head; 55. an electronic lighter; 6. a combustion assembly; 61. a third control module; 63. a gas supply pipe; 64. installing a base; 65. a burner; 66. a ceramic plate; 67. and an air outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-7 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The embodiment of the application discloses a glass tube heating furnace.

Referring to fig. 1 and 2, the glass tube heating furnace includes a housing 1, a glass tube 2, a closing cap 3 and a protective mesh 4; wherein, the end surface of the top end of the shell 1 is provided with an ignition port 11 in a penetrating way; the bottom end of the glass end is communicated with the ignition port 11, and the top end is communicated with the closing cover 3; the diameter of the outer edge of the closing cover 3 is larger than that of the outer edge of the glass tube 2; the protective net cover 4 is sleeved outside the glass tube 2, the bottom end of the protective net cover is connected to the end face of the top end of the shell 1 through bolts, and the top end of the protective net cover is connected with the lower surface of the closing cover 3 through bolts.

The glass tube heating furnace also comprises an ignition assembly 5, an air storage tank 12 and a combustion assembly 6 which are arranged inside the shell 1; the gas storage tank 12 is placed in the shell 1, a placing opening 13 convenient for placing the gas storage tank 12 is formed in the outer edge side of the shell 1, and a sealing door 14 capable of opening and closing the placing opening 13 is hinged to the outer wall of the shell 1; the first control module 15 is installed on the air storage tank 12, and the first control module 15 can open and close a main valve of the air storage tank 12.

Referring to fig. 2 and 3, a bypass pipe 51 is connected to the air tank 12, the other end of the bypass pipe 51 is connected to the ignition module 5, and the ignition module 5 is mounted on the inner wall of the housing 1 at the outer edge of the ignition port 11; the ignition assembly 5 is communicatively connected with a second control module 52; the second control module 52 is capable of turning the ignition assembly 5 on and off;

the combustion assembly 6 is arranged right below the ignition port 11 and is in communication connection with a third control module 61; the third control module 61 is capable of opening and closing the combustion assembly 6.

The first control module 15 and the second control module 52 can be in communication connection with each other and can be synchronously opened and closed; the ignition assembly 5 is in an ignition state when started synchronously with the first control module 15 by the second control module 52; then, the user needs to start the combustion assembly 6 through the third control module 61, the combustion assembly 6 starts to release the gas in the gas storage tank 12, the released gas reacts with the spark from the ignition assembly 5, and the user can immediately start to use the heating furnace without striking sparks for many times, so that unnecessary waste of the gas is reduced.

Referring to fig. 2 and 4, as one embodiment of the second control module 52, the second control module 52 includes a line control valve 521 and an electronic button 522; the pipeline control valve 521 is arranged on the bypass pipe 51 and used for controlling the opening and closing of the bypass pipe 51; the inputs of the line control valve 521 and the e-button 522 are both connected to the output of the first control module 15.

Referring to fig. 4 and 5, the ignition module 5 includes an outlet pipe 53 and a nozzle 54 sequentially connected to one end of the bypass pipe 51 away from the air tank 12; the inner diameter of the air outlet pipe 53 is smaller than that of the side branch pipe 51; an electronic lighter 55 is arranged on one side of the air outlet pipe 53, the control end of the electronic lighter 55 is in communication connection with the signal output end of the electronic button 522, and the electric spark output end is positioned on one side of the spray head 54 far away from the air outlet pipe 53; the electronic button 522 is used to open and close the electronic igniter 55.

Based on the structure, when the heating furnace is started, the first control module 15, the pipeline control valve 521 and the electronic button 522 are synchronously started, and the ignition assembly 5 burns gas supplied in the bypass pipe 51 to realize the ignition action.

Referring to fig. 2 and the drawings, the combustion assembly 6 includes a gas supply pipe 63, a mounting base 64, and a burner 65; a three-way valve is arranged on the gas storage tank 12, one connector of the three-way valve is connected with the side branch pipe 51, and the other connector of the three-way valve is connected with one end of the gas supply pipe 63; one end of the air supply pipe 63 far away from the three-way valve penetrates through the mounting base 64 and is connected with the burner 65; a combustion chamber is arranged on one side of the mounting base 64 far away from the gas supply pipe 63; an end of the burner 65 remote from the gas supply pipe 63 is located within the combustion chamber.

A ceramic plate 66 capable of closing the opening of the combustion cavity is clamped on the mounting base 64, and a plurality of air outlets 67 are formed in the ceramic plate 66 in a penetrating manner; the electric lighter 55 and the spray head 54 are both located between the ceramic plate 66 and the ignition port 11.

Referring to fig. 2 and 6, as an embodiment of the third control module 61, the third control module 61 is a manual knob mounted on an outer wall of the housing 1; the manual knob can control the on/off of the burner 65 and the fire of the burner 65.

Based on above-mentioned structure, by the air supply pipe 63 to the raw materials of burning of combustor 65 supply, combustor 65 is installed in the combustion chamber, and when the user opened combustion assembly 6 through third control module 61, the raw materials of burning gathers in the combustion chamber, and the spark that cooperation ignition assembly 5 produced realizes the burning, can reduce the unnecessary raw materials of burning and the calorific loss that the burning produced through the combustion chamber.

Referring to fig. 1 and 6, the closing cover 3 has run through and has seted up the snuffle hole 31, install the electric control valve 32 that can open and close the snuffle hole 31 on the closing cover 3, the control end communication of electric control valve 32 is connected with controller 34, the first signal input part communication of controller 34 is connected with detection piece 33, detection piece 33 is installed inside glass pipe 2, detection piece 33 is used for detecting the inside gas concentration of glass pipe 2, detection piece 33 can be any electronic sensor that has the gas concentration detection function in this embodiment, for example, the gas alarm.

The top in the glass tube 2 is provided with a temperature sensor 35, the signal output end of the temperature sensor 35 is in communication connection with the second signal input end of the controller 34, and the signal output end of the controller 34 is in communication connection with the third control module 61.

Based on the structure, after the heating furnace starts to be used, the temperature sensor 35 monitors the real-time temperature of the glass tube 2 and feeds the real-time temperature back to the controller 34, when the temperature of the glass tube 2 exceeds the threshold temperature, the controller 34 sends a turn-down instruction to the third control module 61, and the third control module 61 reduces and adjusts the fire power of the current combustion assembly 6 according to the turn-down instruction, so that the high-temperature protection of the glass tube 2 is realized, and the service life of the glass tube 2 is prolonged.

The embodiment of the application also discloses a control method of the glass tube heating furnace.

Referring to fig. 1 to 7, a method for controlling a glass tube heating furnace includes the steps of:

s100: and (6) safety detection.

Specifically, step S100 specifically includes the following steps:

s110: presetting a safe gas concentration threshold range;

for example, the manufacturer may set the safe gas concentration threshold range within the controller 34 according to the size of the glass tube 2.

S120: acquiring real-time gas concentration;

specifically, the real-time gas concentration in the glass tube 2 is detected by the detector 33 and fed back to the controller 34.

S130: comparing the real-time gas concentration with the safe gas concentration threshold range;

if the real-time gas concentration is within the safe gas concentration threshold range, repeating the step S120;

if the real-time gas concentration is not within the safe gas concentration threshold range, step S140 is executed.

S140: and (5) emergency adjustment.

S141: the controller 34 sends an open valve command to the electronically controlled valve 32.

Specifically, the electric control valve 32 opens the gas release hole 31 according to the valve opening instruction until the real-time gas concentration in the glass tube 2 is within the safe gas concentration threshold range; the electronic control valve 32 returns to the initial closed state; in order to avoid unnecessary heat loss in the glass tube 2.

S200: and (4) pre-starting.

Specifically, step S200 includes the steps of:

s210: receiving a firing instruction;

the first control module 15 starts the gas storage tank 12 according to the firing instruction;

the second control module 52 opens the e-button 522 and the line control valve 521 based on firing instructions.

S300: and (5) normally running.

Specifically, step S300 includes the steps of:

s310: receiving a combustion instruction;

the third control module 61 turns on the burner 65 based on the combustion command.

The present application further provides a computer readable storage medium storing a program that when loaded and executed by a processor performs the steps described above.

The computer-readable storage medium includes, for example: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

Based on the same inventive concept, embodiments of the present application provide a computer apparatus, which includes a memory and a processor, where the memory stores a computer program that can be loaded by the processor and execute the control method.

It can be clearly understood by those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the foregoing function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above-described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: u disk, removable hard disk, read only memory, random access memory, magnetic or optical disk, etc. for storing program codes.

The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims (10)

1. A glass tube heating furnace comprises a shell (1), a glass tube (2) and an ignition assembly (5) which are arranged in the shell (1); a gas storage tank (12) for storing gas is arranged in the shell (1); the gas storage tank (12) is connected with a combustion assembly (6), and the combustion assembly (6) is positioned on one side of the bottom end of the glass tube (2); the method is characterized in that:

the ignition assembly (5) is positioned between the combustion assembly (6) and the bottom end of the glass tube (2); the glass tube heating furnace further comprises a first control module (15), a second control module (52) and a third control module (61);

the first control module (15) is arranged on the air storage tank (12) and used for opening and closing the air storage tank (12);

the second control module (52) is used for starting and stopping the ignition assembly (5);

the third control module (61) is used for opening and closing the combustion assembly (6);

the first control module (15) is in communication connection with the second control module (52) and is synchronously opened and closed.

2. A glass tube heating furnace according to claim 1, characterized in that: a bypass pipe (51) is connected to the air storage tank (12), and one end, far away from the air storage tank (12), of the bypass pipe (51) is connected with the ignition assembly (5); the second control module (52) comprises a pipeline control valve (521) arranged on the bypass pipe (51) and an electronic button (522) electrically connected with the ignition assembly (5); the input ends of the pipeline control valve (521) and the electronic button (522) are connected with the output end of the first control module (15).

3. A glass tube heating furnace according to claim 2, characterized in that: the combustion assembly (6) comprises an air supply pipe (63) connected to the air storage tank (12) and a mounting base (64) arranged at one end, far away from the air storage tank (12), of the air supply pipe (63); a combustion chamber is concavely arranged on one side of the mounting base (64) far away from the air supply pipe (63), and a combustor (65) communicated with the air supply pipe (63) is arranged in the combustion chamber; the ignition assembly (5) is located between the mounting base (64) and the bottom end of the glass tube (2).

4. A glass tube heating furnace according to claim 3, characterized in that: the mounting base (64) is provided with a ceramic plate (66), and a plurality of air outlets (67) are formed in the ceramic plate (66) in a penetrating manner; the ceramic plate (66) is capable of closing an opening of the combustion chamber.

5. A glass tube heating furnace according to claim 4, characterized in that: the ignition assembly (5) comprises an air outlet pipe (53) connected to one end of the side branch pipe (51) far away from the air storage tank (12), a spray head (54) arranged at one end of the air outlet pipe (53) far away from the side branch pipe (51) and an electronic igniter (55) arranged on one side of the air outlet pipe (53); the inner diameter of the air outlet pipe (53) is smaller than that of the side branch pipe (51); the control end of the electronic lighter (55) is in communication connection with the electronic button (522); one end of the gas outlet pipe (53) far away from the side branch pipe (51) is positioned on one side of the ceramic plate (66) far away from the burner (65).

6. A glass tube heating furnace according to claim 1, characterized in that: a closed cover (3) is arranged on the end face of one end, away from the ignition assembly (5), of the glass tube (2), and the diameter of the outer edge of the closed cover (3) is larger than that of the outer edge of the glass tube (2); one side of the closing cover (3) close to the glass tube (2) and a protective mesh enclosure (4) are connected between the shell (1).

7. A glass tube heating furnace according to claim 6, characterized in that: run through closed lid (3) and seted up disappointing hole (31), install on closed lid (3) and open and close automatically controlled valve (32) of disappointing hole (31), automatically controlled valve (32) communication connection has controller (34), controller (34) communication connection has detection piece (33), detection piece (33) install in inside glass pipe (2), detection piece (33) are used for detecting the inside gas concentration of glass pipe (2).

8. A glass tube heating furnace according to claim 7, characterized in that: install temperature sensor (35) in glass pipe (2), the signal output part of temperature sensor (35) with controller (34) are connected, controller (34) with third control module (61) communication is connected.

9. A control method suitable for a glass tube heating furnace as claimed in any one of claims 1-8, characterized by comprising the steps of:

pre-starting: receiving a firing instruction;

the first control module (15) opens the air storage tank (12) according to the firing instruction;

the second control module (52) opens an electronic button (522) and a pipeline control valve (521) according to the firing instruction;

and (4) normal operation: receiving a combustion instruction;

the third control module (61) turns on a burner (65) according to a combustion command.

10. A method for controlling a glass tube heating furnace according to claim 9, characterized in that: the pre-starting step is also preceded by the steps of:

safety detection: presetting a safe gas concentration threshold range;

acquiring real-time gas concentration;

comparing the real-time gas concentration with the safe gas concentration threshold range;

if the real-time gas concentration is within the safe gas concentration threshold range, repeatedly acquiring the real-time gas concentration; if the real-time gas concentration is not within the safe gas concentration threshold range, executing emergency adjustment;

emergency adjustment: sending a valve opening command to the electric control valve (32).

Images