CN217483280U

CN217483280U - Automatic control system for kiln temperature

Info

Publication number: CN217483280U
Application number: CN202221464081.7U
Authority: CN
Inventors: 王后良; 孙倩; 王秀成; 张玉和; 史利锋; 张文静
Original assignee: Shandong Xingdi Abrasive Tools Co ltd
Current assignee: Shandong Xingdi Abrasive Tools Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-09-23
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a kiln temperature automatic control system relates to kiln temperature control technical field. It receives the signal that temperature sensor responds to through the singlechip, can be to the solenoid valve, admit air fan and electric telescopic handle carry out automated control, carry out the lift-up to draw or promote downwards to first connecting rod through electric telescopic rod, make first connecting rod drive the rotor plate through first round pin axle and rotate along the fixed axle, carry out the rotary motion of small amplitude through the rotor plate, make the both ends of rotor plate carry out the push-and-pull to the choke plate through second round pin axle and second connecting rod, make the choke plate slide in the second air guide pipe, control first connecting rod through electric telescopic rod, first round pin axle, the fixed axle, the rotor plate, second round pin axle and second connecting rod and choke plate link, thereby make electric telescopic handle can control the displacement size of second air guide pipe, and then reach the purpose that can control the inside temperature of kiln body.

Description

Automatic control system for kiln temperature

Technical Field

The utility model relates to a kiln temperature control technical field specifically is a kiln temperature automatic control system.

Background

The kiln or furnace is a furnace for firing ceramic ware and sculpture or fusing enamel on the surface of metal ware, generally built by bricks and stones, and can be made into various sizes and specifications according to the requirement; the kiln is of various types, such as a firewood kiln, a coal kiln, an electric kiln and a gas kiln, wherein the gas kiln takes liquefied gas, coal gas or natural gas as fuel, has strong firepower and little pollution, is suitable for firing in different firing atmospheres, and is the most widely used kiln at present;

in the prior art, as Chinese patent documents, gas kilns have the following publication numbers: CN206146220U discloses a kiln temperature control device, through adjusting the ball valve aperture size, ensure the temperature stability in the furnace body shell, do not need artifical manual control, product quality has been improved, the fuel loss is reduced, however, prior art is to kiln temperature control, it is strong and weak through changing the kiln air inlet, the manual regulation flashboard that admits air, change the grate gap, the kiln temperature is controlled to the mode of manual control blast air and control entering kiln combustible gas flow, and often not accurate enough through the mode of manual control temperature, simultaneously like the manual work can not in time adjust, can lead to damaging the thing emergence of product in the kiln, thereby cause the loss, for this reason, we provide and see a kiln temperature automatic control system.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses an automatic kiln temperature control system, which adopts the technical scheme that the automatic kiln temperature control system comprises a base, a heat preservation shell, a kiln body, a kiln door and a handle, wherein the heat preservation shell and the kiln body are arranged at the top of the base, the kiln body is arranged inside the heat preservation shell, the kiln door is arranged on the right side of the heat preservation shell and the kiln body, the handle is arranged in the middle of the outer surface of the kiln door, a natural gas pipe is arranged at the left end of the bottom of the base, the other end of the natural gas pipe is provided with a solenoid valve, first air guide pipelines are respectively arranged on the front side and the rear side between the heat preservation shell and the kiln body, the inner sides of the first air guide pipelines are respectively and fixedly connected with the outer side of the kiln body, a second air guide pipeline is arranged at one end of the first air guide pipeline, the other end of the second air guide pipeline is respectively and fixedly connected with air inlet grooves arranged at the front end and the rear end of the left side of the kiln body, an air inlet unit is arranged at the top of the other end of the first air guide pipeline, a control unit is arranged between the second air guide pipelines, and the control units respectively control the air exhaust ends of the second air guide pipelines. The heat insulation shell arranged on the base can insulate the kiln body, avoid the influence of cold weather on the interior of the kiln body, through the arrangement of the kiln door and the handle, the kiln door can be conveniently opened by a worker, a product to be processed is placed in the kiln body, through the matching arrangement between the natural gas pipe and the electromagnetic valve, thereby controlling the gas flow of the natural gas entering the kiln body, leading the air inlet unit to send the external air into the kiln body through the matching arrangement of the first air guide pipeline and the second air guide pipeline, thereby ensuring the air content in the kiln body and leading the natural gas to be fully combusted, and the control unit can control the exhaust flow of the exhaust end of the second air guide pipeline, the air inlet strength of the kiln body is controlled, so that the aim of controlling the internal temperature of the kiln body can be fulfilled.

As the utility model discloses a preferred technical scheme of kiln temperature automatic control system, the unit that admits air contains air inlet window, dust screen, mount and the fan that admits air, the air inlet window is provided with two, the air inlet window is symmetrical around respectively and is set up the top right-hand member at the heat preservation shell, the inside of air inlet window respectively with the inside intercommunication of first air guide pipeline, the top of air inlet window is provided with the dust screen respectively, the inboard top of air inlet window is fixed mounting respectively has the mount, on the mount respectively fixed mounting have the fan that admits air. Through the setting of air inlet window, make the outside air can emit into the inside to the kiln body through the air inlet fan to make this internal a large amount of air that can flow into fast of kiln, through the setting of mount, can carry out steady support to the air inlet fan, through the setting of dust screen, can filter the dust that the outside air kind contains.

As the preferred technical scheme of the kiln temperature automatic control system of the utility model, the control unit comprises an electric telescopic rod, a first connecting rod, a first pin shaft, a fixed shaft, a rotating plate, a second pin shaft, a second connecting rod and a choke plate, wherein the fixed shaft is fixedly arranged at the left bottom between the heat preservation shell and the kiln body, the rotating plate is rotatably arranged at the middle part of the fixed shaft, the second connecting rod is respectively arranged at the left end and the right end of the rotating plate, the second pin shaft is respectively arranged at the left end and the right end of the second connecting rod, one end of the second connecting rod is respectively rotatably connected with the rotating plate through the second pin shaft, the other end of the second connecting rod is respectively rotatably connected with the choke plate which is slidably arranged at the inner side of the second air guide pipeline through the second pin shaft, the electric telescopic rod is fixedly arranged at the top of the heat preservation shell, the telescopic bottom of the electric telescopic rod is provided with the first connecting rod, the upper end and the lower end of the first connecting rod are respectively provided with a first pin shaft in a rotating mode, and the first pin shafts are respectively fixedly connected with the front side surface of one end of the rotating plate and the telescopic end of the electric telescopic rod. Carry out the lift-up or promote downwards to first connecting rod through electric telescopic rod, make first connecting rod drive the rotor plate through first round pin axle and rotate along the fixed axle, carry out the rotary motion of small size through the rotor plate, make the both ends of rotor plate carry out the push-and-pull to the choke plate through second round pin axle and second connecting rod, make the choke plate slide in the second air guide pipeline, control first connecting rod through electric telescopic rod, first round pin axle, the fixed axle, the rotor plate, second round pin axle and second connecting rod and choke plate link, thereby make electric telescopic rod can control the displacement size of second air guide pipeline, and then reach the purpose that can control the inside temperature of kiln body.

As the utility model discloses a preferred technical scheme of kiln temperature automatic control system still includes temperature sensor, temperature sensor fixed mounting is at the top of heat preservation shell, temperature sensor's response end is located the inboard top of kiln body. Through the setting of temperature sensor, can respond to the temperature in the kiln body in real time to guarantee this system to the accuracy of temperature control in the kiln body.

As the utility model discloses a preferred technical scheme of kiln temperature automatic control system, the front side surface one end of heat preservation shell is provided with the singlechip, solenoid valve, air inlet fan and electric telescopic handle's input are connected to the output electricity of singlechip, temperature sensor and external power source's output is connected to the input electricity of singlechip. The single chip microcomputer is used for receiving signals sensed by the temperature sensor, so that the electromagnetic valve, the air inlet fan and the electric telescopic rod can be automatically controlled, and the purpose of automatically controlling the temperature in the kiln body is achieved.

The utility model has the advantages that: the utility model can sense the temperature in the kiln body in real time through the arrangement of the temperature sensor, thereby ensuring the accuracy of the system for controlling the temperature in the kiln body, the signal sensed by the temperature sensor is received through the singlechip, thereby the electromagnetic valve, the air inlet fan and the electric telescopic rod can be automatically controlled, the first connecting rod is lifted upwards or pushed downwards through the electric telescopic rod, the first connecting rod drives the rotating plate to rotate along the fixed shaft through the first pin shaft, the rotating plate performs small-amplitude rotary movement, two ends of the rotating plate push and pull the air baffle plate through the second pin shaft and the second connecting rod, the air baffle plate slides in the second air guide pipe, the first connecting rod, the first pin shaft, the fixed shaft, the rotating plate, the second pin shaft, the second connecting rod and the air baffle plate are linked through the electric telescopic rod, therefore, the electric telescopic rod can control the air displacement of the second air guide pipeline, and the aim of controlling the internal temperature of the kiln body is fulfilled.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom view of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is a schematic view of a first partial cross-sectional structure of the present invention;

fig. 5 is a schematic view of a second partial sectional structure of the present invention;

FIG. 6 is a schematic view of the enlarged structure of the part A of the present invention;

fig. 7 is a schematic view of the local enlarged structure at the position B of the present invention.

In the figure: the device comprises a base 1, a heat preservation shell 2, a single chip microcomputer 3, an air inlet unit 4, an air inlet window 41, a dustproof net 42, a fixed frame 43, an air inlet fan 44, a control unit 5, an electric telescopic rod 51, a first connecting rod 52, a first pin shaft 53, a fixed shaft 54, a rotating plate 55, a second pin shaft 56, a second connecting rod 57, a choke plate 58, a kiln body 6, a temperature sensor 7, a natural gas pipe 8, an electromagnetic valve 9, a kiln door 10, a handle 11, a first air guide pipeline 12 and a second air guide pipeline 13.

Detailed Description

Example 1

As shown in fig. 1 to 7, the utility model discloses a kiln temperature automatic control system, the technical scheme of adoption is, including base 1, lagging casing 2, kiln body 6, kiln door 10 and handle 11, the top of base 1 is provided with lagging casing 2 and kiln body 6, and kiln body 6 sets up the inside at lagging casing 2, lagging casing 2 is provided with kiln furnace gate 10 with the right side of kiln body 6, the outside surface middle part of kiln door 10 is provided with handle 11, the bottom left end of base 1 is provided with natural gas trachea 8, the other end of natural gas trachea 8 is provided with solenoid valve 9, both sides are provided with first air guide pipe 12 respectively around between lagging casing 2 and the kiln body 6, the inboard of first air guide pipe 12 respectively with the outside fixed connection of kiln body 6, the one end of first air guide pipe 12 is provided with second air guide pipe 13, the other end of second air guide pipe 13 respectively with the air inlet duct fixed connection of kiln body 6 left side front and back both ends setting The top of the other end of the first air guide duct 12 is provided with an air inlet unit 4, a control unit 5 is arranged between the second air guide ducts 13, and the control unit 5 respectively controls the exhaust ends of the second air guide ducts 13. Firstly, a handle 11 is pulled to open a kiln door 10 by a worker, a product to be processed is placed in a kiln body 6, then a natural gas pipe 8 is communicated with an external natural gas pipeline, an electromagnetic valve 9 controls the gas flow of the natural gas pipe 8, the external air enters the kiln body 6 through a first air guide pipeline 12 and a second air guide pipeline 13 by the operation of an air inlet unit 4, so that the air content in the kiln body 6 is ensured, the natural gas can be fully combusted, the air can enter the kiln body 6 through the first air guide pipeline 12 and the second air guide pipeline 13, when the kiln body 6 is used for a period of time, the air entering the kiln body 6 can be heated, the firepower intensity of the kiln body 6 is ensured, and the phenomenon that the temperature inside the kiln body 6 is heated due to the low air temperature is avoided, the exhaust flow of the second air guide pipeline 13 is controlled by the control unit 5, so that the air inlet strength of the kiln body 6 is controlled, and the control unit 5 automatically controls the internal temperature of the kiln body 6. Still include temperature sensor 7, temperature sensor 7 fixed mounting is at the top of heat preservation shell 2, and temperature sensor 7's response end is located the inboard top of kiln body 6. Through the setting of temperature sensor 7, can respond to the temperature in the kiln body 6 in real time to guarantee this system to the accuracy of temperature control in the kiln body 6. The front side surface one end of heat preservation shell 2 is provided with singlechip 3, and solenoid valve 9, inlet fan 44 and electric telescopic handle 51's input are connected to singlechip 3's output electricity, and temperature sensor 7 and external power source's output are connected to singlechip 3's input electricity. The sensed signals are transmitted to the single chip microcomputer 3 in real time through the temperature sensor 7, so that the single chip microcomputer 3 can correspondingly control the electromagnetic valve 9, the air inlet fan 44 and the electric telescopic rod 51, and the aim of automatically controlling the temperature in the kiln body 6 is fulfilled.

The air inlet unit 4 comprises two air inlet windows 41, two dust screens 42, a fixing frame 43 and two air inlet fans 44, the air inlet windows 41 are respectively symmetrically arranged at the right end of the top of the heat preservation shell 2 in front and back directions, the insides of the air inlet windows 41 are respectively communicated with the inside of the first air guide pipeline 12, the dust screens 42 are respectively arranged at the tops of the air inlet windows 41, the fixing frame 43 is respectively and fixedly arranged at the top of the inner side of each air inlet window 41, and the air inlet fans 44 are respectively and fixedly arranged on the fixing frame 43. Through the operation of admitting air fan 44, make the inside that outside air can be fast to first air guide pipeline 12, make first air guide pipeline 12 carry the inside to kiln body 6 with the air defeated through second air guide pipeline 13 to guarantee the inside air content of kiln body 6, through the dust screen 42 that sets up on the window 41 that admits air, can filter the dust that outside air contains, carry out the even support to admitting air fan 44 through mount 43, make it can the even running.

The control unit 5 comprises an electric telescopic rod 51, a first connecting rod 52, a first pin shaft 53, a fixed shaft 54, a rotating plate 55, a second pin shaft 56, a second connecting rod 57 and a choke plate 58, the fixed shaft 54 is fixedly arranged at the left bottom between the heat preservation shell 2 and the kiln body 6, the rotating plate 55 is rotatably arranged in the middle of the fixed shaft 54, the second connecting rod 57 is respectively arranged at the left end and the right end of the rotating plate 55, the second pin shaft 56 is respectively arranged at the left end and the right end of the second connecting rod 57, one end of the second connecting rod 57 is respectively rotatably connected with the rotating plate 55 through the second pin shaft 56, the other end of the second connecting rod 57 is respectively rotatably connected with the choke plate 58 slidably arranged at the inner side of the second air guide pipe 13 through the second pin shaft 56, the electric telescopic rod 51 is fixedly arranged at the top of the heat preservation shell 2, the first connecting rod 52 is arranged at the telescopic bottom of the electric telescopic rod 51, the first pin shaft 53 is respectively rotatably arranged at the upper end and the lower end of the first connecting rod 52, the first pin 53 is fixedly connected to a front side surface of one end of the rotating plate 55 and a telescopic end of the electric telescopic rod 51. When the temperature of the interior of the kiln body 6 needs to be raised, the telescopic end of the electric telescopic rod 51 retracts to pull the first link 52 upwards, the first link 52 drives the rotating plate 55 to rotate along the fixed shaft 54 through the first pin shaft 53, the rotating plate 55 rotates to a small extent, two ends of the rotating plate 55 pull the air blocking plate 58 in the second air guide duct 13 outwards through the second pin shaft 56 and the second connecting rod 57, so that air can rapidly enter the interior of the kiln body 6 through the second air guide duct 13 to ensure the air content in the interior of the kiln body 6, the natural gas can be sufficiently combusted, the temperature in the kiln body 6 can be rapidly raised, on the contrary, when the interior of the kiln body 6 needs to be lowered, the telescopic end of the electric telescopic rod 51 pushes downwards to block the exhaust passage of the second air guide duct 13 through the same principle, the air content in the kiln body 6 is reduced, so that the temperature in the kiln body 6 does not rise any more, and the aim of controlling the temperature in the kiln body 6 is fulfilled.

The utility model discloses a theory of operation: firstly, pulling a handle 11 to open a kiln door 10, putting a product to be processed into a kiln body 6, then connecting a natural gas pipe 8 with an external natural gas pipeline, controlling the gas flow of the natural gas pipe 8 by an electromagnetic valve 9, operating an air inlet fan 44 to enable external air to enter the kiln body 6 through a first air guide pipeline 12 and a second air guide pipeline 13 so as to ensure the air content in the kiln body 6 and enable the natural gas to be fully combusted, arranging the kiln body 6 between a heat preservation shell 2 and the kiln body 6 through the first air guide pipeline 12 and the second air guide pipeline 13, and heating the air entering the kiln body 6 after the kiln body 6 is used for a period of time so as to ensure the firepower intensity of the kiln body 6 and avoid the influence of low air temperature on the internal temperature rise of the kiln body 6, the temperature sensor 7 is arranged to sense the temperature in the kiln body 6 in real time, so as to ensure the accuracy of the system in controlling the temperature in the kiln body 6, the sensed signal is transmitted to the single chip microcomputer 3 in real time through the temperature sensor 7, so that the single chip microcomputer 3 can correspondingly control the electromagnetic valve 9, the air inlet fan 44 and the electric telescopic rod 51, thereby achieving the purpose of automatically controlling the temperature in the kiln body 6, when the temperature in the kiln body 6 needs to be raised, the first connecting rod 52 is pulled upwards through retracting the telescopic end of the electric telescopic rod 51, the first connecting rod 52 drives the rotating plate 55 to rotate along the fixed shaft 54 through the first pin shaft 53, the rotating plate 55 performs small-amplitude rotary movement, so that the air baffle plate 58 in the second air guide pipeline 13 is pulled outwards through the second pin shaft 56 and the second connecting rod 57 at two ends of the rotating plate 55, thereby make the air can get into the inside of kiln body 6 through second air guide pipe 13 fast, in order to guarantee the inside air content of kiln body 6, make the natural gas can be fully burnt, and then make the inside temperature of kiln body 6 promote fast, on the contrary, when the inside cooling that needs of kiln body 6, flexible end through electric telescopic handle 51 promotes downwards, with the same principle, make choke plate 58 block the exhaust passage of second air guide pipe 13, reduce the inside air content of kiln body 6, thereby make the inside temperature of kiln body 6 no longer rise, and then reach the purpose that can control the inside temperature of kiln body 6.

The utility model relates to a conventional means that circuit connection adopted for technical staff in the field, the accessible is experimental for a limited time and is obtained the technology enlightenment, belong to widely used prior art, the concrete model of singlechip 3 is siemens S7-200, it chooses the air inlet fan that the good wooden explosion-proof electric limited company in le qing city produces for use to advise air inlet fan 44, it chooses the electric telescopic handle that Shanghai Andite intelligent science and technology limited company produced for use to advise electric telescopic handle 51, it chooses the special temperature sensor of kiln that Anhui Xin got the automation limited company product for use to advise temperature sensor 7, it chooses the natural gas solenoid valve that the energy environmental protection engineering limited company produced for use to advise solenoid valve 9, singlechip 3 controls air inlet fan 44, electric telescopic handle 51, temperature sensor 7 and the method commonly used among the prior art is adopted in the work of solenoid valve 9.

Components not described in detail herein are prior art.

Although the specific embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations that do not have creative work are still within the scope of the present invention.

Claims

1. An automatic control system for kiln temperature comprises a base (1), a heat preservation shell (2), a kiln body (6), a kiln door (10) and a handle (11), wherein the heat preservation shell (2) and the kiln body (6) are arranged at the top of the base (1), the kiln body (6) is arranged inside the heat preservation shell (2), the kiln door (10) is arranged on the right sides of the heat preservation shell (2) and the kiln body (6), the handle (11) is arranged in the middle of the outer side surface of the kiln door (10), and the automatic control system is characterized in that a natural gas pipe (8) is arranged at the left end of the bottom of the base (1), an electromagnetic valve (9) is arranged at the other end of the natural gas pipe (8), first air guide pipelines (12) are respectively arranged on the front side and the rear side between the heat preservation shell (2) and the kiln body (6), the inner sides of the first air guide pipelines (12) are respectively and fixedly connected with the outer side of the kiln body (6), one end of the first air guide pipeline (12) is provided with a second air guide pipeline (13), the other end of the second air guide pipeline (13) is fixedly connected with air inlet grooves formed in the front and the rear of the left side of the kiln body (6) respectively, an air inlet unit (4) is arranged at the top of the other end of the first air guide pipeline (12), a control unit (5) is arranged between the second air guide pipelines (13), and the control unit (5) controls the exhaust end of the second air guide pipeline (13) respectively.

2. The automatic control system of kiln temperature according to claim 1, characterized in that: air inlet unit (4) contain air inlet window (41), dust screen (42), mount (43) and admit air fan (44), air inlet window (41) are provided with two, air inlet window (41) are preceding back symmetry respectively and are set up the top right-hand member at heat preservation shell (2), the inside of air inlet window (41) communicates with the inside of first air guide pipeline (12) respectively, the top of air inlet window (41) is provided with dust screen (42) respectively, there is mount (43) at the inboard top of air inlet window (41) fixed mounting respectively, on mount (43) respectively fixed mounting have admit air fan (44).

3. The automatic control system of kiln temperature according to claim 1, characterized in that: the control unit (5) comprises an electric telescopic rod (51), a first connecting rod (52), a first pin shaft (53), a fixed shaft (54), a rotating plate (55), a second pin shaft (56), a second connecting rod (57) and a choke plate (58), the fixed shaft (54) is fixedly arranged at the bottom of the left side between the heat preservation shell (2) and the kiln body (6), the rotating plate (55) is rotatably arranged in the middle of the fixed shaft (54), the second connecting rod (57) is respectively arranged at the left end and the right end of the rotating plate (55), the second pin shaft (56) is respectively arranged at the left end and the right end of the second connecting rod (57), one end of the second connecting rod (57) is respectively rotatably connected with the rotating plate (55) through the second pin shaft (56), the other end of the second connecting rod (57) is respectively rotatably connected with the choke plate (58) which is slidably arranged at the inner side of the second air guide duct (13) through the second pin shaft (56), the electric telescopic rod (51) is fixedly installed at the top of the heat preservation shell (2), a first connecting rod (52) is arranged at the telescopic bottom of the electric telescopic rod (51), first pin shafts (53) are respectively rotatably installed at the upper end and the lower end of the first connecting rod (52), and the first pin shafts (53) are respectively fixedly connected with the front side surface of one end of the rotating plate (55) and the telescopic end of the electric telescopic rod (51).

4. The automatic control system of kiln temperature according to claim 1, characterized in that: still include temperature sensor (7), temperature sensor (7) fixed mounting is at the top of heat preservation shell (2), the response end of temperature sensor (7) is located the inboard top of kiln body (6).

5. The automatic control system of kiln temperature according to claim 1, characterized in that: the temperature-keeping shell is characterized in that a single chip microcomputer (3) is arranged at one end of the front side surface of the heat-keeping shell (2), the output end of the single chip microcomputer (3) is electrically connected with the input ends of an electromagnetic valve (9), an air inlet fan (44) and an electric telescopic rod (51), and the input end of the single chip microcomputer (3) is electrically connected with a temperature sensor (7) and an external power supply.