CN213179501U

CN213179501U - Control equipment for electric heating furnace

Info

Publication number: CN213179501U
Application number: CN202021629408.2U
Authority: CN
Inventors: 魏晶; 赵新顺; 赵凯; 何新平; 李雅坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-05-11
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses an electric heating furnace control device, which comprises a main control system and an auxiliary control system; the main control system comprises a programmable PLC, the output end of the programmable PLC is connected with a D/A converter, the connecting end of the programmable PLC is provided with an A/D converter, and the programmable PLC is electrically connected with an external temperature control module; the external temperature control module comprises a heating core, a fan and a heating plate, and the heating core, the fan and the heating plate are electrically connected with the D/A converter; through the design of outside temperature control module, can control external temperature for outside temperature is higher than the inside temperature of heating furnace, through the design of outside temperature control module, can be when the heating furnace is out of work, keeps warm for the inside hot-air of heating furnace, avoids the inside temperature of heating furnace to run off very fast and leads to the extravagant problem of energy, has avoided the waste of the energy, has guaranteed the rational utilization of the energy.

Description

Control equipment for electric heating furnace

Technical Field

The utility model relates to a heating furnace control technology field especially relates to an electric heating furnace controlgear.

Background

In the metallurgical industry, a heating furnace is a device (industrial furnace) for heating materials or workpieces (generally metals) to a forging temperature, the heating furnace is applied to various industries such as petroleum, chemical engineering, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like, the heating furnace is applied before liberation, except saddle steel, only more than ten coal-fired furnaces are distributed in a plurality of cities in China, the technical equipment falls behind without special thermal technical personnel, after liberation, advanced technology is comprehensively studied and introduced to Soviet Union, the heating furnace is practiced and innovated according to the national conditions of China and comprises a continuous heating furnace, a chamber type heating furnace and the like, the heating furnace for metal heat treatment is also called a heat treatment furnace, the furnace for heating steel ingots before blooming or making the internal temperature of the steel ingots uniform is called a soaking furnace, in a broad sense, the heating furnace also comprises a soaking furnace and a heat treatment furnace, in forging and rolling production, a billet is generally heated in an oxidizing atmosphere of complete combustion flame, and the aim of no oxidation or less oxidation can be achieved by directly heating metal by adopting incomplete combustion reducing flame (namely 'self-protection atmosphere'), wherein the heating mode is called open flame type or open flame type non-oxidation heating and is successfully applied to a rotary hearth type heating furnace and a chamber type heating furnace.

When the heating furnace in the prior art is used, the heating furnace is started to work by controlling the temperature of energy media in heating equipment (the highest temperature is such as DEG C and the lowest temperature is such as DEG C), and the heating equipment continuously and uninterruptedly works to cause energy waste.

Therefore, in view of the above technical problems, it is necessary for those skilled in the art to develop an electric heating furnace control apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric heating furnace controlgear.

In order to realize the purpose of the energy can be saved and the energy waste can be avoided, the utility model provides a following technical scheme:

the utility model discloses an electric heating furnace controlgear, include:

the device comprises an installation mechanism, a main control system and an auxiliary control system, wherein the main control system and the auxiliary control system are arranged in the installation mechanism;

the main control system comprises a programmable PLC, the output end of the programmable PLC is connected with a D/A converter, the connecting end of the programmable PLC is provided with an A/D converter, the programmable PLC is electrically connected with an external temperature control module, and the output end of the programmable PLC is connected with a display screen;

the external temperature control module comprises a heating core, a fan and a heating plate, wherein the heating core, the fan and the heating plate are electrically connected with the D/A converter;

the installation mechanism comprises a case, the programmable PLC is installed in the case, the display screen is fixedly arranged at the top of the case, a supporting rod is fixedly arranged at the top of the case, the top of the supporting rod is fixedly connected with the bottom of the display screen, a movable door is arranged on the front side of the case and connected with the case through hinges, and fixing rods are fixedly arranged at four corners of the bottom of the case.

Further, the auxiliary control system includes an internal heating module including a heating device.

Further, the internal heating module further includes a second temperature sensor.

Furthermore, the A/D converter connecting end is provided with a second temperature setter which is electrically connected with a second temperature sensor.

Furthermore, the output end of the second temperature sensor is connected with a pressure switch and an automatic circulating pump.

Furthermore, the first temperature sensor is electrically connected with the first temperature setter.

In the technical scheme, the utility model provides a pair of electric heating furnace controlgear has following beneficial effect:

1. the utility model can control the external temperature through the design of the external temperature control module, so that the external temperature is higher than the temperature inside the heating furnace, and through the design of the external temperature control module, the hot air inside the heating furnace can be kept warm when the heating furnace does not work, thereby avoiding the problem of energy waste caused by the rapid loss of the internal temperature of the heating furnace, avoiding the waste of energy and ensuring the reasonable utilization of energy;

2. through the design of display screen, can set up the temperature of first temperature setting ware and second temperature setting ware, also be convenient for simultaneously manually to auxiliary control system's control for the user can control the inside structure of auxiliary control system through manual when using, makes the user more convenient when using.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural diagram of a control system of an electric heating furnace control device according to an embodiment of the present invention;

fig. 2 is a perspective view of a case of a control device for an electric heating furnace according to an embodiment of the present invention.

Description of reference numerals:

the heating device comprises a main control system 1, an auxiliary control system 2, a programmable PLC3, an external temperature control module 4, a heating core 5, a fan 6, a heating plate 7, a first temperature sensor 8, a first temperature setter 9, an internal heating module 10, a heating device 11, a second temperature sensor 12, a second temperature setter 13, a pressure switch 14, an automatic circulating pump 15, a display screen 16, a cabinet 17, a movable door 18, a supporting rod 19 and a fixing rod 20.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1;

the utility model discloses an electric heating furnace controlgear, include:

the device comprises a mounting mechanism, wherein a main control system 1 and an auxiliary control system 2 are arranged in the mounting mechanism;

the main control system 1 comprises a programmable PLC3, the output end of the programmable PLC3 is connected with a D/A converter, the connecting end of the programmable PLC3 is provided with an A/D converter, and the programmable PLC3 is electrically connected with an external temperature control module 4;

the external temperature control module 4 comprises a heating core 5, a fan 6 and a heating plate 7, wherein the heating core 5, the fan 6 and the heating plate 7 are electrically connected with a D/A converter, the external temperature control module 4 further comprises a first temperature sensor 8, the first temperature sensor 8 is electrically connected with the A/D converter, and a first temperature setter 9 is arranged at the connecting end of the first temperature sensor 8;

the installation mechanism comprises a case 17, the programmable PLC3 is installed inside the case 17, the display screen 16 is fixedly arranged at the top of the case 17, a support rod 19 is fixedly arranged at the top of the case 17, the top of the support rod 19 is fixedly connected with the bottom of the display screen 16, a movable door 18 is arranged at the front side of the case 17, the movable door 18 is connected with the case 17 through hinges, fixing rods 20 are fixedly arranged at four corners of the bottom of the case 17, the programmable PLC3 can be installed inside the case 17 through the design of the installation mechanism, further the programmable PLC3 can be protected conveniently, the case 17 can be supported through the design of the fixing rods, the installation of the programmable PLC3 can be facilitated through the design of the movable door 18, meanwhile, the temperature of the first temperature setter 9 and the temperature setter 13 can be set through the design of the display screen 16, and the manual control over the auxiliary control system 2 is facilitated, the structure inside the auxiliary control system 2 can be controlled manually by a user when the auxiliary control system is used, so that the use is more convenient and faster.

Preferably, the auxiliary control system 2 comprises an internal heating module 10, said internal heating module 10 comprising a heating device 11.

Preferably, the internal heating module 10 further comprises a second temperature sensor 12.

Preferably, a second temperature setter 13 is disposed at the connection end of the a/D converter, and the second temperature setter 13 is electrically connected to the second temperature sensor 12.

Preferably, the output end of the second temperature sensor 12 is connected with a pressure switch 14 and an automatic circulating pump 15.

Preferably, the first temperature sensor 8 is electrically connected to the first temperature setter 9.

The implementation mode is specifically as follows: first the utility model discloses connect external power source, when the heating furnace is out of work, accessible second temperature sensor 12 detects the inside temperature of heating furnace, accessible second temperature setting ware 13 sets for the inside temperature of heating furnace simultaneously, through the external temperature of first temperature sensor 8 response, set up ambient temperature through the data that set up first temperature sensor 8 and second temperature sensor 12, when ambient temperature and inside temperature differ less, can control heating core 5 and fan 6 work through PLC3 able to programme, fan 6 work can drive the outside hot-air flow, make heating furnace outside air distribution more even, avoided the faster problem of the inside heat loss of heating furnace, when ambient temperature and inside temperature differ greatly, can start hot plate 7 and fan 6, hot plate 7 work can be quick with the outside air heating.

The hot stove control equipment has the following beneficial effects:

1. the utility model can control the external temperature through the design of the external temperature control module 4, so that the external temperature is higher than the temperature inside the heating furnace, and through the design of the external temperature control module, the hot air inside the heating furnace can be kept warm when the heating furnace does not work, thereby avoiding the problem of energy waste caused by the rapid temperature loss inside the heating furnace, avoiding the energy waste and ensuring the reasonable utilization of the energy;

2. through the design of display screen 16, can set up the temperature of first temperature setting ware 9 and second temperature setting ware 13, also be convenient for simultaneously the manual control to auxiliary control system 2 for the user can be through the inside structure of manual control auxiliary control system 2 of manual control when using, makes the user more convenient when using.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. An electric heating furnace control apparatus characterized by comprising:

the device comprises a mounting mechanism, wherein a main control system (1) and an auxiliary control system (2) are arranged in the mounting mechanism;

the main control system (1) comprises a programmable PLC (3), the output end of the programmable PLC (3) is connected with a D/A converter, the connecting end of the programmable PLC (3) is provided with an A/D converter, the programmable PLC (3) is electrically connected with an external temperature control module (4), and the output end of the programmable PLC (3) is connected with a display screen (16);

the external temperature control module (4) comprises a heating core (5), a fan (6) and a heating plate (7), the heating core (5), the fan (6) and the heating plate (7) are electrically connected with a D/A converter, the external temperature control module (4) further comprises a first temperature sensor (8), the first temperature sensor (8) is electrically connected with the A/D converter, and a first temperature setter (9) is arranged at the connecting end of the first temperature sensor (8);

installation mechanism includes quick-witted case (17), PLC (3) able to programme are installed inside quick-witted case (17), display screen (16) are fixed to be located quick-witted case (17) top, the fixed bracing piece (19) that is equipped with in quick-witted case (17) top, bracing piece (19) top and display screen (16) bottom fixed connection, quick-witted case (17) front side is equipped with dodge gate (18), dodge gate (18) pass through hinge connection with quick-witted case (17), machine case (17) bottom four corners is all fixed and is equipped with dead lever (20).

2. An electric heater control device according to claim 1, characterized in that the auxiliary control system (2) comprises an internal heating module (10), the internal heating module (10) comprising a heating device (11).

3. An electric heater control apparatus according to claim 2, wherein said internal heating module (10) further comprises a second temperature sensor (12).

4. An electric heater control apparatus according to claim 3, wherein said A/D converter connection terminal is provided with a second temperature setter (13), said second temperature setter (13) being electrically connected to a second temperature sensor (12).

5. An electric heating furnace control device according to claim 3, characterized in that the output end of the second temperature sensor (12) is connected with a pressure switch (14) and an automatic circulating pump (15).

6. An electric heater control apparatus according to claim 1, wherein the first temperature sensor (8) is electrically connected to the first temperature setter (9).