Kiln body health monitoring device for ceramic-fired electric kiln production
By integrating multi-dimensional sensors to monitor the temperature, vibration, and gas state of the electric kiln, the problem of difficulty in assessing the health status of the kiln body in existing technologies has been solved, enabling real-time monitoring and assessment of the kiln structure and material condition.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-10
AI Technical Summary
Existing testing devices for electric kiln production can only detect resistance circuit faults and cannot monitor potential risks such as kiln structure deformation, refractory material deterioration, and local overheating in real time. They also lack means to detect abnormal dynamic stress and vibration of the kiln body, making it difficult to assess the health status of the kiln body.
Infrared thermal imagers are used to monitor temperature, piezoelectric accelerometers to detect vibration, fiber optic grating sensors to monitor structural deformation, acoustic emission sensors to detect material cracking, and gas sensors to detect gas composition. Multi-dimensional sensor fusion is used to monitor the kiln's condition.
It enables multi-dimensional real-time monitoring of the kiln body, covering the mechanical and chemical state of the kiln body, and can promptly detect risks such as structural deformation, refractory material deterioration and local overheating, and assess the health status of the kiln body.
Smart Images

Figure CN223985597U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the electric kiln production technical field, concretely is a kiln body health monitoring device for ceramic firing electric kiln production. BACKGROUND
[0002] Electric kiln is a kind of kiln using electric energy as heat source, mainly used for the firing of ceramics, and the outer wall of electric kiln is made of metal, filled with refractory bricks and refractory asbestos inside, it usually adopts oxidation firing atmosphere, is suitable for the firing of ceramic body, low temperature glaze and overglaze color.Electric kiln needs to be health monitored during production, to provide protection for its normal use.
[0003] The Chinese patent with publication number CN212747904U discloses an electric kiln control and fault detection device, comprising: a detection module detects a resistance circuit, and sends a fault signal to a control module when the resistance circuit fails;The control module generates a stop signal and fault information according to the fault signal;When no fault signal is received within the preset time, start the electric kiln;The start-stop module stops running according to the stop signal, collects the internal temperature of the electric kiln, and controls the closing state time or frequency of the switch module according to the temperature;The switch module is used to control the connection state of the AC power line and each resistance circuit.The detection module of the utility model detects the resistance wire and the copper end of the wire, and sends a fault signal to the control module when the resistance circuit fails, the control module controls the electric kiln to stop starting through the start-stop module, and sends fault information to the designated terminal, the maintenance personnel receives the fault information and carries out repair work on the electric kiln, to improve the production efficiency.
[0004] The above detection device only detects the second copper end of each resistance circuit and the resistance wire through the detection module, the detection category is single, cannot monitor the potential risks such as kiln body structure deformation, refractory material deterioration and local overheating in real time, lacks detection means for kiln body dynamic stress and vibration anomaly, and it is difficult to evaluate the health status of kiln body, therefore we propose a kiln body health monitoring device for ceramic firing electric kiln production. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kiln body health monitoring device for ceramic firing electric kiln production, to solve the problems in the above background technology.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kiln body health monitoring devices for ceramic electric kiln production, including electric kiln body, one end of electric kiln body is installed with electric kiln door body, the top of electric kiln body one side is installed with flue, and the outer wall of flue is provided with detection port, one side of electric kiln body is provided with device main body, one side of device main body is provided with support arm, and one end of support arm is fixed with horizontal moving track, the below of horizontal moving track is provided with infrared thermal imager, the outer wall of device main body is installed with control panel, the inner wall of electric kiln body is installed with fiber bragg grating sensor, the outer wall of electric kiln body one side is installed with piezoelectric acceleration sensor, the inner wall of electric kiln door body is installed with acoustic emission sensor, and the inside of detection port is inserted with gas sensor.
[0007] Preferably, the top of the device main body is provided with a first screw rod, and the top end of the device main body is provided with a first motor, and the output end of the first motor is fixedly connected with the first screw rod.
[0008] Preferably, one end of the support arm extends to the inside of the device main body and is threadedly engaged with the first motor.
[0009] Preferably, the inside of the horizontal moving track is provided with a second screw rod, and the outer wall of the second screw rod is threadedly sleeved with a movable seat.
[0010] Preferably, the bottom end of the movable seat extends to the below of the horizontal moving track and is fixedly provided with a dovetail clamping block.
[0011] Preferably, one end of the horizontal moving track is provided with a second motor, and the output end of the second motor is fixedly connected with the second screw rod.
[0012] Preferably, the top end of the infrared thermal imager is provided with a dovetail sliding groove, and the dovetail sliding groove is slidably clamped with the dovetail clamping block.
[0013] Preferably, one side of the bottom end of the movable seat is provided with a lock block through a rotating shaft, and the lock block is attached with the infrared thermal imager.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] The infrared thermal imager uses dynamic scanning to monitor the temperature and distribution of the electric kiln body. A piezoelectric accelerometer detects abnormal vibration spectra during kiln operation. A fiber optic grating sensor embedded in the refractory layer of the kiln body monitors structural deformation and stress in real time. An acoustic emission sensor on the inner wall of the kiln door captures sound signals from refractory material cracking and spalling. A gas sensor inserted into the detection port on the outer wall of the flue detects the oxygen and carbon monoxide concentrations inside the kiln body. All the above monitoring data are transmitted to the control panel for analysis and processing. This device employs multi-dimensional sensor fusion, combining multiple parameters such as temperature, vibration, strain, acoustic emission, and gas levels to comprehensively cover the mechanical, thermal, and chemical states of the kiln body. It can monitor potential risks such as structural deformation, refractory material deterioration, and localized overheating in real time, realizing a means of detecting dynamic stress and vibration anomalies in the kiln body and meeting the needs of assessing the health status of the kiln. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0017] Figure 2 This is a side view of the structure of this utility model;
[0018] Figure 3 This is an enlarged cross-sectional view of the transverse track of this utility model;
[0019] Figure 4 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;
[0020] Figure 5 This is a schematic diagram of the inner wall structure of the electric kiln body of this utility model.
[0021] In the diagram: 1. Electric kiln body; 2. Flue; 201. Detection port; 3. Gas sensor; 4. Main body of the device; 5. First motor; 6. First lead screw; 7. Transverse track; 8. Electric kiln door; 9. Acoustic emission sensor; 10. Piezoelectric accelerometer; 11. Control panel; 12. Support arm; 13. Second lead screw; 14. Movable seat; 1401. Dovetail locking block; 15. Infrared thermal imager; 1501. Dovetail slide; 16. Second motor; 17. Locking block; 18. Fiber optic grating sensor. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Therefore, the following detailed description of the embodiments of this utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but merely to illustrate selected embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0024] Please see Figures 1-5 An embodiment of this utility model provides a kiln health monitoring device for ceramic firing electric kiln production, including an electric kiln body 1, an electric kiln door 8 installed at one end of the electric kiln body 1, a flue 2 installed on one side of the top of the electric kiln body 1, and a detection port 201 provided on the outer wall of the flue 2, a device body 4 provided on one side of the electric kiln body 1, a support arm 12 provided on one side of the device body 4, and a transverse track 7 fixed at one end of the support arm 12, an infrared thermal imager 15 provided below the transverse track 7, and a control panel 11 installed on the outer wall of the device body 4;
[0025] A fiber optic grating sensor 18 is installed on the inner wall of the electric kiln body 1, a piezoelectric accelerometer 10 is installed on the outer wall of one side of the electric kiln body 1, an acoustic emission sensor 9 is installed on the inner wall of the electric kiln door 8, and a gas sensor 3 is inserted into the inside of the detection port 201.
[0026] Specifically, the infrared thermal imager 15 uses dynamic scanning to monitor the temperature and distribution of the electric kiln body 1. The piezoelectric accelerometer 10 installed on the outer wall of the electric kiln body 1 detects the abnormal vibration spectrum during the operation of the kiln. The fiber optic grating sensor 18 embedded in the refractory layer of the inner wall of the electric kiln body 1 monitors the structural deformation and stress in real time. The acoustic emission sensor 9 on the inner wall of the electric kiln door 8 captures the acoustic signals of refractory material cracking and peeling. The gas sensor 3 inserted into the detection port 201 on the outer wall of the flue 2 detects the oxygen and carbon monoxide concentration inside the electric kiln body 1. All of the above monitoring data are transmitted to the control panel 11 for analysis and processing.
[0027] This device employs multi-dimensional sensor fusion, combining multiple parameters such as temperature, vibration, strain, acoustic emission, and gas in the kiln body to comprehensively cover the mechanical, thermal, and chemical states of the kiln body. It can monitor potential risks such as structural deformation, refractory material deterioration, and local overheating in real time, and realizes a means of detecting dynamic stress and vibration anomalies in the kiln body, thus meeting the needs of assessing the health status of the kiln body.
[0028] A first lead screw 6 is installed on the top of the main body 4, and a first motor 5 is installed on the top of the main body 4. The output end of the first motor 5 is fixedly connected to the first lead screw 6; one end of the support arm 12 extends into the interior of the main body 4 and is threadedly engaged with the first motor 5.
[0029] The transverse track 7 is equipped with a second lead screw 13, and a movable seat 14 is threaded onto the outer wall of the second lead screw 13; the bottom end of the movable seat 14 extends to the bottom of the transverse track 7 and is fixed with a dovetail locking block 1401.
[0030] A second motor 16 is installed at one end of the transverse track 7, and the output end of the second motor 16 is fixedly connected to the second lead screw 13.
[0031] Specifically, the first motor 5 is started by the control panel 11 to drive the first lead screw 6 to rotate, so that the support arm 12 drives the transverse track 7 to rise and adjust the infrared thermal imager 15 to a suitable height. Then, the second motor 16 is started to drive the second lead screw 13 to rotate, so that the movable seat 14 drives the infrared thermal imager 15 to move horizontally.
[0032] The top of the infrared thermal imager 15 is provided with a dovetail slide groove 1501, which slides and engages with the dovetail locking block 1401; a locking block 17 is installed on one side of the bottom of the movable seat 14 via a rotating shaft, and the locking block 17 is in contact with the infrared thermal imager 15.
[0033] In addition, by rotating the locking block 17 upwards and pulling the infrared thermal imager 15 laterally to separate the dovetail slide 1501 from the dovetail locking block 1401, the infrared thermal imager 15 can be removed from the lower end of the movable seat 14. The infrared thermal imager 15 adopts a quick-release installation method, which is convenient for inspection and maintenance.
[0034] In this embodiment, the following steps are taken during use: First, the first motor 5 is started via the control panel 11 to drive the first lead screw 6 to rotate, causing the support arm 12 to lift the transverse track 7 and adjust the infrared thermal imager 15 to a suitable height. Second, the second motor 16 is started to drive the second lead screw 13 to rotate, causing the movable seat 14 to move the infrared thermal imager 15 horizontally. The infrared thermal imager 15 monitors the temperature and distribution of the electric kiln body 1 using dynamic scanning. Then, the piezoelectric accelerometer 10 installed on the outer wall of the electric kiln body 1 detects abnormal vibration spectra during kiln operation. The fiber optic grating sensor 18 embedded in the refractory layer of the inner wall of the electric kiln body 1 monitors structural deformation and stress in real time. The acoustic emission sensor 9 on the inner wall of the electric kiln door 8 captures the acoustic signals of refractory material cracking and peeling, and is inserted into the outer wall of the flue 2 for detection. Gas sensor 3 in port 201 detects the oxygen and carbon monoxide concentrations inside the electric kiln body 1. The above monitoring data are transmitted to control panel 11 for analysis and processing. This device adopts multi-dimensional sensor fusion, which comprehensively covers the mechanical, thermal, and chemical state of the kiln body by combining multiple parameters such as temperature, vibration, strain, acoustic emission, and gas. It can monitor potential risks such as kiln body structural deformation, refractory material deterioration, and local overheating in real time, and realizes the detection means of dynamic stress and vibration abnormalities of the kiln body, meeting the needs of assessing the health status of the kiln body. Then, rotate the locking block 17 to the top and pull the infrared thermal imager 15 horizontally to separate the dovetail slide 1501 from the dovetail locking block 1401. The infrared thermal imager 15 can then be removed from the lower end of the movable seat 14. The infrared thermal imager 15 adopts a quick-release installation method, which is convenient for inspection and maintenance.
[0035] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.
Claims
1. A kiln body health monitoring device for a ceramic electric kiln production, comprising an electric kiln body (1), one end of the electric kiln body (1) is provided with an electric kiln door body (8), one side of the top end of the electric kiln body (1) is provided with a flue (2), and the outer wall of the flue (2) is provided with a detection port (201), characterized in that, One side of the electric kiln body (1) is provided with a device body (4), one side of the device body (4) is provided with a support arm (12), and one end of the support arm (12) is fixed with a horizontal moving track (7), the lower side of the horizontal moving track (7) is provided with an infrared thermal imager (15), a control panel (11) is installed on the outer wall of the device body (4), a fiber bragg grating sensor (18) is installed on the inner wall of the electric kiln body (1), a piezoelectric acceleration sensor (10) is installed on the outer wall of one side of the electric kiln body (1), a sound emission sensor (9) is installed on the inner wall of the electric kiln door body (8), and a gas sensor (3) is inserted in the detection port (201).
2. A kiln body health monitoring device for use in a ceramic firing kiln as claimed in claim 1, characterized in that: A first lead screw (6) is installed on the top of the device body (4), and a first motor (5) is installed at the top end of the device body (4), and the output end of the first motor (5) is fixedly connected with the first lead screw (6).
3. The kiln body health monitoring device for ceramic firing electric kiln production of claim 1, characterized in that: One end of the support arm (12) extends to the inside of the device body (4) and is threadedly engaged with the first motor (5).
4. The kiln health monitoring device for ceramic firing kilns according to claim 1, characterized in that: A second lead screw (13) is installed in the horizontal moving track (7), and a movable seat (14) is threadedly sleeved on the outer wall of the second lead screw (13).
5. A kiln health monitoring device for use in the production of ceramic fired electrical kilns as claimed in claim 4, characterised in that: The bottom end of the movable seat (14) extends to the lower side of the horizontal moving track (7) and is fixed with a dovetail clamping block (1401).
6. A kiln body health monitoring device for use in the production of ceramic fired electrical kilns as claimed in claim 1, characterised in that: A second motor (16) is installed at one end of the horizontal moving track (7), and the output end of the second motor (16) is fixedly connected with the second lead screw (13).
7. A kiln body health monitoring device for use in the production of ceramic fired electrical kilns as claimed in claim 1, characterised in that: The top end of the infrared thermal imager (15) is provided with a dovetail sliding groove (1501), and the dovetail sliding groove (1501) is slidably clamped with the dovetail clamping block (1401).
8. A kiln body health monitoring device for use in the production of a ceramic fired electric kiln as claimed in claim 4, characterised in that: A lock block (17) is installed on one side of the bottom end of the movable seat (14) through a rotating shaft, and the lock block (17) is attached to the infrared thermal imager (15).
Citation Information
Patent Citations
Electric kiln control and fault detection device
CN212747904U