CN212807324U - Infrared temperature measurement system of sealing device of accident coal breakage material returning port - Google Patents
Infrared temperature measurement system of sealing device of accident coal breakage material returning port Download PDFInfo
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- CN212807324U CN212807324U CN202021895325.8U CN202021895325U CN212807324U CN 212807324 U CN212807324 U CN 212807324U CN 202021895325 U CN202021895325 U CN 202021895325U CN 212807324 U CN212807324 U CN 212807324U
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Abstract
The utility model discloses an infrared temperature measurement system of material mouth closing means is returned to accident coal breakage, including infrared thermometer, spray set, control module, frequency conversion module, display module and alarm device, infrared thermometer, frequency conversion module, display module and alarm device respectively with control module electric connection, infrared thermometer demountable installation is in defeated coal belt conveying direction upstream top or next door, spray set installs in defeated coal belt conveying direction downstream top or next door, spray set includes shower head, water pipe, spray bracket and solenoid valve, the shower head has a plurality ofly, and is a plurality of the equidistant installation on the water pipe of shower head, the water pipe is fixed on spray bracket, the solenoid valve passes through the water pipe and is connected with the shower head, solenoid valve and control module electric connection. The utility model discloses operation maintenance is convenient, and temperature measurement range is big, and sensitivity is high, the accuracy is high.
Description
Technical Field
The utility model relates to a coal conveying temperature measurement system technical field specifically is an infrared temperature measurement system of accident coal breakage return gate closing means.
Background
Coal is after long-time transportation and storage, because the volatilization of moisture, the spontaneous combustion easily takes place for the influence of factors such as compaction degree change, not only can lead to the fact the potential safety hazard to the belt, if let the coal of spontaneous combustion get into the coal yard, still can cause the loss of bigger area, so on coal-conveying belt especially on returning charge mouth belt, install temperature monitoring equipment additional, will provide the powerful guarantee for coal yard safety, but there is the operation maintenance inconvenience in present temperature measurement system, the temperature measurement scope is little, sensitivity is low, the problem that the accuracy is low.
SUMMERY OF THE UTILITY MODEL
The technique that exists is not enough to the aforesaid, the utility model aims at providing an infrared temperature measurement system of accident coal breakage return gate closing means to solve the problem that provides in the background art.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides an infrared temperature measurement system of material mouth closing means is returned to accident coal breakage, including infrared thermometer, spray set, control module, frequency conversion module, display module and alarm device, infrared thermometer, frequency conversion module, display module and alarm device respectively with control module electric connection, infrared thermometer demountable installation is in defeated coal belt conveying direction upstream top or next door, spray set installs in defeated coal belt conveying direction downstream top or next door, spray set includes shower head, water pipe, spray bracket and solenoid valve, the shower head has a plurality ofly, and is a plurality of the equidistant installation on the water pipe of shower head, the water pipe is fixed on spray bracket, the solenoid valve passes through the water pipe and is connected with the shower head, solenoid valve and control module electric connection.
Preferably, infrared radiation thermometer demountable installation is on adjustable support, adjustable support spanes the setting in coal conveying belt both sides, adjustable support includes two montants and the horizontal pole of being connected perpendicularly with two montants, two montant symmetries are located coal conveying belt's both sides, the horizontal pole level is located the upper portion of two montants, the montant comprises base, telescopic link and bracing piece, telescopic link lower extreme and base fixed connection, the telescopic link upper end is connected with the bracing piece rotation.
Preferably, the telescopic rod is a hydraulic prop.
Preferably, the infrared thermometer is detachably mounted on a protective cover of a material guide groove above the coal conveying belt.
Preferably, the spraying support spans two sides of the coal conveying belt, and the spraying support is in an inverted U shape.
Preferably, the alarm device is an audible and visual alarm.
The beneficial effects of the utility model reside in that:
1. the utility model discloses the infrared temperature measurement system of accident coal breakage return gate closing means satisfies the needs that fortune coal system technology arranged, through infrared thermometer monitoring coal real-time temperature, sensitivity is high, the accuracy is high, through frequency conversion module control coal conveying belt transfer rate, spray fire water through control module control spray set, display module and alarm device have been set up simultaneously, spontaneous combustion takes place for effective prevention coal, for coal yard safety provides the powerful guarantee, infrared thermometer demountable installation is in the upper side or next door of coal conveying belt transfer direction upstream, the temperature measurement scope is big, and the installation, it is convenient to dismantle, easy maintenance.
2. The utility model discloses a set up adjustable bracket, realized that infrared thermometer has increased the temperature measurement scope for the removal regulation of defeated coal belt vertical and horizontal direction, can satisfy different user demands simultaneously.
3. The utility model discloses a set up the infrared thermometer on the guard shield of coal conveying belt top baffle box, can monitor the condition of generating heat of baffle box department coal, monitor from the source of coal conveying belt in other words to need not set up the support, simple to operate, it is nearer apart from coal, monitoring data's accuracy is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a structural connection relationship of an infrared temperature measuring system of an accident coal breakage return port sealing device provided in an embodiment of the present invention;
FIG. 2 is a schematic view of an adjustable stand in an upright position;
FIG. 3 is a schematic view of the adjustable support in a bent state;
FIG. 4 is a schematic view of an adjustable support structure;
FIG. 5 is a schematic view showing the structure of an infrared thermometer mounted on a cover of a chute above a coal belt.
Description of reference numerals:
1-an infrared thermometer, 2-a spraying device, 3-a control module, 4-a frequency conversion module, 5-a display module, 6-an alarm device, 7-an adjustable bracket, 8-a guide chute, 21-a spray header, 22-a water pipe, 23-a spraying bracket, 24-an electromagnetic valve, 71-a vertical rod, 72-a transverse rod, 701-a base, 702-a telescopic rod, 703-a supporting rod and 81-a shield.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
as shown in fig. 1-4, the utility model provides an infrared temperature measurement system of material mouth closing means is returned in accident coal breakage, including infrared thermometer 1, spray set 2, control module 3, frequency conversion module 4, display module 5 and alarm device 6, infrared thermometer 1, frequency conversion module 4, display module 5 and alarm device 6 respectively with control module 3 electric connection, infrared thermometer 1 is used for monitoring the temperature of coal on the coal conveying belt, and frequency conversion module 4 is used for controlling the speed of coal conveying belt, and display module 5 is used for showing measurement temperature and temperature change curve, and alarm device 6 is used for sending out the police dispatch newspaper, alarm device 6 is audible-visual annunciator.
Spray set 2 installs in coal conveying belt direction of transfer low reaches top or one side, spray set 2 includes shower head 21, water pipe 22, sprays support 23 and solenoid valve 24, shower head 21 has a plurality ofly, and is a plurality of shower head 21 is equidistant to be installed on water pipe 22, water pipe 22 is fixed on spraying support 23, it spanes the setting in coal conveying belt both sides to spray support 23 to be the type of falling U, solenoid valve 24 leads to pipe 22 and is connected with shower head 21, solenoid valve 24 and control module 3 electric connection.
The installation height of the infrared thermometer 1 is not less than 800mm, and the detection width range covers the bandwidth of the coal conveying belt and is not less than 1400 mm.
Example 2:
compared with example 1, the difference is only that:
as shown in fig. 5, an infrared temperature measurement system of an accident coal breakage material return opening sealing device is provided with a plurality of infrared temperature measuring instruments 1 which are detachably mounted on a shield 81 of a guide chute 8 above a coal conveying belt, so that the heating condition of coal at the guide chute can be monitored, namely, the heating condition is monitored from the source of the coal conveying belt, a support does not need to be arranged, the installation is convenient, the infrared temperature measurement system is mounted on the shield 81 of the guide chute 8, the distance from the coal is short, and the accuracy of monitoring data is high.
The working principle is as follows: the infrared thermometer 1 monitors the real-time temperature of coal on a coal conveying belt, data are transmitted to a control module 3, the control module 3 transmits the data to a display module 5, the display module 5 displays the measured temperature and a temperature change curve, the control module 3 judges whether the current coal temperature is abnormal or not according to analysis data, if the current coal temperature is abnormal, the control module 3 controls an alarm device 6 to give an alarm, and sends an instruction to open an electromagnetic valve 24 and is interlocked with a frequency conversion module 4 for controlling the speed of a coal conveying belt, the speed of the coal conveying belt is reduced to one half of the current speed, fire water is sprayed out from a spray head 21 under the control of the electromagnetic valve 24 so as to achieve the purpose of extinguishing naked fire or reducing the temperature of the coal, and then when the infrared thermometer 1 monitors that the temperature of the coal is recovered to be normal, the data are transmitted to the control module 3, and the control module 3 sends a, the frequency conversion module 4 controls the coal conveying belt to recover to normal speed operation.
The temperature measurement value of each probe of the infrared thermometer 1 is represented by an analog quantity signal, each probe can output two switching value alarm signals with the temperature higher by one value and higher by two values, all groups of signals are verified mutually, and when the temperature deviation between two probes in each group exceeds a set value, an alarm signal with the large temperature deviation can be output. The infrared thermometer 1 measures the surface temperature of an object based on the energy change of a monitoring area instead of simply, so as to avoid false alarm triggered when the surface of the coal conveying belt is subjected to temperature change due to the influence of other factors such as sunlight. Either in response to burning open flames or in response to "hot spots" located beneath the surface. The false alarm rate of the system is not more than 5%.
The sensitivity of the infrared thermometer 1 can meet the requirement that coal with the area of 250mm multiplied by 250mm and the temperature of more than or equal to 100 ℃ passes through the detection area of the infrared thermometer 1 at the speed of less than or equal to 6m/s, and is found in time and sends out correct instructions. The response speed of the infrared thermometer 1 is microsecond level so as to meet the requirement of detecting the hidden danger of a heat source which moves rapidly on the belt, and the sensitivity of the infrared thermometer 1 can be adjusted so that a user can set the infrared thermometer according to the situation.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The infrared temperature measurement system is characterized by comprising an infrared thermometer, a spraying device, a control module, a frequency conversion module, a display module and an alarm device, wherein the infrared thermometer, the frequency conversion module, the display module and the alarm device are respectively and electrically connected with the control module, the infrared thermometer is detachably mounted above or beside an upstream coal conveying belt in a conveying direction, the spraying device is mounted above or beside a downstream coal conveying belt in the conveying direction, the spraying device comprises a plurality of spraying heads, a water pipe, a spraying support and an electromagnetic valve, the plurality of spraying heads are mounted on the water pipe at equal intervals, the water pipe is fixed on the spraying support, the electromagnetic valve is connected with the spraying heads through the water pipe, and the electromagnetic valve is electrically connected with the control module.
2. The infrared temperature measurement system of the sealing device of the accident coal breakage return opening according to claim 1, wherein the infrared temperature measurement instrument is detachably mounted on an adjustable support, the adjustable support is arranged on two sides of the coal conveying belt in a crossing manner, the adjustable support comprises two vertical rods and a cross rod vertically connected with the two vertical rods, the two vertical rods are symmetrically arranged on two sides of the coal conveying belt, the cross rod is horizontally arranged on the upper portions of the two vertical rods, the vertical rods are composed of a base, a telescopic rod and a support rod, the lower end of the telescopic rod is fixedly connected with the base, and the upper end of the telescopic rod is rotatably connected with the support rod.
3. The infrared temperature measurement system for the sealing device of the accident coal breakage return opening according to claim 2, wherein the telescopic rod is a hydraulic prop.
4. The infrared temperature measurement system of the sealing device of the accidental coal breakage return opening according to claim 1, wherein the infrared temperature measurement instrument is detachably mounted on a protective cover of a material guide chute above the coal conveying belt.
5. The infrared temperature measurement system of the sealing device of the accident coal breakage return opening according to claim 1, wherein the spraying brackets are arranged on two sides of the coal conveying belt in a crossing manner, and the spraying brackets are in an inverted U shape.
6. The infrared temperature measurement system for the sealing device of the accidental coal breakage return opening according to claim 1, wherein the alarm device is an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895325.8U CN212807324U (en) | 2020-09-03 | 2020-09-03 | Infrared temperature measurement system of sealing device of accident coal breakage material returning port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895325.8U CN212807324U (en) | 2020-09-03 | 2020-09-03 | Infrared temperature measurement system of sealing device of accident coal breakage material returning port |
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| Publication Number | Publication Date |
|---|---|
| CN212807324U true CN212807324U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021895325.8U Active CN212807324U (en) | 2020-09-03 | 2020-09-03 | Infrared temperature measurement system of sealing device of accident coal breakage material returning port |
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| Country | Link |
|---|---|
| CN (1) | CN212807324U (en) |
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- 2020-09-03 CN CN202021895325.8U patent/CN212807324U/en active Active
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