A boiler electric eye offline detection device

Abstract

The utility model discloses an off-line detection device for electric eyes of boilers, including a power supply, a current detector and a light source, wherein the power supply is used to provide electric energy for the electric eye to be detected, the light source is used to provide an optical signal for the electric eye to be detected, so that a photoelectric effect occurs when the electric eye to be detected is normal, and the current detector is connected with the electric eye to be detected and the power supply to form a loop, wherein after the light source provides an optical signal to the electric eye to be detected in the loop, the current detector will obtain and output a current signal when the electric eye to be detected is normal, and will not output a current signal when the electric eye to be detected is abnormal. The power supply is used to provide electric energy to the electric eye to be detected, the light source is used to provide an optical signal for the electric eye to be detected, and a loop is formed with the current detector, so that when the electric eye to be detected is normal, a photoelectric effect occurs, so that the loop current changes and is detected, so that the performance of the boiler electric eye can be quickly detected, and the labor intensity of maintenance personnel can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler electric eye detection, in particular to an off-line detection device for a boiler electric eye. Background Art

[0002] Boiler ignition is a key step in the boiler system, which directly affects the normal operation and efficiency of the boiler.

[0003] Oil and gas boilers often shut down due to ignition system problems. The burner electric eye is an important component in the ignition system that detects the flame in the boiler furnace during operation. However, since there is no special instrument to detect the electric eye, it is difficult to quickly determine whether the electric eye is faulty, resulting in a long maintenance time for boiler ignition system failures, high labor intensity, and long production time.

[0004] Therefore, an intuitive visual detection device is needed to perform rapid offline detection of boiler burner electric eyes to meet maintenance needs, solve the problems of high maintenance intensity, difficulty and high spare parts consumption of boiler ignition system, reduce the labor intensity of maintenance personnel, and ensure production efficiency and reliability. Utility Model Content

[0005] The utility model aims to provide a boiler electric eye offline detection device which is intuitive and easy to operate, so as to achieve the purpose of quickly detecting the performance of the boiler electric eye and reducing the labor intensity of maintenance personnel.

[0006] In order to solve the above technical problems, an embodiment of the utility model provides a boiler electric eye offline detection device, including a power supply, a current detector and a light source, wherein the power supply is used to provide electric energy to the electric eye to be detected, and the light source is used to provide an optical signal to the electric eye to be detected, so that a photoelectric effect will occur when the electric eye to be detected is normal, and the current detector is connected to the electric eye to be detected and the power supply to form a loop, wherein after the light source provides the optical signal to the electric eye to be detected in the loop, the current detector will obtain and output the current signal when the electric eye to be detected is normal, and will not output the current signal when the electric eye to be detected is abnormal.

[0007] Among them, it also includes an electric eye support for fixing the electric eye to be detected, the electric eye support includes an electric eye support and a wiring terminal connected to the electric eye support, the electric eye support is provided with a circular groove for fixing the electric eye to be detected, and the circular groove is provided with a key groove, the electric eye signal line for the electric eye to be detected is led out through the key groove and connected to the wiring terminal, the wiring terminal is connected to the power supply, and the power supply supplies power to the electric eye to be detected through the wiring terminal.

[0008] It also includes an electric control box shell for installing the power supply and the current detector. The electric control box shell is a cylindrical electric control box shell or a rectangular shell. The electric eye bracket and the wiring terminal are arranged on the same side of the electric control box shell.

[0009] It also includes a fuse and an air switch connected to the output line of the power supply. The fuse is used to protect the power supply by disconnecting the circuit when the current in the circuit exceeds a certain value. The air switch is used to disconnect the circuit when the circuit is overloaded. The fuse and the air switch are installed on the same side of the electrical control box housing.

[0010] It also includes a power socket arranged on the electrical control box housing and connected to the power supply, the power socket is a three-hole power socket, the ground end of the three-hole power socket is connected to the electrical control box housing through a yellow-green two-color line, and the power socket and the fuse are installed on the same side of the electrical control box housing.

[0011] Wherein, the current detector is an ammeter or a current indicator, the ammeter is a milliammeter, the range of the milliammeter is 0-1 mA, and the current detector is installed on the side of the electric control box housing.

[0012] It also includes a voltage regulator connected to the power supply and a voltmeter arranged at the output end of the voltage regulator, the voltage regulator is used to adjust the voltage value applied to the two ends of the electric eye to be detected, the voltage regulator has a voltage regulation range of 0-400 volts, the voltmeter is used to detect the voltage value applied to the two ends of the electric eye to be detected, the voltage regulator is arranged on the top of the electric control box housing, and the voltmeter and the current detector are arranged on the same side of the electric control box housing.

[0013] Among them, it also includes heat dissipation holes arranged on the electric control box housing, the shape of the heat dissipation holes is circular or square, and a plurality of the heat dissipation holes are arranged in an array on the electric control box housing.

[0014] Wherein, it also includes at least one handle arranged on the top or side of the electric control box housing.

[0015] Among them, it also includes a light source fixing seat for fixing the light source, the light source fixing seat includes a light source fixing frame and a height adjuster, the height adjuster is used to adjust the height of the light source after the light source is fixed by the light source fixing frame, so as to adjust the distance between the light source and the electric eye to be detected, and the light source is an alcohol lamp light source or an ultraviolet light source.

[0016] The boiler electric eye offline detection device provided by the embodiment of the utility model has the following advantages compared with the prior art:

[0017] The boiler electric eye offline detection device provides electric energy to the electric eye to be detected through a power supply, provides an optical signal to the electric eye to be detected through a light source, and forms a loop with a current detector, so that when the electric eye to be detected is normal, a photoelectric effect will occur, causing the loop current to change and be detected, so that rapid detection of boiler electric eye performance can be achieved and the labor intensity of maintenance personnel can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the front structure of an embodiment of a boiler electric eye offline detection device provided by the utility model;

[0020] Figure 2 A schematic diagram of the three-dimensional structure of an embodiment of a boiler electric eye offline detection device provided by the utility model;

[0021] Figure 3 A schematic diagram of the circuit structure of an embodiment of a boiler electric eye offline detection device provided by the utility model;

[0022] Among them, 1-electric control box housing; 2-current detector; 3-voltmeter; 4-voltage regulator; 5-fuse; 6-air switch; 7-power socket; 8-wiring terminal; 9-electric eye support; 10-alcohol lamp bracket; 11-alcohol lamp. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Please refer to Figure 1-3 , Figure 1 A schematic diagram of the front structure of an embodiment of a boiler electric eye offline detection device provided by the utility model; Figure 2 A schematic diagram of the three-dimensional structure of an embodiment of a boiler electric eye offline detection device provided by the utility model; Figure 3A schematic diagram of the circuit structure of an embodiment of a boiler electric eye offline detection device provided in an embodiment of the utility model.

[0025] In a specific embodiment, the boiler electric eye offline detection device includes a power supply, a current detector 2 and a light source, wherein the power supply is used to provide electric energy to the electric eye to be detected, and the light source is used to provide an optical signal to the electric eye to be detected, so that a photoelectric effect will occur when the electric eye to be detected is normal, and the current detector is connected to the electric eye to be detected and the power supply to form a loop, wherein after the light source provides the optical signal to the electric eye to be detected in the loop, the current detector will obtain and output the current signal when the electric eye to be detected is normal, and will not output the current signal when the electric eye to be detected is abnormal.

[0026] The power supply provides electrical energy to the electric eye to be detected, and the light source provides an optical signal to the electric eye to be detected, and forms a loop with the current detector. When the electric eye to be detected is normal, a photoelectric effect will occur, causing the loop current to change and be detected. This can achieve rapid detection of boiler electric eye performance and reduce the labor intensity of maintenance personnel.

[0027] In order to further improve the convenience of testing, in one embodiment, the boiler electric eye offline detection device also includes an electric eye support 9 for fixing the electric eye to be detected, the electric eye support 9 includes an electric eye bracket and a wiring terminal 8 connected to the electric eye bracket, the electric eye bracket is provided with a circular groove for fixing the electric eye to be detected, and a key groove is provided in the circular groove. The electric eye signal line of the electric eye to be detected is led out through the key groove and connected to the wiring terminal 8. The wiring terminal 8 is connected to the power supply, and the power supply supplies power to the electric eye to be detected through the wiring terminal 8.

[0028] The electric eye to be detected can be fixed by the electric eye support 9. The circular groove fixing method has a simple structure and does not require other fixing methods such as clamping or bolting. The electric eye to be detected can be fixed by simply placing it in the circular groove. There is no need to process the electric eye to be detected or add other components.

[0029] The present application includes but is not limited to the above-mentioned fixing methods. Other structures may also be provided to fix the electric eye to be detected by means of snap-on connection or the like.

[0030] In order to further facilitate the testing of the test object and improve the convenience of movement, in one embodiment, the boiler electric eye offline detection device also includes an electric control box shell for installing the power supply and the current detector, and the electric control box shell is a cylindrical electric control box shell or a rectangular shell, and the electric eye bracket and the terminal block 8 are arranged on the same side of the electric control box shell.

[0031] By providing an electric control box housing, relevant components can be integrated and protected, which improves the convenience and reliability of use and enables rapid movement.

[0032] This application does not limit the material, size, shape of the electric control box housing and the installation method of the corresponding equipment.

[0033] In order to further improve the efficiency of device application, in one embodiment, the boiler electric eye offline detection device also includes a fuse 5 and an air switch 6 connected to the output line of the power supply. The fuse 5 is used to protect the power supply by disconnecting the circuit when the current in the circuit exceeds a certain value. The air switch 6 is used to disconnect the circuit after the circuit is overloaded. The fuse 5 and the air switch 6 are installed on the same side of the electrical control box housing.

[0034] By setting the fuse 5 and the air switch 6, it can be ensured that during use, no damage will occur due to excessive current. At the same time, by setting the air switch 6, the situation that the fuse 5 may not be completely blown can be avoided, and the circuit can be completely disconnected, thereby ensuring the reliability of other equipment in the entire circuit.

[0035] The present application does not limit the configuration and type of the fuse 5 and the air switch 6, and other types of circuit protection devices may also be used.

[0036] The power supply in the present application can be battery-powered, but the cost of use is increased. In order to realize external power supply, in one embodiment, the boiler electric eye offline detection device also includes a power socket 7 arranged on the electrical control box housing and connected to the power supply. The power socket 7 is a three-hole power socket 7. The ground end of the three-hole power socket 7 is connected to the electrical control box housing through a yellow-green two-color line. The power socket 7 and the fuse 5 are installed on the same side of the electrical control box housing.

[0037] Through the setting of the power socket 7, an external power supply can be realized, which improves the convenience of use. The ground end of the three-hole power socket 7 is connected to the electric control box housing through a yellow-green two-color line to achieve grounding operation, which further improves the safety and reliability during use.

[0038] The position and arrangement of the power socket 7 are not limited in this application.

[0039] In the present application, a current detector is used for current detection, and its type is not limited. The current detector is an ammeter or a current indicator, or other current detection devices. In one embodiment, the ammeter is a milliammeter, and the range of the milliammeter is 0-1 mA. The current detector is installed on the side of the electrical control box housing.

[0040] In order to further realize the detection of different types of electric eyes, in one embodiment, the boiler electric eye offline detection device also includes a voltage regulator 4 connected to the power supply and a voltmeter 3 arranged at the output end of the voltage regulator 4, the voltage regulator 4 is used to adjust the voltage value applied to the two ends of the electric eye to be detected, the voltage regulator 4 is a voltage regulator 4 with a voltage regulation range of 0-400 volts, the voltmeter 3 is used to detect the voltage value applied to the two ends of the electric eye to be detected, the voltage regulator 4 is arranged on the top of the electric control box housing, and the voltmeter 3 and the current detector are arranged on the same side of the electric control box housing.

[0041] By adjusting the voltage value at both ends of the electric eye to be detected by the voltage regulator 4, detection of electric eyes of different types and models can be realized. At the same time, if the external voltage is unstable, or when a battery is used for detection, the voltage drops, the measurement can be continued by adjusting the voltage, thereby improving the efficiency of the measurement.

[0042] By setting the voltmeter 3 at the output end of the voltage regulator 4, the regulation effect is detected in real time, thereby improving the accuracy of the regulation.

[0043] The present application does not limit the types and ranges of the voltage regulator 4 and the voltmeter 3 .

[0044] Since the corresponding equipment will generate heat during operation, if the temperature is too high, on the one hand, it will cause unreliable detection, and on the other hand, it will cause equipment damage. In one embodiment, the boiler electric eye offline detection device also includes a heat dissipation hole arranged in the electrical control box shell, and the shape of the heat dissipation hole is circular or square, and a plurality of the heat dissipation holes are arranged in an array in the electrical control box shell.

[0045] The heat dissipation inside the electric control box housing is achieved by setting the heat dissipation holes, which improves the reliability of use. The present application does not limit the type and number of heat dissipation holes.

[0046] In order to further improve the convenience of use, in one embodiment, the boiler electric eye offline detection device also includes at least one handle arranged on the top or side of the electric control box housing.

[0047] By setting the handle, the device can be quickly moved, thereby improving the convenience of use.

[0048] The material and installation method of the handle are not limited in this application.

[0049] Since different light sources have different sizes during the actual detection process, in order to reduce the variability of detection, in one embodiment, the boiler electric eye offline detection device also includes a light source fixing seat for fixing the light source, and the light source fixing seat includes a light source fixing frame and a height adjuster. The height adjuster is used to adjust the height of the light source after the light source is fixed by the light source fixing frame, so as to adjust the distance between the light source and the electric eye to be detected. The light source is an alcohol lamp light source or an ultraviolet light source.

[0050] By setting a light source fixing seat, the light source is fixed and the height is adjusted. After the light source is fixed on the light source fixing frame by a height adjuster, the height of the light source is adjusted to adjust the distance between the light source and the electric eye to be detected, thereby ensuring the precise adjustment of the distance between the light source and the electric eye to be detected and improving the reliability of detection.

[0051] The type of light source is not limited in the present application, and the light source is an alcohol lamp light source or an ultraviolet light source, or other light sources.

[0052] In one embodiment, the boiler electric eye offline detection device has a structure as follows: Figure 1 , 2 The corresponding circuit diagram is shown in Figure 3 As shown, it includes an electric control box and a light source. The electric control box provides working power for the electric eye and is equipped with an ammeter. The electric eye support 9 is installed on one side of the electric control box to fix the electric eye to be detected. The ammeter displays the current signal emitted by the electric eye when it is working, and the light source provides light signals for the electric eye detection.

[0053] The housing of the electric control box is a square housing, in which the fuse 5 and the voltage regulator 4 are installed, and the power socket 7, the air switch 6, the ammeter, the voltmeter 3, the wiring terminal 8, and the electric eye support 9 are installed on the housing.

[0054] The power socket 7 of the electric control box is three-hole, and the three-hole ground terminal is connected to the electric control box shell through a yellow-green two-color wire. The voltage regulator 4 has an output of 0-400 volts and can be adjusted between 0-400 volts. The range of the voltmeter 3 is 0-450 volts, and the output voltage of the voltage regulator 4 is adjusted between 340 and 344 volts. The output line of the voltage regulator 4 is connected to the wiring terminal 8 of the electric control box. The shell is provided with heat dissipation holes for heat dissipation.

[0055] The ammeter is a milliammeter with a range of 0-1 mA. The milliammeter is installed on the power box. The electric eye support 9 is fixed on the side of the electric control box and is located on the same surface as the wiring terminal 8 on the side of the electric control box. The electric eye support 9 has a circular groove, and the electric eye to be detected is placed in the circular groove of the support and fixed.

[0056] A keyway is provided in the circular groove of the electric eye support 9, so that the electric eye signal line can be led out through the keyway and connected to the wiring terminal 8 on the electric control box.

[0057] The light source comprises an alcohol lamp support 10 and an alcohol lamp 11. The alcohol lamp support 10 is movable and adjustable, and the alcohol lamp 11 is placed on the alcohol lamp support 10. The alcohol lamp 10 is placed within a range of 10-40 mm from the front of the electric eye photoreceptor by a scale control, and the flame of the alcohol lamp is adjusted to be level with the electric eye photoreceptor.

[0058] The above technical solution has the following beneficial effects:

[0059] When testing the electric eye, use the above device to fix the electric eye to be tested in the electric eye support 9 on the side of the electric control box, and connect the two signal lines of the electric eye to the corresponding terminals of the electric control box terminal 8. Plug the power cord plug into the electric control box on one side and connect it to the external power socket 7 on the other side, and turn on the air switch 6 of the electric control box to power on. Light the alcohol lamp 10 with a lighter and check whether the ammeter pointer on the electric control box swings. If the pointer swings, the electric eye is intact. If the pointer does not swing, the electric eye is broken, and the performance of the electric eye can be quickly determined. The ability to quickly detect whether the electric eye is intact is of great significance for determining boiler ignition system failures, reducing boiler maintenance time, and ensuring production steam supply.

[0060] To sum up, the boiler electric eye offline detection device provided in the embodiment of the present application provides electrical energy to the electric eye to be detected through a power supply, provides an optical signal to the electric eye to be detected through a light source, and forms a loop with the current detector, so that when the electric eye to be detected is normal, a photoelectric effect will occur, thereby causing the loop current to change and be detected, thereby realizing rapid detection of the boiler electric eye performance and reducing the labor intensity of maintenance personnel.

[0061] The above is a detailed introduction to the boiler electric eye offline detection device provided by the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A boiler electric eye offline detection device, characterized in that: It includes a power supply, a current detector and a light source, wherein the power supply is used to provide electric energy to the electric eye to be detected, and the light source is used to provide an optical signal to the electric eye to be detected, so that a photoelectric effect will occur when the electric eye to be detected is normal. The current detector is connected with the electric eye to be detected and the power supply to form a loop, wherein after the light source provides the optical signal to the electric eye to be detected in the loop, the current detector will obtain and output the current signal when the electric eye to be detected is normal, and will not output the current signal when the electric eye to be detected is abnormal.

2. The boiler electric eye offline detection device according to claim 1, characterized in that: It also includes an electric eye support for fixing the electric eye to be detected, the electric eye support includes an electric eye support and a wiring terminal connected to the electric eye support, the electric eye support is provided with a circular groove for fixing the electric eye to be detected, the circular groove is provided with a key groove, the electric eye signal line for the electric eye to be detected is led out through the key groove and connected to the wiring terminal, the wiring terminal is connected to the power supply, and the power supply supplies power to the electric eye to be detected through the wiring terminal.

3. The boiler electric eye offline detection device as claimed in claim 2, characterized in that: It also includes an electric control box shell for installing the power supply and the current detector. The electric control box shell is a cylindrical electric control box shell or a rectangular shell. The electric eye bracket and the wiring terminal are arranged on the same side of the electric control box shell.

4. The boiler electric eye offline detection device as claimed in claim 3, characterized in that: It also includes a fuse and an air switch connected to the output line of the power supply. The fuse is used to protect the power supply by disconnecting the circuit when the current in the circuit exceeds a certain value. The air switch is used to disconnect the circuit when the circuit is overloaded. The fuse and the air switch are installed on the same side of the electrical control box housing.

5. The boiler electric eye offline detection device as claimed in claim 4, characterized in that: It also includes a power socket arranged on the electric control box housing and connected to the power supply, the power socket is a three-hole power socket, the ground end of the three-hole power socket is connected to the electric control box housing through a yellow-green two-color line, and the power socket and the fuse are installed on the same side of the electric control box housing.

6. The boiler electric eye offline detection device as claimed in claim 3, characterized in that: The current detector is an ammeter or a current indicator. The ammeter is a milliammeter. The range of the milliammeter is 0-1 mA. The current detector is installed on the side of the electric control box housing.

7. The boiler electric eye offline detection device as claimed in claim 6, characterized in that: It also includes a voltage regulator connected to the power supply and a voltmeter arranged at the output end of the voltage regulator, the voltage regulator is used to adjust the voltage value applied to the two ends of the electric eye to be detected, the voltage regulator has a voltage regulation range of 0-400 volts, the voltmeter is used to detect the voltage value applied to the two ends of the electric eye to be detected, the voltage regulator is arranged on the top of the electric control box housing, and the voltmeter and the current detector are arranged on the same side of the electric control box housing.

8. The boiler electric eye offline detection device as claimed in claim 3, characterized in that: It also includes a heat dissipation hole arranged on the electric control box housing, the heat dissipation hole is circular or square in shape, and a plurality of the heat dissipation holes are arranged in an array on the electric control box housing.

9. The boiler electric eye offline detection device as claimed in claim 3, characterized in that: It also includes at least one handle arranged on the top or side of the electric control box housing.

10. The boiler electric eye offline detection device according to any one of claims 1 to 9, characterized in that: It also includes a light source fixing seat for fixing the light source, the light source fixing seat includes a light source fixing frame and a height adjuster, the height adjuster is used to adjust the height of the light source after the light source is fixed by the light source fixing frame, so as to adjust the distance between the light source and the electric eye to be detected, and the light source is an alcohol lamp light source or an ultraviolet light source.

Images