Water bath testing device for fire sprinkler thermosensitive element

Abstract

The utility model discloses a water bath testing device for a thermosensitive element of a fire sprinkler. The water bath testing device comprises a water bath heating assembly, a stirring assembly, a temperature monitoring assembly and a sample placing disc, the water bath heating assembly is composed of a base support, a water bath pool and an electric heating pipe, the stirring assembly comprises a stirring paddle, a stirring shaft, a stirring driver and a stirrer support, and the temperature monitoring assembly comprises an electronic temperature sensor, a temperature sensor support and a physical temperature sensor. The sample placing disc is located in the water bath pool and used for placing a plurality of fire sprinkler thermosensitive elements. Through the stirring effect of the stirring assembly, the temperature of liquid in the water bath pool is uniformly distributed, and meanwhile, the accuracy of temperature data is ensured by adopting a dual-temperature monitoring means. The sample placing disc is provided with a handle, so that samples can be conveniently placed and taken out. The device can effectively simulate the actual working condition, improves the reliability and accuracy of the test result, and provides powerful support for the quality detection of the fire-fighting nozzle thermosensitive element.

Description

Technical Field

[0001] The utility model relates to an experimental device for fire-fighting equipment, in particular to a water bath testing device for the heat-sensitive element of a fire sprinkler head. Background Art

[0002] In a fire-fighting system, the heat-sensitive element of a fire sprinkler head is a key component, and its performance directly affects the response speed and fire-extinguishing effect of the sprinkler head during a fire. In order to ensure the quality and reliability of the heat-sensitive element, it needs to be strictly tested. Traditional testing methods usually use simple water bath heating, but there are the following problems:

[0003] The temperature distribution is uneven, resulting in inconsistent heating of the heat-sensitive element and affecting the accuracy of the test results. The temperature monitoring means is single, and it is impossible to obtain temperature data in real time and accurately. The placement and operation of samples are inconvenient, affecting the test efficiency and safety. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a water bath testing device for the heat-sensitive element of a fire sprinkler head.

[0005] To achieve the above purpose, the utility model is implemented according to the following technical solution:

[0006] The utility model includes a water bath heating component, a stirring component, a temperature monitoring component and a sample placement tray. The stirring end of the stirring component is located in the water bath heating component, the detection end of the temperature monitoring component is located in the water bath heating component, the sample placement tray is located in the water bath heating component, and multiple heat-sensitive elements of fire sprinkler heads are placed on the sample placement tray.

[0007] The water bath heating component includes a base bracket, a water bath pool and an electric heating tube. The water bath pool is placed on the base bracket, the electric heating tube is placed in the water bath pool, water is injected into the water bath pool, the sample placement tray is located in the upper section of the water bath pool, the stirring end of the stirring component is located in the middle section of the water bath pool, the detection end of the temperature monitoring component is located in the water bath pool, and the temperature monitoring component and the stirring component are fixed on one side of the base bracket.

[0008] The stirring component includes a stirring paddle, a stirring shaft, a stirring drive motor and a stirrer bracket. The stirring paddle is located in the middle section of the water bath pool. The lower end of the stirring shaft is fixedly connected to the middle part of the stirring paddle. The upper end of the stirring shaft is connected to the drive shaft of the stirring drive motor. The stirring drive motor is located above the water bath pool, and one side of the stirring drive motor is fixed on one side of the base bracket through the stirrer bracket.

[0009] The temperature monitoring component includes an electronic temperature sensor, a temperature sensor bracket, and a physical temperature sensor. The lower end of the temperature sensor bracket is fixedly connected to one side of the upper end of the base bracket. The electronic temperature sensor and the physical temperature sensor are fixed to one side of the upper end of the temperature sensor bracket, and the detection ends of the electronic temperature sensor and the physical temperature sensor are located in the water bath.

[0010] Preferably, a sample tray handle is provided on one side of the sample placement tray. One end of the sample tray handle is fixedly connected to the side of the sample placement tray, and the other end of the sample tray handle is located outside the water bath.

[0011] The beneficial effects of the present utility model are:

[0012] The present utility model is a water bath test device for the thermal sensitive element of a fire sprinkler. Compared with the prior art, the present utility model has the following remarkable technical effects:

[0013] Temperature uniformity: Through the stirring action of the stirring component, the liquid in the water bath flows sufficiently, ensuring uniform heating of the thermal sensitive element and improving the reliability of the test results.

[0014] Accurate temperature monitoring: Dual monitoring is adopted with an electronic temperature sensor and a physical temperature sensor to obtain temperature data in real time and accurately, facilitating precise control of the test process.

[0015] Operational convenience: The sample placement tray is designed with a handle, which is convenient for placing and removing samples, improving the operational convenience and safety.

[0016] Data collection and analysis: Temperature and temperature change curve data are collected by a computer, and at the same time, the rupture time and state of the thermal sensitive element are recorded, providing rich data support for subsequent analysis. Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic side structural diagram of the present utility model;

[0019] Figure 3 is a schematic top view structural diagram of the present utility model.

[0020] In the figure: base bracket 1, water bath 2, electric heating tube 3, stirring paddle 4, stirring shaft 5, stirring drive 6, mixer bracket 7, sample placement tray 8, sample tray handle 9, electronic temperature sensor 10, temperature sensor bracket 11, physical temperature sensor 12 Detailed Embodiments

[0021] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. The illustrative embodiments and explanations of this utility model are used to explain the present utility model, but do not limit the present utility model.

[0022] As Figures 1-3 shown: The present utility model includes a water bath heating component, a stirring component, a temperature monitoring component, and a sample placement tray 8. The stirring end of the stirring component is located inside the water bath heating component, the detection end of the temperature monitoring component is located inside the water bath heating component, the sample placement tray 8 is located inside the water bath heating component, and a plurality of fire sprinkler thermal elements are placed on the sample placement tray 8.

[0023] The water bath heating component includes a base bracket 1, a water bath 2, and an electric heating tube 3. The water bath 2 is placed on the base bracket 1, the electric heating tube 3 is placed inside the water bath 2, water is injected into the water bath 2, the sample placement tray 8 is located in the upper section inside the water bath 2, the stirring end of the stirring component is located in the middle section inside the water bath 2, the detection end of the temperature monitoring component is located inside the water bath 2, and the temperature monitoring component and the stirring component are fixed on one side of the base bracket 1.

[0024] The stirring component includes a stirring paddle 4, a stirring shaft 5, a stirring drive motor 6, and a stirrer bracket 7. The stirring paddle 4 is located in the middle section inside the water bath 2. The lower end of the stirring shaft 5 is fixedly connected to the middle of the stirring paddle 4. The upper end of the stirring shaft 5 is connected to the drive shaft of the stirring drive motor 6. The stirring drive motor 6 is located above the water bath 2, and one side of the stirring drive motor 6 is fixedly connected to one side of the base bracket 1 through the stirrer bracket 7.

[0025] The temperature monitoring component includes an electronic temperature sensor 10, a temperature sensor bracket 11, and a physical temperature sensor 12. The lower end of the temperature sensor bracket 11 is fixedly connected to one side of the upper end of the base bracket 1. The electronic temperature sensor 10 and the physical temperature sensor 12 are fixed to one side of the upper end of the temperature sensor bracket 11, and the detection ends of the electronic temperature sensor 10 and the physical temperature sensor 12 are located inside the water bath 2.

[0026] Preferably, a sample tray handle 9 is provided on one side of the sample placement tray 8. One end of the sample tray handle 9 is fixedly connected to the side of the sample placement tray 8, and the other end of the sample tray handle 9 is located outside the water bath 2.

[0027] The working principle of the present utility model is as follows:

[0028] During use, first ensure that there is enough liquid in the water bath 2 to cover the heat-sensitive element of the sprinkler head. After the sprinkler head placed on the sample placement tray 8 is immersed in the liquid, the distance between the heat-sensitive element and the liquid surface is 1.77 (40 ± 5 mm). If water is used as the liquid, the termination set temperature shall not be greater than 203°F (95°C); if glycerol is used, it shall not be greater than 392°F (200°C). The blender support 7 is a support that can adjust the lifting and the position of the stirring drive 6. Lift the stirring paddle 4 away from the liquid surface, place the sprinkler head equipped with the heat-sensitive element into the sample placement tray 8, and place the loaded sample placement tray 8 into the water bath 2, ensuring that the sample placement tray 8 and the heat-sensitive element on the sprinkler head operate at approximately the same horizontal height; start the stirring drive 6 and set the rotation speed at 150 revolutions per minute. The liquid bath experiment is now ready; thus, the temperature received by the heat-sensitive element is balanced to ensure the accuracy of the test. Collect the temperature and temperature change curve data through a computer, and at the same time record the rupture time and state of the heat-sensitive element through a camera, and then cooperate with the temperature to obtain the test data and complete the test.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water bath test device for the thermal element of a fire sprinkler, characterized in that: The invention comprises a water bath heating component, a stirring component, a temperature monitoring component and a sample placement plate (8), wherein the stirring end of the stirring component is located in the water bath heating component, the detection end of the temperature monitoring component is located in the water bath heating component, the sample placement plate (8) is located in the water bath heating component, and a plurality of fire sprinkler thermal sensitive elements are placed on the sample placement plate (8).

2. The water bath test device for the fire sprinkler thermal element according to claim 1, characterized in that: The water bath heating component comprises a base support (1), a water bath (2), and an electric heating tube (3); the water bath (2) is placed on the base support (1); the electric heating tube (3) is placed in the water bath (2); water is injected into the water bath (2); the sample placement plate (8) is located in the upper section of the water bath (2); the stirring end of the stirring component is located in the middle section of the water bath (2); the detection end of the temperature monitoring component is located in the water bath (2); and the temperature monitoring component and the stirring component are fixed to one side of the base support (1).

3. The water bath testing device for the fire sprinkler thermal element according to claim 2, characterized in that: The stirring assembly comprises a stirring paddle (4), a stirring shaft (5), a stirring driving machine (6), and a stirring machine bracket (7); the stirring paddle (4) is located in the middle section of the water bath (2); the lower end of the stirring shaft (5) is fixedly connected to the middle of the stirring paddle (4); the upper end of the stirring shaft (5) is connected to the driving shaft of the stirring driving machine (6); the stirring driving machine (6) is located above the water bath (2); and one side of the stirring driving machine (6) is fixed to one side of the base bracket (1) through the stirring machine bracket (7).

4. The water bath test device for the fire sprinkler thermal element according to claim 3, characterized in that: The temperature monitoring assembly comprises an electronic temperature sensor (10), a temperature sensor bracket (11), and a physical temperature sensor (12); the lower end of the temperature sensor bracket (11) is fixedly connected to one side of the upper end of the base bracket (1); the electronic temperature sensor (10) and the physical temperature sensor (12) are fixed to one side of the upper end of the temperature sensor bracket (11); and the detection ends of the electronic temperature sensor (10) and the physical temperature sensor (12) are located in the water bath (2).

5. The water bath testing device for the fire sprinkler thermal element according to claim 1 or 2, characterized in that: A sample tray handle (9) is provided on one side of the sample placement tray (8), one end of the sample tray handle (9) is fixedly connected to the side of the sample placement tray (8), and the other end of the sample tray handle (9) is located outside the water bath (2).

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