Fire valve air tightness and water pressure detection device

Abstract

The utility model discloses a fire-fighting valve air tightness and water pressure detection device, and particularly relates to the air tightness detection device field, the fire-fighting valve air tightness and water pressure detection device comprises a box body, a control panel, a detection assembly, a telescopic detection pipe and a connector, the control panel is arranged on the upper end face of the box body, and the inner cavity of the box body is provided with the detection assembly; the measuring parts at two ends of the detection assembly are provided with telescopic detection tubes, and one end of each telescopic detection tube away from the detection assembly is provided with a connector. The two ends of a fire hose or a fire valve are connected through the telescopic detection pipe and the connector, the fire hose or the fire valve is filled with gas generated by the gas pump, and the pressure in the fire hose or the fire valve is detected through the pressure sensor in the detection assembly. Meanwhile, the device can be connected with the fire hose or the fire valve in a one-way mode, then the water pressure of the corresponding connecting position is detected, and the effect that the device detects the air tightness and the water pressure in the fire hose or the fire valve is achieved.

Description

Technical Field

[0001] The utility model relates to the field of air tightness detection devices, and more specifically, to an air tightness and water pressure detection device for fire valves. Background Art

[0002] Fire valves are safety devices installed in a building's water supply system, fire protection system, and other related pipes. Their basic function is to control and direct water flow in emergency situations such as fires to ensure the effective operation of the fire protection system. Fire valves are crucial for protecting people, preventing the spread of fire, and minimizing property damage.

[0003] For example, application number CN202020136358.8 discloses an air tightness detection device for fire hoses, which uses a water tank and a bending column provided in the water tank to wrap the fire hose around the bending column in a V shape, and introduces gas into the fire hose so that the air pressure in the fire hose can reach the detection pressure. Then, by observing whether bubbles are generated in the fire hose in the water tank, the purpose of air tightness detection of the fire hose is achieved, which can greatly reduce the material consumption for the detection of the fire hose. At the same time, the area occupied by the detection device can be reduced. The above-mentioned device solves the problem that the existing fire hose is long and a long transparent tube sleeve needs to be manufactured to be provided on the surface of the fire hose, and a large area needs to be occupied for testing. However, when performing the sealing test of the fire-fighting device, it is necessary not only to test the fire hose but also to test the sealing of the fire valve to ensure the safety of the operation of the entire device. In buildings, fire hoses and fire valves play a vital role, and the above-mentioned device only tests the fire hose;

[0004] Therefore, in order to solve the above problems, a fire valve air tightness and water pressure detection device is proposed. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a fire valve air tightness and water pressure detection device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a fire valve air tightness and water pressure detection device, comprising a box, a control panel, a detection assembly, a telescopic detection tube, and a connector, wherein the control panel is mounted on the upper end surface of the box, and the detection assembly is provided in the inner cavity of the box, telescopic detection tubes are provided at the measuring points at both ends of the detection assembly, and a connector is provided at the end of the telescopic detection tube away from the detection assembly, a PLC controller is provided in the inner cavity of the box, and a box door is connected to the side end surface of the box via a hinge;

[0007] The detection component includes a connecting passage and a connecting box. The connecting passage is installed in the inner cavity of the box body, and the connecting passage is connected to the connecting box. An electromagnetic valve is provided on the outer diameter surface of the connecting passage, and two groups of electromagnetic valves are provided, and the two groups of electromagnetic valves are located on both sides of the connecting box. An air pump is provided on one side of the connecting box, and a filter box is provided at the input end of the air pump. The connecting passage is connected to a detection mechanism, and the detection mechanism includes a detection cover and a detection port. The detection cover is cylindrical, and the detection port is provided transversely through the outer diameter surface of the detection cover. The inner cavity of the detection cover is hollow, and the inner cavity of the detection cover is provided with a reset spring. A slider is provided at one end of the reset spring, and a pressure sensor is provided on the upper end surface of the slider, and an infrared distance sensor is provided at the bottom of the inner cavity of the detection cover.

[0008] Preferably, the PLC controller is electrically connected to a battery, and is electrically connected to a solenoid valve, an air pump, a pressure sensor and an infrared distance sensor. The PLC controller is electrically connected to a control panel, and the telescopic detection tube is specifically a fire-fighting metal bellows.

[0009] Preferably, the connecting passage is connected to the connecting box, the solenoid valve is installed longitudinally through the outer diameter surface of the connecting passage, the connecting passage is connected to the connecting head through the telescopic detection tube, the output end of the air pump is connected to the connecting box through the air pipe, and the filter box is connected to the input end of the air pump through the air pipe.

[0010] Preferably, the contact surface between the slider and the inner wall of the detection cover is provided with a sealing ring and a Y-shaped sealing ring, and two groups of Y-shaped sealing rings are provided, and the sealing ring is located between the two groups of Y-shaped sealing rings.

[0011] Preferably, the detection port in the detection mechanism longitudinally penetrates the outer diameter surface of the connecting passage, and the detection port in the detection mechanism and the connecting passage form a communicating structure.

[0012] Preferably, the slider and the inner wall of the detection cover form a sliding structure, the infrared distance sensor is located directly below the slider, and the box door forms a rotating structure that rotates around the center of the hinge with the box body through a hinge.

[0013] The technical effects and advantages of this utility model are:

[0014] Compared with the prior art, this fire valve air tightness and water pressure detection device, when in use, uses the telescopic detection tube and connector in the detection component to connect the two ends of the fire hose or fire valve, generates gas through the air pump and fills the fire hose or fire valve, and uses the pressure sensor in the detection component to detect the pressure inside the fire hose or fire valve, thereby determining whether the fire hose or fire valve is leaking. At the same time, this device can also be connected to the fire hose or fire valve in one direction, thereby detecting the water pressure at the corresponding connection. Through the above structure, the device can achieve the effect of detecting the air tightness and water pressure inside the fire hose or fire valve.

[0015] Compared with the prior art, when the fire valve air tightness and water pressure detection device is in use, the telescopic detection tube is first connected to the fire hose or fire valve through the connecting head, and then the fire hose or fire valve is connected to the connecting passage in the detection component, and because the connecting passage is connected to the connection box, the fire hose or fire valve forms a loop through the connecting head, the telescopic detection tube, the connection passage and the connection box, and since the detection port excavated on the side end face of the detection cover in the solenoid valve and the detection mechanism is connected to the connection passage, the solenoid valve is used to control the on-off of the connection passage and the detection mechanism is used to detect the inner cavity of the connection passage. When the fire hose or fire valve body needs to be detected, two sets of connecting heads are respectively connected to the two ends of the fire hose or fire valve, and the air pump is started, and the air pump passes through the filter box The gas is transported to the inner cavity of the connecting box, and then used to detect the air tightness inside the fire hose or fire valve through the reset spring, slider, pressure sensor and infrared distance sensor. The interior of the detection cover forms a connecting structure with the connecting passage through the detection port. When the inside of the detection cover is under pressure, the slider is also under pressure, which in turn causes the slider to press the reset spring, and the pressure sensor on the surface of the slider detects the pressure in the inner cavity of the detection cover. At the same time, the position between the infrared distance sensor and the slider is detected by the infrared distance sensor, and the internal pressure of the connecting passage is detected. At the same time, it can also determine whether the fire hose or fire valve has gas leakage, and then detect the air tightness of the fire hose or fire valve. Through the above structure, while detecting the air tightness of the fire hose or fire valve, it is also beneficial to observe the gas leakage inside the fire hose or fire valve.

[0016] Compared with the prior art, the fire valve air tightness and water pressure detection device is used. When the fire hose or fire valve is subjected to water pressure detection, the telescopic detection tube is connected to the fire hose or fire valve in one direction through the connector, so that the fire hose or fire valve is connected to the connection path in the detection component. Since the connection path is connected to the connection box, the fire hose or fire valve is connected in one direction through the connector, the telescopic detection tube, the connection path and the connection box. The one-way connection of the connection path is controlled by the solenoid valve, wherein the water pressure inside the fire hose or fire valve is detected. When the fire hose or fire valve is in a state of emergency, the water inside the fire hose or fire valve flows into the connecting passage through the connecting head and the telescopic detection tube, and then the water pressure is detected by the pressure sensor. At the same time, the position between the infrared distance sensor and the slider is detected by the infrared distance sensor, which is conducive to observing whether the fire hose or fire valve is leaking. Through the above structure, while detecting the water pressure of the fire hose or fire valve, it is also conducive to observing whether the fire hose or fire valve is leaking. The device is powered by a PLC controller and a battery for control, so that it is easy to detect the water pressure and water pressure sealing problems inside the fire hose or fire valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0018] Figure 2 It is a side view structural diagram of the utility model.

[0019] Figure 3 This is a schematic diagram of the top-sectional structure of the box body of the present utility model.

[0020] Figure 4 This is a schematic diagram of the top-sectional structure of the detection mechanism of the utility model.

[0021] The accompanying drawings are marked as follows: 1. Box body; 2. Control panel; 3. Detection component; 31. Connection path; 32. Connection box; 33. Solenoid valve; 34. Air pump; 35. Filter box; 36. Detection mechanism; 361. Detection cover; 362. Detection port; 363. Reset spring; 364. Slider; 365. Pressure sensor; 366. Infrared distance sensor; 4. Telescopic detection tube; 5. Connector; 6. PLC controller; 61. Battery; 7. Box door. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] As attached Figures 1 to 3 The device for testing air tightness and water pressure of fire valves shown in the figure comprises a housing 1, a control panel 2, a detection assembly 3, a telescopic detection tube 4, and a connector 5. The control panel 2 is mounted on the upper end surface of the housing 1, and the detection assembly 3 is provided in the inner cavity of the housing 1. The measuring points at both ends of the detection assembly 3 are provided with telescopic detection tubes 4, and the end of the telescopic detection tube 4 away from the detection assembly 3 is provided with a connector 5. A PLC controller 6 is provided in the inner cavity of the housing 1, and a door 7 is connected to the side end surface of the housing 1 via a hinge.

[0025] The detection component 3 includes a connecting passage 31 and a connecting box 32. The connecting passage 31 is installed in the inner cavity of the box body 1, and the connecting passage 31 is connected to the connecting box 32. An electromagnetic valve 33 is provided on the outer diameter surface of the connecting passage 31, and two groups of electromagnetic valves 33 are provided, and the two groups of electromagnetic valves 33 are located on both sides of the connecting box 32. An air pump 34 is provided on one side of the connecting box 32, and a filter box 35 is provided at the input end of the air pump 34. The connecting passage 31 is connected to a detection mechanism 36. The detection mechanism 36 includes a detection cover 361 and a detection port 362. The detection cover 361 is cylindrical, and the detection port 362 is transversely penetrated on the outer diameter surface of the detection cover 361. The inner cavity of the detection cover 361 is hollow, and the inner cavity of the detection cover 361 is provided with a reset spring 363. A slider 364 is provided at one end of the reset spring 363, and a pressure sensor 365 is provided on the upper end surface of the slider 364, and an infrared distance sensor 366 is provided at the bottom of the inner cavity of the detection cover 361.

[0026] Among them: first, the telescopic detection tube 4 is connected to the fire hose or fire valve through the connector 5, so that the fire hose or fire valve is connected to the connecting passage 31 in the detection assembly 3. Since the connecting passage 31 is connected to the connection box 32, the fire hose or fire valve forms a closed loop using the connector 5, the telescopic detection tube 4, the connecting passage 31 and the connection box 32. Moreover, since the solenoid valve 33 and the detection port 362 in the detection mechanism 36 are connected to the connecting passage 31, it is convenient for the solenoid valve 33 to control the connection and disconnection of the connecting passage 31 and for the detection mechanism 36 to detect the inner cavity of the connecting passage 31;

[0027] When the fire hose or fire valve body needs to be inspected, the two sets of connectors 5 are respectively connected to the two ends of the fire hose or fire valve, and the air pump 34 is started. The air pump 34 delivers gas to the inner cavity of the connection box 32 through the filter box 35. Then, the return spring 363, the slider 364, the pressure sensor 365 and the infrared distance sensor 366 are used to detect the air tightness inside the fire hose or fire valve. The interior of the detection cover 361 is connected to the connecting passage 31 through the detection port 362. When the interior of the detection cover 361 is subjected to pressure, the slider 364 is also subjected to pressure, causing the slider 364 to press the return spring 363. The pressure sensor 365 on the surface of the slider 364 detects the pressure inside the detection cover 361. At the same time, the infrared distance sensor 366 is used to detect the position between the infrared distance sensor 366 and the slider 364. In this way, while detecting the pressure inside the connecting passage 31, it can also determine whether there is a gas leak in the fire hose or fire valve, thereby detecting the air tightness of the fire hose or fire valve.

[0028] When the water pressure of a fire hose or a fire valve is tested, a set of connectors 5 are first used to connect the telescopic detection tube 4 to the fire hose or the fire valve in a one-way manner. The fire hose or the fire valve is connected to the connecting passage 31 in the detection component 3. Since the connecting passage 31 is connected to the connecting box 32, the fire hose or the fire valve is connected in a one-way manner using the connector 5, the telescopic detection tube 4, the connecting passage 31 and the connecting box 32, and the solenoid valve 33 controls the one-way connection of the connecting passage 31. When the water pressure inside the fire hose or the fire valve is tested, the water inside the fire hose or the fire valve flows into the connecting passage 31 using the connector 5 and the telescopic detection tube 4. The pressure sensor 365 is used to detect the water pressure. At the same time, the infrared distance sensor 366 is used to detect the position between the infrared distance sensor 366 and the slider 364. This is conducive to observing whether the fire hose or the fire valve is leaking. While detecting the water pressure of the fire hose or the fire valve, it is also conducive to observing whether the fire hose or the fire valve is leaking.

[0029] Example 2

[0030] Based on Example 1, the solution in Example 1 is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0031] As a preferred embodiment, the PLC controller 6 is electrically connected to the battery 61, and the PLC controller 6 is electrically connected to the solenoid valve 33, the air pump 34, the pressure sensor 365 and the infrared distance sensor 366. The PLC controller 6 is electrically connected to the control panel 2. The telescopic detection tube 4 is specifically a fire-fighting metal bellows, and the device is powered and controlled by the PLC controller 6 and the battery 61.

[0032] As a preferred embodiment, the connecting passage 31 is connected to the connecting box 32, the solenoid valve 33 is installed longitudinally through the outer diameter surface of the connecting passage 31, the connecting passage 31 is connected to the connecting head 5 through the telescopic detection tube 4, the output end of the air pump 34 is connected to the connecting box 32 through the air pipe, and the filter box 35 is connected to the input end of the air pump 34 through the air pipe.

[0033] As a preferred embodiment, the contact surface between the slider 364 and the inner wall of the detection cover 361 is provided with a sealing ring and a Y-shaped sealing ring, and two groups of Y-shaped sealing rings are provided, and the sealing ring is located between the two groups of Y-shaped sealing rings.

[0034] As a preferred embodiment, the detection port 362 in the detection mechanism 36 longitudinally penetrates the outer diameter surface of the connecting passage 31 , and the detection port 362 in the detection mechanism 36 and the connecting passage 31 form a communicating structure.

[0035] As a preferred embodiment, the slider 364 and the inner wall of the detection cover 361 form a sliding structure, the infrared distance sensor 366 is located directly below the slider 364, and the door 7 forms a rotating structure that rotates around the hinge center with the box body 1 through a hinge.

[0036] The working process of the present invention is as follows: first, the telescopic detection tube 4 is connected to the fire hose or fire valve through the connector 5, so that the fire hose or fire valve forms a circuit through the connector 5, the telescopic detection tube 4, the connecting passage 31 and the connecting box 32. When it is necessary to detect the fire hose or the fire valve body, two groups of connectors 5 are respectively connected to the two ends of the fire hose or the fire valve, and the air pump 34 is started. The air pump 34 conveys gas to the inner cavity of the connecting box 32 through the filter box 35, and then the return spring 363, the slider 364, the pressure sensor 365 and the infrared distance sensor 366 are used to detect the air tightness inside the fire hose or the fire valve. When the inside of the detection cover 361 is under pressure, the slider 364 is under pressure, so that the slider 364 presses the return spring 363, and the pressure sensor 365 on the surface of the slider 364 detects the pressure in the inner cavity of the detection cover 361;

[0037] At the same time, the infrared distance sensor 366 is used to detect the position between the infrared distance sensor 366 and the slider 364. While detecting the internal pressure of the connecting passage 31, it can also be determined whether there is a gas leak in the fire hose or the fire valve. When the water pressure of the fire hose or the fire valve is detected, the fire hose or the fire valve is connected in a one-way manner through the connector 5, the telescopic detection tube 4, the connecting passage 31 and the connecting box 32, and the one-way connection of the connecting passage 31 is controlled by the solenoid valve 33. When the water pressure inside the fire hose or the fire valve is detected, the water inside the fire hose or the fire valve flows into the connecting passage 31 through the connector 5 and the telescopic detection tube 4. The pressure sensor 365 is used to detect the water pressure. At the same time, the infrared distance sensor 366 is used to detect the position between the infrared distance sensor 366 and the slider 364. While detecting the water pressure of the fire hose or the fire valve, it is convenient to observe whether the fire hose or the fire valve is leaking.

Claims

1. A fire valve air tightness and water pressure detection device, comprising a housing (1), a control panel (2), a detection assembly (3), a telescopic detection tube (4) and a connector (5), characterized in that: The control panel (2) is mounted on the upper end surface of the box (1), and a detection assembly (3) is provided in the inner cavity of the box (1), telescopic detection tubes (4) are provided at the measuring positions at both ends of the detection assembly (3), and a connector (5) is provided at one end of the telescopic detection tube (4) away from the detection assembly (3), a PLC controller (6) is provided in the inner cavity of the box (1), and a box door (7) is connected to the side end surface of the box (1) via a hinge; The detection assembly (3) includes a connecting passage (31) and a connecting box (32). The connecting passage (31) is installed in the inner cavity of the box body (1), and the connecting passage (31) is connected to the connecting box (32). The outer diameter surface of the connecting passage (31) is provided with a solenoid valve (33), and the solenoid valve (33) is provided in two groups, and the two groups of the solenoid valves (33) are located on both sides of the connecting box (32). An air pump (34) is provided on one side of the connecting box (32), and a filter box (35) is provided at the input end of the air pump (34). The connecting passage (31) is connected to the detection mechanism ( 36), the detection mechanism (36) includes a detection cover (361) and a detection port (362), the detection cover (361) is cylindrical, and the outer diameter surface of the detection cover (361) is transversely penetrated by the detection port (362), the inner cavity of the detection cover (361) is hollow, and the inner cavity of the detection cover (361) is provided with a reset spring (363), one end of the reset spring (363) is provided with a slider (364), and the upper end surface of the slider (364) is provided with a pressure sensor (365), and the bottom of the inner cavity of the detection cover (361) is provided with an infrared distance sensor (366).

2. A fire valve air tightness and water pressure detection device according to claim 1, characterized in that: The PLC controller (6) is electrically connected to a battery (61), and the PLC controller (6) is electrically connected to a solenoid valve (33), an air pump (34), a pressure sensor (365), and an infrared distance sensor (366). The PLC controller (6) is electrically connected to a control panel (2). The telescopic detection tube (4) is specifically a fire-fighting metal bellows.

3. The fire valve air tightness and water pressure detection device according to claim 1, characterized in that: The connecting passage (31) is connected to the connecting box (32), the solenoid valve (33) is longitudinally installed on the outer diameter surface of the connecting passage (31), the connecting passage (31) is connected to the connecting head (5) through the telescopic detection tube (4), the output end of the air pump (34) is connected to the connecting box (32) through the air pipe, and the filter box (35) is connected to the input end of the air pump (34) through the air pipe.

4. The fire valve air tightness and water pressure detection device according to claim 1, characterized in that: The contact surface between the slider (364) and the inner wall of the detection cover (361) is provided with a sealing ring and a Y-shaped sealing ring, and two groups of Y-shaped sealing rings are provided, and the sealing ring is located between the two groups of Y-shaped sealing rings.

5. The fire valve air tightness and water pressure detection device according to claim 1, characterized in that: The detection port (362) in the detection mechanism (36) longitudinally penetrates the outer diameter surface of the connecting passage (31), and the detection port (362) in the detection mechanism (36) and the connecting passage (31) form a communicating structure.

6. The fire valve air tightness and water pressure detection device according to claim 1, characterized in that: The slider (364) and the inner wall of the detection cover (361) form a sliding structure, the infrared distance sensor (366) is located directly below the slider (364), and the box door (7) and the box body (1) form a rotating structure that rotates around the hinge center through the hinge.

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