CN112113759A - Calibration equipment for pipe explosion protection device - Google Patents

Abstract

The invention provides a calibration device for a burst pipe protection device, which relates to the field of calibration devices, comprising a first arc-shaped plate and a second arc-shaped plate, the first arc-shaped plate and the second arc-shaped plate are rotated by a rotating shaft The free edges of the first arc-shaped plate and the second arc-shaped plate are provided with fixed buckle assemblies, the inner wall of the first arc-shaped plate is provided with a pressure sensor; A support rod is fixed horizontally at the upper end of the rod, and a distance measuring sensor is installed at the end of the support rod. In the present invention, through the first arc-shaped plate and the second arc-shaped plate, the body of the squib to be verified can be fixed, the tension of the outer wall of the squib protection device can be detected by the pressure sensor, and the distance measuring sensor can According to the pressure change inside the burst pipe body, the change of the water inlet control pipe is measured. The whole invention has a simple structure and clear thinking, and can accurately verify the burst pipe protection device, and the verification process is safe and reliable, and has high practicability.

Description

A kind of calibration equipment for burst pipe protection device

technical field

The invention relates to the field of calibration equipment, in particular to a calibration device for a burst pipe protection device.

Background technique

The non-negative pressure water supply equipment is a pressurized water supply unit, which is directly connected to the municipal water supply pipe network, and superimposed in series on the basis of the residual pressure of the municipal pipe network to ensure that the pressure of the municipal pipe network is not less than the set protection pressure. Water supply equipment. The non-negative pressure water supply equipment is an indispensable equipment for the municipal water supply network. When the non-negative pressure water supply equipment is used, it is necessary to use the burst pipe. The burst pipe plays an important role in the use of the non-negative pressure water supply equipment.

Patent No. CN201821383497.X discloses a non-negative pressure water supply equipment burst protection device, as shown in Figure 6, including a burst tube body, the top of the burst tube body is fixedly provided with a water inlet control pipe, the water inlet Two clamping blocks are arranged on the inner wall of the control tube to slide at equal distances along both sides of the vertical centerline. In the present invention, when the water in the burst tube body of the device reaches a certain amount, the water pressure received by the burst tube body will cause the burst tube body to expand, which will reduce the distance between the two clamping blocks driven by the second tooth rod, so that the The inlet of the water entering the burst pipe body becomes smaller, and the expansion speed of the burst pipe body is slowed down. The bottom of the device is provided with a water outlet hole. The amount of water flowing out through the water outlet is reduced, and the protection effect of automatic water pressure adjustment on the storage body is realized.

However, before the burst pipe protection device is used, calibration equipment needs to be used for verification, and various performances of the entire protection device are tested to ensure the safe and normal use of the entire burst pipe protection device.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a calibration device for a burst pipe protection device to solve the above-mentioned technical problems.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions to realize: a calibration device for a burst pipe protection device, comprising a first arc-shaped plate and a second arc-shaped plate, the first arc-shaped plate and the first arc-shaped plate The two arc-shaped plates are two identical structures, and a vertical edge position of the first arc-shaped plate and the second arc-shaped plate is rotatably connected by a rotating shaft. After the first arc-shaped plate and the second arc-shaped plate are combined, they are A cylindrical structure, the free edges of the first arc-shaped plate and the second arc-shaped plate are provided with fixed buckle assemblies, the inner wall of the first arc-shaped plate is provided with a pressure sensor, and the first arc-shaped plate is provided with a pressure sensor. A single-chip microcomputer is arranged on the outer side wall of the shaped plate, an alarm device is arranged on one side of the single-chip microcomputer, and a display screen is arranged on one side of the alarm device, and the pressure sensor is electrically connected with the single-chip microcomputer, the alarm device and the display screen;

The upper end of the first arc-shaped plate is fixedly installed with a bearing seat, the upper end of the bearing seat is vertically rotated and installed with a rotating rod, the upper end of the rotating rod is fixedly installed with a support rod horizontally, and a distance measuring sensor is installed on the lower side of the end of the support rod, The horizontal distance from the ranging sensor to the rotating rod is equal to the radius of the first arc-shaped plate, and the ranging sensor, the single-chip microcomputer and the display screen are electrically connected.

Preferably, the data displayed on the display screen are the tension value of the outer wall of the squib protection device and the distance value measured by the squib protection distance measuring sensor.

Preferably, the fixing buckle assembly includes a fixing plate, the fixing plate is rotatably mounted on the second arc-shaped plate, a fixing hole is provided through the fixing plate, and the first arc-shaped plate is at an edge position on one side away from the rotating shaft A fixing rod is provided, and the positions of the fixing rod and the fixing hole correspond one by one, and a magnet ring is arranged at the bottom position of the fixing rod, and the fixing plate can attract with the magnet ring.

Preferably, there are two fixing holes and two fixing rods, and they are arranged vertically.

Preferably, the upper end of the bearing seat is provided with a first block, the side wall of the rotating rod is provided with a second block near the bearing seat, and the rotating rod rotates clockwise, the first block and the second block When the blocks are in contact, the distance measuring sensor on the support rod is at the center of the circle corresponding to the first arc-shaped plate.

Preferably, magnet layers are provided on the contact surfaces of the first block and the second block.

Preferably, the height from the lower side of the support rod to the ground is greater than the height of the squib protection device to be checked.

Preferably, the alarm is a light alarm, and the alarm flashing light alternately flashes red light and green light.

The beneficial effects of the present invention are:

In the present invention, through the first arc-shaped plate and the second arc-shaped plate, the body of the squib to be verified can be fixed, and through the setting of the pressure sensor, the outer side wall of the squib protection device and the first arc can be detected. The pressure value between the plate and the second arc plate, and the detection data is analyzed and displayed through the single-chip microcomputer and the display screen, which is convenient for the efficient verification of the work. Change the situation, accurately measure the radius change of the water inlet control pipe, verify the strain capacity of the entire burst pipe protection device, and avoid errors in actual use. The second arc-shaped plate is fixed to ensure smooth and safe verification process. The whole invention has simple structure and clear thinking, and can accurately verify the explosion protection device, and the verification process is safe, reliable and practical.

Description of drawings

Fig. 1 is a kind of three-dimensional structure schematic diagram of the calibration equipment used for burst pipe protection device of the present invention;

Fig. 2 is the top view structure schematic diagram of the present invention;

Fig. 3 is the enlarged schematic diagram of part A in Fig. 1 of the present invention;

4 is a schematic structural diagram of a fixing rod of the present invention;

Fig. 5 is the three-dimensional structure schematic diagram of the rotating rod of the present invention;

Fig. 6 is the structural schematic diagram of the pipe burst protection device of the present invention;

Reference numerals: 1. The first arc-shaped plate; 2. The second arc-shaped plate; 3. The rotating shaft; 4. The fixing buckle assembly; 401, The fixing plate; ;5, pressure sensor; 6, single chip; 7, alarm; 8, display screen; 9, bearing seat; 10, rotating rod; 11, support rod; 12, ranging sensor; 13, first stop; 14 , the second block; 15, the body of the burst pipe; 16, the water inlet control pipe.

Detailed ways

In order to make the technical means, creative features, goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to specific embodiments and accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, not all of them. . Based on the examples in the implementation manner, other examples obtained by those skilled in the art without creative work shall fall within the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in Figures 1, 2, 3 and 6, a calibration device for a burst protection device includes a first arc-shaped plate 1 and a second arc-shaped plate 2, the first arc-shaped plate 1 and the second arc-shaped plate 1 The shape plate 2 is two completely identical structures, and a vertical edge position of the first curved board 1 and the second curved board 2 is rotatably connected by the rotating shaft 3, and the first curved board 1 and the second curved board are connected by rotation. 2 is combined into a cylindrical structure, the free edges of the first arc-shaped plate 1 and the second arc-shaped plate 2 are provided with a fixed buckle assembly 4, and the inner wall of the first arc-shaped plate 1 is provided with a pressure sensor 5, A single-chip microcomputer 6 is arranged on the outer side wall of the first arc-shaped plate 1, an alarm device 7 is arranged on one side of the single-chip microcomputer 6, a display screen 8 is arranged on one side of the alarm device 7, and the pressure sensor 5 is connected with the single-chip microcomputer 6 and the alarm device 7. It is electrically connected with the display screen 8, the alarm 7 is a light alarm, and the alarm flashing light alternately flashes red and green;

The upper end of the first arc-shaped plate 1 is fixedly installed with a bearing seat 9, the upper end of the bearing seat 9 is vertically rotated and installed with a rotating rod 10, the upper end of the rotating rod 10 is horizontally fixedly installed with a support rod 11, and the lower end of the support rod 11 is installed on the lower side There is a distance measuring sensor 12 , the horizontal distance from the distance measuring sensor 12 to the rotating rod 10 is equal to the radius of the first arc plate 1 , and the distance measuring sensor 12 , the microcontroller 6 and the display screen 8 are electrically connected.

Working principle: In the process of verifying the explosion protection device, the tension value generated by the expansion of the outer wall of the explosion protection device is first detected. When testing, the explosion tube body 15 of the whole explosion protection device is placed on the first Between an arc-shaped plate 1 and the second arc-shaped plate 2, then rotate the first arc-shaped plate 1 and the second arc-shaped plate 2 along the rotation axis 3 until the first arc-shaped plate 1 and the second arc-shaped plate 2 After being completely merged, the outer side wall of the squib body 15 is completely fitted with the first arc-shaped plate 1 and the second arc-shaped plate 2, and the first arc-shaped plate 1 and the second arc-shaped plate 2 are free When the water reaches a certain amount, the water pressure received by the squib body 15 will cause the squib body to expand, and the outer wall of the squib body 15 will be opposite to the first The inner walls of the arc-shaped plate 1 and the second arc-shaped plate 2 generate pressure, and the pressure sensor 5 can accurately detect the pressure value, and transmit the measured data to the single-chip microcomputer 6. After the single-chip computer 6 analyzes, it will be measured. The result is displayed on the display screen 8, and the maximum pressure value that the entire explosion tube body 15 can withstand is obtained. When the pressure value reaches a certain strength, the alarm 7 will issue a prompt to avoid explosion and ensure safety.

After the tension of the squib body 15 is detected, the fixing buckle assembly 4 is opened, so that the squib body 15 is in a natural state, and then the water inlet control pipe 16 of the squib protection device is checked. By rotating the rotating rod on the bearing seat 9 10. Drive the support rod 11 to rotate. Since the height from the lower side of the support rod 11 to the ground is greater than the height of the squib protection device to be verified, the distance measuring sensor 12 can be adjusted to be located just above the squib body 15, and The distance measuring sensor 12 and the water inlet control pipe 16 are vertically on the same straight line, and then measure whether the opening radius of the water inlet control pipe 16 will become smaller as the water pressure inside the burst pipe body 15 increases, and the measurement will be carried out. The obtained data is displayed on the display screen 8 after being analyzed by the microcontroller 6 .

Example 2

As shown in Figures 1-4, a calibration device for a burst protection device, a calibration device for a burst protection device, includes a first arc-shaped plate 1 and a second arc-shaped plate 2, and the first arc plate 1 and the second arc plate 2. An arc-shaped plate 1 and a second arc-shaped plate 2 are two completely identical structures, and a vertical edge position of the first arc-shaped plate 1 and the second arc-shaped plate 2 is rotatably connected by a rotating shaft 3. The shaped plate 1 and the second arc-shaped plate 2 are combined into a cylindrical structure. The free edges of the first arc-shaped plate 1 and the second arc-shaped plate 2 are provided with a fixing buckle assembly 4. A pressure sensor 5 is arranged on the inner wall, a single-chip microcomputer 6 is arranged on the outer side wall of the first arc-shaped plate 1, an alarm device 7 is arranged on one side of the single-chip microcomputer 6, and a display screen 8 is arranged on one side of the alarm device 7, and the pressure sensor The device 5 is electrically connected with the microcontroller 6, the alarm device 7 and the display screen 8;

The upper end of the first arc-shaped plate 1 is fixedly installed with a bearing seat 9, the upper end of the bearing seat 9 is vertically rotated and installed with a rotating rod 10, the upper end of the rotating rod 10 is horizontally fixedly installed with a support rod 11, and the lower end of the support rod 11 is installed on the lower side There is a distance measuring sensor 12 , the horizontal distance from the distance measuring sensor 12 to the rotating rod 10 is equal to the radius of the first arc plate 1 , and the distance measuring sensor 12 , the microcontroller 6 and the display screen 8 are electrically connected.

The fixing buckle assembly 4 includes a fixing plate 401 , the fixing plate 401 is rotatably mounted on the second arc-shaped plate 2 , a fixing hole 402 is provided through the fixing plate 401 , and an edge of the first arc-shaped plate 1 is away from the rotating shaft 3 . A fixed rod 403 is provided at the position, and the positions of the fixed rod 403 and the fixed hole 402 are in one-to-one correspondence. The bottom of the fixed rod 403 is provided with a magnet ring 404 , and the fixed plate 401 can attract the magnet ring 404 .

Working principle: when the free edges of the first arc-shaped plate 1 and the second arc-shaped plate 2 are fixed, after the first arc-shaped plate 1 and the second arc-shaped plate 2 are rotated and merged, the fixing plate 401 is rotated, so that the fixed plate 401 is fixed. The plate 401 is rotated towards the direction of the first arc-shaped plate 1 until the fixing holes 402 on the fixing plate 401 are aligned with the fixing rods 403 on the first arc-shaped plate 1 and combined, and finally the magnet ring 404 at the end of the fixing rod 403 will be fixed The plate 401 is firmly sucked, which avoids loosening between the first arc-shaped plate 1 and the second arc-shaped plate 2 during the calibration process, and ensures the normal operation of the entire experiment.

Example 3

As shown in Figures 1, 2, 3 and 5, a calibration device for a squib protection device, a calibration device for a squib protection device, includes a first arc plate 1 and a second arc plate Plate 2, the first arc-shaped plate 1 and the second arc-shaped plate 2 are two completely identical structures, and a vertical edge position of the first arc-shaped plate 1 and the second arc-shaped plate 2 is rotatably connected through the rotating shaft 3 , the first arc-shaped plate 1 and the second arc-shaped plate 2 are combined into a cylindrical structure, and the free edge of the first arc-shaped plate 1 and the second arc-shaped plate 2 is provided with a fixed buckle assembly 4, and the first arc-shaped plate 1 and the second arc-shaped plate 2 A pressure sensor 5 is arranged on the inner wall of the shaped plate 1, a single chip 6 is arranged on the outer side wall of the first arc plate 1, an alarm 7 is arranged on one side of the single chip 6, and a display screen 8 is arranged on one side of the alarm 7 , and the pressure sensor 5 is electrically connected with the single-chip microcomputer 6, the alarm device 7 and the display screen 8;

The upper end of the first arc-shaped plate 1 is fixedly installed with a bearing seat 9, the upper end of the bearing seat 9 is vertically rotated and installed with a rotating rod 10, the upper end of the rotating rod 10 is horizontally fixedly installed with a support rod 11, and the lower end of the support rod 11 is installed on the lower side There is a distance measuring sensor 12 , the horizontal distance from the distance measuring sensor 12 to the rotating rod 10 is equal to the radius of the first arc plate 1 , and the distance measuring sensor 12 , the microcontroller 6 and the display screen 8 are electrically connected.

The upper end of the bearing seat 9 is provided with a first block 13, the side wall of the rotating rod 10 is provided with a second block 14 near the bearing seat 9, and the rotating rod 10 rotates clockwise, the first block 13 and the second block 14. When the block 14 is in contact, the distance measuring sensor 12 on the support rod 11 is at the center of the circle corresponding to the first arc-shaped plate 1 .

Working principle: When checking the water inlet control pipe 16 of the burst tube protection device, by rotating the bearing seat 9, the rotating rod 10 is rotated around the bearing seat 9, and the side wall of the burst tube body 15 is attached to the first arc. Since the first arc-shaped plate 1 is a semi-circular arc-shaped structure, the center of the upper end of the squib body 15 coincides with the center of the first arc-shaped plate 1. During the rotation of the rotating rod 10, the first stopper 13 When it is in contact with the second stopper 14, the rotation stops. Since the contact surfaces of the first stopper 13 and the second stopper 14 are provided with magnet layers, the first stopper 13 and the second stopper 14 attract each other. The distance measuring sensor 12 is located just above the water inlet control pipe 16, which facilitates accurate measurement of the opening radius of the water inlet control pipe 16.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The foregoing has shown and described 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-mentioned embodiments, and the above-mentioned embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the spirit and scope of the present invention. Under the premise, the present invention will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A calibration device for a burst pipe protection device, comprising the first arc-shaped plate (1) and the second arc-shaped plate (2), characterized in that: The first arc-shaped plate (1) and the second arc-shaped plate (2) are two completely identical structures, and a vertical edge of the first arc-shaped plate (1) and the second arc-shaped plate (2) The positions are rotatably connected by a rotating shaft (3), the first arc-shaped plate (1) and the second arc-shaped plate (2) are combined into a cylindrical structure, and the first arc-shaped plate (1) and the second arc-shaped plate (1) are combined into a cylindrical structure. A fixing buckle assembly (4) is arranged on the free edge of the shaped plate (2), a pressure sensor (5) is arranged on the inner wall of the first arc-shaped plate (1), and the first arc-shaped plate (1) A single-chip microcomputer (6) is arranged on the outer side wall of the single-chip microcomputer (6), an alarm device (7) is arranged on one side of the single-chip microcomputer (6), a display screen (8) is arranged on one side of the alarm device (7), and the pressure sensor (5) is connected with the pressure sensor (5). The single-chip microcomputer (6), the alarm device (7) and the display screen (8) are electrically connected; A bearing seat (9) is fixedly installed on the upper end of the first arc-shaped plate (1), a rotating rod (10) is installed vertically on the upper end of the bearing seat (9), and a rotating rod (10) is fixedly installed on the upper end of the rotating rod (10) horizontally. A support rod (11), a distance measuring sensor (12) is installed on the lower side of the end of the support rod (11), and the horizontal distance from the distance measuring sensor (12) to the rotating rod (10) is equal to the radius of the first arc-shaped plate (1) , and the ranging sensor (12), the microcontroller (6) and the display screen (8) are electrically connected. 2. a kind of calibration equipment for burst pipe protection device according to claim 1, is characterized in that: the data that described display screen (8) shows is the tension value of the outer wall of burst pipe protection device and burst pipe protection The distance value measured by the distance measuring sensor (12). 3. A calibration device for a burst pipe protection device according to claim 1, characterized in that: the fixing buckle assembly (4) comprises a fixing plate (401), and the fixing plate (401) is rotatably installed on the first On the two arc-shaped plates (2), a fixing hole (402) is provided through the fixing plate (401), and a fixing hole (402) is provided on the edge of the first arc-shaped plate (1) away from the rotating shaft (3). A rod (403), and the positions of the fixing rod (403) and the fixing hole (402) correspond one by one, a magnet ring (404) is arranged at the bottom of the fixing rod (403), and the fixing plate (401) can be connected with the magnet ring (404) Attraction. 4 . The calibration device for a burst pipe protection device according to claim 3 , wherein two of the fixing holes ( 402 ) and the fixing rods ( 403 ) are arranged vertically. 5 . 5. A calibration device for a burst pipe protection device according to claim 1, characterized in that: the upper end of the bearing seat (9) is provided with a first stopper (13), and the rotating rod ( 10) A second stopper (14) is arranged on the side wall of the bearing seat (9) near the bearing seat (9), and the rotating rod (10) rotates clockwise, when the first stopper (13) and the second stopper (14) are in contact , the distance measuring sensor (12) on the support rod (11) is located at the center of the circle corresponding to the first arc-shaped plate (1). 6. A calibration device for a burst pipe protection device according to claim 5, characterized in that: the contact surfaces of the first stopper (13) and the second stopper (14) are provided with magnet layer. 7. A kind of calibration equipment for a burst pipe protection device according to claim 1, characterized in that: the height from the lower side of the support rod (11) to the ground is greater than the height of the burst pipe protection device to be calibrated high. 8. A verification device for a burst pipe protection device according to claim 1, characterized in that: the alarm device (7) is a light alarm device, and the alarm flashing light alternately flashes red light and green light.

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