CN217880480U

CN217880480U - Blasting switch with trigger alarm device

Info

Publication number: CN217880480U
Application number: CN202220500507.3U
Authority: CN
Inventors: 吴浩; 吴硕; 于莹
Original assignee: Shanghai Shengshi Internet Of Things Technology Co ltd
Current assignee: Shanghai Shengshi Internet Of Things Technology Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-11-22
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a blasting switch of alarm device is triggered in area relates to blasting switch technical field, including blasting diaphragm, threaded rod, T type cap and pilot line, on the blasting switch was fixed in the equipment of awaiting measuring through the threaded rod, establish the passageway in the threaded rod, the blasting diaphragm was installed in threaded rod one end and sealed passageway, and the threaded rod other end passes through the fixed pilot line of T type cap, pilot line electric connection control system. The utility model discloses have through adopting the blasting diaphragm, the threaded rod, the blasting switch that T type cap and pilot line combined together and formed, to the equipment that exceeds blasting diaphragm pressure upper limit, the blasting switch can be triggered and reported to the police and shutdown protection, avoid appearing because of the too high cracked condition of equipment that leads to of pressure, for later maintenance equipment has saved very big trouble, avoid leading to the appearance that equipment bursts and produces explosion and conflagration because of the unable release of pressure, can not lead to the failure to protect because of the electrical apparatus problem, and has a simple structure, and is reasonable to set up, the low grade effect of cost of manufacture.

Description

Blasting switch with trigger alarm device

Technical Field

The utility model relates to a blasting switch technical field especially relates to a warning device's blasting switch is triggered in area.

Background

The raw material melting in the chemical fiber or plastic extrusion system can generate large pipeline pressure, and the pressure is generated by extruding the molten raw material from the pipeline, or impurities exist in a flow channel to block the flow channel opening and the like. Too high pipeline pressure can lead to equipment fracture, and the fracture forms the clearance, and the clearance department produces the hourglass material phenomenon. Such damage to the equipment causes great troubles in later maintenance, even damages to the equipment and causes non-production, and in more serious cases, the equipment is burst due to the non-release of high pressure, explosion and fire occur, and the safety is poor.

In the prior art, many devices are not provided with a safety protection device for releasing pressure in response during the process of measuring the pressure in the pipeline, so that the devices are damaged due to overpressure, and the safety production problem is caused seriously, however, the safety level of the devices is required to be gradually improved along with the progress of the times.

Based on the problem, the utility model designs a take trigger alarm device's blasting switch to solve above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a blasting switch with mechanical protection and triggering alarm device, which has simple structure, reasonable design and convenient use.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a blasting switch of alarm device is triggered in area, includes blasting diaphragm, threaded rod, T type cap and pilot line, the blasting switch passes through the threaded rod is fixed in to be measured on the equipment, establish the passageway in the threaded rod, the blasting diaphragm is installed in threaded rod one end and is sealed the passageway, the threaded rod other end passes through the fixed pilot line of T type cap, pilot line electricity connection control system.

Furthermore, the T-shaped cap fixes the indication line on the threaded rod through the bolt.

Further, the threaded rod comprises a front mounting section, a threaded section, a straight rod section and a rear mounting section which are sequentially connected into an integral structure, wherein the front mounting section fixes the blasting diaphragm, the threaded section is used for being mounted on the equipment to be measured, and the rear mounting section is used for being connected with an indicating line.

Further, the diameter of the indicator wire is 24AWG.

Further, the control system is electrically connected with the equipment to be measured;

when the indicating line is cut off, the control system gives an alarm and controls equipment to be shut down for protection.

Further, the threaded rods have different lengths.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) In the utility model, the explosion switch composed of the explosion diaphragm, the threaded rod, the T-shaped cap, the indicating line and other structures is arranged, and the explosion switch is electrically connected with the control system through the indicating line, so that the explosion switch can be triggered, alarmed and shut down to protect equipment exceeding the upper limit of the pressure of the explosion diaphragm, thereby avoiding the occurrence of equipment fracture caused by overhigh pressure, saving great trouble for later-period maintenance of the equipment, and avoiding the occurrence of explosion and fire caused by the explosion of the equipment because the pressure can not be released;

(2) The utility model discloses in, through the blasting switch that adopts the physical structure to form, based on its physical properties, whole blasting switch can not lead to the protection inefficacy because of the electrical apparatus problem, and whole blasting switch has simple structure, sets up reasonable, cost of manufacture low grade.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention;

fig. 3 is a schematic structural diagram of a third embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fourth embodiment of the present invention.

In the figure: 1. blasting the diaphragm; 2. a threaded rod; 21. a front mounting section; 22. a threaded segment; 23. a straight pole section; 24. a rear mounting section; 3. a T-shaped cap; 4. a line is indicated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 4, the blasting switch with the triggering alarm device comprises a blasting diaphragm 1, a threaded rod 2, a T-shaped cap 3 and an indication line 4. The utility model discloses the blasting switch that takes trigger alarm device passes through threaded rod 2 to be installed on the equipment wide island of needs, explodes in order to take safety protection measure with release pressure when equipment is because of the unable release of high pressure.

Specifically, a channel is arranged in the threaded rod 2, the channel is formed along the length direction of the threaded rod 2, and the channel is a through hole, that is, the channel conducts two ends of the threaded rod 2.

The blasting diaphragm 1 is installed in 2 one ends of threaded rod and sealed passageway, and 2 other ends of threaded rod pass through 3 fixed indicating lines 4 of T type cap, and 4 electricity connection control systems in indicating line. Specifically, the T-shaped cap 3 fixes the indication line 4 on the threaded rod 2 by a pin. During the installation, the pilot line 4 passes T type cap 3 and 4 both ends of pilot line and runs through threaded rod 2 respectively until extending threaded rod 2 and with control system electric connection, simultaneously, T type cap 3 inserts in the 2 tip passageways of threaded rod to it is fixed with T type cap 3, pilot line 4 through the bolt, in order to accomplish the installation.

The during operation is fixed in on the awaiting measuring equipment through threaded rod 2 with the blasting switch, and after equipment pressure exceeded the setting value, blasting diaphragm 1 broke, and pressure released the top through 2 internal channels of threaded rod, triggered T type cap 3 and cut off indicating line 4, and the disconnection turns into the signal of telecommunication and makes equipment shutdown protection through control system or instrument, adopts this kind of blasting switch, and equipment can not lead to the fracture because of too high pressure, avoids appearing the condition that equipment leaked the material.

Because the utility model provides a blasting switch adopts pure physical structure, based on its self physical properties, blasting switch itself can not lead to the protection inefficacy because of the electrical apparatus problem, whole blasting switch simple structure, set up rationally, the cost of manufacture is low.

In addition, it is preferable that the diameter of the indicator wire 4 in the present application is 24AWG.

More specifically, the threaded rod 2 includes a front mounting section 21, a threaded section 22, a straight rod section 23, and a rear mounting section 24, which are sequentially connected into an integrated structure. Preferably, the entire threaded rod 2 is of rigid rod construction.

Wherein, preceding installation section 21 is fixed blasting diaphragm 1, and preceding installation section 21 includes first section and second section, and the diameter of first section and second section is less than the diameter of second section, connects through the frustum type structure that the diameter gradually changes between first section and the second section.

The threaded section 22 is intended to be mounted on the device to be measured. The rear mounting section 24 is used for connecting the indicator line 4.

The upper pressure limit of the burst disk 1 can be designed to be different according to design requirements. Preferably, the upper pressure limit specification of the burst disk 1 is: 17MPa, 20MPa, 25MPa, 35MPa, 50MPa, 60MPa, 65MPa, 70MPa, 85MPa and the like.

According to different design requirements, the utility model discloses well blasting switch has different specifications.

Example one

Referring to FIG. 1, the front mounting section 21 has a length of 11.2mm, wherein the first section has a length of 5.44, the first section has a diameter of 7.8mm + -0.5 mm, and the second section has a diameter of 10.5mm.

The length of the threaded section 22 is 15.7mm, and the thread form angle of the threaded section 22 is 45 degrees +/-0.5 degrees.

The diameter of the straight rod section 23 is 10.5mm. Two symmetrical grooves are formed in one end, located on the installation indicating line 4, of the straight rod section 23, and the depth of each groove is 3m.

Example two

Referring to fig. 2, the front mounting section 21 has a length of 11.2mm, wherein the first section has a length of 5.44, the first section has a diameter of 7.8mm ± 0.5mm, and the second section has a diameter of 10.5mm.

The length of the thread section 22 is 15.7mm, and the thread form angle of the thread section 22 is 45 degrees +/-0.5 degrees.

The straight rod section 23 comprises a straight rod front section and a straight rod rear section, the length of the straight rod front section is 34.5mm, the diameter of the straight rod front section is 10.5mm, the diameter of the straight rod rear section is 12.7mm, and the straight rod front section and the straight rod rear section are connected through a frustum structure with gradually changing diameters.

The end of the straight rod section 23 located at the installation indication line 4 is connected with a hexagon.

EXAMPLE III

Referring to FIG. 3, the front mounting section 21 has a length of 11.2mm, wherein the first section has a length of 5.44, the first section has a diameter of 7.8mm + -0.5 mm, and the second section has a diameter of 10.5mm.

The length of the threaded section 22 is 64.8mm, and the thread form angle of the threaded section 22 is 45 degrees plus or minus 0.5 degrees.

The diameter of the straight rod section 23 is 12.7mm, and a hexagon is connected to one end, located on the installation indication line 4, of the straight rod section 23.

Example four

Referring to fig. 4, fig. 4 shows an overall schematic view of the blast switch with the indicator line 4 attached, the front mounting section 21 having a length of 11.2mm, wherein the first section has a length of 5.44, the first section has a diameter of 7.8mm ± 0.5mm, and the second section has a diameter of 10.5mm.

The total length of the front mounting section 21, the threaded section 22 and the straight rod section 23 is 152mm, and the diameter of the straight rod section 23 is 12.7mm. One end of the straight rod section 23, which is provided with the indication line 4, is connected with a hexagon, and the length of the hexagon is 15.5mm.

The utility model discloses a concrete implementation principle is: the during operation, according to actual need, select the blast switch of required pressure upper limit, utilize threaded rod 2 on the blast switch to install the blast switch on the volume of awaiting measuring equipment, equipment is in the course of the work, after pressure in it exceeded the pressure upper limit, pressure releases the top through 2 inside channels of threaded rod, and trigger T type cap 3 and cut off 24AWG pilot line 4, the disconnection turns into the signal of telecommunication and makes equipment shutdown protection through control system, whole utility model discloses a blast diaphragm 1, threaded rod 2, the blast switch that physical structures such as pilot line 4 and T type cap 3 constitute, based on its physical properties, the blast switch can not lead to the protection failure because of the electrical apparatus problem, moreover, the steam generator is simple in structure, and reasonable in arrangement, the cost of manufacture is low.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a blasting switch of alarm device is triggered in area, its characterized in that, includes blasting diaphragm (1), threaded rod (2), T type cap (3) and pilot line (4), the blasting switch passes through threaded rod (2) are fixed in on the equipment of awaiting measuring, establish the passageway in threaded rod (2), install in threaded rod (2) one end and sealed blasting diaphragm (1) the passageway, the threaded rod (2) other end passes through T type cap (3) fixed pilot line (4), pilot line (4) electric connection control system.

2. The blast switch with the triggering alarm device according to claim 1, wherein the T-shaped cap (3) fixes the indicating line (4) on the threaded rod (2) by means of a bolt.

3. The blast switch with the trigger alarm device according to claim 2, wherein the threaded rod (2) comprises a front mounting section (21), a threaded section (22), a straight rod section (23) and a rear mounting section (24) which are sequentially connected into an integrated structure, wherein the front mounting section (21) fixes the blast membrane (1), the threaded section (22) is used for mounting on the equipment to be measured, and the rear mounting section (24) is used for connecting the indication line (4).

4. Blast switch with triggered alarm device according to claim 1, characterized in that the diameter of the indicator wire (4) is 24AWG.

5. Blast switch with triggering alarm device according to claim 1, characterized in that the rupture disk (1) is designed with different upper pressure limits.

6. The blast switch with the trigger alarm device according to claim 1, wherein the control system is electrically connected to the equipment to be measured;

when the indicating line (4) is cut off, the control system gives an alarm and controls equipment to be shut down for protection.

7. The blast switch with the triggering alarm device according to claim 1, characterized in that the threaded rod (2) has different lengths.