Fire-fighting pressure signal meter

Abstract

The utility model discloses a fire-fighting pressure signal meter, which belongs to the technical field of public safety fire-fighting emergency and comprises a pressure signal meter body, a protection assembly is arranged at the top of the pressure signal meter body, and a switch assembly is arranged in the pressure signal meter body. The rotary cover capable of being rotatably closed is matched with the fixed cover to shield and protect the amplifier and the filter, the service life of the device can be longer, under the elastic acting force of a first spring at the top of a bottom plate, a clamping block and a gear are meshed to complete positioning of the rotary cover, and then the protection effect on the amplifier and the filter is better; the switch assembly is arranged, the control block is moved to drive the inserting block to move out of the inserting piece, then a user can open the protection plate in a rotating mode, the inserting block and the inserting piece are tightly inserted under the elastic acting force of the second spring in the through groove, the protection plate can be closed and positioned firmly, operation is convenient, and the using effect is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of public safety fire emergency response, and in particular relates to a fire pressure signal meter. Background Art

[0002] In modern society, in order to protect the personal safety of residents, fire hydrants need to be installed in communities and areas with large traffic flow. The water pressure in the fire pipes needs to be kept balanced at all times, so a fire pressure signal meter is needed.

[0003] Chinese patent application No. 202322177407.9 discloses a fire pressure signal meter, including a body, a smart antenna fixedly connected to the right side of the body, a protective plate rotatably connected to the front of the body, a mounting hole is provided on the right side of the protective plate, the inner walls of the mounting hole are respectively sleeved with a retaining spring and a limit ring, and the middle part of the limit ring is fixedly sleeved with a bayonet. Through the provision of a smart antenna, filter, amplifier, and battery structure, the smart antenna can ensure signal strength, and during the signal transmission process, the interference signal will first be filtered out by the filter, and then the strength of the signal in the fire pipe pressure frequency band will be enhanced by the amplifier, thereby solving the problem of signal transmission interference. At the same time, during the actual signal transmission process, the frequency of 4G signal transmission can be increased to ensure that the signal transmission quality during the signal transmission process is not affected, thereby improving the practicality of the fire meter.

[0004] In the above-mentioned public patent, the filter and the amplifier are both located on the top of the meter body, which cannot provide good safety protection for them. External interference factors can easily cause them to be damaged. The protective plate is installed and fixed by a pin, and the protective plate is not easy to open and is not convenient to use. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a fire-fighting pressure signal meter, which has the characteristics of high safety and convenient use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire-fighting pressure signal meter, comprising a pressure signal meter body, a protective component is arranged on the top of the pressure signal meter body, an amplifier is installed on the top surface of the pressure signal meter body, a filter is arranged on the side of the amplifier, a switch component is opened inside the pressure signal meter body, a protective plate is installed on the side of the pressure signal meter body, and an intelligent antenna is connected to the side of the pressure signal meter body.

[0007] Preferably, the protective component includes a rotating cover, a positioning component, a rotating shaft, a limiting cylinder and a fixed cover, wherein a fixed cover is provided on the top of the pressure signal meter body, a rotating cover is installed on the outside of the fixed cover, both sides of the rotating cover are connected to the rotating shaft, the side end of one side of the rotating shaft is connected to the positioning component, and two limiting cylinders are installed on the rotating shaft surface at the top of the pressure signal meter body.

[0008] Preferably, the fixed cover and the rotating cover are both in a quarter-cylindrical structure, and the inner wall of the rotating cover fits tightly with the surface of the fixed cover.

[0009] Preferably, the positioning assembly includes a gear, a block, a ring, a spring and a base plate, wherein a gear is connected to the side end of a rotating shaft on one side, a ring is installed on the side of the pressure signal meter body, a block is embedded inside the ring, a base plate is arranged below the block, and a spring is connected between the block and the base plate.

[0010] Preferably, the switch assembly includes a second spring, a through slot, a control block, an insert block and a plug-in, wherein a through slot is opened inside the pressure signal meter body, a second spring is embedded inside the through slot, a plug-in is connected to the side of the second spring, a control block is connected to the surface of the plug-in, and a plug-in is connected to the side of the protective plate.

[0011] Preferably, a plug hole is provided inside the plug block, the plug-in unit and the plug-in unit are in a plug-in structure, and the surface of the plug-in unit is in close contact with the inner groove wall of the plug-in unit.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a protective component, and the limiting cylinder limits the rotating shaft. The rotating cover can be rotatably closed and cooperates with the fixed cover to shield and protect the amplifier and the filter, which can extend the service life of the device. Under the elastic force of the spring 1 at the top of the bottom plate, the clamping block can be limited and moved upward in the sleeve ring. The engagement of the clamping block and the gear can complete the positioning of the rotating cover, thereby achieving a better protection effect on the amplifier and the filter.

[0014] 2. The utility model sets a switch assembly, moves the control block to drive the plug-in block to be moved out of the plug-in unit, and then the user can rotate to open the protective plate. Under the elastic force of the second spring inside the through slot, the plug-in block is tightly plugged into the plug-in unit, so that the protective plate can be closed and positioned firmly, which is easy to operate and has a better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is the front view of the protection component of the utility model;

[0017] Figure 3This is the front view of the switch assembly of the present utility model.

[0018] In the figure: 1. Pressure signal meter body; 2. Amplifier; 3. Filter; 4. Protective assembly; 41. Rotating cover; 42. Positioning assembly; 421. Gear; 422. Block; 423. Ring; 424. Spring 1; 425. Bottom plate; 43. Rotating shaft; 44. Limiting cylinder; 45. Fixed cover; 5. Switch assembly; 51. Spring 2; 52. Through slot; 53. Control block; 54. Insert block; 55. Plug-in; 6. Protective plate; 7. Smart antenna. DETAILED DESCRIPTION

[0019] 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.

[0020] Example 1

[0021] See also Figure 1-3 The utility model provides the following technical solutions: a fire-fighting pressure signal meter, comprising a pressure signal meter body 1, a protective component 4 is arranged on the top of the pressure signal meter body 1, an amplifier 2 is installed on the top surface of the pressure signal meter body 1, a filter 3 is arranged on the side of the amplifier 2, a switch component 5 is opened inside the pressure signal meter body 1, a protective plate 6 is installed on the side of the pressure signal meter body 1, and an intelligent antenna 7 is connected to the side of the pressure signal meter body 1.

[0022] Specifically, the protective component 4 includes a rotating cover 41, a positioning component 42, a rotating shaft 43, a limiting cylinder 44 and a fixed cover 45. The fixed cover 45 is arranged on the top of the pressure signal meter body 1, and the rotating cover 41 is installed on the outer side of the fixed cover 45. The rotating cover 41 is connected to the rotating shaft 43 on both sides, and the side end of the rotating shaft 43 on one side is connected to the positioning component 42. Two limiting cylinders 44 are installed on the surface of the rotating shaft 43 at the top of the pressure signal meter body 1.

[0023] By adopting the above technical solution, the limiting cylinder 44 limits the rotating shaft 43, and the rotating cover 41 can be rotatably closed to cooperate with the fixed cover 45 to shield and protect the amplifier 2 and the filter 3, which can extend the service life of the device.

[0024] Specifically, the fixed cover 45 and the rotating cover 41 are both in a quarter-cylindrical structure, and the inner wall of the rotating cover 41 fits tightly with the surface of the fixed cover 45 .

[0025] By adopting the above technical solution, the inner wall of the rotating cover 41 and the surface of the fixed cover 45 are tightly fitted together, so that the shielding and protection effect of the amplifier 2 and the filter 3 can be better.

[0026] Specifically, the positioning assembly 42 includes a gear 421, a block 422, a ring 423, a spring 424 and a base plate 425. The side end of the rotating shaft 43 is connected to the gear 421, the side of the pressure signal meter body 1 is installed with a ring 423, the inside of the ring 423 is embedded with a block 422, a base plate 425 is arranged below the block 422, and a spring 424 is connected between the block 422 and the base plate 425.

[0027] By adopting the above technical solution, the block 422 can be moved upward within the ring 423 under the elastic force of the spring 424 at the top of the bottom plate 425, and the engagement of the block 422 with the gear 421 at the side end of the shaft 43 can complete the positioning of the rotating cover 41, thereby achieving a better protection effect on the amplifier 2 and the filter 3.

[0028] When this embodiment is used, the meter is installed on the fire hydrant and the protective plate 6 is opened. Then the meter starts to receive signals. At this time, the filter 3 will filter out irrelevant external signals. Then, after detecting the internal pressure of the fire hydrant, the signal frequency band is amplified by the amplifier 2 and sent out using the smart antenna 7, so as to ensure that the signal transmission operation is carried out with the interference of the signal minimized, thereby improving the stability of signal transmission. The limit cylinder 44 limits the rotating shaft 43, and the rotatable and closed rotating cover 41 cooperates with the fixed cover 45 to shield and protect the amplifier 2 and the filter 3, which can extend the service life of the device. Under the elastic force of the spring 424 at the top of the bottom plate 425, the block 422 can be limited and moved up in the ring 423, and the engagement of the block 422 with the gear 421 at the side end of the rotating shaft 43 can complete the positioning of the rotating cover 41, thereby making the protection effect of the amplifier 2 and the filter 3 better.

[0029] Example 2

[0030] The present embodiment is different from the embodiment 1 in that the switch assembly 5 includes a spring 51, a through slot 52, a control block 53, an insert block 54 and a plug-in 55. A through slot 52 is provided inside the pressure signal meter body 1, and a spring 51 is embedded inside the through slot 52. The side of the spring 51 is connected to the plug-in 55, the surface of the plug-in 55 is connected to the control block 53, and the side of the protective plate 6 is connected to the insert block 54.

[0031] Specifically, a plug hole is provided inside the plug block 54 , and the plug-in element 55 and the plug-in element 54 are in a plug-in structure, and the surface of the plug-in element 55 is in close contact with the inner groove wall of the plug block 54 .

[0032] By adopting the above technical solution, the movable control block 53 drives the plug-in block 55 to move out of the plug-in unit 54, and then the user can rotate to open the protective plate 6. Under the elastic force of the spring 51 inside the through groove 52, the plug-in block 55 and the plug-in unit 54 are tightly plugged together to make the protective plate 6 closed and firmly positioned, which is convenient to operate and has a better use effect.

[0033] When this embodiment is used, the movable control block 53 drives the plug-in block 55 to be moved out of the plug-in unit 54, and then the user can rotate to open the protective plate 6. Under the elastic force of the spring 51 inside the through groove 52, the plug-in block 55 and the plug-in unit 54 are tightly plugged together to close and firmly position the protective plate 6, which is convenient to operate and has a better use effect.

[0034] The structure and use principle of the pressure signal meter body 1, amplifier 2, filter 3, protective plate 6 and smart antenna 7 in the utility model have been disclosed in Chinese patent application No. 202322177407.9, which discloses a fire pressure signal meter. Its working principle is that after the meter is installed on the fire hydrant, the user can rotate and open the protective plate 6, and then the meter starts to receive signals. At this time, the filter 3 will filter out irrelevant external signals, and then after detecting the internal pressure of the fire hydrant, the signal frequency band is amplified by the amplifier 2 and sent out by the smart antenna 7, so as to ensure that the signal is transmitted with minimal interference, thereby improving the stability of signal transmission.

[0035] The working principle and use process of the utility model are as follows: when the utility model is used, after the meter is installed on the fire hydrant, the mobile control block 53 drives the plug block 55 to be moved out of the plug 54, and then the user can rotate to open the protective plate 6, and under the elastic force of the spring 51 inside the through slot 52, the plug block 55 and the plug 54 are tightly plugged together to make the protective plate 6 closed and firmly positioned, which is convenient to operate and has a better use effect. Then the meter starts to receive signals, and at this time the filter 3 will filter out irrelevant signals from the outside world. Then, after detecting the internal pressure of the fire hydrant, the signal frequency band is amplified by the amplifier 2 and the intelligent antenna is used to detect the internal pressure of the fire hydrant. Line 7 is emitted, thereby ensuring that the signal transmission operation is carried out with the interference of the signal reduced to a minimum, thereby improving the stability of signal transmission, the limiting cylinder 44 limits the rotating shaft 43, and the rotating cover 41 can be rotatably closed to cooperate with the fixed cover 45 to shield and protect the amplifier 2 and the filter 3, which can extend the service life of the device, and the block 422 can be limited and moved up in the ring 423 under the elastic force of the spring 424 at the top of the bottom plate 425, and the engagement of the block 422 with the gear 421 at the side end of the rotating shaft 43 can complete the positioning of the rotating cover 41, thereby improving the protection effect on the amplifier 2 and the filter 3.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire-fighting pressure signal meter, comprising a pressure signal meter body, characterized in that: A protective component is arranged on the top of the pressure signal meter body, an amplifier is installed on the top surface of the pressure signal meter body, a filter is arranged on the side of the amplifier, a switch component is opened inside the pressure signal meter body, a protective plate is installed on the side of the pressure signal meter body, and a smart antenna is connected to the side of the pressure signal meter body.

2. A fire-fighting pressure signal meter according to claim 1, characterized in that: The protective component includes a rotating cover, a positioning component, a rotating shaft, a limiting cylinder and a fixed cover, wherein a fixed cover is arranged on the top of the pressure signal meter body, a rotating cover is installed on the outside of the fixed cover, both sides of the rotating cover are connected with rotating shafts, a positioning component is connected to the side end of one rotating shaft, and two limiting cylinders are installed on the rotating shaft surface at the top of the pressure signal meter body.

3. A fire-fighting pressure signal meter according to claim 2, characterized in that: The fixed cover and the rotating cover are both in a quarter-cylindrical structure, and the inner wall of the rotating cover is tightly fitted with the surface of the fixed cover.

4. A fire-fighting pressure signal meter according to claim 2, characterized in that: The positioning assembly includes a gear, a block, a ring, a spring and a base plate, wherein a gear is connected to the side end of a rotating shaft on one side, a ring is installed on the side of the pressure signal meter body, a block is embedded in the inside of the ring, a base plate is arranged below the block, and a spring is connected between the block and the base plate.

5. A fire-fighting pressure signal meter according to claim 1, characterized in that: The switch assembly includes a second spring, a through slot, a control block, an insert block and a plug-in unit, wherein a through slot is provided inside the pressure signal meter body, a second spring is embedded inside the through slot, a plug-in unit is connected to the side of the second spring, a control block is connected to the surface of the plug-in unit, and a plug-in unit is connected to the side of the protective plate.

6. A fire-fighting pressure signal meter according to claim 5, characterized in that The plug block is provided with a plug hole inside, the plug-in unit and the plug-in unit are in a plug-in structure, and the surface of the plug-in unit is in close contact with the inner groove wall of the plug-in unit.

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