CN219478060U - UWB safe type location basic station - Google Patents

Abstract

The utility model discloses a UWB safe type positioning base station, which comprises a hollow UWB positioning base station shell, wherein the upper surface of the UWB positioning base station shell is fixedly connected with a servo motor through a bracket, an output shaft of the servo motor is fixedly connected with a driving shaft, a pumping cavity and two air inlets are formed in the top wall of the UWB positioning base station shell, the air inlets are used for communicating the pumping cavity with the outside, the driving shaft is in penetrating and rotating connection with the top wall of the UWB positioning base station shell through a bearing and extends into the pumping cavity, one end of the driving shaft, which is positioned in the pumping cavity, is in interference fit with a cam, two pump plates are in sealing sliding connection in the pumping cavity, a plurality of first springs are fixedly connected between the pump plates and the inner wall of the pumping cavity, and a plurality of discharge pipes are in penetrating and fixedly connected with the top wall of the UWB positioning base station shell. The utility model has better heat dissipation effect, can automatically extinguish fire when a fire occurs, and has higher safety.

Description

UWB safe type location basic station

Technical Field

The utility model relates to the technical field of UWB positioning, in particular to a UWB safe positioning base station.

Background

Because of the special geographical environment in the coal mine, once accidents occur, rescue workers often have difficulty in knowing the actual situation in the coal mine and the accurate position of trapped people, so that rescue work is extremely difficult, and in order to know the position state of the underground workers or the position state of equipment in real time, the position of the underground workers or the position of the equipment needs to be positioned, but the positioning precision of the traditional positioning technology such as WIFI, 4G base stations, bluetooth and the like is generally low. The accurate ranging and positioning technology based on ultra-bandwidth UWB wireless communication has become the research focus of underground positioning due to the advantages of simple structure, low cost, small volume, low power consumption, high multipath resolution, high noise resistance, high interference resistance and the like, and the positioning base station is an important device for receiving positioning information.

In the prior art, the existing positioning base station generates a large amount of heat in the existing positioning base station during the working process due to the operation of a large amount of electronic elements, the existing heat dissipation mode is to set up a radiator to dissipate heat passively by means of air flow, the heat dissipation effect is general, good heat dissipation is not achieved, internal circuits are easy to be spontaneous combustion after heat accumulation, the existing positioning base station cannot actively extinguish the fire after spontaneous combustion, and the safety is poor.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a UWB safety type positioning base station.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a UWB safe type location basic station, includes hollow UWB location basic station shell, UWB location basic station shell upper surface is through support fixedly connected with servo motor, servo motor's output shaft fixedly connected with drive shaft, offer a pumping chamber and two inlet ports in the UWB location basic station shell roof, the inlet port is with pumping chamber and external intercommunication, the drive shaft runs through rotation through the bearing with UWB location basic station shell roof and is connected and extends to in the pumping chamber, the one end interference fit that the drive shaft is located pumping chamber has the cam, sealed sliding connection in the pumping chamber has two pump plates, fixedly connected with a plurality of first springs between pump plate and the pumping chamber inner wall, UWB location basic station shell roof runs through fixedly connected with a plurality of discharge pipes, the discharge pipe will pumping chamber and the inside intercommunication of UWB location basic station shell.

Preferably, two liquid storage cavities, a communication cavity, a first groove and a second groove are formed in the top wall of the UWB positioning base station shell, water-based fire extinguishing agents are filled in the liquid storage cavities, the communication cavity is used for communicating the corresponding liquid storage cavities with a pumping cavity, a pressure release valve is arranged in the communication cavity, the first groove penetrates through the corresponding air inlet hole, a balancing weight is connected in the first groove in a sliding mode, the second groove penetrates through the corresponding first groove, a stop block is connected in the second groove in a sliding mode, an electric push rod is fixedly connected to the inner end wall of the second groove, and the output end of the electric push rod is fixedly connected with the corresponding stop block.

Preferably, the balancing weight is made of solid low-carbon steel, and the outer wall of the balancing weight is wrapped with a sealing rubber pad.

Preferably, the side wall of the UWB positioning base station shell is provided with a plurality of ventilation holes.

Preferably, the air inlet, the discharge pipe and the communication cavity are respectively provided with a one-way valve.

Preferably, the liquid storage cavity is internally and hermetically connected with a sliding plate in a sliding manner, and a second spring is fixedly connected between the sliding plate and the inner end wall of the liquid storage cavity.

Compared with the prior art, the utility model has the advantages that:

1. the cam is driven to rotate through the rotation of the servo motor, and the two pump plates continuously reciprocate through the cooperation of the cam and the pair of springs, so that external air is sucked into the pumping cavity through the air inlet holes and then discharged into the UWB positioning base station shell through the discharge pipe, the air in the UWB positioning base station shell forcedly flows, heat dissipation is actively carried out, and the heat dissipation effect is guaranteed;

2. if spontaneous combustion occurs in an internal circuit, monitoring is performed through a smoke probe, when smoke is monitored, the smoke probe enables the electric push rod to be electrified and retracted through a PLC control circuit, so that the limit of the balancing weight is relieved by the stop block, the balancing weight slides down to seal the air inlet hole, and at the moment, the fire extinguishing agent in the liquid storage cavity can be pumped into the UWB positioning base station shell through the movement of the pump plate to extinguish a fire source, and the fire extinguishing safety is higher actively performed;

3. the water-based fire extinguishing agent is adopted, the water-based water mist fire extinguisher is environment-friendly, and the agent can be biologically degraded by 100% after fire extinguishing, so that pollution to surrounding equipment and space can be avoided.

Drawings

Fig. 1 is a schematic structural diagram of a UWB security positioning base station according to the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a partial cross-sectional view at A-A in fig. 1.

In the figure: the device comprises a UWB positioning base station shell, a 2 servo motor, a 3 pump suction cavity, a 4 driving shaft, a 5 cam, a 6 pump plate, a 7 first spring, an 8 ventilation hole, a 9 discharge pipe, a 10 liquid storage cavity, an 11 sliding plate, a 12 second spring, a 13 communication cavity, a 14 pressure release valve, a 15 first groove, a 16 balancing weight, a 17 second groove, an 18 electric push rod, a 19 check block, a 20 air inlet hole and a 21 smoke probe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a UWB safe positioning base station, including hollow UWB positioning base station shell 1, UWB positioning base station shell 1 upper surface is through support fixedly connected with servo motor 2, servo motor 2's output shaft fixedly connected with drive shaft 4, offer a pumping chamber 3 and two inlet ports 20 in UWB positioning base station shell 1 roof, inlet ports 20 are with pumping chamber 3 and external intercommunication, drive shaft 4 runs through rotation through the bearing with UWB positioning base station shell 1 roof and is connected and extend to pumping chamber 3 in, drive shaft 4 is located the one end interference fit in pumping chamber 3 has cam 5, sealing sliding connection has two pump plates 6 in pumping chamber 3, as shown in fig. 1, space and external intercommunication between two pump plates 6, guarantee that two sealing sliding connection's pump plates 6 can freely slide, fixedly connected with a plurality of first springs 7 between pump plate 6 and the pumping chamber 3 inner wall, UWB positioning base station shell 1 roof runs through fixedly connected with a plurality of discharge pipes 9, discharge pipe 9 is with pumping chamber 3 and UWB positioning base station shell 1 inside intercommunication.

The top wall of the UWB positioning base station shell 1 is internally provided with two liquid storage cavities 10, a communication cavity 13, a first groove 15 and a second groove 17, the liquid storage cavities 10 are internally filled with a water-based fire extinguishing agent, the communication cavity 13 is used for communicating the corresponding liquid storage cavities 10 with the pumping cavity 3, the pressure release valve 14 is arranged in the communication cavity 13, the pressure release valve 14 can be automatically opened when the pressure reaches a certain value, after the air inlet hole 20 is plugged, the elastic force generated by the first spring 7 is enough to enable the pressure release valve 14 to be opened, the first groove 15 penetrates through the corresponding air inlet hole 20, the balancing weight 16 is connected in the first groove 15 in a sliding manner, the second groove 17 penetrates through the corresponding first groove 15, the second groove 17 is connected with the stop 19 in a sliding manner, the inner end wall of the second groove 17 is fixedly connected with the electric push rod 18, the electric push rod 18 can retract after being electrified, the power is cut off to be in an extending state, the electric push rod 18 is connected with a PLC control circuit, the output end of the electric push rod 18 is fixedly connected with the corresponding stop 19, the inner side wall of the UWB positioning base station shell 1 is fixedly connected with a smoke probe 21, the smoke spring 21 is connected with the PLC control circuit, and the electric push rod 18 can be electrified.

The balancing weight 16 is made of solid low-carbon steel, the weight of the balancing weight 16 made of steel is larger, the balancing weight 16 can be guaranteed to completely slide into the air inlet hole 20 under the self gravity, the sealing rubber cushion wraps the outer wall of the balancing weight 16, and the air inlet hole 20 is plugged after the balancing weight 16 slides down.

The side wall of the UWB positioning base station shell 1 is provided with a plurality of ventilation holes 8.

The air inlet hole 20, the discharge pipe 9 and the communication cavity 13 are respectively provided with a one-way valve, the one-way valve in the air inlet hole 20 only allows air to enter the pumping cavity 3 from the outside, the discharge pipe 9 only allows air and fire extinguishing agent to enter the UWB positioning base station shell 1 from the pumping cavity 3, and the one-way valve in the communication cavity 13 only allows fire extinguishing agent to enter the pumping cavity 3 from the liquid storage cavity 10.

The interior sealing sliding connection of stock solution chamber 10 has slide plate 11, and slide plate 11 keeps away from the space and the external intercommunication of intercommunication chamber 13 one side, guarantees that slide plate 11 can freely slide, and the fire extinguishing agent fills between slide plate 11 and intercommunication chamber 13, fixedly connected with second spring 12 between slide plate 11 and the interior wall of stock solution chamber 10 for the fire extinguishing agent is being extracted the in-process, and slide plate 11 can be along with the continuous transport of fire extinguishing agent to intercommunication chamber 13 department of extraction, guarantees the complete suction of fire extinguishing agent.

In the utility model, during the use process of the UWB positioning base station, the servo motor 2 rotates, the driving shaft 4 drives the cam 5 to rotate, and the cam 5 is matched with the first spring 7 to enable the two pump plates 6 to alternately reciprocate, so that the pump plates 6 suck outside air into the pumping cavity 3 through the air inlet holes 20 and then discharge the sucked air into the UWB positioning base station shell 1 through the discharge pipe 9 in the reciprocating motion process, and the air in the UWB positioning base station shell 1 is discharged through the air vent 8, thereby realizing forced air flow, active heat dissipation and guaranteeing the heat dissipation effect;

when the UWB positioning base station shell 1 fires, smoke generated by the fire is detected by the smoke spring 21, the smoke spring 21 sends a signal to the PLC control circuit, the electric push rod 18 is electrified and retracted through the PLC control circuit, so that the limit of the balancing weight 16 is released by the stop block 19, the balancing weight 16 slides down to block the air inlet 20, at the moment, the reciprocating motion of the pump plate 6 can not extract external air again due to the blocking of the air inlet 20, the internal air pressure is increased until the opening pressure of the pressure relief valve 14 is reached, the pressure relief valve 14 drives the fire extinguishing agent in the pump suction cavity 3, and the fire extinguishing agent is discharged through the discharge pipe 9 to perform active fire extinguishing.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a UWB safe type location basic station, includes hollow UWB location basic station shell (1), its characterized in that, UWB location basic station shell (1) upper surface is through support fixedly connected with servo motor (2), output shaft fixedly connected with drive shaft (4) of servo motor (2), offer one in UWB location basic station shell (1) roof and pump suction chamber (3) and two inlet port (20), inlet port (20) are with pump suction chamber (3) and external intercommunication, drive shaft (4) run through rotation through with UWB location basic station shell (1) roof and are connected and extend to in pump suction chamber (3) through the bearing, one end interference fit that drive shaft (4) are located pump suction chamber (3) has cam (5), sealed sliding connection has two pump plates (6) in pump suction chamber (3), fixedly connected with a plurality of first springs (7) between pump suction chamber (3) inner wall, UWB location basic station shell (1) roof run through fixedly connected with a plurality of discharge pipes (9), discharge pipe (9) will pump suction chamber (3) and the inside intercommunication of UWB location basic station (1).

2. The UWB safe positioning base station according to claim 1, characterized in that two liquid storage cavities (10), a communication cavity (13), a first groove (15) and a second groove (17) are formed in the top wall of the UWB positioning base station housing (1), water-based fire extinguishing agent is filled in the liquid storage cavities (10), the corresponding liquid storage cavities (10) are communicated with the pumping cavity (3) through the communication cavity (13), a pressure release valve (14) is arranged in the communication cavity (13), the first groove (15) penetrates through the corresponding air inlet hole (20), a balancing weight (16) is connected in the first groove (15) in a sliding manner, a stop block (19) is connected in the second groove (17) in a sliding manner, an electric push rod (18) is fixedly connected with the inner end wall of the second groove (17), and the output end of the electric push rod (18) is fixedly connected with the corresponding stop block (19), and the inner side wall of the UWB positioning base station housing (1) is fixedly connected with smoke (21).

3. The UWB safe positioning base station according to claim 2, characterized in that the weight (16) is made of solid low carbon steel, and the outer wall of the weight (16) is wrapped with a sealing rubber pad.

4. The UWB safe positioning base station according to claim 1, characterized in that the UWB positioning base station housing (1) side wall is provided with a number of ventilation holes (8).

5. The UWB safe positioning base station according to claim 2, characterized in that the air inlet (20), the exhaust pipe (9) and the communication cavity (13) are provided with one-way valves.

6. The UWB safe positioning base station according to claim 2, characterized in that a sliding plate (11) is connected in a sealing sliding manner in the liquid storage cavity (10), and a second spring (12) is fixedly connected between the sliding plate (11) and the inner end wall of the liquid storage cavity (10).