CN219539284U - Power air supply filtering type respirator with constant temperature control system - Google Patents

Abstract

The utility model relates to the field of safety protection technology, and particularly discloses a power air supply filtering respirator with a constant temperature control system, which comprises a breathing mask and an air supply shell with a hollow inside, wherein an air supply pipe is communicated between the air supply shell and the breathing mask, an air inlet hole is formed in the air supply shell, a filter piece for filtering air entering an inner cavity of the air supply shell is arranged on the air supply shell, and an air supply mechanism for supplying constant temperature air flow to the air supply pipe is arranged in the air supply shell. The respirator of the utility model has the effects of filtering and constant temperature adjusting of the inhaled air so as to improve the safety performance of the respirator.

Description

Power air supply filtering type respirator with constant temperature control system

Technical Field

The utility model relates to the field of safety protection technology, in particular to a power air supply filtering respirator with a constant temperature control system.

Background

Petrochemical industry, epidemic prevention detection, gas factories, urban construction underground construction and other industries generally need to execute long-time, large-span and continuous work tasks; in order to meet the long-term working demands, a power air supply filtering respirator is currently adopted as a main personnel protection device.

In the related art, a powered air supply filtering respirator comprises a breathing mask, a filtering device and a fan which are connected in sequence; the fan and the filtering device are matched for use, so that pure air is conveyed to the breathing mask for breathing of a wearer, and long-time breathing requirements of the user are met in a mode of actively supplying air and filtering the air.

However, due to environmental factors, severe construction environment conditions such as a high-temperature environment, a low-temperature environment and the like often exist in the construction process; in the construction process, under a certain wind pressure and flow flushing, the high-temperature hot air and the low-temperature cold air are easy to stimulate the respiratory tract and the face of a wearer, and the user is easy to suffer heatstroke or frostbite after long-time work, so that the user is physically injured, and the safety performance of the power air supply filtering respirator is deficient.

Disclosure of Invention

In order to solve the problem that the safety performance of the power air supply filtering type respirator is deficient, the utility model provides the power air supply filtering type respirator with a constant temperature control system.

The utility model provides a power air supply filtering type respirator with a constant temperature control system, which adopts the following technical scheme:

the utility model provides a power air supply filtering respirator with constant temperature control system, includes the respirator, still includes inside hollow air supply shell, the air supply shell with the intercommunication is provided with the blast pipe between the respirator, be provided with the fresh air inlet on the air supply shell, be provided with on the air supply shell and be used for carrying out filterable filter element to the air that gets into the air supply shell inner chamber, be provided with in the air supply shell and be used for supplying with the air current to the blast pipe and carry out temperature regulation's air supply mechanism to the air current.

Through adopting above-mentioned technical scheme, in the use, the user wears the respirator in the face, then adjusts air supply mechanism, carries out temperature regulation through air supply mechanism to the air in the casing, then sends into the air current after the temperature regulation to the blast pipe, and in-process filter carries out clean filtration to the air that gets into air supply mechanism to make the blast pipe with the fresh air introduction respirator of temperature moderate in, the person of facilitating the use wears the work for a long time. In long-time work, because the temperature of inhaled fresh air is fit with the human body requirement, the harm on the body is not easy to bring to the user, and the safety performance and the comfort performance of the power air supply filtering type respirator are greatly improved.

Optionally, the air supply mechanism includes the fan that sets up in the air supply shell, is used for carrying out the temperature regulation subassembly that adjusts the temperature to the air that gets into the air supply shell inner chamber, the air-out end of fan orientation the air inlet end of blast pipe.

Through adopting above-mentioned technical scheme, temperature regulation subassembly adjusts the temperature to the air that gets into in the air supply machine shell to with the air temperature regulation to the temperature range that is fit for human breathing, and the fan is with the air blast pipe in, in order to breathe with fresh and the air supply user that the temperature is suitable.

Optionally, the temperature regulation component includes a semiconductor refrigeration module disposed in the blower housing and having a refrigeration mode and a heating mode, a temperature sensing module for detecting an ambient temperature, and a control module for electrically connecting with the temperature sensing module and the semiconductor refrigeration module and driving the semiconductor refrigeration module to perform mode regulation.

Through adopting above-mentioned technical scheme, in the use, detect ambient temperature through the temperature sensing module earlier, then control module receives and handles the data that the temperature sensing module was transmitted, then control module control semiconductor refrigeration module operates to according to the cold and hot temperature of environment and corresponding with semiconductor refrigeration module regulation to refrigeration mode and heating mode, with the temperature regulation in the casing to the suitable temperature of suitable human breathing.

Optionally, a plurality of heat conducting fins are arranged on the air supply shell between the air outlet end of the fan and the semiconductor refrigeration module, and the plurality of heat conducting fins are distributed at intervals along the exhaust direction perpendicular to the fan, and one end of each heat conducting fin is attached.

Through adopting above-mentioned technical scheme, a plurality of conducting strips that set up form the temperature regulation space in the air-out end of fan, when waiting that semiconductor refrigeration module carries out the air heating, conduct the heat energy that semiconductor refrigeration module produced through the conducting strip to form balanced air heating area at the air-out end of fan, in order to fully heat for the air that the fan was blast.

Optionally, a plurality of cooling fins are arranged on one side, far away from the heat conducting fins, of the semiconductor refrigeration module, and a cooling plate exposed out of the outer wall of the air supply shell is arranged on the air supply shell corresponding to the cooling fins.

Through adopting above-mentioned technical scheme, when the semiconductor refrigeration module refrigerates the air that the fan was bloated, the heat energy that semiconductor refrigeration module produced under the refrigerated state is led out the casing through fin, heating panel to guarantee that the organism is inside to be in stable low temperature environment.

Optionally, the filter piece is including setting up the air supply shell in and being located the filtration cotton core of fan inlet end, the access hole has been seted up on the air supply shell, detachable is provided with the protective housing that is used for covering the access hole on the air supply shell.

By adopting the technical scheme, the arranged filter cotton core can filter pollutants such as dust particles in the air so as to provide pure air for a wearer; after the filter cotton core is used for a period of time, the protective shell is arranged through disassembling, so that a worker can replace the filter cotton core, and the equipment is ensured to continuously filter the air breathed by the wearer.

Optionally, an adjusting valve for adjusting the air flow in the air supply pipe is arranged on the air supply pipe.

Through adopting above-mentioned technical scheme, during the equipment use, the user can feel the amount of wind size earlier, and if the amount of wind somatosensory is uncomfortable, can carry out the fine setting of amount of wind through the governing valve on the regulation blast pipe to improve user's use experience.

Optionally, two waistbands are fixedly arranged on the air supply shell, and movable ends of the two waistbands are detachably connected with each other.

Through adopting above-mentioned technical scheme, the user is equipped with the air feeder casing to waist through two waistbands, wears the respirator in the face again, can be light carry out site operation.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the user wears the breathing mask on the face, then adjusts the air supply mechanism, adjusts the temperature of the air in the shell through the air supply mechanism and sends the air flow with the adjusted temperature to the air supply pipe, and the filter element cleans and filters the air entering the air supply mechanism in the process, so that the air supply pipe guides the fresh air with moderate temperature into the breathing mask, and the breathing mask is convenient for the user to wear for a long time;

2. the temperature adjusting component adjusts the temperature of the air entering the air supply shell to adjust the temperature of the air to a temperature range suitable for human breathing, and the fan blows the air into the air supply pipe to supply fresh air with proper temperature for a user to breathe;

3. when the semiconductor refrigeration module heats air, heat energy generated by the semiconductor refrigeration module is conducted through the heat conducting sheet, so that an even air heating area is formed at the air outlet end of the fan, and air blown by the fan is fully heated.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is an exploded view of the intelligent air supply main unit;

fig. 3 is a schematic view of a structure of a fan, a heat conductive sheet, and a semiconductor cooling sheet.

Reference numerals: 1. a respiratory mask; 2. an air supply pipe; 3. a regulating valve; 4. an air supply housing; 5. a waistband; 6. an air outlet; 7. an air supply mechanism; 71. a heat conductive sheet; 72. a fan; 73. a semiconductor refrigeration sheet; 74. a heat sink; 8. filtering the cotton core; 9. a protective shell; 10. a temperature sensing module; 11. a power supply; 13. an air volume control key; 14. an operating status indicator light; 15. a startup and shutdown key; 16. a battery power display lamp; 17. an air supply quantity display lamp; 18. and a heat dissipation plate.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a powered air supply filtering respirator with a constant temperature control system. Referring to fig. 1 and 2, a powered air-fed filtering respirator with a thermostatic control system includes a respiratory mask 1, an air-feed tube 2, and an intelligent air-feed main machine. Be provided with the breather valve on the respirator 1, intelligent air supply host computer includes inside hollow air supply shell 4, is provided with air outlet 6 on the air supply shell 4, through blast pipe 2 screw thread intercommunication between air outlet 6 and the respirator 1 of air supply shell 4, is provided with the governing valve 3 that is used for adjusting intraductal air flow on the blast pipe 2. An air inlet hole is arranged on the side wall of the air supply shell 4, and a filter for filtering air entering the inner cavity of the air supply shell 4, an air supply mechanism 7 for supplying constant temperature air flow to the air supply pipe 2 and a power supply 11 for supplying energy to the air supply mechanism 7 are arranged in the air supply shell 4.

Referring to fig. 2 and 3, the air supply mechanism 7 includes a fan 72 disposed in the air supply housing 4, and a temperature adjusting component for adjusting the temperature of air entering the inner cavity of the air supply housing 4, wherein the air outlet end of the fan 72 faces the air inlet end of the air supply pipe 2; the temperature adjustment assembly comprises a semiconductor refrigeration module which is arranged in the air supply shell 4 and has a refrigeration mode and a heating mode, a temperature sensing module 10 for detecting the ambient temperature, and a control module (not shown in the figure) for driving the semiconductor refrigeration module to perform mode adjustment. The control module is electrically connected with the temperature sensing module 10, the semiconductor refrigeration module and the power supply 11, and comprises a receiver, a processor, a central processing unit and a power supply manager.

In this embodiment, the semiconductor refrigeration module includes a semiconductor refrigeration sheet 73, the semiconductor refrigeration sheet 73 adopts the peltier effect principle, and has two effects of heating and cooling, when in use, according to the direction of current, one side of the substrate of the semiconductor refrigeration sheet 73 absorbs heat, and the other side absorbs heat, so that the cold and hot sides can be switched, thereby realizing the adjustment of the refrigeration mode and the heating mode. Specifically, the upper surface of one end of the semiconductor cooling sheet 73 facing the exhaust air duct of the fan 72 is set as an a surface, the surface facing away is set as a B surface, and two lead wires are provided on the semiconductor cooling sheet 73.

In order to improve the temperature control performance of the intelligent host, a plurality of heat conducting fins 71 are arranged between the air outlet end of the fan 72 and the semiconductor refrigerating fins 73 on the air blower housing 4, the plurality of heat conducting fins 71 are distributed at intervals along the air exhaust direction perpendicular to the fan 72, and one end of each heat conducting fin 71 is attached to the surface of the semiconductor refrigerating fin 73. The semiconductor cooling fin 73 is provided with a plurality of cooling fins 74 on a side far away from the heat conducting fin 71, and the blower housing 4 is provided with a heat radiating plate 18 exposed to the outer wall of the blower housing 4 corresponding to the cooling fins 74.

In use, the temperature sensing module 10 detects whether the ambient temperature is between 18-26 ℃, and if the detected temperature is higher than 26 ℃, the control module drives the semiconductor refrigeration assembly to operate. In the process, the central processing unit outputs control signals to the power supply 11 management circuit, so that the two ends of the semiconductor refrigerating sheet 73 work in a forward voltage state. When working in the forward voltage state, the A face of the semiconductor refrigerating sheet 73 is refrigerated and the B face is heated, and cold air is conveyed into the breathing mask 1 for breathing by a wearer under the action of the fan 72. The heat energy generated on the B surface of the semiconductor cooling plate 73 is released through the heat sink 74 and the heat dissipation plate 18, so that the heat energy is finally conducted to the outside of the intelligent air supply host.

If the detected temperature is lower than 18 ℃, the control module drives the semiconductor refrigeration assembly to operate. The central processing unit outputs control signals to the power supply 11 management circuit, so that two ends of the semiconductor refrigerating sheet 73 work in a reverse voltage state, when the semiconductor refrigerating sheet 73 works in the reverse voltage state, the surface A heats the surface B for refrigerating, the surface A is connected with the heat conducting sheet 71 of the air outlet 6, and hot air is transmitted to the breathing mask 1 for breathing of a wearer under the action of the air supply fan 72. The cool air generated on the B surface of the semiconductor cooling fin 73 is released through the cooling fin 74 and the cooling plate 18, and the cooling air is finally conducted to the outside of the intelligent blower main unit due to the close design of the cooling fin 74 and the cooling plate 18 with the blower housing 4.

In another embodiment, the temperature adjusting assembly comprises an electric heating wire and a micro refrigerator which are arranged in the air supply shell 4 and arranged at the air exhaust end of the fan 72, the electric heating wire and the micro refrigerator are electrically connected with the power supply 11, and a control switch which is electrically connected with the control module and used for controlling the operation of the electric heating wire and the micro refrigerator is arranged on the air supply shell 4. In the use, the user can carry out the regulation of control switch according to the demand, and adjusts one by one of electric heating wire and miniature refrigerator, and then carries out the temperature regulation of the air that supplies the user to breathe.

Referring to fig. 2, in order to clean air for breathing by a user, the filter member includes a filter cotton core 8 disposed in the blower housing 4 and located at an air inlet end of the fan 72, an access hole is formed in the blower housing 4, a protective housing 9 for covering the access hole is detachably disposed on the blower housing 4, and any one of elastic snap connection, bolt connection or snap connection can be adopted between the protective housing 9 and the blower housing 4 in a detachable manner. In other embodiments, the filter element comprises a filter plate inserted into the blower housing 4 and positioned at the air inlet end of the fan 72, the filter plate being in the form of a mesh panel body having an air permeable filter material therein for filtering air.

Referring to fig. 1 and 2, in order to facilitate the regulation and control of the respirator by the user, the blower housing 4 is provided with a blower control key 13, an operation state indicator lamp 14, a switch key 15, a battery power display lamp 16 and a blower amount display lamp 17, which are electrically connected with the control module. In order to facilitate the wearing of users, two waistbands 5 are fixedly arranged on the air supply shell 4, and the movable ends of the two waistbands 5 are mutually detachably connected. In this embodiment, the movable ends of the two waistbands 5 are connected to each other by using a buckle. In other embodiments, the two waistbands 5 may be bonded by using velcro.

Furthermore, a self-checking system is arranged in the control module, and the control module firstly enters a self-checking state after the intelligent air supply host machine is started so as to judge whether functions of the filter cotton core 8, the sensor assembly, the battery electric quantity, the air supply quantity and the like are normal or not; the battery power display lamp 16, the air supply quantity display lamp 17 and the running state indicator lamp 14 can warn in a red light state when abnormal conditions exist, and meanwhile, a buzzer in the circuit gives an alarm. If one of the red lights is on, the product itself is abnormal, the problem is judged according to the indicator lights, and the product can be normally worn and used only in a green light state.

The embodiment of the utility model provides a power air supply filtering respirator with a constant temperature control system, which is implemented by the following principle: in the use process, a user wears the breathing mask 1 on the face, and the air supply shell 4 is fixed on the waist through the waistband 5; then adjust air supply mechanism 7, carry out temperature regulation through air supply mechanism 7 to the air in the air supply housing 4, then send into the air current after the temperature regulation to blast pipe 2, the in-process filter is clean to the air that gets into air supply mechanism 7 and is filtered to make blast pipe 2 with the fresh air introduction respirator 1 that the temperature is moderate, the person of facilitating the use wears the work for a long time. In long-time work, because the inhaled fresh air temperature is fit with the human body requirement, the harm on the body is not easy to be brought to the user, and the safety performance and the comfort performance of the power air supply filtering type respirator are greatly improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (5)

1. A powered air-fed filtering respirator with a thermostatic control system, comprising a respiratory mask (1), characterized in that: the air supply device comprises a breathing mask (1) and is characterized by further comprising an air supply shell (4) with a hollow inside, wherein an air supply pipe (2) is communicated between the air supply shell (4) and the breathing mask (1), an air inlet is formed in the air supply shell (4), a filter piece for filtering air entering the inner cavity of the air supply shell (4) is arranged on the air supply shell (4), and an air supply mechanism (7) for supplying constant-temperature air flow to the air supply pipe (2) is arranged in the air supply shell (4);

the air supply mechanism (7) comprises a fan (72) arranged in the air supply shell (4) and a temperature adjusting component used for adjusting the temperature of air entering the inner cavity of the air supply shell (4), and the air outlet end of the fan (72) faces the air inlet end of the air supply pipe (2);

the temperature adjusting assembly comprises a semiconductor refrigerating module, a temperature sensing module (10) and a control module, wherein the semiconductor refrigerating module is arranged in an air blower shell (4) and is provided with a refrigerating mode and a heating mode, the temperature sensing module is used for detecting the ambient temperature, and the control module is used for being electrically connected with the temperature sensing module (10) and the semiconductor refrigerating module and driving the semiconductor refrigerating module to conduct mode adjustment;

a plurality of heat conducting fins (71) are arranged on the air supply shell (4) between the air outlet end of the fan (72) and the semiconductor refrigeration module, and the plurality of heat conducting fins (71) are distributed at intervals along the air exhaust direction perpendicular to the fan (72).

2. A powered air moving filtering respirator having a thermostatic control system as defined in claim 1 wherein: and one side of the semiconductor refrigeration module, which is far away from the heat conducting fin (71), is provided with a plurality of heat radiating fins (74), and the air blower shell (4) is provided with a heat radiating plate (18) exposed out of the outer wall of the air blower shell (4) corresponding to the heat radiating fins (74).

3. A powered air moving filtering respirator having a thermostatic control system as defined in claim 1 wherein: the filter piece is including setting up in air supply shell (4) and being located filtration cotton core (8) of fan (72) inlet end, the access hole has been seted up on air supply shell (4), detachable is provided with protective housing (9) that are used for covering the access hole on air supply shell (4).

4. A powered air moving filtering respirator having a thermostatic control system as defined in claim 1 wherein: the air supply pipe (2) is provided with a regulating valve (3) for regulating the air flow in the pipe.

5. A powered air moving filtering respirator having a thermostatic control system as defined in claim 1 wherein: two waistbands (5) are fixedly arranged on the air blower shell (4), and movable ends of the two waistbands (5) are detachably connected with each other.