CN217819395U - Smoke generating device and range hood test system adopting same - Google Patents

Abstract

The utility model discloses a smoke generating device and a range hood testing system adopting the same, wherein the smoke generating device comprises a communicating pipe and a diffusing hole, the communicating pipe is hollow, and one end of the communicating pipe is connected with a cavity for generating smoke so that the generated smoke can flow in the communicating pipe; the emission hole is a through hole arranged at the opening end of the communicating pipe or on the wall surface of the communicating pipe, and is positioned in the mouth and nose area of an operator; compared with the prior art, the utility model discloses a smoke generating device, when being used for range hood test system, consider operating personnel in the use in the testing process, under its mouth nose breathing air condition, can be by the condition of the inspiratory oil smoke particulate matter of operating personnel, the reference value of testing result is higher, differentiates the range hood that suitable operating personnel is healthy for operating personnel according to range hood test system's testing result.

Description

Smoke generating device and range hood test system adopting same

Technical Field

The utility model relates to a kitchen air purification technical field specifically, relates to a smoke generating device and adopt its range hood test system.

Background

Range hood is used for purifying kitchen air, with the amount of inhaling of reduction operating personnel to the oil smoke at the during operation, how the purifying effect of range hood to the air is on the end usually, operating personnel can not clear perception, if when range hood with the kitchen can be by the material purification that operating personnel smelled, operating personnel can feel the air in kitchen by the up to standard that range hood purified, but have some in the air and be smelled the material that operating personnel can not, when these materials are not purified by range hood, even if operating personnel can not smell the taste that kitchen air has, harmful substance still exists, after being inhaled by operating personnel for a long time, can influence operating personnel's health. Present kitchen, in order to detect the purifying effect of range hood to the kitchen air, range hood test system has been set up, this detecting system is used for detecting the purifying effect of range hood to the kitchen air, this detecting system is arranged the top of range hood or the both sides of range hood usually, and when the kitchen air is detected, there is not operating personnel in the kitchen, the oil smoke condition when such testing result and detection, different with the oil smoke condition of operating personnel actual when the kitchen operation, can not represent the air quality in range of breathing of range hood during operation operating personnel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a smoke generating device and adopt its range hood test system, it is used for solving above-mentioned technical problem.

A smoke generating device is used for a range hood test system, is used for generating smoke containing PM2.5-PM10 particulate matters and/or VOCs, and comprises a communicating pipe and a diffusing hole, wherein the communicating pipe is hollow, and one end of the communicating pipe is connected with a cavity for generating the smoke so that the generated smoke can flow in the communicating pipe; the emission hole is a through hole arranged at the opening end of the communicating pipe or on the wall surface of the communicating pipe, and the emission hole is positioned in the mouth and nose area of an operator.

According to the utility model discloses an embodiment, the smoke generating device includes the mechanism of fuming, the mechanism of fuming is the heating plate with temperature controller, the temperature controller is used for making the temperature of heating plate in the appointed scope, the temperature appointed scope of heating plate is 120 degrees centigrade to 300 degrees centigrade, still include the instillation mechanism, the instillation mechanism is provided with the instillation mouth that is located above the heating plate, the instillation mouth is used for throwing into the smoke generating agent to the heating plate, the flue gas that the smoke generating agent produced gets into the chamber of flue gas, wherein the smoke generating agent is the mixture of water and butanone; or the smoke agent is a mixture of water and edible oil.

According to an embodiment of the utility model, the smoke generating device comprises a smoke generating mechanism, the smoke generating mechanism is a heating plate with a temperature controller, edible oil covering the bottom of the heating plate is arranged in the heating plate, the temperature controller is used for ensuring that the temperature of the edible oil in the heating plate is in a specified range, the specified range of the temperature of the edible oil is 120-300 ℃, and the smoke generating device also comprises a feeding mechanism, the feeding mechanism is used for feeding food materials into the edible oil; the food stirring device further comprises a stirring mechanism, and the stirring mechanism is used for stirring food materials and edible oil.

According to the utility model discloses an embodiment, communicating pipe sets up a plurality of holes that give off including giving off the section, the interval in giving off the section, gives off the section and is the combination of arc or multistage segmental arc, gives off the section and is similar with the peripheral profile arc of people's face, and the level sets up the oronasal region at the people's face.

According to an embodiment of the present invention, the communicating pipe is fixed and connected by the supporting frame, and the communicating pipe is a hose; the pipe wall of the communicating pipe is transparent or semitransparent; the communicating pipe is fixed on the support frame through a fastener, or the communicating pipe is fixed on the support frame through a clamping structure which is matched with the local shape of the communicating pipe.

According to one embodiment of the utility model, the support frame is in a doll shape, and comprises a head part, a neck part and a body part which are connected, and the doll is vertically arranged; the width of the head and neck is 15.5 cm to 19 cm, and the thickness is 13.5 cm to 15 cm; the trunk part has a width dimension of 35 cm to 50 cm and a thickness dimension of 15 cm to 25 cm; the head and neck are provided with mouth and nose positions, and the air suction range of the doll is 20 cm to 75 cm above the cooking platform.

The utility model provides a range hood test system, adopts foretell smoke generating device, its characterized in that: the range hood detection device comprises a setting position, a detection position and a control position, wherein the setting position comprises a connecting structure for fixing a range hood to be detected, and faces an operation space which is used for an operator to stand and operate; the air quality detector is provided with a first air introducing port which is arranged in a corresponding inhaling range at the mouth and the nose of the person.

According to the utility model discloses an embodiment sets up the position and is used for setting up and wait to detect range hood to set up the position and to operating space, set up cooking platform under it, the last smoke generating device that sets up of cooking platform, smoke generating device have the exhaust port, and exhaust port exhaust flue gas, and the flue gas is inhaled away by the inlet scoop that waits to detect range hood.

According to one embodiment of the present invention, the setting site is a vertical wall surface or a vertical support, one end of the connection structure is fixed, and the connection structure is fixed on the vertical wall surface or the vertical support; the connecting structure is a plug connector, one end of the plug connector is fixed on the vertical wall surface or the vertical support, and the other end of the plug connector is plugged to the corresponding connecting structure of the range hood to be detected; the connecting structure is a screw connector, one end of the screw connector is fixed on the vertical wall surface or the vertical support, and the other end of the screw connector is screwed on the corresponding connecting structure of the range hood to be detected; the connecting structure is a clamping piece, one end of the clamping piece is fixed on the vertical wall surface or the vertical support, and the other end of the clamping piece is clamped on the corresponding connecting structure of the range hood to be detected.

According to an embodiment of the present invention, the air quality detector is an integrated type, and has a first air introduction port and a second air introduction port, which are connected to each other through a ventilation pipe; the air quality detector is split type, and is provided with a first air inlet and a second air inlet, and independent detection parts are respectively communicated with the first air inlet and/or the second air inlet; the air quality detector is provided with a shell, an air inlet and an air outlet are arranged on the shell, the air inlet is an air introducing port, or the air introducing port is communicated with the air inlet through a vent pipe; the device is provided with a one-way air channel, wherein a detection device is arranged in the one-way air channel, and the detection device is a dust particle detection device and/or a VOCs detection device.

Compared with the prior art, the utility model discloses a smoke generating device has following advantage:

the utility model discloses a smoke generating device, when being used for range hood test system, consider operating personnel in the use in the testing process, under its mouth nose breathing air condition, can be by the condition of the inspiratory oil smoke particulate matter of operating personnel, the reference value of testing result is higher, differentiates the range hood that suitable operating personnel is healthy for operating personnel according to range hood test system's testing result.

Drawings

FIG. 1 is a schematic view of a smoke generating device;

fig. 2 is a schematic diagram of a state of a range hood detection system using the smoke generating device of the present invention when detecting a range hood to be detected;

in the figure: 11. communication pipe, 12, emission hole, 13, smoke generating mechanism, 14, support frame, 141, head and neck, 142, body, 15, setting position, 16, air quality detector, 17, range hood to be detected, 18, cooking platform

The utility model discloses realization and the advantage of function will combine the embodiment, will make further explanation with the attached drawing.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings for the sake of simplicity.

It should be noted that all the directional indicators (such as upper, lower, left and right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

For a further understanding of the contents, features and effects of the present invention, the following embodiments will be illustrated in detail in conjunction with the accompanying drawings:

the range hood is used for purifying kitchen air so as to reduce the suction amount of oil smoke of an operator during working, and an exhaust inlet of the range hood sucks the oil smoke emitted by a cooker on the cooking platform when the range hood works; the kitchen laboratory detection setting condition in the existing standard is to set the position of a sampling point at the outer side of the range hood, and limit the distance between the sampling point and the wall at the two sides of the mounting point, so that the laboratory detection has the oil fume (with odor air) purification effect in a kitchen room, the difference between the oil fume purification effect and the actual use scene of an operator is far, and the situation that whether the actual operator is damaged by pollutants in the operation process can not be reflected. In the actual use scene of range hood, operating personnel often stands in the front of cooking utensils, and the negative pressure that the cigarette machine opened the production can make the front have the air current that flows in, and when operating personnel stood, can form because block the vortex region that produces, the air current tissue of reality and the air flow that nobody blockked the condition have very showing difference, because current detection mode, do not set up the people idol, the air current tissue form that obtains during the detection can't be the same with the air current tissue form when actual operating personnel cook and fry dish, so can't realize accurate detection. So when detecting the purifying effect of kitchen oil smoke, the kitchen air flow condition when current laboratory detection mode can not simulate operating personnel actual operation does not consider operating personnel in the use, under its mouth nose breathing air condition, can be by the inspiratory oil smoke particulate matter of operating personnel. The utility model provides a smoke generating device, when the test system of the range hood detects the purifying effect of the oil smoke, the smoke generating device sends the smoke containing PM2.5-PM10 particulate matter and VOCs in the mouth and nose area of the operator, when the range hood works, the test system of the range hood detects the condition that the smoke generating device sends the smoke containing PM2.5-PM10 particulate matter and VOCs in the mouth and nose area of the operator, so as to judge the purifying effect of the range hood to be detected on the oil smoke in the mouth and nose area of the operator; set up smoke generating device, can consider operating personnel in the use in the detection process, under its mouth nose breathing air condition, can be by the condition of the inspiratory oil smoke particulate matter of operating personnel, the reference value of testing result is higher, differentiates the range hood that suitable operating personnel is healthy for operating personnel according to range hood test system's testing result.

Referring to fig. 1 and fig. 2, the smoke generating device of the present invention is used in a testing system of a range hood, when the testing system of the range hood detects a range hood 17 to be detected, the smoke generating device is used to generate smoke containing PM2.5-PM10 particulate matter and/or VOCs, and includes a communicating pipe 11 and a diffusing hole 12, the communicating pipe 11 is hollow, and one end of the communicating pipe is connected to a cavity generating the smoke, so that the generated smoke can flow in the communicating pipe 11; the emission hole 12 is a through hole formed at an open end of the communication pipe 11 or a wall surface of the communication pipe 11, and the emission hole 12 is located in an oral-nasal area of an operator. When treating to detect range hood 17 and examining time measuring, smoke generating device is set up at operating personnel's mouth nose position, smoke generating device produces the chamber and communicating pipe 11 intercommunication of flue gas, the flue gas that the intracavity produced flows in communicating pipe 11, and from giving off hole 12 effluvium in operating personnel's mouth nose region, when treating range hood 17 start-up, from giving off hole 12 the flue gas that contains PM2.5-PM10 particulate matter and VOCs will be inhaled by the inlet scoop that treats range hood 17, range hood test system sets up check point one in operating personnel's mouth nose region, range hood test system detects PM2.5-PM10 particulate matter and VOCs's content in the air of range hood and has represented and has detected the purifying effect of range hood 17 to operating personnel's mouth nose region's oil smoke in the check point one detection, the purifying effect of operating personnel's mouth nose region's oil smoke has represented and has waited to detect range hood 17 during operation, under the operating personnel mouth nose breathing air condition, can be inhaled oil smoke particulate matter content by operating personnel, the detecting result of range hood one is to judge that to detect range hood 17 to the purifying effect reference meaning to the air of air purification effect, can actually react when treating the operating personnel's air quality that detects the range hood 17 and has more has the health to detect the range hood.

Please refer to fig. 1 and fig. 2, the utility model discloses a smoke generating device, smoke generating device include smoke generating mechanism 13, smoke generating mechanism 13 is for the heating plate that has the temperature controller, the temperature controller is used for making the temperature of heating plate in the specified range, the specified range of temperature of heating plate is 120 degrees centigrade to 300 degrees centigrade, still include instillation mechanism, instillation mechanism is provided with the instillation mouth that is located the heating plate top, the instillation mouth is used for dropping into the fuming agent in the heating plate, the flue gas that the fuming agent produced gets into the chamber of flue gas, wherein the fuming agent is the mixture of water and butanone. When the purification effect of the range hood 17 to be detected is detected, the temperature for heating the heating plate reaches any value in the range of 120-300 ℃, then a smoke generating agent is added into the heating plate through a dripping mechanism, the boiling point of water is 100 ℃, the boiling point of butanone is 80 ℃, after a mixture of water and butanone is added into the heating plate, the mixture of water and butanone can be rapidly boiled and evaporated to reach the concentration of harmful substances in the air, a part of smoke generated by the evaporation of the mixture of water and butanone in the heating plate directly flows to the suction inlet of the range hood 17 to be detected under the action of the range hood 17 to be detected, the other part of smoke enters the cavity for generating smoke connected with the communicating pipe 11 of the smoke generating device, the smoke entering the cavity for generating smoke flows along the hollow communicating pipe 11 and is emitted from the emission hole 12 on the communicating pipe 11, the smoke is generated at the mouth-nose position of an operator, the part of smoke can also flow to the suction inlet of the range hood 17 to be detected under the action of the range hood 17 to be detected, and the harmful substances in the detection point of the mouth-nose area of the range hood 17 to be detected, and the detection condition that the air in the mouth-nose area of the operation of the range hood 17 to be detected, and the operation personnel to be detected, the harmful substances in the detection of the range hood 17 to be detected, and the detection of the detection system. When the temperature of the heating plate is lower than 120 ℃, the evaporation speed of the mixture of water and butanone is relatively slow, pollutants generated by the mixture of water and butanone can be sucked away by the suction inlet of the range hood 17 to be detected before diffusing to the mouth and nose positions of an operator, and the detection result of the first detection point cannot represent the situation of oil smoke at the mouth and nose positions of the operator when the operator actually carries out cooking operation; when the temperature of the heating plate is higher than 300 ℃, the evaporation speed of the mixture of water and butanone is faster than that of the mixture of water and butanone, the discharge speed of a large amount of dense smoke is far higher than the speed of pollutants sucked into the air suction inlet of the range hood 17 to be detected, and the extreme condition cannot represent the purification effect of the range hood; therefore, the temperature of the heating plate is controlled within the appointed range of 120-300 ℃, so that the mixture of water and butanone can be quickly evaporated and diffused to the mouth and nose positions of operators, the air suction speed of the air suction port of the range hood 17 to be detected cannot be lower than the evaporation speed of the mixture of water and butanone, and the detection result is accurate and representative.

In other embodiments, the instillation port is used for throwing a mixture of smoke generating agent water and edible oil into the heating plate, when the heating temperature of the heating plate reaches any value in the range from 120 ℃ to 300 ℃, then the smoke generating agent is added into the heating plate through the instillation mechanism, namely the mixture of water and edible oil, the mixture of water and edible oil boils and evaporates in the heating plate, a part of smoke generated by evaporation of the mixture of water and edible oil directly flows to the suction inlet of the range hood 17 to be detected under the action of the range hood 17 to be detected, the other part of smoke enters the cavity generating smoke connected with the communication pipe 11 of the smoke generating device, the smoke entering the cavity generating smoke flows along the hollow communication pipe 11 and is emitted from the emission hole 12 on the communication pipe 11, smoke is generated at the mouth and nose position of an operator, the part of smoke also flows to the suction inlet of the range hood 17 to be detected under the action of the range hood 17 to be detected, in the detection process of the test system of the range hood, the test system detects the concentration of the detection point in the detection point position of the detection point in the detection air in the mouth and nose area of the range hood to be detected, the harmful substance of the range hood to be detected, the operation personnel, and the purification condition of the range hood to be detected, the operation personnel of the range hood under the harmful substance purification condition of the operation of the range hood 17, and the operation of the range hood.

In other embodiments, the smoking device comprises a smoking mechanism 13, the smoking mechanism 13 is a heating plate with a temperature controller, edible oil covering the bottom of the heating plate is arranged in the heating plate, the temperature controller is used for enabling the temperature of the edible oil in the heating plate to be within a specified range, the specified range of the temperature of the edible oil is 120-300 ℃, and the smoking device further comprises a feeding mechanism, and the feeding mechanism is used for feeding food materials into the edible oil; the food stirring device further comprises a stirring mechanism, and the stirring mechanism is used for stirring food materials and edible oil. The smoke generating mechanism 13 simulates the operation of an operator during cooking, when edible oil in a heating plate is heated to any value within 120-300 ℃, the feeding mechanism feeds food into the edible oil within 120-300 ℃, after the food and the moisture in the food are contacted with the edible oil, oil smoke can be generated, one part of the generated oil smoke directly flows to an air suction port of the range hood 17 to be detected under the action of the range hood 17 to be detected, the other part of the generated oil smoke enters a cavity which is connected with a communicating pipe 11 of the smoke generating device and generates the flue gas, the flue gas entering the cavity and generating the flue gas flows along the hollow communicating pipe 11 and is emitted from a diffusion hole 12 on the communicating pipe 11, the flue gas is generated at the mouth-nose position of the operator, the part of the flue gas also flows to the air suction port of the range hood 17 to be detected under the action of the range hood 17 to be detected, in the detection process of the test system of the range hood, the test system of the range hood detects the concentration of harmful substances in a detection point of the mouth-nose area of the detection point of the range hood 17 to be detected, and the condition of the air sucked by the range hood 17 to be detected, and the quality of the range hood to be detected. When the material that feeds into in the heating plate when reinforced mechanism is the edible material, the edible material contacts with the edible oil of high temperature, and the oil smoke condition of production is the same with the oil smoke condition when operating personnel actually cooks the operation, and range hood test system is closer to the oil smoke condition that the mouth nose region inhales when operating personnel actually cooks the operation to the measuring condition of the content of the oil smoke of the mouth nose region of operating personnel this moment. The utility model discloses a mechanism of fuming 13 of this embodiment is adopted to the mechanism of fuming of device of fuming, the edible material that mechanism of fuming 13 adopted is dry hot pepper, small round pepper, one or more in cabbage and the cabbage, all be the common edible material of operating personnel in daily life, and dry hot pepper and small round pepper are more pungent in the smell that the culinary art in-process produced, harmful substance content in the air that also can detect the oronasal region through range hood test system compares with the taste in the air that operating personnel can smell this moment, judge the relation of air taste and harmful substance content, the edible oil that mechanism of fuming 13 adopted is corn oil, peanut oil, sesame oil and soybean oil in one or more.

Referring to fig. 1, the smoke generating device of the present invention, the communicating pipe 11 includes a distributing section, a plurality of distributing holes 12 are arranged at intervals on the distributing section, the distributing section is an arc or a combination of a plurality of arc sections, the distributing section is similar to the arc of the peripheral outline of the face, and the horizontal setting is in the mouth and nose area of the face. When testing range hood, in order to detect the purification effect of range hood to the oil smoke of operating personnel's mouth nose region, take communicating pipe 11 at operating personnel's head, and make the hole 12 that gives off on the communicating pipe 11 surround user's mouth nose region, smoke containing PM2.5-PM10 particulate matter and VOCs that smoke generating device produced gets into in communicating pipe 11, and move along communicating pipe 11, then from giving off the hole 12 effluvium of section surface, when detecting range hood 17 work, the oil smoke that gives off hole 12 and gives off is inhaled by the inlet scoop of detecting range hood 17, the content of PM2.5-PM10 particulate matter and VOCs in the air that range hood testing system detected at check point one and represented the purification effect of the oil smoke of detecting range hood 17 to operating personnel's mouth nose region, the purification effect of the oil smoke of operating personnel's mouth nose region has represented the range hood 17 during work of detecting range hood 17, under the operating personnel's mouth nose breathing air condition, the oil smoke particulate matter content that can be inhaled by operating personnel, the detection result of one is to judge that it has more meaning reference work to detect the purification effect of range hood 17 to the air quality of operating personnel of range hood when detecting range hood.

Referring to fig. 1 and fig. 2, in other embodiments, in the smoke generating device of the present invention, the communicating pipe 11 is fixedly connected through the supporting frame 14, and the communicating pipe 11 is a flexible pipe; the pipe wall of the communicating pipe 11 is transparent or semitransparent; the communication pipe 11 is fixed to the holder 14 by a fastener, or the communication pipe 11 is fixed to the holder 14 by fitting a part of the shape of the communication pipe 11 by a snap structure. Here, the operator is a real person, and cannot directly bring the communication pipe 11 to the mouth and nose of the head of the operator, because the oil smoke is greatly inhaled by the operator when being emitted from the emission hole 12, which affects the health of the operator; therefore, when the operator is a real person, the communicating pipe 11 of the smoke generating device is fixed through the supporting frame 14, the height of the communicating pipe 11 is matched with the mouth-nose area of the actual operator, the pipe wall of the communicating pipe 11 is transparent or semitransparent, and the process that oil smoke enters the communicating pipe 11 can be observed by the operator. When the communicating pipe 11 is fixed on the supporting frame 14, the communicating pipe 11 and the supporting frame 14 can be fixed by a fastening piece or can be clamped by a clamping structure, when the communicating pipe 11 is clamped by the clamping structure, the shape of the clamping position of the clamping mechanism is matched with the shape of the part of the communicating pipe 11 connected with the clamping position, so that when the communicating pipe 11 is clamped with the clamping structure, the clamped position of the communicating pipe 11 cannot be clamped flat by the clamping structure, and the unsmooth flowing of oil smoke in the communicating pipe 11 cannot be caused due to the extrusion of the clamping structure.

The utility model discloses a smoke generating device is used for range hood test system, when range hood test system detects the purifying effect of range hood to operating space's air, smoke generating device sends the oil smoke, some oil smoke that smoke generating device sent is direct to be inhaled the inlet scoop by range hood, another part oil smoke that smoke generating device sent gets into communicating pipe 11, then by the hole 12 outflow that gives off on communicating pipe 11, also get into range hood's inlet scoop under range hood's effect from the oil smoke that gives off hole 12 outflow, after range hood work a period, range hood test system detects the purifying condition of range hood's operating space's oil smoke, and judge the user to the suction volume of oil smoke according to the testing result of locating operating personnel mouth nose regional check point one, make the testing result more have the referential.

In the actual use scene of range hood, operating personnel often stands in the front of cooking utensils, and the negative pressure that the cigarette machine opened produced can make the front have the air current of inflow, and when operating personnel stood, can form because block the vortex region that produces, and the air flow that actual air current organization and nobody blocked the condition has very obvious difference. So in the utility model discloses an among the smoke generating device, stand 14 is the image of the human figure, the image can simulate operating personnel when standing in range hood's operating space, the human body to the condition of blockking of air current and because the human body blocks to the air current, range hood is to the purifying effect in kitchen space when the air current changes, range hood is to the purifying effect of the air in air-out space when making the result of range hood's detection device detection more be close operating personnel actual operation, differentiate the range hood that suitable operating personnel is healthy for operating personnel according to range hood's detection result. The doll comprises a head part 141 and a body part 142 connected with the head part 141, and is vertically arranged; the head and neck 141 has a width dimension of 15.5 cm to 19 cm and a thickness dimension of 13.5 cm to 15 cm; the torso portion 142 has a width dimension of 35 cm to 50 cm and a thickness dimension of 15 cm to 25 cm. The sizes of the head and neck part 141 and the trunk part 142 of the doll are similar to those of the head and neck part and the trunk part of an operator, the requirements of wind shielding and air flow change during actual operation can be met, the doll in the shape of the doll can be standardized by further convention, and an additional mechanical mechanism is needed if the food material is stir-fried. The width dimension of the head and neck part 141 of the doll is the width from the left side to the right side of the head and neck part 141 of the doll measured under the condition that the face of the doll simulating an operator directly faces the range hood, the thickness dimension of the head and neck part 141 of the doll is the front and back distance of the head and neck part 141 of the doll measured under the condition that the face of the doll simulating an operator directly faces the range hood, the width range and the thickness range of the head and neck part 141 of the doll cover the head and neck part data of actual operators of different ages and heights, it is required to know that the operator entering the kitchen needs to be an operator with the capability of independently cooking, the height of the lowest part of the head and neck part 141 of the operator cannot be lower than the height of the cooking platform 18, and when the operator performs cooking operation, the head and neck part 141 of the operator should be positioned above the cooking platform 18, the operator can see the condition in the cooker, and the operator with too low height and too high height belongs to a special few conditions, because the head circumference of the child about 5 years old basically reaches 500mm, the head circumference of the child about 15 years old basically reaches about 550mm as the head circumference of an adult, the width dimension of the head and neck part 141 of the doll is 15.5 cm to 19 cm, the thickness dimension is 13.5 cm to 15 cm, which accords with the condition of the operator with independent cooking operation capability, while the width dimension of the trunk part 12 of the operator is 35 cm to 50 cm, the thickness dimension is 15 cm to 25 cm also accords with the condition of the operator with independent cooking operation capability, and the doll is arranged in such a way, so that the interference condition of the doll on the air flow of the operation space is close to the condition of the operator during actual operation, and the detection result can truly reflect the purification effect of the range hood. In addition, when range hood purifies the air in operating space, the result that operating personnel more paid attention to is the quality condition of the air in its scope of breathing in, because the air condition of its scope of breathing in has decided its can be by the condition of its inspiratory oil smoke particulate matter when the kitchen cooks, set up smoke generating device through the fixed position in the oronasal position of doll, smoke generating device can send the flue gas in the oronasal position department that is used for, when range hood during operation, these flue gases can flow to range hood's inlet scoop along with the air that flows to range hood's inlet scoop together, the condition that these flue gases are purified by range hood has just represented the condition of the oily smoke particulate matter that can be inhaled by operating personnel, and set up air quality detection device in the oronasal position department of doll, air quality detection device directly detects the air quality condition of oronasal position of the oronasal position of doll, can detect the condition that smoke generating device sent is purified by range hood, with the purification effect of judgement range hood accords with operating personnel's health standard. The head and neck 141 of the doll is provided with an oral-nasal position, and the air suction range of the doll is 20 cm to 75 cm above the cooking platform 18. Generally, the height of the cooking platform 18 is about 80 cm, when the doll simulates an operator, the height of the doll can be set within a range of 150 cm to 180 cm, so that the height of the mouth and nose of the doll is between 130 cm and 160 cm, namely 50 cm to 80 cm higher than the cooking bench, and the suction range of the doll is set to be 20 cm to 75 cm above the cooking platform 18, so that the suction range of operators with different heights can be covered.

Referring to fig. 2, the present invention further relates to a range hood testing system, which employs the smoke generating device, the range hood testing system includes a setting position 15, including a connecting structure for fixing a range hood 17 to be detected, the setting position 15 faces to an operating space, and the operating space is used for an operator to stand and operate; also included is an air quality detector 16, the air quality detector 16 having a first air introduction port disposed within a corresponding inhalation range at the oro-nasal region of the person. When a detection system of the range hood detects the purification effect of the range hood 17 to be detected, a detection laboratory needs to be provided, the detection laboratory simulates a kitchen space, the space of the detection laboratory is an operation space of the range hood 17 to be detected, the air in the operation space of the range hood 17 to be detected is to be detected, the length, width, height, of the detection laboratory is 3500mm, 2500mm and 2500mm, a setting position 15 is arranged in the detection laboratory, the setting position 15 is used for fixing the range hood 17 to be detected, the setting position 15 is provided with a connecting structure, the connecting structure is used for fixing the range hood 17 to be detected in the setting position 15, the setting position 15 faces the operation space of the range hood, an operator stands in the operation space of the range hood, a smoke generating device is used for generating oil smoke in the operation space of the range hood, the smoke generating device is located below the range hood 17 to be detected, an air quality detector 16 is used for detecting the air quality of the operation space of the range hood so as to determine the air in the operation space, and particularly the purification effect of the air in an air suction range corresponding to the nose and mouth of the operator. The utility model discloses a range hood's detecting system, it fixes back on setting place 15 to treat range hood 17 through connection structure, set up smoke generating device and air quality detector 16 in range hood's operating space, and make smoke generating device be located the below of treating range hood 17, make the first air of air quality detector 16 introduce the range of breathing in that mouth and operator's mouth nose department corresponds, when smoke generating device starts, smoke generating device can produce the oil smoke at the range of breathing in that operator's mouth nose position department corresponds, when treating range hood 17 starts, the air of operating space flows to the suction opening department of treating range hood 17, the flue gas of the range of breathing in that operator's mouth nose department corresponds also flows to the suction opening department of treating range hood 17, the air of the range of breathing in that the air that makes air quality detector 16 detect operator's mouth nose department correspond also introduces the mouth to air quality detector 16 flows through first air, and make the air quality detector 16 detect the air quality detector 17, the air quality detector 17 detects the air quality detector's mouth nose department that the air quality detector corresponds the air quality range of breathing in the air condition of the range of the air quality that the air quality detector corresponds, the air quality detector 17 condition of the range of breathing in the range of air quality detector is the range of the air quality detector.

Referring to fig. 2, the utility model discloses a range hood test system sets up position 15 and is used for setting up and waits to detect range hood 17 to set up position 15 and set up cooking platform 18 in the face of operating space, set up smoke generating device on the cooking platform 18, smoke generating device has the exhaust port, exhaust port exhaust flue gas, and the flue gas is inhaled away by the inlet scoop that waits to detect range hood 17. When range hood's detection device treats the purifying effect who detects range hood 17 and detects, the operational environment who treats range hood 17 only infinitely is close actual operating personnel, the result that range hood's detection device detected out just has the reference value, so the utility model discloses a range hood's detection laboratory is the kitchen space of simulation, in detecting the laboratory, it is fixed on setting up position 15 to detect range hood 17, also the same on the wall of kitchen is fixed like range hood, the kitchen hangs range hood's the space of avoiding relatively for user's operation space, also be range hood's operation space, so in detecting the laboratory, set up position 15 and face range hood's operation space, it fixes on setting up position 15 and is located the below of cooking platform 18 to detect range hood 17, smoke generating device locates on cooking platform 18, what smoke generating device sent the oil smoke simulation is that operating personnel sent in cooking operation, range hood's detection device's detection laboratory is similar with kitchen space, the result that range hood's detection device detected out like this could be used for judging the purifying effect who detects range hood 17.

Referring to fig. 2, in the detection system of the range hood of the present invention, the setting position 15 is a vertical wall surface or a vertical support, one end of the connection structure is fixed, and the connection structure is fixed on the vertical wall surface or the vertical support; the connecting structure is a plug connector, one end of the plug connector is fixed on the vertical wall surface or the vertical support, and the other end of the plug connector is plugged on the corresponding connecting structure of the range hood 17 to be detected. If the test experiment has a wall surface for fixing the range hood 17 to be detected, the setting position 15 is a vertical wall surface of the test laboratory, if the test laboratory has no wall surface with a fixed belt for testing the range hood, a vertical support is arranged in the test laboratory, the range hood 17 to be detected is fixed on the vertical support, whether the vertical wall surface or the vertical support, and the aim is to ensure that the mounting mode of the range hood 17 to be detected is consistent with that when the range hood 17 to be detected is applied to a kitchen, and the corresponding operating space is similar to that of the kitchen, so that the range hood 17 to be detected is convenient to mount and discharge smoke in the test laboratory, and the arrangement of a detection system of the range hood is not influenced; treat range hood 17 and be fixed when setting up on the position 15 when treating range hood 17, it is fixed through connection structure, connection structure's effect is just that the messenger treats range hood 17 and install stably on setting up position 15, when connection structure is the plug connector, plug connector one end is fixed on setting up position 15, the other end is pegged graft and is treated the corresponding connection structure of treating range hood 17, the plug connector can be for being fixed in the boss that sets up on the position, the connection structure who treats correspondence on the range hood 17 is jack or slot, when fixedly treating range hood 17, the boss inserts and treats jack or slot on the range hood 17, the plug connector also can be for a hollow spliced pole of fixing on setting up position 15, treat corresponding connection structure on the range hood 17 this moment and be the boss, when fixedly treating range hood 17, the boss stretches into in the hollow structure of spliced pole, generally treat the rear plate of range hood 17 and set up the position parallel and level in order to make, connection structure adopts and can insert the boss of treating in the range hood 17, treat range hood 17 after treating range hood 17 and connection structure connection, treat that the rear plate of range hood 17 can hug closely set up position 15.

In other embodiments, the connecting structure for fixing the range hood 17 to be detected on the setting position 15 is a screw connector, one end of the screw connector is fixed on the vertical wall surface or the vertical support, and the other end of the screw connector is screwed to the corresponding connecting structure of the range hood 17 to be detected; the spiro union piece can be the screw, and the screw is fixed in on setting the position 15 with waiting to detect range hood 17 correspond connection structure spiro union back, or screw one end is fixed on setting the position 15, and the other end is waiting to detect range hood 17 its and correspond when, with the corresponding connection structure spiro union of waiting to detect range hood 17.

In other embodiments, the range hood 17 to be detected is fixed to the connecting structure position clamping member on the setting position 15, one end of the clamping member is fixed on the vertical wall surface or the vertical support, and the other end of the clamping member is clamped to the corresponding connecting structure of the range hood 17 to be detected. The part that the joint spare is fixed to setting up on the position 15 can be the couple of joint subassembly, and it is the draw-in groove to detect the corresponding connection structure on the range hood 17, and when detecting range hood 17 and fixing to setting up on the position 15, the draw-in groove joint is to the couple in.

In the range hood testing system of the present invention, the air quality detector 16 is an integral type, and has a first air inlet and a second air inlet, which are connected to each other through a ventilation pipe; the second air intake is arranged at the air suction opening of the range hood 17 to be detected, and the range hood 17 to be detected draws air from the air suction opening and discharges the drawn air to the corresponding air suction range at the mouth and nose of an operator; under the condition, when the smoke generating device can not directly release oil smoke in the air suction range corresponding to the mouth and nose of the operator, the oil smoke at the air suction port of the range hood 17 to be detected is sucked by the air suction port of the range hood 17 to be detected, and simultaneously, a part of the oil smoke is discharged into the air suction range corresponding to the mouth and nose of the operator, and simultaneously flows to the air suction port of the range hood 17 to be detected under the action of the range hood 17 to be detected, meanwhile, the first air introducing port introduces the air in the air suction range corresponding to the mouth and nose of the operator to the air quality detector 16, so that the air quality detector 16 detects the concentration of pollutants in the air suction range corresponding to the mouth and nose of the operator, and the second air introducing port introduces the air at the air suction port of the range hood 17 to be detected into the air quality detector 16, so that the air quality detector 16 detects the air quality flowing to the air suction port of the range hood 17 to be detected. The utility model discloses range hood's detecting system, air quality detector 16 can detect the air quality in the suction range that operating personnel's mouth and nose department corresponds simultaneously and flow the quality of the air to the suction opening department of waiting to detect range hood 17, the suction range that operating personnel's mouth and nose department corresponds is the check point one of air quality detector 16, air quality detector 16 detects the concentration of harmful substance in the air at check point one, this concentration has represented the purification condition of range hood 17 to the oil smoke in operating personnel's mouth and nose area waiting to detect, the during operation of range hood 17 to detect has also been reacted, the control quality condition in operating personnel's suction range, and the harmful substance condition of being inhaled by operating personnel; the air suction port of the range hood 17 to be detected is a second detection point of the air quality detector 16, the air quality detector 16 detects the concentration of harmful substances in the air at the second detection point, and the concentration represents the whole air quality of the operation space. That is, the air quality detector 16 may detect the air quality of the oronasal region of the operator, and may also detect the air quality of the operation space. When the detection system of the range hood detects the purification effect of the range hood 17 to be detected, air in the mouth-nose area of a detection operator enters the air quality detector 16 through the first air inlet and is detected by the air quality detector 16, air in other areas of the operation space takes the side air of the range hood 17 to be detected as a representative, and enters the air quality detector 16 through the second air inlet and is detected by the air quality detector 16.

In other embodiments, the air quality detector 16 is a split type, and has independent detecting portions communicating with the first air introducing port and the second air introducing port, respectively. The air quality detector 16 can still detect the air quality of the oronasal region of the operator, and can also detect the air quality of the operating space. When the detection system of the range hood detects the purification effect of the range hood 17 to be detected, air in the mouth-nose area of a detection operator enters the air quality detector 16 through the first air introduction port and is detected by the detection part corresponding to the air quality detector 16, air in other areas of the operation space takes the side air of the range hood 17 to be detected as a representative, enters the air quality detector 16 through the second air introduction port and is detected by the detection part corresponding to the air quality detector 16. Compared to the integrated air quality detector 16 described above, the air quality detector 16 of the present embodiment detects the air quality of the oronasal region of the operator and the air quality of the operation space, respectively, only by different detection portions.

In still other embodiments, the air quality detector 16 is provided with a housing having an air inlet, i.e., a first air inlet or a second air inlet, and an air outlet, the portable air quality detector 16 has a one-way air passage with a detection device disposed therein, the detection device being a dust particle detection device and/or a VOCs detection device. That is to say, the air in the oral-nasal region of the operator and the air in the operation space can enter the one-way air channel in the air quality detector 16 through the air inlet on the casing of the air quality detector 16, the detection device in the one-way air channel detects the flowing process along the one-way air channel in the air quality detector 16, the detection device in the one-way air channel detects the concentration of dust particles and VOCs in the air entering the detection device, and the purification effect of the range hood 17 to be detected is judged through the detected concentration of the dust particles and VOCs.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a smoke generating device for range hood test system which characterized in that: the smoke generating device is used for generating smoke containing PM2.5-PM10 particulate matters and/or VOCs, and comprises a communicating pipe (11) and a diffusing hole (12), wherein the communicating pipe (11) is hollow, and one end of the communicating pipe is connected with a smoke generating cavity, so that the generated smoke can flow in the communicating pipe (11); the emission hole (12) is a through hole formed in an opening end of the communication pipe (11) or a wall surface of the communication pipe (11), and the emission hole (12) is located in the mouth and nose area of an operator.

2. The smoking device according to claim 1, wherein the smoking device comprises a smoking mechanism (13), the smoking mechanism (13) is a heating plate with a temperature controller, the temperature controller is used for enabling the temperature of the heating plate to be within a specified range, the temperature of the heating plate is within a specified range of 120-300 ℃, the smoking device further comprises a dripping mechanism, the dripping mechanism is provided with a dripping port located above the heating plate, the dripping port is used for throwing a smoke generating agent into the heating plate, smoke generated by the smoke generating agent enters a cavity of the smoke, and the smoke generating agent is a mixture of water and butanone; or the smoke agent is a mixture of water and edible oil.

3. The smoking device according to claim 1, wherein the smoking device comprises a smoking mechanism (13), the smoking mechanism (13) is a heating plate with a temperature controller, edible oil is filled in the heating plate to cover the bottom of the heating plate, the temperature controller is used for ensuring that the temperature of the edible oil in the heating plate is within a specified range, the temperature of the edible oil is within a specified range of 120-300 ℃, and the smoking device further comprises a feeding mechanism which is used for feeding food materials into the edible oil; the food material stirring device further comprises a stirring mechanism, and the stirring mechanism is used for stirring the food material and the edible oil.

4. The smoke generating device according to claim 1, wherein the communicating tube (11) comprises an emission section, a plurality of emission holes (12) are arranged on the emission section at intervals, the emission section is an arc or a combination of a plurality of arc sections, the emission section is similar to the arc of the peripheral outline of the face and is horizontally arranged in the mouth and nose area of the face.

5. A smoke generating device according to claim 1, wherein the communicating tube (11) is fixedly connected by a holder (14), and the communicating tube (11) is a hose; the pipe wall of the communicating pipe (11) is transparent or semitransparent; the communication pipe (11) is fixed on the support frame (14) through a fastener, or the local shape of the communication pipe (11) is matched through a clamping structure so as to fix the communication pipe (11) on the support frame (14).

6. A smoking device according to claim 5 wherein the holder (14) is doll shaped comprising a head and neck portion (141) and a connected torso portion (142), the doll being vertically disposed; the width of the head and neck part (141) is 15.5 cm to 19 cm, and the thickness is 13.5 cm to 15 cm; the trunk portion (142) has a width dimension of 35 to 50 centimeters and a thickness dimension of 15 to 25 centimeters; the head and neck (141) is provided with an oral-nasal position, and the air suction range of the doll is 20 cm to 75 cm above the cooking platform (18).

7. A range hood testing system employing the smoke generating device of any one of claims 1 to 6, wherein: the range hood detection device comprises a setting position (15) and a connecting structure, wherein the connecting structure is used for fixing a range hood to be detected (17), the setting position (15) faces to an operation space, and the operation space is used for an operator to stand and operate; the air quality detector (16) is further included, and the air quality detector (16) is provided with a first air introducing port which is arranged in a corresponding inspiration range at the mouth and the nose of the person.

8. The range hood test system according to claim 7, wherein the setting position (15) is used for setting a range hood (17) to be tested, the setting position (15) faces the operating space, a cooking platform (18) is arranged below the setting position, the smoke generating device is arranged on the cooking platform (18), the smoke generating device has a smoke exhaust port, the smoke exhaust port discharges the smoke, and the smoke is sucked away by a suction port of the range hood (17) to be tested.

9. The range hood test system of claim 7, wherein the setting site (15) is a vertical wall surface or a vertical support, one end of the connecting structure is fixed, and the connecting structure is fixed on the vertical wall surface or the vertical support; the connecting structure is a plug connector, one end of the plug connector is fixed on the vertical wall surface or the vertical support, and the other end of the plug connector is plugged to a corresponding connecting structure of the range hood (17) to be detected; the connecting structure is a screw connector, one end of the screw connector is fixed on the vertical wall surface or the vertical support, and the other end of the screw connector is screwed to the corresponding connecting structure of the range hood (17) to be detected; the connecting structure is a clamping piece, one end of the clamping piece is fixed on the vertical wall surface or the vertical support, and the other end of the clamping piece is clamped on the corresponding connecting structure of the range hood (17) to be detected.

10. The range hood test system of claim 7, wherein the air quality detector (16) is monolithic with a first air intake and a second air intake connected by a snorkel to the first and second air intakes; the air quality detector (16) is split type and is provided with a first air inlet and a second air inlet, and independent detection parts are respectively communicated with the first air inlet and/or the second air inlet; the air quality detector (16) is provided with a shell, an air inlet and an air outlet are arranged on the shell, the air inlet is the air introducing port, or the air introducing port and the air inlet are communicated through a vent pipe; the device is characterized by comprising a one-way air channel, wherein a detection device is arranged in the one-way air channel, and the detection device is a dust particle detection device and/or a VOCs detection device.

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