CN215007170U - Body warming dummy simulating dynamic release of exhaled droplets - Google Patents

Abstract

The utility model discloses a warm body dummy of simulation exhalation droplet developments release, including dummy human body, heater block, first action part, second action part and release. The dummy body comprises a body part and a movable head part, wherein the head part is provided with a mouth part which can be opened and closed. The heating part is used for heating the dummy body to a preset temperature. The first action component drives the head to move relative to the dummy body. The second action component drives the opening to move. The releasing device outputs the granular substance to the outside of the dummy body when the mouth is opened. The utility model discloses warm up body dummy, first action parts make the head realize the action of a plurality of angles of head for the somatic part activity. The second action component makes the mouth part form opening and closing movement close to the real person. During the opening of the mouth, the granulate is output outside the dummy. The dummy body is in a preset temperature range, the granular substances released by the mouth part are close to the spray spreading process formed by a real person in the action process, and the test is reliable.

Description

Body warming dummy simulating dynamic release of exhaled droplets

Technical Field

The utility model belongs to the technical field of warm body dummy, specifically a warm body dummy of simulation exhalation droplet dynamic release.

Background

The human body warming dummy with human body appearance characteristics is an instrument device capable of simulating the surface temperature distribution of a human body, can replace a real person to perform experiments, thereby systematically evaluating the physiological reaction of the human body in a severe environment and effectively preventing the severe environment from causing personal injury to the real person. The adoption of the warm-body dummy for carrying out the biophysical test is widely applied to the fields of clothing, buildings, environment, aerospace, traffic safety and the like.

During the period of new coronavirus abuse, it is essential to study the characteristics of infection from person to person. In the related art, a body warming dummy is used in an experiment for researching interpersonal droplet propagation, and the movements of the mouth and the head during the actions of people talking, coughing, sneezing and the like are ignored. The use of a real mechanism that the fixed oral cavity and the fixed head cannot reproduce the interpersonal droplet exposure, and the excessively simplified body warming dummy can cause insufficient estimation of droplet infection risk, resulting in misjudgment and protection requirements.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a warm body dummy of simulation exhalation droplet dynamic release, the warm body dummy can discharge the graininess when the action of difference is done to the head, provides more reliable data for the propagation process of aerosol, has solved the warm body dummy among the prior art and has propagated the unsafe problem of test data in the droplet.

According to the utility model discloses warm body dummy of simulation exhalation droplet dynamic release, include: the artificial human body comprises a body part and a movable head part, wherein the head part is provided with an opening part which can be opened and closed; the heating component is used for heating the dummy body to a preset temperature; the first action component drives the head to move relative to the dummy body; the second action part drives the opening part to open and close; a release device that outputs a pellet to the outside of the dummy body when the mouth is opened.

According to the utility model discloses warm body dummy of simulation exhalation droplet dynamic release can make the head for the somatic part activity through first action part to make the dummy physical stamina make the action towards a plurality of angles. The mouth part can be opened and closed through the second action part, so that the mouth part moves closer to a real person, and the release device can output the granular substances out of the dummy body in the opening process of the mouth part. Because the fake human body is always in the preset temperature range, a thermal environment is formed around the fake human body, so that the granular substances released from the mouth part are closer to the droplet propagation process formed by a real person in the action process, and the accuracy of the test of experimental data is improved.

According to the utility model discloses a simulation exhalation droplet developments release's warm body dummy, the heater block is the electric heat membrane, the electric heat membrane sets up in the dummy.

Optionally, the preset temperature is 29.1 ℃ to 31.1 ℃.

According to the utility model discloses a simulation exhalation droplet dynamic release's warm body dummy still includes circulating fan, vacuole formation in the dummy, set up in the cavity circulating fan, circulating fan operation is so that the surface temperature of dummy body keeps at preset temperature.

Optionally, the circulation fan is provided in a plurality, and the flow directions of the circulation fans are different, so that the airflow in the cavity is blown to different positions.

According to the utility model discloses a simulation exhalation droplet dynamic release's warm body dummy, first action part includes nodding part, nodding part includes first driving motor and first transmission piece, first driving motor's output is connected first transmission piece, first driving motor drive first transmission piece drives the head is realized nodding at vertical in-plane rotation.

According to the utility model discloses further embodiment, first action part is still including the part of shaking the head, the part of shaking the head includes second driving motor and second driving medium, second driving motor's output is connected the second driving medium, the second driving motor drive the second driving medium drives the head is realized shaking the head in horizontal plane internal rotation.

Optionally, the dummy body further comprises a neck connected between the body and the head, the head and the neck being in a flexible connection such that the head is rotatable in a plurality of planes relative to the neck.

Furthermore, the nodding part further comprises a first bracket, the first transmission piece comprises a first lead screw assembly and a first connecting rod assembly, one end of the first lead screw assembly is connected with the output end of the first driving motor, the first bracket is connected to the neck part or the body part, the first driving motor is fixed on the first bracket, the other end of the first lead screw assembly is connected with the first connecting rod assembly, and one end of the first connecting rod assembly is connected with the head part; the part of shaking head still includes the second support, the second support is fixed the head, second driving motor fixes on the second support, the second driving medium includes the gear assembly, the gear assembly is connected on second driving motor's the output, the output of gear assembly is connected first link assembly.

According to the utility model discloses a simulation exhalation droplet dynamic release's warm body dummy, the oral area includes jaw, second action part includes third driving motor and third driving medium, third driving motor's one end is connected the head, third driving motor's output is connected the third driving medium, the other end of third driving medium is connected jaw.

According to the utility model discloses a simulation exhalation droplet dynamic release's warm body dummy, release includes generator, conveyer pipe and delivery pump, the generator produces the granule, the one end of conveyer pipe is connected the generator, the other end of conveyer pipe is connected to the oral area, the delivery pump will the granule is followed the generator along the conveyer pipe leads out to the oral area.

Additional aspects and advantages of the invention will be set forth in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of the overall structure of a thermal manikin according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a nodding mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an oscillating mechanism according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a second actuating member according to an embodiment of the present invention.

Fig. 5 is a schematic view of the fitting relationship between the first actuating member, the second actuating member and the head according to an embodiment of the present invention.

Fig. 6 is a schematic view of the head nodding according to an embodiment of the present invention.

Fig. 7 is a schematic view of the head shaking motion according to an embodiment of the present invention.

Fig. 8 is a schematic view illustrating the opening and closing of the mouth according to an embodiment of the present invention.

Reference numerals:

a warm-up dummy 100,

A dummy body 110,

Body 111, head 112, mouth 113, neck 114, jaw 115, leg 116, upper limb 117, flexible joint 118,

A heating part 120,

A first operating member 130,

A nodding part 131, a first driving motor 1311,

A first transmission member 1312, a first lead screw assembly 1312a, a first link assembly 1312b,

A first bracket 1313,

A first fulcrum 1314,

A head-shaking member 132, a second driving motor 1321, a second transmission member 1322, a second holder 1323,

A second actuating member 140, a third driving motor 141,

A third transmission member 142, a second lead screw assembly 1421, a second connecting rod assembly 1422,

A second fulcrum 143,

A releasing device 150, a generator 151, a delivery pipe 152,

A circulating fan 160,

A power supply 170,

Pellets 200.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The thermal manikin 100 simulating dynamic release of exhaled droplets according to embodiments of the present invention is described below with reference to the accompanying drawings.

According to the utility model discloses warm body dummy 100 of simulation exhalation droplet dynamic release, include: the prosthetic body 110, the heating member 120 and the releasing means 150 as shown in fig. 1 further include a first action member 130 as shown in fig. 2 and/or 3 and a second action member 140 as shown in fig. 4.

As shown in FIG. 1, the dummy body 110 includes a body 111 and a movable head 112, and the head 112 has an openable/closable mouth 113. That is, the head 112 of the present invention is movable relative to the body 111 and generates the motion of the head 112. The movement may be rotation in different planes and different directions, and is not limited in this respect.

As shown in fig. 1, the heating member 120 is used to heat the dummy body 110 to a preset temperature, so that the dummy body 110 is always maintained in a preset temperature range during the head 112 action.

As shown in fig. 1, 2 and 3, the first action component 130 drives the head 112 to move relative to the dummy body 110.

As shown in fig. 1 and 4, the second actuating member 140 drives the mouth 113 to open and close, so that the mouth 113 performs an intermittent movement of closing and opening.

As shown in fig. 1, the discharging device 150 outputs the pellets 200 to the outside of the dummy body 110 when the mouth 113 is opened. The discharge device 150 may generate the pellets 200 and output the pellets 200 from the mouth 113.

With the above structure, the thermal manikin 100 simulating dynamic release of exhaled droplets according to the embodiment of the present invention can move the head 112 relative to the body 111 through the first motion member 130, for example, the head 112 can perform nodding motion as shown in fig. 6 or shaking motion as shown in fig. 7, and the nodding motion and the shaking motion are superimposed to form multiple composite head 112 motions, so that the head 112 of the manikin 110 can move towards multiple angles, thereby simulating the motion amplitude and the motion angle of the head 112 in activities such as speaking, coughing, sneezing, etc. of a real person.

The utility model discloses a second action part 140 can drive oral area 113 and form the motion that opens and shuts for oral area 113's activity is closer to the real person, superposes oral area 113's action again in the activity of head 112, will make warm body dummy 100's head 112 and the action that the real person probably produced more approximate in daily life.

The utility model discloses in the process that mouth portion 113 is opened or is closed, release 150 continuously exports granular material 200 towards mouth portion 113, and can export granular material 200 outside artificial human body 110 when mouth portion 113 is opened, release 150 makes granular material 200 produce certain initial velocity when carrying granular material 200, the action of head 112 is deuterogamied, and make granular material 200 have different speed direction and speed size when exporting from mouth portion 113, thereby make the blowout distance of granular material 200 different, the blowout direction is different, the blowout rate is different, thereby effectively adjusted the release range of granular material 200 and the discontinuous randomness of release.

After being matched with a warm body dummy capable of detecting particle pollutants, the head 113 of the warm body dummy 100 can output the granular matters 200 from the mouth 113 in different motion processes, so that the warm body dummy capable of detecting the particle pollutants can measure the quantity and concentration of the granular matters 200 inhaled by the warm body dummy, and further reduce the condition that the infected person exhales the spray and is inhaled by the susceptible person to evaluate the actual exposure risk.

Because the dummy body 110 is always in the preset temperature range, a thermal environment is formed around the dummy body 110, so that the granular objects 200 released from the mouth 113 are closer to the spray propagation process formed by a real person in the action process, and the accuracy of the test of experimental data is improved.

It can be understood that, compare in the dummy experimental apparatus of test droplet among the prior art, the warm body dummy 100 of this application can avoid original experimental apparatus head static nothing to bring the simplification of particulate matter motion trail, the real scene of interpersonal infection has been reduced, the dynamic change of particulate matter 200 release has been realized, thereby overcome original experimental apparatus's experimental error, improve the true degree of simulation personnel breathing activity state, accurately reflect personnel breathing zone's pollution exposure level, and accurate prediction true man exhales the propagation law of pollutant, detect the actual exposure process of particulate pollutant interpersonal propagation, the testing result can provide reliable data basis and theoretical guidance for the propagation process of aerosol and the random exposure risk of personnel.

In some embodiments of the present invention, as shown in fig. 1, the heating member 120 is an electrothermal film, and the electrothermal film is disposed in the dummy body 110. The plurality of electric heating films can be hung at a plurality of positions in the dummy body 110 so as to uniformly heat the whole dummy body 110. By adjusting the heating value of the electric heating film, the local temperature of the fake human body 110 can be quickly adjusted, and the body surface temperature of the fake human body 110 can be conveniently and accurately controlled to be at the preset temperature.

In other examples, the electrothermal film can also cover the inner wall of the dummy body 110, the electrothermal film is convenient to be attached to the surface of the dummy body 110, and the dummy body 110 is heated more uniformly, so that the dummy body 110 can be controlled to simulate the body surface temperature of the dummy, and the accuracy of the test data is improved.

Advantageously, the electric heating film is a flexible electric heating film, which is beneficial to adapting to the body contour of the fake human body 110 and improving the fitting force.

Advantageously, the electric heating film is uniformly arranged on the surface of the dummy body 110, so that the heating uniformity of each part of the dummy body 110 is improved, the temperature uniformity of each part of the dummy body 110 is ensured, and the electric heating film is formed to be constant.

Optionally, the preset temperature is 29.1-31.1 ℃, so that the surface temperature of the dummy body 110 is consistent with the body surface temperature of the real person, a thermal radiation field is formed around the dummy body 110, and a thermal plume is formed, and when the granular object 200 passes through the thermal plume, the change of the motion trajectory can be further generated, so that the utility model discloses a human body thermal plume of the real person can be simulated to influence the process of the exhaled spray by the thermal plume by the thermal manikin 100.

In other examples, the heating member 120 is disposed at various locations in the dummy body 110 using a plurality of PTC heating plates, or disposed at desired positions in the dummy body 110 using heat radiation lamp bodies, thereby ensuring that the body surface temperature of the dummy body 110 is maintained within a range of a preset temperature.

Optionally, as shown in fig. 1, the thermal manikin 100 further comprises a power supply 170, and the power supply 170 is electrically connected with the heating part 120 through an electric wire so as to provide the heating part 120 with required electric power.

Optionally, as shown in fig. 1, the thermal manikin 100 further includes a circulation fan 160, a cavity is formed in the dummy body 110, the circulation fan 160 is disposed in the cavity, and the circulation fan 160 operates to keep the surface temperature of the dummy body 110 at a preset temperature, that is, the circulation fan 160 drives the airflow in the dummy body 110 to make the airflow continuously flow in the dummy body 110, so that the temperature of the airflow in the dummy body 110 is uniform, which is beneficial for keeping the whole dummy body 110 at a constant temperature.

Optionally, a plurality of circulation fans 160 are provided, and the flow directions of the circulation fans 160 are different, so that the airflow in the cavity is blown to different positions, thereby greatly improving the airflow circulation efficiency inside the dummy body 110. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

For example, in some specific examples, the dummy body 110 includes two leg portions 116, two circulation fans 160 are provided, and one circulation fan 160 is provided in each leg portion 116, wherein one circulation fan 160 exhausts air toward the body portion 111, and the other circulation fan 160 exhausts air from the body portion 111 toward the leg portions 116, so that the air flow in the dummy body 110 is circulated, and the temperature of the air flow in the dummy body 110 is kept stable.

Alternatively, the circulation fan 160 is a continuously variable speed fan, so that the rotation speed of the circulation fan 160 can be controlled, and the airflow in the dummy body 110 can be circulated without causing excessive interference to the output of the particulate matter 200.

Optionally, the utility model discloses a dummy body 110's surface can set up thermodetector to whether can know dummy body 110's body surface temperature in real time is normal, is favorable to controlling temperature parameter in the experimentation and keeps in reasonable within range.

In some embodiments of the present invention, as shown in fig. 2, the first motion member 130 includes a nodding member 131, the nodding member 131 includes a first driving motor 1311 and a first transmission member 1312, an output end of the first driving motor 1311 is connected to the first transmission member 1312, and the first driving motor 1311 drives the first transmission member 1312 to rotate the head 112 in the vertical plane, so as to realize nodding. The nodding component 131 here imparts nodding motion to the head 112 as shown in fig. 6, so that the head 112 simulates the pitching motion of a real human head.

In some examples, as shown in fig. 1, the prosthetic body 110 includes a neck 114 disposed between the head 112 and the body 111, and as shown in fig. 2, the first transmission member 1312 includes a first lead screw assembly 1312a and a first link assembly 1312b, one end of the first lead screw assembly 1312a is connected to an output end of the first driving motor 1311, the first driving motor 1311 is fixed to the neck 114, the other end of the first lead screw assembly 1312a is connected to the first link assembly 1312b, and one end of the first link assembly 1312b is connected to the head 112, so that the head 112 realizes a front-back pitch motion with respect to the neck 114.

In the above example, the first lead screw assembly 1312a includes a first lead screw and a first nut disposed on one of the first links 1312b, and when the first driving motor 1311 operates, the first lead screw is driven to rotate, so that the first nut on the first lead screw moves up and down relative to the first lead screw, and further drives other components on the first link assembly 1312b to move, and finally the head 112 of the first link assembly 1312b is driven to move.

In other examples, the first lead screw assembly 1312a may be omitted, and the first driving motor 1311 is a linear motor, or the first driving motor 1311 is replaced by an electric cylinder or an air cylinder, and the first driving motor 1311 is connected to the first link assembly 1312a, so that the first link assembly 1312b is pushed by the first driving motor 1311 to drive the head 112 to perform the nodding action.

The first driving motor 1311 may not be provided on the neck 114 of the dummy body 110, and the first driving motor 1311 may be provided on the body 111 in other examples. For another example, in another example, the nodding part 131 further includes a first bracket 1313, the first bracket 1313 is fixed to the body 111, a first driving motor 1311 is connected to the first bracket 1313 and fixed to the body 111, an output end of the first driving motor 1311 is connected to a first lead screw assembly 1312a, an output end of the first lead screw assembly 1312a is connected to a first link assembly 1312b, and the first link assembly 1312b is connected to the head 112 and drives the head 112 to move up and down when the first driving motor 1311 moves.

In a specific example, the output end of the first link assembly 1312b is rotatably connected to the first support 1313, a rotation point between the first support 1313 and the first support 1314 is formed, the head shaking component 132 or/and the second motion component 140 is connected to the first support 1313, so that the head 112 and the nodding component 131 are indirectly connected through the head shaking component 132 or/and the second motion component 140, and the first driving motor 1311 drives the head 112 to rotate in a vertical plane relative to the first support 1314 to form nodding motion.

In some embodiments of the present invention, as shown in fig. 3, the first motion member 130 further includes a head-shaking member 132, the head-shaking member 132 includes a second driving motor 1321 and a second transmission member 1322, one end of the second driving motor 1321 is connected to the body portion 111, an output end of the second driving motor 1321 is connected to the second transmission member 1322, and the second driving motor 1321 drives the second transmission member 1322 to rotate the head 112 in the horizontal plane for shaking the head. The oscillating part 132 here causes the head 112 to make an oscillating or head-swinging motion as shown in fig. 7, so that the head 112 simulates the swinging motion of a real person's head.

Of course, in other examples, one end of the second driving motor 1321 may not be limited to be connected to the body 111, and in an alternative example, one end of the second driving motor 1321 is connected to the head 112, an output end of the second driving motor 1321 is connected to the second transmission member 1322, and the second transmission member 1322 is connected to the first link assembly 1312b in the previous example. The second driving motor 1321 drives the second transmission member 1322 to rotate the head 112 in a horizontal plane relative to the body 111 for swinging. The oscillating part 132 here causes the head 112 to make an oscillating or head-swinging motion as shown in fig. 7, so that the head 112 simulates the swinging motion of a real person's head. At this time, the nodding motion and the shaking motion can be simultaneously realized or can be respectively acted.

In some embodiments, as shown in fig. 1, the dummy body 110 further comprises a neck 114, the neck 114 is connected between the body 111 and the head 112, and the head 112 and the neck 114 are in a flexible connection 118 therebetween such that the head 112 can rotate in multiple planes relative to the neck 114. The method specifically comprises the following steps: the head 112 is rotatable in a vertical plane relative to the neck 114 and the neck 114 is rotatable in a horizontal plane relative to the body 111. Through the flexible connection between the head and the neck 114, the head 112 can rotate in a vertical plane relative to the neck 114 to form nodding motion, and can also rotate in a horizontal plane to form shaking motion, so that the flexible motion of the head 112 is facilitated, the better sealing effect of the fake human body 110 is also facilitated, and the internal airflow circulation is facilitated.

In other examples, the head 112 and the neck 114 are connected by a rotating shaft, such that a hard connection is formed between the head 112 and the neck 114; while a horizontal rotational connection is formed between neck 114 and body 111.

As shown in fig. 3, the second transmission member 1322 includes a gear assembly connected to the output end of the second driving motor 1321, and the output end of the gear assembly is connected to the neck portion 114, so that the neck portion 114 drives the head portion 112 to rotate horizontally relative to the body portion 111, thereby realizing the head shaking action.

In the example of a hard connection between the head 112 and the neck 114 and a rotational connection in the horizontal plane between the neck 114 and the body 111, the second drive motor 1321 drives a drive gear in a gear assembly to rotate, the drive gear drives an intermediate gear engaged therewith to rotate, the intermediate gear drives a driven gear to rotate, thereby transmitting a force to the neck 114 to rotate the neck 114 relative to the body 111, thereby causing the neck 114 to drive the head 112 to rotate in the horizontal plane relative to the body 111. In these examples, when the first motion member 130 of the present invention includes both the nodding member 131 and the shaking head member 132, the first driving motor 1311 of the nodding member 131 may be disposed at the neck portion 114, and the second driving motor 1321 of the shaking head member 132 may be disposed at the body portion 111, so that the shaking head member 132 and the nodding member 131 may be operated simultaneously without interference.

Of course, when the head 112 and the neck 114 are flexibly connected and the neck 114 and the body 111 are integrally connected, the gear assembly is disposed on the first link assembly 1312b, and at this time, the second driving motor 1321 drives the driving gear in the gear assembly to rotate, the driving gear drives the intermediate gear engaged therewith to rotate, and the intermediate gear drives the driven gear to rotate, and since the nodding member 131 is fixed in the horizontal plane relative to the neck 114, the head 112 rotates in the horizontal plane relative to the neck 114, so that the head 112 rotates in the horizontal plane relative to the neck 114 alone, and the neck 114 remains stationary. In these examples, when the first motion part 130 of the present invention may also include the nodding part 131 and the shaking part 132 at the same time, the shaking part 132 and the nodding part 131 may operate at the same time without interfering with each other.

In addition, the nodding part 131 and the shaking head part 132 of the present invention can be optionally disposed, and only the first driving motor 1311 of the nodding part 131 is required to be disposed on the body 111 or the neck 114, and the output end of the first transmission member 1312 is connected to the head 112. Alternatively, the second driving motor 1321 of the oscillating member 132 may be provided only at the body 111 or the neck 114, and the output end of the second transmission member 1322 may be connected to the head 112.

Optionally, the head shaking unit 132 further comprises a second support 1323, the second support 1323 is fixed on the head 112, the second driving motor 1321 is fixed on the second support 1323, the second driving motor 1321 is connected with a rotating shaft, the rotating shaft is connected with a driving gear, the driving gear is engaged with a driven gear, and the driven gear is rotatably connected between the second support 1323 and the first link assembly 1312b through a fixed shaft, so that the second driving motor 1321 is conveniently arranged and the force transmission direction is stable.

Alternatively, as shown in fig. 1 and 4, the mouth portion 113 includes a jaw portion 115, the second actuating member 140 includes a third driving motor 141 and a third transmission member 142, one end of the third driving motor 141 is connected to the head portion 112, an output end of the third driving motor 141 is connected to the third transmission member 142, and the other end of the third transmission member 142 is connected to the jaw portion 115. Thereby, the jaw 115 opens or closes the mouth 113 under the driving of the third driving motor 141, and the mouth 113 is opened and closed as shown in fig. 8.

In some examples, the third transmission 142 includes a second lead screw assembly 1421 and a second linkage assembly 1422, one end of the second lead screw assembly 1421 is connected to an output end of a third drive motor 141, the third drive motor 141 is fixed to the head 112, and an output end of the second lead screw assembly 1421 is connected to the second linkage assembly 1422, thereby enabling movement of the jaw 115 relative to the mouth 113.

Optionally, the third driving motor 141 is fixed on the aforementioned second support 1323 so as to be connected to the head 112, the second connecting rod assembly 1422 is rotatably connected to the second support 1323, and the rotating position forms a second fulcrum 143, when the third motor 141 operates, the second connecting rod assembly 1422 is driven, and the second connecting rod assembly 1422 drives the jaw 115 to rotate in a vertical plane relative to the second fulcrum 143, so as to open and close the mouth 113. Advantageously, a flexible connection 118 is used between the jaw 115 and the mouth 113, and the flexible connection 118 is optionally connected by silicone, so that the movement form of the jaw 115 is more flexible.

In the description of the present invention, features defined as "first", "second" and "third" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.

Optionally, the first driving motor 1311, the second driving motor 1321, and the third driving motor 141 are steering engines, and the steering engines are adopted to control the motion amplitudes of the nodding part 131, the head shaking part 132, and the second motion part 140, which is beneficial to controlling the test variables.

In some examples, the nodding angle ranges between 30 ° up and down.

In some examples, the range of angles for the oscillating head is between 60 ° left and right.

In some examples, as shown in fig. 8, the open-close angle of the jaws 115 is between 0 ° and 30 °.

In some embodiments of the present invention, as shown in fig. 1, the releasing device 150 comprises a generator 151, a delivery pipe 152, and a delivery pump, the generator 151 generates the granular substance 200, one end of the delivery pipe 152 is connected to the generator 151, the other end of the delivery pipe 152 is connected to the mouth portion 113, and the delivery pump passes the granular substance 200 out of the generator 151 to the mouth portion 113 along the delivery pipe 152. In these examples, the delivery tube 152 may direct the pellets 200 from the generator 151 at the inlet 113 such that the pellets 200 are output outwardly when the mouth 113 is open. The delivery pump provides sufficient power for the delivery of the pellets 200 so that the pellets 200 have an initial velocity that can be delivered to the mouth 113.

Alternatively, as shown in fig. 1, the prosthesis body 110 includes an upper limb 117, the generator 151 is provided outside the prosthesis body 110, the delivery pipe 152 is passed into the prosthesis body 110 from the upper limb 117, and the delivery pipe 152 is opened to the mouth 113, and the outlet of the delivery pipe 152 faces the mouth 113. It can be understood that the generator 151 is externally provided to facilitate addition of raw materials, and also to facilitate placement and fixation, and also to prevent the influence of distortion of the dummy body 110 caused by the arrangement of the generator 151 inside the dummy body 110, resulting in unstable structure of the dummy body 110, or causing a burden of constant temperature maintenance of the dummy body 110. Meanwhile, the duct 152 is directed from the upper limb 117 to the mouth 113, so as to avoid air leakage and internal airflow obstruction caused by the hole opening of the dummy body 110 in the body 111. Meanwhile, the upper limb 117 can also form a certain positioning and supporting for the conveying pipe 152, which is beneficial for the conveying pipe 152 to stably convey the granular objects 200 and effectively control the initial speed of the granular objects 200.

Alternatively, the delivery tube 152 is a rubber or plastic tube, so that the delivery tube 152 has a certain bending property to facilitate the fitting into the dummy body 110.

Alternatively, the granulate 200 is granular sodium chloride, which is readily available and non-polluting in raw materials and convenient to transport. The particles 200 may also be other non-toxic and readily available crystals, and are not particularly limited herein.

The utility model discloses an in some embodiments, artificial human body 110 can select to use aluminum alloy material to make, reduces artificial human body 110's total weight, guarantees good heat dispersion, makes artificial human body 110 have certain intensity.

Alternatively, the physical form of the dummy body 110 is designed with reference to the european female size characteristics number 38, having a height of 1.68m and a surface area of 1.5 square meters. To a certain extent, the complex human anatomy may be simplified, with due consideration to the effects of flow field disturbances on leg 116, upper limb 117, head 112, and facial structures.

Optionally, the first actuating member 130 and the second actuating member 140 are formed by 3D printing of resin materials, so that the manufacturing is convenient, and the input cost is effectively controlled.

A simulation method of dynamic release of exhaled droplets of the thermal manikin 100 according to an embodiment of the present invention is described below.

According to the utility model discloses a simulation method of warm body dummy 100's exhalation droplet dynamic release, including following step:

step S1, heating the dummy body 110 to a preset temperature.

The preset temperature can be 29.1-31.1 ℃, so that the surface temperature of the dummy body 110 is consistent with the body surface temperature of the real person, a thermal radiation field is formed around the dummy body 110, a thermal plume is formed, and the change of the motion trail can be further generated when the granular objects 200 pass through the thermal plume, so that the utility model discloses a body warming dummy 100 can simulate the influence process of the human thermal plume of the real person on the exhaled droplets.

The heating member 120 can be used to heat the dummy body 110, which is not described in detail herein.

And step S2, controlling the head 112 of the dummy body 110 to nod and/or shake the head. Here, the head 112 may perform a compound motion of nodding or shaking the head at the same time, or the head 112 may perform a motion of nodding or shaking the head alone.

The nodding component 131 can be used to nod the head 112, which is not described herein. The angle of the nodding head ranges between up and down 30 deg..

The head 112 can be moved by the head-moving part 132 as described above, which is not described herein. The range of the oscillating angle is between 60 degrees to the left and right.

Step S3, the mouth 113 is controlled to open and close.

The second actuating member 140 can be used to control the jaw 115 to open or close the mouth 113, so as to actuate the mouth 113, which is not described herein. The opening and closing angle of the jaw 115 is between 0 ° and 30 °.

Step S4, the releasing device 150 is opened to release the pellets 200 stably and output from the mouth 113.

The structure of the release device 150 can be seen in the foregoing embodiments, and is not described in detail here.

According to the simulation method, the simulation method for dynamically releasing the exhaled foam of the thermal manikin 100 provided by the embodiment of the invention can continuously keep the body surface of the thermal manikin 100 in the preset temperature range, when the mouth 113 is opened and closed immediately in the process of nodding and/or shaking the head of the dummy body 110, the granular objects 200 released by the release device 150 flow out of the dummy body 110 from the mouth 113, so that the process of releasing the granular objects 200 by the thermal manikin 100 is closer to the process of spreading the foam generated by the real person during the respiratory activities such as talking, coughing and sneezing, the data obtained by the simulation method is more accurate and reliable, and the improvement of the accuracy of protection demand prediction is facilitated.

Optionally, the utility model discloses a control system controls each part action, and host computer or cell-phone end software on the control system accessible computer end control.

For example, in a specific example, the upper computer and the mobile phone end software are in communication connection with the control system, and when a corresponding control instruction is input, the upper computer or the mobile phone end software transmits a signal to the control system, and the control system controls the first action component 130 to act, so that the action of the head 112 is controlled; or the control system controls the second actuating component 140 to actuate, thereby realizing the opening and closing control of the mouth part 113.

In these examples, the control system can regulate the rotation speed, the steering direction, and the rotation time of the first drive motor 1311, the second drive motor 1321, and the third drive motor 141, thereby reliably adjusting the motion of the head 112 and the opening and closing of the mouth 113.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Two circulation fans 160 are shown in fig. 1 for illustrative purposes, but it is obvious to those skilled in the art after reading the above technical solutions that the solution can be applied to other numbers of circulation fans 160, and this also falls within the protection scope of the present invention.

The body structure and heating principle of the thermal manikin 100 in the thermal manikin 100 simulating dynamic release of exhaled droplets according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A thermal manikin simulating dynamic release of exhaled droplets, comprising:

the artificial human body comprises a body part and a movable head part, wherein the head part is provided with an opening part which can be opened and closed;

the heating component is used for heating the dummy body to a preset temperature;

the first action component drives the head to move relative to the dummy body;

the second action part drives the opening part to open and close;

a release device that outputs a pellet to the outside of the dummy body when the mouth is opened.

2. The simulated exhaled breath droplet dynamic release warming prosthesis of claim 1, wherein the heating element is an electro-thermal film disposed within the prosthesis body.

3. The thermal manikin as in claim 2, wherein said preset temperature is 29.1 ℃ to 31.1 ℃.

4. A thermal manikin dummy according to any one of claims 1 to 3, further comprising a circulation fan, said manikin having a cavity formed therein, said circulation fan being disposed within said cavity, said circulation fan being operative to maintain a surface temperature of said manikin body at a preset temperature.

5. The thermal manikin dummy simulating dynamic release of exhaled breath droplets according to claim 4, wherein said circulation fan is provided in plurality, and the flow direction of said circulation fan is different, so that the air flow in said cavity is blown to different locations.

6. The thermal manikin dummy simulating dynamic release of exhaled foam according to claim 1, wherein the first action member comprises a nodding member, the nodding member comprises a first driving motor and a first transmission member, an output end of the first driving motor is connected with the first transmission member, and the first driving motor drives the first transmission member to drive the head to rotate in a vertical plane so as to realize nodding.

7. The dummy body for simulating dynamic release of exhaled droplets according to claim 6, wherein said first moving part further comprises a head shaking part, said head shaking part comprises a second driving motor and a second driving member, said second driving motor has an output end connected to said second driving member, said second driving motor drives said second driving member to rotate said head in a horizontal plane to shake the head.

8. The thermal manikin as in claim 7, wherein said manikin body further comprises a neck connected between said body and said head, said head and said neck being a flexible connection such that said head is rotatable relative to said neck in a plurality of planes.

9. The thermal manikin dummy simulating dynamic release of exhaled breath droplets according to claim 8, wherein said nodding member further comprises a first bracket, said first transmission member comprises a first lead screw assembly and a first link assembly, one end of said first lead screw assembly is connected to an output end of said first driving motor, said first bracket is connected to said neck or said body, said first driving motor is fixed to said first bracket, the other end of said first lead screw assembly is connected to said first link assembly, one end of said first link assembly is connected to said head;

the part of shaking head still includes the second support, the second support is fixed the head, second driving motor fixes on the second support, the second driving medium includes the gear assembly, the gear assembly is connected on second driving motor's the output, the output of gear assembly is connected first link assembly.

10. The manikin dummy simulating dynamic release of exhaled breath according to claim 1, wherein said mouth portion comprises a jaw portion, said second action member comprises a third driving motor and a third transmission member, one end of said third driving motor is connected to said head portion, an output end of said third driving motor is connected to said third transmission member, and the other end of said third transmission member is connected to said jaw portion.

11. The thermal manikin dummy simulating dynamic release of exhaled spray according to claim 1, wherein said release means comprises a generator, a delivery tube and a delivery pump, said generator generating said particulate matter, said delivery tube being connected at one end to said generator and at the other end to said mouth, said delivery pump passing said particulate matter from said generator along said delivery tube to said mouth.

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