CN115395350B - Laser emission air cooling assembly and high-efficient portable laser blood sampling instrument who continues to journey - Google Patents

Laser emission air cooling assembly and high-efficient portable laser blood sampling instrument who continues to journey Download PDF

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CN115395350B
CN115395350B CN202210424272.9A CN202210424272A CN115395350B CN 115395350 B CN115395350 B CN 115395350B CN 202210424272 A CN202210424272 A CN 202210424272A CN 115395350 B CN115395350 B CN 115395350B
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laser
shell
air
air inlet
air outlet
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CN115395350A (en
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杨淦
何军
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Chengdu Woda Huikang Technology Co ltd
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Chengdu Woda Huikang Technology Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02—Constructional details
    • H01S3/04—Arrangements for thermal management
    • H01S3/0404—Air- or gas cooling, e.g. by dry nitrogen
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/150022—Source of blood for capillary blood or interstitial fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15134—Bladeless capillary blood sampling devices, i.e. devices for perforating the skin in order to obtain a blood sample but not using a blade, needle, canula, or lancet, e.g. by laser perforation, suction or pressurized fluids
    • A61B5/15136—Bladeless capillary blood sampling devices, i.e. devices for perforating the skin in order to obtain a blood sample but not using a blade, needle, canula, or lancet, e.g. by laser perforation, suction or pressurized fluids by use of radiation, e.g. laser
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/024—Arrangements for thermal management
    • H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
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  • Condensed Matter Physics & Semiconductors (AREA)
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  • Plasma & Fusion (AREA)
  • Lasers (AREA)

Abstract

The invention discloses a laser emission air cooling assembly and a portable laser hemostix with high-efficiency endurance. In a second aspect, a portable laser blood collector of high-efficient duration, including the shell, including foretell a laser emission forced air cooling subassembly, laser emitter electricity is connected with energy storage module, and energy storage module electricity is connected with high voltage conversion module, and high voltage conversion module electricity is connected with power module. The laser blood sampling device can cool the laser blood sampling device from the inside of the laser blood sampling device, has a good cooling effect, and can effectively improve the cruising ability of the laser blood sampling device.

Description

Laser emission air cooling assembly and high-efficient portable laser blood sampling instrument who continues to journey
Technical Field
The invention relates to the technical field of laser medical instruments, in particular to a laser emission air cooling assembly and a portable laser hemostix with high-efficiency cruising.
Background
In the process of medical examination, blood is often required to be collected from a patient for blood examination, along with rapid development of technology, laser blood collection is widely applied to the blood examination collection process, and the skin of the patient is burned through laser emitted by a laser blood collector to collect the blood, so that the blood collection device has the advantages of no pain, no pollution and the like.
The existing laser hemostix, such as the patent with the application number of CN201710811300.1, describes a laser emitter with an embedded reflector, and the laser hemostix is mostly used for cooling the laser emitter from the outer side of the laser emitter, so that the cooling effect is poor, the laser hemostix needs longer time for cooling, if waiting for cooling for a long time, the using interval time is long, and the using efficiency is low; if the cooling time is not reached, the output laser energy is reduced, more electric energy is consumed for reaching the preset laser energy, so that the cruising ability of the laser hemostix is poor, and the laser hemostix is inconvenient to use.
Disclosure of Invention
The invention aims to provide a laser emission air cooling assembly and a portable laser hemostix with high-efficiency cruising, which can cool the laser hemostix from the inside of the laser hemostix, has a good cooling effect and can effectively improve the cruising ability of the laser hemostix.
In order to solve the technical problems, the invention adopts the following scheme:
in a first aspect, a laser emission forced air cooling subassembly, including the columnar casing of laser emitter, be equipped with the reflector in the casing, be equipped with laser crystal and flash lamp in the reflector, be equipped with the mounting hole that is used for installing the flash lamp on the terminal surface in the casing, be equipped with on the terminal surface of one side in the casing along the casing axis direction extend to near the air inlet channel of casing outer end, be equipped with on the terminal surface of the opposite side in the casing along the casing axis direction extend to near the air outlet channel of casing outer end, be equipped with small-size fan near air inlet channel department outside the casing, be equipped with the air delivery channel between air outlet end and the air inlet channel of small-size fan. The air inlet duct is internally provided with dustproof cotton for filtering dust. The laser transmitter cooling device has the advantages that the air inlet channel and the air outlet channel which are communicated with the cavity inside the shell are respectively arranged at the two ends of the shell of the laser transmitter, so that cold air can be blown into the shell, and the laser transmitter is directly cooled from the inside of the shell, so that the cooling effect is good.
Further, the openings at the two ends of the reflector are respectively communicated with the air inlet duct and the air outlet duct, the air inlet duct and the air outlet duct extend along the axial direction of the shell, the air inlet duct and the air outlet duct are columnar, and the cross-sectional area of the air outlet duct is smaller than that of the air inlet duct. Or the air inlet duct and/or the air outlet duct are/is in a table shape, and the inlet area of the air inlet duct is larger than the outlet area of the air outlet duct. Its effect is, through the design that the entry area of air inlet channel is greater than air outlet channel exit area, when cold wind gets into in the laser emitter, the passageway of cold wind process reduces along with the advance of cold wind, can increase the wind pressure when cold wind business turn over laser emitter is inside to increase the velocity of flow of cold wind in the inside laser emitter, along with the increase of cold wind velocity of flow, the heat in the laser emitter is lost faster.
Further, the reflector is a columnar body with a columnar cavity inside, the axis direction of the reflector is parallel to the axis direction of the columnar cavity, and projections of the outlet of the air inlet duct and the inlet of the air outlet duct along the axis direction of the reflector are positioned in the cavity of the reflector and outside the side walls of the reflector and the flash lamp. The laser device has the effect that the projections of the outlet of the air inlet duct and the inlet of the air outlet duct along the axis direction of the reflector are arranged in the cavity of the reflector and outside the side walls of the laser crystal and the flash lamp, so that the arrangement of the air inlet duct and the air outlet duct is prevented from damaging the original structure and position distribution of the reflector, the flash lamp and the laser crystal in the laser transmitter, and the generation and the intensity of laser are affected.
Further, gaps exist between the two end surfaces in the shell and the end surfaces at the two sides of the reflector. The effect is, through the design that all has the gap between the terminal surface in both sides and the reflector both sides in the casing, can avoid because the inlet channel or go out the wind channel and be too near apart from the reflector, creepage distance is too short to lead to striking sparks and produce smog and dust when producing laser, thereby influence the laser energy of output.
Further, the minimum distance between the outlet of the air inlet channel on the end surface of the air inlet channel arranged in the shell and the mounting hole is equal to the minimum distance between the outlet of the air inlet channel and the reflector in space; the minimum distance between the inlet of the air outlet channel on the end surface of the air outlet channel and the mounting hole is equal to the minimum distance between the inlet of the air outlet channel and the reflector in space. The device has the function that the air inlet duct or the air outlet duct and the mounting holes and the reflectors which are respectively provided with the flash lamps at the two sides keep the same minimum creepage distance, and the smoke and dust generated by ignition caused by laser generation are avoided, so that the output laser energy is influenced.
Further, the minimum distance between the outlet of the air inlet channel on the end surface of the air inlet channel and the mounting hole and the minimum distance between the outlet of the air inlet channel and the reflector in space are between 0.7 and 0.9mm; the minimum distance between the inlet of the air outlet channel on the end surface of the air outlet channel and the mounting hole and the minimum distance between the inlet of the air outlet channel and the reflector in space are between 0.7 and 0.9mm.
Further, two air inlet channels are arranged on the section, close to one end, of the shell, two air outlet channels are arranged on the section, close to the other end, of the shell, two air inlet channels on one end in the shell are symmetrically arranged on two sides of an axis formed by connecting the center of the laser crystal and the center of the flash lamp, and two air outlet channels on the other end in the shell are symmetrically arranged on two sides of the axis formed by connecting the center of the laser crystal and the center of the flash lamp. The effect is that, through the setting of air outlet channel and air inlet channel number, can increase the area of ventilation as far as possible under the prerequisite that does not destroy laser crystal, flash lamp, reflector original overall arrangement and structure in the laser emitter and does not influence laser output energy, reinforcing cooling effect.
The second aspect, a portable laser blood collector of high-efficient continuation of journey, including the shell, including foretell a laser emission forced air cooling subassembly, laser emitter electricity is connected with the energy storage module that is used for storing high-voltage electric energy, and the energy storage module electricity is connected with the high-voltage conversion module that is used for converting high-voltage electric energy into high-voltage electric energy, and high-voltage conversion module electricity is connected with the power module that is used for filling low-voltage electric energy to laser blood collector. The energy storage module is arranged, so that the electric energy instantaneously transmitted to the laser transmitter can be increased, and the output energy of the laser transmitter is increased; after the energy storage module improves the output energy of laser, the temperature inside the laser generator can rise, the cooling time can be prolonged, the service interval time can be long, the service efficiency is low, the energy storage module can provide enough energy for the laser transmitter to effectively reduce the temperature inside the laser generator on the premise of providing stable laser energy, the cruising ability of the laser blood collector is further improved under the combined action, the service interval of the laser blood collector is effectively shortened, and the service efficiency of the laser blood collector is improved.
Further, an air outlet is arranged on the housing close to the air outlet channel, and an air inlet is arranged on the housing close to the small fan. The air inlet is used for inputting cold air, and the air outlet is used for exhausting warm air.
Further, the shell is located the shell, is equipped with laser export on the shell, and the lateral wall of shell is next to the inside wall of shell, is equipped with the one end of air-out channel and sets up towards laser export on the shell, and the air-out channel is curved towards the inside region of shell from the air-in channel, and the air-out end of small-size fan is equipped with in the one end that the air-out channel kept away from the air-in channel. The laser hemostix has the advantages that the overall length of the laser hemostix in the length direction of the laser transmitter can be reduced as much as possible through the layout, so that the laser hemostix can be conveniently carried.
The invention has the beneficial effects that:
1. through respectively arranging an air inlet duct and an air outlet duct which are communicated with the cavity in the shell at two ends of the shell of the laser transmitter, cold air can be blown into the shell, and the laser transmitter is directly cooled from the shell, so that the cooling effect is good;
2. by the arrangement of the energy storage module, the electric energy instantaneously transmitted to the laser transmitter can be increased, so that the output energy of the laser transmitter is increased; after the energy storage module improves the output energy of laser, the temperature inside the laser generator can rise, the cooling time can be prolonged, the service interval time can be long, the service efficiency is low, the energy storage module can provide enough energy for the laser transmitter to effectively reduce the temperature inside the laser generator on the premise of providing stable laser energy, the cruising ability of the laser blood collector is further improved under the combined action, the service interval of the laser blood collector is effectively shortened, and the service efficiency of the laser blood collector is improved.
Drawings
FIG. 1 is a schematic diagram of a front view of a laser transmitter;
FIG. 2 is a schematic diagram of a rear view of a laser transmitter;
FIG. 3 is a schematic cross-sectional view of the structure at A-A in FIG. 1;
FIG. 4 is a schematic perspective view of a laser transmitter adjacent an air inlet duct;
FIG. 5 is a schematic perspective view of a laser transmitter adjacent to an outlet duct;
fig. 6 is a schematic structural view of the laser hemostix.
The reference numerals are explained as follows: 1. a housing; 2. a reflector; 3. a laser crystal; 4. a flash lamp; 5. a mounting hole; 6. an air inlet duct; 7. an air outlet duct; 8. a small fan; 9. an air delivery duct; 10. an energy storage module; 11. a high voltage conversion module; 12. a power module; 13. an air outlet; 14. an air inlet; 15. a laser outlet; 16. a housing.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
According to the first aspect, as shown in fig. 3, a laser emission air cooling component comprises a columnar shell 1 of a laser emitter, a reflector 2 is arranged in the shell 1, a laser crystal 3 and a flash lamp 4 are arranged in the reflector 2, mounting holes 5 for mounting the flash lamp 4 are formed in two end faces in the shell 1, as shown in fig. 1, an air inlet duct 6 extending to the outer end close to the shell 1 along the axis direction of the shell 1 is formed in one side end face in the shell 1, an air outlet duct 7 extending to the outer end close to the shell 1 along the axis direction of the shell 1 is formed in the other side end face in the shell 1, a small fan 8 is arranged at the position close to the air inlet duct 6 outside the shell 1, and an air outlet duct 9 is arranged between the air outlet end of the small fan 8 and the air inlet duct 6. A dustproof cotton for filtering dust is arranged in the air inlet duct 6. The laser transmitter cooling device has the advantages that the air inlet duct 6 and the air outlet duct 7 which are communicated with the cavity inside the shell 1 are respectively arranged at the two ends of the shell 1 of the laser transmitter, so that cold air can be blown into the shell 1, and the laser transmitter is directly cooled from the inside of the shell 1, so that the cooling effect is good.
Specifically, as shown in fig. 3, openings at two ends of the reflector 2 are respectively communicated with the air inlet duct 6 and the air outlet duct 7, the air inlet duct 6 and the air outlet duct 7 extend along the axial direction of the shell 1, the air inlet duct 6 and the air outlet duct 7 are columnar, and the cross-sectional area of the air outlet duct 7 is smaller than that of the air inlet duct 6. The outlet duct 7 is located in the inlet duct 6 on the projection of the end face of the housing 1. Its effect is, through the design that the entry area of air inlet channel 6 is greater than the exit area of air outlet channel 7, when cold wind gets into in the laser emitter, the passageway of cold wind process reduces along with the advancing of cold wind, can increase the wind pressure when cold wind business turn over laser emitter is inside to increase the velocity of flow of cold wind in the inside velocity of laser emitter, along with the increase of cold wind velocity of flow, the heat in the laser emitter is lost faster.
Specifically, as shown in fig. 2, the reflector 2 is a cylindrical body with a cylindrical cavity inside, the axial direction of the reflector 2 is parallel to the axial direction of the cylindrical cavity, and the projections of the outlet of the air inlet duct 6 and the inlet of the air outlet duct 7 along the axial direction of the reflector 2 are both located in the cavity of the reflector 2 and outside the side walls of the reflector 2 and the flash lamp 4. The laser beam generating device has the effect that through the design that the projections of the outlet of the air inlet duct 6 and the inlet of the air outlet duct 7 along the axis direction of the reflector 2 are both positioned in the cavity of the reflector 2 and outside the side walls of the laser crystal 3 and the flash lamp 4, the arrangement of the air inlet duct 6 and the air outlet duct 7 is prevented from damaging the original structures and positions of the reflector 2, the flash lamp 4 and the laser crystal 3 in the laser transmitter, so that the generation and the intensity of laser are influenced.
Specifically, as shown in fig. 3, a gap exists between two end surfaces in the housing 1 and two end surfaces on two sides of the reflector 2. The effect is that, through the design that all has the gap between the terminal surface of both sides in casing 1 and reflector 2 both sides, can avoid because intake duct 6 or play wind channel 7 are too near apart from reflector 2, creepage distance is too short to lead to striking sparks and produce smog and dust when producing laser, thereby influence the laser energy of output.
Specifically, as shown in fig. 4, a minimum distance a1 between the outlet of the air inlet duct 6 on the end surface of the air inlet duct 6 and the mounting hole 5 in the housing 1 is equal to a minimum distance a2 between the outlet of the air inlet duct 6 and the reflector 2 in space; as shown in fig. 5, the minimum distance b1 between the inlet of the air outlet duct 7 on the end surface of the air outlet duct 7 and the mounting hole 5 is set in the housing 1, and the minimum distance b2 between the inlet of the air outlet duct 7 and the reflector 2 in space is equal. The effect is that the air inlet duct 6 or the air outlet duct 7 and the mounting holes 5 provided with the flash lamps 4 and the reflectors 2 on the two sides of the air inlet duct or the air outlet duct are kept at the same minimum creepage distance, and the phenomenon that smoke and dust are generated due to ignition when laser is generated is avoided, so that the output laser energy is influenced.
Specifically, a minimum distance a1 between an outlet of the air inlet duct 6 on the end surface of the air inlet duct 6 in the shell 1 and the mounting hole 5, and a minimum distance a2 between the outlet of the air inlet duct 6 and the reflector 2 in space are both 0.9mm; the minimum distance b1 between the inlet of the air outlet duct 7 on the end surface of the air outlet duct 7 arranged in the shell 1 and the mounting hole 5 and the minimum distance b2 between the inlet of the air outlet duct 7 and the reflector 2 in space are both 0.9mm.
Specifically, as shown in fig. 1 and fig. 2, two air inlet channels 6 are disposed on a section of the housing 1 near one end, two air outlet channels 7 are disposed on a section of the housing 1 near the other end, the two air inlet channels 6 on one end in the housing 1 are symmetrically disposed on two sides of an axis formed by connecting the center of the laser crystal 3 and the center of the flash lamp 4, and the two air outlet channels 7 on the other end in the housing 1 are symmetrically disposed on two sides of an axis formed by connecting the center of the laser crystal 3 and the center of the flash lamp 4. The effect is that, through the setting of air outlet duct 7 and air inlet duct 6 numbers, can increase the area of ventilation as far as possible under the prerequisite that does not destroy laser crystal 3 in the laser emitter, flash lamp 4, reflector 2 original overall arrangement and structure and do not influence laser output energy, reinforcing cooling effect.
In a second aspect, as shown in fig. 6, a portable laser hemostix with high-efficiency cruising function includes a housing 16, including a laser emission air-cooled component as described above, the laser emission is electrically connected with an energy storage module 10 for storing high-voltage electric energy, the energy storage module 10 is electrically connected with a high-voltage conversion module 11 for converting the high-voltage electric energy into the high-voltage electric energy, and the high-voltage conversion module 11 is electrically connected with a power module 12 for charging the laser hemostix with the low-voltage electric energy. The function of the device is that through the arrangement of the energy storage module 10, the electric energy instantaneously transmitted to the laser transmitter can be increased, so that the output energy of the laser transmitter is increased; after the energy storage module 10 improves the output energy of laser, the temperature inside the laser generator can rise, the cooling time can be prolonged, the service interval time can be long, the service efficiency is low, the energy storage module 10 can provide enough energy for the laser transmitter to provide stable laser energy, the temperature inside the laser generator can be effectively reduced, the cruising ability of the laser hemostix can be further improved under the combined action, the service interval of the laser hemostix can be effectively shortened, and the service efficiency of the laser hemostix can be improved.
Specifically, as shown in fig. 6, an air outlet 13 is provided on a side wall of the housing 16 near the air outlet duct 7, and an air inlet 14 is provided on a side wall of the housing 16 near the small fan 8. The air inlet 14 is used for inputting cold air, and the air outlet 13 is used for exhausting warm air.
Specifically, as shown in fig. 6, the housing 1 is located in the casing 16, the casing 16 is provided with a laser outlet 15, the outer side wall of the housing 1 is adjacent to the inner side wall of the casing 16, one end of the housing 1 provided with the air outlet 7 is arranged towards the laser outlet 15, the air outlet 9 is bent from the air inlet 6 towards the inner area of the casing 16, and the air outlet end of the small fan 8 is provided with an end of the air outlet 9 far away from the air inlet 6. The laser hemostix has the advantages that the overall length of the laser hemostix in the length direction of the laser transmitter can be reduced as much as possible through the layout, so that the laser hemostix can be conveniently carried.
The working principle of this embodiment is explained as follows: the power module 12 transmits the high-voltage electric energy to the high-voltage conversion module 11 to be converted into the high-voltage electric energy to be input into the energy storage module 10, the energy storage module 10 inputs the high-voltage electric energy to the laser transmitter, so that the laser energy output by the laser transmitter in a short time is increased, the laser intensity in the prior art is low, the laser transmitted in a long time is required, the effect of burning the skin to take blood can be achieved only by continuously consuming more electric energy in the period, the output laser energy is stronger, the blood can be taken only by the electric energy with shorter time and less loss, the working efficiency is improved, and the invention has stronger endurance capability because the electric energy consumed each time is less when the same electric quantity is transmitted into the laser hemostix;
starting a small fan 8, sucking cold air by the small fan 8 through an air inlet pipe on a laser hemostix shell 16, conveying the cold air to an air inlet pipe 6 on a laser emitter shell 1 through an air conveying pipe 9, enabling the cold air to enter a cavity in a reflector 2 to contact with a laser crystal 3 and a flash lamp 4 after passing through dustproof cotton on the air inlet pipe 6, and discharging the cold air through an air outlet pipe 7 after cooling the cold air;
because the laser hemostix in the invention is a small portable device, the two ends of the laser transmitter are provided with the air inlet duct 6 and the air outlet duct 7 which are matched with the cavity in the reflector 2 to form the cooling air duct in the laser transmitter, the technical difficulty needs to be overcome, namely, when the width of the air inlet duct 6 or the air outlet duct 7 is too wide, the minimum distance between the laser hemostix and the flash lamp 4 or the reflector 2 is too short, the residual creepage distance is not long enough when the flash lamp 4 is activated, the ignition phenomenon is generated, so that dust and smoke are generated, the output laser intensity is influenced, and the opening of the air inlet duct 6 and the air outlet duct 7 in the shell 1 is enlarged as much as possible on the premise of keeping the distance between the air inlet duct 6 or the air outlet duct 7 and the flash lamp 4 or the reflector 2, namely, the cooling effect is increased as much as possible on the premise of avoiding the ignition phenomenon.
The foregoing description of the preferred embodiment of the invention is not intended to limit the invention in any way, but rather to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the invention.

Claims (9)

1. The utility model provides a laser emission forced air cooling subassembly, includes laser emitter's casing (1), is equipped with reflector (2) in casing (1), is equipped with laser crystal (3) and flash lamp (4) in reflector (2), is equipped with on the terminal surface in casing (1) and is used for installing mounting hole (5) of flash lamp (4), its characterized in that: an air inlet channel (6) extending to the outer end close to the shell (1) along the axial direction of the shell (1) is arranged on the end face on one side in the shell (1), an air outlet channel (7) extending to the outer end close to the shell (1) along the axial direction of the shell (1) is arranged on the end face on the other side in the shell (1), a small fan (8) is arranged at the position, close to the air inlet channel (6), outside the shell (1), a small air delivery channel (9) is arranged between the air outlet end of the small fan (8) and the air inlet channel (6), and the minimum distance a1 between the outlet of the air inlet channel (6) and the mounting hole (5) on the end face, on which the air inlet channel (6) is arranged, of the small distance a2 in space, between the outlet of the air inlet channel (6) and the reflector (2) are equal; the minimum distance b1 between the inlet of the air outlet channel (7) on the end surface of the air outlet channel (7) and the mounting hole (5) is arranged in the shell (1), and the minimum distance b2 between the inlet of the air outlet channel (7) and the reflector (2) in space is equal.
2. A laser emitting air cooled assembly as set forth in claim 1 wherein: the two ends of the reflector (2) are respectively communicated with the air inlet duct (6) and the air outlet duct (7), the air inlet duct (6) and the air outlet duct (7) extend along the axial direction of the shell (1), and the cross-sectional area of the air outlet duct (7) is smaller than that of the air inlet duct (6).
3. A laser emitting air cooled assembly as set forth in claim 1 wherein: the reflector (2) is a columnar body with a columnar cavity inside, the axis direction of the reflector (2) is parallel to the axis direction of the columnar cavity, and the projection of the outlet of the air inlet duct (6) and the projection of the inlet of the air outlet duct (7) along the axis direction of the reflector (2) are both positioned in the cavity of the reflector (2) and outside the side walls of the laser crystal (3) and the flash lamp (4).
4. A laser emitting air cooled assembly according to claim 3, wherein: gaps exist between the two end surfaces in the shell (1) and the end surfaces on the two sides of the reflector (2).
5. A laser emitting air cooled assembly as set forth in claim 4 wherein: the minimum distance between the outlet of the air inlet duct (6) on the end face of the air inlet duct (6) and the mounting hole (5) and the minimum distance between the outlet of the air inlet duct (6) and the reflector (2) in space are between 0.7 and 0.9mm; the minimum distance between the inlet of the air outlet channel (7) on the end surface of the air outlet channel (7) and the mounting hole (5) and the minimum distance between the inlet of the air outlet channel (7) and the reflector (2) in space are between 0.7 and 0.9mm.
6. A laser emitting air cooled assembly as set forth in claim 1 wherein: two air inlet channels (6) are arranged on a section, close to one end, of the shell (1), two air outlet channels (7) are arranged on a section, close to the other end, of the shell (1), the two air inlet channels (6) on one end in the shell (1) are symmetrically arranged on two sides of an axis formed by connecting the center of the laser crystal (3) with the center of the flash lamp (4), and the two air outlet channels (7) on the other end in the shell (1) are symmetrically arranged on two sides of the axis formed by connecting the center of the laser crystal (3) with the center of the flash lamp (4).
7. The utility model provides a portable laser blood collector of high-efficient continuation of journey, includes shell (16), its characterized in that: a laser emission air-cooled module comprising any one of claims 1-6, wherein the laser emitter is electrically connected with an energy storage module (10) for storing high-voltage electric energy, the energy storage module (10) is electrically connected with a high-voltage conversion module (11) for converting low-voltage electric energy into high-voltage electric energy, and the high-voltage conversion module (11) is electrically connected with a power module (12) for charging the laser hemostix with low-voltage electric energy.
8. The portable laser blood collection meter of claim 7, wherein: an air outlet (13) is formed in the housing (16) and close to the air outlet channel (7), and an air inlet (14) is formed in the housing (16) and close to the small fan (8).
9. The portable laser blood collection meter of claim 7, wherein: the shell (1) is located in the shell (16), a laser outlet (15) is formed in the shell (16), the outer side wall of the shell (1) is close to the inner side wall of the shell (16), one end of the shell (1) provided with an air outlet channel (7) is arranged towards the laser outlet (15), the air delivery channel (9) is bent towards the inner area of the shell (16) from the air inlet channel (6), and the air outlet end of the small fan (8) is provided with the air delivery channel (9) which is far away from one end of the air inlet channel (6).
CN202210424272.9A 2022-04-22 2022-04-22 Laser emission air cooling assembly and high-efficient portable laser blood sampling instrument who continues to journey Active CN115395350B (en)

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