CN108171197A - A kind of personnel identity discriminating gear - Google Patents

A kind of personnel identity discriminating gear Download PDF

Info

Publication number
CN108171197A
CN108171197A CN201810019146.9A CN201810019146A CN108171197A CN 108171197 A CN108171197 A CN 108171197A CN 201810019146 A CN201810019146 A CN 201810019146A CN 108171197 A CN108171197 A CN 108171197A
Authority
CN
China
Prior art keywords
fingerprint
block
shaft
heating module
personnel identity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810019146.9A
Other languages
Chinese (zh)
Inventor
梁靖明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Optic Information Technology Co Ltd
Original Assignee
Chengdu Optic Information Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Optic Information Technology Co Ltd filed Critical Chengdu Optic Information Technology Co Ltd
Priority to CN201810019146.9A priority Critical patent/CN108171197A/en
Publication of CN108171197A publication Critical patent/CN108171197A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12Fingerprints or palmprints
    • G06V40/13Sensors therefor
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/30Individual registration on entry or exit not involving the use of a pass
    • G07C9/32Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/37Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Image Input (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

The invention discloses a kind of personnel identity discriminating gears, including fingerprint machine ontology, the preparation block being set on fingerprint machine ontology is further included, the preparation block includes wetting pad and heating module, and the heating module is embedded in wetting pad or wetting pad is pasted on the outer surface of heating module;The heating module includes metal shroud, heating wire and insulated isolating frame, and heating wire and insulated isolating frame are mounted on the inside of metal shroud, and insulated isolating frame is as the intermediate connector between heating wire and metal shroud inner wall.The structure design of this entrance guard device causes it that higher personnel still can be kept to recognize speed in winter.

Description

A kind of personnel identity discriminating gear
Technical field
The present invention relates to biometric devices field, more particularly to a kind of personnel identity discriminating gear.
Background technology
With the development of economy and society, fingerprint machine device is widely used in library, office building, resident living area, work The occasions such as plant area of factory, to be efficiently completed such as gate inhibition's identification, attendance record function.
The fingerprint machine for being used to implement attendance record generally has the characteristics that utilization rate is high in upper and lower class's time.Refer to improve The recognition efficiency of line machine, in the prior art, by designing, highly efficient fingerprint compares algorithm to those skilled in the art, design is read Installation form of the modulus block in fingerprint slot, design barn door etc. achieve the purpose that improve fingerprint machine recognition speed.How into One step improves the recognition speed of fingerprint machine, is the major issue in fingerprint machine R&D process.
Invention content
It is important in fingerprint machine R&D process for the recognition speed for how further improving fingerprint machine set forth above The problem of problem, the present invention provides a kind of personnel identity discriminating gears.The structure design of this entrance guard device causes it in winter Still higher personnel can be kept to recognize speed.
In view of the above-mentioned problems, a kind of personnel identity discriminating gear provided by the invention solves to ask by following technical essential Topic:A kind of personnel identity discriminating gear including fingerprint machine ontology, further includes the preparation block being set on fingerprint machine ontology, institute It states preparation block and includes wetting pad and heating module, the heating module is embedded in wetting pad or wetting pad is pasted on heated mould On the outer surface of block;
The heating module includes metal shroud, heating wire and insulated isolating frame, and heating wire and insulated isolating frame are respectively mounted In the inside of metal shroud, and insulated isolating frame is as the intermediate connector between heating wire and metal shroud inner wall.
In the prior art, due to weather, when particularly it is cold, the finger sweat pores being exposed in air are received Contracting, finger skin drying, for fingerprint machine when carrying out fingerprint recognition, fingerprint reads the reading face of block on the surface of finger and fingerprint machine Plate surface is insufficient contact, and recognition effect is poor.For overcome described problem, people can be by blowing to finger after, treat finger watch After aqueous vapor is agglomerated to supplement the moisture of dry skin in face, then carry out fingerprint and read to obtain better recognition effect.More than however There is the unhygienic and so that several seconds needed for skin diastole expansion in the means for improving fingerprint recognition effect.
Water absorption pad can be used in this programme, the wetting pad, and more than heating module is used to heat wetting pad, in winter It, can be by first pressing the wetting pad for being heated and being soaked, in finger before touching fingerprint and reading block during the finger drying of human body After upper fingerprint diastole expansion, accurate fingerprint recognition result can be obtained;Simultaneously in the present solution, due to wetting pad by advance wetting and Heating, finger are in direct contact with wetting pad and are in direct contact moisture, and by the way of being condensed using air blowing, this programme may be such that Finger skin is unfolded faster, achievees the purpose that improve fingerprint recognition speed;This programme is compared to existing wetting finger of blowing simultaneously Scheme it is more hygienic:Finger can not only be avoided to touch oral cavity;It can avoid passing through simultaneously and touch fingerprint reading block and oral cavity occurs Germ cross-infection;Simultaneously in the working clearance of the present apparatus, wetting pad can be heated at high temperature to clean by heating module Wetting pad.
Meanwhile the structure design of heating module causes it can heat production under electric energy in this programme so that this programme has The characteristics of easy for installation, simple in structure, light-weight;Meanwhile the structure design of heating module can utilize the metal that material is metal The characteristics of shroud heat transfer is fast realizes the quick heating to wetting pad;What metal shroud was connected with heating wire by insulated isolating frame Structure design can effectively avoid the electric leakage risk that metal shroud is in direct contact and brings with heating wire.
Preferably, consider for health and wettability, wetting pad is consumptive material, is preferably arranged to wetting pad and passes through velcro The outside of metal shroud is pasted on, in this way, to facilitate the replacement to soaking pad in preparation block.
Further technical solution is:
It further including fingerprint and reads block and shaft, the fingerprint reads block and is connected by shaft with the housing of fingerprint machine ontology, And fingerprint reads block and can be rotated by axis of shaft, further includes resetting apparatus, the resetting apparatus is used to read block to fingerprint The initial position of rotation is resetted.In the present solution, being set as further including, fingerprint reads block and shaft, more than shaft may be configured as Block is read with fingerprint to be fixedly connected, on the housing setting and the hole of shaft clearance fit;Also shaft and housing be may be configured as It is fixedly connected, the forms such as setting and the hole of shaft clearance fit on block is read in fingerprint.Being set as fingerprint reading block can be with shaft It is moved for shaft rotation, when reading block identification fingerprint using the fingerprint, fingerprint is read can be by around the shaft after block bears finger pressing The form of rotation rapidly with finger surface is greater area of is bonded, reach increase fingerprint and read identification face and finger contact surface on block Long-pending purpose, relative to it is existing when reading fingerprint by adjusting the mode of pressing mode, fingerprint reads block, and rotate around the axis can It responds rapidly to;Meanwhile the resetting apparatus is set, complete single read after, fingerprint read block can turn to fixed position with Receive next time pressing, reach so that identified person can be used it is same pressing be accustomed to, pressing operation is rapidly completed.Therefore this programme is reachable To the purpose for improving fingerprint recognition speed.
As the specific implementation of the resetting apparatus, the resetting apparatus be spiral compression spring, the fingerprint machine The inside of ontology is additionally provided with supporting block, and the supporting block is located at the rear side that fingerprint reads block, the spiral compression spring setting It is read between the back side and the supporting block of block in fingerprint, and one end of spiral compression spring reads the back side effect of block with fingerprint, separately One end is acted on supporting block.
As the specific implementation of the resetting apparatus, the resetting apparatus be torsion spring, the torsion spring set In shaft, and one end of torsion spring and the housing of fingerprint machine ontology are fixed, and the other end reads block with fingerprint or shaft is consolidated It is fixed.
To cause fingerprint reads block both sides to suffer restraints, the fingerprint reads block and is located between the both ends of shaft, shaft Housing of the both ends with fingerprint machine ontology be connected.
For the present apparatus is enabled to show the information such as fingerprint recognition situation, other notices, further include and be set to fingerprint machine sheet Display screen on body.
To cause wetting pad that can be heated to specific temperature, such as it is heated to 40 DEG C and unfolds speed to 50 DEG C to improve fingerprint Degree, further includes temperature sensor and temperature control module, and the temperature sensor soaks the temperature of pad, heating module and temperature for detecting Degree sensor is electrically connected with temperature control module, temperature signal input temperature control module, the temperature control module root obtained by temperature sensor According to the working condition of temperature signal control heating module obtained.In the present solution, the temperature control module is according to specific wetting The working condition of pad temperature value control heating module is, it can be achieved that temperature automatic control is touched with high temperature scald wetting pad is avoided the occurrence of Person.
The invention has the advantages that:
Water absorption pad can be used in this programme, the wetting pad, and more than heating module is used to heat wetting pad, in winter It, can be by first pressing the wetting pad for being heated and being soaked, in finger before touching fingerprint and reading block during the finger drying of human body After upper fingerprint diastole expansion, accurate fingerprint recognition result can be obtained;Simultaneously in the present solution, due to wetting pad by advance wetting and Heating, finger are in direct contact with wetting pad and are in direct contact moisture, and by the way of being condensed using air blowing, this programme may be such that Finger skin is unfolded faster, achievees the purpose that improve fingerprint recognition speed;This programme is compared to existing wetting finger of blowing simultaneously Scheme it is more hygienic:Finger can not only be avoided to touch oral cavity;It can avoid passing through simultaneously and touch fingerprint reading block and oral cavity occurs Germ cross-infection;Simultaneously in the working clearance of the present apparatus, wetting pad can be heated at high temperature to clean by heating module Wetting pad.
The structure design of heating module causes it can heat production under electric energy in this programme so that this programme has installation side Just the characteristics of, simple in structure, light-weight;Meanwhile the structure design of heating module can utilize material to be passed for the metal shroud of metal The characteristics of heat is fast realizes the quick heating to wetting pad;Metal shroud is set with heating wire by the structure that insulated isolating frame is connected Meter can effectively avoid the electric leakage risk that metal shroud is in direct contact and brings with heating wire.
Description of the drawings
Fig. 1 is a kind of structure diagram of one specific embodiment of personnel identity discriminating gear of the present invention;Fig. 2 is In one specific embodiment of a kind of personnel identity discriminating gear of the present invention, fingerprint reads block and the connection relation of shaft is shown It is intended to;
Fig. 3 is the side view of preparation block in a kind of one specific embodiment of personnel identity discriminating gear of the present invention Figure.
Respectively label is respectively in figure:1st, fingerprint machine ontology, 2, fingerprint read block, 3, preparation block, 31, wetting pad, 32 plus Thermal modules, 33, heating wire, 34, insulated isolating frame, 35, metal shroud, 4, barn door, 5, display screen, 6, shaft.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but the present invention structure be not limited only to it is following Embodiment.
Embodiment 1:
As shown in Figure 1 to Figure 3, a kind of personnel identity discriminating gear, including fingerprint machine ontology 1, further includes and is set to fingerprint Preparation block 3 on machine ontology 1, the preparation block 3 include wetting pad 31 and heating module 32, and the heating module 32 is embedded It is pasted on the outer surface of heating module 32 in soaking in pad 31 or soaking pad 31;
The heating module 32 include metal shroud 35, heating wire 33 and insulated isolating frame 34, heating wire 33 and insulation every From the inside that frame 34 is mounted on metal shroud 35, and insulated isolating frame 34 is as between 35 inner wall of heating wire 33 and metal shroud Intermediate connector.
In the prior art, due to weather, when particularly it is cold, the finger sweat pores being exposed in air are received Contracting, finger skin drying, for fingerprint machine when carrying out fingerprint recognition, fingerprint reads the reading of block 2 on the surface of finger and fingerprint machine Panel surface is insufficient contact, and recognition effect is poor.For overcome described problem, people can be by blowing to finger after, treat finger After surface aggregation aqueous vapor is to supplement the moisture of dry skin, then carries out fingerprint and read to obtain better recognition effect.However with There is the unhygienic and so that several seconds needed for skin diastole expansion in the upper means for improving fingerprint recognition effect.
Water absorption pad can be used in this programme, the wetting pad 31, and more than heating module 32 is used to heat wetting pad 31, It, can be by first pressing the wetting pad for being heated and being soaked before touching fingerprint and reading block in winter during the finger drying of human body 31, on finger after fingerprint diastole expansion, accurate fingerprint recognition result can be obtained;Simultaneously in the present solution, due to soaking pad 31 It is soaked and is heated in advance, finger is in direct contact with wetting pad 31 and is in direct contact moisture, compared to the side using condensation of blowing Formula, this programme may be such that finger skin is unfolded faster, achieve the purpose that improve fingerprint recognition speed;This programme is compared to existing simultaneously The scheme for having wetting finger of blowing is more hygienic:Finger can not only be avoided to touch oral cavity;It can avoid passing through simultaneously and touch fingerprint reading It takes block and oral cavity germ cross-infection occurs;It, can be by heating module 32 to soaking pad 31 simultaneously in the working clearance of the present apparatus It is heated at high temperature and soaks pad 31 to clean.
Meanwhile the structure design of heating module 32 causes it can heat production under electric energy in this programme so that this programme has There is the characteristics of easy for installation, simple in structure, light-weight;Meanwhile the structure design of heating module 32 can utilize material as metal Metal shroud 35 conducts heat the characteristics of fast, realizes the quick heating to soaking pad 31;Metal shroud 35 passes through insulation with heating wire 33 The connected structure design of isolating frame 34 can effectively avoid the electric leakage wind that metal shroud 35 is in direct contact and brings with heating wire 33 Danger.
In the present embodiment, consider for health and wettability, wetting pad 31 is consumptive material, and it is logical to be preferably arranged to wetting pad 31 The outside that velcro is pasted on metal shroud 35 is crossed, in this way, to facilitate the replacement to soaking pad 31 in preparation block.
In the present embodiment, for extraneous illumination effect fingerprint is avoided to read the sensitivity of block 2, in the housing of fingerprint machine ontology 1 On be additionally provided with barn door 4, barn door 4 surrounds a slot that there is finger to stretch into hole, the fingerprint read block 2 be installed on it is described In slot.In the present embodiment, read the adjacent preparation block 3 of block 2 with fingerprint and may be provided in fingerprint reading 2 arranged on left and right sides of block Arbitrary side.
Embodiment 2:
The present embodiment is further improved on the basis of embodiment 1, as shown in Figure 1 to Figure 3, is further included fingerprint and is read block 2 and shaft 6, the fingerprint reads block 2 and is connected by shaft 6 with the housing of fingerprint machine ontology 1, and fingerprint reading block 2 can turn Axis 6 is rotated for axis, further includes resetting apparatus, the resetting apparatus be used to reading fingerprint initial position that block 2 rotates into Row resets.In the present solution, being set as further including fingerprint reading block 2 and shaft 6, more than shaft 6 may be configured as and fingerprint reads block 2 It is fixedly connected, on the housing setting and the hole of 6 clearance fit of shaft;Also shaft 6 is may be configured as to be fixedly connected with the casing, Fingerprint reads the forms such as setting and the hole of 6 clearance fit of shaft on block 2.Being set as fingerprint reading block 2 can be with shaft 6 for shaft rotation Dynamic, when reading the identification fingerprint of block 2 using the fingerprint, fingerprint is read can be by around the shaft 6 rotations after block 2 bears finger pressing Form rapidly with finger surface is greater area of is bonded, reach increase fingerprint and read identification face and finger contact area on block 2 Purpose, relative to it is existing when reading fingerprint by adjusting pressing mode mode, fingerprint read block 2 around the shaft 6 rotation can It responds rapidly to;Meanwhile the resetting apparatus is set, complete single read after, fingerprint read block 2 can turn to fixed position with Receive next time pressing, reach so that identified person can be used it is same pressing be accustomed to, pressing operation is rapidly completed.Therefore this programme is reachable To the purpose for improving fingerprint recognition speed.
As the specific implementation of the resetting apparatus, the resetting apparatus be spiral compression spring, the fingerprint machine The inside of ontology 1 is additionally provided with supporting block, and the supporting block is located at the rear side that fingerprint reads block 2, and the spiral compression spring is set It is placed in fingerprint to read between the back side and the supporting block of block 2, and one end of spiral compression spring reads the back side work of block 2 with fingerprint With the other end is acted on supporting block.
As the specific implementation of the resetting apparatus, the resetting apparatus be torsion spring, the torsion spring set In shaft 6, and one end of torsion spring and the housing of fingerprint machine ontology 1 are fixed, and the other end reads block 2 or shaft with fingerprint 6 fix.
To cause fingerprint reads 2 both sides of block to suffer restraints, the fingerprint reads block 2 and is located between the both ends of shaft 6, turns Housing of the both ends of axis 6 with fingerprint machine ontology 1 is connected.
For the present apparatus is enabled to show the information such as fingerprint recognition situation, other notices, further include and be set to fingerprint machine sheet Display screen 5 on body 1.
To cause wetting pad that can be heated to specific temperature, such as it is heated to 40 DEG C and unfolds speed to 50 DEG C to improve fingerprint Degree, further includes temperature sensor and temperature control module, and the temperature sensor soaks the temperature of pad 31, heating module 32 for detecting It is electrically connected with temperature sensor with temperature control module, temperature signal input temperature control module, the temperature control mould obtained by temperature sensor Root tuber is according to the working condition of temperature signal control heating module 32 obtained.In the present solution, the temperature control module is according to specific Wetting pad temperature value control heating module working condition, it can be achieved that temperature automatic control and avoid the occurrence of high temperature scald wetting Pad toucher.
The above content is combine specific preferred embodiment to the further description of the invention made, it is impossible to assert this The specific embodiment of invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, The other embodiment obtained in the case where not departing from technical scheme of the present invention, should be included within the scope of the present invention.

Claims (7)

1. a kind of personnel identity discriminating gear, including fingerprint machine ontology (1), which is characterized in that further include and be set to fingerprint machine sheet Preparation block (3) on body (1), the preparation block (3) include wetting pad (31) and heating module (32), the heating module (32) it is embedded in wetting pad (31) or wetting pad (31) is pasted on the outer surface of heating module (32);
The heating module (32) includes metal shroud (35), heating wire (33) and insulated isolating frame (34), heating wire (33) and Insulated isolating frame (34) is mounted on the inside of metal shroud (35), and insulated isolating frame (34) is as heating wire (33) and metal Intermediate connector between shroud (35) inner wall.
2. a kind of personnel identity discriminating gear according to claim 1, which is characterized in that further include fingerprint and read block (2) And shaft (6), the fingerprint reads block (2) and is connected by shaft (6) with the housing of fingerprint machine ontology (1), and fingerprint reads block (2) it can be rotated with shaft (6) for axis, further include resetting apparatus, the resetting apparatus is used to read fingerprint block (2) rotation Initial position resetted.
3. a kind of personnel identity discriminating gear according to claim 2, which is characterized in that the resetting apparatus is spiral pressure Contracting spring, the inside of the fingerprint machine ontology (1) is additionally provided with supporting block, after the supporting block is located at fingerprint reading block (2) Side, the spiral compression spring is set to fingerprint and reads between the back side and the supporting block of block (2), and one end of spiral compression spring The back side that block (2) is read with fingerprint acts on, and the other end is acted on supporting block.
4. a kind of personnel identity discriminating gear according to claim 2, which is characterized in that the resetting apparatus is torque bullet Spring, the torsion spring are sheathed in shaft, and one end of torsion spring and the housing of fingerprint machine ontology (1) are fixed, the other end Block (2) is read with fingerprint or shaft (6) is fixed.
5. a kind of personnel identity discriminating gear according to claim 2, which is characterized in that the fingerprint reads block (2) position Between the both ends of shaft (6), the housing of the both ends of shaft (6) with fingerprint machine ontology (1) is connected.
6. according to a kind of personnel identity discriminating gear any one of in claim 1 to 5, which is characterized in that further include The display screen (5) being set on fingerprint machine ontology (1).
7. according to a kind of personnel identity discriminating gear any one of in claim 1 to 5, which is characterized in that further include Temperature sensor and temperature control module, the temperature sensor soak the temperature of pad (31), heating module (32) and temperature for detecting Degree sensor is electrically connected with temperature control module, temperature signal input temperature control module, the temperature control module root obtained by temperature sensor According to the working condition of temperature signal control heating module (32) obtained.
CN201810019146.9A 2018-01-09 2018-01-09 A kind of personnel identity discriminating gear Withdrawn CN108171197A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810019146.9A CN108171197A (en) 2018-01-09 2018-01-09 A kind of personnel identity discriminating gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810019146.9A CN108171197A (en) 2018-01-09 2018-01-09 A kind of personnel identity discriminating gear

Publications (1)

Publication Number Publication Date
CN108171197A true CN108171197A (en) 2018-06-15

Family

ID=62517885

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810019146.9A Withdrawn CN108171197A (en) 2018-01-09 2018-01-09 A kind of personnel identity discriminating gear

Country Status (1)

Country Link
CN (1) CN108171197A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109736650A (en) * 2019-01-14 2019-05-10 张家林 A kind of safe coded lock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109736650A (en) * 2019-01-14 2019-05-10 张家林 A kind of safe coded lock

Similar Documents

Publication Publication Date Title
CN108197578A (en) A kind of identification device
CN207728130U (en) A kind of Fingerprint Lock for conveniently taking fingerprint
CN108076274A (en) A kind of video camera anti-ice-snow deposition or defogging method and a kind of video camera
CN108171197A (en) A kind of personnel identity discriminating gear
CN206176884U (en) Make a video recording module and intelligent refrigerator
CN105146814A (en) Intelligent glove
CN207882998U (en) A kind of entrance guard device
CN108229405A (en) A kind of information extracting device
CN208027372U (en) A kind of identity recognition device
CN209508673U (en) The control assembly of wireless presses
CN207611401U (en) A kind of biological characteristic extraction element
CN205383782U (en) Install hot -air blower's water heater
CN207542947U (en) A kind of pump motor energy-saving cooling system
CN201008412Y (en) Infrared faradic electric air blower
CN203829198U (en) Novel drying nursing machine
CN207611403U (en) A kind of pretreatment unit for fingerprint machine
CN108257239A (en) A kind of biological characteristic processing unit
CN209518976U (en) A kind of warm foot machine of automatic sensing
CN107992862A (en) A kind of fingerprint machine
CN206931092U (en) A kind of fingerprint identification device
CN202441136U (en) Biology living body fingerprint control door lock
CN205373021U (en) Intelligence hand dryer
CN211400570U (en) Thermoplastic film constant-temperature dry oven
CN206970959U (en) A kind of socks hair dryer
CN2229464Y (en) Condensed water outlet rotary-drum drier

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180615