CN111083897A - Logistics information management device based on Internet of things - Google Patents

Logistics information management device based on Internet of things Download PDF

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Publication number
CN111083897A
CN111083897A CN201911386578.4A CN201911386578A CN111083897A CN 111083897 A CN111083897 A CN 111083897A CN 201911386578 A CN201911386578 A CN 201911386578A CN 111083897 A CN111083897 A CN 111083897A
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CN
China
Prior art keywords
fixedly connected
equipment
box
sides
display screen
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.)
Pending
Application number
CN201911386578.4A
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Chinese (zh)
Inventor
王云娥
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.)
Anhui Rongyi Supply Chain Management Co ltd
Original Assignee
Anhui Rongyi Supply Chain Management 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 Anhui Rongyi Supply Chain Management Co ltd filed Critical Anhui Rongyi Supply Chain Management Co ltd
Priority to CN201911386578.4A priority Critical patent/CN111083897A/en
Publication of CN111083897A publication Critical patent/CN111083897A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • H05K5/0234Feet; Stands; Pedestals, e.g. wheels for moving casing on floor
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses a logistics information management device based on the Internet of things, which comprises an equipment box, an information display screen and an equipment host, wherein the bottom of the information display screen is fixedly connected with a supporting base, a fixed plate is fixedly connected between two sides of the inner cavity of the equipment box, one side of the top of the fixed plate is fixedly connected with a movable box, the bottom of the inner cavity of the movable box is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with a threaded rod through a coupler. This commodity circulation information management device based on thing networking, when not using the display screen, place the display screen in the inside of equipment box to carry out fine protection to the information display screen, when needs use the display screen, can very convenient shift out information display, made things convenient for operating personnel's use, when using, dispel the heat to the equipment host computer, guaranteed the normal use of equipment, when needs maintain the host computer, can very convenient dismantle it.

Description

Logistics information management device based on Internet of things
Technical Field
The invention relates to the technical field of logistics management, in particular to a logistics information management device based on the Internet of things.
Background
The Internet of things is an information carrier such as the Internet, a traditional telecommunication network and the like, all common objects capable of performing independent functions are interconnected and intercommunicated, centralized management and control can be performed on machines, equipment and personnel by using a central computer through the Internet of things, remote control can also be performed on household equipment and automobiles, position searching and article theft prevention and the like, the Internet of things is similar to an automatic control system, meanwhile, data of the facts are collected and finally aggregated into big data, important social changes such as traffic accidents, urban updating, disaster prediction, crime prevention and control, epidemic disease control and the like are reduced by redesigning roads, object and object association is realized, logistics information reflects knowledge, data, images, data and files of various activity contents of logistics, and logistics standardization refers to the fact that logistics is used as a big system, and system internal facilities, mechanical equipment and the like are established, The technical standards of special tools and the like, various operation standards of packaging, storage, loading and unloading, transportation and the like, and logistics information standards serving as outstanding characteristics of modern logistics form a national and international standard system, and the existing logistics information is generally managed by depending on the Internet of things.
Traditional logistics information management device based on thing networking, when not using the display screen, do not place the display screen in the inside of equipment box, thereby do not carry out fine protection to the information display screen, when using, because the data of operation is very huge, the host computer is generally in high-speed operation, thereby generate heat easily, but do not in time dispel the heat to the host computer under general circumstances, do not have the normal use of fine assurance equipment, the life of equipment has been shortened, when needs maintain the host computer, it is inconvenient to dismantle it.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a logistics information management device based on the Internet of things, which solves the problems that the logistics information management device based on the Internet of things does not well protect an information display screen, does not timely dissipate heat of a host and is inconvenient to maintain the host.
In order to achieve the purpose, the invention is realized by the following technical scheme: a logistics information management device based on the Internet of things comprises an equipment box, an information display screen and an equipment host, wherein the bottom of the information display screen is fixedly connected with a supporting base, a fixed plate is fixedly connected between two sides of an inner cavity of the equipment box, one side of the top of the fixed plate is fixedly connected with a movable box, the bottom of the inner cavity of the movable box is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a threaded rod through a coupler, one end, away from the motor, of the threaded rod is rotatably connected with one side of the top of the inner cavity of the movable box through a bearing, fixed rods are fixedly connected with two sides of the inner cavity of the movable box through connecting blocks, a sliding sleeve is slidably connected with the surface of each fixed rod, a threaded sleeve is in threaded connection with the surface of the threaded rod, a, the surface of the threaded sleeve is fixedly connected with a linkage rod, one end, far away from the threaded sleeve, of the linkage rod penetrates through the movable box and extends to the outside of the movable box, and one end, extending to the outside of the movable box, of the linkage rod is fixedly connected with the back of the supporting base.
Preferably, the bottom fixedly connected with of equipment box inner chamber cooperatees with the equipment host computer and uses places the seat, the top of placing the seat contacts with the bottom of equipment host computer, the equal fixedly connected with screw sleeve in bottom of equipment main part both sides, the both sides of placing the seat all run through have with the fixed screw of screw sleeve looks adaptation, the equal fixedly connected with heat dissipation otter board in both sides of equipment host computer.
Preferably, the bottom of the fixing plate is fixedly connected with a bidirectional rotating motor through a connecting block, and two output shafts of the bidirectional rotating motor are fixedly connected with first belt pulleys.
Preferably, the both sides of equipment box inner chamber and the below that is located the fixed plate all are connected with the dwang through the bearing rotation, the one end fixedly connected with heat dissipation flabellum of dwang, the fixed surface of dwang is connected with the second belt pulley, connect through belt transmission between first belt pulley and the second belt pulley, the louvre has all been seted up to the both sides of equipment box.
Preferably, the top of the fixed plate and the two sides of the movable box are fixedly connected with bearing seats matched with the information display screen for use, and the surface of one side of each bearing seat is fixedly connected with a cushion pad.
Preferably, the top of the equipment box is hinged with a first box door through a hinge, the surface of the equipment box is hinged with a second box door through a hinge, and one side of the equipment box is fixedly connected with a control panel.
Advantageous effects
The invention provides a logistics information management device based on the Internet of things. The method has the following beneficial effects:
(1) this commodity circulation information management device based on thing networking, all through connecting block fixedly connected with dead lever in the both sides through the activity incasement chamber, the sliding surface of dead lever is connected with the sliding sleeve, the surperficial threaded connection of threaded rod has the thread bush, the equal fixedly connected with horizontal pole in both sides of thread bush, and the one end of horizontal pole and one side fixed connection of sliding sleeve, the fixed surface of thread bush is connected with the gangbar, the one end that the thread bush was kept away from to the gangbar runs through the activity case and extends to the outside of activity case, the gangbar extends to the outside one end of activity case and the back fixed connection who supports the base, when not using the display screen, place the inside at the equipment box with the display screen, thereby fine protection has been carried out to the information display screen, when needs use the display screen, can very convenient shift out information display, operating personnel's.
(2) This commodity circulation information management device based on thing networking, pass through the two-way rotation motor of connecting block fixedly connected with in bottom through the fixed plate, and the first belt pulley of two equal fixedly connected with of output shaft of two-way rotation motor, the both sides of equipment box inner chamber and the below that is located the fixed plate all are connected with the dwang through the bearing rotation, the one end fixedly connected with heat dissipation flabellum of dwang, the fixed surface of dwang is connected with the second belt pulley, connect through belt drive between first belt pulley and the second belt pulley, the louvre has all been seted up to the both sides of equipment box, when using, fine heat dissipation has been carried out to the equipment host computer, the normal use of equipment has been guaranteed, the service life of equipment.
(3) This logistics information management device based on thing networking, the bottom fixedly connected with through the equipment box inner chamber cooperatees with the equipment host computer and uses places the seat, the top of placing the seat contacts with the bottom of equipment host computer, the equal fixedly connected with screw cover in bottom of equipment main part both sides, the both sides of placing the seat all run through have with the fixed screw of screw cover looks adaptation, the equal fixedly connected with heat dissipation otter board in both sides of equipment host computer, fine fixed has been carried out to the equipment host computer, when needs are maintained the host computer, can be very convenient dismantle it.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the portable case structure of the present invention;
FIG. 3 is a side view of the linkage rod and threaded sleeve arrangement of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 1;
FIG. 6 is an enlarged view of a portion of the invention at C of FIG. 2;
fig. 7 is an external view showing the structure of the equipment box of the present invention.
In the figure: 1-equipment box, 2-information display screen, 3-equipment host, 4-supporting base, 5-fixing plate, 6-movable box, 7-motor, 8-threaded rod, 9-fixing rod, 10-sliding sleeve, 11-threaded sleeve, 12-transverse rod, 13-linkage rod, 14-placing seat, 15-screw sleeve, 16-fixing screw, 17-heat dissipation screen plate, 18-bidirectional rotating motor, 19-first belt pulley, 20-rotating rod, 21-heat dissipation fan blade, 22-second belt pulley, 23-belt, 24-heat dissipation hole, 25-bearing seat, 26-buffer cushion, 27-first box door, 28-second box door and 29-control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a logistics information management device based on the Internet of things comprises an equipment box 1, an information display screen 2 and an equipment host 3, wherein the bottom of the information display screen 2 is fixedly connected with a supporting base 4, a fixed plate 5 is fixedly connected between two sides of an inner cavity of the equipment box 1, one side of the top of the fixed plate 5 is fixedly connected with a movable box 6, the bottom of the inner cavity of the movable box 6 is fixedly connected with a motor 7, the motor 7 is a servo motor, instructions can be set before use to enable the motor 7 to rotate forward and backward according to a preset program, a self-locking mechanism is arranged in the motor 7, namely, when the motor 7 stops operating, the output shaft can be self-locked, the output shaft of the motor 7 is fixedly connected with a threaded rod 8 through a coupler, one end, far away from the motor 7, of the threaded rod 8 is rotatably connected with one side of the top of, the surface of the fixed rod 9 is connected with a sliding sleeve 10 in a sliding way, the surface of the threaded rod 8 is connected with a threaded sleeve 11 in a threaded way, both sides of the threaded sleeve 11 are fixedly connected with a cross rod 12, one end of the cross rod 12 is fixedly connected with one side of the sliding sleeve 10, the surface of the threaded sleeve 11 is fixedly connected with a linkage rod 13, one end of the linkage rod 13, far away from the threaded sleeve 11, penetrates through the movable box 6 and extends to the outside of the movable box 6, one end of the linkage rod 13, extending to the outside of the movable box 6, is fixedly connected with the back of the supporting base 4, the bottom of the inner cavity of the equipment box 1 is fixedly connected with a placing seat 14 matched with the equipment main machine 3 for use, the top of the placing seat 14 is contacted with the bottom of the equipment main machine 3, the bottoms of both sides of the equipment main machine 3 are fixedly connected with screw sleeves 15, both sides of the placing, the bottom of the fixed plate 5 is fixedly connected with a bidirectional rotating motor 18 through a connecting block, two output shafts of the bidirectional rotating motor 18 have the same rotating speed and the same steering direction, two output shafts of the bidirectional rotating motor 18 are both fixedly connected with a first belt pulley 19, two sides of an inner cavity of the equipment box 1 and below the fixed plate 5 are both rotatably connected with a rotating rod 20 through bearings, one end of the rotating rod 20 is fixedly connected with a radiating fan blade 21, the surface of the rotating rod 20 is fixedly connected with a second belt pulley 22, the first belt pulley 19 and the second belt pulley 22 are in transmission connection through a belt 23, two sides of the equipment box 1 are both provided with radiating holes 24, two sides of the top of the fixed plate 5 and positioned on the movable box 6 are both fixedly connected with a bearing seat 25 matched with the information display screen 2 for use, a cushion 26 is fixedly connected with the surface of one, the top of the equipment box 1 is hinged with a first box door 27 through a hinge, the surface of the equipment box 1 is hinged with a second box door 28 through a hinge, and one side of the equipment box 1 is fixedly connected with a control panel 29.
When the device is used, if an operator needs to use the information display screen 2, the motor 7 can be started, the output shaft of the motor 7 can drive the threaded rod 8 to rotate, so that the threaded rod 8 can drive the threaded sleeve 11 to move upwards through the mutual matching of the fixed rod 9 and the cross rod 12, the threaded sleeve 11 can drive the linkage rod 13 to move upwards, the linkage rod 13 can drive the information display screen 2 to move upwards through the supporting base 4, after the information display screen moves to a proper position, the operator can close the motor 7, when the device is used, the operator can start the bidirectional rotating motor 18, two output shafts of the bidirectional rotating motor 18 can drive two first belt pulleys 19 to rotate, the first belt pulley 19 can drive a second belt pulley 22 to rotate through a belt 23, so as to drive the heat dissipation fan blade 21 to rotate, and further dissipate heat of the device host 3, when the main unit 3 needs to be maintained, the operator can rotate the fixing screw 16 to detach the main unit 3, so as to maintain the main unit 3.
To sum up the above
The logistics information management device based on the Internet of things is characterized in that fixed rods 9 are fixedly connected to two sides of an inner cavity of a movable box 6 through connecting blocks, a sliding sleeve 10 is connected to the surface of each fixed rod 9 in a sliding mode, a threaded sleeve 11 is connected to the surface of a threaded rod 8 in a threaded mode, a cross rod 12 is fixedly connected to two sides of the threaded sleeve 11, one end of the cross rod 12 is fixedly connected with one side of the sliding sleeve 10, a linkage rod 13 is fixedly connected to the surface of the threaded sleeve 11, one end, far away from the threaded sleeve 11, of the linkage rod 13 penetrates through the movable box 6 and extends to the outside of the movable box 6, one end, extending to the outside of the movable box 6, of the linkage rod 13 is fixedly connected with the back of a supporting base 4, when a display screen is not used, the display screen is placed inside an equipment box, so that the information display screen is well protected, when the display screen is, the bottom of the fixed plate 5 is fixedly connected with a bidirectional rotating motor 18 through a connecting block, two output shafts of the bidirectional rotating motor 18 are both fixedly connected with a first belt pulley 19, two sides of the inner cavity of the equipment box 1 and below the fixed plate 5 are both rotatably connected with a rotating rod 20 through a bearing, one end of the rotating rod 20 is fixedly connected with a radiating fan blade 21, the surface of the rotating rod 20 is fixedly connected with a second belt pulley 22, the first belt pulley 19 and the second belt pulley 22 are in transmission connection through a belt 23, two sides of the equipment box 1 are both provided with radiating holes 24, when in use, the equipment host is well radiated, the normal use of the equipment is ensured, the service life of the equipment is prolonged, the bottom of the inner cavity of the equipment box 1 is fixedly connected with a placing seat 14 matched with the equipment host 3 for use, and the top of the placing seat 14 is contacted with the, the equal fixedly connected with screw sleeve 15 in bottom of 3 both sides of equipment main part, the both sides of placing seat 14 all run through have with the fixed screw 16 of 15 looks adaptations of screw sleeve, the equal fixedly connected with heat dissipation otter board 17 in both sides of equipment host 3 has carried out fine fixed to the equipment host, when needs are maintained the host computer, can be very convenient dismantle it.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a commodity circulation information management device based on thing networking, includes equipment box (1), information display screen (2) and equipment host computer (3), the bottom fixedly connected with of information display screen (2) supports base (4), its characterized in that: the device comprises an equipment box (1), a fixed plate (5) is fixedly connected between two sides of an inner cavity of the equipment box (1), a movable box (6) is fixedly connected to one side of the top of the fixed plate (5), a motor (7) is fixedly connected to the bottom of the inner cavity of the movable box (6), an output shaft of the motor (7) is fixedly connected with a threaded rod (8) through a shaft coupling, one end, far away from the motor (7), of the threaded rod (8) is rotatably connected with one side of the top of the inner cavity of the movable box (6) through a bearing, fixed rods (9) are fixedly connected to two sides of the inner cavity of the movable box (6) through connecting blocks, a sliding sleeve (10) is connected to the surface of each fixed rod (9) in a sliding manner, a threaded sleeve (11) is connected to the surface of each threaded rod (8) in a threaded manner, a cross, the surface fixed connection of thread bush (11) has gangbar (13), the one end that thread bush (11) was kept away from in gangbar (13) runs through movable box (6) and extends to the outside of movable box (6), gangbar (13) extend to the outside one end of movable box (6) and the back fixed connection of support base (4).
2. The logistics information management device based on the internet of things as claimed in claim 1, wherein: the bottom fixedly connected with of equipment box (1) inner chamber cooperatees with equipment host (3) and uses places seat (14), the top of placing seat (14) and the bottom contact of equipment host (3), the equal fixedly connected with of bottom of equipment host (3) both sides screw sleeve (15), the both sides of placing seat (14) all run through have with screw sleeve (15) looks adaptation fixed screw (16), the equal fixedly connected with heat dissipation otter board (17) in both sides of equipment host (3).
3. The logistics information management device based on the internet of things as claimed in claim 1, wherein: the bottom of fixed plate (5) is through connecting block fixedly connected with two-way rotation motor (18) to two output shafts of two-way rotation motor (18) are first belt pulley (19) of equal fixedly connected with.
4. The logistics information management device based on the internet of things as claimed in claim 3, wherein: equipment box (1) inner chamber's both sides and the below that is located fixed plate (5) all are connected with dwang (20) through the bearing rotation, the one end fixedly connected with heat dissipation flabellum (21) of dwang (20), the fixed surface of dwang (20) is connected with second belt pulley (22), connect through belt (23) transmission between first belt pulley (19) and second belt pulley (22), louvre (24) have all been seted up to the both sides of equipment box (1).
5. The logistics information management device based on the internet of things as claimed in claim 1, wherein: the top of fixed plate (5) just is located the equal fixedly connected with in both sides of activity case (6) and cooperates bearing seat (25) of using with information display screen (2), the fixed surface on one side of bearing seat (25) is connected with blotter (26).
6. The logistics information management device based on the internet of things as claimed in claim 1, wherein: the top of the equipment box (1) is hinged with a first box door (27) through a hinge, the surface of the equipment box (1) is hinged with a second box door (28) through a hinge, and a control panel (29) is fixedly connected to one side of the equipment box (1).
CN201911386578.4A 2019-12-29 2019-12-29 Logistics information management device based on Internet of things Pending CN111083897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911386578.4A CN111083897A (en) 2019-12-29 2019-12-29 Logistics information management device based on Internet of things

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911386578.4A CN111083897A (en) 2019-12-29 2019-12-29 Logistics information management device based on Internet of things

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CN111083897A true CN111083897A (en) 2020-04-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113158267A (en) * 2021-05-20 2021-07-23 广西医科大学 Medical information management statistical system and equipment based on cloud platform
CN113973454A (en) * 2021-10-08 2022-01-25 深圳市奥金瑞科技有限公司 Background processing terminal based on intelligent control platform of Internet of things
CN114501888A (en) * 2022-02-11 2022-05-13 浙江数衍数据科技有限公司 Frequency-range computer control equipment

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CN207729954U (en) * 2017-12-12 2018-08-14 开平市汉邦木业有限公司 Live wood flash baking equipment
CN207779559U (en) * 2018-01-16 2018-08-28 广州市超盛医疗器械有限公司 A kind of mounting electricity storage pack with alarm function
CN207799599U (en) * 2018-02-06 2018-08-31 徐技峰 A kind of Internet of Things heat radiation device for computer case
CN109637357A (en) * 2019-01-08 2019-04-16 莱芜职业技术学院 One kind is convenient for cleaning and the good electronic information of protection effect shows equipment
CN209133090U (en) * 2018-11-28 2019-07-19 四川传媒学院 A kind of digital product intelligence presentation device based on virtual reality

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Publication number Priority date Publication date Assignee Title
CN107911967A (en) * 2017-11-13 2018-04-13 梁兆寇 Installation equipment of externally-hung display screen
CN207729954U (en) * 2017-12-12 2018-08-14 开平市汉邦木业有限公司 Live wood flash baking equipment
CN207779559U (en) * 2018-01-16 2018-08-28 广州市超盛医疗器械有限公司 A kind of mounting electricity storage pack with alarm function
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113158267A (en) * 2021-05-20 2021-07-23 广西医科大学 Medical information management statistical system and equipment based on cloud platform
CN113158267B (en) * 2021-05-20 2022-09-06 广西医科大学 Medical information management statistical system and equipment based on cloud platform
CN113973454A (en) * 2021-10-08 2022-01-25 深圳市奥金瑞科技有限公司 Background processing terminal based on intelligent control platform of Internet of things
CN114501888A (en) * 2022-02-11 2022-05-13 浙江数衍数据科技有限公司 Frequency-range computer control equipment
CN114501888B (en) * 2022-02-11 2023-11-24 深圳智锐通科技有限公司 Frequency-band computer control equipment

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