CN111021665B - Anti-static movable floor capable of alarming - Google Patents

Anti-static movable floor capable of alarming Download PDF

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Publication number
CN111021665B
CN111021665B CN201910978452.XA CN201910978452A CN111021665B CN 111021665 B CN111021665 B CN 111021665B CN 201910978452 A CN201910978452 A CN 201910978452A CN 111021665 B CN111021665 B CN 111021665B
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China
Prior art keywords
static
plate
alarm
magnetic
static plate
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CN201910978452.XA
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Chinese (zh)
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CN111021665A (en
Inventor
汤东升
钟伟东
陈豪
徐杰
孙一凡
赵董飞
李靖宇
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Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Jiaxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Priority to CN201910978452.XA priority Critical patent/CN111021665B/en
Publication of CN111021665A publication Critical patent/CN111021665A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/024Sectional false floors, e.g. computer floors
    • E04F15/02447Supporting structures
    • E04F15/02464Height adjustable elements for supporting the panels or a panel-supporting framework
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/18Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/181Insulating layers integrally formed with the flooring or the flooring elements
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms

Abstract

The invention discloses an anti-static movable floor capable of alarming, which belongs to the field of building materials and comprises an anti-static plate, wherein the lower side surface of the anti-static plate is grounded, an electrostatic alarming component capable of alarming when the potential difference between the upper side surface and the lower side surface of the anti-static plate is overlarge is arranged in the anti-static plate, when a human body rubs with air or a floor, electrostatic charges are generated on the upper side surface of the anti-static plate, and when the generated electrostatic charges are large in a short time, the electrostatic alarming component can alarm.

Description

Anti-static movable floor capable of alarming
Technical Field
The invention relates to a building material, in particular to an anti-static movable floor capable of giving an alarm.
Background
When people walk in a computer room, static electricity is generated due to friction between the people and air, a floor and the like, and problems caused by the static electricity are difficult to find out by hardware personnel and can also be mistaken by software personnel as software faults sometimes, so that the work is disordered; in addition, when static electricity discharges to a computer or other equipment through a human body, when energy reaches a certain degree, the feeling of electric shock is also given to people; when the generated electrostatic charge is large, a spark may even be generated, causing a fire.
Prevent static floor through the floor material that can electrically conduct, with the leading-in underground of the static electric charge that produces in the computer lab to protect the computer lab, however, when the static electric charge that produces in the computer lab in the short time is more, for example someone walks about in the computer lab fast wearing the great sports shoes of frictional force, prevent that static floor can not be with the static electric charge who produces leading-in underground completely, and the condition that static produced in the computer lab can't audio-visual observation to the administrator of computer lab, lead to producing the influence to the work of computer lab, cause the potential safety hazard even.
For example, the "anti-static raised floor" disclosed in the chinese patent document, whose publication number is CN201620429056.3, includes an upper steel plate, a lower steel plate and a filler, which has the disadvantages that when the static charge generated in a short time is large, the anti-static floor cannot completely guide the static charge into the ground, and a manager of a machine room cannot visually observe the static charge generated in the machine room, which may affect the operation of the machine room and even cause a safety hazard.
Disclosure of Invention
The invention provides an anti-static movable floor capable of alarming, which aims to overcome the defects that in the prior art, when more static charges are generated in a short time, an anti-static floor cannot completely guide the static charges into the ground, and a manager of a machine room cannot visually observe the condition of the static charges generated in the machine room, so that the work of the machine room is influenced, and even potential safety hazards are caused.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to an anti-static movable floor capable of alarming, which comprises an anti-static plate, wherein the lower side surface of the anti-static plate is grounded, an electrostatic alarming assembly capable of alarming when the potential difference between the upper side surface and the lower side surface of the anti-static plate is overlarge is arranged in the anti-static plate, the electrostatic alarming assembly comprises an alarming element and an alarming switch for controlling the alarming of the alarming element, the alarming switch comprises an inductance coil capable of generating an induction magnetic field when current flows, one end of the inductance coil is connected with the upper part of the anti-static plate, the other end of the inductance coil is connected with the lower part of the anti-static plate, one side of the inductance coil is provided with a magnetic small ball capable of moving under the magnetic force in the induction magnetic field, and the opening and closing of the alarming switch are determined by the.
When a human body rubs with air or a floor, electrostatic charges are generated on the upper side face of the anti-static plate, and because the lower side face of the anti-static plate is grounded, a potential difference is formed between the upper portion and the lower portion of the anti-static plate, so that current is generated in an inductance coil connecting the upper portion and the lower portion of the anti-static plate, and the current in the inductance coil can generate an induction magnetic field, the direction of the induction magnetic field is the axial direction of the inductance coil, the magnetic small ball moves after receiving magnetic force brought by the induction magnetic field, and when the electrostatic charges generated on the anti-static plate in a short time are large, the alarm switch can be turned on after the magnetic small ball moves to a certain position, so that alarm is; when human and floor or air friction produced static electric charge, the time often is shorter, and because inductance coils's characteristic, after the process of rubbing stops, the electric current in inductance coils reduces, and the induction magnetic field that produces also can diminish, and the magnetic line of force of induction magnetic field cuts the coil, can produce an induced current, makes in a period after the friction stops, the magnetism bobble still can receive magnetic force, prevents that the magnetism bobble from can't moving to the position that can make alarm switch closure because the atress time is too short.
Preferably, a rolling groove is arranged in the anti-static plate, the direction of the rolling groove is the same as the direction of the magnetic force line of the induction magnetic field, the magnetic small ball can roll in the rolling groove, one end of the rolling groove, which is close to the inductance coil, is provided with a conductive terminal which can be conducted with the magnetic small ball, and the conductive terminal comprises a first conductive terminal connected with the alarm element through a lead and a second conductive terminal connected with a power supply through a lead; when the induction magnetic field reaches a certain intensity, the magnetic ball moves to one end of the rolling groove close to the inductance coil by magnetic force, and at the moment, the magnetic ball is used as a section of conducting wire to be communicated with the first conducting terminal and the second conducting terminal, so that the alarm switch is in a closed state, and the static alarm assembly gives an alarm.
Preferably, a reset assembly for controlling the reset of the magnetic small balls is arranged in the rolling groove; when the factor generating larger electrostatic charge is eliminated, the magnetic small ball is returned to the original position through the reset component, so that preparation is made for the next alarm.
Preferably, the reset assembly comprises a reset spring which can reset the magnetic small ball which moves to a position close to one end of the inductance coil and a baffle which can prevent the magnetic small ball from resetting, one end of the baffle is connected with the compression spring, the compression spring can push the baffle to extend into the rolling groove to block the magnetic small ball which is positioned at one end close to the inductance coil, the other end of the baffle is connected with a button which is arranged on the upper side surface of the anti-static plate, and the middle part of the baffle is hinged in the anti-static plate to form a lever; the baffle can make the magnetism bobble that moves to being close to inductance coils one end can not reset after induction field disappears or weakens, prevents to lead to the computer lab administrator not notice the production of reporting to the police because alarm time is short excessively, only presses down again after the computer lab administrator gets rid of the factor that electrostatic charge produced the button makes the baffle follow the rolling groove withdrawal, and the magnetism bobble just can receive reset spring's power to reset, if the administrator does not press down the button, the static warning subassembly will continuously report to the police, and warning effect is better.
Preferably, a height-adjustable support for supporting the anti-static plate is mounted below the anti-static plate, a support plate connected to two adjacent supports is mounted between the anti-static plate and the support, and a level gauge is mounted on the support plate; the anti-static plate can be adjusted in height through the supports, and can be adjusted in height through observing the level gauge at the same time, when each support plate is in a horizontal state, the corresponding adjacent supports are located on the same horizontal plane, so that the anti-static floor is wholly horizontal, and the phenomenon that the magnetic small ball moves due to the influence of gravity caused by the inclination of the anti-static floor is avoided.
Preferably, the support comprises a support leg, the upper part of the support leg is provided with a threaded hole, the upper part of the support leg is provided with an adjusting seat with an external thread in an adaptive mode, the adjusting seat is provided with a positioning seat, and the support plate is arranged on the positioning seat; the lifting and descending of the positioning seat can be controlled by rotating the adjusting seat, so that the supporting plate and the anti-static plate are controlled to be in the up-down position.
Preferably, the alarm element is an LED lamp mounted on the upper side of the anti-static plate, when the anti-static plate generates a large amount of static charges in a short time, the alarm switch is turned off, the LED lamp is turned on, and the manager of the machine room can conveniently observe the abnormality.
Preferably, the antistatic plate is made of a PVC plate containing conductive fibers, and has the advantages of no reflection, no slipping, corrosion resistance, no dust generation, no dust absorption and easy cleaning under the condition of having certain conductive performance.
Therefore, the invention has the following beneficial effects: (1) when more static charges are generated on the anti-static floor within a short time, an alarm can be given, so that potential safety hazards can be discovered and eliminated in time; (2) the anti-static floor is convenient for height adjustment and leveling.
Drawings
Fig. 1 is a partial cross-sectional view at an electrostatic warning assembly of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a cross-sectional view of the mount of the present invention.
Fig. 4 is a top view of the present invention.
In the figure: 1. the electrostatic protection device comprises an antistatic plate 2, an electrostatic alarm assembly 21, an alarm element 22, an alarm switch 221, an inductance coil 222, a magnetic small ball 23, an upper potential plate 24, a lower potential plate 3, a rolling groove 4, a conductive terminal 41, a first conductive terminal 42, a second conductive terminal 5, a reset assembly 51, a reset spring 52, a baffle plate 53, a compression spring 54, a button 6, a support 61, a support leg 62, an adjusting seat 63, a positioning seat 7, a support plate 8, a level gauge 9, an upper capacitor plate 91, an upper capacitor terminal 10, a lower capacitor plate 101 and a lower capacitor terminal.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
In the embodiment shown in fig. 1-4, the electrostatic protection device comprises an electrostatic protection plate 1, the lower side of the electrostatic protection plate is grounded, an electrostatic alarm assembly 2 capable of giving an alarm when the potential difference between the upper side and the lower side of the electrostatic protection plate is too large is arranged in the electrostatic protection plate, the electrostatic alarm assembly comprises an alarm element 21 and an alarm switch 22 for controlling the alarm of the alarm element, the alarm switch comprises an inductance coil 221 which can generate an induction magnetic field when current flows, one end of the inductance coil is connected with the upper part of the electrostatic protection plate, the other end of the inductance coil is connected with the lower part of the electrostatic protection plate, a magnetic small ball 222 which can move by the magnetic force in the induction magnetic field is arranged on one side of the inductance coil, and the opening and closing of the alarm switch are determined by the position of the magnetic small ball; the inductance coil is a spiral wire with an insulating layer wrapped outside, the axial direction of the inductance coil is the horizontal direction, a conductive upper potential plate 23 is arranged at the joint of the inductance coil and the upper part of the anti-static plate, and a conductive lower potential plate 24 is arranged at the joint of the inductance coil and the lower part of the anti-static plate; the anti-static plate is internally provided with a rolling groove 3, the direction of the rolling groove is the same as the direction of the magnetic force line of the induction magnetic field, the magnetic small ball can roll in the rolling groove, one end of the rolling groove, which is close to the inductance coil, is provided with a conductive terminal 4 which can be conducted with the magnetic small ball, and the conductive terminal comprises a first conductive terminal 41 connected with the alarm element through a lead and a second conductive terminal 42 connected with a power supply through a lead.
The antistatic plate comprises an upper conductive plate, a middle insulating layer and a lower conductive plate, an upper capacitor plate 9 is arranged between the upper conductive plate and the middle insulating layer, a lower capacitor plate 10 is arranged between the lower conductive plate and the middle insulating layer, an upper capacitor terminal 91 is arranged on the upper capacitor plate, the lower capacitor plate is provided with a lower capacitor terminal 101, the upper capacitor plate and the lower capacitor plate are two opposite annular conductive plates, the electrostatic alarm assembly is positioned in the middle of the anti-static plate, the position of the capacitor avoids the part opposite to the annular conductive plate, the upper capacitor plate, the middle insulating layer and the lower capacitor plate form the power supply, the upper capacitor terminal 91 is connected to the alarm element 21 by a wire, and the lower capacitor terminal 101 is connected to the second conductive terminal 42 by a wire.
A reset component 5 for controlling the reset of the magnetic small balls is arranged in the rolling groove, and the reset component 5 has the reset function and also has the function of keeping the alarm state after the generation of the electrostatic charges; the reset assembly 5 comprises a reset spring 51 which can reset the magnetic ball 222 moving to the end close to the inductance coil 221 and a baffle plate 52 which can prevent the magnetic ball 222 from resetting, one end of the baffle plate 52 is connected with a compression spring 53, the compression spring 53 can push the baffle plate to extend into the rolling groove to block the magnetic ball 222 close to the end of the inductance coil 221, the other end of the baffle plate 52 is connected with a button 54 arranged on the upper side surface of the anti-static plate, and the middle part of the baffle plate 52 is hinged in the anti-static plate 1 to form a lever; a button groove is formed in the upper side face of the anti-static plate 1, an openable button cover is arranged in the button groove, the upper end of the button 54 is located in the button groove, the lower end of the button 54 is in contact with the left end of the baffle plate 52, when the button 54 is pressed down, the left end of the baffle plate 52 descends, the right end of the baffle plate 52 rises, and the baffle plate retracts from the rolling groove.
A height-adjustable support 6 for supporting the anti-static plate is arranged below the anti-static plate, a support plate 7 connected to two adjacent supports is arranged between the anti-static plate and the support, a level meter 8 is arranged on the support plate, the anti-static plate is rectangular, the four corners of the anti-static plate are respectively provided with one support, and the four edges of the anti-static plate are respectively provided with one support plate; the support comprises a support leg 61 with a threaded hole at the upper part, an adjusting seat 62 with an external thread is mounted at the upper part of the support leg in an adaptive manner, and a positioning seat 63 is mounted on the adjusting seat; the supporting legs are fixed on the ground through screws, the supporting plate is installed on the positioning seat, an inner hexagonal wrench groove is formed in the upper end of the adjusting seat, the adjusting seat is pulled to rotate through the inner hexagonal wrench, the upper position and the lower position of the adjusting seat can be controlled, a supporting surface used for supporting the positioning seat is arranged on the adjusting seat, the adjusting seat and the positioning seat can rotate relatively, and the supporting plate is connected to the adjusting seat through screws.
The alarm element is an LED lamp arranged on the upper side surface of the anti-static plate, and as an alternative scheme, the alarm element can also be a buzzer arranged on the anti-static plate, or a combination of the buzzer and the LED lamp.
The antistatic plate is made of a PVC plate containing conductive fibers, and the resistance value of each antistatic plate is about sixty-square ohms.
When large charges are generated on the anti-static plate in a short time, electric potential can be generated on the upper potential plate, because the lower side of the anti-static plate is grounded, electric potential difference can be generated between the upper potential plate and the lower potential plate, so that current is generated in the inductance coil, when the current passes through the inductance coil, an induction magnetic field can be generated in the axial direction of the inductance coil, and the induction magnetic field can provide magnetic force for the magnetic small ball in the rolling groove, so that the magnetic small ball moves towards the direction close to the inductance coil; the time for generating the electric charge on the anti-static plate is short, the current in the inductance coil can be quickly reduced, and the reduced induction magnetic field can form an induction current in the inductance coil, so that the time for the existence of the induction magnetic field is prolonged, and the magnetic ball is prevented from moving to a position which is not in contact with the conductive terminal because the stress is too small; when the magnetic small ball rolls towards the direction of the inductance coil, the baffle plate is pressed upwards to be retracted from the rolling groove, when the magnetic small ball moves to a position contacting with the conductive terminal, the magnetic small ball leaves the baffle plate, and the baffle plate is popped out under the force of the compression spring and is propped against the left side of the magnetic small ball to prevent the magnetic small ball from resetting; after the magnetic small balls are contacted with the conductive terminals, the upper capacitor plate, the LED lamp, the magnetic small balls and the lower capacitor plate are communicated to form an electric loop, and the upper capacitor plate and the lower capacitor plate discharge electricity to enable the LED lamp to be lighted; after seeing that the LED lamp is lighted, a manager of the machine room needs to actively remove factors generating large static charges in the machine room, such as people walking in the machine room by wearing sports shoes with large friction; when the factors generating larger electrostatic charges in the machine room are eliminated, the button cover is opened and the button is pressed, the right end of the baffle plate moves upwards, the baffle plate retracts from the rolling groove, and the magnetic ball is reset under the force of the reset spring; in this way, the factors generating larger electrostatic charges are not eliminated, the induced magnetic field still exists, and the magnetic ball cannot be reset.
When the anti-static plate continuously generates static charges, the static charges are accumulated on the upper capacitor plate, so that the capacitor formed by the upper capacitor plate, the middle insulating layer and the lower capacitor plate is continuously charged, and when the alarm switch is closed, the capacitor discharges to provide electric energy for the alarm element.
When the anti-static floor is installed, the support legs are fixed on the ground firstly, then the adjusting seat is installed in the threaded hole in the upper portion of the support legs, the positioning seat is placed on the supporting surface of the adjusting seat, the support plate is placed on the positioning seat, the height of the adjusting seat is adjusted by a wrench while the support plate is observed, the support plate is in a horizontal state, the adjacent supports are also in the same horizontal plane, the process is repeated continuously, all the supports are in the same horizontal plane, and the anti-static plate is also in the same horizontal plane.

Claims (7)

1. An anti-static movable floor capable of giving an alarm comprises an anti-static plate (1), and is characterized in that the lower side surface of the anti-static plate is grounded, an electrostatic alarm assembly (2) capable of giving an alarm when the potential difference between the upper side surface and the lower side surface of the anti-static plate is too large is arranged in the anti-static plate, the electrostatic alarm assembly comprises an alarm element (21) and an alarm switch (22) for controlling the alarm of the alarm element, the alarm switch comprises an inductance coil (221) capable of generating an induction magnetic field when current flows, one end of the inductance coil is connected with the upper part of the anti-static plate, the other end of the inductance coil is connected with the lower part of the anti-static plate, one side of the inductance coil is provided with a magnetic small ball (222) capable of moving under the magnetic force in the induction magnetic field, and the opening and closing of the; the height-adjustable support (6) for supporting the anti-static plate is arranged below the anti-static plate, a support plate (7) connected to two adjacent supports is arranged between the anti-static plate and the support, and a level meter (8) is arranged on the support plate.
2. The anti-static movable floor capable of alarming as claimed in claim 1, wherein a rolling groove (3) is arranged in the anti-static plate, the direction of the rolling groove is the same as the direction of the magnetic lines of force of the induction magnetic field, the magnetic ball can roll in the rolling groove, one end of the rolling groove close to the induction coil is provided with a conductive terminal (4) capable of being conducted with the magnetic ball, and the conductive terminal comprises a first conductive terminal (41) connected with the alarming element through a lead and a second conductive terminal (42) connected with a power supply through a lead.
3. The anti-static movable floor capable of alarming as claimed in claim 2, wherein a reset component (5) for controlling the reset of the magnetic small ball is arranged in the rolling groove.
4. The anti-static movable floor capable of alarming as claimed in claim 3, wherein the reset assembly comprises a reset spring (51) capable of resetting the magnetic small ball moving to the end close to the inductance coil and a baffle (52) capable of preventing the magnetic small ball from resetting, one end of the baffle is connected with a compression spring (53), the compression spring can push the baffle to extend into the rolling groove to block the magnetic small ball positioned at the end close to the inductance coil, the other end of the baffle is connected with a button (54) arranged on the upper side surface of the anti-static plate, and the middle part of the baffle is hinged in the anti-static plate to form a lever.
5. The alarm antistatic raised floor as claimed in claim 1, wherein said support comprises a leg (61) with a threaded hole on the upper portion, said leg is adapted to be installed with an adjusting seat (62) with an external thread on the upper portion, said adjusting seat is installed with a positioning seat (63), and said support plate is installed on said positioning seat.
6. The movable floor board according to any one of claims 1 to 5, wherein the alarm element is an LED lamp mounted on the upper side of the anti-static board.
7. The movable floor board capable of alarming as claimed in any one of claims 1 to 5, wherein the material of the antistatic board is PVC board containing conductive fiber.
CN201910978452.XA 2019-10-15 2019-10-15 Anti-static movable floor capable of alarming Active CN111021665B (en)

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Application Number Priority Date Filing Date Title
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CN111021665B true CN111021665B (en) 2021-01-08

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117334010B (en) * 2023-11-27 2024-02-06 吉林大学 Emergency alarm device

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100005739A1 (en) * 2008-07-14 2010-01-14 Frank Pendergast Incorporated Non-magentic access floor system for use in electronic imaging rooms
CN201254811Y (en) * 2008-08-01 2009-06-10 朱建岳 Static leakage prevention system
CN201917987U (en) * 2010-11-04 2011-08-03 王晓进 Ground laying alarm device
FR2978974B1 (en) * 2011-08-12 2013-08-02 Claude Desgorces FLOORING
CN202331689U (en) * 2011-10-17 2012-07-11 王晓进 Ground alarm device
CN203361548U (en) * 2013-06-25 2013-12-25 侯鹏庆 Electric generating type floor system
CN204662853U (en) * 2015-03-21 2015-09-23 大连高科阻燃橡胶有限公司 A kind of antistatic floor
CN205875603U (en) * 2016-08-05 2017-01-11 广州亚太净化技术有限公司 Novel anti -static floor
CN106760379A (en) * 2016-12-06 2017-05-31 北京科技大学 A kind of Multifunctional friction electricity-generating floor leather and sensor
CN206388295U (en) * 2017-01-24 2017-08-08 刘墙 A kind of doorway floor tile with security alarm function
CN206737345U (en) * 2017-05-09 2017-12-12 北京中科航建环境工程技术有限公司 A kind of new static conductive PVC floor
CN207079861U (en) * 2017-05-27 2018-03-09 燕加隆家居建材股份有限公司 Antistatic floor tile
WO2019186573A1 (en) * 2018-03-31 2019-10-03 S Muthuraman Pedestal assemblies for raised access floor understructure
CN208363499U (en) * 2018-05-22 2019-01-11 马波 A kind of permanent magnet generator floor
CN108756129A (en) * 2018-06-15 2018-11-06 苏州斯洁科电子有限公司 A kind of static-electricity proof tile
CN108990003B (en) * 2018-09-25 2024-01-05 佳辰地板常州有限公司 Network floor system
CN209369237U (en) * 2018-10-12 2019-09-10 常州金海防静电地板有限公司 A kind of floor with efficient anti-static function
CN109208422B (en) * 2018-10-30 2021-06-08 河南应用技术职业学院 Touch type magnetic induction alarm blind road floor tile
CN209323906U (en) * 2018-12-20 2019-08-30 深圳市穹明科技有限公司 Electrostatic leakage type anti-static movable floor
CN109518911A (en) * 2019-01-10 2019-03-26 国网青海省电力公司经济技术研究院 A kind of height-adjustable retractility antistatic floor

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