CN102320207A - Dust collection blackboard eraser - Google Patents

Dust collection blackboard eraser Download PDF

Info

Publication number
CN102320207A
CN102320207A CN201110158225A CN201110158225A CN102320207A CN 102320207 A CN102320207 A CN 102320207A CN 201110158225 A CN201110158225 A CN 201110158225A CN 201110158225 A CN201110158225 A CN 201110158225A CN 102320207 A CN102320207 A CN 102320207A
Authority
CN
China
Prior art keywords
blackboard eraser
power
terminal voltage
attaching plug
power pack
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
CN201110158225A
Other languages
Chinese (zh)
Inventor
屈百达
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.)
Jiangnan University
Original Assignee
Jiangnan University
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 Jiangnan University filed Critical Jiangnan University
Priority to CN201110158225A priority Critical patent/CN102320207A/en
Publication of CN102320207A publication Critical patent/CN102320207A/en
Pending legal-status Critical Current

Links

Images

Abstract

The invention discloses a dust collection blackboard eraser. A blackboard eraser body is connected with a power box through a dust collection tube, the power box is connected with a suction machine through the dust collection tube, and dust collection holes uniformly arranged in arrays are formed on a pasting surface, namely the root of a fuzz eraser body, between a hand plate of the blackboard eraser body and the fuzz eraser body, in this way, a blackboard eraser combined unit with an automatic dust collection function is formed.

Description

A kind of dust absorption blackboard eraser
Affiliated technical field
The present invention relates to a kind of blackboard eraser.
Background technology
At present, known blackboard eraser be the dust fall formula.In use,, constantly be scattered, fly upward, cause dust pollution, not only influence the personnel health, also disturb the visual effect of writing on the blackboard with a large amount of chalk dusts along with the scraping action of blackboard eraser.The teacher who relatively seals, this phenomenon is particularly serious especially.Therefore, need a kind of blackboard eraser system that makes badly with dust-absorbing function.
Summary of the invention
Be scattered, fly upward for significantly reducing chalk dust, stop rough sledding such as dust pollution, the present invention provides a kind of dust absorption blackboard eraser.It is that the blackboard eraser body is connected with power pack through sweep-up pipe, and power pack is connected with vacuum cleaner through sweep-up pipe, forms the blackboard eraser composite set with automatic dust-collection function with this.
The technical solution adopted for the present invention to solve the technical problems is: the blackboard eraser body is connected with power pack through the sweep-up pipe of subsidiary operating line, and vacuum cleaner is connected with power pack through the sweep-up pipe of subsidiary power line.The palm front of blackboard eraser body is pasted and is shaped on the lint rub body; At the palm of blackboard eraser body and the subsides system face of lint rub body, promptly the root of lint rub body is processed the air suction opening that array is uniformly distributed with; Palm sidepiece assembly at the blackboard eraser body has operated key; In the palm heart portion of blackboard eraser body, dig the chamber of converging that is shaped on air suction opening array UNICOM, converge the chamber and connect through converging neck hole and pilot hole, pilot hole is used for the sweep-up pipe of the subsidiary operating line of clamping assembling.The user can be through the button of operated key, and vacuum cleaner is opened or turn-offed to working power in the control power pack and operation executive circuit.
The invention has the beneficial effects as follows: significantly reduced chalk dust and be scattered, fly upward, stopped dust pollution, disturbed the rough sledding such as visual effect of writing on the blackboard.Product structure is simple, it is integrated to be easy to, standardization and batch process.
Description of drawings
Below in conjunction with embodiment shown in the drawings the present invention is further specified.
Accompanying drawing 1 is the present invention---the dust absorption blackboard eraser system connects sketch map;
Accompanying drawing 2 is the present invention---the blackboard eraser body Facad structure view of dust absorption blackboard eraser;
Accompanying drawing 3 is that the blackboard eraser body A-A of dust absorption blackboard eraser is to the structure cutaway view;
Accompanying drawing 4 be the blackboard eraser body B-B of dust absorption blackboard eraser to the structure cutaway view,
Accompanying drawing 5 is circuit structure diagrams of dust absorption blackboard eraser.
Connect in the circuit structure diagram of sketch map and the dust absorption blackboard eraser shown in the accompanying drawing 5 in the dust absorption blackboard eraser system shown in the accompanying drawing 1: 1. blackboard eraser body, the 2. sweep-up pipe of subsidiary operating line, 3. power pack 4. attaches the sweep-up pipe of power line, 5. vacuum cleaner.
In the circuit structure diagram of the dust absorption blackboard eraser shown in accompanying drawing 2,3, the blackboard eraser body structure view shown in 4 and the accompanying drawing 5: 1.1. lint rub body, the 1.2. air suction opening, the 1.3. operated key, 1.4. converges the chamber, and 1.5. converges the neck hole, the 1.6. pilot hole.
In the circuit structure diagram of the dust absorption blackboard eraser shown in the accompanying drawing 5: C 1Be back filter capacitor, C 2Be preceding filter capacitor, Vs is the three-terminal voltage-stabilizing circuit, and Br is a rectifier bridge, and T is a power transformer, and Nb is an action button, and J is a relay, and Pl is an attaching plug, and M is a motor, and F is an exhaust fan.
The specific embodiment
Connect in the sketch map in the dust absorption blackboard eraser system shown in the accompanying drawing 1: blackboard eraser body 1 is connected with power pack 3 through the sweep-up pipe 2 of subsidiary operating line, and vacuum cleaner 5 is connected with power pack 3 through the sweep-up pipe 4 of subsidiary power line.
Be connected in the sketch map with the dust absorption blackboard eraser system shown in the accompanying drawing 1 at accompanying drawing 2,3, the blackboard eraser body structure view shown in 4: the palm front of blackboard eraser body 1 is pasted and is shaped on lint rub body 1.1; At the palm of blackboard eraser body 1 and the subsides system face of lint rub body 1.1, promptly the root of lint rub body 1.1 is processed the air suction opening 1.2 that array is uniformly distributed with; Palm sidepiece assembly at blackboard eraser body 1 has operated key 1.3; In the palm heart portion of blackboard eraser body 1, dig be shaped on air suction opening 1.2 array UNICOMs converge chamber 1.4, converge chamber 1.4 and connect with pilot hole 1.6 through converging neck hole 1.5, pilot hole 1.6 is used for the sweep-up pipe 2 of the subsidiary operating line of clamping assembling.
In the circuit structure diagram of the dust absorption blackboard eraser shown in the accompanying drawing 5: power pack 3 is the assembly of working power and operation executive circuit.Back filter capacitor C 1Positive pole be connected preceding filter capacitor C with the output head anode of 12V three-terminal voltage-stabilizing circuit Vs 2Positive pole be connected with the input anode of three-terminal voltage-stabilizing circuit Vs; Back filter capacitor C 1Negative pole, earthing pole and the preceding filter capacitor C of three-terminal voltage-stabilizing circuit Vs 2The equal ground connection of negative pole.The input anode of three-terminal voltage-stabilizing circuit Vs is connected the dc output end minus earth of rectifier bridge Br with the dc output end of rectifier bridge Br is anodal; The ac input end of rectifier bridge Br is connected with the end of action button Nb, and the other end of action button Nb is connected with an end of the 15V output winding of power transformer T; Another ac input end of rectifier bridge Br is connected with the other end of the 15V output winding of power transformer T.The control end of solid-state relay J is anodal to be connected the control end minus earth of relay J with the output head anode of three-terminal voltage-stabilizing circuit Vs; One actuating station of relay J is connected with the phase terminal of attaching plug Pl, and another actuating station of relay J is connected with the terminals of single-phase motor M, and another terminals of motor M are connected with the zero line terminals of attaching plug Pl.The across of the 220V input coil of transformer T is between the phase of attaching plug Pl, zero line terminals.The iron core of the shell of the shell of power pack 3, vacuum cleaner 5 and transformer T all is connected with the ground connection terminals of attaching plug Pl.Attaching plug Pl assembly is at the back side of the shell of power pack 3.Vacuum cleaner 5 is motor M and the coaxial same body structure of exhaust fan F.Operated key 1.3 is the dust seal closure of package operation button Nb in the latex film.

Claims (3)

1. dust absorption blackboard eraser is characterized in that: blackboard eraser body (1) is connected with power pack (3) through the sweep-up pipe (2) of subsidiary operating line, and the sweep-up pipe (4) that vacuum cleaner (5) passes through to attach power line is connected with power pack (3);
The palm front of blackboard eraser body (1) is pasted and is shaped on lint rub body (1.1); At the palm of blackboard eraser body (1) and the subsides system face of lint rub body (1.1), promptly the root of lint rub body (1.1) is processed the air suction opening (1.2) that array is uniformly distributed with; Palm sidepiece assembly at blackboard eraser body (1) has operated key (1.3); Palm heart portion at blackboard eraser body (1); Dig be shaped on air suction opening (1.2) array UNICOM converge chamber (1.4); Converging chamber (1.4) connects with pilot hole (1.6) through converging neck hole (1.5); The sweep-up pipe (2) that pilot hole (1.6) is used for the subsidiary operating line of clamping assembling is enclosed within the bar neck section (5) between its rib-loop portion section (3) and the head (4) with spring pad (1), plain cushion (2), and the size of being a bit larger tham plain cushion (2) internal diameter through rib-loop portion section (3) external diameter cooperates, and constitutes a cover component parts.
2. dust absorption blackboard eraser according to claim 1 is characterized in that: power pack (3) is the assembly of working power with the operation executive circuit; Back filter capacitor (C in the working power 1) anodal be connected preceding filter capacitor (C with the output head anode of 12V three-terminal voltage-stabilizing circuit (Vs) 2) positive pole be connected with the input anode of three-terminal voltage-stabilizing circuit (Vs); Back filter capacitor (C 1) negative pole, the earthing pole and the preceding filter capacitor (C of three-terminal voltage-stabilizing circuit (Vs) 2) the equal ground connection of negative pole; The input anode of three-terminal voltage-stabilizing circuit (Vs) is connected the dc output end minus earth of rectifier bridge (Br) with the dc output end of rectifier bridge (Br) is anodal; One ac input end of rectifier bridge (Br) is connected with an end of action button (Nb), and the other end of action button (Nb) is connected with an end of the 15V output winding of power transformer (T); Another ac input end of rectifier bridge (Br) is connected with the other end of the 15V output winding of power transformer T; The across of the 220V input coil of transformer (T) is between the phase of attaching plug (Pl), zero line terminals;
In the operation executive circuit, the control end of solid-state relay (J) is anodal to be connected the control end minus earth of relay J with the output head anode of three-terminal voltage-stabilizing circuit (Vs); One actuating station of relay J is connected with the phase terminal of attaching plug (Pl), and another actuating station of relay (J) is connected with terminals of single-phase motor (M), and another terminals of motor (M) are connected with the zero line terminals of attaching plug (Pl); The metallic object of the metallic object of power pack (3) shell, vacuum cleaner (5) shell all is connected with the ground connection terminals of attaching plug (Pl) with the iron core of transformer (T).
3. dust absorption blackboard eraser according to claim 1 is characterized in that: attaching plug (Pl) assembly is at the back side of the shell of power pack (3); Vacuum cleaner (5) is motor (M) and the coaxial same body structure of exhaust fan (F); Operated key (1.3) is the dust seal closure of package operation button (Nb) in the latex film.
CN201110158225A 2011-06-14 2011-06-14 Dust collection blackboard eraser Pending CN102320207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110158225A CN102320207A (en) 2011-06-14 2011-06-14 Dust collection blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110158225A CN102320207A (en) 2011-06-14 2011-06-14 Dust collection blackboard eraser

Publications (1)

Publication Number Publication Date
CN102320207A true CN102320207A (en) 2012-01-18

Family

ID=45448101

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110158225A Pending CN102320207A (en) 2011-06-14 2011-06-14 Dust collection blackboard eraser

Country Status (1)

Country Link
CN (1) CN102320207A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2075150U (en) * 1990-09-14 1991-04-17 李明文 Precipitating blackboard eraser
US5537711A (en) * 1995-05-05 1996-07-23 Tseng; Yu-Che Electric board cleaner
JPH11129695A (en) * 1997-10-29 1999-05-18 Shin Fukui Motor operated blackboard eraser
CN2432674Y (en) * 2000-08-03 2001-05-30 余旭 Contactless AC contactor unit
KR20070119127A (en) * 2006-06-14 2007-12-20 남재웅 Electromotion board eraser
CN200998973Y (en) * 2007-02-08 2008-01-02 王颜民 Electric dust-absorbing blackboard eraser
CN201220558Y (en) * 2008-05-20 2009-04-15 张慧真 Blackboard eraser
CN201693942U (en) * 2010-06-23 2011-01-05 朱剑峰 Blackboard eraser
CN102029849A (en) * 2009-09-29 2011-04-27 张文清 Dust-free blackboard eraser

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2075150U (en) * 1990-09-14 1991-04-17 李明文 Precipitating blackboard eraser
US5537711A (en) * 1995-05-05 1996-07-23 Tseng; Yu-Che Electric board cleaner
JPH11129695A (en) * 1997-10-29 1999-05-18 Shin Fukui Motor operated blackboard eraser
CN2432674Y (en) * 2000-08-03 2001-05-30 余旭 Contactless AC contactor unit
KR20070119127A (en) * 2006-06-14 2007-12-20 남재웅 Electromotion board eraser
CN200998973Y (en) * 2007-02-08 2008-01-02 王颜民 Electric dust-absorbing blackboard eraser
CN201220558Y (en) * 2008-05-20 2009-04-15 张慧真 Blackboard eraser
CN102029849A (en) * 2009-09-29 2011-04-27 张文清 Dust-free blackboard eraser
CN201693942U (en) * 2010-06-23 2011-01-05 朱剑峰 Blackboard eraser

Similar Documents

Publication Publication Date Title
WO2017157292A1 (en) Anti-static vacuum cleaner
CN203448179U (en) Electrostatic adsorption floor based on piezoelectric ceramic
CN105212855A (en) Hand-held electrostatic dust catcher
CN203493563U (en) Absorbing and sweeping dual-purpose robot dust collector
CN202716638U (en) Dust-absorption blackboard eraser
CN207024003U (en) System is eliminated for the electrostatic elimination system of dust catcher and static electricity on human body
CN102320207A (en) Dust collection blackboard eraser
CN203329544U (en) Air filter
CN203401439U (en) Anti-explosion fixed torque pneumatic impact wrench
CN206435632U (en) Dust suction holding pad
CN204700023U (en) The dustless equipment of a kind of electromagnetism dry powder machine
CN204995398U (en) Hand -held type static dust catcher
CN204367721U (en) A kind of dust-proof environment-friendly dust-proof eraser
CN207014100U (en) A kind of lathe cleaning device
CN206416749U (en) A kind of combined type two sides magnetism eraser
CN209288355U (en) A kind of protection dedusting noise control electric drill
CN207644028U (en) A kind of efficient electric blackboard eraser
CN206850002U (en) A kind of Novel sucker antenna
CN202803682U (en) Negative pressure dedusting device for dust brush machine
CN206478734U (en) A kind of foldable air bag filter
CN208245276U (en) A kind of computer cleaner
CN201484004U (en) Environment-friendly blackboard eraser
CN107773150A (en) A kind of safe dust arrester of instrument
CN206701911U (en) A kind of air-draft-type disposal box
CN203470407U (en) Dust gathering device of ion dusting machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120118