CN102320207A - Dust collection blackboard eraser - Google Patents
Dust collection blackboard eraser Download PDFInfo
- 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
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- blackboard eraser
- power
- terminal voltage
- attaching plug
- power pack
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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
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,
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.
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)
| 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 |
-
2011
- 2011-06-14 CN CN201110158225A patent/CN102320207A/en active Pending
Patent Citations (9)
| 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 |
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| 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 |