CN207644028U - A kind of efficient electric blackboard eraser - Google Patents

Abstract

The utility model discloses a kind of efficient electric blackboard erasers, including shell, the lower surface of the shell is equipped with hairbrush or sponge strip, and the upper surface of the shell is equipped with handle, suction inlet of the shell equipped with dust concentration detection sensor, strip, shell is interior to be equipped with main control chip；The lower surface of the shell is equipped with the capillary water pipe being threaded through in the hairbrush or the sponge strip, and water storage case, dust-collecting box are equipped in the shell；The dust concentration of the dust concentration detection sensor detection is more than main control chip when preset value and starts dust absorption fan and spraying water pump, and the clean glove for wrapping up the handle is additionally provided on the upside of the shell.The utility model main control chip when the dust concentration that dust concentration detection sensor detects is more than preset value starts dust absorption fan and spraying water pump, thus reduces the dust in air；By the way that the clean glove of wrapped around handle is arranged on shell, the hand of user during use is avoided to be contacted with dust.

Description

A kind of efficient electric blackboard eraser

Technical field

The utility model is related to a kind of teaching aid, especially a kind of efficient electric blackboard eraser.

Background technology

Chalk and blackboard are most original and traditional one of main teaching method, but teacher is deep during giving lessons It is endangered by dust, greatly the reason is that since traditional blackboard eraser is unable to control the movement of chalk dust, Dust from flying causes air pollution during wiping writing on the blackboard, has many improved measures at present for this problem, such as greatly Type automatic blackboard eraser is installed guide rail in the both sides up and down of blackboard, the both ends of blackboard eraser is fastened on guide rail, and in blackboard Dust bag is arranged in the lower end of wiping, is moved left and right by circuit control blackboard eraser to wipe writing on the blackboard, and this blackboard eraser volume is big, wiping Motion amplitude is larger during writing on the blackboard, is easy to distract the attention of the students, and reduces teaching quality, and need to change blackboard Into, it involves great expense, unsuitable universal use；In addition it is the pivoting leaf using blackboard eraser bottom to also have ash-collecting blackboard eraser, principle Piece rotation generate air suction, the dust generated in wiping process is drawn into blackboard eraser intracavitary, due to blade generate it is opposite Dust is sent into dust bag by low pressure, achievees the effect that dust suction, this product has technically tended to be ripe, but still deposits In the problem that pick-up performance is poor.

Utility model content

The utility model provides a kind of efficient electric blackboard eraser, poor for solving existing ash-collecting blackboard eraser pick-up performance The problem of.

To solve the above-mentioned problems, the utility model provides a kind of efficient electric blackboard eraser, including shell, the shell Lower surface is equipped with hairbrush or sponge strip, and the upper surface of the shell is equipped with handle, and the side wall of the shell one end is dense equipped with dust Detection sensor is spent, the side wall of the shell both sides is equipped with the suction inlet of strip, is equipped with and the dust in the shell The connected main control chip of concentration detection sensor；The lower surface of the shell is equipped with and is threaded through in the hairbrush or the sponge strip Capillary water pipe, water storage case is equipped in the shell, the capillary water pipe is connected by spraying water pipe with the water storage case, described Spraying water pipe is equipped with the spraying water pump being connected with the main control chip；Dust-collecting box, the suction inlet are additionally provided in the shell It is connected with the import of the dust-collecting box by admission line, the dust suction being connected with the main control chip is equipped in the admission line Fan, the inside of the gas outlet of the dust-collecting box are equipped with the strainer for preventing dust from overflowing the dust-collecting box for filtering dust；Institute State the main control chip when dust concentration of dust concentration detection sensor detection is more than preset value start the dust absorption fan and The spraying water pump is also associated with the clean glove for wrapping up the handle on the upside of the shell.

Efficient electric blackboard eraser provided by the utility model also has following technical characteristic：

Further, the water storage case and the dust-collecting box are installed in the upper surface of the shell and can dismantle.

Further, it is additionally provided in the shell and is connected with the spraying water pump, the dust absorption fan, the main control chip Mobile power, the mobile power be lithium battery or accumulator.

Further, the dust concentration detection sensor is the MEMS gas sensors of low-power consumption.

Further, it is additionally provided in the shell for being adsorbed with blackboard the efficient electric blackboard eraser is fixed to blackboard The magnetic of any position, the magnetic are magnet or electromagnet.

Further, the side of the shell is additionally provided with stitching section in order to which more than two blackboard erasers are combined.

Further, extension interface is additionally provided on the side of the shell one end in order to be connect with extension lever, it is described to prolong Exhibition interface is threaded hole, and one end of the extension lever is equipped with the external screw thread coordinated with the threaded hole in order to the extension lever Installation, dismounting.

The utility model has the advantages that：It is detected by the way that dust concentration is arranged on the side wall of one end of blackboard eraser Sensor, in the lower surface of shell, setting is threaded through the capillary water pipe in hairbrush or sponge strip, and water storage case and storage are located in shell Dirt box, when the dust concentration of dust concentration detection sensor detection is more than preset value, main control chip starts dust absorption fan and spraying Thus water pump reduces the dust in air；By the way that the clean glove of wrapped around handle is arranged on shell, avoid making during use The hand of user is contacted with dust.

Description of the drawings

Fig. 1 is the structural schematic diagram of the efficient electric blackboard eraser of the utility model embodiment；

Fig. 2 is the structural schematic diagram for the efficient electric blackboard eraser that the utility model embodiment removes after clean glove.

Specific implementation mode

The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not rushing In the case of prominent, the feature in the embodiments of the present invention and embodiment can be combined with each other.

In one embodiment of the efficient electric blackboard eraser of the utility model as shown in Figure 1 to Figure 2, the efficient electric is black Blackboard eraser includes shell 10, and the lower surface of shell 10 is equipped with hairbrush or sponge strip, and the upper surface of shell 10 is equipped with handle 20, shell 10 The side wall of one end is equipped with dust concentration detection sensor 30, and the side wall of 10 both sides of shell is equipped with the suction inlet 11 of strip, shell The main control chip being connected with dust concentration detection sensor 30 is equipped in body 10；The lower surface of shell 10 is equipped with and is threaded through the hair Capillary water pipe 12 in brush or the sponge strip, shell 10 is interior to be equipped with water storage case 13, and capillary water pipe 12 passes through spraying water pipe and storage Water box 13 are connected, and the spraying water pipe is equipped with the spraying water pump being connected with the main control chip；Storage dirt is additionally provided in shell 10 Box 14, suction inlet 11 are connected by admission line with the import of dust-collecting box 14, are equipped with and the master control core in the admission line The connected dust absorption fan of piece, the inside of the gas outlet of dust-collecting box 14 is equipped with prevents dust from overflowing dust-collecting box 14 for filtering dust Strainer；The dust concentration that dust concentration detection sensor 30 detects is more than main control chip when preset value and starts the dust suction wind Fan and the spraying water pump, the upside of shell 10 is also associated with the clean glove 40 of wrapped around handle 20.It is efficient in the embodiment Electric blackboard eraser is set by the way that dust concentration detection sensor is arranged on the side wall of one end of blackboard eraser in the lower surface of shell The capillary water pipe being threaded through in hairbrush or sponge strip is set, water storage case and dust-collecting box are located in shell, is sensed when dust concentration detects Main control chip starts dust absorption fan and spraying water pump when the dust concentration of device detection is more than preset value, thus reduces the powder in air Dirt；By the way that the clean glove of wrapped around handle is arranged on shell, the hand of user during use is avoided to be contacted with dust.Tool For body, the air containing dust is sucked by dust-collecting box 14, dust quilt by the suction inlet 11 of strip after dust absorption fan startup Strainer obstructs in dust-collecting box, and filtered air overflows dust-collecting box by strainer；It, will be in water storage case after spraying starting mode of pump Water extract out and same spraying water pipe, capillary water pipe spray, on shell hairbrush or sponge strip humidify, thus avoid dust fly It raises, reduces the dust in air.

In the above-described embodiments, efficient electric blackboard eraser also has following technical characteristic：Water storage case 13 and dust-collecting box 14 are equal Mounted on the upper surface of shell 10 and can dismantle, so that the efficient electric wiping blackboard structure is simple, it is easy to use.Shell The mobile power being connected with the spraying water pump, the dust absorption fan, the main control chip, the mobile power are additionally provided in 10 For lithium battery or accumulator, power for each electric component from there through mobile power, it is easy to use.Preferably, the mobile electricity Source is rechargeable type or detachable changeable type.Dust concentration detection sensor 30 is the MEMS (Microelectro of low-power consumption Mechanical Systems) gas sensor, for example, using MCG301MEMS-VOC gas sensors, it thus can be effectively Dust concentration in monitoring of environmental, starts spraying water pump, dust absorption fan in time, and detection is sensitive and low in energy consumption.

In the above-described embodiments, it is additionally provided in shell 10 for being adsorbed with blackboard the efficient electric blackboard eraser to be fixed to The magnetic of blackboard any position, the magnetic are magnet or electromagnet.Preferably, the side of shell 10 be additionally provided with stitching section so as to It is combined in more than two blackboard erasers, thus can increase the area of blackboard eraser, improve cleaning efficiency, it is easy to use.It is preferred that Ground is additionally provided with extension interface on the side of 10 one end of shell in order to be connect with extension lever, and the extension interface is threaded hole, institute The one end for stating extension lever is equipped with installation, dismounting of the external screw thread coordinated with the threaded hole in order to the extension lever, thus just It is used in the user of different heights, it is convenient to easy to use to being cleared up at higher position on blackboard.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that： It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc. With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (6)

1. the lower surface of a kind of efficient electric blackboard eraser, including shell, the shell is equipped with hairbrush or sponge strip, the shell Upper surface is equipped with handle, which is characterized in that the side wall of the shell one end is equipped with dust concentration detection sensor, and the dust is dense The MEMS gas sensors that detection sensor is low-power consumption are spent, the side wall of the shell both sides is equipped with the suction inlet of strip, The main control chip being connected with the dust concentration detection sensor is equipped in the shell；The lower surface of the shell is equipped with and wears Capillary water pipe in the hairbrush or the sponge strip, the shell is interior to be equipped with water storage case, and the capillary water pipe passes through spraying Water pipe is connected with the water storage case, and the spraying water pipe is equipped with the spraying water pump being connected with the main control chip；The shell It is inside additionally provided with dust-collecting box, the suction inlet is connected with the import of the dust-collecting box by admission line, is set in the admission line There is the dust absorption fan being connected with the main control chip, the inside of the gas outlet of the dust-collecting box is equipped with prevents powder for filtering dust Dirt overflows the strainer of the dust-collecting box；The dust concentration of the dust concentration detection sensor detection is more than master when preset value It controls chip and starts the dust absorption fan and the spraying water pump, the dustproof hand for wrapping up the handle is additionally provided on the upside of the shell Set.

2. efficient electric blackboard eraser according to claim 1, which is characterized in that the water storage case and the dust-collecting box are pacified Mounted in the upper surface of the shell and can dismantle.

3. efficient electric blackboard eraser according to claim 2, which is characterized in that be additionally provided in the shell and the spraying The connected mobile power of water pump, the dust absorption fan, the main control chip, the mobile power are lithium battery or accumulator.

4. efficient electric blackboard eraser according to claim 3, which is characterized in that be additionally provided with and be used for and blackboard in the shell The efficient electric blackboard eraser to be fixed to the magnetic of blackboard any position, the magnetic is magnet or electromagnet for absorption.

5. efficient electric blackboard eraser according to claim 4, which is characterized in that the side of the shell is additionally provided with stitching section In order to which more than two blackboard erasers are combined.

6. efficient electric blackboard eraser according to claim 5, which is characterized in that be additionally provided on the side of the shell one end For extension interface in order to be connect with extension lever, the extension interface is threaded hole, and one end of the extension lever is equipped with and the spiral shell Installation, dismounting of the external screw thread of pit cooperation in order to the extension lever.