CN209056136U - A kind of multifunction electronic Experiment of Electrical Engineering case - Google Patents
A kind of multifunction electronic Experiment of Electrical Engineering case Download PDFInfo
- Publication number
- CN209056136U CN209056136U CN201820920862.XU CN201820920862U CN209056136U CN 209056136 U CN209056136 U CN 209056136U CN 201820920862 U CN201820920862 U CN 201820920862U CN 209056136 U CN209056136 U CN 209056136U
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- lower box
- exhaust passage
- air
- fan
- electrical engineering
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Abstract
The utility model discloses a kind of multifunction electronic Experiment of Electrical Engineering casees, including lower box, the lower box upper end is equipped with digital multimeter, signal generator, welding plate and welding stage, air exhausting device and apparatus for adjusting position are installed in the lower box, the air exhausting device includes downtake pipe, the downtake pipe is installed on lower box upper surface front end, the downtake pipe quantity is five, five downtake pipe upper ends are mounted on plastic hose one end, compared with prior art, the beneficial effects of the utility model are: the adjustable direction of plastic hose, change the direction of air inlet, convenient for the weldering cigarette of different location is absorbed, weldering cigarette can pass through first exhaust passage, second exhaust channel, third exhaust passage and the 4th exhaust passage, it is discharged finally by air discharge duct, first fan and the second fan can respectively to Air draft and the air draft to outside air discharge duct in air discharge duct.
Description
Technical field
The utility model relates to electron and electrician technical field, specially a kind of multifunction electronic Experiment of Electrical Engineering case.
Background technique
Electron and electrician highly important specialized course when being Engineering Students study, while being also Engineering Students electricity class class
The basic course opened up at first in terms of journey, it is essential in the learning process of Engineering Speciality, and experiment link is electron and electrician study
When most important link, circuit analysis, the verifying of electrotechnics basic theory require to be learnt in laboratory, basic component
Study, the connection of circuit and the study of instrument knowledge require theoretical combined with experiment to learn;
Electronic-electric experiment case is usually used in electronic-electric experiment room, for teacher to the teaching of student and the experiment of student
Study, current electronic-electric experiment box structure is relatively simple, and miscellaneous function when experiment is less, usually can in Welding experiment
A large amount of tobacco is generated, and it is extremely harmful for the body of student to weld cigarette, weldering cigarette can first pass through above human body face in welding,
And then enter human body by mouth and nose, but indoor weldering cigarette can only be excluded by indoor air draft in laboratory at present, it cannot stop
Weldering is sucked by student, meanwhile, current electronic-electric experiment case height is mostly fixed, and the height difference of student is larger, and one
A little students cause to bend one's back the upper time when experiment to weld since electronic-electric experiment case position is too low, are easy for a long time
Waist is caused to be ached, for this purpose, it is proposed that a kind of multifunction electronic Experiment of Electrical Engineering case.
Utility model content
The purpose of this utility model is to provide a kind of multifunction electronic Experiment of Electrical Engineering casees, to solve in above-mentioned background technique
The problem of proposition.
A kind of multifunction electronic Experiment of Electrical Engineering case, including lower box, the lower box upper end are equipped with digital multimeter, letter
Number generator, welding plate and welding stage are equipped with air exhausting device and apparatus for adjusting position in the lower box;
The air exhausting device includes downtake pipe, and the downtake pipe is installed on lower box upper surface front end, described
Downtake pipe quantity is five, and five downtake pipe upper ends are mounted on plastic hose one end, the plastic hose
The other end is equipped with air inlet, is equipped with the first filter screen in the air inlet, in the lower box in offer first exhaust
Channel, second exhaust channel, third exhaust passage and the 4th exhaust passage, the downtake pipe lower end and first exhaust passage
Connection, the first exhaust passage, second exhaust channel, third exhaust passage, the 4th exhaust passage and air discharge duct are sequentially communicated,
The air discharge duct is opened in lower box two sides, and inboard is separately installed with the first fan and the second fan in described two air discharge ducts,
Outside is mounted on the second filter screen in described two air discharge ducts, and described two air discharge duct openings are bolted with blanking cover, described
Handle is installed outside blanking cover;
The apparatus for adjusting position includes external screw thread cylinder, and the external screw thread cylinder is bolted in tapped through hole, and the screw thread is logical
Hole is opened in lower box four corners, and two sides are provided with sliding slot in the external screw thread cylinder, are socketed with slide bar in the external screw thread cylinder, described
The lower end of the slider two sides are equipped with shoes, and the shoes is slidably connected in sliding slot, and external screw thread cylinder lower end is hinged with support plate, described
Support plate is installed in kerve, and the kerve is opened in lower box lower end four corners, and the slide bar upper end is equipped with turning handle, described
Turning handle is located at lower box upper surface.
Preferably, both ends are mounted on active carbon layer in the 4th exhaust passage.
Preferably, first fan is electrically connected to a power source by first switch, and second fan passes through second switch
It is electrically connected to a power source, the first switch and second switch are mounted on lower box upper surface.
Preferably, the support plate lower end is equipped with rubber pad.
Preferably, the lower box front end is hinged with upper box, and lock is equipped on the upper box.
Preferably, the lower box upper end is provided with groove.
Compared with prior art, the utility model has the beneficial effects that being installed on table on lower box by downtake pipe
It holds in front, downtake pipe quantity is five, and five downtake pipe upper ends are mounted on plastic hose one end, and plastic hose is another
One end is equipped with air inlet, makes the adjustable direction of plastic hose, changes the direction of air inlet, convenient for by the weldering of different location
Cigarette absorbs, and is connected to by downtake pipe lower end with first exhaust passage, first exhaust passage, second exhaust channel, third row
Gas channel, the 4th exhaust passage and air discharge duct are sequentially communicated, enable weld cigarette by first exhaust passage, second exhaust channel,
Third exhaust passage and the 4th exhaust passage, are discharged finally by air discharge duct, are opened in lower box two sides by air discharge duct, and two
Inboard is separately installed with the first fan and the second fan in air discharge duct, enables the first fan and the second fan respectively to air discharge duct
Interior air draft and the air draft to outside air discharge duct respectively reach discharge weldering cigarette and clear up the purpose of lower box upper end dust, arranged by two
Air drain opening is bolted with blanking cover, is equipped with handle outside blanking cover, when user using in an air discharge duct the first fan or
When the second fan, another air discharge duct is blocked by blanking cover, is bolted in tapped through hole by external screw thread cylinder, makes external screw thread cylinder
Can in tapped through hole rotation and lifting, be provided with sliding slot by two sides in external screw thread cylinder, slide bar, slide bar be socketed in external screw thread cylinder
Lower end two sides are equipped with shoes, and shoes is slidably connected in sliding slot, so that slide bar rotation is able to drive shoes rotation, to make external screw thread cylinder
Rotation and lifting, shoes can slide lifting in sliding slot at this time, be hinged with support plate by external screw thread cylinder lower end, enable support plate
It is enough supported on experimental bench surface, turning handle is equipped with by slide bar upper end, convenient for the rotation of slide bar.
Detailed description of the invention
Fig. 1 is the utility model perspective view;
Fig. 2 is the utility model front view structure cross-sectional view;
Fig. 3 is the utility model side view structure cross-sectional view;
Fig. 4 is structure sectional view at the utility model apparatus for adjusting position.
In figure: 1, lower box, 101, groove, 102, first exhaust passage, 103, second exhaust channel, 104, third exhaust
Channel, the 105, the 4th exhaust passage, 106, air discharge duct, 107, tapped through hole, 108, kerve, 2, air exhausting device, 21, first exhaust
Pipe, 22, plastic hose, 23, air inlet, the 24, first filter screen, the 25, first fan, the 26, second fan, the 27, second filter screen,
28, blanking cover, 29, handle, 210, first switch, 211, second switch, 3, apparatus for adjusting position, 31, external screw thread cylinder, 311, cunning
Slot, 32, slide bar, 33, shoes, 34, support plate, 35, rubber pad, 36, turning handle, 4, digital multimeter, 5, signal generator, 6, weldering
Plate, 7, welding stage, 8, upper box, 9, lock, 10, active carbon layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of multifunction electronic Experiment of Electrical Engineering case, including
Lower box 1,1 upper end of lower box are equipped with digital multimeter 4, signal generator 5, welding plate 6 and welding stage 7, the lower box 1
Air exhausting device 2 and apparatus for adjusting position 3 are inside installed;
The air exhausting device 2 includes downtake pipe 21, before the downtake pipe 21 is installed on 1 upper surface of lower box
End, 21 quantity of downtake pipe are five, and five downtake pipes, 21 upper end is mounted on 22 one end of plastic hose,
22 other end of plastic hose is equipped with air inlet 23, makes the adjustable direction of plastic hose 22, makes the direction of air inlet 23
Change, the first filter screen 24 is installed convenient for absorbing the weldering cigarette of different location, in the air inlet 23, in the lower box 1
First exhaust passage 102, second exhaust channel 103, third exhaust passage 104 and the 4th exhaust passage 105 are inside offered, it is described
21 lower end of downtake pipe is connected to first exhaust passage 102, and weldering cigarette is enable to pass through first exhaust passage 102, second exhaust
Channel 103, third exhaust passage 104 and the 4th 105 channels of exhaust, are discharged, the first exhaust is logical finally by air discharge duct 106
Road 102, second exhaust channel 103, third exhaust passage 104, the 4th exhaust passage 105 are sequentially communicated with air discharge duct 106, described
Air discharge duct 106 is opened in 1 two sides of lower box, and inboard is separately installed with the first fan 25 and second in described two air discharge ducts 106
Fan 26 enables the air draft and to the outer air draft of air discharge duct 106 into air discharge duct 106 respectively of the first fan 25 and the second fan 26,
It respectively reaches discharge weldering cigarette and clears up the purpose of 1 upper end dust of lower box, outside is mounted on the in described two air discharge ducts 106
Two filter screens 27, described two 106 openings of air discharge duct are bolted with blanking cover 28, are equipped with handle 29 outside the blanking cover 28, when
When user uses the first fan 25 or the second fan 26 in an air discharge duct 106, another air discharge duct 106 is passed through into blanking cover
28 block;
The apparatus for adjusting position 3 includes external screw thread cylinder 31, and the external screw thread cylinder 31 is bolted in tapped through hole 107, makes
External screw thread cylinder 31 can in tapped through hole 107 rotation and lifting, the tapped through hole 107 is opened in 1 four corners of lower box, described
Two sides are provided with sliding slot 311 in external screw thread cylinder 31, and slide bar 32,32 lower end two sides of the slide bar peace are socketed in the external screw thread cylinder 31
Equipped with shoes 33, the shoes 33 is slidably connected in sliding slot 311, and the rotation of slide bar 32 is made to be able to drive the rotation of shoes 33, to make outer
31 rotation and lifting of thread barrel makes position and the angular adjustment of lower box 1, and shoes 33 can slide lifting in sliding slot 311 at this time,
31 lower end of external screw thread cylinder is hinged with support plate 34, and support plate 34 is enable to be supported on experimental bench surface, the support plate 34
It is installed in kerve 108, the kerve 108 is opened in 1 lower end four corners of lower box, and 32 upper end of slide bar is equipped with turning handle
36, the turning handle 36 is located at 1 upper surface of lower box, convenient for the rotation of slide bar 32.
Specifically, both ends are mounted on active carbon layer 10 in the 4th exhaust passage 105, allow to purification weldering cigarette.
Specifically, first fan 25 is electrically connected to a power source by first switch 210, second fan 26 passes through
Second switch 211 is electrically connected to a power source, and the first switch 210 is mounted on 1 upper surface of lower box with second switch 211, is made
First fan 25 and the second fan 26 use convenient for switch.
Specifically, 34 lower end of support plate is equipped with rubber pad 35, increase the frictional force of support plate 34 and experimental bench.
Specifically, 1 front end of lower box is hinged with upper box 8, lock 9 is installed on the upper box 8, makes top box
Body 8 can be fixed on 1 upper end of lower box by lock 9, protect the electronic component on lower box 1.
Specifically, 1 upper end of lower box is provided with groove 101, groove 101 is allow to store instrument or electronic component.
Working principle: the utility model before use, adjustment plastic hose 22 direction, make air inlet 23 towards weldering cigarette produce
Air discharge duct 106 at second fan 26 is blocked by blanking cover 28, starts the first fan 25, using 7 He of welding stage by raw position
Welding plate 6 carries out Welding experiment, and weldering cigarette can pass through first exhaust passage 102, second exhaust channel 103, third exhaust passage 104
With the 4th 105 channels of exhaust, it is discharged finally by air discharge duct 106, the weldering cigarette generated when welding is avoided directly to be inhaled into human body, when
When the elevation angle of lower box 1 needs to reconcile, four turning handles 36 are rotated respectively, and turning handle 36 is rotated with moving slide-bar 32, and slide bar 32 revolves
Turn to be able to drive the rotation of shoes 33, to make 31 rotation and lifting of external screw thread cylinder, makes position and the angular adjustment of lower box 1, be convenient for
The experimenter of different heights tests.
It is interior it is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments,
And without departing substantially from the spirit or essential attributes of the utility model, it can realize in other specific forms practical
It is novel.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical
Novel range is indicated by the appended claims rather than the foregoing description, it is intended that the equivalent requirements of the claims will be fallen in
All changes in meaning and scope are embraced therein.It should not treat any reference in the claims as limiting
Claim involved in making.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of multifunction electronic Experiment of Electrical Engineering case, including lower box (1), it is characterised in that: lower box (1) the upper end installation
There are digital multimeter (4), signal generator (5), welding plate (6) and welding stage (7), air exhausting device is installed in the lower box (1)
(2) and apparatus for adjusting position (3);
The air exhausting device (2) includes downtake pipe (21), and the downtake pipe (21) is installed on lower box (1) upper surface
Front end, downtake pipe (21) quantity are five, and five downtake pipes (21) upper end is mounted on plastic hose
(22) one end, plastic hose (22) other end are equipped with air inlet (23), are equipped with the first mistake in the air inlet (23)
Strainer (24), in the lower box (1) in offer first exhaust passage (102), second exhaust channel (103), third exhaust
Channel (104) and the 4th exhaust passage (105), downtake pipe (21) lower end are connected to first exhaust passage (102), institute
State first exhaust passage (102), second exhaust channel (103), third exhaust passage (104), the 4th exhaust passage (105) and row
Air drain (106) is sequentially communicated, and the air discharge duct (106) is opened in lower box (1) two sides, described two air discharge duct (106) linings
Side is separately installed with the first fan (25) and the second fan (26), and outside is mounted on second in described two air discharge ducts (106)
Filter screen (27), described two air discharge duct (106) openings are bolted with blanking cover (28), and handle is equipped with outside the blanking cover (28)
(29);
The apparatus for adjusting position (3) includes external screw thread cylinder (31), and the external screw thread cylinder (31) is bolted in tapped through hole (107)
Interior, the tapped through hole (107) is opened in lower box (1) four corners, and the interior two sides of the external screw thread cylinder (31) are provided with sliding slot
(311), it is socketed with slide bar (32) in the external screw thread cylinder (31), slide bar (32) the lower end two sides are equipped with shoes (33), institute
It states shoes (33) to be slidably connected in sliding slot (311), external screw thread cylinder (31) lower end is hinged with support plate (34), the support plate
(34) it is installed in kerve (108), the kerve (108) is opened in lower box (1) lower end four corners, slide bar (32) upper end
It is equipped with turning handle (36), the turning handle (36) is located at lower box (1) upper surface.
2. a kind of multifunction electronic Experiment of Electrical Engineering case according to claim 1, it is characterised in that: the 4th exhaust passage
(105) interior both ends are mounted on active carbon layer (10).
3. a kind of multifunction electronic Experiment of Electrical Engineering case according to claim 1, it is characterised in that: first fan (25)
It being electrically connected to a power source by first switch (210), second fan (26) is electrically connected to a power source by second switch (211),
The first switch (210) and second switch (211) are mounted on lower box (1) upper surface.
4. a kind of multifunction electronic Experiment of Electrical Engineering case according to claim 1, it is characterised in that: under the support plate (34)
End is equipped with rubber pad (35).
5. a kind of multifunction electronic Experiment of Electrical Engineering case according to claim 1, it is characterised in that: before the lower box (1)
End is hinged with upper box (8), is equipped with lock (9) on the upper box (8).
6. a kind of multifunction electronic Experiment of Electrical Engineering case according to claim 1, it is characterised in that: on the lower box (1)
End is provided with groove (101).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820920862.XU CN209056136U (en) | 2018-06-13 | 2018-06-13 | A kind of multifunction electronic Experiment of Electrical Engineering case |
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CN201820920862.XU CN209056136U (en) | 2018-06-13 | 2018-06-13 | A kind of multifunction electronic Experiment of Electrical Engineering case |
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CN209056136U true CN209056136U (en) | 2019-07-02 |
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CN201820920862.XU Expired - Fee Related CN209056136U (en) | 2018-06-13 | 2018-06-13 | A kind of multifunction electronic Experiment of Electrical Engineering case |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112071173A (en) * | 2020-09-17 | 2020-12-11 | 国网山东省电力公司烟台供电公司 | High-voltage distribution line ground fault simulation platform |
-
2018
- 2018-06-13 CN CN201820920862.XU patent/CN209056136U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112071173A (en) * | 2020-09-17 | 2020-12-11 | 国网山东省电力公司烟台供电公司 | High-voltage distribution line ground fault simulation platform |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 Termination date: 20200613 |