CN206097654U - Omnipotent demonstration case of junior middle school's physical circuit - Google Patents

Abstract

The utility model discloses an omnipotent demonstration case of junior middle school's physical circuit, including box plate body, the last boxboard of box plate body, lower box plate's surface be display panels, go up between boxboard and the lower box plate through 180 hinge connection, upward are equipped with the space between internal surface and the lower box plate's of boxboard the internal surface, constitution equipment component place the space, being equipped with a plurality of components not of uniform size and placeeing the hole in that last boxboard, lower box plate are last, the component is place and is equipped with circuit component unit or blank in the hole, and circuit component unit or blank are through protruding, recess or plug and last boxboard, lower box plate's interior fixed surface. The utility model discloses can be with whole circuit show clear, directly perceived, no, and circuit component can not appear on the show plane, has avoided unnecessary circuit component to disturb with cognitive for the vision that the student caused, demonstrates effectually.

Description

The omnipotent demonstration box of junior physicses circuit

Technical field

This utility model is related to teaching appliance, and in particular to it is a kind of for demonstrating all experiments in junior physicses circuit ten thousand Energy demonstration box, belongs to instruments used for education field.

Background technology

The physical circuit in junior middle school has series, parallel, has measurement electric current, resistance and voltage, these electrical circuit knowledge and Rule, is the required GPRS of middle school student.In order to more vividly explain these electric circuit knowledges, teacher's typically meeting demonstrating electrical on classroom Test on road.Prior art, generally to use and each components and parts are connected this mode by wire on lectern directly shows, this Not only order is sitting in the student viewing of classroom heel row less than and each components and parts putting position is mixed and disorderly, variable, student viewing, memory Get up inconvenient, demonstrating effect is not good.

CN86203095 discloses a kind of Combined teaching demonstration box of electricity, although it is by circuit symbol piece, element plate collection Into in casing, but in demonstration, no component can produce vision interference, and casing is heavy, can not own Component be presented in vertical blackboard plane, demonstrating effect also has much room for improvement.

The content of the invention

For the deficiency that above-mentioned prior art is present, the purpose of this utility model is to provide one kind and is easy to demonstration, and cost The cheap omnipotent demonstration box of junior physicses circuit.

For achieving the above object, the technical solution adopted in the utility model is as follows：

The omnipotent demonstration box of junior physicses circuit, including box plate body, it is characterised in that the upper boxboard of box plate body, nowel The outer surface of plate is display surface, passes through 180 ° of gemel connections, the inner surface of upper boxboard and lower boxboard between upper boxboard and lower boxboard Inner surface between be provided with space, the placement space of constituent equipment element；It is provided with some not of uniform size on upper boxboard, lower boxboard Component placement hole, be provided with component unit or blank in component placement hole, component unit or blank are by convex Rise, the inner surface of groove or plug and upper boxboard, lower boxboard is fixed.

Foregoing circuit cell is made up of component fixed on one piece of installing plate, installing plate.

Toolbox is additionally provided with the inside of above-mentioned lower boxboard.

Compared to existing technologies, advantage of the present utility model：1st, clear, directly perceived, the no electricity that whole circuit shows Circuit component shows in plane all without occurring in, it is to avoid vision and cognitive interference that unnecessary component is caused to student, drills Show that effect is good；2nd, all of circuit demonstration experiment in junior middle school can be demonstrated, thus is referred to as " omnipotent "；3rd, it is overall light and handy, it is easy to operate, Cost of manufacture is cheap, is particularly suitable for the township-run middle school in rural area of experiment condition difference；4th, the component for entirely being utilized all is common The circuit common element that township-run middle school has, draws materials conveniently, regardless of junior middle school's circuit demonstration, only need to open demonstration box, top box Plate just constitutes one piece of complete demonstration board with lower boxboard, loads onto required experimental circuit cell, connects wire, just can complete Experiment；5th, in upper boxboard or lower boxboard hole-opening, component unit is fixed on into phase by way of groove, raised or plug Answer on boxboard, not only fixation, and experimental result will not be impacted；6th, this utility model whole thickness ability 14cm, It is unheavy, carry, demonstrate convenient.

Description of the drawings

Fig. 1 is closed mode figure of the boxboard without blank on this utility model

Fig. 2 loads onto the open mode figure of blank for this utility model

Fig. 3 is the inner surface structure schematic diagram of upper boxboard described in the utility model and lower boxboard

Fig. 4 is the component cellular construction schematic diagram only fixed by screw, and wherein a is A1, C1 schematic diagram, b be B1, B2 schematic diagrams, c are E1 schematic diagrams

Fig. 5 is partial circuit cell combination diagram, and wherein a is the special Joule's law being fabricated to by D1, G2, F1 Demonstration device, b are the special resistance demonstration device being made by D1, G1

Wherein, 1, upper boxboard, 2, lower boxboard, 3,180 ° of hinges, 4, component placement hole, 5, component unit or white Plate, 6, handle, 7, plug, 8, workbox.

Specific embodiment

In conjunction with accompanying drawing, the utility model will be further described.

As shown in Figure 1, Figure 2, Figure 3 shows, the omnipotent demonstration box of junior physicses circuit, including box plate body, the top box of box plate body Plate 1, lower boxboard 2 outer surface be display surface, connected by 180 ° of hinges 3 between upper boxboard 1 and lower boxboard 2, upper boxboard 1 it is interior Space, the placement space of constituent equipment element are provided between the inner surface of surface and lower boxboard 2；On upper boxboard 1, lower boxboard 2 Some component placement holes 4 not of uniform size are provided with, component unit or blank 5, circuit elements in component placement hole 4, are provided with The inner surface of part unit or blank 5 by projection, groove or plug 7 with upper boxboard 1, lower boxboard 2 is fixed.On the inside of lower boxboard 2 also It is provided with Toolbox 8.

Component unit 5 is made up of component 5.2 fixed on one piece of installing plate 5.1, installing plate 5.1, circuit Element 5.2 is fixed by screws on installing plate 5.1, as shown in Figure 4.When component is larger, in addition to screw is fixed, electricity Circuit component is also tied up on a mounting board by elastic, and the two ends of elastic are fixed by screws on installing plate, as shown in Figure 5 b. Wherein Fig. 5 a are homemade special Joule law demonstrator, and it is tied up on D, G, F blank respectively and used screw by three electric capacity Fastening, constitutes component cells D 2, G2, F1, so as to be made；Fig. 5 b are special resistance demonstration device, and it is by two Single switch is after removing the remainder in addition to terminal portions, then is screwed on D, G blank, constitutes component Cells D 1, G1, then resistance wire is fastened, so as to be made.

The width of box plate body is 35cm, and length is 80cm, is highly 14cm, and space height is 11cm.

The omnipotent demonstration box of junior physicses circuit of the present utility model, in the not used time, from appearing to be a front in person There are three " blank " patches（A、B、C）, there are 6 " blank " patches at the back side（D、E、F、G、K、M）Wooden suitcase, all After " blank " is removed, there are three square holes in suitcase front, and there are six square holes at the back side.By component and circuit elements The blank that part is combined（That is installing plate）The component unit of composition have A1, B1, B2, C1, D1, D2, E1, F1, G1, G2, K1, M1, is usually fixed on each component on the blank combined with component with screw, wherein A1 be voltmeter, B1, B2 Respectively bulb, resistance, C1 is ammeter, and D1, G1 constitute special resistance demonstration device, and E1 is slide rheostat, D2, F1, G2 group Into special Joule law demonstrator, K1 is switch, and M1 is set of cells.

During use, demonstration box is opened, upper boxboard is overturn 180 ° along hinge, is in a plane, by upper with lower boxboard Boxboard constitutes a complete and smooth demonstration board with lower boxboard, is then hung up on blackboard.According to experiment needs, at correspondence hole Position install needed for component unit, it is not necessary to hole it is then populated with corresponding blank.After experiment is finished, each electricity Circuit component unit is put in demonstration box, and hole is populated with corresponding blank, is allowed to restore.

This utility model is stored in component unit in placement space in the not used time, upper boxboard, nowel plate holes Place is filled with blank, and when experiment, blank is removed, set up in requisition for component unit, and no hole Still filled with blank.So circuit is very clear, also allows for vertically hanging on blackboard, directly perceived, convenient.

Claims (3)

1. the omnipotent demonstration box of junior physicses circuit, including box plate body, it is characterised in that the upper boxboard of box plate body, lower boxboard Outer surface be display surface, between upper boxboard and lower boxboard pass through 180 ° of gemel connections, the inner surface of upper boxboard and lower boxboard Space, the placement space of constituent equipment element are provided between inner surface；It is provided with some not of uniform size on upper boxboard, lower boxboard Component placement hole, is provided with component unit or blank in component placement hole, component unit or blank by it is raised, The inner surface of groove or plug and upper boxboard, lower boxboard is fixed.

2. the omnipotent demonstration box of junior physicses circuit according to claim 1, it is characterised in that the component unit is It is made up of component fixed on one piece of installing plate, installing plate.

3. the omnipotent demonstration box of junior physicses circuit according to claim 1 and 2, it is characterised in that also set on the inside of lower boxboard There is Toolbox.