CN201274113Y - Design type physical DC circuit experiment box - Google Patents
Design type physical DC circuit experiment box Download PDFInfo
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- CN201274113Y CN201274113Y CNU2008201652958U CN200820165295U CN201274113Y CN 201274113 Y CN201274113 Y CN 201274113Y CN U2008201652958 U CNU2008201652958 U CN U2008201652958U CN 200820165295 U CN200820165295 U CN 200820165295U CN 201274113 Y CN201274113 Y CN 201274113Y
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Abstract
The utility model relates to a physical direct current circuit experimental box with designability, comprising a panel (1); the upper part of the left side of the panel (1) is provided with a four and a half-position LED gauge head and a wiring jack; the upper part of the right side of the panel (1) is provided with a four and a half-position liquid crystal gauge head (12) and the wiring jack; the middle part of the upper side of the panel (1) is provided with a power switch (14), a direct current power supply adjusting button (13) and the wiring jack in parallel; the lower part of the panel (1) is provided with four adjustable resistor wiring jacks. Compared with the prior art, the physical direct current circuit experimental box has the following advantages that the various meters and electronic elements used in the physical direct current circuit experiment are integrated into one panel and are connected with the outside by the wiring jacks; therefore, when doing experiment, only the wiring jacks with different positions on the panel are connected by various connecting wires, the experiments of a single-range meter modified circuit, a multirange multimeter modified circuit, a direct current bridge circuit, a current voltage characteristic circuit, a direct current double arm bridge and the like.
Description
Technical field
The present invention relates to a kind of designing physical direct-current circuit laboratory box.
Background technology
The skill training of physics DC circuit experiment is the important composition of college physical experiment teaching, many students need actual start to carry out the wiring between the various instruments and the adjusting of function key in Experiment of Electrical Circuits, because the experiment of different physics DC circuit need be used different elements, and the direct circuit connection of each element also is not quite similar; The university student runs into circuit through regular meeting and connects too much, crosses assorted and cause not reaching the experiment effect of expection when doing the experiment of these physics DC circuit; and; when element is too much; the lead that is connected between the element is just mixed and disorderly easily; this not only can be unfavorable for checking circuit; in the time of serious, also easily electronic component is burnt out.And also do not have at present a kind of can be comprehensively in an experimental box with the direct supply of the required usefulness of various DC circuit, adjustable resistance, the first-class electronic component of all kinds of LCD (perhaps LED) digital watch, and the Position Design of each element makes things convenient for experimental teaching, improve student's the experimental period efficient and teacher's the efficiency of management, the experimental box of the designability physics DC circuit experiment of doing multiple difference in functionality can be provided simultaneously.
Summary of the invention
Technical matters to be solved by this invention be at above-mentioned prior art provide a kind of Position Design of gathering the required various electronic components of physics DC circuit and each electronic component rationally, multiple different physics DC circuit Experimental design physical direct-current circuit laboratory box can be provided simultaneously.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this designing physical direct-current circuit laboratory box, include a panel, and it is characterized in that:
The top, left side of described panel is provided with one or four half LED gauge outfits and is connected first patch jack and second patch jack at these four and half LED gauge outfit two ends by lead;
The top, right side of described panel is provided with one or four half liquid crystal gauge outfits and is connected the 3rd patch jack and the 4th patch jack at these four and half liquid crystal gauge outfit two ends by lead;
The upside middle part of described panel has been arranged side by side power switch, direct supply size adjustment button and the 5th patch jack, the 6th patch jack, wherein be connected direct supply size adjustment button both sides by lead between the 5th patch jack, the 6th patch jack, direct supply, direct supply size adjustment button and power switch then connect successively by lead;
The below, left side of described panel is provided with first adjustable resistor and is connected the 7th patch jack and the 8th patch jack at the first adjustable resistor two ends by lead;
The below, right side of described panel is provided with second adjustable resistor and is connected the 9th patch jack and the tenth patch jack at the second adjustable resistor two ends by lead;
The downside middle part of described panel is set side by side with the 3rd adjustable resistor, the 4th adjustable resistor, the 3rd adjustable resistor limit is provided with the 11 patch jack and the 12 patch jack, the 4th adjustable resistor limit is provided with the 13 patch jack and the 14 patch jack, wherein the 11 patch jack and the 12 patch jack are connected the two ends of the 3rd adjustable resistor by lead, and the 13 patch jack and the 14 patch jack are connected the two ends of the 4th adjustable resistor by lead.
The resistance range of described first adjustable resistor, second adjustable resistor, the 3rd adjustable resistor, the 4th adjustable resistor can be identical, also can be different, experiment for convenience, in the designing physical direct-current circuit laboratory box provided by the invention, the resistance of described first adjustable resistor is 1～9999 Ω, and is respectively 1～9,10～90 by four resistances, 100～900,1000～9000 adjustable resistance is in series; The resistance of described second adjustable resistor is 1～999 Ω, and is respectively 1～9 by three resistances, and 10～90,100～900 adjustable resistance is in series; The resistance of described the 3rd adjustable resistor is 0.1～999.9 Ω, and is respectively 0.1～0.9 by four resistances, 1～9,10～90, and 100～900 adjustable resistance is in series; The resistance of described the 4th adjustable resistor is 0.1～999.9 Ω, and is respectively 0.1～0.9 by four resistances, 1～9,10～90, and 100～900 adjustable resistance is in series.Also these four adjustable resistors can be updated to high-precision digital regulation resistance, form absolute novel digital multi-functional designing physical direct-current circuit laboratory box.
We carry and manage for convenience, we are fixed on above-mentioned panel in the chest, this chest is made up of lower box and upper box, the surface of the lower box that described panel is fixed on, described various connection lead, direct supply and adjustable resistance all are contained in the cavity of lower box, are provided with lockset between above-mentioned lower box and the upper box.
Compared with prior art, the invention has the advantages that: will make various instrument, the electronic component that physics DC circuit experiment will use and be integrated on the panel, and externally connect by patch jack, when doing experiment like this, only need couple together, just can do the designability experiment of multiple difference in functionality by the patch jack of various connecting lines with diverse location on the panel; As: experiments such as repacking of single range digital electric meter and correcting circuit, the repacking of multirange digital multimeter and correcting circuit, direct current wheatstone bridge circuit, volt-ampere characteristic circuit, direct-flow double bridge.
Description of drawings
Fig. 1 is the structural representation (closing up under the state of upper box) of the embodiment of the invention;
Fig. 2 is the structural representation (opening under the state of upper box) of the embodiment of the invention;
Fig. 3 is the experimental circuit of voltammetry ammeter inner connection when adopting the embodiment of the invention;
Fig. 4 is the experimental circuit of voltammetry external ammeter when adopting the embodiment of the invention;
Fig. 5 is the experimental circuit of dc bridge circuit when adopting the embodiment of the invention;
Fig. 6 is the experimental circuit of single range digital electronic ammeter repacking when adopting the embodiment of the invention;
Fig. 7 is the experimental circuit of single range digital voltmeter repacking when adopting the embodiment of the invention;
Fig. 8 is the experimental circuit of multirange digital multimeter repacking when adopting the embodiment of the invention;
Fig. 9 is the experimental circuit of direct-flow double bridge when adopting the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Designing physical direct-current circuit laboratory box shown in Fig. 1～2 comprises the casing of being made up of lower box 51 and upper box 52 5, and wherein the surface of lower box 51 is provided with a panel 1, and
The top, left side of panel 1 is provided with one or four half liquid crystal gauge outfits 11 and is connected the first patch jack 11a and the second patch jack 11b at these four and half LED gauge outfit, 11 two ends by lead; Here four and half liquid crystal gauge outfits 11 can adopt four and half LED gauge outfits to replace;
The top, right side of panel 1 is provided with one or four half liquid crystal gauge outfits 12 and is connected the 3rd patch jack 12a and the 4th patch jack 12b at these four and half liquid crystal gauge outfit, 12 two ends by lead; Here four and half liquid crystal gauge outfits 12 also can adopt four and half LED gauge outfits to replace;
The upside middle part of panel 1 has been arranged side by side power switch 14, direct supply size adjustment button 13 and the 5th patch jack 13a, the 6th patch jack 13b, wherein be connected direct supply size adjustment button 13 both sides by lead between the 5th patch jack 13a, the 6th patch jack 13b, direct supply, direct supply size adjustment button 13 and power switch 14 then connect successively by lead;
The below, left side of panel 1 is provided with first adjustable resistor 15 and is connected the 7th patch jack 15a and the 8th patch jack 15b at first adjustable resistor, 15 two ends by lead;
The below, right side of panel 1 is provided with second adjustable resistor 16 and is connected the 9th patch jack 16a and the tenth patch jack 16b at second adjustable resistor, 16 two ends by lead;
The downside middle part of panel 1 is set side by side with the 3rd adjustable resistor 17, the 4th adjustable resistor 18, the 3rd adjustable resistor 17 limits are provided with the 11 patch jack 17a and the 12 patch jack 17b, the 4th adjustable resistor 18 limits are provided with the 13 patch jack 18a and the 14 patch jack 18b, wherein the 11 patch jack 17a and the 12 patch jack 17b are connected the two ends of the 3rd adjustable resistor 17 by lead, and the 13 patch jack 18a and the 14 patch jack 18b are connected the two ends of the 4th adjustable resistor 18 by lead;
Above-mentioned various connection lead, adjustable resistance, direct supply all are contained in the cavity of lower box 51.
And, be provided with lockset 6 between lower box 51 and the upper box 52.
In order to satisfy the needs of various physics DC circuit experiments, the resistance of first adjustable resistor 15 is 1～9999 Ω, and is respectively 1～9 by four resistances, and 10～90,100～900,1000～9000 adjustable resistance 15c, 15d, 15e, 15f are in series; The resistance of second adjustable resistor 16 is 1～999 Ω, and is respectively 1～9 by three resistances, and 10～90,100～900 adjustable resistance 16c, 16d, 16ef are in series; The resistance of the 3rd adjustable resistor 17 is 0.1～999.9 Ω, and is respectively 0.1～0.9 by four resistances, and 1～9,10～90,100～900 adjustable resistance 17c, 17d, 17e, 17f are in series; The resistance of the 4th adjustable resistor 18 is 0.1～999.9 Ω, and is respectively 0.1～0.9 by four resistances, and 1～9,10～90,100～900 adjustable resistance 18c, 18d, 18e, 18f are in series.
Utilizing provides designing physical direct-current circuit laboratory box can carry out following experiment in the embodiment of the invention:
Experiment one: the voltammetry ammeter inner connection, referring to shown in Figure 3.Between the first patch jack 11a and the 3rd patch jack 12a, between the first patch jack 11a and the 5th patch jack 13a, link to each other with the instant-plugging lead between the second patch jack 11b and the 6th patch jack 13b, be connected first adjustable resistor 15 with the instant-plugging lead between the second patch jack 11b and the 4th patch jack 12b, second adjustable resistor 16, the 3rd adjustable resistor 17, any one adjustable resistor in the 4th adjustable resistor 18, promptly when selecting first adjustable resistor 15, be connected with the instant-plugging lead between the 4th patch jack 12b and the 7th patch jack 15a, be connected with the instant-plugging lead between the 8th patch jack 15b and the second patch jack 11b; When selecting second adjustable resistor 16, be connected with the instant-plugging lead between the 4th patch jack 12b and the 9th patch jack 16a, be connected with the instant-plugging lead between the tenth patch jack 16b and the second patch jack 11b; When selecting the 3rd adjustable resistor 17, be connected with the instant-plugging lead between the 4th patch jack 12b and the 11 patch jack 17a, be connected with the instant-plugging lead between the 12 patch jack 17b and the second patch jack 11b; When selecting the 4th adjustable resistor 18, be connected with the instant-plugging lead between the 4th patch jack 12b and the 13 patch jack 18a, be connected with the instant-plugging lead between the 14 patch jack 18b and the second patch jack 11b.
Experiment two: the voltammetry external ammeter, referring to shown in Figure 4.Link to each other with the instant-plugging lead between the first patch jack 11a and the 5th patch jack 13a, link to each other with the instant-plugging lead between the second patch jack 11b and the 3rd patch jack 12a, link to each other with the instant-plugging lead between the 4th patch jack 12b and the 6th patch jack 13b, between the 3rd patch jack 12a and the 4th patch jack 12b, be connected first adjustable resistor 15 with the instant-plugging lead, second adjustable resistor 16, the 3rd adjustable resistor 17, any one adjustable resistor in the 4th adjustable resistor 18, promptly when selecting first adjustable resistor 15, be connected with the instant-plugging lead between the 3rd patch jack 12a and the 7th patch jack 15a, be connected with the instant-plugging lead between the 8th patch jack 15b and the 4th patch jack 12b; When selecting second adjustable resistor 16, be connected with the instant-plugging lead between the 3rd patch jack 12a and the 9th patch jack 16a, be connected with the instant-plugging lead between the tenth patch jack 16b and the 4th patch jack 12b; When selecting the 3rd adjustable resistor 17, be connected with the instant-plugging lead between the 3rd patch jack 12a and the 11 patch jack 17a, be connected with the instant-plugging lead between the 12 patch jack 17b and the 4th patch jack 12b; When selecting the 4th adjustable resistor 18, be connected with the instant-plugging lead between the 3rd patch jack 12a and the 13 patch jack 18a, be connected with the instant-plugging lead between the 14 patch jack 18b and the 4th patch jack 12b.
Experiment three: direct current wheatstone bridge circuit, verifiable electric bridge is referring to shown in Figure 5.Between the 5th patch jack 13a and the 7th patch jack 15a, between the 7th patch jack 15a and the 11 patch jack 17a, between the 8th patch jack 15b and the 9th patch jack 16a, between the tenth patch jack 16b and the 14 patch jack 18b, between the 12 patch jack 17b and the 13 patch jack 18a, couple together with the instant-plugging lead between the tenth patch jack 16b and the 6th patch jack 13b, simultaneously, the 8th patch jack 15b and the 12 patch jack 17b with between be connected two patch jacks on four and half liquid crystal gauge outfits 11 or four and half liquid crystal gauge outfits, 12 limits with the instant-plugging lead, promptly when selecting four and half liquid crystal gauge outfits 11, be connected with the instant-plugging lead between the 8th patch jack 15b and the first patch jack 11a, be connected with the instant-plugging lead between the second patch jack 11b and the 12 patch jack 17b; When selecting four and half liquid crystal gauge outfits 12, be connected with the instant-plugging lead between the 8th patch jack 15b and the 3rd patch jack 12a, be connected with the instant-plugging lead between the 4th patch jack 12b and the 12 patch jack 17b.
Experiment four: single range digital electronic ammeter repacking, referring to shown in Figure 6.Between the 5th patch jack 13a and the 7th patch jack 15a, between the 8th patch jack 15b and the 9th patch jack 16a, couple together with the instant-plugging lead between the tenth patch jack 16b and the 6th patch jack 13b, simultaneously, be connected two patch jacks on four and half liquid crystal gauge outfits 11 or four and half liquid crystal gauge outfits, 12 limits with the instant-plugging lead between the 7th patch jack 15a with between the 8th patch jack 15b, promptly when selecting four and half liquid crystal gauge outfits 11, be connected with the instant-plugging lead between the 7th patch jack 15a and the first patch jack 11a, be connected with the instant-plugging lead between the second patch jack 11b and the 8th patch jack 15b; When selecting four and half liquid crystal gauge outfits 12, be connected with the instant-plugging lead between seven patch jack 15a and the 3rd patch jack 12a, be connected with the instant-plugging lead between the 4th patch jack 12b and the 8th patch jack 15b.
Experiment five: single range digital voltmeter repacking, referring to shown in Figure 7.Four and half liquid crystal gauge outfits 11 or four and half liquid crystal gauge outfits 12 are connected the two ends that are connected direct supply in first adjustable resistor 15, second adjustable resistor 16, the 3rd adjustable resistor 17, the 4th adjustable resistor 18 behind any one adjustable resistor.
Experiment six: the repacking of multirange digital multimeter, referring to shown in Figure 8.The negative pole of direct supply is connected the 6th patch jack 13b place, and the 5th patch jack 13a optionally is connected first terminals 81, second terminals 82, the 3rd terminals 83, the 4th terminals 84, the 5th terminals 85, the 6th terminals 86 places in the experimental circuit shown in Figure 8 according to the needs of range.
When the 5th patch jack 13a is connected first terminals 81, the method of attachment of chamber is in the present embodiment: between the 6th patch jack 13b and seven patch jack 15a, between the 8th patch jack 15b and the 9th patch jack 16a, between the tenth patch jack 16b and the 11 patch jack 17a, between the 12 patch jack 17b and the 13 patch jack 18a, between the 14 patch jack 18b and the first patch jack 11a, be connected with the instant-plugging lead between the second patch jack 11b and the seven patch jack 15a, and first terminals 81 are the 8th patch jack 15b, are about to be connected with the instant-plugging lead between the 5th patch jack 13a and the 8th patch jack 15b;
When the 5th patch jack 13a is connected second terminals 82, the method of attachment of chamber is in the present embodiment: between the 6th patch jack 13b and seven patch jack 15a, between the 8th patch jack 15b and the 9th patch jack 16a, between the tenth patch jack 16b and the 11 patch jack 17a, between the 12 patch jack 17b and the 13 patch jack 18a, between the 14 patch jack 18b and the first patch jack 11a, be connected with the instant-plugging lead between the second patch jack 11b and the seven patch jack 15a, and second terminals 82 are the tenth patch jack 16b, are about to be connected with the instant-plugging lead between the 5th patch jack 13a and the tenth patch jack 16b;
When the 5th patch jack 13a is connected the 3rd terminals 83, the method of attachment of chamber is in the present embodiment: between the 6th patch jack 13b and seven patch jack 15a, between the 8th patch jack 15b and the 9th patch jack 16a, between the tenth patch jack 16b and the 11 patch jack 17a, between the 12 patch jack 17b and the 13 patch jack 18a, between the 14 patch jack 18b and the first patch jack 11a, be connected with the instant-plugging lead between the second patch jack 11b and the seven patch jack 15a, and the 3rd terminals 83 are the 12 patch jack 17b, are about to be connected with the instant-plugging lead between the 5th patch jack 13a and the 12 patch jack 17b;
When the 5th patch jack 13a is connected the 4th terminals 84, the method of attachment of chamber is in the present embodiment: with resistance R 1, resistance R 2, resistance R 3 is merged into a resistor, in the present embodiment, resistance R 1, resistance R 2, resistance R 3 is merged into first adjustable resistor 15, at this moment, between the 6th patch jack 13b and the 7th patch jack 15a, be connected with the instant-plugging lead between the 8th patch jack 15b and the 11 patch jack 17a, four and half liquid crystal gauge outfits 11 or four and half liquid crystal gauge outfits, 12 connections, second adjustable resistor, 16 backs are connected between the 7th patch jack 15a and the 8th patch jack 15b with the instant-plugging lead, at this moment, and the 4th terminals 84 are the 12 patch jack 17b, are about to be connected with the instant-plugging lead between the 5th patch jack 13a and the 12 patch jack 17b;
When the 5th patch jack 13a is connected the 5th terminals 85, the method of attachment of chamber is in the present embodiment: with resistance R 1, resistance R 2, resistance R 3 is merged into a resistor, resistance R 1 in the present embodiment, resistance R 2, resistance R 3 is merged into first adjustable resistor 15, at this moment, between the 6th patch jack 13b and the 7th patch jack 15a, between the 8th patch jack 15b and the 9th patch jack 16a, be connected with the instant-plugging lead between the tenth patch jack 16b and the 11 patch jack 18a, four and half liquid crystal gauge outfits 11 or four and half liquid crystal gauge outfits, 12 connections the 3rd adjustable resistor, 17 backs are connected between the 7th patch jack 15a and the 8th patch jack 15b with the instant-plugging lead, at this moment, and the 5th terminals 85 are the 14 patch jack 18b, are about to be connected with the instant-plugging lead between the 5th patch jack 13a and the 14 patch jack 18b;
When the 5th patch jack 13a is connected the 6th terminals 86, the method of attachment of chamber is in the present embodiment: with resistance R 1, resistance R 2, resistance R 3 is merged into a resistor, with resistance R 4, resistance R 5, resistance R 6 is also merged into a resistor, resistance R 1 in the present embodiment, resistance R 2, resistance R 3 is merged into first adjustable resistor 15, resistance R 4, resistance R 5,6 of resistance R are merged into second adjustable resistor 16, at this moment, between the 6th patch jack 13b and the 7th patch jack 15a, be connected with the instant-plugging lead between the 8th patch jack 15b and the 9th patch jack 16a, four and half liquid crystal gauge outfits 11 or four and half liquid crystal gauge outfits, 12 connections the 3rd adjustable resistor, 17 backs are connected between the 7th patch jack 15a and the 8th patch jack 15b with the instant-plugging lead, at this moment, and the 6th terminals 86 are the tenth patch jack 16b, are about to be connected with the instant-plugging lead between the 5th patch jack 13a and the tenth patch jack 16b.
Experiment seven: direct-flow double bridge, referring to shown in Figure 9.Owing in this experimental circuit six resistance R 1, R2, R3, R4, R5, R6 and a testing resistance silk r are arranged, can will four adjustable resistors that provide in the chamber of four resistance employing present embodiments in six resistance be arranged among the figure, two other resistance then adopts the resistance of external known resistance, and the method for attachment in its method of attachment and the above-mentioned experiment is similar.Certainly, also resistance R among the figure 2 and resistance R 5 can be merged into a resistor, resistance R among the figure 4 and resistance R 6 are also merged into a resistor, the method for attachment in its method of attachment and the above-mentioned experiment is similar.
Claims (4)
1, a kind of designing physical direct-current circuit laboratory box includes a panel (1), it is characterized in that:
The top, left side of described panel (1) is provided with one or four half LED gauge outfits (11) and is connected first patch jack (11a) and second patch jack (11b) at these four and half LED gauge outfit (11) two ends by lead;
The top, right side of described panel (1) is provided with one or four half liquid crystal gauge outfits (12) and is connected the 3rd patch jack (12a) and the 4th patch jack (12b) at these four and half liquid crystal gauge outfit (12) two ends by lead;
The upside middle part of described panel (1) has been arranged side by side power switch (14), direct supply size adjustment button (13) and the 5th patch jack (13a), the 6th patch jack (13b), wherein be connected direct supply size adjustment button (13) both sides by lead between the 5th patch jack (13a), the 6th patch jack (13b), direct supply, direct supply size adjustment button (13) and power switch (14) then connect successively by lead;
The below, left side of described panel (1) is provided with first adjustable resistor (15) and is connected the 7th patch jack (15a) and the 8th patch jack (15b) at first adjustable resistor (15) two ends by lead;
The below, right side of described panel (1) is provided with second adjustable resistor (16) and is connected the 9th patch jack (16a) and the tenth patch jack (16b) at second adjustable resistor (16) two ends by lead;
The downside middle part of described panel (1) is set side by side with the 3rd adjustable resistor (17), the 4th adjustable resistor (18), the 3rd adjustable resistor (17) limit is provided with the 11 patch jack (17a) and the 12 patch jack (17b), the 4th adjustable resistor (18) limit is provided with the 13 patch jack (18a) and the 14 patch jack (18b), wherein the 11 patch jack (17a) and the 12 patch jack (17b) are connected the two ends of the 3rd adjustable resistor (17) by lead, and the 13 patch jack (18a) and the 14 patch jack (18b) are connected the two ends of the 4th adjustable resistor (18) by lead.
2, designing physical direct-current circuit laboratory box according to claim 1, it is characterized in that: the resistance of described first adjustable resistor (15) is 1～9999 Ω, and be respectively 1～9 by four resistances, 10～90,100～900,1000～9000 adjustable resistance (15c, 15d, 15e, 15f) is in series; The resistance of described second adjustable resistor (16) is 1～999 Ω, and is respectively 1～9 by three resistances, and 10～90,100～900 adjustable resistance (16c, 16d, 16ef) is in series; The resistance of described the 3rd adjustable resistor (17) is 0.1～999.9 Ω, and is respectively 0.1～0.9 by four resistances, 1～9,10～90, and 100～900 adjustable resistance (17c, 17d, 17e, 17f) is in series; The resistance of described the 4th adjustable resistor (18) is 0.1～999.9 Ω, and is respectively 0.1～0.9 by four resistances, 1～9,10～90, and 100～900 adjustable resistance (18c, 18d, 18e, 18f) is in series.
3, designing physical direct-current circuit laboratory box according to claim 2, it is characterized in that: described panel (1) is fixed in the chest (5), this chest (5) is made up of lower box (51) and upper box (52), the surface of the lower box (51) that described panel (1) is fixed on, described various connection leads, adjustable resistance, direct supply all are contained in the cavity of lower box (51).
4, designing physical direct-current circuit laboratory box according to claim 3 is characterized in that being provided with lockset (6) between described lower box (51) and the upper box (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201652958U CN201274113Y (en) | 2008-10-09 | 2008-10-09 | Design type physical DC circuit experiment box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201652958U CN201274113Y (en) | 2008-10-09 | 2008-10-09 | Design type physical DC circuit experiment box |
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| Publication Number | Publication Date |
|---|---|
| CN201274113Y true CN201274113Y (en) | 2009-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201652958U Expired - Fee Related CN201274113Y (en) | 2008-10-09 | 2008-10-09 | Design type physical DC circuit experiment box |
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| CN (1) | CN201274113Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794121A (en) * | 2014-01-24 | 2014-05-14 | 华南理工大学 | Portable electronic experimental box |
| CN105390054A (en) * | 2015-12-31 | 2016-03-09 | 单森培 | Box for high school electrical experiment |
| CN107037391A (en) * | 2017-06-14 | 2017-08-11 | 太原工业学院 | Novel and multifunctional electric meter refitting and calibration experiments instrument |
-
2008
- 2008-10-09 CN CNU2008201652958U patent/CN201274113Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794121A (en) * | 2014-01-24 | 2014-05-14 | 华南理工大学 | Portable electronic experimental box |
| CN105390054A (en) * | 2015-12-31 | 2016-03-09 | 单森培 | Box for high school electrical experiment |
| CN107037391A (en) * | 2017-06-14 | 2017-08-11 | 太原工业学院 | Novel and multifunctional electric meter refitting and calibration experiments instrument |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20101009 |