CN202548595U - Variable selection device of tandem type two-terminal elements - Google Patents
Variable selection device of tandem type two-terminal elements Download PDFInfo
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- CN202548595U CN202548595U CN2012201001277U CN201220100127U CN202548595U CN 202548595 U CN202548595 U CN 202548595U CN 2012201001277 U CN2012201001277 U CN 2012201001277U CN 201220100127 U CN201220100127 U CN 201220100127U CN 202548595 U CN202548595 U CN 202548595U
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- spdt
- throw switch
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Abstract
The utility model discloses a variable selection device of tandem type two-terminal elements. The variable selection device comprises at least two two-terminal elements, at least two analog single-pole double-throw switches and a logic controller for controlling the conducting states of the two analog single-pole double-throw switches; the logic controller controls the conducting states of the two analog single-pole double-throw switches to control the number of the two-terminal elements serially connected into a circuit. The two-terminal elements are changed accurately in real time, a user can control the conductive states of the analog single-pole double-throw switches only by regulating the logic controller in the variable selection device of the tandem type two-terminal elements, the two-terminal element with the definite value required by the circuit can be obtained, and research and development as well as test of a laboratory are greatly facilitated. Furthermore, a variable circuit module of the tandem type two-terminal elements can also be manufactured by connecting outside a serial peripheral interface (SPI), so that the two-terminal elements are standardized, large-scale production is implemented, and the operation and application of the user are also greatly facilitated.
Description
Technical field
The utility model relates to electronic technology field, particularly a kind of variable selecting arrangement of tandem two-terminal element.
Background technology
The slip-stick artist is generally in design circuit; Just set the size of two-terminal element; Two-terminal element is an example with resistance, electric capacity and inductance, but the production technology of existing resistance, electric capacity and inductance and production specification can not be realized resistance, appearance value and inductance value that some circuit need.And in side circuit; Usually need adjust the size of two-terminal element in the circuit; Like resistance, the appearance value of electric capacity and the inductance value of inductance of needs adjustment resistance, and traditional variable two-terminal element is the adjustment through physical characteristics; For example adjust magnitude of voltage or utilize properties of materials adjustment, realize the size variation of two-terminal element.Utilize the two-terminal element of said method adjustment, can't accurately determine the size of corresponding resistance, appearance value and inductance value of two-terminal element such as resistance, electric capacity and inductance, more can not be changed to the definite value of the required two-terminal element of user fast.
Thereby prior art is still waiting to improve and improve.
The utility model content
In view of the weak point of above-mentioned prior art, the purpose of the utility model is to provide a kind of variable selecting arrangement of tandem two-terminal element, can change the size of two-terminal element fast, accurately reaches the required definite value of user.
In order to achieve the above object, the utility model has been taked following technical scheme:
A kind of variable selecting arrangement of tandem two-terminal element wherein, comprising:
At least two two-terminal elements; At least two simulation single-pole double-throw switch (SPDT)s and the logic controller that is used to control said at least two simulation single-pole double-throw switch (SPDT) conducting states;
One end of said first two-terminal element connects the input end of said variable selecting arrangement; The other end of first two-terminal element connects the armature contact of the said first simulation single-pole double-throw switch (SPDT), and first fixed contact of the said first simulation single-pole double-throw switch (SPDT) connects the armature contact of the said second simulation single-pole double-throw switch (SPDT) through second two-terminal element; The first fixed contact ground connection of the said second simulation single-pole double-throw switch (SPDT); Second fixed contact of the first simulation single-pole double-throw switch (SPDT) is connected the output terminal of said variable selecting arrangement with second fixed contact of the second simulation single-pole double-throw switch (SPDT), said logic controller connects the control end of the first simulation single-pole double-throw switch (SPDT) and the control end of the second simulation single-pole double-throw switch (SPDT).
Above-mentioned variable selecting arrangement wherein, also comprises the 3rd two-terminal element and the 3rd simulation single-pole double-throw switch (SPDT);
Said the 3rd simulation single-pole double-throw switch (SPDT) and said the 3rd two-terminal element are connected between first fixed contact and ground of the second simulation single-pole double-throw switch (SPDT) successively; Wherein, One end of the 3rd two-terminal element connects first fixed contact of the second simulation single-pole double-throw switch (SPDT); The other end of the 3rd two-terminal element connects the armature contact of the 3rd simulation single-pole double-throw switch (SPDT); The first fixed contact ground connection of said the 3rd simulation single-pole double-throw switch (SPDT), second fixed contact of the 3rd simulation single-pole double-throw switch (SPDT) connects the output terminal of said variable selecting arrangement, and said logic controller connects the control end of the 3rd simulation single-pole double-throw switch (SPDT).
Above-mentioned variable selecting arrangement wherein, also comprises the 4th two-terminal element and the 4th simulation single-pole double-throw switch (SPDT);
Said the 4th simulation single-pole double-throw switch (SPDT) and said the 4th two-terminal element are connected between first fixed contact and ground of the 3rd simulation single-pole double-throw switch (SPDT) successively; Wherein, One end of the 4th two-terminal element connects first fixed contact of said the 3rd simulation single-pole double-throw switch (SPDT); The other end connects the armature contact of the 4th simulation single-pole double-throw switch (SPDT); The first fixed contact ground connection of said the 4th simulation single-pole double-throw switch (SPDT), second fixed contact of the 4th simulation single-pole double-throw switch (SPDT) connects the output terminal of said variable selecting arrangement, and said logic controller connects the control end of the 4th simulation single-pole double-throw switch (SPDT).
Above-mentioned variable selecting arrangement wherein, also comprises SPI interface (Serial Peripheral Interface, i.e. Serial Peripheral Interface (SPI)).
Above-mentioned variable selecting arrangement, wherein, said two-terminal element is an inductance.
Above-mentioned variable selecting arrangement, wherein, said two-terminal element is an electric capacity.
Above-mentioned variable selecting arrangement, wherein, said two-terminal element is a resistance.
Compared to prior art; The variable selecting arrangement of a kind of tandem two-terminal element that the utility model provides; Owing to adopted the conducting state of logic controller control analog switch to select the two-terminal element of definite value, realized the tandem compound of different two-terminal elements, thereby realized two-terminal element such as corresponding resistance, appearance value and the inductance value size of resistance, electric capacity and inductance; And can calculate its accurate definite value, provide convenient greatly to the user.
Description of drawings
Fig. 1 is the theory diagram of first preferred embodiment of the variable selecting arrangement of the utility model tandem two-terminal element.
Fig. 2 is the theory diagram of second preferred embodiment of the variable selecting arrangement of the utility model tandem two-terminal element.
Fig. 3 is the theory diagram of the 3rd preferred embodiment of the variable selecting arrangement of the utility model tandem two-terminal element.
Fig. 4 is the circuit structure diagram of first application implementation example (when two-terminal element is inductance) of the variable selecting arrangement of the utility model tandem two-terminal element.
Fig. 5 is the circuit structure diagram of second application implementation example (when two-terminal element is resistance) of the variable selecting arrangement of the utility model tandem two-terminal element.
Fig. 6 is the circuit structure diagram of the 3rd application implementation example (when two-terminal element is electric capacity) of the variable selecting arrangement of the utility model tandem two-terminal element.
Embodiment
The utility model provides a kind of variable selecting arrangement of tandem two-terminal element, for purpose, technical scheme and the effect that makes the utility model is clearer, clear and definite, below develops simultaneously embodiment to the utility model further explain with reference to accompanying drawing.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The variable selecting arrangement of a kind of tandem two-terminal element that the utility model provides comprises: at least two two-terminal elements; At least two simulation single-pole double-throw switch (SPDT)s and logic controller through two simulation single-pole double-throw switch (SPDT) conducting states of logic controller control, are realized the two-terminal element series connection.In the specific implementation; Said variable selecting arrangement can also adopt three two-terminal elements and three simulation single-pole double-throw switch (SPDT)s; Realize the quantity of three two-terminal element series connection places in circuit; Further, can adopt four two-terminal elements and four simulation single-pole double-throw switch (SPDT)s, control the quantity of four two-terminal element series connection places in circuit.
As shown in Figure 1, Fig. 1 is the theory diagram of the utility model first preferred embodiment.The variable selecting arrangement of a kind of tandem two-terminal element that the utility model first preferred embodiment provides comprises first two-terminal element 111, second two-terminal element 112, the first simulation single-pole double-throw switch (SPDT) S1, second simulation single-pole double-throw switch (SPDT) S2 and the logic controller 120, and logic controller 120 is used to control the said first simulation single-pole double-throw switch (SPDT) S1 and the second simulation single-pole double-throw switch (SPDT) S2 conducting state.
One end of said first two-terminal element 111 connects the input end of said variable selecting arrangement 100; The other end of first two-terminal element 111 connects the armature contact a1 of the said first simulation single-pole double-throw switch (SPDT) S1, and the first fixed contact b1 of the said first simulation single-pole double-throw switch (SPDT) S1 connects the armature contact a2 of the said second simulation single-pole double-throw switch (SPDT) S2 through second two-terminal element 112; The first fixed contact b2 ground connection of the said second simulation single-pole double-throw switch (SPDT) S2; The second fixed contact c1 of the first simulation single-pole double-throw switch (SPDT) S1 is connected the output terminal of said variable selecting arrangement 100 with the second fixed contact c2 of the second simulation single-pole double-throw switch (SPDT) S2; Said logic controller 120 connects the control end d1 of the first simulation single-pole double-throw switch (SPDT) S1 and the control end d2 of the second simulation single-pole double-throw switch (SPDT) S2, is used to control the switch conduction state of the said first simulation single-pole double-throw switch (SPDT) S1 and the second simulation single-pole double-throw switch (SPDT) S2.
In the present embodiment; The user can be according to the value of two two-terminal elements; Being provided with needs definite value; The armature contact a1 that controls among the said first simulation single-pole double-throw switch (SPDT) S1 through logic controller 120 connects its first fixed contact b1 or the second fixed contact c1, and the armature contact a2 that controls among the second simulation single-pole double-throw switch (SPDT) S2 connects its first fixed contact b2 or the second fixed contact c2.When the armature contact a1 among the first simulation single-pole double-throw switch (SPDT) S1 connected its second fixed contact c1, said first two-terminal element 111 was connected between the input end and output terminal of said variable selecting arrangement 100, makes first two-terminal element, 111 places in circuit.When the armature contact a1 among the first simulation single-pole double-throw switch (SPDT) S1 connects its first fixed contact b1; Armature contact a2 among the second simulation single-pole double-throw switch (SPDT) S2 connects its second fixed contact c2 simultaneously; Said first two-terminal element 111 and second two-terminal element 112 are connected in series between the input end and output terminal of said variable selecting arrangement 100 successively, make the place in circuit of connecting of first two-terminal element 111 and second two-terminal element 112.By on can know; The utility model first preferred embodiment is through the armature contact of each simulation single-pole double-throw switch (SPDT) of logic controller 120 controls and the conducting state of fixed contact; Not only realized first two-terminal element, 111 independent places in circuit, also realized the connect place in circuit of first two-terminal element 111 with second two-terminal element 112.
Further; Logic controller 120 has SPI interface 121 described in the said variable selecting arrangement 100, utilizes above-mentioned SPI interface 121 can above-mentioned variable selecting arrangement 100 be made module, makes it standardization; Make things convenient for large-scale production, and greatly facilitate user's use.
See also Fig. 2, it is the theory diagram of the utility model second preferred embodiment.The part inequality of itself and above-mentioned first preferred embodiment only is that said variable selecting arrangement 100 also comprises the 3rd two-terminal element 113 and the 3rd simulation single-pole double-throw switch (SPDT) S3.Said the 3rd simulation single-pole double-throw switch (SPDT) S3 and said the 3rd two-terminal element 113 are connected between the first fixed contact b2 and ground of the second simulation single-pole double-throw switch (SPDT) S2 successively; Wherein, One end of the 3rd two-terminal element 113 connects the first fixed contact b2 of the second simulation single-pole double-throw switch (SPDT) S2; The other end of the 3rd two-terminal element 113 connects the armature contact a3 of the 3rd simulation single-pole double-throw switch (SPDT) S3; The first fixed contact b3 ground connection of said the 3rd simulation single-pole double-throw switch (SPDT) S3, the second fixed contact c3 of the 3rd simulation single-pole double-throw switch (SPDT) S3 connects the output terminal of said variable selecting arrangement 100.Said logic controller 120 connects the control end d3 of the 3rd simulation single-pole double-throw switch (SPDT) S3.
The armature contact a3 that the variable selecting arrangement 100 that the utility model second preferred embodiment provides is controlled among the 3rd simulation single-pole double-throw switch (SPDT) S3 through logic controller 120 connects its first fixed contact b3 or the second fixed contact c3.Through the armature contact of each simulation single-pole double-throw switch (SPDT) of logic controller 120 controls and the conducting state of fixed contact; On the basis of above-mentioned first preferred embodiment, first two-terminal element 111, second two-terminal element 112 and the 3rd two-terminal element 113 series connection places in circuit have also been realized.
See also Fig. 3, it is the theory diagram of the utility model the 3rd preferred embodiment.Itself and the above-mentioned second preferred embodiment difference only are that said variable selecting arrangement 100 also comprises the 4th two-terminal element 114 and the 4th simulation single-pole double-throw switch (SPDT) S4; Said the 4th simulation single-pole double-throw switch (SPDT) S4 and said the 4th two-terminal element 114 are connected between the first fixed contact b3 and ground of the 3rd simulation single-pole double-throw switch (SPDT) S3 successively; Wherein, One end of said the 4th two-terminal element 114 connects the first fixed contact b3 of the 3rd simulation single-pole double-throw switch (SPDT) S3; The other end connects the armature contact a4 of the 4th simulation single-pole double-throw switch (SPDT) S4; The first fixed contact b4 ground connection of said the 4th simulation single-pole double-throw switch (SPDT) S4, the second fixed contact c4 of the 4th simulation single-pole double-throw switch (SPDT) S4 connects the output terminal of said variable selecting arrangement 100, and said logic controller 120 connects the control end d4 of the 4th simulation single-pole double-throw switch (SPDT) S4.
The armature contact a4 that the variable selecting arrangement 100 that the utility model the 3rd preferred embodiment provides is controlled among the 4th simulation single-pole double-throw switch (SPDT) S4 through logic controller 120 connects its first fixed contact b4 or the second fixed contact c4.Through the armature contact of each simulation single-pole double-throw switch (SPDT) of logic controller control and the conducting state of fixed contact; On the basis of above-mentioned second preferred embodiment, also realized the series connection of first two-terminal element 111, second two-terminal element 112, the 3rd two-terminal element 113 and the 4th two-terminal element 114.
According to above-mentioned three preferred embodiments; Those of ordinary skills can be through two-terminal element quantity and the corresponding increase simulation single-pole double-throw switch (SPDT) that increases series connection; Realize the series connection of more two-terminal elements; Can also on the basis of simulation single-pole double-throw switch (SPDT), increase combination and variation that a cutter multithrow switch increases two-terminal element.
When concrete the application, said two-terminal element can be inductance, resistance or electric capacity.As shown in Figure 4, it is the circuit structure diagram of the utility model first application implementation example.Have four simulation single-pole double-throw switch (SPDT)s (i.e. the first simulation single-pole double-throw switch (SPDT) S1, the second simulation single-pole double-throw switch (SPDT) S2, the 3rd simulation single-pole double-throw switch (SPDT) S3 and the 4th simulation single-pole double-throw switch (SPDT) S4) and four inductance (first inductance L 1, second inductance L 2, the 3rd inductance L 3 and the 4th inductance L 4) at this variable selecting arrangement; One end of said first inductance L 1 connects the input end of said variable selecting arrangement 100, and the other end connects the armature contact a1 of the said first simulation single-pole double-throw switch (SPDT) S1.One end of said second inductance L 2 connects the first fixed contact b1 of the first simulation single-pole double-throw switch (SPDT) S1, and the other end connects the armature contact a2 of the said second simulation single-pole double-throw switch (SPDT) S2.One end of said the 3rd inductance L 3 connects the first fixed contact b2 of the second simulation single-pole double-throw switch (SPDT) S2, and the other end connects the armature contact a3 of said the 3rd simulation single-pole double-throw switch (SPDT) S3.One end of said the 4th inductance L 4 connects the first fixed contact b3 of the 3rd simulation single-pole double-throw switch (SPDT) S3; The other end connects the armature contact a4 of said the 4th simulation single-pole double-throw switch (SPDT) S4, and second fixed contact of four simulation single-pole double-throw switch (SPDT)s all connects the output terminal of variable selecting arrangement 100.
When the armature contact a1 of the logic controller 120 controls first simulation single-pole double-throw switch (SPDT) S1 contacts its second fixed contact c1, first inductance L, 1 place in circuit.Similar; Its first fixed contact of armature contact a1 contact b1 as the logic controller 120 controls first simulation single-pole double-throw switch (SPDT) S1; When controlling its second fixed contact of armature contact a2 contact c2 of the second simulation single-pole double-throw switch (SPDT) S2 simultaneously, first inductance L 1 place in circuit of connecting with second inductance L 2.Conducting state through four simulation single-pole double-throw switch (SPDT)s of logic controller 120 control realizes different inductance value, and the inductance value under four simulation single-pole double-throw switch (SPDT) different state is shown in table one.In table; Next stage inductance (promptly simulating its first fixed contact of armature contact contact in the single-pole double-throw switch (SPDT)) is connected in 0 expression, and the output terminal (promptly simulating its second fixed contact of armature contact contact in the single-pole double-throw switch (SPDT)) of variable selecting arrangement is connected in 1 expression.
| S1 | S2 | S3 | S4 | L |
| 0 | 0 | 0 | 0 | Break off |
| 0 | 0 | 0 | 1 | L1, L2, L3, L4 series connection |
| 0 | 0 | 1 | 0 | L1, L2, L3 series connection |
| 0 | 1 | 0 | 0 | L1, the |
| 1 | 0 | 0 | 0 | L1 |
Table one
Fig. 5 is the circuit structure diagram of the utility model second application implementation example (two-terminal element is a resistance); Be based in this application truth example; The conducting state of logic controller control simulation single-pole double-throw switch (SPDT) realizes that the principle of different resistance values is identical with the principle of above-mentioned application implementation example, repeats no more here.
When Fig. 6 is electric capacity for two-terminal element; The circuit diagram of variable selecting arrangement; Be based in this application truth example, the conducting state of logic controller control simulation single-pole double-throw switch (SPDT) realizes that the principle of different capacitances is identical with the principle of above-mentioned application implementation example, repeats no more here.
In sum; The variable selecting arrangement of a kind of tandem two-terminal element that the utility model provides; Because the simulation single-pole double-throw switch (SPDT) that has adopted two-terminal element, has been connected with two-terminal element; And pass through logic controller control and simulate the conducting state of single-pole double-throw switch (SPDT), the quantity of control two-terminal element series connection place in circuit, and can calculate its accurate definite value.Two-terminal element is an example with inductance, resistance and electric capacity; The utility model has realized that the accurate in real time of inductance value, resistance value and capacitance size changes; The user only need be provided with the conducting state of logic controller control simulation single-pole double-throw switch (SPDT) in the variable selecting arrangement of the two-terminal element that the utility model provides; Just can obtain the required inductance value of circuit, resistance value and capacitance, greatly facilitate the laboratory and research and develop test.Further, can also pick out, make the adjusted circuit module of a tandem two-terminal element, make its standardization, realize large-scale production, greatly facilitate manipulating of user through the SPI interface.
It is understandable that; Concerning those of ordinary skills; Can be equal to replacement or change according to the technical scheme and the utility model design thereof of the utility model, and all these changes or replacement all should belong to the protection domain of the appended claim of the utility model.
Claims (7)
1. the variable selecting arrangement of a tandem two-terminal element is characterized in that, comprising:
At least two two-terminal elements; At least two simulation single-pole double-throw switch (SPDT)s and the logic controller that is used to control said at least two simulation single-pole double-throw switch (SPDT) conducting states;
One end of said first two-terminal element connects the input end of said variable selecting arrangement; The other end of first two-terminal element connects the armature contact of the said first simulation single-pole double-throw switch (SPDT), and first fixed contact of the said first simulation single-pole double-throw switch (SPDT) connects the armature contact of the said second simulation single-pole double-throw switch (SPDT) through second two-terminal element; The first fixed contact ground connection of the said second simulation single-pole double-throw switch (SPDT); Second fixed contact of the first simulation single-pole double-throw switch (SPDT) is connected the output terminal of said variable selecting arrangement with second fixed contact of the second simulation single-pole double-throw switch (SPDT), said logic controller connects the control end of the first simulation single-pole double-throw switch (SPDT) and the control end of the second simulation single-pole double-throw switch (SPDT).
2. variable selecting arrangement according to claim 1 is characterized in that, also comprises the 3rd two-terminal element and the 3rd simulation single-pole double-throw switch (SPDT);
Said the 3rd simulation single-pole double-throw switch (SPDT) and said the 3rd two-terminal element are connected between first fixed contact and ground of the second simulation single-pole double-throw switch (SPDT) successively; Wherein, One end of the 3rd two-terminal element connects first fixed contact of the second simulation single-pole double-throw switch (SPDT); The other end of the 3rd two-terminal element connects the armature contact of the 3rd simulation single-pole double-throw switch (SPDT); The first fixed contact ground connection of said the 3rd simulation single-pole double-throw switch (SPDT), second fixed contact of the 3rd simulation single-pole double-throw switch (SPDT) connects the output terminal of said variable selecting arrangement, and said logic controller connects the control end of the 3rd simulation single-pole double-throw switch (SPDT).
3. variable selecting arrangement according to claim 2 is characterized in that, also comprises the 4th two-terminal element and the 4th simulation single-pole double-throw switch (SPDT);
Said the 4th simulation single-pole double-throw switch (SPDT) and said the 4th two-terminal element are connected between first fixed contact and ground of the 3rd simulation single-pole double-throw switch (SPDT) successively; Wherein, One end of the 4th two-terminal element connects first fixed contact of said the 3rd simulation single-pole double-throw switch (SPDT); The other end connects the armature contact of the 4th simulation single-pole double-throw switch (SPDT); The first fixed contact ground connection of said the 4th simulation single-pole double-throw switch (SPDT), second fixed contact of the 4th simulation single-pole double-throw switch (SPDT) connects the output terminal of said variable selecting arrangement, and said logic controller connects the control end of the 4th simulation single-pole double-throw switch (SPDT).
4. according to any described variable selecting arrangement of claim 1 to 3, it is characterized in that said logic controller has the SPI interface.
5. according to any described variable selecting arrangement of claim 1 to 3, it is characterized in that said two-terminal element is an inductance.
6. according to any described variable selecting arrangement of claim 1 to 3, it is characterized in that said two-terminal element is an electric capacity.
7. according to any described variable selecting arrangement of claim 1 to 3, it is characterized in that said two-terminal element is a resistance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012201001277U CN202548595U (en) | 2012-03-16 | 2012-03-16 | Variable selection device of tandem type two-terminal elements |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012201001277U CN202548595U (en) | 2012-03-16 | 2012-03-16 | Variable selection device of tandem type two-terminal elements |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018176735A1 (en) * | 2017-03-29 | 2018-10-04 | 安徽云塔电子科技有限公司 | Integrated circuit, and testing method of integrated circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018176735A1 (en) * | 2017-03-29 | 2018-10-04 | 安徽云塔电子科技有限公司 | Integrated circuit, and testing method of integrated circuit |
| US11221362B2 (en) | 2017-03-29 | 2022-01-11 | Anhui Yunta Electronic Technologies CO., LTD | Integrated circuit and test method for integrated circuit |
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Granted publication date: 20121121 Termination date: 20130316 |