CN203278794U - Configurable one-input-two-output analog quantity signal multiplier - Google Patents
Configurable one-input-two-output analog quantity signal multiplier Download PDFInfo
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- CN203278794U CN203278794U CN 201320344431 CN201320344431U CN203278794U CN 203278794 U CN203278794 U CN 203278794U CN 201320344431 CN201320344431 CN 201320344431 CN 201320344431 U CN201320344431 U CN 201320344431U CN 203278794 U CN203278794 U CN 203278794U
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Abstract
The utility model provides a configurable one-input-two-output analog quantity signal multiplier which comprises an input signal conditioning unit, a first output signal isolation module, a second output signal isolation module, a first output signal conditioning unit, and a second output signal conditioning unit. An external analog quantity electric signal, first, is sent to the input signal conditioning unit for signal conditioning, and is respectively transmitted to the first output signal isolation module and the second output signal isolation module to obtain a first isolation output signal and a second isolation output signal; the first isolation output signal is transmitted to the first output signal conditioning unit and the second isolation output signal is transmitted to the second output signal conditioning unit; and then the first output signal conditioning unit outputs a first analog quantity signal and the second output signal conditioning unit outputs the second analog quantity signal. The configurable one-input-two-output analog quantity signal multiplier simplifies the signal acquisition system design, improves the system configuration flexibility, and reduces the signal acquisition system cost.
Description
Technical field
The utility model relates to analog signals isolation and conversion field, and specifically a kind of configurable one enters two and goes out the analog quantity signal multiplier.
Background technology
The analog signals acquisition system is the core component of current automation control appliance, for reliability and the accuracy that improves acquisition system, analog signals need to be isolated and change, in automation control system design at present, the special use isolation change-over circuit of analog signals being isolated and changed general employing specific customization, circuit design is comparatively complicated, and precision is low, versatility is poor, cost is high.Therefore, in order to simplify the acquisition system design, improve precision and reliability, realize generalization, reduce costs, must design a kind of high reliability, low cost, unitized novel analog amount signal multiplier.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of high accuracy, high reliability, unitized novel configurable analog signals multiplier, can improve analog signals acquisition system reliability and versatility, reduces system cost.
a kind of configurable one enters two goes out the analog quantity signal multiplier, comprise the input signal conditioning unit, first via output signal isolation module, the the second tunnel output signal isolation module, first via output signal conditioning unit, the the second tunnel output signal conditioning unit, the output of input signal conditioning unit and first via output signal isolation module be connected the input of road output signal isolation module and be connected, first via output signal isolation module be connected road output signal isolation module output respectively with first via output signal conditioning unit be connected the input of road output signal conditioning unit and be connected.
as above configurable one enters two goes out the analog quantity signal multiplier, and the input signal conditioning unit is by signal input terminal P1, 10 plucking number sign switch SW1, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and operational amplifier U1 form, and external analog amount signal is by the input access of signal input terminal P1, the output of P1 respectively with plucking number sign switch SW1A, SW1B and SW1C input are connected, and the SW1A output is connected with an end of resistance R 1, an end of SW1B output and resistance R 2 and plucking number sign switch SW1E input, the other end of resistance R 1 is connected, an end of plucking number sign switch SW1C output and resistance R 3, plucking number sign switch SW1D, the SW1F input is connected, resistance R 2, R3, the other end of R4 is connected with signal ground, plucking number sign switch SW1E, the SW1F output is connected with operational amplifier U1 in-phase input end, and operational amplifier U1 inverting input is by resistance R 5 ground connection, plucking number sign switch SW1G, SW1H, SW1I respectively with resistance R 6, R7, R8 connects rear and is connected between operational amplifier U1 inverting input and output, and operational amplifier U1 output is connected with an end of resistance R 9, and the 5V voltage source is through plucking number sign switch SW1J, resistance R 10 is connected with the other end of resistance R 9, and resistance R 10 is connected respectively the input of first via output signal isolation module and the input of the second tunnel output signal isolation module with the node of resistance R 9.
As above configurable one enters two goes out the analog quantity signal multiplier, described first via output signal isolation module mainly is comprised of ISO124 isolator U2,1～5V voltage signal of input signal conditioning unit output, send into ISO124 isolator U2 input, after isolation, be linked into first via output signal conditioning unit input.
As above configurable one enters two goes out the analog quantity signal multiplier, and described the second tunnel output signal isolation module mainly is comprised of ISO124 isolator U3.1～5V voltage signal of input signal conditioning unit output is sent into ISO124 isolator U3 input, after isolation, is linked into the second tunnel output signal conditioning unit input.
as above configurable one enters two goes out the analog quantity signal multiplier, described first via output signal conditioning unit, by operational amplifier U4, resistance R 11, R13, the amplifying circuit that potentiometer R15 builds, operational amplifier U6, resistance R 17, R19, R20, the subtracter that R23 builds, XTR111 signal conversion chip U8, MOS switching tube Q1, resistance R 25, R26, R30, R31, plucking number sign switch SW2C, the accurate voltage circuit conversion circuit that SW2D builds and first via signal output terminal P2 form, wherein amplification circuit output end connects respectively subtracter and plucking number sign switch SW2A input, the subtracter output connects plucking number sign switch SW2B input, plucking number sign switch SW2A, the SW2B output connects accurate voltage circuit conversion circuit input end, accurate voltage circuit conversion circuit output end is connected with first via signal output terminal P2.
as above configurable one enters two goes out the analog quantity signal multiplier, described the second tunnel output signal conditioning unit, by operational amplifier U5, resistance R 12, R14, the amplifying circuit that potentiometer R16 builds, operational amplifier U7, resistance R 18, R21, R22, the subtracter that R24 builds, XTR111 signal conversion chip U9, MOS switching tube Q2, resistance R 27, R28, R23, R34, plucking number sign switch SW3C, the accurate voltage circuit conversion circuit that SW3D builds, the the second road signal output terminal P3 forms, amplification circuit output end connects respectively subtracter and plucking number sign switch SW3A input, the subtracter output connects toggle switch SW3B input, toggle switch SW3A, the SW3B output connects accurate voltage circuit conversion circuit input end, accurate voltage circuit conversion circuit output end is connected with the second road signal output terminal P3.
The utility model provides configurable one enters two and goes out the analog quantity signal multiplier, and at first the external analog amount signal of telecommunication enters the input signal conditioning unit, carries out signal condition; Send into respectively again first via output signal isolation module and the second tunnel output signal isolation module, obtain first via rfpa output signal and the second road rfpa output signal; Then the output signal after the two-way isolation enters respectively first via output signal conditioning unit and the second tunnel output signal conditioning unit, exports respectively at last first via analog signals and the second road analog signals.The utility model has been simplified the signal acquiring system design, has improved the system configuration flexibility ratio, has reduced the signal acquiring system cost.
Description of drawings
Fig. 1 is that the utility model configurable enters two circuit theory diagrams that go out the analog quantity signal multiplier;
Fig. 2 is that in the utility model input signal conditioning unit, the plucking number sign switch configuration arranges figure.
In figure: 1-input signal conditioning unit; 2-first via output signal isolation module; 3-the second tunnel output signal isolation module; 4-first via output signal conditioning unit; 5-the second tunnel output signal conditioning unit; The P1-signal input terminal; P2-first via signal output terminal; P3-the second road signal output terminal; SW1, SW2, SW3-toggle switch; U1, U4, U5, U6, U7-operational amplifier; U2, U3-isolator; U8, U9-accurate voltage current converter; Q1, Q2-MOS pipe; R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R30, R31, R33, R34-resistance; R15, R16, R29, R32-potentiometer.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
please refer to Fig. 1, the utility model configurable one enters two and goes out the analog quantity signal multiplier and comprise input signal conditioning unit 1, first via output signal isolation module 2, the the second tunnel output signal isolation module 3, first via output signal conditioning unit 4, the the second tunnel output signal conditioning unit 5, the output of input signal conditioning unit 1 and first via output signal isolation module 2 be connected the input of road output signal isolation module 3 and be connected, first via output signal isolation module 2 be connected road output signal isolation module 3 output respectively with first via output signal conditioning unit 4 be connected the input of road output signal conditioning unit 5 and be connected.
Described input signal conditioning unit 1 is the configurable input signal conditioning circuit that is made of 10 plucking number sign switch SW1, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and operational amplifier U1.external analog amount signal is by signal input terminal P1 access, the output of P1 respectively with plucking number sign switch SW1A, SW1B and SW1C input are connected, and the SW1A output is connected with an end of resistance R 1, an end of SW1B output and resistance R 2 and toggle switch SW1E input, the other end of resistance R 1 is connected, an end of toggle switch SW1C output and resistance R 3, toggle switch SW1D, the SW1F input is connected, resistance R 2, R3, the other end of R4 is connected with signal ground, toggle switch SW1E, the SW1F output is connected with operational amplifier U1 in-phase input end, and operational amplifier U1 inverting input is by resistance R 5 ground connection, toggle switch SW1G, SW1H, SW1I respectively with resistance R 6, R7, R8 connects rear and is connected between operational amplifier U1 inverting input and output, and operational amplifier U1 output is connected with an end of resistance R 9, and the 5V voltage source is through toggle switch SW1J, resistance R 10 is connected with the other end of resistance R 9, and resistance R 10 is connected respectively the input of first via output signal isolation module 2 and the input of the second tunnel output signal isolation module 3 with the node of resistance R 9.Voltage or the current analog amount signal of the different amplitude ranges of outside input, in process input signal conditioning unit 1, configuration is pulled out code configuration (as shown in Figure 2), be converted into 1～5V voltage signal, be input to respectively the input of first via output signal isolation module 2 and the second tunnel output signal isolation module 3.
First via output signal isolation module 2 mainly is made of ISO124 isolation operational amplifier U2; The the second tunnel output signal isolation module 3 mainly is made of ISO124 isolation operational amplifier U3.
First via output signal conditioning unit 4, the amplifying circuit that is mainly built by operational amplifier U4, resistance R 11, R13, potentiometer R15, the subtracter that operational amplifier U6, resistance R 17, R19, R20, R23 build, accurate voltage circuit conversion circuit and first via signal output terminal P2 that XTR111 signal conversion chip U8, MOS switching tube Q1, resistance R 26, R31, plucking number sign switch SW2C, SW2D build form.Wherein amplification circuit output end connects respectively subtracter and toggle switch SW2A input, the subtracter output connects toggle switch SW2B input, toggle switch SW2A, SW2B output connect accurate voltage circuit conversion circuit input end, and accurate voltage circuit conversion circuit output end is connected with first via signal output terminal P2.1～5V voltage signal by 2 outputs of first via output signal isolation module, be input to the input of U4, send into simultaneously the subtracter input after amplifying, SW2B is connected with the subtracter output, the accurate voltage circuit conversion circuit input end that after SW2A and SW2B output short circuit, access is made of R25, R26, R30, R31, U8, Q1, SW2C, SW2D and P2, accurate voltage circuit conversion circuit output end is connected with first via signal output terminal P2.By SW2A and SW2B are set, can select whether to access subtracter and do subtraction, by SW2C and SW2D are set, can select output signal type (voltage or electric current) and output signal maximum amplitude.
The the second tunnel output signal conditioning unit 5, the amplifying circuit that is mainly built by operational amplifier U5, resistance R 12, R14, potentiometer R16, the subtracter that operational amplifier U7, resistance R 18, R21, R22, R24 build, accurate voltage circuit conversion circuit, the second road signal output terminal P3 that XTR111 signal conversion chip U9, MOS switching tube Q2, resistance R 27, R28, R23, R34, plucking number sign switch SW3C, SW3D build form.Wherein amplification circuit output end connects respectively subtracter and plucking number sign switch SW3A input, the subtracter output connects plucking number sign switch SW3B input, plucking number sign switch SW3A, SW3B output connect accurate voltage circuit conversion circuit input end, and accurate voltage circuit conversion circuit output end is connected with the second road signal output terminal P3.1～5V voltage signal by the second tunnel output signal isolation module 3 outputs, be input to the input of U5, send into simultaneously the subtracter input after amplifying, SW3B is connected with the subtracter output, access accurate voltage circuit conversion circuit input end after SW3A and SW3B output short circuit, accurate voltage circuit conversion circuit output end is connected with the second road signal output terminal P3.By SW3A and SW3B are set, can select whether to access subtracter and do subtraction, by SW3C and SW3D are set, can select output signal type (voltage or electric current) and output signal maximum amplitude (as shown in Figure 2).
At first the external analog amount signal of telecommunication enters input signal conditioning unit 1, carries out signal condition; Send into respectively again first via output signal isolation module 2 and the second tunnel output signal isolation module 3, obtain first via rfpa output signal and the second road rfpa output signal; Then the output signal after the two-way isolation enters respectively first via output signal conditioning unit 4 and the second tunnel output signal conditioning unit 5, exports respectively at last first via analog signals and the second road analog signals.The utility model provides a kind of configurable one to enter two and go out the analog quantity signal multiplier, has simplified the signal acquiring system design, has improved the system configuration flexibility ratio, has reduced the signal acquiring system cost.
The utility model compared with prior art its beneficial effect and advantage is:
1, in traditional design, need the complicated isolating amplifier circuit of design and conditioning change-over circuit, circuit design is comparatively complicated, and precision is low, cost is high; The utility model adopts integrated ISO124 isolating chip, and precision is high, and peripheral modulate circuit is simple, and cost is low.
2, in traditional design, the input/output signal type can not be selected, and generally when design, input/output signal type and form are just fixing, and versatility is not strong; The utility model adopts configurable design concept, and the input/output signal type can according to the field environment, be selected highly versatile by the configuration plucking number sign switch.
3, in traditional design, general employing one enters a form that outes, and current most industry system, requiring the analog signals loop to have electrical isolation and enters two and goes out function, namely one tunnel analog quantity can be divided into the two-way analog signals, use and the remote monitoring system use for respectively local real-time control system, and electrical isolation between input and each road output channel, traditional like this design just need two independently analog quantity isolation modular converter combine and could realize, volume is greatly, cost is high; And the utility model adopts one road signal input, and the form of two paths of signals output adopts a multiplier module can satisfy most industry system one and enters two demands that go out, and system is simple, and volume is little, cost is low.
Claims (6)
1. one kind configurable one enters two and goes out the analog quantity signal multiplier, it is characterized in that: comprise input signal conditioning unit (1), first via output signal isolation module (2), the the second tunnel output signal isolation module (3), first via output signal conditioning unit (4), the the second tunnel output signal conditioning unit (5), the output of input signal conditioning unit (1) and first via output signal isolation module (2) be connected the input of road output signal isolation module (3) and be connected, first via output signal isolation module (2) be connected road output signal isolation module (3) output respectively with first via output signal conditioning unit (4) be connected the input of road output signal conditioning unit (5) and be connected.
2. as claimed in claim 1 configurable one enters two and goes out the analog quantity signal multiplier, and it is characterized in that: input signal conditioning unit (1) is by signal input terminal P1, 10 plucking number sign switch SW1, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10 and operational amplifier U1 form, and external analog amount signal is by the input access of signal input terminal P1, the output of P1 respectively with toggle switch SW1A, SW1B and SW1C input are connected, and the SW1A output is connected with an end of resistance R 1, an end of SW1B output and resistance R 2 and toggle switch SW1E input, the other end of resistance R 1 is connected, an end of toggle switch SW1C output and resistance R 3, plucking number sign switch SW1D, the SW1F input is connected, resistance R 2, R3, the other end of R4 is connected with signal ground, plucking number sign switch SW1E, the SW1F output is connected with operational amplifier U1 in-phase input end, and operational amplifier U1 inverting input is by resistance R 5 ground connection, plucking number sign switch SW1G, SW1H, SW1I respectively with resistance R 6, R7, R8 connects rear and is connected between operational amplifier U1 inverting input and output, and operational amplifier U1 output is connected with an end of resistance R 9, and the 5V voltage source is through plucking number sign switch SW1J, resistance R 10 is connected with the other end of resistance R 9, and resistance R 10 is connected respectively the input of first via output signal isolation module (2) and the input of the second tunnel output signal isolation module (3) with the node of resistance R 9.
3. as claimed in claim 1 configurable one enters two and goes out the analog quantity signal multiplier, it is characterized in that: described first via output signal isolation module (2) mainly is comprised of ISO124 isolator U2,1～5V voltage signal of input signal conditioning unit (1) output, send into ISO124 isolator U2 input, through being linked into first via output signal conditioning unit (4) input after isolation.
4. as claimed in claim 1 configurable one enters two and goes out the analog quantity signal multiplier, it is characterized in that: described the second tunnel output signal isolation module (3) mainly is comprised of ISO124 isolator U3,1～5V voltage signal of input signal conditioning unit (1) output, send into ISO124 isolator U3 input, through being linked into the second tunnel output signal conditioning unit (5) input after isolation.
5. as claimed in claim 1 configurable one enters two and goes out the analog quantity signal multiplier, it is characterized in that: described first via output signal conditioning unit (4), by operational amplifier U4, resistance R 11, R13, the amplifying circuit that potentiometer R15 builds, operational amplifier U6, resistance R 17, R19, R20, the subtracter that R23 builds, XTR111 signal conversion chip U8, MOS switching tube Q1, resistance R 25, R26, R30, R31, plucking number sign switch SW2C, the accurate voltage circuit conversion circuit that SW2D builds and first via signal output terminal P2 form, wherein amplification circuit output end connects respectively subtracter and toggle switch SW2A input, the subtracter output connects toggle switch SW2B input, toggle switch SW2A, the SW2B output connects accurate voltage circuit conversion circuit input end, accurate voltage circuit conversion circuit output end is connected with first via signal output terminal P2.
6. as claimed in claim 1 configurable one enters two and goes out the analog quantity signal multiplier, it is characterized in that: described the second tunnel output signal conditioning unit (5), by operational amplifier U5, resistance R 12, R14, the amplifying circuit that potentiometer R16 builds, operational amplifier U7, resistance R 18, R21, R22, the subtracter that R24 builds, XTR111 signal conversion chip U9, MOS switching tube Q2, resistance R 27, R28, R23, R34, plucking number sign switch SW3C, the accurate voltage circuit conversion circuit that SW3D builds, the the second road signal output terminal P3 forms, amplification circuit output end connects respectively subtracter and toggle switch SW3A input, the subtracter output connects plucking number sign switch SW3B input, plucking number sign switch SW3A, the SW3B output connects accurate voltage circuit conversion circuit input end, accurate voltage circuit conversion circuit output end is connected with the second road signal output terminal P3.
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| CN 201320344431 CN203278794U (en) | 2013-06-17 | 2013-06-17 | Configurable one-input-two-output analog quantity signal multiplier |
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| CN 201320344431 CN203278794U (en) | 2013-06-17 | 2013-06-17 | Configurable one-input-two-output analog quantity signal multiplier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533422A (en) * | 2017-01-04 | 2017-03-22 | 四川埃姆克伺服科技有限公司 | Analog quantity conditioning circuit |
| CN110071699A (en) * | 2019-04-24 | 2019-07-30 | 中国科学院合肥物质科学研究院 | A kind of quick high-frequency current amplifier |
-
2013
- 2013-06-17 CN CN 201320344431 patent/CN203278794U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533422A (en) * | 2017-01-04 | 2017-03-22 | 四川埃姆克伺服科技有限公司 | Analog quantity conditioning circuit |
| CN110071699A (en) * | 2019-04-24 | 2019-07-30 | 中国科学院合肥物质科学研究院 | A kind of quick high-frequency current amplifier |
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Effective date of registration: 20221228 Address after: 430070 4th floor, Beigang Village Industrial Park, No. 36, Shucheng Road, Hongshan District, Wuhan City, Hubei Province Patentee after: Three Gorges Zhikong Technology Co.,Ltd. Address before: 430070 No. 36 Bookstore Road, Hongshan District, Hubei, Wuhan Patentee before: THREE GORGES NENGSHIDA ELECTRIC Co.,Ltd. |
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Granted publication date: 20131106 |