CN205142178U - Low -power consumption isolated form MBUS is from quick -witted - Google Patents
Low -power consumption isolated form MBUS is from quick -witted Download PDFInfo
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- CN205142178U CN205142178U CN201520934493.6U CN201520934493U CN205142178U CN 205142178 U CN205142178 U CN 205142178U CN 201520934493 U CN201520934493 U CN 201520934493U CN 205142178 U CN205142178 U CN 205142178U
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Abstract
The utility model discloses a low -power consumption isolated form MBUS is from quick -witted, include signal conversion processing module and prevent joining conversely module and signal isolation module rather than the signal that is connected respectively, still include and prevent joining conversely the voltage stabilizing module that the module is connected with the signal, the signal interface module includes MBUS signal interface and TTL signal interface, MBUS signal interface is connected with the host computer through the MBUS bus, to signal conversion processing module input and output MBUS signal, TTL signal interface is connected with the quick -witted display module of follow, to signal conversion processing module input and output TTL level signal, signal conversion processing module changes MBUS processing circuit and MBUS commentaries on classics TTL processing circuit including parallelly connected TTL, the utility model provides a but the interference is scurried into to low -power consumption isolated form MBUS is from quick -witted effective isolation bus, and anti electromagnetic interference ability is showing and strengthens, and the consumption reduces to 1.2MA, and energy -conserving effect is showing.
Description
Technical field
The utility model relates to hotlist data collecting field, is specifically related to a kind of low-power consumption isolated form MBUS from machine.
Background technology
In recent years, along with popularizing gradually of hotlist, the application based on MBUS bus long-distance meter-reading system is more and more extensive, and MBUS, i.e. MeterBUS, also known as family meter bus.How to refer to from structure MBUS host apparatus: gather the hotlist data in a regional extent, and deliver to remote host by MBUS host apparatus, carry out control operation by remote host to the MBUS main frame in this region and hotlist, described hotlist is MBUS from machine.
Existing MBUS is higher from machine power consumption, for 1.5MA, TTL wherein turns MBUS signal processing circuit and MBUS and turns TTL signal processing circuit and be made up of triode and resistance, electric capacity, although communication function requirement can be met, but anti-electromagnetic interference capability is very weak, from the electromagnetic interference of MBUS bus very easily by having an impact from dynamo-electric road to the normal work from machine.
Therefore, need badly and improve above-mentioned defect, the MBUS that power consumption is lower to develop, antijamming capability is stronger is from machine.
Utility model content
In order to overcome the problems referred to above, present inventor has performed and study with keen determination, design a kind of low-power consumption isolated form MBUS from machine, in the change-over circuit of TTL and MBUS signal, adopt operational amplifier to carry out signal amplification and conversion, set up the signal isolation circuit comprising photoelectrical coupler, effective isolation bus scurries into interference, and antijamming capability significantly strengthens, and lower power consumption is to 1.2MA.
The purpose of this utility model is to provide a kind of low-power consumption isolated form MBUS from machine, comprise Voltage stabilizing module, the anti-reverse module of signal, Signal interface module, signal conversion processes module and signal isolation module, it is characterized in that, described Voltage stabilizing module is connected with the anti-reverse module of signal, described signal conversion processes module respectively module anti-reverse with signal is connected with signal isolation module
Described Signal interface module comprises MBUS signaling interface and TTL signaling interface, described MBUS signaling interface is connected with main frame by MBUS bus, to signal conversion processes module input and output MBUS signal, described TTL signaling interface is connected with from machine display module, to signal conversion processes module input and output Transistor-Transistor Logic level signal
Described signal conversion processes module comprises TTL in parallel and turns MBUS signal processing circuit and MBUS turns TTL signal processing circuit.
The anti-reverse module of described signal comprises MBUS signal reverse-connection preventing circuit, and described MBUS signaling interface is connected with signal conversion processes module by MBUS signal reverse-connection preventing circuit.
Described signal isolation module comprises signal isolation circuit, and described TTL signaling interface is connected with signal conversion processes module by signal isolation circuit.
Described signal isolation module comprises two signal isolation circuit, and described TTL turns MBUS signal processing circuit and turns TTL signal processing circuit with MBUS and be connected with a signal isolation circuit separately.
Described TTL turns MBUS signal processing circuit as shown in Figure 4, comprises operational amplifier, diode, resistance and electric capacity, for Transistor-Transistor Logic level signal is converted to MBUS signal.
Described MBUS turns TTL signal processing circuit as shown in Figure 4, comprises operational amplifier, diode, resistance and electric capacity, for MBUS signal is converted to Transistor-Transistor Logic level signal.
Described operational amplifier is SGM358 chip.
Described signal isolation circuit as shown in Figure 4, comprises photoelectrical coupler and resistance, by mutually isolated for the input and output of signal, and has anti-interference function.
Described photoelectrical coupler is EL816 chip.
Described MBUS signal reverse-connection preventing circuit as shown in Figure 2, comprises transient supression diode and bridge rectifier, has anti-reverse and protective circuit effect.
The beneficial effect that the utility model has comprises:
The low-power consumption isolated form MBUS that the utility model provides adopts operational amplifier to carry out signal amplification and conversion from machine the change-over circuit of TTL and MBUS signal, and between signal conversion processes module and TTL signaling interface, set up the signal isolation circuit comprising photoelectrical coupler, effective isolation bus scurries into interference, anti-electromagnetic wave interference performance significantly strengthens, and lower power consumption is to 1.2MA, energy-saving effect is remarkable.
Accompanying drawing explanation
Fig. 1 illustrates that low-power consumption isolated form MBUS that the utility model provides is from the composition of machine and annexation schematic diagram;
Fig. 2 illustrates the MBUS signal reverse-connection preventing circuit figure of the utility model preferred implementation;
Fig. 3 illustrates the voltage stabilizing circuit figure of the utility model preferred implementation;
Fig. 4 illustrates that the TTL of utility model preferred implementation turns MBUS signal processing circuit, MBUS turns TTL signal processing circuit and signal isolation circuit figure.
Embodiment
Below by the drawings and specific embodiments, the utility model is further described.Illustrated by these, feature of the present utility model and advantage will become more explicit.
According to the utility model, provide a kind of low-power consumption isolated form MBUS from machine, comprise Voltage stabilizing module, the anti-reverse module of signal, Signal interface module, signal conversion processes module and signal isolation module.
Wherein, described Voltage stabilizing module is connected with the anti-reverse module of signal, and described signal conversion processes module respectively module anti-reverse with signal is connected with signal isolation module.
As shown in Figure 1, described Signal interface module comprises MBUS signaling interface and TTL signaling interface, described MBUS signaling interface is connected with main frame by MBUS bus, to signal conversion processes module input and output MBUS signal, and the information transfering action between machine at MBUS main frame and MBUS; Described TTL signaling interface is connected with from machine display module, to signal conversion processes module input and output Transistor-Transistor Logic level signal, collects MBUS and is sent to MBUS main frame from machine information, and information is being shown from machine display module.
Described signal conversion processes module comprises TTL in parallel and turns MBUS signal processing circuit and MBUS turns TTL signal processing circuit.
Described TTL turns MBUS signal processing circuit as shown in Figure 4, comprise operational amplifier, diode, resistance and electric capacity, wherein, Transistor-Transistor Logic level signal is converted to the MBUS signal of same frequency square wave by described operational amplifier from sine wave, be then sent to MBUS signaling interface through MBUS signal reverse-connection preventing circuit.
Described MBUS turns TTL signal processing circuit as shown in Figure 4, comprise operational amplifier, diode, resistance and electric capacity, wherein, MBUS signal is converted to the Transistor-Transistor Logic level signal of same frequency sine wave by described operational amplifier from square wave, be then sent to TTL signaling interface through signal isolation circuit.
Described operational amplifier is preferably SGM358 chip.
Described signal isolation module comprises signal isolation circuit, and described TTL signaling interface is connected with signal conversion processes module by signal isolation circuit.
Described signal isolation module comprises two signal isolation circuit, and described TTL turns MBUS signal processing circuit and turns TTL signal processing circuit with MBUS and be connected with a signal isolation circuit separately.
Described signal isolation circuit as shown in Figure 4, comprises photoelectrical coupler and resistance, and wherein, photoelectrical coupler, by mutually isolated for the input and output of signal, makes signal one-way transmission, has good electrical isolation capabilities and anti-electromagnetic wave interference performance.
Described photoelectrical coupler is preferably EL816 chip.
The anti-reverse module of described signal comprises MBUS signal reverse-connection preventing circuit, and described MBUS signaling interface is connected with signal conversion processes module by MBUS signal reverse-connection preventing circuit.
According in preferred implementation of the present utility model, as shown in Figure 2, described MBUS signal reverse-connection preventing circuit comprises transient supression diode and bridge rectifier.
Wherein, described transient supression diode plays anti-reverse effect, when there is power supply or electric elements reversal connection in circuit, the high energy impact events of moment is stood at the two ends of transient supression diode, it reduces direct impedance suddenly with high speed, absorb surge current, the voltage clamp at its two ends is numerically predetermined at one, thus guarantee that circuit element is thereafter from transient state high-octane impact two damage.
Capable AC electricity is converted to direct current to supply whole MBUS from dynamo-electric road by described bridge rectifier, and inhibit signal unidirectional delivery, suppresses the inflow of surge signal simultaneously, plays a protective role to electronic circuit thereafter.
The model of described transient supression diode is preferably SMAJ40CA, and the model of described bridge rectifier is preferably MB6S.
Described Voltage stabilizing module comprises voltage stabilizing circuit, according in preferred implementation of the present utility model, as shown in Figure 3, described voltage stabilizing circuit comprises pressurizer, triode, diode, resistance and electric capacity, wherein, described pressurizer supply voltage that is fluctuation is comparatively large and the requirement of inadequacy electric equipment is stabilized in range of set value, keep stable output voltage, overcome the problem causing front end user overtension and terminal temperature difference brownout owing to designing the reasons such as bad or electricity shortage, various electric elements in circuit normally can be worked under rated operational voltage.
The model of described pressurizer is preferably RH5RL36A.
The above-mentioned MBUS that the utility model provides is 1.2MA from the power consumption of machine, be starkly lower than the power consumption of existing MBUS from machine 1.5MA, this is significant for many MBUS long-distance meter-reading systems from structure, significantly can reduce the power consumption levels of whole system, reach energy-saving effect.
In description of the present utility model, it should be noted that, term " on ", " interior ", the orientation of the instruction such as "front", "rear" or position relationship be based on the orientation under utility model works state or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
More than in conjunction with preferred implementation and exemplary example, the utility model is described in detail.But it is to be understood that, these embodiments are only to illustrative explanations of the present utility model, do not form any restriction to protection range of the present utility model.When not exceeding the utility model spirit and protection range, can carry out various improvement, equivalencing or modification to the utility model technology contents and execution mode thereof, these all fall in protection range of the present utility model.Protection range of the present utility model is as the criterion with claims.
Claims (10)
1. a low-power consumption isolated form MBUS is from machine, comprise Voltage stabilizing module, the anti-reverse module of signal, Signal interface module, signal conversion processes module and signal isolation module, it is characterized in that, described Voltage stabilizing module is connected with the anti-reverse module of signal, described signal conversion processes module respectively module anti-reverse with signal is connected with signal isolation module
Described Signal interface module comprises MBUS signaling interface and TTL signaling interface, described MBUS signaling interface is connected with main frame by MBUS bus, to signal conversion processes module input and output MBUS signal, described TTL signaling interface is connected with from machine display module, to signal conversion processes module input and output Transistor-Transistor Logic level signal
Described signal conversion processes module comprises TTL in parallel and turns MBUS signal processing circuit and MBUS turns TTL signal processing circuit.
2. low-power consumption isolated form MBUS according to claim 1 is from machine, it is characterized in that, the anti-reverse module of described signal comprises MBUS signal reverse-connection preventing circuit, and described MBUS signaling interface is connected with signal conversion processes module by MBUS signal reverse-connection preventing circuit.
3. low-power consumption isolated form MBUS according to claim 2 is from machine, it is characterized in that, described signal isolation module comprises signal isolation circuit, and described TTL signaling interface is connected with signal conversion processes module by signal isolation circuit.
4. low-power consumption isolated form MBUS according to claim 3 is from machine, it is characterized in that, described signal isolation module comprises two signal isolation circuit, and described TTL turns MBUS signal processing circuit and turns TTL signal processing circuit with MBUS and be connected with a signal isolation circuit separately.
5. low-power consumption isolated form MBUS according to claim 4 is from machine, it is characterized in that, described TTL turns MBUS signal processing circuit and comprises operational amplifier, diode, resistance and electric capacity, for Transistor-Transistor Logic level signal is converted to MBUS signal.
6. low-power consumption isolated form MBUS according to claim 4 is from machine, it is characterized in that, described MBUS turns TTL signal processing circuit and comprises operational amplifier, diode, resistance and electric capacity, for MBUS signal is converted to Transistor-Transistor Logic level signal.
7. the low-power consumption isolated form MBUS according to claim 5 or 6, from machine, is characterized in that, described operational amplifier is SGM358 chip.
8. low-power consumption isolated form MBUS according to claim 7 is from machine, and it is characterized in that, described signal isolation circuit comprises photoelectrical coupler and resistance, by mutually isolated for the input and output of signal, and has anti-interference function.
9. low-power consumption isolated form MBUS according to claim 8 is from machine, it is characterized in that, described photoelectrical coupler is EL816 chip.
10. low-power consumption isolated form MBUS according to claim 9 is from machine, it is characterized in that, described MBUS signal reverse-connection preventing circuit comprises transient supression diode and bridge rectifier, has anti-reverse and protective circuit effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934493.6U CN205142178U (en) | 2015-11-20 | 2015-11-20 | Low -power consumption isolated form MBUS is from quick -witted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520934493.6U CN205142178U (en) | 2015-11-20 | 2015-11-20 | Low -power consumption isolated form MBUS is from quick -witted |
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| CN205142178U true CN205142178U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520934493.6U Expired - Fee Related CN205142178U (en) | 2015-11-20 | 2015-11-20 | Low -power consumption isolated form MBUS is from quick -witted |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398716A (en) * | 2020-11-12 | 2021-02-23 | 深圳云顶智慧科技有限公司 | Low-cost MBUS host circuit |
| CN112564724A (en) * | 2020-11-20 | 2021-03-26 | 浙江正泰仪器仪表有限责任公司 | MBUS host computer receiving circuit |
-
2015
- 2015-11-20 CN CN201520934493.6U patent/CN205142178U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398716A (en) * | 2020-11-12 | 2021-02-23 | 深圳云顶智慧科技有限公司 | Low-cost MBUS host circuit |
| CN112564724A (en) * | 2020-11-20 | 2021-03-26 | 浙江正泰仪器仪表有限责任公司 | MBUS host computer receiving circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20181120 |