CN205192555U - Start -up equipment is felt in spontaneous telex - Google Patents
Start -up equipment is felt in spontaneous telex Download PDFInfo
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- CN205192555U CN205192555U CN201520875084.3U CN201520875084U CN205192555U CN 205192555 U CN205192555 U CN 205192555U CN 201520875084 U CN201520875084 U CN 201520875084U CN 205192555 U CN205192555 U CN 205192555U
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Abstract
The utility model discloses a start -up equipment is felt in spontaneous telex, feel starting circuit unit, singlechip operating circuit, voltage stabilization circuit and transmission circuit including spontaneous telex. Electricity generation among the spontaneous telex sense starting circuit, start -up and sensing are same devices, and three kinds of functions concur, and the electricity that sends is pulse voltage, supply with singlechip work after the voltage stabilizing circuit steady voltage, and singlechip start -up work as sensor signal, as the enabling signal of singlechip, is ordered simultaneously to the power that will generate electricity, and the sensing pulse signal that the starting circuit unit sent is felt in the spontaneous telex of record in the singlechip, and the signal is sent away by the transmission circuit behind MCU processing. Has following advantage: electricity generation, start -up and sensing are that same device, three kinds of functions concur, and the power that will generate electricity as sensor signal, need not independent source of power, need not the sensor, and to the pulse power supply of singlechip discontinuity, the measurementdata is accurate.
Description
Technical field
The utility model relates to a kind of self power generation sensing and starts equipment, belongs to electronic technology field.
Background technology
Along with the development of society and the progress of science and technology, measurement instrument is towards robotization, intellectuality, electronic future development.Current industry and domestic water meter are all mechanical water meters, and water consumption accumulates instruction by one group of pointer gauge, because data are not directly perceived, check meter cumbersome; The water meter that enterprises and institutions use often is installed on underground pipeline, brings inconvenience to the work of checking meter; Mechanical water meter can not directly export water consumption electric signal, adopts computer monitor and control work to cause difficulty also to urban water supply system.Various water meter is gradually to electric-controlled type, intelligent direction development, and its more traditional various Purely mechanical fluid meters have structurally had substantial change.The maximum difference of itself and traditional various Purely mechanical fluid meters is that it will consume electric energy.
At present, there is following disadvantage in most of electronic meter: 1, electricity-generating circuit and sensing circuit separate, and generating and sensing circuit can not occur simultaneously; Need to arrange power supply, sensor in addition in the circuit of 2, gauging table, add cost; 3, the stability, reliability, serviceable life etc. of the circuit of gauging table are all lower; 4, in gauging table circuit, power supply continues to power to single-chip microcomputer, and power consumption is large, and single-chip microcomputer is subject to external interference, affects the accuracy of single-chip microcomputer stoichiometric number.
Summary of the invention
The technical problems to be solved in the utility model is for above deficiency, a kind of self power generation sensing is provided to start equipment, there is the mode of changing over by original power work, generating, startup and sensing are same devices, three kinds of functions occur simultaneously, using power generating source as transducing signal, with the electricity supply single-chip microcomputer work sent, simultaneously as the enabling signal of single-chip microcomputer, order single-chip microcomputer startup work, without the need to independent current source, without the need to sensor, the power supply of single-chip microcomputer discontinuity, continuous data is advantage accurately.
For solving above technical matters, the utility model by the following technical solutions: a kind of self power generation sensing starts equipment, comprises self power generation sensing start-up circuit.
Further, generating in described self power generation sensing start-up circuit, startup and sensing are same devices, three kinds of functions occur simultaneously, electricity-generating circuit is used for producing pulse voltage, pulse voltage is as the enabling signal of single-chip microcomputer, control single chip computer startup work, single-chip microcomputer record self power generation sensing start-up circuit sends the quantity of pulse signal, sends after treatment.
Further, described self power generation sensing start-up circuit comprises water meter runner and piezoelectric ceramics generating sheet, water meter rotatable wheel contacts piezoelectric ceramics generating sheet wherein one end, the piezoelectric ceramics generating sheet other end two electrodes are connected with voltage stable circuit, water meter runner is stirred the generating of piezoelectric ceramics generating sheet and is started, and single-chip microcomputer work, simultaneously as sensing impulse signal, added up by single-chip microcomputer, record the revolution occurred.
Further, described self power generation sensing start-up circuit comprises water meter runner and power coil, water meter runner is provided with the S pole of generating magnet steel and attraction magnet steel, water meter runner outside is provided with the N pole attracting magnet steel, generating magnet steel is through power coil cutting magnetic line generation current, and power coil connects voltage stable circuit; Water meter runner is through the generating of power coil cutting magnetic line, and single-chip microcomputer work, simultaneously as sensing impulse signal, is added up by single-chip microcomputer, records the revolution occurred.
Further, described self power generation sensing startup equipment also comprises voltage stable circuit.
Further, described voltage stable circuit comprises three-terminal voltage-stabilizing chip U4, electric capacity C4 and electric capacity C5, three-terminal voltage-stabilizing chip U4 input end pin I connects one end of self power generation sensing start-up circuit and electric capacity C4, the other end ground connection of electric capacity C4, three-terminal voltage-stabilizing chip U4 earth terminal pin G ground connection, three-terminal voltage-stabilizing chip U4 output terminal pin O connects one end of electric capacity C5, the other end ground connection of electric capacity C5.
Further, described self power generation sensing startup equipment also comprises single-chip microcomputer operating circuit.
Further, described single-chip microcomputer operating circuit comprises MC80F0604 single-chip microcomputer U1, No. 11 pins of MC80F0604 single-chip microcomputer U1 connect three-terminal voltage-stabilizing chip U4 output terminal pin O, No. 1 pin access power supply VCC of MC80F0604 single-chip microcomputer U1, No. 1 pin of MC80F0604 single-chip microcomputer U1 is connected with one end of electric capacity C6, diode D3 negative pole and diode D4 positive pole, the other end ground connection of electric capacity C6, diode D3 positive pole connects No. 2 pins of MC80F0604 single-chip microcomputer U1, the negative pole of diode D4 connects three-terminal voltage-stabilizing chip U4 output terminal pin O, No. 14 pin ground connection of MC80F0604 single-chip microcomputer U1.
Further, described self power generation sensing startup equipment also comprises transmission circuit.
Further, described transmission circuit comprises TSS721A meter bus transceiver U3, No. 8 pins of TSS721A meter bus transceiver U3 connect No. 5 pins of MC80F0604 single-chip microcomputer U1, and No. 12 pins of TSS721A meter bus transceiver U3 connect No. 6 pins of MC80F0604 single-chip microcomputer U1; No. 11 pins of TSS721A meter bus transceiver U3 connect diode D3 positive pole, and No. 11 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C3 one end and resistance R6 one end, electric capacity C3 other end ground connection, resistance R6 other end ground connection; No. 4 pins of TSS721A meter bus transceiver U3 are connected with resistance R4 one end, resistance R4 other end ground connection; No. 3 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C2 one end, electric capacity C2 other end ground connection; No. 15 pin ground connection of TSS721A meter bus transceiver U3; No. 6 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C1 one end, electric capacity C1 other end ground connection; No. 14 pins of TSS721A meter bus transceiver U3 are connected with resistance R3 one end, resistance R3 other end ground connection; No. 9 pins of TSS721A meter bus transceiver U3 are connected with resistance R5 one end, resistance R5 other end access power supply VCC; No. 16 pins of TSS721A meter bus transceiver U3 are connected with resistance R1 one end, the resistance R1 other end is connected with transient voltage suppressor TVS one end and remote meter reading communication converter MBUS one end, the transient voltage suppressor TVS other end and the remote meter reading communication converter MBUS other end are connected with resistance R2 one end, and the resistance R2 other end connects No. 1 pin of TSS721A meter bus transceiver U3.
A kind of self power generation sensing of the utility model starts equipment, and its tool has the following advantages:
1, in the utility model, generating and sensing circuit are same circuit, using the transducing signal of power generating source as record runner revolution, simultaneously as the enabling signal of single-chip microcomputer, and order single-chip microcomputer startup work;
2, the utility model is changed over by the mode of independent current source work, and generating, sensing and startup are same devices, occur simultaneously, without the need to independent current source, without the need to sensor;
3, in the utility model, the stability, reliability, cost, serviceable life etc. of circuit all obtains optimization, cost reduces more than 50%, serviceable life can increase by more than 3 times, can be widely used in the intelligent Application occasions such as Auto-counting, record, warning, monitoring.
4, in the utility model, the power supply mode of self power generation sensing start-up circuit to single-chip microcomputer operating circuit is the power supply of pulse discontinuity, makes single-chip microcomputer not power consumption at ordinary times, low in energy consumption; The power consumption of this device is microampere order Micro Energy Lose, and total power consumption is 10 microamperes, the single chip circuit of general lowest power consumption is minimum wants 200 microamperes, lower power consumption more than 20 times.
5, single-chip microcomputer instantaneous starting counting in the utility model, after completing counting, namely single-chip microcomputer is in off-position, waits for next instantaneous starting and counts, not by external interference under single-chip microcomputer off-position, counting accurately, and without the need to power supply.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Accompanying drawing 1 is that in the utility model embodiment 1 and embodiment 2, self power generation sensing starts each unit block diagram of equipment;
Accompanying drawing 2 is schematic diagram of self power generation sensing equipment in the utility model embodiment 1;
Accompanying drawing 3 is schematic diagram of self power generation sensing equipment in the utility model embodiment 2.
Embodiment
Embodiment 1, as shown in Figure 1 and Figure 2, a kind of self power generation sensing starts equipment, comprises self power generation sensing start-up circuit, single-chip microcomputer operating circuit, voltage stable circuit and transmission circuit.
Self power generation sensing start-up circuit is electrically connected with voltage stable circuit, voltage stable circuit is electrically connected with single-chip microcomputer operating circuit, single-chip microcomputer operating circuit is electrically connected with transmission circuit, generate electricity in self power generation sensing start-up circuit, startup and sensing are same devices, three kinds of functions occur simultaneously, electricity-generating circuit is used for producing pulse voltage, the electricity sent supplies single-chip microcomputer work after mu balanced circuit voltage stabilizing, using power generating source as sensing impulse signal, simultaneously as the enabling signal of single-chip microcomputer, order single-chip microcomputer startup work, the transducing signal that self power generation sensing start-up circuit sends is recorded in single-chip microcomputer, signal sends via transmission circuit.
Described self power generation sensing start-up circuit comprises water meter runner and piezoelectric ceramics generating sheet, water meter rotatable wheel contacts piezoelectric ceramics generating sheet wherein one end, and the piezoelectric ceramics generating sheet other end two electrodes are connected with voltage stable circuit.Water meter runner is stirred piezoelectric ceramics generating sheet and is generated electricity and start, single-chip microcomputer work, simultaneously as sensing impulse signal, is added up by single-chip microcomputer, records the revolution occurred.
Described voltage stable circuit comprises three-terminal voltage-stabilizing chip U4, electric capacity C4 and electric capacity C5, three-terminal voltage-stabilizing chip U4 input end pin I connects one end of the piezoelectric ceramics generating sheet other end 1 pin and electric capacity C4, the other end ground connection of electric capacity C4, three-terminal voltage-stabilizing chip U4 earth terminal pin G ground connection, three-terminal voltage-stabilizing chip U4 output terminal pin O connects one end of single-chip microcomputer operating circuit and electric capacity C5, the other end ground connection of electric capacity C5.
Described single-chip microcomputer operating circuit comprises MC80F0604 single-chip microcomputer U1, No. 11 pins of MC80F0604 single-chip microcomputer U1 connect three-terminal voltage-stabilizing chip U4 output terminal pin O, No. 1 pin access power supply VCC of MC80F0604 single-chip microcomputer U1, No. 1 pin of MC80F0604 single-chip microcomputer U1 is connected with one end of electric capacity C6, diode D3 negative pole and diode D4 positive pole, the other end ground connection of electric capacity C6, diode D3 positive pole connects No. 2 pins and the transmission circuit of MC80F0604 single-chip microcomputer U1, the negative pole of diode D4 connects three-terminal voltage-stabilizing chip U4 output terminal pin O, No. 14 pin ground connection of MC80F0604 single-chip microcomputer U1, No. 5 pins of MC80F0604 single-chip microcomputer U1 are connected transmission circuit with No. 6 pins of MC80F0604 single-chip microcomputer U1.
Described transmission circuit comprises TSS721A meter bus transceiver U3, No. 8 pins of TSS721A meter bus transceiver U3 connect No. 5 pins of MC80F0604 single-chip microcomputer U1, and No. 12 pins of TSS721A meter bus transceiver U3 connect No. 6 pins of MC80F0604 single-chip microcomputer U1; No. 11 pins of TSS721A meter bus transceiver U3 connect diode D3 positive pole, and No. 11 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C3 one end and resistance R6 one end, electric capacity C3 other end ground connection, resistance R6 other end ground connection; No. 4 pins of TSS721A meter bus transceiver U3 are connected with resistance R4 one end, resistance R4 other end ground connection; No. 3 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C2 one end, electric capacity C2 other end ground connection; No. 15 pin ground connection of TSS721A meter bus transceiver U3; No. 6 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C1 one end, electric capacity C1 other end ground connection; No. 14 pins of TSS721A meter bus transceiver U3 are connected with resistance R3 one end, resistance R3 other end ground connection; No. 9 pins of TSS721A meter bus transceiver U3 are connected with resistance R5 one end, resistance R5 other end access power supply VCC; No. 16 pins of TSS721A meter bus transceiver U3 are connected with resistance R1 one end, the resistance R1 other end is connected with transient voltage suppressor TVS one end and remote meter reading communication converter MBUS one end, the transient voltage suppressor TVS other end and the remote meter reading communication converter MBUS other end are connected with resistance R2 one end, and the resistance R2 other end connects No. 1 pin of TSS721A meter bus transceiver U3.
Principle of work: water meter cam rotates clockwise, stir the piezoelectric ceramics bending tablet with power generation characteristics, when cam is top turn over after, piezoelectric ceramics shell fragment naturally rebounds and repeatedly shakes, piezoelectric ceramic piece in this process is even supervention is electric, the electricity sent starts single-chip microcomputer and works instantaneously after mu balanced circuit voltage stabilizing, closes after record water meter cam rotates the water consumption of measuring for a week.Often circle afterwards, single-chip microcomputer work is also recorded once, and go round and begin again continuous record thus, and be accumulated in single-chip microcomputer, forms water total amount, sent by transmission circuit.
Embodiment 2, as shown in figures 1 and 3, a kind of self power generation sensing starts equipment, comprises self power generation sensing start-up circuit, single-chip microcomputer operating circuit, voltage stable circuit and transmission circuit.
Self power generation sensing start-up circuit is electrically connected with voltage stable circuit, voltage stable circuit is electrically connected with single-chip microcomputer operating circuit, single-chip microcomputer operating circuit is electrically connected with transmission circuit, in self power generation sensing start-up circuit, electricity-generating circuit and sensing circuit are same circuit, the electricity sent supplies single-chip microcomputer work after mu balanced circuit voltage stabilizing, using power generating source as transducing signal, simultaneously as the enabling signal of single-chip microcomputer, order single-chip microcomputer startup work, record the transducing signal that self power generation sensing start-up circuit sends in single-chip microcomputer, signal sends via transmission circuit.Described self power generation sensing start-up circuit comprises water meter runner and power coil, water meter runner is provided with the S pole of generating magnet steel and attraction magnet steel, water meter runner outside is provided with the N pole attracting magnet steel, generating magnet steel is through power coil cutting magnetic line generation current, and power coil connects voltage stable circuit.Water meter runner generates electricity and starts through power coil cutting magnetic line, single-chip microcomputer work, simultaneously as sensing impulse signal, is added up by single-chip microcomputer, records the revolution occurred.
Described voltage stable circuit comprises three-terminal voltage-stabilizing chip U4, electric capacity C4 and electric capacity C5, three-terminal voltage-stabilizing chip U4 input end pin I connects one end of power coil and electric capacity C4, the other end ground connection of electric capacity C4, three-terminal voltage-stabilizing chip U4 earth terminal pin G ground connection, three-terminal voltage-stabilizing chip U4 output terminal pin O connects one end of single-chip microcomputer operating circuit and electric capacity C5, the other end ground connection of electric capacity C5.
Described single-chip microcomputer operating circuit comprises MC80F0604 single-chip microcomputer U1, No. 11 pins of MC80F0604 single-chip microcomputer U1 connect three-terminal voltage-stabilizing chip U4 output terminal pin O, No. 1 pin access power supply VCC of MC80F0604 single-chip microcomputer U1, No. 1 pin of MC80F0604 single-chip microcomputer U1 is connected with one end of electric capacity C6, diode D3 negative pole and diode D4 positive pole, the other end ground connection of electric capacity C6, diode D3 positive pole connects No. 2 pins and the transmission circuit of MC80F0604 single-chip microcomputer U1, the negative pole of diode D4 connects three-terminal voltage-stabilizing chip U4 output terminal pin O, No. 14 pin ground connection of MC80F0604 single-chip microcomputer U1, No. 5 pins of MC80F0604 single-chip microcomputer U1 are connected transmission circuit with No. 6 pins of MC80F0604 single-chip microcomputer U1.
Described transmission circuit comprises TSS721A meter bus transceiver U3, No. 8 pins of TSS721A meter bus transceiver U3 connect No. 5 pins of MC80F0604 single-chip microcomputer U1, and No. 12 pins of TSS721A meter bus transceiver U3 connect No. 6 pins of MC80F0604 single-chip microcomputer U1; No. 11 pins of TSS721A meter bus transceiver U3 connect diode D3 positive pole, and No. 11 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C3 one end and resistance R6 one end, electric capacity C3 other end ground connection, resistance R6 other end ground connection; No. 4 pins of TSS721A meter bus transceiver U3 are connected with resistance R4 one end, resistance R4 other end ground connection; No. 3 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C2 one end, electric capacity C2 other end ground connection; No. 15 pin ground connection of TSS721A meter bus transceiver U3; No. 6 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C1 one end, electric capacity C1 other end ground connection; No. 14 pins of TSS721A meter bus transceiver U3 are connected with resistance R3 one end, resistance R3 other end ground connection; No. 9 pins of TSS721A meter bus transceiver U3 are connected with resistance R5 one end, resistance R5 other end access power supply VCC; No. 16 pins of TSS721A meter bus transceiver U3 are connected with resistance R1 one end, the resistance R1 other end is connected with transient voltage suppressor TVS one end and remote meter reading communication converter MBUS one end, the transient voltage suppressor TVS other end and the remote meter reading communication converter MBUS other end are connected with resistance R2 one end, and the resistance R2 other end connects No. 1 pin of TSS721A meter bus transceiver U3.
Principle of work: the S pole that generating magnet steel and attraction magnet steel are set on water meter runner, when water meter runner turns to the N pole close to attraction magnet steel time, attractive force pulls suddenly runner quick rotation forward, makes solenoid pass rapidly through power coil, makes power coil cutting magnetic line generation current.The electricity sent starts single-chip microcomputer and works instantaneously after mu balanced circuit voltage stabilizing, closes after record water meter runner rotates the water consumption of measuring for a week.Often circle afterwards, single-chip microcomputer work is also recorded once, and go round and begin again continuous record thus, and be accumulated in single-chip microcomputer, forms water total amount, sent by transmission circuit.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (9)
1. a self power generation sensing starts equipment, it is characterized in that: comprise self power generation sensing start-up circuit, generating in described self power generation sensing start-up circuit, startup and sensing are same devices, three kinds of functions occur simultaneously, electricity-generating circuit be used for produce pulse voltage, pulse voltage as the enabling signal of single-chip microcomputer, control single chip computer startup work, single-chip microcomputer record self power generation sensing start-up circuit sends the quantity of pulse signal, sends after treatment.
2. a kind of self power generation sensing as claimed in claim 1 starts equipment, it is characterized in that: described self power generation sensing start-up circuit comprises water meter runner and piezoelectric ceramics generating sheet, water meter rotatable wheel contacts piezoelectric ceramics generating sheet wherein one end, the piezoelectric ceramics generating sheet other end two electrodes are connected with voltage stable circuit, water meter runner is stirred the generating of piezoelectric ceramics generating sheet and is started, and single-chip microcomputer work, simultaneously as sensing impulse signal, added up by single-chip microcomputer, record the revolution occurred.
3. a kind of self power generation sensing as claimed in claim 1 starts equipment, it is characterized in that: described self power generation sensing start-up circuit comprises water meter runner and power coil, water meter runner is provided with the S pole of generating magnet steel and attraction magnet steel, water meter runner outside is provided with the N pole attracting magnet steel, generating magnet steel is through power coil cutting magnetic line generation current, and power coil connects voltage stable circuit; Water meter runner is through the generating of power coil cutting magnetic line, and single-chip microcomputer work, simultaneously as sensing impulse signal, is added up by single-chip microcomputer, records the revolution occurred.
4. a kind of self power generation sensing as claimed in claim 1 starts equipment, it is characterized in that: described self power generation sensing starts equipment and also comprises voltage stable circuit.
5. a kind of self power generation sensing as claimed in claim 4 starts equipment, it is characterized in that: described voltage stable circuit comprises three-terminal voltage-stabilizing chip U4, electric capacity C4 and electric capacity C5, three-terminal voltage-stabilizing chip U4 input end pin I connects one end of self power generation sensing start-up circuit and electric capacity C4, the other end ground connection of electric capacity C4, three-terminal voltage-stabilizing chip U4 earth terminal pin G ground connection, three-terminal voltage-stabilizing chip U4 output terminal pin O connects one end of electric capacity C5, the other end ground connection of electric capacity C5.
6. a kind of self power generation sensing as claimed in claim 1 starts equipment, it is characterized in that: described self power generation sensing starts equipment and also comprises single-chip microcomputer operating circuit.
7. a kind of self power generation sensing as claimed in claim 6 starts equipment, it is characterized in that: described single-chip microcomputer operating circuit comprises MC80F0604 single-chip microcomputer U1, No. 11 pins of MC80F0604 single-chip microcomputer U1 connect three-terminal voltage-stabilizing chip U4 output terminal pin O, No. 1 pin access power supply VCC of MC80F0604 single-chip microcomputer U1, No. 1 pin of MC80F0604 single-chip microcomputer U1 is connected with one end of electric capacity C6, diode D3 negative pole and diode D4 positive pole, the other end ground connection of electric capacity C6, diode D3 positive pole connects No. 2 pins of MC80F0604 single-chip microcomputer U1, the negative pole of diode D4 connects three-terminal voltage-stabilizing chip U4 output terminal pin O, No. 14 pin ground connection of MC80F0604 single-chip microcomputer U1.
8. a kind of self power generation sensing as claimed in claim 1 starts equipment, it is characterized in that: described self power generation sensing starts equipment and also comprises transmission circuit.
9. a kind of self power generation sensing as claimed in claim 8 starts equipment, it is characterized in that: described transmission circuit comprises TSS721A meter bus transceiver U3, No. 8 pins of TSS721A meter bus transceiver U3 connect No. 5 pins of MC80F0604 single-chip microcomputer U1, and No. 12 pins of TSS721A meter bus transceiver U3 connect No. 6 pins of MC80F0604 single-chip microcomputer U1; No. 11 pins of TSS721A meter bus transceiver U3 connect diode D3 positive pole, and No. 11 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C3 one end and resistance R6 one end, electric capacity C3 other end ground connection, resistance R6 other end ground connection; No. 4 pins of TSS721A meter bus transceiver U3 are connected with resistance R4 one end, resistance R4 other end ground connection; No. 3 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C2 one end, electric capacity C2 other end ground connection; No. 15 pin ground connection of TSS721A meter bus transceiver U3; No. 6 pins of TSS721A meter bus transceiver U3 are connected with electric capacity C1 one end, electric capacity C1 other end ground connection; No. 14 pins of TSS721A meter bus transceiver U3 are connected with resistance R3 one end, resistance R3 other end ground connection; No. 9 pins of TSS721A meter bus transceiver U3 are connected with resistance R5 one end, resistance R5 other end access power supply VCC; No. 16 pins of TSS721A meter bus transceiver U3 are connected with resistance R1 one end, the resistance R1 other end is connected with transient voltage suppressor TVS one end and remote meter reading communication converter MBUS one end, the transient voltage suppressor TVS other end and the remote meter reading communication converter MBUS other end are connected with resistance R2 one end, and the resistance R2 other end connects No. 1 pin of TSS721A meter bus transceiver U3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875084.3U CN205192555U (en) | 2015-11-05 | 2015-11-05 | Start -up equipment is felt in spontaneous telex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875084.3U CN205192555U (en) | 2015-11-05 | 2015-11-05 | Start -up equipment is felt in spontaneous telex |
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| CN205192555U true CN205192555U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520875084.3U Active CN205192555U (en) | 2015-11-05 | 2015-11-05 | Start -up equipment is felt in spontaneous telex |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277245A (en) * | 2015-11-05 | 2016-01-27 | 山东潍微科技股份有限公司 | Self-generating sensing starting working device |
| CN106877856A (en) * | 2016-12-28 | 2017-06-20 | 深圳市展恒电子有限公司 | For the slave station interface arrangement of MBUS |
-
2015
- 2015-11-05 CN CN201520875084.3U patent/CN205192555U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277245A (en) * | 2015-11-05 | 2016-01-27 | 山东潍微科技股份有限公司 | Self-generating sensing starting working device |
| CN106877856A (en) * | 2016-12-28 | 2017-06-20 | 深圳市展恒电子有限公司 | For the slave station interface arrangement of MBUS |
| CN106877856B (en) * | 2016-12-28 | 2021-02-02 | 深圳市展恒电子有限公司 | Slave station interface device for MBUS |
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