CN203908980U - Ultra-micro carbon monoxide sensor - Google Patents
Ultra-micro carbon monoxide sensor Download PDFInfo
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- CN203908980U CN203908980U CN201420232518.3U CN201420232518U CN203908980U CN 203908980 U CN203908980 U CN 203908980U CN 201420232518 U CN201420232518 U CN 201420232518U CN 203908980 U CN203908980 U CN 203908980U
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Abstract
The utility model discloses an ultra-micro carbon monoxide sensor. The ultra-micro carbon monoxide sensor comprises a main circuit and an auxiliary circuit which are connected with each other in sequence, wherein the main circuit comprises an ultra-micro carbon monoxide sensing module U1 with the model number of KD9651, as well as a first contact pin connector P1 and a second contact pin connector P2 which are connected with the ultra-micro carbon monoxide sensing module U1 respectively; the ultra-micro carbon monoxide sensing module U1 is connected with the auxiliary circuit. The ultra-micro carbon monoxide sensor can overcome the defects that a sensor in the prior art is short in service life, high in cost, low in reliability and the like, so as to realize the advantages of long service life, low cost and high reliability.
Description
Technical field
The utility model relates to communication technical field, particularly, relates to a kind of superminiature carbon monoxide transducer.
Background technology
The composition module package of wireless senser is in a shell, in the time of work, it will provide power supply by battery or vibrating electricity generator, form wireless sensor network node, by the Node that is integrated with sensor, data processing unit and communication module of stochastic distribution, form network by the mode of self-organization.It can collecting device digital signal be transferred to the radio network gateway of Surveillance center by wireless sensor network, directly send into computing machine, carry out analyzing and processing.If needed, the whole time history signal that wireless senser also can real-time Transmission gathers.The information wireless such as Surveillance center also can control by gateway handle, parameter arranges are transferred to node.Data conditioning acquisition processing module through amplifying, after the modulate circuits such as filtering, is delivered to analog to digital converter the feeble signal of sensor output, changes digital signal into, delivers to primary processor and carries out digital signal processing, calculates effective value, the shift value etc. of sensor.
Realizing in process of the present utility model, inventor finds at least to exist in prior art the defect such as serviceable life is short, cost is high and reliability is low.
Utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of superminiature carbon monoxide transducer, to realize long service life, cost is low and reliability is high advantage.
For achieving the above object, the technical solution adopted in the utility model is: a kind of superminiature carbon monoxide transducer, comprises the main circuit and the auxiliary circuit that connect successively; Described main circuit comprises that model is the superminiature carbon monoxide sensing module U1 of KD9651, and the first contact pin connector P1 and the second contact pin connector P2 that are connected with described superminiature carbon monoxide sensing module U1 respectively; Described superminiature carbon monoxide sensing module U1 is connected with auxiliary circuit.
Further, described superminiature carbon monoxide sensing module U1, comprises QM-N10 chip, KD9561 chip, resistance R 1, R2 and R3, rheostat RP, capacitor C 1 and C2, diode 2CP, triode Q1, Q2 and Q3, loudspeaker; Wherein:
The 1st link of described QM-N10 chip and the 2nd link of QM-N10 chip connect respectively DC power anode; The 3rd link of QM-N10 chip, is connected with the 1st link of rheostat RP and the adjustable side of rheostat RP respectively, also after capacitor C 1, connects DC power cathode, also after resistance R 2 and capacitor C 2, connects DC power cathode successively; The 4th link of QM-N10 chip connects DC power cathode after resistance R 1;
The common port of described resistance R 2 and capacitor C 2 is connected with the base stage of triode Q1, and the collector of triode Q1 connects DC power anode, and the emitter of triode Q1 connects the base stage of triode Q2;
The collector of described triode Q2 connects the VCC end of KD9561 chip, and the emitter of triode Q2 connects DC power cathode; The QS1 end of KD9561 chip connects the QS2 end of KD9561 chip after resistance R 3, and the vdd terminal of KD9561 chip connects DC power anode, the base stage of the OP termination triode Q3 of KD9561 chip;
The collector of described triode Q3 connects DC power anode after loudspeaker, and the emitter of triode Q3 connects DC power cathode.
Further, described main circuit, also comprise that one end is connected with the 1st link of superminiature carbon monoxide sensing module U1 and the second link of superminiature carbon monoxide sensing module U1, the first capacitor C 21 of other end ground connection, one end is connected with the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, the second capacitor C 291 of other end ground connection, one end is connected with the 30th link of superminiature carbon monoxide sensing module U1, the 3rd capacitor C 301 of other end ground connection, one end is connected with the 31st link of superminiature carbon monoxide sensing module U1, the 4th capacitor C 311 of other end ground connection, and be connected to the first resistance R 311 between the 31st link and the second contact pin connector P2 of superminiature carbon monoxide sensing module U1.
Further, described auxiliary circuit, comprise that one end is respectively with the 28th link of superminiature carbon monoxide sensing module U1 with the 29th link of superminiature carbon monoxide sensing module U1 is connected, respectively the 4th capacitor C 191, the 5th capacitor C 221, the 6th capacitor C 251, the 7th capacitor C 261 and the 8th capacitor C 1 of ground connection of the other end, and one end and the 8th capacitor C 1 one end is remotely connected, the other end is connected with direct supply VDD the first inductance L 1;
The common port of described the 5th capacitor C 221 and the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, is also connected with the 22nd link of superminiature carbon monoxide sensing module U1; The common port of the 6th capacitor C 251 and the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, is also connected with the 25th link of superminiature carbon monoxide sensing module U1; The common port of the 7th capacitor C 261 and the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, is also connected with the 26th link of superminiature carbon monoxide sensing module U1.
Further, described auxiliary circuit, also comprise the 9th capacitor C 231 between the 23rd link and the ground that is connected to superminiature carbon monoxide sensing module U1 in turn, the second inductance L 232, the 3rd inductance L 233, the tenth capacitor C 235 and toggle switch P3, be connected to the 4th inductance L 241 between the common port of the 9th capacitor C 231 and the second inductance L 232 and the 24th link of superminiature carbon monoxide sensing module U1, and, one end is connected with the 24th link of superminiature carbon monoxide sensing module U1 and the common port of the 4th inductance L 241, the 11 capacitor C 241 of other end ground connection, one end is connected with the common port of the second inductance L 232 and the 3rd inductance L 233, the 12 capacitor C 232 of other end ground connection, one end is connected with the common port of the 3rd inductance L 233 and the tenth capacitor C 235, the 13 capacitor C 233 of other end ground connection.
Further, described auxiliary circuit, also comprise that one end is connected with the 17th end of superminiature carbon monoxide sensing module U1, the 14 capacitor C 171 of other end ground connection, one end is connected with the 18th end of superminiature carbon monoxide sensing module U1, the 15 capacitor C 181 of other end ground connection, one end is connected with the 21st end of superminiature carbon monoxide sensing module U1, the 16 capacitor C 211 of other end ground connection, one end is connected with the 20th end of superminiature carbon monoxide sensing module U1, the 17 capacitor C 201 of other end ground connection, and, one end is connected with the 27th end of superminiature carbon monoxide sensing module U1, the second resistance R 271 of other end ground connection.
Further, described auxiliary circuit, also comprise the first crystal oscillator X1 between the common port of the 20th end that is connected to the 17 capacitor C 201 and superminiature carbon monoxide sensing module U1 and the common port of the 21st end of the 16 capacitor C 211 and superminiature carbon monoxide sensing module U1, and, be connected to the second crystal oscillator X2 between the common port of the 17th end of the 14 capacitor C 171 and superminiature carbon monoxide sensing module U1 and the common port of the 18th end of the 15 capacitor C 181 and superminiature carbon monoxide sensing module U1.
The superminiature carbon monoxide transducer of the each embodiment of the utility model, owing to comprising the main circuit and the auxiliary circuit that connect successively; Main circuit comprises that model is the superminiature carbon monoxide sensing module U1 of KD9651, and the first contact pin connector P1 and the second contact pin connector P2 that are connected with superminiature carbon monoxide sensing module U1 respectively; Superminiature carbon monoxide sensing module U1 is connected with auxiliary circuit; Can monitor the gas concentration of (CO) carbon monoxide around air; Thereby can overcome the defect that in prior art, serviceable life is short, cost is high and reliability is low, to realize long service life, cost is low and reliability is high advantage.
Other features and advantages of the utility model will be set forth in the following description, and, partly from instructions, become apparent, or understand by implementing the utility model.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for instructions, is used from explanation the utility model with embodiment mono-of the present utility model, does not form restriction of the present utility model.In the accompanying drawings:
In Fig. 1, (a) is the structural representation of main circuit in the utility model superminiature carbon monoxide transducer, (b) is the pin figure of U1;
Fig. 2 is the structural representation of auxiliary circuit in the utility model superminiature carbon monoxide transducer.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
According to the utility model embodiment, as depicted in figs. 1 and 2, provide a kind of superminiature carbon monoxide transducer, the time interval that can specify by measuring cell voltage, send to rear end with wireless mode, the voltage readings of Real-Time Monitoring battery system, thus determine cell health state.
The superminiature carbon monoxide transducer of the present embodiment, comprises the main circuit and the auxiliary circuit that connect successively.
Wherein, above-mentioned main circuit comprises that model is the superminiature carbon monoxide sensing module U1 of KD9651, and the first contact pin connector P1 and the second contact pin connector P2 that are connected with superminiature carbon monoxide sensing module U1 respectively; Superminiature carbon monoxide sensing module U1 is connected with auxiliary circuit.Main circuit, also comprise that one end is connected with the 1st link of superminiature carbon monoxide sensing module U1 and the second link of superminiature carbon monoxide sensing module U1, the first capacitor C 21 of other end ground connection, one end is connected with the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, the second capacitor C 291 of other end ground connection, one end is connected with the 30th link of superminiature carbon monoxide sensing module U1, the 3rd capacitor C 301 of other end ground connection, one end is connected with the 31st link of superminiature carbon monoxide sensing module U1, the 4th capacitor C 311 of other end ground connection, and be connected to the first resistance R 311 between the 31st link and the second contact pin connector P2 of superminiature carbon monoxide sensing module U1.
Particularly, superminiature carbon monoxide sensing module U1, comprises QM-N10 chip, KD9561 chip, resistance R 1, R2 and R3, rheostat RP, capacitor C 1 and C2, diode 2CP, triode Q1, Q2 and Q3, loudspeaker; Wherein: the 1st link of QM-N10 chip and the 2nd link of QM-N10 chip connect respectively DC power anode; The 3rd link of QM-N10 chip, is connected with the 1st link of rheostat RP and the adjustable side of rheostat RP respectively, also after capacitor C 1, connects DC power cathode, also after resistance R 2 and capacitor C 2, connects DC power cathode successively; The 4th link of QM-N10 chip connects DC power cathode after resistance R 1; The common port of resistance R 2 and capacitor C 2 is connected with the base stage of triode Q1, and the collector of triode Q1 connects DC power anode, and the emitter of triode Q1 connects the base stage of triode Q2; The collector of triode Q2 connects the VCC end of KD9561 chip, and the emitter of triode Q2 connects DC power cathode; The QS1 end of KD9561 chip connects the QS2 end of KD9561 chip after resistance R 3, and the vdd terminal of KD9561 chip connects DC power anode, the base stage of the OP termination triode Q3 of KD9561 chip; The collector of triode Q3 connects DC power anode after loudspeaker, and the emitter of triode Q3 connects DC power cathode.
Above-mentioned auxiliary circuit, comprise that one end is respectively with the 28th link of superminiature carbon monoxide sensing module U1 with the 29th link of superminiature carbon monoxide sensing module U1 is connected, respectively the 4th capacitor C 191, the 5th capacitor C 221, the 6th capacitor C 251, the 7th capacitor C 261 and the 8th capacitor C 1 of ground connection of the other end, and one end and the 8th capacitor C 1 one end is remotely connected, the other end is connected with direct supply VDD the first inductance L 1; The common port of the 5th capacitor C 221 and the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, is also connected with the 22nd link of superminiature carbon monoxide sensing module U1; The common port of the 6th capacitor C 251 and the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, is also connected with the 25th link of superminiature carbon monoxide sensing module U1; The common port of the 7th capacitor C 261 and the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, is also connected with the 26th link of superminiature carbon monoxide sensing module U1.Auxiliary circuit, also comprise the 9th capacitor C 231 between the 23rd link and the ground that is connected to superminiature carbon monoxide sensing module U1 in turn, the second inductance L 232, the 3rd inductance L 233, the tenth capacitor C 235 and toggle switch P3, be connected to the 4th inductance L 241 between the common port of the 9th capacitor C 231 and the second inductance L 232 and the 24th link of superminiature carbon monoxide sensing module U1, and, one end is connected with the 24th link of superminiature carbon monoxide sensing module U1 and the common port of the 4th inductance L 241, the 11 capacitor C 241 of other end ground connection, one end is connected with the common port of the second inductance L 232 and the 3rd inductance L 233, the 12 capacitor C 232 of other end ground connection, one end is connected with the common port of the 3rd inductance L 233 and the tenth capacitor C 235, the 13 capacitor C 233 of other end ground connection.Auxiliary circuit, also comprise that one end is connected with the 17th end of superminiature carbon monoxide sensing module U1, the 14 capacitor C 171 of other end ground connection, one end is connected with the 18th end of superminiature carbon monoxide sensing module U1, the 15 capacitor C 181 of other end ground connection, one end is connected with the 21st end of superminiature carbon monoxide sensing module U1, the 16 capacitor C 211 of other end ground connection, one end is connected with the 20th end of superminiature carbon monoxide sensing module U1, the 17 capacitor C 201 of other end ground connection, and, one end is connected with the 27th end of superminiature carbon monoxide sensing module U1, the second resistance R 271 of other end ground connection.Auxiliary circuit, also comprise the first crystal oscillator X1 between the common port of the 20th end that is connected to the 17 capacitor C 201 and superminiature carbon monoxide sensing module U1 and the common port of the 21st end of the 16 capacitor C 211 and superminiature carbon monoxide sensing module U1, and, be connected to the second crystal oscillator X2 between the common port of the 17th end of the 14 capacitor C 171 and superminiature carbon monoxide sensing module U1 and the common port of the 18th end of the 15 capacitor C 181 and superminiature carbon monoxide sensing module U1.
For example, can the sensor taking model as LMS-9-MP-W1-LD be example, the superminiature carbon monoxide transducer of above-described embodiment is specifically described.
The superminiature carbon monoxide transducer of above-described embodiment, can monitor the gas concentration of (CO) carbon monoxide around air.It is little that wireless CO sensor has volume, and cost is low, is all the sensor of longest-lived in industry.Allow user-defined threshold alerts and notification message.
The purposes of above-described embodiment superminiature carbon monoxide transducer, comprising: the monitoring of the gas concentration of (CO) carbon monoxide in air.
The power supply mode of above-described embodiment superminiature carbon monoxide transducer, comprises 3.0V button cell (CR2032).
The technical indicator of above-described embodiment superminiature carbon monoxide transducer, comprising: 433MHz/900 MHz frequency of operation, and removable 3.0V button cell, temperature range-20 ° C is+60 ° of C extremely, the outer transmission range (depending on battery electric quantity) of 70 100 meters of – sight lines; By 1 hour monitoring frequency, sustainable work 2 years; Be applicable to the monitoring of the gas concentration of (CO) carbon monoxide in air; The ideal chose of Embedded Application; User-defined threshold alerts and notification message.
The detailed technology parameter of above-described embodiment superminiature carbon monoxide transducer, comprise: radio frequency specification is that frequency of operation 433MHz or 900 MHz(are according to regulation and customer requirement), circuit specification is the replaceable 3.0V button cell of battery types, maximum operation temperature-20 ° C is to+60 ° of C, best battery operated temperature (button cell)+10 ° C is to+50 ° of C, supply voltage 2.0-3.6 V, the outer transmission range (depending on battery electric quantity) of 70 100 meters of – sight lines; By 1 hour monitoring frequency, sustainable work 2 years; ABS engineering plastics shell.
The specification of above-described embodiment superminiature carbon monoxide transducer, comprising: precision: 0.7%BFSL precision; Temperature is on reading the impact of precision: 2%/38 DEG C; Antijamming capability: 20V/M(meets CE standard); Detect medium: gas, liquid or steam; Electric protection: error-polarity connection 75VDC, superpotential 60 VDC, short-circuit protection; Vibration: 5 grams from 50 to 2000Hz; Humidity: 95%, frozen-free; Response time: be less than 2 milliseconds; Wakeup time: be less than 2 milliseconds; Insulation: 1200 volts of megaohms; Line length: 1 meter of shielded cable (between tensimeter and radio-cell); Dial plate size: 63 millimeters; Tensimeter accuracy: 1.6% full scale A level (63 millimeters); Connector: inch; Detected pressures: 120% full scale; Extreme pressure: 10 times of full scales; Polycarbonate or safety glass; 304 stainless steel casings; 316 stainless steel connectors; Drift suppresses and electric making zero read; Need external power supply.
LinkMote adopts the Sensor Network core technology of the peaceful gram of independent research in Jiangsu.The wireless sensor network node of LinkMote exploitation has adopted SoC SOC (system on a chip) scheme, has used the embedded OS of independent research simultaneously, and at present domestic other producer's products adopt zigbee host-host protocol, data transmission rate fiduciary level 70%; LinkMote adopts the autonomous procotol of AxonWeb, and data transmission rate fiduciary level reaches 99.3%.
The size of above-described embodiment superminiature carbon monoxide transducer, is preferably long 45 millimeters × wide 26 millimeters × high 20 millimeters.
The packing content thing of above-described embodiment superminiature carbon monoxide transducer external packing, comprising: wireless senser (being superminiature carbon monoxide transducer), CR2032 button cell, installs screw and paster (the seamless glue material of 3M) is installed.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a superminiature carbon monoxide transducer, is characterized in that, comprises the main circuit and the auxiliary circuit that connect successively; Described main circuit comprises that model is the superminiature carbon monoxide sensing module U1 of KD9651, and the first contact pin connector P1 and the second contact pin connector P2 that are connected with described superminiature carbon monoxide sensing module U1 respectively; Described superminiature carbon monoxide sensing module U1 is connected with auxiliary circuit.
2. superminiature carbon monoxide transducer according to claim 1, is characterized in that, described superminiature carbon monoxide sensing module U1, comprises QM-N10 chip, KD9561 chip, resistance R 1, R2 and R3, rheostat RP, capacitor C 1 and C2, diode 2CP, triode Q1, Q2 and Q3, loudspeaker; Wherein:
The 1st link of described QM-N10 chip and the 2nd link of QM-N10 chip connect respectively DC power anode; The 3rd link of QM-N10 chip, is connected with the 1st link of rheostat RP and the adjustable side of rheostat RP respectively, also after capacitor C 1, connects DC power cathode, also after resistance R 2 and capacitor C 2, connects DC power cathode successively; The 4th link of QM-N10 chip connects DC power cathode after resistance R 1;
The common port of described resistance R 2 and capacitor C 2 is connected with the base stage of triode Q1, and the collector of triode Q1 connects DC power anode, and the emitter of triode Q1 connects the base stage of triode Q2;
The collector of described triode Q2 connects the VCC end of KD9561 chip, and the emitter of triode Q2 connects DC power cathode; The QS1 end of KD9561 chip connects the QS2 end of KD9561 chip after resistance R 3, and the vdd terminal of KD9561 chip connects DC power anode, the base stage of the OP termination triode Q3 of KD9561 chip;
The collector of described triode Q3 connects DC power anode after loudspeaker, and the emitter of triode Q3 connects DC power cathode.
3. superminiature carbon monoxide transducer according to claim 1 and 2, it is characterized in that, described main circuit, also comprise that one end is connected with the 1st link of superminiature carbon monoxide sensing module U1 and the second link of superminiature carbon monoxide sensing module U1, the first capacitor C 21 of other end ground connection, one end is connected with the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, the second capacitor C 291 of other end ground connection, one end is connected with the 30th link of superminiature carbon monoxide sensing module U1, the 3rd capacitor C 301 of other end ground connection, one end is connected with the 31st link of superminiature carbon monoxide sensing module U1, the 4th capacitor C 311 of other end ground connection, and be connected to the first resistance R 311 between the 31st link and the second contact pin connector P2 of superminiature carbon monoxide sensing module U1.
4. superminiature carbon monoxide transducer according to claim 3, it is characterized in that, described auxiliary circuit, comprise that one end is respectively with the 28th link of superminiature carbon monoxide sensing module U1 with the 29th link of superminiature carbon monoxide sensing module U1 is connected, respectively the 4th capacitor C 191, the 5th capacitor C 221, the 6th capacitor C 251, the 7th capacitor C 261 and the 8th capacitor C 1 of ground connection of the other end, and one end and the 8th capacitor C 1 one end is remotely connected, the other end is connected with direct supply VDD the first inductance L 1;
The common port of described the 5th capacitor C 221 and the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, is also connected with the 22nd link of superminiature carbon monoxide sensing module U1; The common port of the 6th capacitor C 251 and the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, is also connected with the 25th link of superminiature carbon monoxide sensing module U1; The common port of the 7th capacitor C 261 and the 28th link of superminiature carbon monoxide sensing module U1 and the 29th link of superminiature carbon monoxide sensing module U1, is also connected with the 26th link of superminiature carbon monoxide sensing module U1.
5. superminiature carbon monoxide transducer according to claim 4, it is characterized in that, described auxiliary circuit, also comprise the 9th capacitor C 231 between the 23rd link and the ground that is connected to superminiature carbon monoxide sensing module U1 in turn, the second inductance L 232, the 3rd inductance L 233, the tenth capacitor C 235 and toggle switch P3, be connected to the 4th inductance L 241 between the common port of the 9th capacitor C 231 and the second inductance L 232 and the 24th link of superminiature carbon monoxide sensing module U1, and, one end is connected with the 24th link of superminiature carbon monoxide sensing module U1 and the common port of the 4th inductance L 241, the 11 capacitor C 241 of other end ground connection, one end is connected with the common port of the second inductance L 232 and the 3rd inductance L 233, the 12 capacitor C 232 of other end ground connection, one end is connected with the common port of the 3rd inductance L 233 and the tenth capacitor C 235, the 13 capacitor C 233 of other end ground connection.
6. superminiature carbon monoxide transducer according to claim 5, it is characterized in that, described auxiliary circuit, also comprise that one end is connected with the 17th end of superminiature carbon monoxide sensing module U1, the 14 capacitor C 171 of other end ground connection, one end is connected with the 18th end of superminiature carbon monoxide sensing module U1, the 15 capacitor C 181 of other end ground connection, one end is connected with the 21st end of superminiature carbon monoxide sensing module U1, the 16 capacitor C 211 of other end ground connection, one end is connected with the 20th end of superminiature carbon monoxide sensing module U1, the 17 capacitor C 201 of other end ground connection, and, one end is connected with the 27th end of superminiature carbon monoxide sensing module U1, the second resistance R 271 of other end ground connection.
7. superminiature carbon monoxide transducer according to claim 6, it is characterized in that, described auxiliary circuit, also comprise the first crystal oscillator X1 between the common port of the 20th end that is connected to the 17 capacitor C 201 and superminiature carbon monoxide sensing module U1 and the common port of the 21st end of the 16 capacitor C 211 and superminiature carbon monoxide sensing module U1, and, be connected to the second crystal oscillator X2 between the common port of the 17th end of the 14 capacitor C 171 and superminiature carbon monoxide sensing module U1 and the common port of the 18th end of the 15 capacitor C 181 and superminiature carbon monoxide sensing module U1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420232518.3U CN203908980U (en) | 2014-05-07 | 2014-05-07 | Ultra-micro carbon monoxide sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420232518.3U CN203908980U (en) | 2014-05-07 | 2014-05-07 | Ultra-micro carbon monoxide sensor |
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| CN203908980U true CN203908980U (en) | 2014-10-29 |
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| CN201420232518.3U Expired - Fee Related CN203908980U (en) | 2014-05-07 | 2014-05-07 | Ultra-micro carbon monoxide sensor |
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Effective date of registration: 20160418 Address after: 214000 Jiangsu province Wuxi Xinda New District Road No. 33-2-801-04 Wu (IC Plaza A804) Patentee after: Wuxi Jin Ke Ke Technology Co., Ltd. Address before: 214000 Jiangsu New District of Wuxi, Taihu international science and Technology Parks Linghu Road No. 200 China Sensor Network International Innovation Park building E Patentee before: Jiangsu Ning Ke sensor Science and Technology Ltd. |
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Granted publication date: 20141029 Termination date: 20210507 |