CN205228519U - Light, gas, wet, heat, press many function detecting device - Google Patents
Light, gas, wet, heat, press many function detecting device Download PDFInfo
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- CN205228519U CN205228519U CN201521020035.8U CN201521020035U CN205228519U CN 205228519 U CN205228519 U CN 205228519U CN 201521020035 U CN201521020035 U CN 201521020035U CN 205228519 U CN205228519 U CN 205228519U
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Abstract
The utility model provides a light, gas, wet, heat, press many function detecting device, it includes light, gas signal detection module, is wet, hot, pressure signal detection module, and synchronization signal enlargies the module, signal processing module and automatic protective film piece, synchronization signal enlargies the module and is connected by operational amplifier A1 and electric capacity C1, coupling capacitance ci, damping electric capacity co and feedback resistance rf, resistance R4, R3, R2, R1 to constitute, signal processing module is by alarm display module, electromagnetic relay, and diode D1, D2, operational amplifier A2, A3 and resistance R5, R6, R7, R8 connect the constitution, and alarm display module includes triode Q1, emitting diode LED and resistance R9, R10, automatic protective film piece comprises electro -magnet and the connection of diode D3. It can in time detect the indoor environment, can detect often chemical reaction again, guarantees personnel's safety, its simple structure, low in cost, and the security is high, and technical scheme economic benefits and social are obvious, have wide popularization prospect.
Description
Technical field
The utility model relates to a kind of light, gas, wet, hot, pressure multifunctional detecting device of resist technology field.
Background technology
Along with the development of scientific research, the status of Physical Chemical Experiment in scientific exploration becomes increasingly conspicuous, along with experiment complicacy and difficulty is handling increases gradually, experiment safety has become the problem that people pay close attention to jointly, and in chemical experiment, usually relate to much inflammable, explosive, poisonous and severe corrosive reagent, hold fire hazardous, blast, the accident such as poisoning, this also makes laboratory safety also more pay close attention to by people.On the one hand, because the concentration of different experimental drugs to the temperature in laboratory, humidity, the volatile gas of illumination condition and laboratory has different requirement, therefore, need detect accurately laboratory environment during experiment; On the other hand, the chemical reaction in experimentation usually with the generation of luminous, heating and gas, and can produce harm when reaction is too violent.Therefore, avoid being caused security incident and violent chemical reaction by laboratory environment, cause experiment to release a large amount of heat, gas or strong light and laboratory and experimenter are damaged and injury.At present, the also not concentration of detected temperatures, luminous intensity, pressure intensity and release gas in chemical reaction on market, simultaneously again can the multifunctional detecting device of the temperature of test experience indoor, humidity, intensity of illumination and gas concentration.Therefore, carrying out urgently a kind of multiple functional multi-functional detection protective device of experiment, it can detect in time to laboratory environment, can detect constantly again to chemical reaction, ensures the safety of experimenter.
Summary of the invention
Technical problem to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art, and provide a kind of multiple functional, light that security is high, gas, wet, heat, pressure multifunctional detecting device.
The technical scheme in the invention for solving the technical problem is: Yi Zhongguang, gas, wet, heat, pressure multifunctional detecting device, it comprises light, gas acquisition of signal module, wet, heat, pressure acquisition of signal module, synchronizing signal amplification module, signal processing module and automatic protection module, described light, gas acquisition of signal module comprise semiconductor photodetector and corresponding semiconductor-type gas sensor, described wet, heat, pressure signal detection module are made up of temperature sensitive member, humidity inductive element and pressure transducer, described synchronizing signal amplification module is connected and composed by the operational amplifier A 1 in operational amplifier and electric capacity C1, coupling capacitance Ci, weakening electric capacity Co and feedback resistance Rf, resistance R4, R3, R2, R1, described signal processing module is by alarm display module, electromagnetic relay, diode D1, D2, the operational amplifier A 2 in operational amplifier, A3 and resistance R5, R6, R7, R8 connect and compose, and alarm display module comprises triode Q1, LED and resistance R9, R10, described automatic protection module is made up of electromagnet and diode D3, described semiconductor photodetector and corresponding semiconductor-type gas sensor, temperature sensitive member, humidity inductive element and pressure transducer are all connected with the input end in the same way of operational amplifier A 1 by coupling capacitance Ci, the input end in the same way of operational amplifier A 1 is also connected with resistance R1, the positive power source terminal contact resistance R2 of operational amplifier A 1, resistance R1 is connected voltage V+ with the other end of resistance R2, electric capacity C1 in parallel and resistance R3 mono-termination voltage V+, other end ground connection, the negative power end ground connection of operational amplifier A 1, weakening electric capacity Co is connected with operational amplifier A 1 output terminal with feedback resistance Rf simultaneously, resistance R4 and feedback resistance Rf form feedback circuit and are connected with the reverse input end of operational amplifier A 1, ground connection after resistance R4 connects with coupling capacitance Ci, operational amplifier A 1 output terminal is connected with the reverse input end of operational amplifier A 3 with the input end in the same way of operational amplifier A 2 by electric capacity Co, resistance R5 mono-termination voltage V+, the other end and operational amplifier A 2 in the same way input end connect, and by resistance R6 ground connection, resistance R5 and R6 composition bleeder circuit is that the reverse input end of A2 arranges comparative voltage U2, resistance R7 mono-termination voltage V+, the other end and operational amplifier A 3 in the same way input end connect, and by resistance R8 ground connection, simultaneously resistance R7 and R8 forms bleeder circuit is that the input end in the same way of operational amplifier A 3 arranges comparative voltage U3, the positive supply termination voltage V+ of operational amplifier A 2, operational amplifier A 3 negative power end ground connection, the output terminal of operational amplifier A 2 and A3 meets diode D1 and diode D2 respectively, diode D1, the negative pole of D2 is connected on the base stage of triode Q1 by resistance R9, the collector of triode Q1 is by meeting voltage V+ after the resistance R10 of series connection and LED, the emitter of triode Q1 connects electromagnetic relay, electromagnetic relay other end ground connection, its normally opened contact is connected with electromagnet by diode D3, another termination voltage V+ of electromagnet.
Above-mentioned operational amplifier can adopt LM324 operational amplifier; Above-mentioned electromagnetic relay can adopt PELAY-SPDT electromagnetic relay.
This light that the utility model provides, gas, wet, heat, pressure multifunctional detecting device, its light, gas acquisition of signal module and wet, heat, pressure acquisition of signal module: for detecting light in external environment, gas, wet, heat, pressure signal, synchronizing signal amplification module: for amplifying light, gas, wet, hot, the pressure signal in external environment, and be input to signal processing module, carried out the enlargement factor of conditioning signal by resistance R4 and Rf, its enlargement factor is 1+Rf/R4, signal processing module, alarm display module and automatic protection module: the voltage signal of detection is processed, determine the virtual voltage gradient scope of multifunctional detecting device, by resistance adjustment two operational amplifier A 2, the comparative voltage U2 of A3, U3, select U2>U3, wherein R5 and R6 is used for regulating the reverse comparative voltage U2 of A2, R7 and R8 is used for regulating the U3 of comparative voltage in the same way of A3, the voltage signal Ui amplified is added to the input end in the same way of A2 and the negative input of A3 simultaneously, when input voltage signal Ui exceeds [U3, U2] interval range time, LED is luminous, electromagnetic relay closes, start automatic protection module, play automatic protection functions.This light that the utility model provides, gas, wet, heat, pressure multifunctional detecting device, its embody rule diversification of forms, can be used as small household appliances to indoor temperature, Humidity Detection, also can be used as the detection to the harmful gas in the finite space, can also as the pick-up unit etc. of intensity of illumination, this device is generally arranged on indoor, work as indoor temperature, humidity, intensity of illumination, when gas concentration exceedes setting value, alarm display module is reported to the police, can also be arranged on chemical reaction equipment simultaneously, when temperature in reaction unit, intensity of illumination, pressure intensity, when gas concentration exceedes setting value, alarm display module is reported to the police, reminding technology personnel complete safety inspection and the fault handling of test, its structure is simple, cheap, and security is high, easy and simple to handle, and technical scheme economic benefit and social benefit obviously, have very wide promotion prospect.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of light provided by the utility model, gas, wet, heat, pressure multifunctional detecting device;
Fig. 2 is the circuit theory diagrams of light provided by the utility model, gas, wet, heat, pressure multifunctional detecting device.
Mark in figure: 1, wet, heat, pressure acquisition of signal module, 2, light, gas acquisition of signal module, 3, synchronizing signal amplification module; 4, signal processing module, 5, operational amplifier, 6, alarm display module; 7, electromagnetic relay, 8, automatic protection module, 9, resistance.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but do not limit protection domain of the present utility model.
The technical scheme in the invention for solving the technical problem is: Yi Zhongguang, gas, wet, heat, pressure multifunctional detecting device, it comprises light, gas acquisition of signal module 2, wet, heat, pressure acquisition of signal module 1, synchronizing signal amplification module 3, signal processing module 4 and automatic protection module 8, described light, gas acquisition of signal module 2 comprise semiconductor photodetector and corresponding semiconductor-type gas sensor, described wet, heat, pressure signal detection module 1 are made up of temperature sensitive member, humidity inductive element and pressure transducer, described synchronizing signal amplification module 3 is connected and composed by the LM324 operational amplifier A 1 in operational amplifier 5 and electric capacity C1, coupling capacitance Ci, weakening electric capacity Co and feedback resistance Rf, resistance R4, R3, R2, R1, described signal processing module 4 is by alarm display module 6, PELAY-SPDT electromagnetic relay 7, diode D1, D2, LM324 operational amplifier A 2 in operational amplifier 5, A3 and resistance R5, R6, R7, R8 connect and compose, and alarm display module 6 comprises triode Q1, LED and resistance R9, R10, described automatic protection module 8 is connected and composed by electromagnet and diode D3, described semiconductor photodetector and corresponding semiconductor-type gas sensor, temperature sensitive member, humidity inductive element and pressure transducer are all connected with the input end in the same way of LM324 operational amplifier A 1 by coupling capacitance Ci, the input end in the same way of LM324 operational amplifier A 1 is also connected with resistance R1, the positive power source terminal contact resistance R2 of LM324 operational amplifier A 1, resistance R1 is connected voltage V+ with the other end of resistance R2, electric capacity C1 in parallel and resistance R3 mono-termination voltage V+, other end ground connection, the negative power end ground connection of LM324 operational amplifier A 1, weakening electric capacity Co is connected with LM324 operational amplifier A 1 output terminal with feedback resistance Rf simultaneously, resistance R4 and feedback resistance Rf form feedback circuit and are connected with the reverse input end of LM324 operational amplifier A 1, ground connection after resistance R4 connects with coupling capacitance Ci, LM324 operational amplifier A 1 output terminal is connected with the reverse input end of LM324 operational amplifier A 3 with the input end in the same way of LM324 operational amplifier A 2 by electric capacity Co, resistance R5 mono-termination voltage V+, the other end and LM324 operational amplifier A 2 in the same way input end connect, and by resistance R6 ground connection, resistance R5 and R6 composition bleeder circuit is that the reverse input end of A2 arranges comparative voltage U2, resistance R7 mono-termination voltage V+, the other end and LM324 operational amplifier A 3 in the same way input end connect, and by resistance R8 ground connection, simultaneously resistance R7 and R8 forms bleeder circuit is that the input end in the same way of operational amplifier A 3 arranges comparative voltage U3, the positive supply termination voltage V+ of LM324 operational amplifier A 2, LM324 operational amplifier A 3 negative power end ground connection, the output terminal of LM324 operational amplifier A 2 and A3 meets diode D1 and diode D2 respectively, diode D1, the negative pole of D2 is connected on the base stage of triode Q1 by resistance R9, the collector of triode Q1 is by meeting voltage V+ after the resistance R10 of series connection and LED, the emitter of triode Q1 connects PELAY-SPDT electromagnetic relay 7, PELAY-SPDT electromagnetic relay 7 other end ground connection, its normally opened contact is connected with electromagnet by diode D3, another termination voltage V+ of electromagnet, wherein R1=R2=R3=100K Ω, C1=10 μ f, R9=3.7K Ω, R10=470 Ω, other component values parameter is determined according to the needs adjustment of practical operation.
This light that the utility model provides, gas, wet, heat, pressure multifunctional detecting device are in use, when having, ambient light is shone, gas. when bulk concentration, humidity, temperature, pressure signal, by light, gas signal detection module 2 and wet, heat, pressure signal detection module 1 pair of acquisition of signal, signal is amplified the illumination detected, gas concentration, humidity, temperature, pressure signal by synchronizing signal amplification module 3, this voltage signal Ui is inputted simultaneously the input end in the same way of LM324 operational amplifier A 2 and the reverse input end of A3; The input end in the same way of the reverse input end and A3 that are respectively A2 by the bleeder circuit of R5 and R6, R7 and R8 composition arranges comparative voltage U2, U3 (arranging U2>U3), when voltage signal Ui is at [U3, U2] in voltage range, LM324 operational amplifier A 2 and A3 export high level, the reverse open circuit of diode D1, D2, in triode, no current passes through, and PELAY-SPDT electromagnetic relay 7 disconnects, and LED extinguishes.As Ui<U2, LM324 operational amplifier A 2 output low level, diode D1 conducting; As Ui>U3, LM324 operational amplifier A 3 output low level, diode D2 conducting; during both of these case, triode Q1 works, and LED is luminous, PELAY-SPDT electromagnetic relay 7 adhesive; automatic safety device starts, and protects experiment reaction unit.
Claims (3)
1. a light, gas, wet, hot, pressure multifunctional detecting device, it is characterized in that: it comprises light, gas acquisition of signal module (2), wet, heat, pressure acquisition of signal module (1), synchronizing signal amplification module (3), signal processing module (4) and automatic protection module (8), described light, gas acquisition of signal module (2) comprise semiconductor photodetector and corresponding semiconductor-type gas sensor, described wet, heat, pressure signal detection module (1) are made up of temperature sensitive member, humidity inductive element and pressure transducer, described synchronizing signal amplification module (3) is connected and composed by the operational amplifier A 1 in operational amplifier (5) and electric capacity C1, coupling capacitance Ci, weakening electric capacity Co and feedback resistance Rf, resistance R4, R3, R2, R1, described signal processing module (4) is by alarm display module (6), electromagnetic relay (7), diode D1, D2, operational amplifier A 2 in operational amplifier (5), A3 and resistance R5, R6, R7, R8 connect and compose, and alarm display module (6) comprises triode Q1, LED and resistance R9, R10, described automatic protection module (8) is connected and composed by electromagnet and diode D3, described semiconductor photodetector and corresponding semiconductor-type gas sensor, temperature sensitive member, humidity inductive element and pressure transducer are all connected with the input end in the same way of operational amplifier A 1 by coupling capacitance Ci, the input end in the same way of operational amplifier A 1 is also connected with resistance R1, the positive power source terminal contact resistance R2 of operational amplifier A 1, resistance R1 is connected voltage V+ with the other end of resistance R2, electric capacity C1 in parallel and resistance R3 mono-termination voltage V+, other end ground connection, the negative power end ground connection of operational amplifier A 1, weakening electric capacity Co is connected with operational amplifier A 1 output terminal with feedback resistance Rf simultaneously, resistance R4 and feedback resistance Rf form feedback circuit and are connected with the reverse input end of operational amplifier A 1, ground connection after resistance R4 connects with coupling capacitance Ci, operational amplifier A 1 output terminal is connected with the reverse input end of operational amplifier A 3 with the input end in the same way of operational amplifier A 2 by electric capacity Co, resistance R5 mono-termination voltage V+, the other end and operational amplifier A 2 in the same way input end connect, and by resistance R6 ground connection, resistance R5 and R6 composition bleeder circuit is that the reverse input end of A2 arranges comparative voltage U2, resistance R7 mono-termination voltage V+, the other end and operational amplifier A 3 in the same way input end connect, and by resistance R8 ground connection, simultaneously resistance R7 and R8 forms bleeder circuit is that the input end in the same way of operational amplifier A 3 arranges comparative voltage U3, the positive supply termination voltage V+ of operational amplifier A 2, operational amplifier A 3 negative power end ground connection, the output terminal of operational amplifier A 2 and A3 meets diode D1 and diode D2 respectively, diode D1, the negative pole of D2 is connected on the base stage of triode Q1 by resistance R9, the collector of triode Q1 is by meeting voltage V+ after the resistance R10 of series connection and LED, the emitter of triode Q1 connects electromagnetic relay (7), electromagnetic relay (7) other end ground connection, its normally opened contact is connected with electromagnet by diode D3, another termination voltage V+ of electromagnet.
2. light according to claim 1, gas, wet, heat, pressure multifunctional detecting device, is characterized in that: described operational amplifier (5) adopts LM324 operational amplifier.
3. light according to claim 1 and 2, gas, wet, heat, pressure multifunctional detecting device, is characterized in that: described electromagnetic relay (7) adopts PELAY-SPDT electromagnetic relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020035.8U CN205228519U (en) | 2015-12-09 | 2015-12-09 | Light, gas, wet, heat, press many function detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020035.8U CN205228519U (en) | 2015-12-09 | 2015-12-09 | Light, gas, wet, heat, press many function detecting device |
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| Publication Number | Publication Date |
|---|---|
| CN205228519U true CN205228519U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521020035.8U Expired - Fee Related CN205228519U (en) | 2015-12-09 | 2015-12-09 | Light, gas, wet, heat, press many function detecting device |
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| Country | Link |
|---|---|
| CN (1) | CN205228519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853883A (en) * | 2017-11-28 | 2018-03-30 | 聊城市孩室宝家俱有限公司 | A kind of learning chair intelligent posture correction band |
| CN111658835A (en) * | 2020-06-23 | 2020-09-15 | 牡丹江医学院附属红旗医院 | Drainage device for medical clinic and use method thereof |
-
2015
- 2015-12-09 CN CN201521020035.8U patent/CN205228519U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107853883A (en) * | 2017-11-28 | 2018-03-30 | 聊城市孩室宝家俱有限公司 | A kind of learning chair intelligent posture correction band |
| CN111658835A (en) * | 2020-06-23 | 2020-09-15 | 牡丹江医学院附属红旗医院 | Drainage device for medical clinic and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160511 Termination date: 20191209 |