CN2872174Y - Air Conditioner with explosive, inflammable and poisonous gas alarming function - Google Patents
Air Conditioner with explosive, inflammable and poisonous gas alarming function Download PDFInfo
- Publication number
- CN2872174Y CN2872174Y CNU200620028209XU CN200620028209U CN2872174Y CN 2872174 Y CN2872174 Y CN 2872174Y CN U200620028209X U CNU200620028209X U CN U200620028209XU CN 200620028209 U CN200620028209 U CN 200620028209U CN 2872174 Y CN2872174 Y CN 2872174Y
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- air conditioner
- explosive
- manual operator
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Abstract
The utility model relates to an air conditioner with the flammable and explosive and hazard gas safety alarm function, which comprises an air conditioner and a controlling system. The controlling system comprises a handler, a main controller a and b, which is characterized in that the wind outlet of the air conditioner wind motor is provided with a gas inducer and an inducer signal collecting circuit of the main controller a, the gas inducer is connected with the gas inducer signal collecting and rectifying circuit, which is connected with CPU circuit a, which is connected with the main controller a buzzer driving circuit, a communication circuit, a relay driving circuit and a relay executive circuit a respectively. The air conditioner is applicable to the flammable and explosive and hazard gas field, can alarm on the over certain density of the flammable and explosive and hazard gas, to avoid and prevent the accident, and to secure the safety for the air conditioner installation field, people and possession.
Description
Technical field
The utility model belongs to filed of air conditioning, it is a kind of inflammable and explosive and air conditioner toxic gas security alarm function of having, more particularly, be a kind ofly to be used for inflammable and explosive and toxic gas place the super inflammable and explosive and toxic gas of setting concentration is implemented warning, guarantee safe air conditioner.
Background technology
Existing air conditioner can only be regulated the temperature and humidity of air, does not have inflammable and explosive and toxic gas security alarm function, and therefore existing air conditioner is unsuitable for using in inflammable and explosive and toxic gas place.
Summary of the invention
Technical problem to be solved in the utility model is, provides a kind of being suitable for to use in inflammable and explosive and toxic gas place, can implement to report to the police to the super inflammable and explosive and toxic gas of setting concentration, guarantees safe air conditioner.
The technical scheme that solves its technical problem employing is: a kind of have inflammable and explosive and air conditioner toxic gas security alarm function, it comprises air conditioner 20 and control system for air conditioner, described control system for air conditioner is by manual operator 22, console controller 23a and console controller 24b form, its special character is: the collecting sensor signal circuit 2 of console controller 23a also comprises gas sensor signal collection shaping circuit, gas sensor signal is gathered shaping circuit and with fan outlet place at air conditioner 20 evaporimeters gas sensor 21 is set and is connected, gas sensor signal is gathered shaping circuit and is connected with the cpu circuit 5a of console controller 23a, the cpu circuit 5a of console controller 23a respectively with the buzzer drive circuit 4 of console controller 23a, console controller a communicating circuit 7, relay drive circuit 8 is connected with relay executive circuit 9a, the cpu circuit 5a of console controller 23a is by connecting plug-in unit 3a and being connected plug-in unit 16b and being connected with the relay executive circuit 19b of console controller 24b, the console controller a communicating circuit 7 of host computer control 23a is connected with manual operator communicating circuit 12, manual operator communicating circuit 12 is connected with hand behaviour 22 cpu circuit 13b, and the cpu circuit 13b of manual operator 22 is connected with the display driver circuit 15 of manual operator 22; The relay drive circuit 8 of console controller 23a is connected with current detection circuit 18 with the relay executive circuit 19b of console controller 24b by connecting plug-in unit 16b.Described gas sensor signal is gathered shaping circuit by inductance L 1, L2, resistance R 100, and electric capacity E10 and capacitor C 100 connect to form.
Of the present utility model have inflammable and explosive and air conditioner toxic gas security alarm function, outside the existing air conditioner of reservation is regulated the temperature and humidity of air, since in the fan outlet place of air conditioner evaporator is provided with gas sensor and control system at air conditioner, be provided be connected with gas sensor have a gas sensor signal collection, show, target is closed and the interlock circuit of sound and light of alarm, can implement to report to the police to the super inflammable and explosive and toxic gas of setting concentration, prevent and avoid contingency generation, the place of guaranteeing the machine of installing an air-conditioner, personnel and property safety.
Description of drawings
Fig. 1 has inflammable and explosive and air conditioner structure schematic perspective view toxic gas security alarm function.
Fig. 2 has inflammable and explosive and control system for air conditioner block diagram toxic gas security alarm function.
Fig. 3-1 is the manual operator schematic diagram with control system for air conditioner of inflammable and explosive and toxic gas security alarm function.
Fig. 3-2 has the console controller 23a schematic diagram of the control system for air conditioner of inflammable and explosive and toxic gas security alarm function.
Fig. 3-3 has the console controller 24b schematic diagram of the control system for air conditioner of inflammable and explosive and toxic gas security alarm function.
Among the figure: 1 power supply stabilization circuit, 2 collecting sensor signal circuit, 3a connects plug-in unit, 4 buzzer drive circuits, 5a cpu circuit, 6 self checks, select circuit when contracting, 7 console controller a communicating circuits, 8 relay drive circuits, 9a relay executive circuit, 10 data storage circuits, 11 manual operator type selecting circuit, 12 manual operator communicating circuits, the 13b cpu circuit, 14 key scanning circuits, 15 display driver circuits, 16b connects plug-in unit, 17 circuit of testing the phase sequence, 18 current detection circuits, 19b relay executive circuit, 20 air conditioners, 21 gas sensors, 22 manual operators, 23a console controller, 24b console controller.
The specific embodiment
The utility model is described in further detail to utilize embodiment shown in the drawings below.
With reference to Fig. 1, have inflammable and explosive and air conditioner toxic gas security alarm function and have air conditioner 20, at the fan outlet place of air conditioner 20 evaporimeters gas sensor 21 is set.Gas sensor 21 is the commercially available prod.
With reference to Fig. 2 and 3-1, the control system with air conditioner of inflammable and explosive and toxic gas security alarm function is made up of manual operator 22, console controller 23a and console controller 24b.Control system be on the basis of existing control system for air conditioner, set up gas sensing signals collecting, demonstration first, target is closed and the interlock circuit of sound and light of alarm and the control system of the air conditioner with inflammable and explosive and toxic gas security alarm function formed.All components and parts of control system are the commercially available prod.Its software programming is the technology that the technical staff is familiar with according to automatically controlled and computer technology.Manual operator 22 is by cpu circuit 13b and connected data storage circuit 10, manual operator type selecting circuit 11, and manual operator communicating circuit 12, key scanning circuit 14 and display driver circuit 15 are formed.Key scanning circuit 14 have five button K1-K5 realize to air-conditioning automatically, freeze, dehumidify, ventilate, renew wind, humidification, the control of function such as heat, and the inversion temperature that cooling and warming conversion and dehumidifying add under the wet model under the flammable explosive gas that air-conditioning is detected, toxic gas scope, automatic mode is put isoparametric setting.Color screen LED1 in the display driver circuit 15 realizes the demonstration to function control and parameter setting, the drivings that the ic chip 3 of display driver circuit 15 is responsible for color screen LED1.Ic chip 1 in the data storage circuit 10 is an EEPROM, has the power-failure memory function, and the various parameters that it will manually be set are put down in writing, and calls during for whole operation of air conditioner.Manual operator type selecting circuit 11 obtains different partial pressure value by resistance R 23, R24 dividing potential drop and selects single cold air-conditioning, air conditioner.Manual operator communicating circuit 12 drives by triode Q6, resistance R 30, R25, with manual operator. order by manual operator communicating circuit 12 connection plug-in unit CN1 and console controller a communicating circuit 7 be connected the console controller a communicating circuit 7 that plug-in unit CON6 sends console controller 23a to, secondary drive by triode Q4, Q 5, send the feedback command and the parameter of the console controller a communicating circuit 7 of console controller 23a to manual operator communicating circuit 12, by above transmission with receive the communication that realizes manual operator 22 and console controller 23a.Cpu circuit 13b is the core of whole manual operator, is made up of single-chip microcomputer IC2 and peripheral circuit thereof, and ceramic filter CR1 provides oscillation source for single-chip microcomputer, and electric capacity E2, resistance R 31, diode D5 constitute the first electrify restoration circuit of single-chip microcomputer.
With reference to Fig. 1,2 and 3-2, console controller 23a is by cpu circuit 5a and connected power supply stabilization circuit 1, collecting sensor signal circuit 2, connect plug-in unit 3a, buzzer drive circuit 4, self check, select circuit 6 when contracting, console controller a communicating circuit 7, relay drive circuit 8 and relay executive circuit 9a form.Power supply stabilization circuit 1 becomes AC11V with AC220V through transformer T1 step-down, diode D1-D4 full-wave rectification, capacitor C 1, C2 filtering, obtain DC12V and offer driving chip IC 3, IC4 in relay executive circuit 9a repeat circuit line bag, the relay drive circuit 8, voltage stabilizing is DC5V through voltage-stablizer IC1 for the power supply of console controller 24b, manual operator 22 and buzzer drive circuit 4 buzzer BU1, DC12V.Connect plug-in unit CON2 in the collecting sensor signal circuit 2 and connect gas sensor 21, connect plug-in unit CON3 and connect compressor room's inner coil pipe temperature sensor and indoor temperature transmitter, connect plug-in unit CON4 and connect humidity sensor, pass through resistance R 1, R4, R3, R2 dividing potential drop respectively with the detected signal of upper sensor, the signal that obtains send the A/ D mouth pin 23,24,25,26 of the single-chip microcomputer IC2 of cpu circuit 5a, by single-chip microcomputer IC2 sampling processing.The CON5 that connects plug-in unit 3a be connected plug-in unit 16b connection; be responsible for host computer control 23a and be connected, coil temperature sensor outside the compressor room, compressor high voltage protective switch, compressor low-voltage protective switch, U phase square wave, V phase square wave, U phase current, V phase current are arranged respectively with the signal of console controller 24b.Buzzer drive circuit 4 drives buzzer BU1 by triode Q4, resistance R 7, R5, R6, pipes when button is pressed or when fault is arranged.Self check, select circuit 6 by resistance R 13 when contracting, R14 and short circuit piece F2, F3 forms, under the normal condition, because resistance R 13, draw on the R14, the single-chip microcomputer IC2 pin 5 of cpu circuit 5a, 7 is high level, in the production process, the short circuit cap of F2 is plugged, single-chip microcomputer IC2 pin 7 becomes low level, at this moment, single-chip microcomputer IC2 will make each target of console controller 23a work successively, to reach the purpose that detects each objective circuit, if the short circuit cap of F3 is plugged, single-chip microcomputer IC2 pin 5 becomes low level, at this moment, will become 1/10 of normal condition automatically if having time so that product development and product save time when detecting, reach the purpose of pick up speed, above function is used in product development and process of producing product.Console controller a communicating circuit 7 is identical with manual operator communicating circuit 12 principles, constitutes the data communication with manual operator.Relay drive circuit 8 is made up of ic chip 3 and IC4, is used to drive the relay of relay executive circuit 9a and relay executive circuit 19b, and the purpose that connects plug-in unit CON7 realization console controller 23a and console controller 24b is connected.Relay executive circuit 9a is made up of relay J 1-J6, controls indoor air velocity, electrical heating respectively, renews wind, humidifier, and resistance on the relay contact and electric capacity are used to remove spark.Cpu circuit 5a is the core of console controller 23a, is made up of single-chip microcomputer IC2 and peripheral circuit thereof, and crystal oscillator CRY provides oscillation source for single-chip microcomputer IC2, and electric capacity E10 and resistance R 8 provide single-chip microcomputer IC2 first power-on reset signal.Capacitor C 5, C6 directly connect single-chip microcomputer IC2 power pins 42 near, be used to remove the clutter of DC5V, play anti-interference effect.
With reference to Fig. 2 and 3-3, console controller 24b is by connecting plug-in unit 16b, circuit of testing the phase sequence 17, and current detection circuit 18 and relay executive circuit 19b connect to form.Connect the CON34 realization console controller 23a of plug-in unit 16b and being connected of console controller 24b power supply and signal, connector CON31, CON32, CON33 connect coil temperature sensor outside the compressor room, compressor high voltage protective switch, compressor low-voltage protective switch successively.Circuit of testing the phase sequence 17 is realized the phase sequence that connects the compressor three phase mains is detected, meet power of compressor line U and pass current transformer CT1, CT2 mutually respectively with V mutually, induced voltage passes through diode V307, V309 halfwave rectifier respectively, give voltage comparator ic 301, voltage comparator ic 301 is two-way comparators, resistance R 308, R309 and resistance R 310, R311 dividing potential drop constitute the reference voltage and the output circuit of two-way respectively, finally respectively 1 output of voltage comparator ic 301 pins 7 and pin and U mutually, the corresponding to square wave of V send console controller 23a processing.During processing, if find that U phase, V are mutually correct, W is also correct mutually so, otherwise one mistake or phase shortage are all reported to the police mutually.Current detection circuit 18 is realized connecting the current detecting of compressor three phase mains, meet power of compressor line U and pass current transformer CT1, CT2 mutually respectively with V mutually, induced voltage passes through diode V308, V310 halfwave rectifier respectively, electrochemical capacitor C310, C312 voltage stabilizing, resistance R 314, R315 and resistance R 318, R319 dividing potential drop send indoor control panel to handle respectively this signal.During processing, if find U phase, V phase current in allowed band, W is mutually also in allowed band so, otherwise one mutually too high or too lowly all report to the police.Relay executive circuit 19b is made up of relay J 10-J12, control compressor, cross valve, condenser fan respectively, as when the needs compressor operating, relay J 10 line Bao Dedian, the normally opened contact closure connects plug-in unit COMP and gets, compressor operating, capacitor C 313 is connected on the relay contact with resistance R 305, the spark that is used to remove relay closes and discharges moment, and the resistance on other relay is identical therewith with the electric capacity effect.
With reference to Fig. 2,3-1,3-2 and 3-3, gas sensor signal collection to air conditioner with inflammable and explosive and toxic gas security alarm function, show, the circuit that target is closed and sound and light alarm is relevant elaborates: the collecting sensor signal circuit 2 of console controller 23a has gas sensor signal and gathers shaping circuit, gas sensor signal is gathered shaping circuit and with fan outlet place at air conditioner 20 evaporimeters gas sensor 21 is set and is connected, gas sensor signal is gathered shaping circuit and is connected with the cpu circuit 5a of console controller 23a, the cpu circuit 5a of console controller 23a respectively with the buzzer drive circuit 4 of console controller 23a, console controller a communicating circuit 7, relay drive circuit 8 is connected with relay executive circuit 9a, the cpu circuit 5a of console controller 23a is by connecting plug-in unit 3a and being connected plug-in unit 16b and being connected with the relay executive circuit 19b of console controller 24b, the console controller a communicating circuit 7 of console controller 23a is connected with manual operator communicating circuit 12, manual operator communicating circuit 12 is connected with the cpu circuit 13b of manual operator 22, and the cpu circuit 13b of manual operator 22 is connected with the display driver circuit 15 of manual operator 22; The relay drive circuit 8 of console controller 23a is connected with current detection circuit 18 with the relay executive circuit 19b of console controller 24b respectively by connecting plug-in unit 16b.Described gas sensor signal is gathered shaping circuit by inductance L 1, L2, resistance R 100, and electric capacity E10 and capacitor C 100 connect to form.
The connection plug-in unit CON2 of the collecting sensor signal circuit 2 of console controller 23a connects gas sensor 21.Gas sensor signal is gathered the reference power supply that shaping circuit 2 provides gas sensor work, and inductance L 1 is used for power filter, plays anti-interference effect.Resistance R 1 is used for the signal sampling of gas sensor output, if gas sensor is a voltage-type, then the output voltage of gas sensor calculates by following formula: V
0=R100 * VCC/ (RS+R100), wherein resistance R 100 is a divider resistance in the schematic diagram, and VCC is power supply DC5V, and RS is the current resistance of the corresponding gas concentration of gas sensor correspondence, and during practical operation, IC2 detects V by cpu circuit 5a single-chip microcomputer
0, resistance R 100, power supply VCC are constant, calculate the current resistance RS of corresponding gas sensor according to above-mentioned formula, and then check in gas concentration in the current environment according to gas sensor concentration and the resistance relation table that producer provides.If gas sensor is a current mode, then the output voltage of gas sensor calculates by following formula: V
0=I
0* R100, wherein V
0Be gas sensor output voltage, I
0Be the gas sensor output current, R100 is a divider resistance, and during practical operation, IC2 detects V by cpu circuit 5a single-chip microcomputer
0, resistance R 1 is a constant, calculates the current electric current I of corresponding gas sensor according to above-mentioned formula
0, and then check in gas concentration in the current environment according to gas sensor concentration and the current relationship table that producer provides.Electric capacity E10, C100 and inductance L 2 constitute the filtering of II type, are used for wave mode shaping, filtering, anti-interference to the gas output voltage.By handling with up-sampling and single-chip microcomputer IC2, obtain current gas concentration, cpu circuit 5a single-chip microcomputer IC2 give manual operator communicating circuit 12 with this signal through console controller a communicating circuit 7, manual operator communicating circuit 12 is given the cpu circuit 13b of manual operator 22 with signal, and the cpu circuit 13b of manual operator 22 shows gas concentration.If find that gas concentration exceeds standard or gas sensor 21 short circuits, the cpu circuit 13b of manual operator 22 shows failure code, cpu circuit 5a single-chip microcomputer IC2 makes relay executive circuit 9a closed relay and respective chambers target, cpu circuit 5a single-chip microcomputer IC2 is control relay drive circuit 8 simultaneously, relay drive circuit 8 is given current detection circuit 18 with signal by connecting plug-in unit 16b, in order to the cut-off of control relay executive circuit 19b.Cpu circuit 5a single-chip microcomputer IC2 also controls the buzzer BU1 warning of buzzer drive circuit 4 in addition.
Claims (2)
1. one kind has inflammable and explosive and air conditioner toxic gas security alarm function, it comprises air conditioner (20) and control system for air conditioner, described control system for air conditioner is by manual operator (22), console controller (23a) and console controller (24b) are formed, it is characterized in that: the collecting sensor signal circuit (2) of console controller (23a) also comprises gas sensor signal collection shaping circuit, gas sensor signal is gathered shaping circuit and is connected with gas sensor (21) in the setting of the fan outlet place of air conditioner (20) evaporimeter, gas sensor signal is gathered shaping circuit and is connected with the cpu circuit (5a) of console controller (23a), the cpu circuit (5a) of console controller (23a) respectively with the buzzer drive circuit (4) of console controller (23a), console controller a communicating circuit (7), relay drive circuit (8) is connected with relay executive circuit (9a), the cpu circuit (5a) of console controller (23a) is by connecting plug-in unit (3a) and being connected plug-in unit (16b) and being connected with the relay executive circuit (19b) of console controller (24b), the console controller a communicating circuit (7) of console controller (23a) is connected with manual operator communicating circuit (12), manual operator communicating circuit (12) is connected with the cpu circuit (13b) of manual operator (22), the cpu circuit (13b) of manual operator (22) is connected with the display driver circuit (15) of manual operator (22), and the relay drive circuit (8) of console controller (23a) is connected with relay executive circuit (19b) with the current detection circuit (18) of console controller (24b) by connecting plug-in unit (16b).
2. according to claim 1 have inflammable and explosive and air conditioner toxic gas security alarm function, it is characterized in that: described gas sensor signal is gathered shaping circuit by inductance (L1, L2), resistance (R100), electric capacity (E10) and electric capacity (C100) connect to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620028209XU CN2872174Y (en) | 2006-01-26 | 2006-01-26 | Air Conditioner with explosive, inflammable and poisonous gas alarming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620028209XU CN2872174Y (en) | 2006-01-26 | 2006-01-26 | Air Conditioner with explosive, inflammable and poisonous gas alarming function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2872174Y true CN2872174Y (en) | 2007-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620028209XU Expired - Lifetime CN2872174Y (en) | 2006-01-26 | 2006-01-26 | Air Conditioner with explosive, inflammable and poisonous gas alarming function |
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| CN (1) | CN2872174Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367981A (en) * | 2011-07-21 | 2012-03-07 | 海尔集团公司 | Air conditioner and method by utilizing air conditioner to remove formaldehyde |
| CN103591646A (en) * | 2013-11-25 | 2014-02-19 | 太仓莫迪思能源工程有限公司 | Explosion-proof air-conditioning system |
| CN105091186A (en) * | 2014-04-29 | 2015-11-25 | 珠海格力电器股份有限公司 | Phase sequence protection method and system for air conditioning unit |
| CN108072534A (en) * | 2017-12-13 | 2018-05-25 | 格力电器（武汉）有限公司 | Fan monitoring system, monitoring control method and device |
| CN111706949A (en) * | 2020-05-29 | 2020-09-25 | 昆明理工大学 | Fresh air disinfection circulating device for underground supermarket |
-
2006
- 2006-01-26 CN CNU200620028209XU patent/CN2872174Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367981A (en) * | 2011-07-21 | 2012-03-07 | 海尔集团公司 | Air conditioner and method by utilizing air conditioner to remove formaldehyde |
| CN102367981B (en) * | 2011-07-21 | 2014-04-30 | 海尔集团公司 | Air conditioner and method by utilizing air conditioner to remove formaldehyde |
| CN103591646A (en) * | 2013-11-25 | 2014-02-19 | 太仓莫迪思能源工程有限公司 | Explosion-proof air-conditioning system |
| CN105091186A (en) * | 2014-04-29 | 2015-11-25 | 珠海格力电器股份有限公司 | Phase sequence protection method and system for air conditioning unit |
| CN108072534A (en) * | 2017-12-13 | 2018-05-25 | 格力电器（武汉）有限公司 | Fan monitoring system, monitoring control method and device |
| CN111706949A (en) * | 2020-05-29 | 2020-09-25 | 昆明理工大学 | Fresh air disinfection circulating device for underground supermarket |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070221 |
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| EXPY | Termination of patent right or utility model |