CN204422078U - A kind of passive warning device of firing equipment - Google Patents
A kind of passive warning device of firing equipment Download PDFInfo
- Publication number
- CN204422078U CN204422078U CN201520140540.XU CN201520140540U CN204422078U CN 204422078 U CN204422078 U CN 204422078U CN 201520140540 U CN201520140540 U CN 201520140540U CN 204422078 U CN204422078 U CN 204422078U
- Authority
- CN
- China
- Prior art keywords
- resistance
- firing equipment
- control module
- output terminal
- conversion element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Fire-Detection Mechanisms (AREA)
Abstract
A kind of passive warning device of firing equipment, comprise temperature sensor, alarm modules, electrothermal module and control module, this electrothermal module comprises thermoelectric conversion element and voltage boosting and stabilizing circuit, this thermoelectric conversion element to be fixed on firing equipment sidewall and to keep heat transfer with firing equipment, this thermoelectric conversion element output terminal connects voltage boosting and stabilizing circuit, the power supply output terminal link control module of this voltage boosting and stabilizing circuit and temperature sensor; This temperature sensor is installed on firing equipment sidewall to export the voltage signal relevant to heating apparatus temperature and to deliver to the comparative voltage input end of control module; This control module is connected with alarm modules and reports to the police for controlling alarm modules.The utility model adopts passive design, use monitor the energy source of thermal source as device work, without the need to internal battery or external power supply, compare traditional active warning device, there is the advantages such as dependable performance, energy-conserving and environment-protective, mobility are strong and non-maintaining.
Description
Technical field
The utility model relates to monitoring temperature field, particularly a kind of passive warning device of firing equipment.
Background technology
At present, alarm on the market for firing equipment is a lot, infrared ray is such as utilized to carry out the infrared temperature alarm of non-contact temperature measuring, by the long-range GSM temperature alarm of GSM message telecommunication, and utilize laser and photosensitive reflector plate thermometric and sent the temperature alarm etc. of alarm by bluetooth.But because of its complex structure, cost is higher.Although also there is product relatively simple for structure, as directly utilized the temperature alarm of temperature sensor thermometric, but all take the structural design of active (internal battery or external power supply) in current programme, this will cause the adverse consequencess such as the maintenance cost of device increases, mobility reduction.
On the other hand, existing passive alarm only has the physical principle alarm utilizing steam driven whistle sounding.Although such alarm arrangement is simple, cost is lower, also there is significant limitation.First it needs enough large air pressure and could work, so only could report to the police when water is boiled, and alert if underaction; Secondly, easily lost efficacy after Long-Time Service, chimes of doom diminishes even does not have sound; Finally, its type of alarm is only blown a whistle this kind of mode, and type of alarm is too single, cannot meet the demand of people completely.
Utility model content
Fundamental purpose of the present utility model is to overcome above-mentioned defect of the prior art, propose a kind ofly to monitor the temperature of firing equipment under without the condition of external power source and send the passive warning device of sound and light alarm when meeting alert if (exceeding early warning temperature etc.), there is simple and compact for structure, the diversified advantage of economize energy, alert if.
The utility model adopts following technical scheme:
A kind of passive warning device of firing equipment, comprise temperature sensor and alarm modules, it is characterized in that: also comprise electrothermal module and control module, this electrothermal module comprises thermoelectric conversion element and voltage boosting and stabilizing circuit, this thermoelectric conversion element to be fixed on firing equipment sidewall and to keep heat transfer with firing equipment, this thermoelectric conversion element output terminal connects voltage boosting and stabilizing circuit, and the power supply output terminal link control module of this voltage boosting and stabilizing circuit and temperature sensor are with the power supply of implement device; This temperature sensor is installed on firing equipment sidewall to export the voltage signal relevant to heating apparatus temperature and to deliver to the comparative voltage input end of control module; When this control module is connected with alarm modules to exceed the voltage of reference voltage input at voltage signal, controls alarm modules and report to the police.
Described thermoelectric conversion element side is fixed with heat-conducting plate, and this heat-conducting plate is pasted on described firing equipment sidewall, and described thermoelectric conversion element opposite side is provided with heat radiator.
Described voltage boosting and stabilizing circuit comprises boost chip, inductance, the first resistance, the second resistance, energy-storage travelling wave tube, the second electric capacity and the 3rd electric capacity, the voltage input end of this boost chip connects the output terminal of energy-storage travelling wave tube one end, inductance one end and thermoelectric conversion element, the inductance link of this boost chip connects the inductance other end, the other end ground connection of this energy-storage travelling wave tube; The power supply output terminal of this boost chip connects first resistance one end and the 3rd electric capacity one end, and this first resistance other end connects second resistance one end, this second resistance other end ground connection, the 3rd electric capacity other end ground connection; The controlled stage end of this boost chip connects second electric capacity one end, this second electric capacity other end ground connection.
Described energy-storage travelling wave tube adopts super capacitor or accumulator.
Described temperature sensor comprises the 3rd resistance, the 4th resistance, the 5th resistance and thermistor, and the 3rd resistance one end is connected with the power supply output terminal of voltage boosting and stabilizing circuit, and the other end connects the reference voltage input of the 5th resistance one end and control module; 4th resistance one end is connected with the power supply output terminal of voltage boosting and stabilizing circuit, and the other end connects the comparative voltage input end of thermistor one end and control module; The 5th resistance other end and the equal ground connection of the thermistor other end.
Described control module comprises operational amplifier, this operational amplifier is provided with the comparative voltage input end and reference voltage input that are connected with temperature sensor, and to power the anode and earth terminal that output terminal is connected with electrothermal module, be connected with the 6th resistance between this comparative voltage input end and control module output terminal.
Described alarm modules comprises hummer and light emitting diode, and the anode of this hummer is connected with control module output terminal, negative terminal connecting luminous diode anode, this light emitting diode negativing ending grounding.
From above-mentioned to description of the present utility model, compared with prior art, the utility model has following beneficial effect:
The utility model can for multiple packaged type firing equipment, such as fire coal, combustion gas kettle, electromagnetic oven heater, microwave applicator etc.By monitoring firing equipment internal temperature, and audible and visible alarm can be sent when meeting alert if.This device adopts passive design, use monitor the energy source of thermal source as device work, without the need to internal battery or external power supply, compare traditional active warning device, there is the advantages such as dependable performance, energy-conserving and environment-protective, mobility are strong and non-maintaining.
In addition, this device is not when firing equipment works, and inside no longer powers, device auto sleep; When firing equipment is started working, device can start automatically, and carry out monitoring to firing equipment and report to the police, this characteristic from dormancy reduce further the loss of device, extends the serviceable life of device.
Accompanying drawing explanation
Fig. 1 is circuit module figure of the present utility model;
Fig. 2 is the schematic diagram that the utility model is installed on electric kettle;
Fig. 3 is the utility model circuit connection diagram;
Fig. 4 is that the utility model thermoelectric conversion element fixes schematic diagram;
Wherein: 10, firing equipment; 20, heat-conducting plate; 21, heat-conducting glue; 30, heat radiator; 40, electrothermal module; 41, thermoelectric conversion element; 50, temperature sensor; 60, control module; 70, alarm modules; L1, inductance; C1, energy-storage travelling wave tube; C2, the second electric capacity; C3, the 3rd electric capacity; R1, the first resistance; R2, the second resistance; R3, the 3rd resistance; R4, the 4th resistance; R5, the 5th resistance; Rt, thermistor; R6, the 6th resistance; D1, light emitting diode; LS1, hummer; U1A, operational amplifier.
Embodiment
Below by way of embodiment, the utility model will be further described.
Referring to figs. 1 through Fig. 4, a kind of passive warning device of firing equipment, comprises temperature sensor 50, alarm modules 70, electrothermal module 40 and control module 60.This electrothermal module 40 comprises thermoelectric conversion element 41 and voltage boosting and stabilizing circuit.This thermoelectric conversion element 41 selects F40550, and its hot side installs heat-conducting plate 20, and is fixed by heat-conducting glue 21 and firing equipment 10 sidewall, keeps good heat transfer; Heat radiator 30 installed by its huyashi-chuuka (cold chinese-style noodles), can adopt aluminium alloy heat radiation scale, directly with outside ambient air contact, ensure excellent heat dispersion performance.This thermoelectric conversion element 41 output terminal connects voltage boosting and stabilizing circuit and is used for the temperature potential energy difference of the thermal source of firing equipment 10 and external environment be converted to electric energy (voltage) Vo and export voltage boosting and stabilizing circuit to.
Voltage boosting and stabilizing circuit comprises boost chip, inductance L 1, first resistance R1, the second resistance R2, energy-storage travelling wave tube C1, the second electric capacity C2 and the 3rd electric capacity C3.This boost chip adopts TPS61200 chip, its voltage input end VIN connects the output terminal of energy-storage travelling wave tube C1 one end, inductance L 1 one end and thermoelectric conversion element 41, the inductance link L of this boost chip connects inductance L 1 other end, the other end ground connection of this energy-storage travelling wave tube C1.The power supply output terminal VOUT of this boost chip connects first resistance R1 one end and the 3rd electric capacity C3 one end, and this first resistance R1 other end connects second resistance R2 one end, this second resistance R2 other end ground connection, the 3rd electric capacity C3 other end ground connection; The controlled stage end VAUX of this boost chip connects second electric capacity C2 one end, this second electric capacity C2 other end ground connection.Enable Pin EN, energy saver mode control end PS, the low pressure latched comparator input end UVLO of boost chip are all connected with voltage input end VIN.Energy-storage travelling wave tube C1 of the present utility model can adopt super capacitor or accumulator, and the power supply output terminal VOUT link control module 60 of voltage boosting and stabilizing circuit is with the power supply of implement device, and exportable 3.3v DC voltage is as the working power of device.
Control module 60 adopts LM358 operational amplifier U1A and the 6th resistance R6 to form homophase hysteresis comparator.This operational amplifier U1A is provided with the comparative voltage input end (being in-phase input end "+") and reference voltage input (being inverting input "-") that are connected with temperature sensor 50, and to power the anode and earth terminal that output terminal VOUT is connected with electrothermal module 40, be connected the 6th resistance R6 between this comparative voltage input end with control module 60 output terminal.
Temperature sensor 50 is installed on firing equipment 10 sidewall to export with the voltage signal of firing equipment 10 temperature correlation and to deliver to the comparative voltage input end of control module 60.Temperature sensor 50 comprises the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5 and thermistor Rt.3rd resistance R3 and the 5th resistance R5 forms a brachium pontis, and the 4th resistance R4 and thermistor Rt forms another brachium pontis.3rd resistance R3 one end is connected with the power supply output terminal VOUT of voltage boosting and stabilizing circuit, and the other end connects the reference voltage input of the 5th resistance R5 one end and control module 60, and the 5th resistance R5 is the adjustable resistance of 0-2K Ω.4th resistance R4 one end is connected with the power supply output terminal VOUT of voltage boosting and stabilizing circuit, and the other end connects the comparative voltage input end of thermistor Rt one end and control module 60.The 5th resistance R5 other end and the equal ground connection of the thermistor Rt other end.Thermistor Rt selects PT1000, and its sidewall being installed on firing equipment 10 together with thermoelectric conversion element 41 realizes heat transfer, and with the rising of temperature in firing equipment 10, approximately linear increases the resistance of thermistor Rt.
This control module 60 output terminal is connected with when the voltage of comparative voltage input end exceedes the voltage of reference voltage input with alarm modules 70, control alarm modules 70 and report to the police.Alarm modules 70 comprises 3.3V active buzzer LS1 and light emitting diode D1, and the anode of this hummer LS1 is connected with control module 60 output terminal, negative terminal connecting luminous diode D1 anode, this light emitting diode D1 negativing ending grounding.
Passive warning device of the present utility model, for kettle, is installed on the appropriate location on kettle by firing equipment 10, and its principle of work is as follows:
When kettle is heated, along with the rising of temperature in kettle, the temperature potential energy difference of thermal source and external environment is converted to electric energy (voltage) Vo by thermoelectric conversion element 41, to be promoted and voltage stabilizing process obtains the working power of 3.3v DC voltage as device by voltage boosting and stabilizing circuit to this thermoelectric voltage signal Vo; Meanwhile, the resistance of thermistor Rt increases, then the voltage inputing to comparative voltage input end also increases thereupon, when this voltage is less than reference voltage, operational amplifier U1A output low level is to alarm modules 70, and alarm modules 70 does not work, hummer LS1 not sounding, diode is not luminous; When comparative voltage input end voltage with temperature raise increase to gradually be greater than reference voltage time, operational amplifier U1A export high level to alarm modules 70, alarm modules 70 works, hummer LS1 sounding, LED lighting, start warning.In addition, by regulating resistance and the adjustable reference voltage of the 5th resistance R5, thus the alarm temperature of modifier.
Above are only embodiment of the present utility model, but design concept of the present utility model is not limited thereto, all changes utilizing this design the utility model to be carried out to unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (7)
1. the passive warning device of a firing equipment, comprise temperature sensor and alarm modules, it is characterized in that: also comprise electrothermal module and control module, this electrothermal module comprises thermoelectric conversion element and voltage boosting and stabilizing circuit, this thermoelectric conversion element to be fixed on firing equipment sidewall and to keep heat transfer with firing equipment, this thermoelectric conversion element output terminal connects voltage boosting and stabilizing circuit, and the power supply output terminal link control module of this voltage boosting and stabilizing circuit and temperature sensor are with the power supply of implement device; This temperature sensor is installed on firing equipment sidewall to export the voltage signal relevant to heating apparatus temperature and to deliver to the comparative voltage input end of control module; When this control module is connected with alarm modules to exceed the voltage of reference voltage input at voltage signal, controls alarm modules and report to the police.
2. the passive warning device of a kind of firing equipment as claimed in claim 1, is characterized in that: described thermoelectric conversion element side is fixed with heat-conducting plate, and this heat-conducting plate is pasted on described firing equipment sidewall, and described thermoelectric conversion element opposite side is provided with heat radiator.
3. the passive warning device of a kind of firing equipment as claimed in claim 1, it is characterized in that: described voltage boosting and stabilizing circuit comprises boost chip, inductance, the first resistance, the second resistance, energy-storage travelling wave tube, the second electric capacity and the 3rd electric capacity, the voltage input end of this boost chip connects the output terminal of energy-storage travelling wave tube one end, inductance one end and thermoelectric conversion element, the inductance link of this boost chip connects the inductance other end, the other end ground connection of this energy-storage travelling wave tube; The power supply output terminal of this boost chip connects first resistance one end and the 3rd electric capacity one end, and this first resistance other end connects second resistance one end, this second resistance other end ground connection, the 3rd electric capacity other end ground connection; The controlled stage end of this boost chip connects second electric capacity one end, this second electric capacity other end ground connection.
4. the passive warning device of a kind of firing equipment as claimed in claim 3, is characterized in that: described energy-storage travelling wave tube adopts super capacitor or accumulator.
5. the passive warning device of a kind of firing equipment as claimed in claim 1, it is characterized in that: described temperature sensor comprises the 3rd resistance, the 4th resistance, the 5th resistance and thermistor, 3rd resistance one end is connected with the power supply output terminal of voltage boosting and stabilizing circuit, and the other end connects the reference voltage input of the 5th resistance one end and control module; 4th resistance one end is connected with the power supply output terminal of voltage boosting and stabilizing circuit, and the other end connects the comparative voltage input end of thermistor one end and control module; The 5th resistance other end and the equal ground connection of the thermistor other end.
6. the passive warning device of a kind of firing equipment as claimed in claim 1, it is characterized in that: described control module comprises operational amplifier, this operational amplifier is provided with the comparative voltage input end and reference voltage input that are connected with temperature sensor, and to power the anode and earth terminal that output terminal is connected with electrothermal module, be connected with the 6th resistance between this comparative voltage input end and control module output terminal.
7. the passive warning device of a kind of firing equipment as claimed in claim 1, it is characterized in that: described alarm modules comprises hummer and light emitting diode, the anode of this hummer is connected with control module output terminal, negative terminal connecting luminous diode anode, this light emitting diode negativing ending grounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140540.XU CN204422078U (en) | 2015-03-12 | 2015-03-12 | A kind of passive warning device of firing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140540.XU CN204422078U (en) | 2015-03-12 | 2015-03-12 | A kind of passive warning device of firing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204422078U true CN204422078U (en) | 2015-06-24 |
Family
ID=53472435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520140540.XU Expired - Fee Related CN204422078U (en) | 2015-03-12 | 2015-03-12 | A kind of passive warning device of firing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204422078U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966374A (en) * | 2015-07-08 | 2015-10-07 | 北京依米康科技发展有限公司 | Low-melting point metal thermoelectric fire alarm device |
| CN105513293A (en) * | 2016-03-03 | 2016-04-20 | 广西民族大学 | Passive temperature difference alarm system |
| CN106644114A (en) * | 2017-01-06 | 2017-05-10 | 四川埃姆克伺服科技有限公司 | Temperature sensor signal processing circuit |
| CN108183274A (en) * | 2017-12-11 | 2018-06-19 | 厦门盈趣科技股份有限公司 | The calandria of high temperature alarm after power-off |
-
2015
- 2015-03-12 CN CN201520140540.XU patent/CN204422078U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966374A (en) * | 2015-07-08 | 2015-10-07 | 北京依米康科技发展有限公司 | Low-melting point metal thermoelectric fire alarm device |
| CN105513293A (en) * | 2016-03-03 | 2016-04-20 | 广西民族大学 | Passive temperature difference alarm system |
| CN106644114A (en) * | 2017-01-06 | 2017-05-10 | 四川埃姆克伺服科技有限公司 | Temperature sensor signal processing circuit |
| CN108183274A (en) * | 2017-12-11 | 2018-06-19 | 厦门盈趣科技股份有限公司 | The calandria of high temperature alarm after power-off |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204422078U (en) | A kind of passive warning device of firing equipment | |
| CN203538981U (en) | Wireless charging heating cup | |
| CN105823335A (en) | Non-disturbance warming-up equipment for activating oven | |
| CN203261265U (en) | Waste heat power generation device | |
| CN108168086A (en) | A kind of self-powered electric heating circulation system | |
| CN106385202A (en) | Gas appliance self-powering method through thermoelectric power generation | |
| CN107544333A (en) | A kind of automation data intelligent monitor system based on mobile internet-of-things terminal | |
| CN205079883U (en) | High tension switchgear detection circuitry | |
| CN201464938U (en) | Automatic heating constant temperature control system for base station | |
| CN107270773A (en) | A kind of high emulation thunder and lightning formula electronic firecracker controller of safety | |
| CN203273992U (en) | Energy-saving bracket of cooking range | |
| CN203848941U (en) | Overheat alarm circuit system for oil-immersed transformer | |
| CN110635161A (en) | Lithium battery for solar street lamp | |
| CN201637098U (en) | Hot-blast furnace with PTC heating element | |
| CN213747319U (en) | High-temperature alarm hot air type combustor | |
| CN209767832U (en) | Energy-saving safe and efficient full-frequency heating system | |
| CN204260708U (en) | A kind of shoe baking device of wireless power | |
| CN108183274A (en) | The calandria of high temperature alarm after power-off | |
| CN204128697U (en) | Busbar joint overtemperature attention device | |
| CN216776682U (en) | Automatic power-off heat-insulation circuit for stewpot | |
| CN206099489U (en) | Power supply system for house | |
| CN204027319U (en) | Mould heating furnace | |
| CN103199765A (en) | Household stove waste heat power generation system | |
| CN208547001U (en) | The energy saver of boiler | |
| CN107770289A (en) | A kind of Internet of Things automation data intelligent monitor system |
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: 20150624 Termination date: 20180312 |