CN212624312U - Device for detecting fire and air conditioner - Google Patents
Device for detecting fire and air conditioner Download PDFInfo
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- CN212624312U CN212624312U CN202020918832.2U CN202020918832U CN212624312U CN 212624312 U CN212624312 U CN 212624312U CN 202020918832 U CN202020918832 U CN 202020918832U CN 212624312 U CN212624312 U CN 212624312U
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- air conditioner
- live wire
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- alternating current
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Abstract
The utility model discloses a device for detecting fire and an air conditioner, which comprises a temperature sensor and a CO concentration sensor which are arranged on an air conditioner inner unit, wherein a circuit board of the air conditioner inner unit is connected with an external power supply through a first live wire and a first zero line, the first live wire and the first zero line are respectively connected with a normally closed contact of an AC contactor, the temperature sensor and the CO concentration sensor are electrically connected with the circuit board, the AC contactor and a warning module are both connected with the circuit board in parallel between a second live wire and a second zero line, the device for detecting fire detects the indoor temperature gradient and the CO concentration gradient by arranging the temperature sensor and the CO concentration sensor on the air conditioner inner unit, when the indoor temperature gradient and the CO concentration gradient exceed predicted values, the warning module sends out fire warning to remind users by arranging large capacitors, the large capacitor is used for supplying power to the warning module under the conditions of fire or gas leakage and the like, and the warning module operates normally.
Description
Technical Field
The utility model relates to an air conditioner field, in particular to detect device and air conditioner of conflagration.
Background
The air conditioner is an air conditioner which can be moved at will, an external machine is not needed, professional installation is not needed, the air conditioner is designed in an integral mode, a compressor evaporator and a condenser are all integrated together, the air conditioner is not a semi-finished product any more, the air conditioner can be used after being plugged, professional machine moving is not needed, universal casters are arranged, and the air conditioner can be moved to any position of a home or an office; furthermore, the wall opening is not needed to be punched for installing the connecting pipe; can work after being connected with a household power supply, does not need to be installed, and can be moved at will. The power and cooling capacity of the air conditioner are basically the same as those of a common air conditioner. The difference is the air flue circulation design, and the air volume circulation of ordinary air conditioner is to indoor air circulation, and the air conditioner is when reducing indoor air temperature, and the outdoor fresh air of inhaling again, and the air conditioner carries out cold and heat exchange refrigeration heat through outdoor compressor in essence, and the air conditioner is accomplished by indoor set alone.
In the prior art, an air conditioner is generally only used for refrigerating and heating, improving humidity and the like, and can not detect indoor fire, gas leakage and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a device for detecting fire and an air conditioner, which are used to solve the problem that the existing air conditioner is generally only used for cooling and heating and improving humidity, and cannot detect the fire or gas leakage in a room.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a device for detecting fire comprises a temperature sensor and a CO concentration sensor which are arranged on an air conditioner indoor unit, wherein a circuit board of the air conditioner indoor unit is connected with an external power supply through a first live wire and a first zero line, the first live wire and the first zero line are respectively connected with a normally closed contact of an alternating current contactor, the temperature sensor and the CO concentration sensor are electrically connected with the circuit board, the alternating current contactor and a warning module are connected in parallel with the circuit board between a second live wire and a second zero line, the warning module is connected in parallel with the second live wire and the second zero line after being connected in series with a normally open contact of the alternating current contactor, the temperature sensor and the CO concentration sensor sense that indoor temperature gradient or CO concentration gradient reaches a preset value, the circuit board sends out a control signal, the alternating current contactor is electrified, and the normally closed contact of the alternating current contactor is disconnected, and the normally open contact of the alternating current contactor is closed.
Temperature sensor and CO concentration sensor 4 respond to indoor temperature and CO concentration, and when temperature or CO concentration gradient surpassed the default, temperature sensor and CO concentration sensor 4 sent feedback signal for the circuit board, the circuit board sends control signal, makes relay KMOQ circular telegram, ac contactor's normally closed contact disconnection, with the air conditioner outage, prevent that the air conditioner is heated when the conflagration and explodes, warning module sends warning signal, reminds the user.
Furthermore, the warning module comprises a warning lamp and a voice system, and the warning lamp and the voice system are connected in parallel with the second live wire and the second zero wire after being connected in series with the normally open contact of the alternating current contactor.
When the alternating current contactor is electrified, the normally open contact of the alternating current contactor is closed, the warning lamp works with the voice system, the warning lamp gives out alarm sound, and the voice system gives out sound signals to remind a user of extinguishing fire in time.
Furthermore, the warning module further comprises a camera and a wireless module, and the camera and the wireless module are connected in parallel between the second live wire and the second zero wire.
The camera automatically shoots to record indoor conditions, and the wireless module transmits signals to remind a user of the conditions in the house.
Further, a large capacitor is connected in parallel between the second live wire and the second zero wire, and the large capacitor is arranged between the circuit board and the alternating current contactor.
After the air conditioner is powered off, the large capacitor supplies power to the warning module, so that the warning module can still work after the air conditioner is powered off.
Furthermore, an intermediate relay is connected between the second live wire and the second zero wire in parallel, a normally open contact of the intermediate relay is arranged on the second live wire between the large capacitor and the intermediate relay, and the large capacitor, the normally open contact of the intermediate relay and the intermediate relay are connected in series in sequence.
The normally open contact of the intermediate relay enables the circuit to be in a disconnected state, and when the intermediate relay is electrified, the circuit is conducted, so that the large capacitor is prevented from being damaged due to overhigh instantaneous voltage when the air conditioner is powered off.
Further, the normally closed contact of the alternating current contactor is a time delay switch.
Alternating current contactor is after the circular telegram, alternating current contactor's normally closed contact advances to become normally open (T1 ~ 999s) for T time, prevents that the air conditioner from being in the outage back, because instantaneous voltage is too high, leads to the circuit board to damage.
Further, the wireless module is in wireless connection with the mobile terminal.
And the wireless module transmits the information recorded by the camera to a mobile terminal to remind a user.
Further, the large capacitor and a jog switch is arranged on a zero line between the alternating current contactors, the jog switch is switched off, the alternating current contactors and the intermediate relay are powered off, and the normally closed contact of the alternating current contactors, the normally open contact of the alternating current contactors and the normally open contact of the relay KAO1 are switched on/off.
And by the inching switch, the large capacitance loop is cut off, so that the warning lamp and the voice system are closed, and the air conditioner can normally supply power.
Further, an air conditioner comprises the device for detecting the fire.
Compared with the prior art, a device and air conditioner that detect conflagration have following advantage: through set up temperature sensor and CO concentration sensor on air conditioner internal unit and detect indoor temperature gradient and CO concentration gradient, when detecting that indoor temperature gradient and CO concentration gradient surpass the predicted value, warning module sends the conflagration warning, reminds the user, through setting up big electric capacity, ensures under the condition such as conflagration breaing out or gas leakage, makes big electric capacity for warning module power supply, warning module normal operating.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
FIG. 1 is a schematic view of a first circuit connection according to the present invention;
fig. 2 is a schematic diagram of a second circuit connection according to the present invention.
Reference numerals:
1. a first firing line; 2. a normally closed contact of the AC contactor; 3. a circuit board; 4. a temperature sensor and a concentration sensor; 5. a first zero line; 6. a second firing line; 7. an intermediate relay; 8. a wireless module; 9. a camera; 10. a voice system; 11. a warning light; 12. an AC contactor; 13. a normally open contact of the intermediate relay; 14. a large capacitance; 15. a second zero line; 16. a jog switch; 17. a normally open contact of the AC contactor; 18. and an alarm module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
The first embodiment is as follows:
referring to the attached drawings 1-2, a device for detecting fire comprises a temperature sensor and a CO concentration sensor 4 which are arranged on an air conditioner indoor unit, a circuit board 3 of the air conditioner indoor unit is connected with an external power supply through a first live wire 1 and a first zero wire 5, the first live wire 1 and the first zero wire 5 are respectively connected with a normally closed contact 2 of an AC contactor, the temperature sensor and the CO concentration sensor 4 are both electrically connected with the circuit board 3, the AC contactor 12 and a warning module 18 are both connected with the circuit board 3 in parallel between a second live wire 6 and a second zero wire 15, the warning module 18 is connected with a normally open contact 17 of the AC contactor in series and then connected in parallel between the second live wire 6 and the second zero wire 15, the temperature sensor and the CO concentration sensor 4 sense that indoor temperature gradient or CO concentration gradient reaches a preset value, and the circuit board 3 sends a control signal, the alternating current contactor 12 is electrified, the normally closed contact 2 of the alternating current contactor is disconnected, and the normally open contact 17 of the alternating current contactor is closed.
Through temperature sensor and CO consistency transmitter 4 respond to indoor temperature and CO concentration gradient, work as temperature sensor and CO consistency transmitter 4 send feedback signal when sensing indoor temperature gradient and CO concentration gradient and surpass the default, feedback signal transmission extremely circuit board 3, circuit board 3 sends control signal, and control signal makes alternating current contactor 12 circular telegram, alternating current contactor 12 circular telegram back is located first live wire 1 with on the zero line 5 alternating current contactor's normally closed contact 2 disconnection, cuts off the power supply to the air conditioner, simultaneously warning module 18 sends warning signal, reminds the user in time to put out a fire.
Preferably, the normally closed contact 2 of the ac contactor is a time delay switch, and after the ac contactor 12 is powered on, the normally closed contact 2 of the ac contactor becomes normally open after a time T (T ═ 1 to 999s), so as to prevent the circuit board 3 from being damaged due to an excessively high instantaneous voltage after the air conditioner is powered off.
Example two:
on the basis of the first embodiment, the structure of the device for detecting a fire according to the first embodiment is further optimized:
the warning module 18 comprises a warning lamp 11 and a voice system 10, wherein the warning lamp 11 and the voice system 10 are connected in parallel with the second live wire 6 and the second zero wire 15 after being connected in series with a normally open contact 17 of the alternating current contactor.
Specifically, the control signal is right warning light 11 with voice system 10 supplies power, warning light 11 sends light warning signal, voice system 10 sends pronunciation warning signal, reminds the user in time to put out a fire.
Preferably, the warning module 18 further includes a camera 9 and a wireless module 8, the camera 9 and the wireless module 8 are connected in parallel between the second live wire 6 and the second zero wire 15, the camera 9 shoots indoor conditions, and the wireless module 8 wirelessly transmits information.
Preferably, the wireless module 8 is wirelessly connected with the mobile terminal, and the wireless module 8 transmits the warning signal and the home condition of the user shot by the camera 9 to the mobile terminal to remind the home condition of the user.
Example three:
on the basis of the first embodiment, the structure of the device for detecting a fire according to the first embodiment is further optimized:
the large capacitor 14 is connected in parallel between the second live wire 6 and the second neutral wire 15, and the large capacitor 14 is arranged between the circuit board 3 and the alternating current contactor 12.
Specifically, the large capacitor 14 is arranged on the circuit, and after the air conditioner is powered off, the large capacitor 14 supplies power to the circuit as a power supply, so that the warning lamp 11, the voice system 10, the camera 9 and the wireless module 8 can continue to work under the condition of no external power supply.
Example four:
on the basis of the first embodiment, the structure of the device for detecting a fire according to the first embodiment is further optimized:
the intermediate relay 7 is connected between the second live wire 6 and the second zero wire 15 in parallel, a normally open contact 13 of the intermediate relay is arranged on the second live wire 6 between the large capacitor 14 and the intermediate relay 7, and the large capacitor 14, the normally open contact 13 of the intermediate relay and the intermediate relay 7 are connected in series in sequence.
Specifically, the control signal sent by the circuit board 3 is the power supply of the alternating current contactor 12 and the intermediate relay 7, and the normally open contact 13 of the intermediate relay is closed, so that a circuit is formed, and the large capacitor 14 is prevented from being broken down to damage the large capacitor 14 due to overlarge instantaneous voltage when the air conditioner is powered off.
Example five:
on the basis of the third embodiment, the structure of the device for detecting a fire in the third embodiment is further optimized:
and a inching switch 16 is arranged on a zero line between the large capacitor 14 and the alternating current contactor 12, the inching switch 16 is switched off, the alternating current contactor 12 and the intermediate relay 7 are powered off, and the normally closed contact 2 of the alternating current contactor, the normally open contact 17 of the alternating current contactor and the normally open contact 13 of the intermediate relay are switched on/off.
Specifically, press inching switch 16, big electric capacity 14 stop to ac contactor 12 intermediate relay 7 power supply, ac contactor's normally closed contact 2 is the on-state by the off-state conversion, and the air conditioner circular telegram, normal operating, ac contactor's normally open contact 17 is the off-state by the on-state conversion, makes warning light 11 with voice system 10 outage, the air conditioner stops to send warning signal and speech signal, intermediate relay's normally open contact 13 is the off-state by the on-state conversion, with the circuit disconnection, through setting inching switch 16 replies normal power supply with the air conditioner, and the disconnection warning light 11 with voice system 10.
Example six:
the embodiment provides an air conditioner, including above-mentioned device that detects the conflagration, the air conditioner still includes conventional air conditioner refrigeration/heating parts such as compressor, evaporimeter, condenser, centrifugal fan.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (9)
1. The device for detecting the fire disaster comprises a temperature sensor and a CO concentration sensor (4) which are arranged on an air conditioner indoor unit, and is characterized in that a circuit board (3) of the air conditioner indoor unit is connected with an external power supply through a first live wire (1) and a first zero line (5), the first live wire (1) and the first zero line (5) are respectively connected with a normally closed contact (2) of an alternating current contactor, the temperature sensor and the CO concentration sensor (4) are electrically connected with the circuit board (3), the alternating current contactor (12) and a warning module (18) are connected in parallel with the circuit board (3) between a second live wire (6) and a second zero line (15), the warning module (18) is connected in parallel with a normally open contact (17) of the alternating current contactor after being connected in series, the temperature sensor and the CO concentration sensor (4) sense an indoor temperature gradient or a CO concentration gradient to a preset value, the circuit board (3) sends a control signal, the alternating current contactor (12) is electrified, the normally closed contact (2) of the alternating current contactor is disconnected, and the normally open contact (17) of the alternating current contactor is closed.
2. A device for detecting fire according to claim 1, wherein the warning module (18) comprises a warning light (11) and a voice system (10), and the warning light (11) and the voice system (10) are connected in series with the normally open contact (17) of the ac contactor and then connected in parallel between the second live wire (6) and the second neutral wire (15).
3. A fire detection device according to claim 2, wherein the warning module (18) further comprises a camera (9) and a wireless module (8), the camera (9) and the wireless module (8) being connected in parallel between the second live wire (6) and the second neutral wire (15).
4. A fire detection device according to claim 3, characterised in that a large capacitor (14) is connected in parallel between the second live wire (6) and the second neutral wire (15), the large capacitor (14) being arranged between the circuit board (3) and the ac contactor (12).
5. A device for detecting a fire according to claim 4, characterized in that an intermediate relay (7) is connected in parallel between the second live wire (6) and the second neutral wire (15), that the normally open contact (13) of the intermediate relay is arranged on the second live wire (6) between the large capacitor (14) and the intermediate relay (7), and that the large capacitor (14), the normally open contact (13) of the intermediate relay and the intermediate relay (7) are connected in series in this order.
6. A fire detection device as claimed in claim 1, wherein the normally closed contact (2) of the ac contactor is a time delay switch.
7. A fire detection device according to claim 3, wherein the wireless module (8) is wirelessly connected to the mobile terminal.
8. A device for detecting fire according to claim 5, characterized in that a jog switch (16) is arranged on the zero line between the large capacitor (14) and the AC contactor (12), the jog switch (16) is opened, the AC contactor (12) and the intermediate relay (7) are powered off, and the normally closed contact (2) of the AC contactor, the normally open contact (17) of the AC contactor and the normally open contact (13) of the intermediate relay are switched on/off.
9. An air conditioner characterized in that it comprises a device for detecting fire according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020918832.2U CN212624312U (en) | 2020-05-27 | 2020-05-27 | Device for detecting fire and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020918832.2U CN212624312U (en) | 2020-05-27 | 2020-05-27 | Device for detecting fire and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212624312U true CN212624312U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020918832.2U Active CN212624312U (en) | 2020-05-27 | 2020-05-27 | Device for detecting fire and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212624312U (en) |
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2020
- 2020-05-27 CN CN202020918832.2U patent/CN212624312U/en active Active
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