CN206430320U

CN206430320U - Central air-conditioning leak warning system

Info

Publication number: CN206430320U
Application number: CN201720008274.4U
Authority: CN
Inventors: 张刚
Original assignee: Shenzhen Huanuo Industry Co Ltd
Current assignee: Shenzhen Huanuo Industry Co Ltd
Priority date: 2017-01-04
Filing date: 2017-01-04
Publication date: 2017-08-22
Anticipated expiration: 2027-01-04

Abstract

The utility model discloses a kind of central air-conditioning leak warning system, the problem of floor, furniture etc. are damaged is easily caused for air outlet leak, there is provided following technical scheme, including it is arranged on exhaust apparatus for detecting that have water in exhaust apparatus is electrically connected with and the on-off circuit turned in response to water leakage and the circuit of warning for being electrically connected with on-off circuit and being controlled by the conducting of on-off circuit to be warned to export the water sensor and water sensor of water leakage；Water sensor is arranged in exhaust apparatus, for detecting whether exhaust apparatus has water and export water leakage when having detected water, on-off circuit is electrically connected with water sensor and turned in response to water leakage, circuit of warning is electrically connected with and is controlled by the conducting of on-off circuit to start to warn with on-off circuit, people know to warn can be timely to air-conditioning after the warning of circuit water leakage situation handle, be conducive to avoiding leak from excessively causing floor, furniture etc. further harm.

Description

Central air-conditioning leak warning system

Technical field

The utility model is related to a kind of central air-conditioning, more specifically, it relates to a kind of central air-conditioning leak warning system.

Background technology

Central air conditioner system is made up of one or more cold and heat source systems and multiple air handling systems, using vaporizing liquid The principle of refrigeration is air handling system offer institute chilling requirement, the thermic load to offset indoor environment, and heating is air Regulating system provides institute's calorific requirement, to offset indoor environment refrigeration duty.

But it is daily in use, the air outlet of central air-conditioning often understands leak, this may cause floor damp damages, Even furniture is caused to damage, it is therefore desirable to improve.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of central air-conditioning leak and warn is System, is conducive to avoiding leaking air-conditioning from causing further harm.

To achieve the above object, the utility model provides following technical scheme：

A kind of central air-conditioning leak warning system, including for the exhaust apparatus to indoor exhaust, be arranged at exhaust apparatus It is upper to be used to detect there is water in exhaust apparatus to export the water sensor of water leakage, be electrically connected with and respond with water sensor The on-off circuit that is turned in water leakage and it is electrically connected with on-off circuit and is controlled by the conducting of on-off circuit to be shown Alert circuit of warning.

Using above-mentioned technical proposal, water sensor is arranged in exhaust apparatus, for detecting whether exhaust apparatus has water And water leakage is exported when having detected water, on-off circuit is electrically connected with water sensor and led in response to water leakage Logical, circuit of warning is electrically connected with on-off circuit and is controlled by the conducting of on-off circuit to start to warn, and people know to warn Water leakage situation that can be timely to air-conditioning after the warning of circuit is handled, and is conducive to avoiding leak excessive to floor, furniture Etc. causing further harm.

It is preferred that, the water sensor is also electrically connected with the power circuit for providing stabilized power source.

It is preferred that, the power circuit includes the reduction voltage circuit of three electric any one decompressions, by the exchange after decompression Mu balanced circuit of the electric rectification into the rectification circuit of direct current and by direct current voltage stabilizing to be powered to water sensor.

Using above-mentioned technical proposal, power circuit includes reduction voltage circuit, rectification circuit and mu balanced circuit, can be water logging Sensor provides suitable, stable voltage, is conducive to weakening influence of the factors of voltage to accuracy of detection so that water sensor pair The detection of leak is more accurate.

It is preferred that, the on-off circuit is also electrically connected with response to water leakage to send SMS notification recipient progress The gsm module of processing.

Using above-mentioned technical proposal, in exhaust apparatus leak, on-off circuit in response to water leakage control gsm module to Recipient sends short message to notify recipient's water leakage situation, so as to can also know room not in air-conditioned room in recipient The situation of interior leak, facilitates recipient to be handled in time, is conducive to avoiding the untreated further loss caused for a long time.

It is preferred that, the on-off circuit is Darlington transistor circuit.

Using above-mentioned technical proposal, Darlington transistor can amplify the water leakage of water sensor output, that is, cause Fainter detection signal can be effectively detected, while there is Darlington transistor on-off action can control circuit of warning Work.

It is preferred that, the exhaust apparatus includes the installing frame being arranged on roof and the blinds being hinged in installing frame.

It is preferred that, the installing frame upper surface, which is provided with, is used for guiding gutter of the water conservancy diversion leak to be detected.

It is preferred that, the edge of the guiding gutter is provided with the chamfering flowed for leak into guiding gutter.

Using above-mentioned technical proposal, guiding gutter is offered on installing frame, and the edge of guiding gutter is provided with chamfering, so When central leaking air-conditioning, water diffluence and will gather along chamfering into guiding gutter in guiding gutter, so that convenient detection, Have to can detect during a small amount of water in guiding gutter and obtain, detect more accurate.

In summary, the utility model has the advantages that：

1. water sensor detection exhaust apparatus has water and exports water leakage, on-off circuit is led in response to water leakage Control circuit of warning is passed to start to warn, people know to warn can be timely to air-conditioning after the warning of circuit water leakage situation enter Row processing, is conducive to avoiding leak from excessively causing floor, furniture etc. further harm；

2. power circuit include reduction voltage circuit, rectification circuit and mu balanced circuit, can be provided for water sensor properly, Stable voltage, is conducive to weakening influence of the factors of voltage to accuracy of detection so that water sensor to the detection of leak more Accurately；

3. Darlington transistor can amplify the water leakage of water sensor output, that is, cause fainter detection letter It number can effectively be detected, strengthen the accuracy of detection, while there is Darlington transistor on-off action can control electricity of warning The work on road.

Brief description of the drawings

Fig. 1 is the structural representation that the utility model midway exhaust apparatus and water sensor are installed；

Fig. 2 is the enlarged diagram in A portions in Fig. 1；

Fig. 3 is the theory diagram of central air-conditioning leak warning system in the utility model；

Fig. 4 is the circuit theory diagrams of power circuit in the utility model；

Fig. 5 is the circuit theory diagrams of on-off circuit and circuit of warning in the utility model.

In figure：1st, power circuit；11st, reduction voltage circuit；12nd, rectification circuit；13rd, mu balanced circuit；2nd, water sensor；3rd, open Powered-down road；4th, warn circuit；5th, gsm module；6th, exhaust apparatus；61st, installing frame；611st, guiding gutter；612nd, chamfering；62nd, blinds.

Embodiment

Below in conjunction with the accompanying drawings and embodiment, the utility model is described in detail.

A kind of central air-conditioning leak warning system, reference picture 1, including exhaust apparatus 6, be arranged on exhaust apparatus 6 and be used for Detection exhaust apparatus 6 in have water with export water leakage water sensor 2, with water sensor 2 be electrically connected with and in response to On-off circuit 3 and be electrically connected with on-off circuit 3 and be controlled by the conducting of on-off circuit 3 to be shown that water leakage is turned on Alert circuit 4 of warning.

In addition, water sensor 2 be also electrically connected with water supply leaching sensor 2 provide properly, the power supply of stabilized power source Circuit 1, meanwhile, in order that not air-conditioning using the people in room know in time exhaust apparatus 6 in room whether leak, switch Circuit 3 is also electrically connected with the gsm module 5 for sending short message, and recipient is received by mobile phone after the short message of leak Know the water leakage situation in room, because gsm module 5 is prior art, repeat no more in the present embodiment.

Reference picture 2, power circuit 1 includes reduction voltage circuit 11, rectification circuit 12 and mu balanced circuit 13, wherein reduction voltage circuit 11 are connected with three electric any one, will export alternating current after the voltage step-down of any one, and rectification circuit 12 is whole by alternating current Direct current is flowed into, then mu balanced circuit 13 will power after direct current voltage stabilizing to circuit of testing the phase sequence, the physical circuit of power circuit 1 It is connected as：

Reduction voltage circuit 11 include transformer TC, rectification circuit 12 include rectifier bridge VD3, mu balanced circuit 13 include chip IC- 3rd, electric capacity C3 and electric capacity C4, wherein chip IC -3 are LM7812, and the positive pole that LM7812 1 pin is connected to rectifier bridge VD3 is defeated Go out end, LM7812 1 pin is while be connected to LM7812 2 pins after series capacitance C3, LM7812 2 pins are connected to rectification Bridge VD3 cathode output end, LM7812 2 pins are while be connected to LM7812 3 pins, the 3 of LM7812 after series capacitance C4 The power supply that pin exports+12V is powered to circuit of testing the phase sequence.

Reference picture 3, on-off circuit 3 be Darlington transistor circuit, it include resistance R6, electric capacity C2, the triode VT1 of NPN type, It is connected to after triode VT2, diode VD2 and the relay K of NPN type, wherein triode VT1 base series resistor R6 IC2 end is to receive phase sequence error signal, and triode VT1 colelctor electrode is connected to diode VD2 anode, diode VD2's Negative electrode is connected to+12V power supply, and triode VT2 base stage is connected to triode VT1 emitter stage, triode VT2 colelctor electrode + 12V power supplys, triode VT2 grounded emitter are connected to after SRE K.

Circuit 4 of warning includes the switch K-1 and buzzer SP for being controlled by relay, wherein switch K-1 one end connection It is grounded in after+12V power supply, switch K-1 other end series connection buzzer SP.

Reference picture 4 and Fig. 5, exhaust apparatus 6 include the installing frame 61 being arranged on roof and are hinged on installing frame 61 Interior blinds 62, offers guiding gutter 611 on installing frame 61, and the edge of guiding gutter 611 is provided with chamfering 612, so when During central air-conditioning leak, water diffluence and will gather along chamfering 612 into guiding gutter 611 in guiding gutter 611, so that convenient Detection, has during a small amount of water to can detect in guiding gutter 611 and obtains, and detects more accurate.

Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims

1. a kind of central air-conditioning leak warning system, it is characterized in that：Including for the exhaust apparatus (6) to indoor exhaust, setting There is water in being used to detect in exhaust apparatus (6) on exhaust apparatus (6) to export water sensor (2) and the water logging of water leakage On-off circuit (3) and be electrically connected with simultaneously with on-off circuit (3) that sensor (2) is electrically connected with and turned in response to water leakage The circuit of warning (4) for being controlled by the conducting of on-off circuit (3) to be warned.

2. central air-conditioning leak warning system according to claim 1, it is characterized in that：The water sensor (2) also electricity Property is connected with the power circuit (1) for providing stabilized power source.

3. central air-conditioning leak warning system according to claim 2, it is characterized in that：The power circuit (1) includes will The reduction voltage circuit (11) of three electric any one decompressions, by the AC rectification after decompression into the rectification circuit (12) of direct current and Mu balanced circuit (13) by direct current voltage stabilizing to be powered to water sensor (2).

4. central air-conditioning leak warning system according to claim 1, it is characterized in that：The on-off circuit (3) is also electrical It is connected with response to water leakage to send the gsm module (5) that SMS notification recipient is handled.

5. central air-conditioning leak warning system according to claim 1, it is characterized in that：The on-off circuit (3) is up to woods Pause pipe circuit.

6. central air-conditioning leak warning system according to claim 1, it is characterized in that：The exhaust apparatus (6) includes peace Installing frame (61) on roof and the blinds (62) being hinged in installing frame (61).

7. central air-conditioning leak warning system according to claim 6, it is characterized in that：Installing frame (61) upper surface is set The guiding gutter (611) for having for water conservancy diversion leak to be detected.

8. central air-conditioning leak warning system according to claim 7, it is characterized in that：The edge of the guiding gutter (611) Provided with the chamfering (612) for leak flowing into guiding gutter (611).