CN201508241U

CN201508241U - Temperature and humidity detecting alarm

Info

Publication number: CN201508241U
Application number: CN200920204198XU
Authority: CN
Inventors: 周海鸳
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2009-08-31
Filing date: 2009-08-31
Publication date: 2010-06-16
Anticipated expiration: 2019-08-31

Abstract

The present utility model provides a temperature and humidity detecting alarm comprising a temperature detecting module for acquiring a current temperature value T, a humidity detecting module for acquiring a current humidity value H, an alarming temperature and humidity setting module for presetting an alarming temperature upper limit value TH and an alarming temperature lower limit value TL and for presetting an alarming humidity upper limit value HH and an alarming humidity lower limit value HL, a control module for comparing the current temperature value T with the alarming temperature upper limit value TH and the alarming temperature lower limit value TL and comparing the current humidity value H with the alarming humidity upper limit value HH and the alarming humidity lower limit value HL, and a acousto-optic alarming module for sending alarm signals corresponding to the states of temperature alarming, humidity alarming and temperature and humidity alarming respectively corresponding to the comparison results of the control module. The temperature detecting module and the humidity detecting module are respectively connected with the control module, the alarming temperature and humidity setting module is connected with the control module, and the acousto-optic alarming module is connected with the control module.

Description

A kind of humiture detection alarm device

Technical field

The utility model relates to a kind of detection alarm device, relates more specifically to a kind of humiture detection alarm device.

Background technology

Human body is two important parameters to the environment requirement temperature and humidity, and especially along with a large amount of of air-conditioning popularize, people are under the non-natural air conditioner surroundings for a long time, the unreasonable health that tends to influence people of temperature and humidity control.

The hygrometer and the thermometer function that are used to monitor people's life, office and production environment at present are single, and adopt hygristor and thermistor as hygrometric and temperature element more, utilize their humidity and temperature characterisitic that humidity and temperature variation are changed into electric signal output, then by the amplifying circuit amplification signal, carry out the A/D conversion, the input single-chip microcomputer sends sound and light alarm by the Single-chip Controlling warning circuit, and precision and reliability are not high; Or adopt the semiconductor integrated sensor of exporting simulating signal, and need carry out processing such as signal amplification, AD conversion, often increase signal adjustment circuit, also increased the complicacy of hardware circuit and the complicacy of programming naturally.And, in the prior art, though the warning function of pair temperature and humidity is arranged, but its type of alarm is more single, no matter being that temperature or humidity have exceeded upper lower limit value, all is with a kind of type of alarm, and can't distinguish is warning to temperature, or to the warning of humidity, or to the common warning of humiture.

The utility model content

The utility model is for solving the single problem of circuit complexity, type of alarm that above-mentioned prior art exists, it is simple to have proposed a kind of circuit, and type of alarm is various, and can distinguish is to temperature alarming, or to the humidity warning, or to the common humiture detection alarm device of reporting to the police of humiture.

A kind of humiture detection alarm device that the utility model provides comprises the temperature detecting module of gathering current temperature value T, gather the humidity detecting module of current humidity value H, the warning humiture setting module that is used for default alarm temperature higher limit TH and lower limit TL and default warning humidity higher limit HH and lower limit HL, be used for current temperature value T and alarm temperature higher limit TH and lower limit TL and the control module that current humidity value H and warning humidity higher limit HH and lower limit HL compared processing, receive that control module compares the control signal of handling back output and send and correspond respectively to temperature alarming according to control signal, the sound and light alarm module of the alerting signal of humidity warning and the common alarm condition of humiture; Described temperature detecting module is connected with control module respectively with humidity detecting module, and described warning humiture setting module is connected with control module, and described sound and light alarm module is connected with control module.

The utility model is owing to adopted modular design, and its peripheral circuit is simple relatively, so that the circuit of whole humiture detection alarm device becomes simple; Simultaneously, because the sound and light alarm module can realize that temperature alarming, humidity are reported to the police and the alerting signal of the common alarm condition of humiture according to the comparative result of control module, can distinguish current humiture from the alerting signal of sound and light alarm module effectively is to be in which kind of above-mentioned state, is convenient to the related personnel and carries out follow-up operation.

Description of drawings

Fig. 1 is the schematic diagram according to a kind of embodiment of a kind of humiture detection alarm device of the present utility model;

Fig. 2 is the schematic diagram according to the another kind of embodiment of a kind of humiture detection alarm device of the present utility model;

Fig. 3 is the circuit theory diagrams according to the another kind of embodiment of a kind of humiture detection alarm device of the present utility model;

Fig. 4 is the circuit theory diagrams that the temperature detecting module according to a kind of embodiment of a kind of humiture detection alarm device of the present utility model is connected with control module;

Fig. 5 is the circuit theory diagrams that the humidity detecting module according to a kind of embodiment of a kind of humiture detection alarm device of the present utility model is connected with control module;

Fig. 6 is the circuit theory diagrams that the warning humiture setting module according to a kind of embodiment of a kind of humiture detection alarm device of the present utility model is connected with control module.

Embodiment

To and come in conjunction with the accompanying drawings the utility model is elaborated by embodiment below.

As shown in Figure 1, according to a kind of embodiment of the present utility model, a kind of humiture detection alarm device comprises temperature detecting module 01, humidity detecting module 02, warning humiture setting module 03, control module 04, display module 05 and sound and light alarm module 06; Described temperature detecting module 01 is connected with control module 04, is used to gather current temperature value T; Described humidity detecting module 02 is connected with control module 04, is used to gather current humidity value H; Described warning humiture setting module 03 is connected with control module 04, is used for default alarm temperature higher limit TH and lower limit TL and default warning humidity higher limit HH and lower limit HL, and is stored in the control module 04; Described control module 04 also is connected with sound and light alarm module 03, current temperature value T and current humidity value H that described control module 04 described temperature detecting module 01 of reception and humidity detecting module 02 are gathered respectively, and current temperature value T and current humidity value H compared and handle and draw comparative result with being stored in alarm temperature higher limit TH in the control module 04 and lower limit TL and warning humidity higher limit HH and lower limit HL respectively, control module 04 is sent according to above-mentioned comparative result output control signal control acousto-optic alarm module 06 and is corresponded respectively to temperature alarming, the alerting signal of humidity warning and the common alarm condition of humiture.

Described default alarm temperature higher limit TH and lower limit TL, and default warning humidity higher limit HH and lower limit HL be stored in the storage medium of control module 04, described storage medium can adopt EEPROM.

In conjunction with shown in Fig. 3 to 6, described temperature detecting module 01 can adopt temperature sensor U2, as the high precision integrated digital temperature sensor DS18B20 of De Lasi; Described humidity detecting module 02 can adopt humidity sensor U3, as Honeywell humidity sensor HIH3610; Described control module 04 adopts single-chip microcomputer U1, can adopt the PIC Series chip, is the single-chip microcomputer of PIC16F76 as model.Described temperature detecting module 01 links to each other with the I/O mouth of single-chip microcomputer U1 by the one-wire bus with humidity detecting module 02, so can help expanding the detected temperatures of multiple spot and detect humidity.

The DQ of described temperature sensor U2 end links to each other with the I/O mouth of single-chip microcomputer U1, and it is that the resistance R in 4.7K Europe links to each other with the 5V power supply that this DQ holds also by a resistance.

The OUT end of described humidity sensor U3 directly links to each other with the I/O end of single-chip microcomputer U1.

Described warning humiture setting module 03 comprises four the independent button S1, S2, S3, the S4 that are connected respectively to RB4 to the RB7 port of single-chip microcomputer U1.As button S1, S2, when S3, S4 disconnect, RB4 to the RB7 port of single-chip microcomputer has high level, and RB4 to the RB7 port of described single-chip microcomputer U1 has level and changes the function that causes interruption.Wherein, the function of button is: S1 sets options button and acknowledgement key for the alarm temperature value, S2 sets for the warning humidity value and selects and acknowledgement key, S3 and S4 are respectively setting value and increase, subtract button (UP and DOWN key), behind options button S1 that has selected design temperature or humidity value or S2, whenever add 1 by S3 temperature or humidity value are corresponding next time, whenever subtract 1 by S4 temperature or humidity value are corresponding next time.

Described sound and light alarm module 06 comprises that also the realization temperature alarming, the humidity that cooperatively interact are reported to the police, the hummer and the LED lamp of the alerting signal of the common alarm condition of humiture.Described hummer is PIZEO, is connected with the I/O port of single-chip microcomputer U1, and single-chip microcomputer U1 sends first voice signal and the second sound signal of different frequency as control signal control hummer to the hummer output pwm signal; Described LED lamp comprises corresponding to a LED lamp DS1/LED1 of temperature alarming with corresponding to the 2nd LED lamp DS2/LED2 that humidity is reported to the police, is connected with the I/O port of single-chip microcomputer U1 respectively.

In addition, as shown in Figures 2 and 3, humiture detection alarm device of the present utility model can also comprise display module 05, and this display module 05 is connected with single-chip microcomputer U1, and single-chip microcomputer U1 shows current temperature value T and the current humidity value H that receives by this display module 05.Described display module 05 adopts CM162-2SLYA dot matrix type LCD MODULE J_1, is that two row show, every row shows 16 characters.

Principle of work:

Start humiture detection alarm device, can be by warning humiture setting module with alarm temperature higher limit TH and lower limit TL, and warning humidity higher limit HH and lower limit HL set, and be stored in the control module, above-mentioned limit value is not as changing, then need not set once more, change corresponding limit value as need and then reset corresponding limit value and get final product by warning humiture setting module by warning humiture setting module.Control module is sent clock signal respectively to temperature detecting module and humidity detecting module, and receives temperature detecting module and humidity detecting module and carry the current temperature value T and the current humidity value H that return; Control module compares the current temperature value T that receives and alarm temperature higher limit TH and lower limit TL, simultaneously, current humidity value H and the alert humidity higher limit HH and lower limit HL that receives is compared, and obtains judged result; As current temperature value T during more than or equal to alarm temperature higher limit TH, control module is to first pwm signal of hummer output corresponding frequencies, and first acoustic information takes place hummer, a LED lamp Chang Liang; As current temperature value T during smaller or equal to alarm temperature lower limit TL, control module is to first pwm signal of hummer output corresponding frequencies, and the firstth acoustic information takes place hummer, and a LED lamp ceaselessly glimmers; As current humidity value H during more than or equal to warning humidity higher limit HH, control module is to second pwm signal of hummer output corresponding frequencies, and second acoustic information takes place hummer, the 2nd LED lamp Chang Liang; As current humidity value H during smaller or equal to warning humidity lower limit HL, control module is to second pwm signal of hummer output corresponding frequencies, and second acoustic information takes place hummer, and the 2nd LED lamp ceaselessly glimmers; Temperature alarming and humidity are reported to the police separate, do not interfere, and can realize that therefore humiture reports to the police jointly, and in this simultaneously, control module is presented at temperature value and humidity value on the display module.

Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the utility model, the any modification or partial replacement that does not break away from spirit and scope of the present utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

1. a humiture detection alarm device is characterized in that: comprise the temperature detecting module of gathering current temperature value T, gather the humidity detecting module of current humidity value H, the warning humiture setting module that is used for default alarm temperature higher limit TH and lower limit TL and default warning humidity higher limit HH and lower limit HL, with current temperature value T and alarm temperature higher limit TH and lower limit TL and the control module that current humidity value H and warning humidity higher limit HH and lower limit HL compared processing, receive control module and compare the control signal of handling back output and the sound and light alarm module of sending the alerting signal that corresponds respectively to temperature alarming and humidity warning and the common alarm condition of humiture according to this control signal;

Described temperature detecting module is connected with control module respectively with humidity detecting module, and described warning humiture setting module is connected with control module, and described sound and light alarm module is connected with control module.

2. a kind of humiture detection alarm device as claimed in claim 1 is characterized in that: described control module also comprises and stores default alarm temperature higher limit TH and lower limit TL, and default warning humidity higher limit HH and the storage medium of lower limit HL.

3. a kind of humiture detection alarm device as claimed in claim 1 is characterized in that: described sound and light alarm module comprises that also the realization temperature alarming, the humidity that cooperatively interact are reported to the police, the hummer and the LED lamp of the alerting signal of the common alarm condition of humiture.

4. a kind of humiture detection alarm device as claimed in claim 1 is characterized in that: described humiture detection alarm device also comprises the display module that is used to show current temperature value T and current humidity value H, and described display module is connected with control module.

5. a kind of humiture detection alarm device as claimed in claim 1, it is characterized in that: described temperature detecting module is connected with control module by the one-wire bus with humidity detecting module.

6. a kind of humiture detection alarm device as claimed in claim 1, it is characterized in that: described warning humiture setting module comprise four be connected respectively to control module independent button S1, S2, S3, S4, described S1 sets options button and acknowledgement key for the alarm temperature value, S2 sets for the warning humidity value and selects and acknowledgement key, and S3 and S4 are respectively setting value and increase, subtract button.

7. a kind of humiture detection alarm device as claimed in claim 6 is characterized in that: described control module adopts single-chip microcomputer, and the port that is connected with button S1, S2, S3, S4 of described single-chip microcomputer is changed by level and causes interruption.

8. a kind of humiture detection alarm device as claimed in claim 5 is characterized in that: described temperature detecting module adopts the DS18B20 temperature sensor; Described humidity detecting module adopts the HIH3610 humidity sensor.

9. a kind of humiture detection alarm device as claimed in claim 1 is characterized in that: described control module adopts the PIC Series chip; Described storage medium adopts EEPROM.