CN206546016U

CN206546016U - A kind of central air-conditioning ventilation warning positioning system

Info

Publication number: CN206546016U
Application number: CN201720023624.4U
Authority: CN
Inventors: 曾晓恋
Original assignee: Shenzhen Huanuo Industry Co Ltd
Current assignee: Shenzhen Huanuo Industry Co Ltd
Priority date: 2017-01-07
Filing date: 2017-01-07
Publication date: 2017-10-10
Anticipated expiration: 2027-01-07

Abstract

The utility model discloses a kind of central air-conditioning ventilation warning positioning system, it is intended to solves the shortcoming of the maintenance inconvenience of backwind tube in the prior art, and its drip irrigation device is：A kind of central air-conditioning ventilation warning positioning system, including detection means, control device, positioner and warning device；The detection means includes setting the baroceptor at each return air inlet；The detection means is coupled to the control device, and the warning device is coupled to the control device；The positioner is coupled to the detection means, including is coupled to the signal prompt module of each baroceptor, the baroceptor abnormal for positioning pressure difference signal.Central air-conditioning ventilation warning positioning system of the present utility model sends alarm signal when stopping state occurs in return air inlet and reminds staff, so as to reduce the cost of manual maintenance, the return air inlet for stopping state occur is positioned simultaneously, improved to central air-conditioning maintenance efficiency.

Description

A kind of central air-conditioning ventilation warning positioning system

Technical field

The utility model is related to central air-conditioning maintenance monitoring technology field, more specifically, it relates to a kind of central air-conditioning Ventilation warning positioning system.

Background technology

Central air-conditioning is typically mounted in the buildings such as market or office building, is that whole market or office building carry out sky Gas is exchanged and temperature adjustment, during routine use, it usually needs maintaining is carried out to air-conditioning, wherein to air-conditioning return air The maintenance of mouth is particularly important, because air-conditioning return air is the pith for ensureing air in buildings circulation, but is using process In easily occur the phenomenon that dust stratification is blocked, cause the problems such as ventilation is not smooth in building.

It is typically at present regularly to be overhauled by maintenance personal in the maintenance for return air inlet, or in each room of each floor User find to notify that maintenance personal comes maintenance after ventilation is not smooth, so cause substantial amounts of manpower and waste.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is that providing a kind of central air-conditioning ventilation alarm determines Position system, has the advantages that to be alarmed and be positioned when return air inlet is blocked.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of central air-conditioning ventilation Warning positioning system, including detection means, control device, positioner and warning device；

The detection means includes setting the baroceptor at each return air inlet, for detecting the draught head inside and outside return air inlet To reflect return air inlet chocking-up degree, and produce pressure difference signal；

The detection means is coupled to the control device, and the warning device is coupled to the control device, described Control device controls the control device to send alarm signal in response to pressure difference signal, and when pressure difference signal is abnormal；

The positioner is coupled to the detection means, the baroceptor abnormal for positioning pressure difference signal；It is described Positioner includes being coupled to the signal prompt module of each baroceptor, and the signal prompt module includes being coupled to institute State the comparison component of baroceptor, be coupled to the first switch component and coupling of the output end for comparing component It is connected to the execution component of the first switch component；The execution component sends positioning pressure difference in response to pressure difference signal The positioning signal of the baroceptor of abnormal signal.

By using above-mentioned technical proposal, baroceptor detects the draught head inside and outside return air inlet and produces pressure difference signal Send to control device, a benchmark pressure difference is preset with control device, judge when pressure difference signal is more than benchmark pressure difference Pressure difference signal is abnormal, and control device control warning device sends alarm signal, to point out staff to have return air inlet to block Situation, it is necessary to be repaired or cleared up；Default a reference value can be set according to actual conditions in control device, generally will This reference value is arranged on slightly below return air inlet and blocks serious numerical value, so carries out one equivalent to the stopping state to return air inlet Individual anticipation in advance, staff is reminded before return air inlet blocking, so that reducing return air inlet there is the possibility blocked, Enable the running of central air-conditioning stability and high efficiency；Each signal prompt module one baroceptor of correspondence, so by sending The signal prompt module of signal can be positioned to the abnormal baroceptor of pressure difference signal, so as to realize to occurring blocking feelings The return air inlet of condition is positioned；

Its position fixing process is：Draught head inside and outside baroceptor detection return air inlet produces pressure difference signal, and sends to letter Number reminding module；Compare first through comparing component, if pressure difference signal is more than the preset value compared in component, first switch member Break-over of device, while performing component occurs positioning signal, so as to show the abnormal baroceptor of pressure difference signal；If pressure difference Signal is less than the preset value compared in component, then first switch component is not turned on, and performs component without response；By setting Detection means and warning device, are detected, and sent out when stopping state occurs in return air inlet in real time to the stopping state of return air inlet Go out alarm signal and remind staff, so as to reduce the cost of manual maintenance, by setting positioner, pressure difference is shown in time The baroceptor of abnormal signal, so as to be positioned to the return air inlet for stopping state occur, improves and Central Air condition is imitated Rate.

The utility model is further arranged to：The positioner also includes in position indicator, the position indicator Position and the numbering of each baroceptor are marked with, each signal prompt module is arranged in the position indicator and marked Correspondence position and numbering at.

, can the more quick baroceptor for directly judging that pressure difference signal is abnormal by using above-mentioned technical proposal Raw position, so as to quickly position the position of the return air inlet of blocking.

The utility model is further arranged to：The position marked in the position indicator and label and each air pressure The position distribution of sensor between floors is consistent.

By using above-mentioned technical proposal, position indicator is the effect with similar map, can be more quick direct The abnormal baroceptor of positioning pressure difference signal where position, so as to judge the position of return air inlet blocked.

The utility model is further arranged to：The component that performs is times in LED, buzzer and audible-visual annunciator Meaning is one or more.

The utility model is further arranged to：The control device has been also coupled to GSM message module, in pressure difference signal SMS Tip is sent when abnormal.

By using above-mentioned technical proposal, when control device control warning device sends signal, while controlling GSM message mould Block sends prompt message to the handheld terminal of staff, so that staff can more quickly know that return air inlet is blocked Situation, the maintenance to return air inlet is quicker.

The utility model is further arranged to：The GSM message module uses the module of Shanghai Simcom 300.

By using above-mentioned technical proposal, the module of Shanghai Simcom 300 belongs to technical grade GSM/GPRS modules, with industrial standard Change interface, size is small, low in energy consumption, using single-voltage-supply cmos, support EGSM900/1800/1900 frequency ranges, support AT instructions to set, Embedded ICP/IP protocol, can be achieved the point-to-point function of sending and receiving Chinese short message.

The utility model is further arranged to：The control device is also associated with self-cleaning device, the self-cleaning device Including being coupled to the time delay module of the control device and being coupled to the time delay module and fixation and the vibration of the return air inlet Delay duration is preset with motor, the time delay module, and during pressure difference signal exception, the control device passes through the delay mould Block controls the vibrating motor to be worked in delay duration.

By using above-mentioned technical proposal, when the pressure difference that baroceptor is detected occurs abnormal, control device control Vibrating motor processed vibrates in delay duration, and vibrating motor can shake off the dust in return air inlet during vibration, Slow down the stopping state of return air inlet, so that reserved a period of time is repaired to maintenance personal.

The utility model is further arranged to：The time delay module includes monostable circuit, is coupled to the monostable electricity The second switch component of road output end and the relay for being coupled to the second switch component, the vibrating motor are connected in In the on-off circuit of the relay.

By using above-mentioned technical proposal, the duration of delay can be set in monostable circuit, when baroceptor is detected Pressure difference when occurring abnormal, control device output high point ordinary mail number, the high level of monostable circuit delay output delay duration Low level signal is exported after signal, during high level signal is exported, second switch component conducting, so that relay is obtained Electricity, the normally opened contact closure of relay, vibrating motor obtains electric and produces vibration force and shake off dust in return air inlet, and exports low electricity Usually, switching component is not turned on, and vibrating motor is then stopped.

In summary, the utility model has the advantages that：

First, by setting detection means and warning device, being detected in real time to the stopping state of return air inlet, and returning Air port occurs sending alarm signal prompting staff during stopping state, so that the cost of manual maintenance is reduced, it is fixed by setting Position device, shows the abnormal baroceptor of pressure difference signal in time, so that the return air inlet for stopping state occur is positioned, Improve to central air-conditioning maintenance efficiency；

It is with making the position display that return air inlet blocks more directly perceived quick second, set location direction board；

Third, by setting self-cleaning device, shaking off the dust in return air inlet, slow down the stopping state of return air inlet, so that Reserved a period of time is repaired to maintenance personal.

Brief description of the drawings

Fig. 1 is the structural representation of the present embodiment；

Fig. 2 is the control block of the present embodiment；

Fig. 3 is the circuit diagram of detection means and positioner.

In figure：1st, control device；2nd, warning device；3rd, GSM message module；4th, detection means；41st, baroceptor；5、 Positioner；51st, position indicator；52nd, signal prompt module；521st, component is compared；522nd, first switch component；523、 Perform component；6th, self-cleaning device；61st, time delay module；611st, monostable circuit；612nd, second switch component；613rd, after Electrical equipment；62nd, vibrating motor.

Embodiment

With reference to the accompanying drawings and examples, the utility model is described in detail.

A kind of central air-conditioning ventilation warning positioning system, as depicted in figs. 1 and 2, control device 1 is electrically connected with alarm dress 2, detection means 4 and GSM message module 3 are put, detection means 4 includes the baroceptor at each return air inlet of centrally disposed air-conditioning 41, baroceptor 41 can detect the draught head inside and outside return air inlet, and produce pressure difference signal and send to control device 1, often Individual baroceptor 41 all has a specific numbering；Warning device 2 is arranged in operating room, and warning device 2 is acousto-optic report Alert device, GSM message module 3 uses the module of Shanghai Simcom 300, and GSM message module 3 is connected by wireless network with handheld terminal.

As depicted in figs. 1 and 2, a benchmark pressure difference is preset with control device 1, when pressure difference signal is more than benchmark pressure difference When judge that pressure difference signal is abnormal, the control warning device 2 of control device 1 sends alarm signal, while GSM message module 3 is to hand Hold terminal and send alarming short message, to point out staff to there is return air inlet situation about blocking occur, it is necessary to be repaired or cleared up；Control Default a reference value can be set according to actual conditions in device 1 processed, and this reference value generally is arranged on into slightly below return air Mouth blocks serious numerical value, so carries out an anticipation in advance equivalent to the stopping state to return air inlet, is blocked in return air inlet Staff is reminded before, so that reducing return air inlet the possibility blocked occurs, enables central air-conditioning stability and high efficiency Running；

Such as Fig. 1, detection means 4 is connected with positioner 5, and positioner 5 includes position indicator 51 and is arranged on position The space layout drawing of building, and signal are bonded with multiple signal prompt modules 52 on direction board 51, position indicator 51 Reminding module 52 is arranged on position consistent with each set location of baroceptor 41 in position indicator 51；Each air pressure Sensor 41 is electrically connected with a signal prompt module 52, and each signal prompt module 52 is marked with the gas with corresponding connection The consistent numbering of pressure sensor 41, such as the baroceptor 41 that numbering is " 1 ", the numbering of coupled signal prompt module 52 Also it is " 1 ".

As shown in figure 3, signal prompt module 52 include be connected with baroceptor comparison component 521, with being compared first The connected first switch component 522 of the output end of device 521 and the execution member device connected with first switch component 522 Part 523；Compare component 521 and use LM339 comparators, first switch component 522 uses triode, performs component 523 For any one or more in LED, buzzer and audible-visual annunciator, LED is used in the present embodiment；

Its circuit connecting relation is：Baroceptor connects the in-phase input end of a comparator, the anti-phase input of comparator End input comparison voltage, comparing voltage value is consistent with default a reference value in control device 1, the output end connection one of comparator Triode Q1 base stage, triode Q1 collector and emitter is connected in series with a LED；

Baroceptor 41 produces pressure difference signal after detecting the draught head inside and outside return air inlet, through comparator relatively after, if Pressure difference signal is more than the comparing voltage value of comparator, and comparator exports high level by triode ON, and LED lights, so that real Now to the positioning of the abnormal baroceptor 41 of pressure difference signal, i.e., the return air inlet for stopping state occur is positioned；If pressure difference Signal is less than the comparing voltage value in comparator, then triode is not turned on, and LED does not light.

As shown in Fig. 2 being electrically connected with self-cleaning device 6 in control device 1, self-cleaning device 6 includes time delay module 61 With vibrating motor 62, time delay module 61 includes monostable circuit 611, second switch component 612 and relay 613, monostable Circuit 611 is made up of 555 timers, and second switch component 612 uses triode, and relay 613 is electromagnetism relay open in usual Device 613；

Its circuit connecting relation is that the input of monostable circuit 611 connects the output end of control device 1, monostable electricity The output end connecting triode Q2 on road 611 base stage, triode Q2 grounded emitters, the rear company of collector connection relay 613 Power input Vcc is met, vibrating motor 62 is connected in the normally closed switch loop of relay 613；

The duration of delay can be set in monostable circuit 611, when exception occurs in the pressure difference that baroceptor 41 is detected When, the output high point ordinary mail number of control device 1, the delay of monostable circuit 611 exports low after exporting the high level signal of delay duration Level signal, during high level signal is exported, second switch component 612 is turned on, so that relay 613 obtains electric, relay The normally opened contact closure of device 613, vibrating motor 62 it is electric and produce vibration force and shake off dust in return air inlet, and export low level When, switching component is not turned on, and vibrating motor 62 is then stopped.

By setting detection means 4 and warning device 2, the stopping state of return air inlet is detected in real time, and in return air Mouth occurs sending alarm signal prompting staff during stopping state, so as to reduce the cost of manual maintenance, passes through and sets positioning Device 5, shows the abnormal baroceptor 41 of pressure difference signal, so as to be determined the return air inlet for stopping state occur in time Position, is improved to central air-conditioning maintenance efficiency.

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

The warning positioning system 1. a kind of central air-conditioning is divulged information, it is characterised in that：Including detection means (4), control device (1), determine Position device (5) and warning device (2)；

The detection means (4) includes setting the baroceptor (41) at each return air inlet, for detecting the gas inside and outside return air inlet Pressure difference produces pressure difference signal to reflect return air inlet chocking-up degree；

The detection means (4) is coupled to the control device (1), and the warning device (2) is coupled to the control device (1), the control device (1) controls the control device (1) to send report in response to pressure difference signal, and when pressure difference signal is abnormal Alert signal；

The positioner (5) is coupled to the detection means (4), the baroceptor abnormal for positioning pressure difference signal (41)；The positioner (5) includes being coupled to the signal prompt module (52) of each baroceptor (41), the signal Reminding module (52) includes being coupled to the comparison component (521) of the baroceptor (41), is coupled to the first device of the comparison The first switch component (522) of the output end of part (521) and the execution for being coupled to the first switch component (522) Component (523)；The execution component (523) sends the abnormal air pressure sensing of positioning pressure difference signal in response to pressure difference signal The positioning signal of device (41).
2. a kind of central air-conditioning ventilation warning positioning system according to claim 1, it is characterised in that：The positioner (5) position and volume that mark on position indicator (51), the position indicator (51) has baroceptor (41) are also included Number, each signal prompt module (52) is arranged at the correspondence position marked in the position indicator (51) and numbering.
3. a kind of central air-conditioning ventilation warning positioning system according to claim 2, it is characterised in that：The position instruction The position of mark and label are consistent with each position distribution of the baroceptor (41) between floors in board (51).
4. a kind of central air-conditioning ventilation warning positioning system according to claim 1 or 3, it is characterised in that：It is described to perform Component (523) is any one or more in LED, buzzer and audible-visual annunciator.
5. a kind of central air-conditioning ventilation warning positioning system according to claim 1, it is characterised in that：The control device (1) GSM message module (3) has been also coupled to, for sending SMS Tip when pressure difference signal is abnormal.
6. a kind of central air-conditioning ventilation warning positioning system according to claim 5, it is characterised in that：The GSM message Module (3) uses the module of Shanghai Simcom 300.
7. a kind of central air-conditioning ventilation warning positioning system according to claim 1, it is characterised in that：The control device (1) self-cleaning device (6) is also associated with, the self-cleaning device (6) includes being coupled to the time delay module of the control device (1) (61) and it is coupled to the time delay module (61) and the fixed vibrating motor (62) with the return air inlet, the time delay module (61) Delay duration is inside preset with, and during pressure difference signal exception, it is described that the control device (1) passes through the time delay module (61) control Vibrating motor (62) works in delay duration.
8. a kind of central air-conditioning ventilation warning positioning system according to claim 7, it is characterised in that：The time delay module (61) include monostable circuit (611), be coupled to the second switch component (612) of the monostable circuit (611) output end With the relay (613) for being coupled to the second switch component (612), the vibrating motor (62) is connected in the relay (613) in on-off circuit.