CN207020495U - Active leak detection of the room control system - Google Patents
Active leak detection of the room control system Download PDFInfo
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- CN207020495U CN207020495U CN201720480413.3U CN201720480413U CN207020495U CN 207020495 U CN207020495 U CN 207020495U CN 201720480413 U CN201720480413 U CN 201720480413U CN 207020495 U CN207020495 U CN 207020495U
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- control system
- resistance
- diode
- leak detection
- room control
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Abstract
The utility model discloses a kind of active leak detection of the room control system, including more than single-chip computer control system, two-way or two-way peripheral resistance measuring circuit, three road separate relay output units and state indication unit, a delocalization leak rope is all connected with per drive test amount resistance periphery measuring circuit；The SCM system by measuring the magnitude of voltage of resistance periphery measuring circuit conversion output, is calculated the resistance value at current delocalization leak rope both ends, judges whether leak according to resistance value respectively；And the state of monitoring state indicating member simultaneously, according to alarm status and key-press status, logic judgment is carried out, the relay unit for being respectively outputted to three tunnel independences is alerted.When detecting that flood occurs by detecting and controlling system of the present utility model, actively protect, band pressure water inlet is refused in outside equipment room, and send alarm signal and prompt at once.
Description
Technical field
The research field of leak detection of the room is the utility model is related to, more particularly to a kind of active leak detection of the room control
System processed.
Background technology
It is the important portion in computer room flood control system that precision instrument place is placed in Computer Centre Machine Room, laboratory etc.
Point, but information machine room precision air conditioner, upper and lower conduit equipment using it is middle when have the situation of leak, cause instrument because of leak
The situation of device device damage also occurs again and again, to ensure the safe and reliable operation of the precision instruments such as computer room, laboratory, it is necessary to set up
Water leakage detection warning equipment.At present, conventional leak water detdction is：Leak water detdction in dynamic environment monitoring system, but this inspection
Survey method is the detection of passive type, among dynamic environment monitoring system, also there is delocalization detection, due to without independently executing machine
Structure, an output information.Need to artificially it handle, it is just helpless if leakage point is before end switch of intaking.
There is supporting genuine leakage inspector option in former precision air conditioner producer, is point type detection, belongs to part detection,
Generally point type detects, near humidifier water-drainage base seat, coverage rate deficiency；Meanwhile air-conditioning genuine carries control program
" leak " is defined as level fault, triggers shutdown at once for single device (non-active and standby), causes human-made disasters；It is so a kind of
Active water-leakage detecting system is the direction of those skilled in the art's research.
Utility model content
The shortcomings that main purpose of the present utility model is to overcome prior art and deficiency, there is provided a kind of active computer room leakage
Water detecting and controlling system, when detecting that flood occurs, actively protection does not interfere with the operation of air-conditioning equipment again at once.
In order to achieve the above object, the utility model uses following technical scheme：
A kind of active leak detection of the room control system of the present utility model, including single-chip computer control system, two-way or
More than two-way peripheral resistance measuring circuit, three road separate relay output units and state indication unit, per road periphery resistance
Measuring circuit is all connected with a delocalization leak rope；The SCM system is changed by peripheral resistance measuring circuit export respectively
Magnitude of voltage, the resistance value at current delocalization leak rope both ends is calculated, leak is judged whether according to resistance value；And supervise simultaneously
The state of state indication unit is surveyed, according to alarm status and key-press status, logic judgment is carried out, is respectively outputted to three tunnel independences
Relay unit is alerted and exported execution.
As preferable technical scheme, the single-chip computer control system uses STM8S105 family chips.
As preferable technical scheme, the state indication unit includes three LEDs and all the way SR.
As preferable technical scheme, include first resistor, second resistance, the 3rd per drive test amount resistance periphery measuring circuit
Resistance, the first diode and the second diode, first resistor connect the anode of the first diode, the negative electrode connection of the first diode
The negative electrode of second diode, the anode connection second resistance of the second diode, 3rd resistor are arranged on second resistance and the two or two
Between the anode of pole pipe.
As preferable technical scheme, power relay, the 3rd diode, the are included per road separate relay output unit
Four resistance and electric capacity, the negative electrode and power relay of the 3rd diode are respectively connecting to after the 4th resistance and electric capacity are in parallel
The first input pin, the anode of the 3rd diode is connected to the second input pin of power relay.
As preferable technical scheme, the power relay is using relay serial HF49FD.
As preferable technical scheme, delocalization leak rope arrangement be attached into water water pipe by the side of, drainpipe by the side of
And equipment protection area periphery.
As preferable technical scheme, in addition to RS485 output circuits all the way, accessed by RS485 interface communication modes
Original environmental monitoring system.
As preferable technical scheme, the single-chip computer control system is additionally provided with to be opened for adjusting the dial-up of Humidity Sensitivity
Close.
As preferable technical scheme, the single-chip computer control system is also associated with executing agency, and the executing agency applies
Outside protected equipment or there is the indoor location of safeguard measure, the very first time refuses band pressure water inlet in outdoor.
The utility model compared with prior art, has the following advantages that and beneficial effect：
When the 1st, detecting that flood occurs by detecting and controlling system of the present utility model, actively protect at once, band pressure
Water inlet is refused in outside equipment room, and sends signal prompt.
2nd, in the system, after flood processing, it is necessary to which manual closing reset switch, band press water just recover, further carried
High safety coefficient.Noise elimination processing can be done for alarm when safeguarding and not produce noise, but system is still among maintenance.
3rd, the present invention is adapted to all dynamic environment monitoring systems using RS485 as standard interface, can for RS232 interface
With by adding conversion head conversion to realize monitoring.
4th, the utility model can be applied to computer room constant temperature and humidity precision air conditioner humidification, plant floor, book and file
Management, laboratory and other needs actively protect the place that leakage detects；Particularly suitable for dynamic environmental monitoring nobody
Management place on duty
Brief description of the drawings
Fig. 1 is the frame principle figure of the utility model control system；
Fig. 2 is the circuit theory diagrams of the utility model SCM system；
Fig. 3 is the circuit theory diagrams of the utility model measurement resistance periphery measuring circuit；
Fig. 4 is the circuit theory diagrams of the utility model separate relay output unit；
Fig. 5 is the structural representation of the utility model encapsulation rear board.
Embodiment
The utility model is described in further detail with reference to examples of implementation and accompanying drawing, but reality of the present utility model
Apply mode not limited to this.
Embodiment
As shown in figure 1, a kind of active leak detection of the room control system of the present embodiment, including single-chip microcomputer control system
More than system, two-way or two-way peripheral resistance measuring circuit, three road separate relay output units and state indication unit, per road
Measurement resistance periphery measuring circuit is all connected with a delocalization leak rope；The SCM system is respectively by measuring resistance periphery
The magnitude of voltage of measuring circuit conversion output, is calculated the resistance value at current delocalization leak rope both ends, is judged according to resistance value
Whether leak；And the state of monitoring state indicating member simultaneously, according to alarm status and key-press status, logic judgment is carried out, point
The relay unit for not being output to three tunnel independences is alerted.
As shown in Fig. 2 single-chip computer control system uses STM8S105K6T6 chips in the present embodiment, then coordinate the electricity of periphery
Road, realize the monitoring to leak water detdction control system.
In the present embodiment, the state indication unit includes three LEDs and all the way SR, three LEDs
Including POWER power supply indicators, RUN system operations lamp and ALARM alarm status lamps；The SR course of work is as follows：
1st, under alarm status, flicking once, eliminates the sound and light alarm sound (noise) at scene, alarm lamp is bright or dodges；Place
Reason finishes, long-press reset key 2s, and equipment cancels warning output, while alarm status ALARM indicator lamps are put out by normal bright (flicker) change
Go out, into monitor state.
2nd, under non-alarm status, long-press reset key 5s, the equipment default address that can recover to dispatch from the factory automatically is configured and restarted.
Such as Fig. 3, include first resistor, second resistance, 3rd resistor, the one or two pole per drive test amount resistance periphery measuring circuit
Pipe and the second diode, first resistor connect the anode of the first diode, and the negative electrode of the first diode connects the second diode
Negative electrode, the anode connection second resistance of the second diode, 3rd resistor be arranged on second resistance and the second diode anode it
Between.
The associated technical parameters for measuring resistance periphery measuring circuit are as follows：
Operating voltage：DC24V；
Measurement range：0-500 rice；
Measurement accuracy：1-16 grade of sensitivity is adjustable.
As shown in figure 4, include power relay, the 3rd diode, the 4th resistance and electric capacity per road separate relay unit,
The first input pipe of the negative electrode and power relay of the 3rd diode is respectively connecting to after 4th resistance and electric capacity are in parallel
Pin, the anode of the 3rd diode are connected to the second input pin of power relay.
The present embodiment is total, the power relay using HF49FD series relay, certainly from it is other kinds of after
Electrical equipment is equally applicable to the technical solution of the utility model.
Delocalization leak rope arrangement be attached into water water pipe by the side of, drainpipe by the side of and equipment protection area periphery.
Further, system of the present utility model also includes RS485 output circuits all the way, passes through RS485 interface communication sides
Formula accesses original environmental monitoring system.
The leak water detdction control system that Pass through above-mentioned technical proposal obtains, there are following features：
1st, operating voltage：DC24V
2nd, the way of output：RS485 standard outputs, converter can be added to change RS232 standards；Three road active voltages are defeated
Go out；
3rd, transmission rate：300-115200bps；
4th, communication protocol：MODBUS RTU；
5th, working environment：- 20 DEG C to 70 DEG C relative humidity are 5% to 95%；
6th, operating accuracy：(A types), two tunnels (Type B) delocalization water leakage detection line state acquisition all the way, sensitivity is adjustable；
7th, state instruction：Three LED lights and all the way SR (temporary noise elimination work(when there is artificial treatment flood
Can)；
Above-mentioned leak water detdction control system is packaged, product of the present utility model can be obtained, the panel of product is such as
Shown in Fig. 5, the identifier declaration of each port is as shown in table 1.
Table 1
In summary, the system is autonomous control system, is that a band is sound, light alarm is shown, actively control has in real time
The water for having pressure, which enters computer room and had, to be accessed original dynamic environment monitoring system by RS485 interface communication modes, obtains in real time
Take the safety protection control system of current leak state.Feature is：When detecting that flood occurs, actively protect at once, with pressure
Power water inlet is refused in outside equipment room and sending signal prompt；And No. three independent switch amounts outputs, there is sound and light alarm, another all the way
Two tunnels independently execute output；Digital information exports to dynamic environment monitoring system all the way；After flood processing, it is necessary to manual closing
Reset switch, band press water just recover；It is adapted to all dynamic rings with RS485 (RS232 adds conversion head to change) into standard interface
Border monitoring system.
Above-described embodiment is the preferable embodiment of the utility model, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplify, should be equivalent substitute mode, be included within the scope of protection of the utility model.
Claims (10)
1. a kind of active leak detection of the room control system, it is characterised in that including single-chip computer control system, two-way or two-way
Above periphery resistance measuring circuit, three road separate relay output units and state indication unit, per the resistance measurement of road periphery
Circuit is all connected with a delocalization leak rope；The peripheral resistance measuring circuit, three road separate relay output units, state refer to
Show that unit is connected with single-chip computer control system.
2. active leak detection of the room control system according to claim 1, it is characterised in that the single-chip microcomputer control
System uses STM8S105 family chips.
3. active leak detection of the room control system according to claim 1, it is characterised in that the state instruction list
Member includes three LEDs and all the way SR.
4. active leak detection of the room control system according to claim 1, it is characterised in that outside per drive test amount resistance
Enclosing measuring circuit includes first resistor, second resistance, 3rd resistor, the first diode and the second diode, first resistor connection
The anode of first diode, the negative electrode of the first diode connect the negative electrode of the second diode, the anode connection of the second diode the
Two resistance, 3rd resistor are arranged between the anode of second resistance and the second diode.
5. active leak detection of the room control system according to claim 1, it is characterised in that per road separate relay
Output unit includes power relay, the 3rd diode, the 4th resistance and electric capacity, divides after the 4th resistance and electric capacity are in parallel
The negative electrode of the 3rd diode and the first input pin of power relay are not connected to, and the anode of the 3rd diode is connected to
Second input pin of power relay.
6. active leak detection of the room control system according to claim 5, it is characterised in that the power relay
Using the relay of HF49FD series.
7. active leak detection of the room control system according to claim 1, it is characterised in that the delocalization leak
Rope arrangement be attached into water water pipe by the side of, drainpipe by the side of and equipment protection area periphery.
8. active leak detection of the room control system according to claim 1, it is characterised in that also include all the way
RS485 output circuits, original environmental monitoring system is accessed by RS485 interface communication modes.
9. active leak detection of the room control system according to claim 1, it is characterised in that the single-chip microcomputer control
System is additionally provided with the toggle switch for adjusting Humidity Sensitivity.
10. active leak detection of the room control system according to claim 1, it is characterised in that the single-chip microcomputer control
System processed is also associated with executing agency, and the executing agency is laid in outside protected equipment or has the indoor position of safeguard measure
Put, the very first time refuses band pressure water inlet in outdoor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480413.3U CN207020495U (en) | 2017-05-03 | 2017-05-03 | Active leak detection of the room control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480413.3U CN207020495U (en) | 2017-05-03 | 2017-05-03 | Active leak detection of the room control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207020495U true CN207020495U (en) | 2018-02-16 |
Family
ID=61460588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720480413.3U Active CN207020495U (en) | 2017-05-03 | 2017-05-03 | Active leak detection of the room control system |
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| CN (1) | CN207020495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045088A (en) * | 2019-12-31 | 2020-04-21 | 深圳市英威腾电源有限公司 | Liquid leakage detection device and method |
-
2017
- 2017-05-03 CN CN201720480413.3U patent/CN207020495U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045088A (en) * | 2019-12-31 | 2020-04-21 | 深圳市英威腾电源有限公司 | Liquid leakage detection device and method |
| CN111045088B (en) * | 2019-12-31 | 2022-05-13 | 深圳市英威腾电源有限公司 | Liquid leakage detection device and method |
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