CN206147724U - Central air -condition accounting system - Google Patents
Central air -condition accounting system Download PDFInfo
- Publication number
- CN206147724U CN206147724U CN201620716211.XU CN201620716211U CN206147724U CN 206147724 U CN206147724 U CN 206147724U CN 201620716211 U CN201620716211 U CN 201620716211U CN 206147724 U CN206147724 U CN 206147724U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- central air
- photoelectrical coupler
- blower fan
- air conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a central air -condition accounting system, this system include singlechip, fan detection circuit and motorised valve detection circuitry, and the fan detection circuit utilizes two parallel circuit that have an optoelectronic coupler to differentiate fans to be in operating condition, block state or off -line state, to help central air conditioning managers discovery in time and the fan that the charge system breaks away from, prevent to steal use central air conditioning resource and later stage the dispute of paying to appear. And simultaneously, the utility model discloses central air -condition accounting system is provided with alarm means, and when the fan detection circuit had detected the fan and is in the off -line state, alarm means sent out the police dispatch newspaper and reminds a managers in time to handle.
Description
Technical field
This utility model is related to air-conditioning equipment field, more particularly to a kind of charge system of central air-conditioning.
Background technology
As the occasions such as the continuous development of society, hotel, office building and apartment more and more use central air-conditioning system
System.Central air-conditioning is different from common air-conditioning, and central air-conditioning concentrates the consumption energy to provide service for multiple target user.Therefore, in
Centre air-conditioning needs configuring charging system to share the energy expenditure for maintaining self-operating to all of user, and the charge system
It must is fulfilled for the principle of " multiplex many payings, few few paying ".
Central Air Conditioning Billing System is many at present, and one kind therein is " blower fan charging way ".User is obtained from central air-conditioning
The cold wind or hot blast for obtaining is provided by blower fan, can use central hollow with metering user by the time of metering user fan operation
The degree of tune, the method are referred to as " blower fan charging way ".The method that whether metering blower fan runs in prior art is using measurement
By a detection line, circuit measures whether blower fan work voltage input end has voltage, single-chip microcomputer measures the voltage duration
Used as the fan operation time, single-chip microcomputer calculates central air-conditioning usage charges based on the fan operation time.This mode of operation
Defect is：Detection line is not solid and reliable with the connection of blower voltage input, if detection line comes off or detection line quilt
Artificially extract, measuring circuit cannot obtain running voltage, single-chip microcomputer can judge that blower fan is in halted state.This defect is not only
Central Air Conditioning Billing System brings hidden danger, and cannot monitor to steal the user for using central air-conditioning.
Utility model content
During the technical problems to be solved in the utility model is prior art, using the central air-conditioning meter of " blower fan charging way "
Charge system after detection line comes off or is artificially extracted, the charge system None- identified situation.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of Central Air Conditioning Billing System, bag
Single-chip microcomputer, aerator supervision circuit and detection line are included, aerator supervision circuit includes the first photoelectrical coupler and the second photoelectrical coupler,
The source side difference connecting detection line of the first photoelectrical coupler and zero line, the secondary output connection single-chip microcomputer of the first photoelectrical coupler,
The source side difference connecting detection line of the second photoelectrical coupler and live wire, the secondary output connection single-chip microcomputer of the second photoelectrical coupler,
The low-grade control terminal of the blower fan of detection line connection central air-conditioning；It is if the first photoelectrical coupler secondary is output as high level, single
Piece machine judges that blower fan is working condition, and single-chip microcomputer is recorded and stores blower fan work state duration；If the first photoelectric coupling
Device secondary is output as 0 current potential, and the secondary of the second photoelectrical coupler is output as high level, and single-chip microcomputer judges that blower fan is halted state；
If the first photoelectrical coupler secondary is output as 0 current potential, the secondary of the second photoelectrical coupler is output as 0 current potential, and single-chip microcomputer judges
Blower fan is off-line state, and single-chip microcomputer is recorded and stores the blower fan off-line state persistent period.
Further, Central Air Conditioning Billing System also includes the alarm unit being connected with single-chip microcomputer, when single-chip microcomputer judges wind
When machine is off-line state, Single-chip Controlling alarm unit sends alarm.
Further, Central Air Conditioning Billing System also includes the RS485 ports being connected with single-chip microcomputer, and RS485 ports are used for
Single-chip microcomputer and upper machine communication.
Further, Central Air Conditioning Billing System also includes input block and the display unit being connected with single-chip microcomputer, input
Unit is used for |input paramete information and is transferred to single-chip microcomputer, and display unit shows the state of central air-conditioning under the control of single-chip microcomputer
Information.
Beneficial effect：(1) this utility model Central Air Conditioning Billing System is provided with aerator supervision circuit, aerator supervision circuit
It is in running order, halted state or off-line state that blower fan is differentiated using two parallel circuits with photoelectrical coupler, is had
Help the blower fan that central air-conditioning management personnel have found in time to depart from charge system, prevent from stealing use central air-conditioning resource and
There is paying dispute in later stage.(2) RS485 ports are connected with the single-chip microcomputer of this utility model Central Air Conditioning Billing System, it is convenient
Charge system and the device talk such as outer computer or electronic water meter.(3) this utility model Central Air Conditioning Billing System is provided with
Alarm unit, when aerator supervision electric circuit inspection to have blower fan and detection line to depart from when, alarm unit sends alarm and reminding administrative man
Member is processed in time.
Description of the drawings
Fig. 1 is this utility model Central Air Conditioning Billing System structured flowchart.
Fig. 2 is aerator supervision circuit theory diagrams.
Wherein：1st, single-chip microcomputer；2nd, aerator supervision circuit；21st, the first photoelectrical coupler；22nd, the second photoelectrical coupler；3rd, it is alert
Declaration form unit；4th, RS485 ports；5th, input block；6th, display unit.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Embodiment 1
As shown in figure 1, the present embodiment Central Air Conditioning Billing System includes single-chip microcomputer 1, aerator supervision circuit 2, detection line, police
Declaration form unit 3, RS485 ports 4, input block 5 and display unit 6.
Aerator supervision circuit 2 is as shown in Fig. 2 aerator supervision circuit 2 includes the first photoelectrical coupler 21 and the second smooth thermocouple
Clutch 22, the source side of the first photoelectrical coupler 21 connect input F1_IN and zero line, the secondary of the first photoelectrical coupler 21 respectively
Output connection single-chip microcomputer 1, the source side of the second photoelectrical coupler 22 connects input F1_IN and live wire, the second photoelectric coupling respectively
The secondary output connection single-chip microcomputer 1 of device 22, between input F1_IN and the first photoelectrical coupler 21 and the second photoelectrical coupler 22
Current-limiting resistance and unidirectional protection diode are provided with, input F1_IN connects the low of the blower fan of central air-conditioning by detection line
Shelves control terminal.Blower fan measured by the present embodiment Central Air Conditioning Billing System be it is a kind of based on voltage mutual inductance technology totally zero around
Group third gear speed motor, as the gear of blower fan is uprised from low, the voltage on low-grade terminal constantly rises, i.e. the voltage of F1_IN points
Can gradually increase with the rising of blower fan gear.When blower fan is in running order, there is electricity on the source side of the first photoelectrical coupler
Potential difference, outfan F1 are in high potential.When blower fan is in quits work state, the source side isoelectric level of the first photoelectrical coupler,
There is potential difference on the source side of the second photoelectrical coupler, and outfan F1 is in 0 current potential, and outfan F1_U is in high level.When blower fan with
When detection line departs from, the first photoelectrical coupler and the second photoelectrical coupler are in open circuit, and outfan F1 and outfan F1_U is equal
In 0 current potential.
The aerator supervision circuit 2 of the present embodiment can also judge the gear of fan operation, and decision method is as follows：(1) respectively with
Basic, normal, high three gears run blower fan, are measured by aerator supervision circuit 2 and record the burning voltage under three gears, so
Blower fan gear transition magnitude of voltage U is set according to the stable voltage of three gears afterwards1And U2；(2) by transition magnitude of voltage U1And U2
Single-chip microcomputer is input into as parameter and is stored；(3) value of single-chip microcomputer foundation outfan F1_U when the present embodiment charge system works
Judge blower fan gear, concrete decision principle is as shown in table 1.
Table 1
| Fan condition | F1 | F1_U |
| It is low-grade | High level | 0 |
| It is middle-grade | High level | U(U1<U<U2) |
| It is high-grade | High level | U(U2<U) |
| Close | 0 | High level |
| Offline (detection line disengaging) | 0 | 0 |
Alarm unit 3 is connected with the single-chip microcomputer 1 of the present embodiment Central Air Conditioning Billing System, when single-chip microcomputer 1 judges blower fan
For off-line state when, single-chip microcomputer 1 control alarm unit 3 send alarm, so that the management personnel of central air-conditioning are processed in time.
RS485 ports 4, input block 5 are connected with the single-chip microcomputer 1 of the present embodiment Central Air Conditioning Billing System and show single
Unit 6；RS485 ports are used for single-chip microcomputer 1 with outer computer communication, and outer computer can read the pass of 1 memory storage of single-chip microcomputer
In each gear of blower fan and the persistent period of each state, to calculate central air-conditioning cost of use；Input block 5 is used for |input paramete
Information is simultaneously transferred to single-chip microcomputer 1, and display unit 6 shows the status information of central air-conditioning under the control of single-chip microcomputer 1.
Although being illustrated to embodiment of the present utility model in description, these embodiments are intended only as carrying
Show, should not limit protection domain of the present utility model.Various omissions are carried out in the range of without departing from this utility model objective, is put
Change and change is should be included in protection domain of the present utility model.
Claims (4)
1. a kind of Central Air Conditioning Billing System, it is characterised in that：Including single-chip microcomputer (1), aerator supervision circuit (2) and detection line,
Aerator supervision circuit (2) includes the first photoelectrical coupler (21) and the second photoelectrical coupler (22), the first photoelectrical coupler (21)
Source side difference connecting detection line and zero line, secondary output connection single-chip microcomputer (1) of the first photoelectrical coupler (21), the second photoelectricity
The source side difference connecting detection line of bonder (22) and live wire, the secondary output connection single-chip microcomputer of the second photoelectrical coupler (22)
(1), the low-grade control terminal of the blower fan of detection line connection central air-conditioning；
If the first photoelectrical coupler (21) secondary is output as high level, single-chip microcomputer (1) judges that blower fan is working condition, single-chip microcomputer
(1) record and store blower fan work state duration；
If the first photoelectrical coupler (21) secondary is output as 0 current potential, the secondary of the second photoelectrical coupler (22) is output as high electricity
Flat, single-chip microcomputer (1) judges that blower fan is halted state；
If the first photoelectrical coupler (21) secondary is output as 0 current potential, it is electric that the secondary of the second photoelectrical coupler (22) is output as 0
Position, single-chip microcomputer (1) judge that blower fan is off-line state, and single-chip microcomputer (1) is recorded and stores the blower fan off-line state persistent period.
2. Central Air Conditioning Billing System according to claim 1, it is characterised in that：Also include what is be connected with single-chip microcomputer (1)
Alarm unit (3), when single-chip microcomputer (1) judges blower fan as off-line state, single-chip microcomputer (1) control alarm unit (3) sends alarm.
3. Central Air Conditioning Billing System according to claim 2, it is characterised in that：Also include what is be connected with single-chip microcomputer (1)
RS485 ports (4), RS485 ports (4) are for single-chip microcomputer (1) and upper machine communication.
4. Central Air Conditioning Billing System according to claim 3, it is characterised in that：Also include what is be connected with single-chip microcomputer (1)
Input block (5) and display unit (6), input block (5) is for |input paramete information and is transferred to single-chip microcomputer (1), shows single
First (6) show the status information of central air-conditioning under the control of single-chip microcomputer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620716211.XU CN206147724U (en) | 2016-07-07 | 2016-07-07 | Central air -condition accounting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620716211.XU CN206147724U (en) | 2016-07-07 | 2016-07-07 | Central air -condition accounting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206147724U true CN206147724U (en) | 2017-05-03 |
Family
ID=58617771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620716211.XU Expired - Fee Related CN206147724U (en) | 2016-07-07 | 2016-07-07 | Central air -condition accounting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206147724U (en) |
-
2016
- 2016-07-07 CN CN201620716211.XU patent/CN206147724U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20200707 |