CN1865862A - Household heating temperature-controlled charging device and heating-cost calculating method - Google Patents

Abstract

The disclosed charging device for individual heating and controlling temperature comprise: an indoor temperature collector with a temperature sensor on input end; and a controller with input end being arranged all of an outdoor temperature sensor, a water-feeding temperature sensor, and a return-water temperature sensor, and analog output end connected to an electric control valve through a drive amplifier. Wherein, the corresponding method comprises: scaling heating parameters by the correlative program stored in the second CPU in the controller on-field, calculating weight values and thermal equivalent, and obtaining the heat charge for individual user. This invention can charge more reasonably, and prevents waste.

Description

Household heating temperature-control charging device and hot cost calculating method

Technical field

The present invention relates to a kind of heating temperature-control charging device and hot cost calculating method, be applicable to the household heating temperature-control charging device and the hot cost calculating method of Double tube specifically.

Background technology

At present, the method for American-European countries's metering of heat supplied on a household basis has following three kinds substantially: directly measure the heat that the user consumes with the heat energy table from heating system; Determine user's heat consumption by the heat dissipation capacity of measuring user's heat dissipation equipment; Determine user's heat consumption by the thermal load (temperature) of measuring the user room.Wherein what of user's heat dissipation are first method can accurately reflect, but measuring accuracy is subjected to the influence of water quality easily, stability is not high, can not solve simultaneously when a family and stop when hot can not solving the problem of the same comfortable degree hear rate increase that causes owing to factors such as cold mountain, top layers neighbours' heat absorption influence on every side.The second method implementation cost is lower, and interior conduit distributed does not have specific (special) requirements, but measuring accuracy is not high, and installation, maintenance, test, management process more complicated, be difficult to avoid the artificial damage in the use, have the possibility of user the evaporator cheating.The principle that the third method is paid identical heat expense according to the same comfortable degree directly becomes commodity to temperature, be the acceptable methods of common people, also limited simultaneously the problem of ' having temperature not pay the fees ' that heating room not caused the neighbours heat absorption, but can't limit wasting phenomenon such as window, be unfavorable for energy-conservation.The problem that these methods exist is the major obstacle of household metering popularization at technical elements.

Summary of the invention

The present invention is for solving deficiency of the prior art, and its purpose is to provide a kind of can realize fair household heating temperature-control charging device and the hot cost calculating method that charges.

For achieving the above object, the technical solution used in the present invention is:

Apparatus of the present invention comprise Temperature sampler and controller, and this Temperature sampler is installed on indoor, and its input end is connected to indoor temperature transmitter; The input end of this controller is connected to outdoor temperature sensor, supply water temperature sensor and return water temperature sensor, analog output links to each other with electric control valve through driving amplifier, have the automatic calibrating procedure of on-site parameters in the 2nd central processing unit in the controller, Temperature sampler carries out communication with controller by communication interface and is connected.

Described Temperature sampler has first central processing unit, and its analog quantity input end links to each other with indoor temperature transmitter; The digital quantity output terminal of first central processing unit is connected to first display; The digital quantity input end of first central processing unit is connected to first keyboard; First central processing unit carries out communication by first communication interface and controller and is connected;

Described controller has second central processing unit, and its analog quantity input end links to each other with outdoor temperature sensor, supply water temperature sensor, return water temperature sensor and valve position feedback signal; The digital quantity output terminal of second central processing unit is connected to second display; The digital quantity input end of second central processing unit is connected to address switch; Second communication interface of second central processing unit also is connected to checks meter; The digital quantity input pin of second central processing unit is connected to the IC-card interface; The digital input end of second central processing unit links to each other with adjacent resident family heating switching signal; The digital quantity output terminal of second central processing unit is connected to adjacent resident family controller heating signal input part with this resident family heating switching signal; The analog quantity output terminal of second central processing unit is connected to electric control valve through driving amplifier.

The inventive method has following steps:

On-site proving heating parameter; According to heating calculation of parameter weighted value; Calculate heat equivalent; Calculate the hot expense that resident family need bear.

Described on-site proving heating parameter is specially: start the automatic calibrating procedure of on-site parameters and demarcate automatically before formal the charging, generate the heating parameter list of this resident family; By 1 ℃ of the every rising of calibration range temperature of room temperature, demarcate the parameter that once heats, described heating parameter comprises supply water temperature, return water temperature, outdoor temperature, room temperature and water supply valve aperture; Described calculating weighted value is specially: medial temperature is T in current time records the room _n(x τ), supply water temperature are T _g(x τ), return water temperature are T _h(x τ), outdoor temperature is T _w(x τ), actual opening valve degree are KD _s(x τ), wherein τ is the sampling period, x=1......M, M are the round values that obtains divided by sampling period τ heating T.T.; Look into the heating parameter list of this resident family, obtaining working as room temperature is T _nWhen (x τ), supply water temperature is T _g, return water temperature is T _h, outdoor temperature is T _w, valve opening is KD, then is level pressure power, when valve is the linear regulation valve, draws following expression when system water supply:

Then:

$\mathrm{KD}(x\·\mathrm{\τ})=\frac{(T_g-T_h)[T_n(x\·\mathrm{\τ})-T_w(x\·\mathrm{\τ})]}{[T_g(x\·\mathrm{\τ})-T_h(x\·\mathrm{\τ})](T_n(x\·\mathrm{\τ})-T_w)}\·\mathrm{KD}----\left(1\right)$

Wherein q, q (x τ) are respectively timing signal and current time resident family heating water supply flow, and KD (x τ) is for working as the theoretical aperture of early gate, and then the current weighted value of this user is:

$K(x\·\mathrm{\τ})=\frac{{\mathrm{KD}}_s(x\·\mathrm{\τ})}{\mathrm{KD}(x\·\mathrm{\τ})}----\left(2\right)$

Described calculating heat equivalent is specially:

$Q(i,j,k)=S(i,j,k)\·\mathrm{\τ}\·\underset{x=1}{\overset{M}{\mathrm{\Σ}}}K\left(x\right)\·[T_n(x\·\mathrm{\τ})-T_w(x\·\mathrm{\τ})]----\left(3\right)$

When K (x τ)＞1, if controller is inquired about adjacent resident family heating switching signal for closing signal, K (x τ)=1 in the formula (3); Otherwise K (x τ) will participate in the calculating of the heat equivalent of formula (3) by the result of calculation of formula (2);

Signal generation condition is closed in described heating: adjacent resident family closes temperature controller and/or adjacent resident family is made as antifreeze temperature with room temperature; The hot expense that described calculating resident family need bear is specially: calculate the total heat expense Y in this building by building consumer heat inlet total heat energy meter reading, calculate the hot expense that this resident family should share in the building with following formula:

$Y(i,j,k)=\frac{Y}{\underset{i=1}{\overset{\mathrm{<figure-callout\; id="1"\; label="n"\; filenames="A20061004701700101.png"\; state="\{\{state\}\}">n</figure-callout>}1}{\mathrm{\&Sigma;}}}\underset{j=1}{\overset{\mathrm{<figure-callout\; id="2"\; label="n"\; filenames="A20061004701700101.png"\; state="\{\{state\}\}">n</figure-callout>}2}{\mathrm{\&Sigma;}}}\underset{k=1}{\overset{n3}{\mathrm{\&Sigma;}}}Q(i,j,k)}\&CenterDot;Q(i,j,k).$

The present invention has the following advantages and beneficial effect:

1. realized that Everyone is equal in face of temperature.Because the present invention adopts the temperature weighted method to calculate hot expense, and wasting phenomenon such as the demarcation of weighted value has taken into full account the influence of situation that adjacent resident family room absorbs heat, place, room diverse location and self window, thereby can reasonably calculate the expense of resident family's expenditure under the same comfortable degree;

2. avoid the people to be the expense of being equally shared by all.The vacant room that the no one lives also has temperature owing to absorb the heat of adjacent resident family, can draw the expense that it need be paid with the inventive method calculating, has avoided artificial regulation to be equally shared by all the un-reasonable phenomenon of expense;

3. taken into full account the resident family that influenced by adjacent not heating room.Calculate by the inventive method, reduce as this resident family's room temperature, expense also can reduce, if do not reduce because valve opening strengthens temperature, expense can not increase yet, because by computing method of the present invention, this resident family's weighted value is 1, and the heat expense of increase is born by not heating resident family;

4. effectively control the generation of wasting phenomenon.The computing method according to the present invention, the heat radiation if resident family windows, and indoor temperature remains unchanged, and can cause weighted value to increase, the expense of expenditure also will increase, and with this limit waste, encourages energy-conservation;

5. taken into full account the resident family that is positioned at cold mountain, bottom or top layer.Because cold mountain, bottom or top room thermal load are big, and be at timing signal, bigger than other room as the valve opening of weighted calculation benchmark.When running into the thermal load disturbance, the aperture of valve will increase and decrease on the reference value basis of demarcating, and the result of calculation of its weighted value and other rooms are basic identical.Therefore in the system that charges by comfort level and weighted value, the resident family of cold mountain, top layer, bottom can not increase extra cost.

Description of drawings

Fig. 1 constitutes block diagram for apparatus of the present invention;

Fig. 2 is an electrical schematic diagram of the present invention ();

Fig. 3 is an electrical schematic diagram of the present invention (two);

Fig. 4 is an embodiment of the invention key diagram.

Embodiment

The present invention is applicable to and installs in each unit pipe well for return riser, and from drawing the horizontal branch pipe of each household for return riser, horizontal branch pipe and heating radiator adopt household heating that two-tube parallel connection or single tube connect and by amass, water trap and the temperature-control charging device and the hot cost calculating method of the geothermal heating system system that links of pipe laying.

As Fig. 1, shown in Figure 4, be the Double tube heating system, and mark off 5 adjacent dwelling units by dotted line.Heat summary table 1 is installed at the place in heat distribution pipeline main entrance, building, the heat energy total amount that all resident families consume in the record building, and each resident family is provided with a cover temperature-control charging device, its function is that the temperature in each room is gathered, medial temperature is controlled, and calculated the heat equivalent that this user consumes.Present embodiment is an example with middle resident family, this resident family has upstairs, downstairs, left and right four tame neighbours, at this resident family indoor installation household heating temperature-control charging device, comprise Temperature sampler 3 and controller 2, this Temperature sampler 3 is installed in the indoor room that needs heating installation or geothermal heating, as shown in Figure 2, has the first central processing unit U1, its input end is connected to indoor temperature transmitter T1, present embodiment adopts No. 6 temperature sensors at most, be installed in the different rooms, gather the temperature in this each room of resident family respectively; The digital quantity output terminal of the first central processing unit U1 is connected to the first display U4, is used for the parameter of demonstration time, temperature and setting; The digital quantity input end of the first central processing unit U1 is connected to the first keyboard U3, in order to temperature and time to be set; The first central processing unit U1 carries out communication by the first communication interface U2 with controller 2 and is connected; As shown in Figure 3, this controller 2 has the second central processing unit U7, its analog quantity input end is connected to outdoor temperature sensor T2, supply water temperature sensor T3, the valve position feedback signal of return water temperature sensor T4 and electric control valve 5, the analog quantity output terminal is connected to the actuator of electric control valve 5 (present embodiment employing T-valve) through driving amplifier U10, the digital input end of the second central processing unit U7 links to each other with the adjacent heating switching signal S1 of resident family, this signal is four the tunnel in the present embodiment, connect controller respectively, be used to detect the switch situation of adjacent resident family heating system from four family neighbours; The digital quantity output terminal of the second central processing unit U7 is connected to the second display U11, is used to the heat expense remaining sum that shows that heat equivalent or IC-card store; The digital quantity input end of the second central processing unit U7 is connected to address switch U9, is used to carry out geocoding; The second central processing unit U7 also can be connected with the U13 that checks meter by the second communication interface U6, its function is when heating season begins, temperature controller 3 is carried out initialization operation, and (patent No.: it is identical to check meter 20051004681514) with " fan coil metering control apparatus and heat metering method " with function for the structure of the U13 that checks meter; The digital quantity input pin of the second central processing unit U7 links to each other with IC-card interface U8, can be according to IC-card heat expense Stored Value by-pass valve control switch after heat is taken quantification; The digital quantity output terminal of the second central processing unit U7 is connected to adjacent resident family controller heating signal input part with the heating switching signal S2 of this resident family; There is the automatic calibrating procedure of on-site parameters among the second central processing unit U7 in the controller 2.

The course of work of apparatus of the present invention is as follows: gather the temperature in each room and calculate its weighted mean value by the temperature sensor T1 that is located at each space of living on one's own life, by serial ports and communication interface design temperature and medial temperature are transferred to the controller of being located in the piping shaft 2 then, controller 2 is regulated the aperture of electric control valve 5 automatically, makes the medial temperature in room reach setting value.Temperature between each independent housing, the user can regulate by hand valve 7 as required voluntarily, and as shown in Figure 4,6 is heating radiator, and 12 is reduction valve, and its effect is to keep heating water system pressure stability; Controller 2 is according to this resident family's heating parameter of demarcating and receive each temperature signal, the adjacent heating switching signal S1 of resident family, is in operation and calculates weighted value and heat equivalent; Controller 2 can be according to IC-card heat expense Stored Value by-pass valve control switch after heat is taken quantification; Controller 2 also can carry out initialization operation to controller 2 by checking meter when heating season begins, the heat equivalent of Read Controller 2 when heating finishes, and be uploaded to charging computer to carry out the calculating of heat expense.

The hot cost calculating method of household heating of the present invention comprises on-site proving heating parameter, according to heating calculation of parameter weighted value, calculate heat equivalent and calculate four parts of heat expense that resident family need bear, be specially:

1) on-site proving heating parameter

Start the automatic calibrating procedure of on-site parameters (start-up time is by settings of checking meter), by the aperture of this Automatic Program demarcation room temperature supply water temperature, return water temperature, outdoor temperature and variable valve of correspondence between 5～24 ℃, during 1 ℃ of the every rising of temperature.If wherein one group of corresponding parameters is respectively 20 ℃ of room temperatures; 65 ℃ of supply water temperatures; 55 ℃ of return water temperatures; Outdoor temperature-18 ℃; Valve opening 80%.

2) according to heating calculation of parameter weighted value

Be in operation, certain moment room temperature is 20 ℃; 68 ℃ of supply water temperatures; 56 ℃ of return water temperatures; Outdoor temperature-20 ℃; The actual aperture 85% of valve;

The theoretical aperture of valve:

/(20-(-18))×80％＝0.7

Then the current weighted value of this user is:

$K(x\&CenterDot;\mathrm{\&tau;})=\frac{{\mathrm{KD}}_S(x\&CenterDot;\mathrm{\&tau;})}{\mathrm{KD}(x\&CenterDot;\mathrm{\&tau;})}=0.85/0.7=1.21$

This user of this numeral explanation may window certainly or neighboring user is closed heating system, as windowing certainly for this user, it is the pass heating signal that controller is not received adjacent resident family, then this weighted value adopts the numerical value 1.21 that aforementioned calculation draws, close heating system as neighboring user, be the pass heating signal that controller has been received adjacent resident family, then this weighted value is 1.

3) calculate heat equivalent

The heat equivalent of this resident family Q (i, j, k) expression, then:

$Q(i,j,k)=S(i,j,k)\&CenterDot;\mathrm{\&tau;}\&CenterDot;\underset{x=1}{\overset{M}{\mathrm{\&Sigma;}}}K(x\&CenterDot;\mathrm{\&tau;})\&CenterDot;[T_n(x\&CenterDot;\mathrm{\&tau;})-T_w(x\&CenterDot;\mathrm{\&tau;})]----\left(3\right)$

Wherein i is a unit number, and j is a floor number, and k is a room number, and (i, j k) are the area in i unit, j floor, k room to S, and τ is sampling period (present embodiment is 5 minutes), and M is the round values of total heating time divided by τ.

4) calculate the hot expense that resident family need bear

The total heat that is calculated this building by building consumer heat inlet total heat energy meter reading is taken Y, calculates the hot expense that this resident family should share in the building with following formula:

$Y(i,j,k)=\frac{Y}{\underset{i=1}{\overset{\mathrm{<figure-callout\; id="1"\; label="n"\; filenames="A20061004701700101.png"\; state="\{\{state\}\}">n</figure-callout>}1}{\mathrm{\&Sigma;}}}\underset{j=1}{\overset{\mathrm{<figure-callout\; id="2"\; label="n"\; filenames="A20061004701700101.png"\; state="\{\{state\}\}">n</figure-callout>}2}{\mathrm{\&Sigma;}}}\underset{k=1}{\overset{n3}{\mathrm{\&Sigma;}}}Q(i,j,k)}\&CenterDot;Q(i,j,k),$

Wherein n1 is the unit sum in this building; N2 is the floor sum in this building; N3 is the total householdss of this unit, building, certain floor.

These computing method have realized the fair charging of household heating.

Claims (9)

1. household heating temperature-control charging device, it is characterized in that: comprise Temperature sampler (3) and controller (2), this Temperature sampler (3) is installed on indoor, and its input end is connected to indoor temperature transmitter (T1); The input end of this controller (2) is connected to outdoor temperature sensor, supply water temperature sensor and return water temperature sensor (T2～T4), analog output links to each other with electric control valve (5) through driving amplifier (U10), have the automatic calibrating procedure of on-site parameters in the 2nd central processing unit (U7) in the controller (2), Temperature sampler (3) carries out communication with controller (2) by communication interface and is connected.

2. by the described household heating temperature-control charging device of claim 1, it is characterized in that: described Temperature sampler (3) has first central processing unit (U1), and its analog quantity input end links to each other with indoor temperature transmitter (T1); The digital quantity output terminal of first central processing unit (U1) is connected to first display (U4); The digital quantity input end of first central processing unit (U1) is connected to first keyboard (U3); First central processing unit (U1) carries out communication by first communication interface (U2) with controller (2) and is connected;

Described controller (2) has second central processing unit (U7), and (T2～T4) and valve position feedback signal (S3) link to each other for its analog quantity input end and outdoor temperature sensor, supply water temperature sensor, return water temperature sensor; The digital quantity output terminal of second central processing unit (U7) is connected to second display (U11); The digital quantity input end of second central processing unit (U7) is connected to address switch (U9); Second communication interface (U6) of second central processing unit (U7) also is connected to check meter (U13); The digital quantity input pin of second central processing unit (U7) is connected to IC-card interface (U8); The digital input end of second central processing unit (U7) links to each other with adjacent resident family's heating switching signal (S1); The digital quantity output terminal of second central processing unit (U7) is connected to adjacent resident family controller heating signal input part with this resident family heating switching signal (S2); The analog quantity output terminal of second central processing unit (U7) is connected to electric control valve (5) through driving amplifier (U10).

3. hot cost calculating method of household heating is characterized in that having following steps:

On-site proving heating parameter; According to heating calculation of parameter weighted value; Calculate heat equivalent; Calculate the hot expense that resident family need bear.

4. by the hot cost calculating method of the described household heating of claim 3, it is characterized in that described on-site proving heating parameter is specially: before formal the charging, start the automatic calibrating procedure of on-site parameters and demarcate automatically, generate the heating parameter list of this resident family; By 1 ℃ of the every rising of calibration range temperature of room temperature, demarcate the parameter that once heats, described heating parameter comprises supply water temperature, return water temperature, outdoor temperature, room temperature and water supply valve aperture.

5. by the hot cost calculating method of the described household heating of claim 3, it is characterized in that described calculating weighted value is specially: medial temperature is T in current time records the room _n(x τ), supply water temperature are T _g(x τ), return water temperature are T _h(x τ), outdoor temperature is T _w(x τ), actual opening valve degree are KD _s(x τ), wherein τ is the sampling period, x=1......M, M are the round values that obtains divided by sampling period τ heating T.T.; Look into the heating parameter list of this resident family, obtaining working as room temperature is T _nWhen (x τ), supply water temperature is T _g, return water temperature is T _h, outdoor temperature is T _w, valve opening is KD, then is level pressure power, when valve is the linear regulation valve, draws following expression when system water supply:

$\frac{q}{q(x\&CenterDot;\mathrm{\&tau;})}=\frac{\mathrm{KD}}{\mathrm{KD}(x\&CenterDot;\mathrm{\&tau;})}=\frac{t_g(x\&CenterDot;\mathrm{\&tau;})-T_h(x\&CenterDot;\mathrm{\&tau;})}{T_g-T_h}\&CenterDot;\frac{T_n(x\&CenterDot;\mathrm{\&tau;})-T_w}{T_n(x\&CenterDot;\mathrm{\&tau;})-T_w(x\&CenterDot;\mathrm{\&tau;})},$ Then:

$\mathrm{KD}(x\&CenterDot;\mathrm{\&tau;})=\frac{(T_g-T_h)[T_n(x\&CenterDot;\mathrm{\&tau;})-T_w(x\&CenterDot;\mathrm{\&tau;})]}{[T_g(x\&CenterDot;\mathrm{\&tau;})-T_h(x\&CenterDot;\mathrm{\&tau;})](T_n(x\&CenterDot;\mathrm{\&tau;})-T_w)}\&CenterDot;\mathrm{KD}---\left(1\right),$

Wherein q, q (x τ) are respectively timing signal and current time resident family heating water supply flow, and KD (x τ) is for working as the theoretical aperture of early gate, and then the current weighted value of this user is:

$K(x\&CenterDot;\mathrm{\&tau;})=\frac{{\mathrm{KD}}_s(x\&CenterDot;\mathrm{\&tau;})}{\mathrm{KD}(x\&CenterDot;\mathrm{\&tau;})}---\left(2\right).$

6. by the hot cost calculating method of the described household heating of claim 3, it is characterized in that described calculating heat equivalent, be specially:

$Q(i,j,k)=S(i,j,k)\&CenterDot;\mathrm{\&tau;}\&CenterDot;\underset{x=1}{\overset{M}{\mathrm{\&Sigma;}}}K(x\&CenterDot;\mathrm{\&tau;})\&CenterDot;[T_n(x\&CenterDot;\mathrm{\&tau;})-T_w(x\&CenterDot;\mathrm{\&tau;})]---\left(3\right).$

7. by claim 5 or the hot cost calculating method of 6 described household heatings, it is characterized in that: when K (x τ)＞1, controller is inquired about adjacent resident family's heating switching signal (S1) if for closing signal, K (x τ)=1 in the formula (3); Otherwise K (x τ) will participate in the calculating of the heat equivalent of formula (3) by the result of calculation of formula (2).

8. by the hot cost calculating method of the described household heating of claim 7, it is characterized in that: described heating is closed signal generation condition and is: adjacent resident family closes temperature controller and/or adjacent resident family is made as antifreeze temperature with room temperature.

9. by the hot cost calculating method of the described household heating of claim 3, it is characterized in that calculating the hot expense that resident family need bear, be specially: the total heat that is calculated this building by building consumer heat inlet total heat energy meter reading is taken Y, calculates the hot expense that this resident family should share in the building with following formula:

$Y(i,j,k)=\frac{Y}{\underset{i=1}{\overset{n1}{\mathrm{\&Sigma;}}}\underset{j=1}{\overset{n2}{\mathrm{\&Sigma;}}}\underset{k=1}{\overset{n3}{\mathrm{\&Sigma;}}}Q(i,j,k)}\&CenterDot;Q(i,j,k);$

Wherein n1 is the unit sum in this building; N2 is the floor sum in this building; N3 is the total householdss of this unit, building, certain floor.

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