CN201637150U - Leak detection device of solar water heating system - Google Patents
Leak detection device of solar water heating system Download PDFInfo
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- CN201637150U CN201637150U CN2010201242931U CN201020124293U CN201637150U CN 201637150 U CN201637150 U CN 201637150U CN 2010201242931 U CN2010201242931 U CN 2010201242931U CN 201020124293 U CN201020124293 U CN 201020124293U CN 201637150 U CN201637150 U CN 201637150U
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- pressure
- heating system
- water heating
- solar water
- difference signal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The utility model provides a leak detection device of a solar water heating system, the device comprises a pressure sampler, a pressure difference judging device and a controller, wherein the pressure sampler is used for sampling the first pressure in a water supply pipeline of the solar water heating system and the second pressure in a water return pipeline, and further respectively obtaining a first pressure value and a second pressure value; the pressure difference judging device is used for comparing the first pressure value with the second pressure value obtained from the pressure sampler, when the difference between the first pressure value and the second pressure value is larger than the preset pressure range, a pressure difference signal is sent to the controller; and the controller is used for sending a control signal to a water supply pump of the solar water heating pump after receiving the pressure difference signal from the pressure difference judging device and cutting off a power supply of the water supply pump. The leak detection device can cut off the power supply of the water supply pump when the pressure difference between the first pressure value and the second pressure value is larger than the preset pressure range, and find the leak situation of the solar water heating system in time.
Description
Technical field
The utility model relates to a kind of solar water heating system leak detecting device.
Background technology
At present, solar water heating system has obtained extensive use.
Yet because various factors, solar water heating system leakage situation can occur when using, and especially blasted pipe phenomenon can appear in the vacuum tube as heat collector.Find timely and solve if such situation must not get, will cause the solar water heating system can't output hot water, and the water in the solar water heating system will trickle incessantly, thereby cause solar water heating system not have the waste of hot water supply and water resource.
At the leakage situation that can't in time find and solve solar water heating system, effective solution is not proposed as yet at present.
The utility model content
In view of this, the utility model provides a kind of solar water heating system leak detecting device, can't in time find and solve the problem of the leakage of solar water heating system in order to solve in the correlation technique.According to an aspect of the present utility model, provide a kind of solar water heating system leak detecting device.Comprise according to solar water heating system leak detecting device of the present utility model: pressure samples device, pressure reduction determining device, controller; The pressure samples device is used for first pressure of the supply channel of solar water heating system and second pressure in the water return pipeline are sampled, and obtains first force value and second force value respectively; The pressure reduction determining device is used for first force value and second force value from the pressure samples device are compared, and during greater than predetermined pressure range, sends pressure difference signal to controller in the difference of first force value and second force value; Controller is used for behind the pressure difference signal that receives the owner pressure difference determining device, transmits control signal to the supply-water pump of solar water heating system, in order to cut off the power supply of supply-water pump.
Preferably, the pressure samples device comprises: the first flow meter and second flowmeter that can long-range transmission signal; The first flow meter is serially connected on the supply channel, is used to obtain first force value; Second flowmeter is serially connected on the water return pipeline, is used to obtain second force value.Preferably, the first flow meter is concatenated into one of following position: the supply channel of each heat collector in the supply channel of the main-supply road of solar water heating system, the thermal-arrest array of solar water heating system, the thermal-arrest array; Second flowmeter is concatenated into one of following position: the water return pipeline of each heat collector in the water return pipeline of the main water return tube road of solar water heating system, the thermal-arrest array of solar water heating system, the thermal-arrest array.Preferably, the pressure samples device comprises first pilot port and second pilot port, and first pilot port is connected on the supply channel by conduction device, is used to obtain first pressure, and second pilot port is connected on the water return pipeline by conduction device, is used to obtain second pressure; The pressure reduction determining device comprises diaphragm, slide post, pressure difference signal transmitter, bear respectively from first pressure of first pilot port with from second pressure of second pilot port both sides of diaphragm, if the pressure differential overpressure scope between first pressure and second pressure, the slide post that diaphragm deformation promotes to be attached thereto slides, slide post contacts, connects the pressure difference signal transmitter with the contact switch of pressure difference signal transmitter after sliding, the pressure difference signal transmitter sends pressure difference signal to controller, wherein, the pressure that the pressure of diaphragm deformation is comprised greater than pressure limit.Preferably, first pilot port is connected to one of following position: the supply channel of each heat collector in the supply channel of the main-supply road of solar water heating system, the thermal-arrest array of solar water heating system, the thermal-arrest array; Second pilot port is connected to one of following position: the water return pipeline of each heat collector in the water return pipeline of the main water return tube road of solar water heating system, the thermal-arrest array of solar water heating system, the thermal-arrest array.
Preferably, this leak detecting device also comprises: timer, be connected to controller, and be used for when solar water heating system is started shooting, the scheduled time being carried out timing; Controller also is used for transmitting control signal according to the pressure difference signal that receives after timer timing then.
Preferably, this leak detecting device also comprises: alarm, be connected to controller, and be used for after controller receives pressure difference signal, send sound and/or light and report to the police.
The technical scheme that provides by means of the utility model, first force value by obtaining supply channel in the solar water heating system and second force value in the water return pipeline, and the pressure differential between first force value and second force value is during greater than predetermined pressure range, supply-water pump to solar water heating system transmits control signal, to cut off the power supply of supply-water pump, can find the leakage situation of solar water heating system in time, and supply-water pump is quit work, can't in time find and solve the problem that solar water heating system leaks in the correlation technique thereby can solve.
Other features and advantages of the utility model will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the utility model.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with embodiment one of the present utility model, does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structured flowchart of having used according to the solar water heating system of the leak detecting device of the utility model embodiment;
Fig. 2 A is the structured flowchart according to the solar water heating system leak detecting device of the utility model embodiment;
Fig. 2 B is another structured flowchart according to the solar water heating system leak detecting device of the utility model embodiment;
Fig. 3 is according to the concrete structured flowchart of implementing of the solar water heating system leak detecting device of the utility model embodiment;
Fig. 4 is according to concrete another structured flowchart implemented of the solar water heating system leak detecting device of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described, should be appreciated that embodiment described herein only is used for description and interpretation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of having used according to the solar water heating system of the solar water heating system leak detecting device of the utility model embodiment, and Fig. 2 shows the structure according to the solar water heating system leak detecting device of the utility model embodiment.
As shown in Figure 1, solar water heating system comprises: solar water heating system leak detecting device 2, collector array 4, storage tank 6, supply-water pump 8, wherein, collector array 4, storage tank 6, supply-water pump 8 are connected in series successively and form the loop.By the running of supply-water pump 8, the hot water that produces in the collector array 4 is sent to indoor, the indoor hot water that provides is provided.
Shown in Fig. 2 A, comprise according to the solar water heating system leak detecting device of the utility model embodiment: pressure samples device 21, pressure reduction determining device 23, controller 25.
Being provided with of pressure limit can be set according to the configuring condition of actual solar water heating system, and difference according to the installation site of pressure samples device 21, the setting of pressure limit value is also different, particularly, pressure limit value when pressure samples device 21 is installed in position A is greater than the pressure limit value that is installed in position B, and the pressure limit value that is installed in position B is greater than the pressure limit value that is installed in position C.
In addition, shown in Fig. 2 B, can also comprise a timer 251 and alarm 252 according to the solar water heating system leak detecting device of the utility model embodiment, timer 251 and alarm 252 are connected to controller 25 respectively.Timer 251 is used for when solar water heating system is started shooting the scheduled time being carried out timing, for example timing is 1 minute, when controller 25 is subjected to pressure difference signal after timer 251 timing finish, just send control signal, can ignore the pressure reduction abnormal conditions that occur when system starts like this.Alarm 252 is used for sending after receiving pressure difference signal sound and/or light is reported to the police, leakage situation to occur in the prompting personnel systems.
In the concrete process of implementing, the solar water heating system leak detecting device shown in Fig. 2 A has multiple way of realization, the following specifically describes.
Embodiment one
Fig. 3 shows according to the concrete structure of implementing of the solar water heating system leak detecting device of the utility model embodiment, and as shown in Figure 3, this device comprises: first flow meter 211, second flowmeter 213, pressure determining device 23, controller 25.Wherein, the first flow meter 211 and second flowmeter 213 all be can long-range transmission signal hot water gauge, first flow meter 211 is serially connected on the supply channel pressure of hot water in the supply channel sampled and obtains first force value, and second flowmeter 213 is serially connected on the water return pipeline pressure of hot water in the water return pipeline sampled and obtains second force value.Pressure determining device 23 and controller 25 can be realized by hardware, also can realize by software, and can concentrate and be set together.
The operation principle of the described device of Fig. 3 comprises: the first flow meter 211 and second flowmeter 213 send to pressure determining device 23 with first force value and second force value respectively by the mode of telecommunication; First force value and second force value that 23 pairs of pressure determining devices receive compare, if the difference of the two is during greater than default pressure limit, pressure determining device 23 sends pressure difference signal to controller 25, controller 25 transmits control signal to supply-water pump 8 after receiving pressure difference signal, and this control signal is used to indicate supply-water pump 8 powered-downs.Particularly, pressure limit can be arranged between 1000 handkerchief to 1200 handkerchiefs.
Solar water heating system leak detecting device shown in Figure 3 judges by force value, pressure determining device 23 that the first flow meter 211 and second flowmeter 213 obtain in supply channel and the water return pipeline whether the pressure differential in supply channel and the water return pipeline surpasses default pressure limit, can find the leakage situation that occurs in the solar water heating system in time, send control signal by controller 25 to supply-water pump 8, can solar water heating system be quit work, thereby address the leakage concern in time.
Embodiment two
Fig. 4 shows according to concrete another structure implemented of the solar water heating system leak detecting device of the utility model embodiment, as shown in Figure 4, this device comprises: pressure switch 27 (pressure switch is corresponding to pressure samples device 21 and the pressure reduction determining device 23 of Fig. 2), controller 25.Wherein, pressure switch 27 comprises first pilot port 271 and second pilot port 272 (first pilot port 271 and second pilot port 272 are corresponding to the pressure samples device 21 of Fig. 2), diaphragm 273, slide post 274, pressure difference signal transmitter 275 (diaphragm 273, slide post 274, pressure difference signal transmitter 275 are corresponding to the pressure reduction determining device 23 among Fig. 2), and pressure switch 27 also comprises spring 276, line hole 277, sealing gasket 278, sealing ring 279, guide pillar 280.
The operation principle of device shown in Figure 4 comprises: first pilot port 271 obtains first pressure in the system water supply pipeline, second pilot port 272 obtains second pressure in system's water return pipeline, bear respectively from first pressure of first pilot port 271 with from second pressure of second pilot port 272 both sides of diaphragm 273, if the pressure differential overpressure scope between first pressure and second pressure, promptly, the pressure that makes diaphragm 273 distortion is greater than the included pressure of pressure limit, the slide post 274 that diaphragm 273 distortion promote to be attached thereto slides, after sliding, slide post 274 contacts with the contact switch 2751 of pressure difference signal transmitter 275, be communicated with pressure difference signal transmitter 275, pressure difference signal transmitter 275 sends analog signal (being the signal of telecommunication) by holding wire 2752 to controller 25.After controller 25 receives this signal of telecommunication, transmit control signal, with the power supply that cuts off supply-water pump 8, solar water heating system is quit work to supply-water pump 8.
First pilot port 271 and second pilot port 272 can be connected to the position of A among Fig. 1, B, C respectively, being connected to diverse location makes, the signal of telecommunication strong and weak different, particularly, the quiescent current when being connected to A is the strongest, can reach 4 to 8 milliamperes, quiescent current intensity when being connected to B is taken second place, can reach 4 to 6 milliamperes, the quiescent current when being connected to C is the most weak, can reach 4 to 5 milliamperes.
Solar water heating system leak detecting device shown in Figure 4 obtains first pressure of supply channel and second pressure of water return pipeline respectively by first pilot port 271 and second pilot port 272 of pressure switch 27, and when the pressure differential of first pressure and second pressure surpasses predetermined pressure range, be communicated with pressure difference signal generator 275, send pressure difference signal by diaphragm 273 and slide post 274 to controller 25, so that controller 25 transmits control signal to supply-water pump 8, thereby can find and solve the leakage that occurs in the solar water heating system in time.
In sum, the solar water heating system leak detecting device and the method that provide by means of the utility model embodiment, obtain the pressure of supply channel in the solar water heating system and the pressure of water return pipeline by the pressure samples device, the pressure reduction determining device relatively and judge that whether the pressure differential between these two pressure surpasses predetermined pressure range, when surpassing this pressure limit, determine to occur in the solar water heating system leakage situation, at this moment, the pressure reduction determining device sends pressure difference signal to controller, controller is after receiving this pressure difference signal, supply-water pump to solar water heating system transmits control signal, to cut off the power supply of supply-water pump, can find the leakage situation in the solar water heating system so in time, control system quits work in time.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a solar water heating system leak detecting device is characterized in that, comprising: pressure samples device, pressure reduction determining device, controller;
Described pressure samples device is used for first pressure of the supply channel of described solar water heating system and second pressure in the water return pipeline are sampled, and obtains first force value and second force value respectively;
Described pressure reduction determining device is used for described first force value and described second force value from described pressure samples device are compared, during greater than predetermined pressure range, send pressure difference signal in the difference of described first force value and described second force value to described controller;
Described controller is used for behind the described pressure difference signal that receives from described pressure reduction determining device, transmits control signal to the supply-water pump of described solar water heating system, in order to cut off the power supply of described supply-water pump.
2. leak detecting device according to claim 1 is characterized in that, described pressure samples device comprises: the first flow meter and second flowmeter that can long-range transmission signal;
Described first flow meter is serially connected on the described supply channel, is used to obtain described first force value;
Described second flowmeter is serially connected on the described water return pipeline, is used to obtain described second force value.
3. leak detecting device according to claim 2 is characterized in that,
Described first flow meter is concatenated into one of following position: the supply channel of each heat collector in the supply channel of the thermal-arrest array of the main-supply road of described solar water heating system, described solar water heating system, the described thermal-arrest array;
Described second flowmeter is concatenated into one of following position: the water return pipeline of each heat collector in the water return pipeline of the thermal-arrest array of the main water return tube road of described solar water heating system, described solar water heating system, the described thermal-arrest array.
4. leak detecting device according to claim 1 is characterized in that,
Described pressure samples device comprises first pilot port and second pilot port, described first pilot port is connected on the described supply channel by conduction device, be used to obtain described first pressure, described second pilot port is connected on the described water return pipeline by conduction device, is used to obtain described second pressure;
Described pressure reduction determining device comprises diaphragm, slide post, the pressure difference signal transmitter, bear respectively from described first pressure of described first pilot port with from described second pressure of described second pilot port both sides of described diaphragm, if the pressure differential between described first pressure and described second pressure surpasses described pressure limit, the described slide post that described diaphragm deformation promotes to be attached thereto slides, described slide post contacts with the contact switch of described pressure difference signal transmitter after sliding, be communicated with described pressure difference signal transmitter, described pressure difference signal transmitter sends described pressure difference signal to described controller, wherein, the pressure that the pressure of described diaphragm deformation is comprised greater than described pressure limit.
5. leak detecting device according to claim 4 is characterized in that,
Described first pilot port is connected to one of following position: the supply channel of each heat collector in the supply channel of the thermal-arrest array of the main-supply road of described solar water heating system, described solar water heating system, the described thermal-arrest array;
Described second pilot port is connected to one of following position: the water return pipeline of each heat collector in the water return pipeline of the thermal-arrest array of the main water return tube road of described solar water heating system, described solar water heating system, the described thermal-arrest array.
6. leak detecting device according to claim 1 is characterized in that, described leak detecting device also comprises: timer, be connected to described controller, and be used for when described solar water heating system is started shooting, the scheduled time being carried out timing;
Described controller also is used for sending described control signal according to the described pressure difference signal that receives after described timer timing then.
7. leak detecting device according to claim 1 is characterized in that, described leak detecting device also comprises:
Alarm is connected to described controller, is used for after described controller receives described pressure difference signal, sends sound and/or light and reports to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201242931U CN201637150U (en) | 2010-03-05 | 2010-03-05 | Leak detection device of solar water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201242931U CN201637150U (en) | 2010-03-05 | 2010-03-05 | Leak detection device of solar water heating system |
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| CN201637150U true CN201637150U (en) | 2010-11-17 |
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| CN2010201242931U Expired - Fee Related CN201637150U (en) | 2010-03-05 | 2010-03-05 | Leak detection device of solar water heating system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261754A (en) * | 2011-05-12 | 2011-11-30 | 海尔集团公司 | Automatic liquid supply equipment and overhaul reminding method of the same |
| CN102635960A (en) * | 2012-05-11 | 2012-08-15 | 江苏富源节能电器有限公司 | Automatic alarm device for leakage of water tank |
| CN103090559A (en) * | 2013-02-01 | 2013-05-08 | 河南农业大学 | Solar water heating system and detecting device and monitoring method for valve explosion thereof |
| CN103267157A (en) * | 2013-04-26 | 2013-08-28 | 湖南科技大学 | Automatic fluid stopping device |
| CN103673354A (en) * | 2014-01-02 | 2014-03-26 | 江苏富源节能电器有限公司 | Automatic leakage warning device of solar water heating system |
| CN105865051B (en) * | 2016-04-05 | 2017-03-22 | 上海理工大学 | Solar thermal collector capable of detecting leakage |
-
2010
- 2010-03-05 CN CN2010201242931U patent/CN201637150U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261754A (en) * | 2011-05-12 | 2011-11-30 | 海尔集团公司 | Automatic liquid supply equipment and overhaul reminding method of the same |
| CN102261754B (en) * | 2011-05-12 | 2016-08-17 | 海尔集团公司 | A kind of automatic liquid supply equipment and automatic liquid supply overhaul of the equipments based reminding method |
| CN102635960A (en) * | 2012-05-11 | 2012-08-15 | 江苏富源节能电器有限公司 | Automatic alarm device for leakage of water tank |
| CN103090559A (en) * | 2013-02-01 | 2013-05-08 | 河南农业大学 | Solar water heating system and detecting device and monitoring method for valve explosion thereof |
| CN103090559B (en) * | 2013-02-01 | 2014-09-24 | 河南农业大学 | Solar water heating system and detecting device and monitoring method for valve explosion thereof |
| CN103267157A (en) * | 2013-04-26 | 2013-08-28 | 湖南科技大学 | Automatic fluid stopping device |
| CN103673354A (en) * | 2014-01-02 | 2014-03-26 | 江苏富源节能电器有限公司 | Automatic leakage warning device of solar water heating system |
| CN105865051B (en) * | 2016-04-05 | 2017-03-22 | 上海理工大学 | Solar thermal collector capable of detecting leakage |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20130305 |