CN204787471U - Automatic detect heat pump system of heat exchanger condition of frosting - Google Patents
Automatic detect heat pump system of heat exchanger condition of frosting Download PDFInfo
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- CN204787471U CN204787471U CN201520461062.2U CN201520461062U CN204787471U CN 204787471 U CN204787471 U CN 204787471U CN 201520461062 U CN201520461062 U CN 201520461062U CN 204787471 U CN204787471 U CN 204787471U
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Abstract
The utility model relates to an automatic detect heat pump system of heat exchanger condition of frosting, including time relay, controller, with controller electric connection's heat pump set, be located two at least temperature sensor of the different positions of heat exchanger, the controller is equipped with the temperature -sensitive head interface, temperature -sensitive head interface and time relay electric connection, every temperature sensor equally divide the distinction and time relay electric connection. The temperature conditions of temperature sensor determine heat exchanger, the time relay wheel follows and detects a temperature sensor, and time relay sends temperature sensor's state of temperature to the controller, and when arbitrary one temperature sensor reached the defrosting temperature spot, controller drive heat pump set got into defrosting work, reaching and withdrawing from the defrosting during temperature spot when detecting temperature sensor, heat pump set withdraws from defrosting work, makes that heat pump set is accurate to get into or withdraw from the defrosting, reduces the energy consumption of unit. And the different positions of heat exchanger set up temperature sensor, and it is more accurate to the measuring of the heat exchanger circumstances of frosting to make.
Description
Technical field
The utility model relates to heat exchanger Defrost technology field, particularly relates to a kind of heat pump of automatic detection heat exchanger frosting situation.
Background technology
Traditional heat pump detects its frosting situation by the single temperature sensor of exchanger base, judge whether to want heat exchanger to defrost, but when heat exchanger is larger, there are the following problems: heat exchanger causes frosting uneven because of separatory inequality, single temperature sensor can only detect the frosting situation of heat exchanger local, the frosting situation of heat exchanger can not be detected exactly, cause heat pump not enter exactly or to exit defrosting, increase energy ezpenditure; Detect according to multiple temperature sensor heat exchanger frosting situation, controller only has a temperature-sensitive head interface, and adopts the mode of serial or parallel connection to carry out detecting the accuracy that also can affect detection between temperature sensor.
Utility model content
The purpose of this utility model is the heat pump providing a kind of automatic detection heat exchanger frosting situation, accurately can detect the frosting situation of heat exchanger, make source pump accurately enter or exit defrosting, reduces energy loss.
For realizing the purpose of this utility model, the technical scheme taked is:
A kind of heat pump of automatic detection heat exchanger frosting situation, comprise the time relay, controller, the source pump be electrically connected with controller, at least two temperature sensors being positioned at heat exchanger diverse location, controller is provided with temperature-sensitive head interface, temperature-sensitive head interface and the time relay are electrically connected, and each temperature sensor is electrically connected with the time relay respectively.
Temperature sensor detects the temperature conditions of heat exchanger, time relay repeating query within the time of setting detects a temperature sensor, state of temperature is passed to the time relay by temperature sensor, the state of temperature of temperature sensor is sent to controller by the time relay again, when there being any one temperature sensor to reach defrosting temperature spot, controller drives source pump to enter defrosting work; When detect temperature sensor reach exit defrosting temperature spot time, source pump exits defrosting work, makes source pump accurately enter or exit defrosting, reduces the energy ezpenditure of unit.And heat exchanger diverse location set temperature sensor, make the detection of heat exchanger frosting situation more accurate.
Below technical scheme is further illustrated:
Further, the heat pump automatically detecting heat exchanger frosting situation comprises two temperature sensors, and the time relay is provided with first interface and the second interface, and two temperature sensors are electrically connected with first interface and the second interface respectively.The time relay carries out repeating query by different interfaces to different temperature sensors, ensures the accuracy detected.
Further, one of them temperature sensor is positioned at the bottom of heat exchanger, and another one temperature sensor is positioned at the middle part of heat exchanger.The temperature of temperature sensor heat exchanger diverse location detects, and makes the detection of heat exchanger frosting situation more accurate.
Be further, the heat pump of automatic detection heat exchanger frosting situation comprises three temperature sensors, the time relay comprises very first time relay and second time relay, very first time relay is provided with first interface and the second interface, second time relay is provided with the 3rd interface and the 4th interface, second time relay and first interface are electrically connected, one of them temperature sensor and the second interface are electrically connected, and two other temperature sensor is electrically connected with the 3rd interface and the 4th interface respectively.Very first time relay carries out repeating query to second time relay on first interface and the temperature sensor on the second interface, very first time relay carries out repeating query by second time relay to the temperature sensor on the 3rd interface and the 4th interface, ensures the accuracy detected.
Further, one of them temperature sensor is positioned at the bottom of heat exchanger, and second temperature sensor is positioned at the middle part of heat exchanger, and the 3rd temperature sensor is positioned at the top of heat exchanger.The temperature of temperature sensor heat exchanger diverse location detects, and makes the detection of heat exchanger frosting situation more accurate.
Compared with prior art, the utility model has following beneficial effect:
The utility model detects the temperature conditions of heat exchanger by temperature sensor, time relay repeating query within the time of setting detects a temperature sensor, state of temperature is passed to the time relay by temperature sensor, the state of temperature of temperature sensor is sent to controller by the time relay again, when there being any one temperature sensor to reach defrosting temperature spot, controller drives source pump to enter defrosting work; When detect temperature sensor reach exit defrosting temperature spot time, source pump exits defrosting work, makes source pump accurately enter or exit defrosting, reduces the energy ezpenditure of unit.And heat exchanger diverse location set temperature sensor, make the detection of heat exchanger frosting situation more accurate.
Accompanying drawing explanation
Fig. 1 is the control principle drawing that the utility model first embodiment detects the heat pump of heat exchanger frosting situation automatically;
Fig. 2 is the control principle drawing that the utility model second embodiment detects the heat pump of heat exchanger frosting situation automatically.
Description of reference numerals:
20. time relays, 201. very first time relays, 202. second time relays, 210. first interfaces, 220. second interfaces, 230. the 3rd interfaces, 240. the 4th interfaces, 30. controllers, 310. temperature-sensitive head interfaces, 40. temperature sensors.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
As depicted in figs. 1 and 2, a kind of heat pump heat exchanger of automatic detection heat exchanger frosting situation, comprise the time relay 20, controller 30, the source pump (accompanying drawing does not identify) be electrically connected with controller 30, at least two temperature sensors 40 of being positioned at heat exchanger diverse location, controller 30 is provided with temperature-sensitive head interface 310, temperature-sensitive head interface 310 and the time relay 20 are electrically connected, and each temperature sensor 40 is electrically connected with the time relay 20 respectively.
Temperature sensor 40 detects the temperature conditions of heat exchanger, the time relay 20 repeating query within the time of setting detects a temperature sensor 40, state of temperature is passed to the time relay 20 by temperature sensor 40, the state of temperature of temperature sensor 40 is sent to controller 30 by the time relay 20 again, when there being any one temperature sensor 40 to reach defrosting temperature spot, controller 30 drives source pump to enter defrosting work; When detect temperature sensor 40 reach exit defrosting temperature spot time, source pump exits defrosting work, makes source pump accurately enter or exit defrosting, reduces the energy ezpenditure of unit.And heat exchanger diverse location set temperature sensor 40, make the detection of heat exchanger frosting situation more accurate.
In the present embodiment, the every 300ms of controller 30 reads the state of a temperature-sensitive head interface 310, the time relay 20 arranges every 10s repeating query and detects a temperature sensor 40, its state of temperature is passed to the time relay 20 by temperature sensor 40, the state of temperature of temperature sensor 40 is delivered to the temperature-sensitive head interface 310 of controller 30 by the time relay 20 again, if controller 30 reads the state temperature <-7 DEG C of temperature-sensitive head interface 310, or source pump startup timing reaches defrosting cycle, then controller 30 controls source pump and enters defrosting; If the temperature > 13 DEG C of a temperature sensor 40 detected, or the defrosting time of setting arrives, then controller 30 controls source pump and exits defrosting.
As shown in Figure 1, the heat pump heat exchanger of automatic detection heat exchanger frosting situation comprises two temperature sensors 40, the time relay 20 is provided with first interface 210 and the second interface 220, two temperature sensors 40 are electrically connected with first interface 210 and the second interface 220 respectively.The time relay 20 carries out repeating query by different interfaces to different temperature sensors 40, ensures the accuracy detected.
One of them temperature sensor 40 is positioned at heat exchanger side by the heat exchange copper tube of bottom, and another one temperature sensor 40 is positioned at heat exchanger side by the heat exchange copper tube at middle part.The temperature of temperature sensor 40 heat exchanger diverse location detects, and makes the detection of heat exchanger frosting situation more accurate.
With above-described embodiment unlike, as shown in Figure 2, in the present embodiment, the heat pump of automatic detection heat exchanger frosting situation comprises three temperature sensors 40, the time relay 20 comprises very first time relay 201 and second time relay 202, very first time relay 201 is provided with first interface 210 and the second interface 220, second time relay 202 is provided with the 3rd interface 230 and the 4th interface 240, second time relay 202 is electrically connected with first interface 210, one of them temperature sensor 40 and the second interface 220 are electrically connected, two other temperature sensor 40 is electrically connected with the 3rd interface 230 and the 4th interface 240 respectively.Second time relay 202 on very first time relay 201 pairs of first interfaces 210 and the temperature sensor 40 on the second interface 220 carry out repeating query, very first time relay 201 carries out repeating query by second time relay 202 to the temperature sensor 40 on the 3rd interface 230 and the 4th interface 240, ensures the accuracy detected.
One of them temperature sensor 40 is positioned at heat exchanger side by the heat exchange copper tube of bottom, and second temperature sensor 40 is positioned at heat exchanger side by the heat exchange copper tube at middle part, and the 3rd temperature sensor 40 is positioned at heat exchanger side by the heat exchange copper tube at top.The temperature of temperature sensor 40 heat exchanger diverse location detects, and makes the detection of heat exchanger frosting situation more accurate.
The utility model detects the frosting situation of heat exchanger by temperature sensor 40, the time relay 20 repeating query within the time of setting detects a temperature sensor 40, state of temperature is passed to the time relay 20 by temperature sensor 40, the state of temperature of temperature sensor 40 is sent to controller 30 by the time relay 20 again, when there being any one temperature sensor 40 to reach defrosting temperature spot, controller 30 drives source pump to enter defrosting work; When detect temperature sensor 40 reach exit defrosting temperature spot time, source pump exits defrosting work, makes source pump accurately enter or exit defrosting, reduces the energy ezpenditure of unit.And heat exchanger diverse location set temperature sensor 40, make the detection of heat exchanger frosting situation more accurate.
The all possible combination of each technical characteristic in above-described embodiment is all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this description is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (5)
1. one kind is detected the heat pump of heat exchanger frosting situation automatically, it is characterized in that, comprise the time relay, controller, the source pump be electrically connected with described controller, at least two temperature sensors being positioned at heat exchanger diverse location, described controller is provided with temperature-sensitive head interface, described temperature-sensitive head interface and the described time relay are electrically connected, and each described temperature sensor is electrically connected with the described time relay respectively.
2. the heat pump of automatic detection heat exchanger frosting situation according to claim 1, it is characterized in that, comprise two temperature sensors, the described time relay is provided with first interface and the second interface, and two described temperature sensors are electrically connected with described first interface and described second interface respectively.
3. the heat pump of automatic detection heat exchanger frosting situation according to claim 2, it is characterized in that, temperature sensor described in one of them is positioned at the bottom of heat exchanger, and temperature sensor described in another one is positioned at the middle part of heat exchanger.
4. the heat pump of automatic detection heat exchanger frosting situation according to claim 1, it is characterized in that, comprise three temperature sensors, the described time relay comprises very first time relay and second time relay, described very first time relay is provided with first interface and the second interface, described second time relay is provided with the 3rd interface and the 4th interface, described second time relay and described first interface are electrically connected, temperature sensor described in one of them and described second interface are electrically connected, temperature sensor described in two other is electrically connected with described 3rd interface and described 4th interface respectively.
5. the heat pump of automatic detection heat exchanger frosting situation according to claim 4, it is characterized in that, temperature sensor described in one of them is positioned at the bottom of heat exchanger, and second described temperature sensor is positioned at the middle part of heat exchanger, and the 3rd described temperature sensor is positioned at the top of heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461062.2U CN204787471U (en) | 2015-06-29 | 2015-06-29 | Automatic detect heat pump system of heat exchanger condition of frosting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520461062.2U CN204787471U (en) | 2015-06-29 | 2015-06-29 | Automatic detect heat pump system of heat exchanger condition of frosting |
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| CN204787471U true CN204787471U (en) | 2015-11-18 |
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| CN201520461062.2U Active CN204787471U (en) | 2015-06-29 | 2015-06-29 | Automatic detect heat pump system of heat exchanger condition of frosting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371433A (en) * | 2015-11-27 | 2016-03-02 | 广东美的制冷设备有限公司 | Control method and device for air conditioner and air conditioner |
| CN106440604A (en) * | 2016-09-20 | 2017-02-22 | 合肥华凌股份有限公司 | Defrosting assembly and refrigerator |
| CN110195955A (en) * | 2019-07-08 | 2019-09-03 | 银川伊百盛生物工程有限公司 | Freezer with automatic defrosting system |
| CN111964317A (en) * | 2020-08-17 | 2020-11-20 | 广东芬尼克兹节能设备有限公司 | Heat pump defrosting control method and device, heat pump system and storage medium |
-
2015
- 2015-06-29 CN CN201520461062.2U patent/CN204787471U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371433A (en) * | 2015-11-27 | 2016-03-02 | 广东美的制冷设备有限公司 | Control method and device for air conditioner and air conditioner |
| CN106440604A (en) * | 2016-09-20 | 2017-02-22 | 合肥华凌股份有限公司 | Defrosting assembly and refrigerator |
| CN110195955A (en) * | 2019-07-08 | 2019-09-03 | 银川伊百盛生物工程有限公司 | Freezer with automatic defrosting system |
| CN111964317A (en) * | 2020-08-17 | 2020-11-20 | 广东芬尼克兹节能设备有限公司 | Heat pump defrosting control method and device, heat pump system and storage medium |
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