CN204665690U - A kind of source pump stoppage protection system - Google Patents
A kind of source pump stoppage protection system Download PDFInfo
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- CN204665690U CN204665690U CN201520270224.4U CN201520270224U CN204665690U CN 204665690 U CN204665690 U CN 204665690U CN 201520270224 U CN201520270224 U CN 201520270224U CN 204665690 U CN204665690 U CN 204665690U
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- compressor
- electrical heating
- relay
- temperature controller
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Abstract
The utility model discloses a kind of source pump stoppage protection system; comprise into water temperature-sensitive head, environment temperature-sensitive head, the first temperature controller, the second temperature controller, electric heater, compressor, electrical heating A.C. contactor and compressor A.C. contactor; described water inlet temperature-sensitive head is connected with electrical heating A.C. contactor by the first temperature controller; described electrical heating A.C. contactor is connected with electric heater and relay respectively; described environment temperature-sensitive head is connected with relay by the second temperature controller, and described relay is connected with compressor by compressor A.C. contactor.The utility model can control startup and the closedown of electric heater and compressor according to actual temperature situation, while ensure that the use coolant-temperature gage of user, effectively can shorten the opening time of electric heater, decrease the loss of energy, and the on-off times of electric heater and control electrical heating A.C. contactor can be reduced, be conducive to extending its service life.The utility model can be widely used in source pump.
Description
Technical field
The utility model relates to heat pump field, particularly relates to a kind of source pump stoppage protection system.
Background technology
Traditional heat pump is not shut down in the presence of a harsh environment and is continued to run, or directly stoppage protection is carried out in shutdown, there is following problem like this:
If unit continues to run: because refrigerant evaporation is incomplete, still there is liquid refrigerants, compressor will be caused to return liquid in muffler, larger to the infringement of compressor; But also compressor return air can be caused not enough, units consumption increases, and heating capacity reduces, and hot water temperature does not reach the demand of user.
If but unit is directly shut down and carried out stoppage protection, unit is in idle state, cannot meet user to hot water demand.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide a kind of energy available protecting source pump, and a kind of source pump stoppage protection system that can meet consumers' demand.
The technical scheme that the utility model adopts is:
A kind of source pump stoppage protection system; comprise into water temperature-sensitive head, environment temperature-sensitive head, the first temperature controller, the second temperature controller, electric heater, compressor, electrical heating A.C. contactor and compressor A.C. contactor; described water inlet temperature-sensitive head is connected with electrical heating A.C. contactor by the first temperature controller; described electrical heating A.C. contactor is connected with electric heater and relay respectively; described environment temperature-sensitive head is connected with relay by the second temperature controller, and described relay is connected with compressor by compressor A.C. contactor.
As further improvement of the utility model, described relay comprises relay coil, relay normally-closed contact and relay normally open contact, described electrical heating A.C. contactor comprises electrical heating ac contactor coil and electrical heating A.C. contactor normally opened contact, described compressor A.C. contactor comprises compressor ac contactor coil and compressor A.C. contactor normally opened contact, described first temperature controller is successively by relay normally open contact and electrical heating ac contactor coil and then be connected to power end, described second temperature controller is connected to power end by relay coil, described compressor ac contactor coil is connected to power end by relay normally-closed contact, described compressor is connected to power end by compressor A.C. contactor normally opened contact, described electric heater is connected to power end by electrical heating A.C. contactor normally opened contact.
As further improvement of the utility model, between described relay normally-closed contact and power end, be also in series with low tension switch and high-voltage switch gear.
As further improvement of the utility model, described first temperature controller and the second temperature controller are single-point temperature controller.
The beneficial effects of the utility model are:
A kind of source pump stoppage protection of the utility model system can control startup and the closedown of electric heater and compressor by the first temperature controller and the second temperature controller according to actual temperature situation; while ensure that the use coolant-temperature gage of user; effectively can shorten the opening time of electric heater; decrease the loss of energy; and the on-off times of electric heater and control electrical heating A.C. contactor can be reduced, be conducive to extending its service life.The utility model replaces compressor by electric heater regardless of energy level in the presence of a harsh environment; compressor can be protected not damaged; be conducive to the service life extending unit; and source pump can be combined with electric heater; take full advantage of source pump and electrically heated advantage, fully can meet the hot water demand of user under adverse circumstances.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further:
Fig. 1 is the functional-block diagram of a kind of source pump stoppage protection of the utility model system;
Fig. 2 is the circuit theory diagrams of a kind of source pump stoppage protection of the utility model system.
Detailed description of the invention
With reference to figure 1; a kind of source pump stoppage protection of the utility model system; comprise into water temperature-sensitive head, environment temperature-sensitive head, the first temperature controller, the second temperature controller, electric heater, compressor, electrical heating A.C. contactor and compressor A.C. contactor; described water inlet temperature-sensitive head is connected with electrical heating A.C. contactor by the first temperature controller; described electrical heating A.C. contactor is connected with electric heater and relay respectively; described environment temperature-sensitive head is connected with relay by the second temperature controller, and described relay is connected with compressor by compressor A.C. contactor.
With reference to figure 2, be further used as preferred embodiment, described relay comprises relay coil K1, relay normally-closed contact K1NC and relay normally open contact K1NO, described electrical heating A.C. contactor comprises electrical heating ac contactor coil KM1 and electrical heating A.C. contactor normally opened contact KM1NO, described compressor A.C. contactor comprises compressor ac contactor coil KM2 and compressor A.C. contactor normally opened contact KM2NO, described first temperature controller is successively by relay normally open contact K1NO and electrical heating ac contactor coil KM1 and then be connected to power end, described second temperature controller is connected to power end by relay coil K1, described compressor ac contactor coil KM2 is connected to power end by relay normally-closed contact K1NC, described compressor is connected to power end by compressor A.C. contactor normally opened contact KM2NO, described electric heater is connected to power end by electrical heating A.C. contactor normally opened contact KM1NO.
Be further used as preferred embodiment, between described relay normally-closed contact K1NC and power end, be also in series with low tension switch and high-voltage switch gear.
Be further used as preferred embodiment, described first temperature controller and the second temperature controller are single-point temperature controller.
In specific embodiment of the utility model, environment temperature-sensitive head is arranged on the top of finned heat exchanger in source pump, electric heater is arranged in the water inlet pipe of condenser.
When environment temperature be less than the heat pump set in the second temperature controller quit work environment temperature time, second temperature controller sends signal, relay coil K1 conducting, relay normally open contact K1NO closes, relay normally-closed contact K1NC disconnects, compressor ac contactor coil KM2 power-off, compressor A.C. contactor normally opened contact KM2NO disconnects, compressor cuts out, simultaneously, return difference temperature is set in inflow temperature temperature controller, when detecting that inflow temperature is less than the difference of unlatching electrical heating return difference temperature set in the target temperature of user's setting and the first temperature controller, first temperature controller sends signal, electrical heating ac contactor coil KM1 conducting, electrical heating A.C. contactor normally opened contact KM1NO closes, electric heater startup work.Carry out stoppage protection to compressor like this, electric heater replaces compressor operating regardless of energy level.Wherein, a system is an energy level, and electric heater is an energy level, and electric heater replaces compressor regardless of energy level, and no matter unit has how many systems in other words, and close, an opening electric heater replaces the operation of unit, for user provides hot water all simultaneously.
When inflow temperature be greater than the constant temperature that sets in the target temperature of user's setting and the first temperature controller have a power failure heat return difference temperature and time, first temperature controller sends signal, electrical heating ac contactor coil KM1 disconnects, and electrical heating A.C. contactor normally opened contact KM1NO disconnects, and electric heater quits work.Setting return difference temperature is that the action in order to make electric heater open and close is so not frequent, be conducive to the service life extending electric heater and control electrically heated A.C. contactor, control electrically heated start and stop by inflow temperature to be conducive to reducing electrically heated energy consumption, and can ensure that effluent temperature constancy is in the scope of user's request.
When detect environment temperature be greater than the heat pump set in environment temperature temperature controller quit work environment temperature time, relay coil K1 power-off, relay normally-closed contact K1NC closes, and relay normally open contact K1NO disconnects, compressor ac contactor coil KM2 conducting, electrical heating ac contactor coil KM1 disconnects, electrical heating A.C. contactor normally opened contact KM1NO disconnects, and electric heater cuts out, and compressor A.C. contactor normally opened contact KM2NO closes, compressor is opened, and unit recovers normal and runs.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (4)
1. a source pump stoppage protection system; it is characterized in that: comprise into water temperature-sensitive head, environment temperature-sensitive head, the first temperature controller, the second temperature controller, electric heater, compressor, electrical heating A.C. contactor and compressor A.C. contactor; described water inlet temperature-sensitive head is connected with electrical heating A.C. contactor by the first temperature controller; described electrical heating A.C. contactor is connected with electric heater and relay respectively; described environment temperature-sensitive head is connected with relay by the second temperature controller, and described relay is connected with compressor by compressor A.C. contactor.
2. a kind of source pump stoppage protection system according to claim 1, it is characterized in that: described relay comprises relay coil (K1), relay normally-closed contact (K1NC) and relay normally open contact (K1NO), described electrical heating A.C. contactor comprises electrical heating ac contactor coil (KM1) and electrical heating A.C. contactor normally opened contact (KM1NO), described compressor A.C. contactor comprises compressor ac contactor coil (KM2) and compressor A.C. contactor normally opened contact (KM2NO), described first temperature controller is successively by relay normally open contact (K1NO) and electrical heating ac contactor coil (KM1) and then be connected to power end, described second temperature controller is connected to power end by relay coil (K1), described compressor ac contactor coil (KM2) is connected to power end by relay normally-closed contact (K1NC), described compressor is connected to power end by compressor A.C. contactor normally opened contact (KM2NO), described electric heater is connected to power end by electrical heating A.C. contactor normally opened contact (KM1NO).
3. a kind of source pump stoppage protection system according to claim 2, is characterized in that: be also in series with low tension switch and high-voltage switch gear between described relay normally-closed contact (K1NC) and power end.
4. a kind of source pump stoppage protection system according to claim 1, is characterized in that: described first temperature controller and the second temperature controller are single-point temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270224.4U CN204665690U (en) | 2015-04-29 | 2015-04-29 | A kind of source pump stoppage protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520270224.4U CN204665690U (en) | 2015-04-29 | 2015-04-29 | A kind of source pump stoppage protection system |
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| Publication Number | Publication Date |
|---|---|
| CN204665690U true CN204665690U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520270224.4U Active CN204665690U (en) | 2015-04-29 | 2015-04-29 | A kind of source pump stoppage protection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106803299A (en) * | 2017-03-14 | 2017-06-06 | 广州创想科技股份有限公司 | Environment self-adaption control of bluetooth access control device and method |
| CN107883624A (en) * | 2017-10-19 | 2018-04-06 | 广东芬尼克兹节能设备有限公司 | A kind of source pump stoppage protection control method |
| CN110595126A (en) * | 2019-09-24 | 2019-12-20 | 深圳市辉宏技术有限公司 | Heat pump set with function of internet of things and control circuit thereof |
-
2015
- 2015-04-29 CN CN201520270224.4U patent/CN204665690U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106803299A (en) * | 2017-03-14 | 2017-06-06 | 广州创想科技股份有限公司 | Environment self-adaption control of bluetooth access control device and method |
| CN107883624A (en) * | 2017-10-19 | 2018-04-06 | 广东芬尼克兹节能设备有限公司 | A kind of source pump stoppage protection control method |
| CN107883624B (en) * | 2017-10-19 | 2020-10-30 | 广东芬尼克兹节能设备有限公司 | Shutdown protection control method for heat pump unit |
| CN110595126A (en) * | 2019-09-24 | 2019-12-20 | 深圳市辉宏技术有限公司 | Heat pump set with function of internet of things and control circuit thereof |
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