CN203629054U - Control circuit and control system of heat pump water heater - Google Patents
Control circuit and control system of heat pump water heater Download PDFInfo
- Publication number
- CN203629054U CN203629054U CN201320875424.3U CN201320875424U CN203629054U CN 203629054 U CN203629054 U CN 203629054U CN 201320875424 U CN201320875424 U CN 201320875424U CN 203629054 U CN203629054 U CN 203629054U
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- Prior art keywords
- auxiliary reclay
- control circuit
- water
- heat pump
- branch road
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Abstract
The utility model provides a control circuit of a heat pump water heater. The control circuit comprises a water pump control circuit, a compressor control circuit, a detection circuit and an alarming circuit, a water pump is controlled to start when a first start button is judged to conform to a first preset state, a compressor is controlled to start when a second start button is judged to conform to a second preset state, and alarming is performed when the water pump or the compressor is detected to break down. As can be seen, according to the control circuit of the heat pump water heater, a microprogrammed control unit (MCU) control chip is not used, meanwhile, functions of controlling and protecting the water pump water heater are achieved, and problems that MCU control chips in control systems of electric pump water heaters in the prior art produce electromagnetic interference are avoided.
Description
Technical field
The utility model relates to Electromechanical Control technical field, in particular, relates to a kind of control circuit and control system of heat pump water-heating machine.
Background technology
At present, the control system of electric pump hot water machine normally realizes by the control panel with MCU control chip.And realize detection to electric pump hot water machine, control and protect in conjunction with devices such as the temperature sensor of this control panel outside, pressure sensor, relays.
But inventor's discovery, the Switching Power Supply on this control panel or the frequency of other power-switching circuits are conventionally higher, easily produce electromagnetic interference, especially particularly evident in the higher military project place of EMC Requirements.Except this, MCU control chip is easily subject to the impact of external environment, as: electromagnetic interference, temperature, humidity etc., thus cause the reliability of electric pump hot water machine to reduce.
Utility model content
In view of this, the utility model provides a kind of control circuit and control system of heat pump water-heating machine, easily produces the problem of electromagnetic interference to overcome MCU control chip in the control system of electric pump hot water machine of prior art.
For achieving the above object, the utility model provides following technical scheme:
A control circuit for heat pump water-heating machine, comprising: water pump control circuit, compressor Control Cprant, testing circuit and warning circuit, and described water pump control circuit comprises the first start button, described compressor Control Cprant comprises the second start button;
Described water pump control circuit, in the time judging that described the first start button meets the first preset state, is controlled starting mode of pump;
Described compressor Control Cprant, in the time judging that described the second start button meets the second preset state, is controlled compressor start;
Described warning circuit is connected with described testing circuit, when detecting that at described testing circuit described water pump or described compressor break down, reports to the police.
Preferably, described water pump control circuit comprises: the first start button, the first auxiliary reclay and the first stop button;
Described the first start button is in parallel with the normal open switch of described the first auxiliary reclay, and the branch road after parallel connection is connected in series mutually with coil and described first stop button of described the first auxiliary reclay, and the branch road after serial connection is arranged between external live wire and zero line, and the normally closed switch of described the first auxiliary reclay is serially connected between described external live wire and described water pump.
Preferably, described compressor Control Cprant comprises: the second start button, the second auxiliary reclay and the second stop button;
Described the second start button is in parallel with the normal open switch of described the second auxiliary reclay, and the branch road after parallel connection is connected in series mutually with coil and described second stop button of described the second auxiliary reclay, and the branch road after serial connection is arranged between external live wire and zero line, and the normally closed switch of described the second auxiliary reclay is serially connected between described external live wire and described compressor.
Preferably, described testing circuit comprises: high-voltage switch gear, low tension switch and evaporator water temperature controller;
The first end of described evaporator water temperature controller and the second end are all serially connected on the branch road of described the first start button, described the first relay and the formation of the first stop button, the 3rd end of described evaporator water temperature controller is connected with the 3rd end of described high-voltage switch gear and the 3rd end of described low tension switch respectively, and first end, second end of first end, the second end and the described low tension switch of described high-voltage switch gear is all serially connected on the branch road of described the second start button, described the second relay and the formation of the second stop button.
Preferably, described warning circuit comprises: buzzer, indicator lamp, the 3rd auxiliary reclay and the 4th auxiliary reclay;
The normally closed switch of the normally closed switch of described the 3rd auxiliary reclay and described the 4th auxiliary reclay is all serially connected on the branch road that described high-voltage switch gear and described the second start button form;
Described buzzer is connected in series mutually with the normal open switch of described the 3rd auxiliary reclay, and serial connection after branch road be arranged between external live wire and zero line;
Another group of described the 3rd auxiliary reclay is got an electric shock and is serially connected in mutually between described external live wire and zero line with described indicator lamp;
The normal open switch of described the 4th auxiliary reclay is serially connected between described external live wire and zero line mutually with the coil of described the 4th auxiliary reclay, and the normal open switch of described the 4th auxiliary reclay is connected with one end of described indicator lamp with the public intersection point of the coil of described the 4th auxiliary reclay.
Preferably, also comprise muffling circuit, described muffling circuit comprises: mute button and the 5th auxiliary reclay;
The normally closed switch of described the 5th auxiliary reclay is serially connected on the branch road of normal open switch formation of described buzzer and described the 3rd auxiliary reclay;
Described mute button is in parallel with the normal open switch of described the 5th auxiliary reclay, and the branch road after parallel connection is connected in series mutually with the normal open switch of described the 3rd auxiliary reclay and the coil of described the 5th auxiliary reclay, and serial connection after branch road be arranged between external live wire and zero line.
Preferably, also comprise gsm module, for when the described buzzer warning, send alarming short message to default electronic equipment.
Preferably, also comprise:
Be serially connected between external live wire and zero line, in the time that water temperature to be detected exceeds preset temperature, control the Water in Water Tank temperature controller that described compressor or described water pump are shut down.
Preferably, also comprise:
Be arranged on the scram button between control circuit and the described external live wire of described heat pump water-heating machine.
A control system for heat pump water-heating machine, comprises the control circuit of the above-mentioned heat pump water-heating machine of any one.
Known via above-mentioned technical scheme, compared with prior art, the utility model provides a kind of control circuit of heat pump water-heating machine, comprise: water pump control circuit, compressor Control Cprant, testing circuit and warning circuit, in the time judging that described the first start button meets the first preset state, control starting mode of pump.In the time judging that described the second start button meets the second preset state, control compressor start.In the time detecting that described water pump or described compressor break down, report to the police.Visible; when the control circuit of the heat pump water-heating machine that the utility model provides does not adopt MCU control chip, realize control, defencive function to water pump hot water machine, avoided MCU control chip in the control system of electric pump hot water machine of prior art to produce the problem of electromagnetic interference.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The theory diagram of the control circuit of a kind of heat pump water-heating machine that Fig. 1 provides for the utility model embodiment;
The circuit diagram of the control circuit of a kind of heat pump water-heating machine that Fig. 2 provides for the utility model embodiment;
The schematic diagram of the control system of a kind of heat pump water-heating machine that Fig. 3 provides for the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to accompanying drawing 1, the theory diagram of the control circuit of a kind of heat pump water-heating machine providing for the utility model, comprising: water pump control circuit 101, compressor Control Cprant 102, testing circuit 103 and warning circuit 104.Wherein, described water pump control circuit comprises the first start button, and described compressor Control Cprant comprises the second start button.
Concrete, described water pump control circuit, in the time judging that described the first start button meets the first preset state, is controlled starting mode of pump.Described compressor Control Cprant, in the time judging that described the second start button meets the second preset state, is controlled compressor start.Described warning circuit is connected with described testing circuit, when detecting that at described testing circuit described water pump or described compressor break down, reports to the police.
Visible; when the control circuit of the heat pump water-heating machine that the utility model provides does not adopt MCU control chip, realize control, defencive function to water pump hot water machine, avoided MCU control chip in the control system of electric pump hot water machine of prior art to produce the problem of electromagnetic interference.
On the basis of the embodiment providing at above-mentioned the utility model,
Refer to Fig. 2, preferred, the present embodiment also provides the physical circuit form of each circuit, and wherein, described water pump control circuit comprises: the first start button K6, the first auxiliary reclay KA1 and the first stop button K2.
Its circuit connecting relation is:
Described the first start button is in parallel with the normal open switch of described the first auxiliary reclay, and the branch road after parallel connection is connected in series mutually with coil and described first stop button of described the first auxiliary reclay, and the branch road after serial connection is arranged between external live wire and zero line, and the normally closed switch of described the first auxiliary reclay is serially connected between described external live wire and described water pump.
Its operation principle is: system obtain electric after, press the first start button K6, starting mode of pump, in this enforcement in, water pump is respectively circulating pump and the sea water pump in Fig. 2.
Preferably, described compressor Control Cprant comprises: the second start button K4, the second auxiliary reclay KA3 and the second stop button K3.
Its circuit connecting relation is:
Described the second start button is in parallel with the normal open switch of described the second auxiliary reclay, and the branch road after parallel connection is connected in series mutually with coil and described second stop button of described the second auxiliary reclay, and the branch road after serial connection is arranged between external live wire and zero line, and the normally closed switch of described the second auxiliary reclay is serially connected between described external live wire and described compressor.
Its operation principle is: press the second start button K4, the coil KA3 energized action of the second auxiliary reclay, starts compressor.Here it should be noted that, in conjunction with above-mentioned water pump control circuit, if need to, starting a period of time after water pump, restart compressor, can realize by a time relay is set so, do not describe in detail at this.
Preferably, described testing circuit comprises: high-voltage switch gear HP1, low tension switch LP1 and evaporator water temperature controller.
Concrete circuit connecting relation is:
The first end of described evaporator water temperature controller and the second end are all serially connected on the branch road of described the first start button, described the first relay and the formation of the first stop button, the 3rd end of described evaporator water temperature controller is connected with the 3rd end of described high-voltage switch gear and the 3rd end of described low tension switch respectively, and first end, second end of first end, the second end and the described low tension switch of described high-voltage switch gear is all serially connected on the branch road of described the second start button, described the second relay and the formation of the second stop button.
Its operation principle is:
When high pressure or low pressure appear in system, or evaporator water too low, corresponding high-voltage switch gear, low tension switch, evaporator water temperature controller can move.When after high-voltage switch gear or low tension switch action, can cut off compressor; When evaporator water controller action, can cut off compressor and water pump simultaneously.
Preferably, described warning circuit comprises: buzzer HA, indicator lamp HL4, the 3rd auxiliary reclay KA7 and the 4th auxiliary reclay KA11.
Its circuit connecting relation is:
The normally closed switch of the normally closed switch of described the 3rd auxiliary reclay and described the 4th auxiliary reclay is all serially connected on the branch road that described high-voltage switch gear and described the second start button form;
Described buzzer is connected in series mutually with the normal open switch of described the 3rd auxiliary reclay, and serial connection after branch road be arranged between external live wire and zero line;
Another group of described the 3rd auxiliary reclay is got an electric shock and is serially connected in mutually between described external live wire and zero line with described indicator lamp;
The normal open switch of described the 4th auxiliary reclay is serially connected between described external live wire and zero line mutually with the coil of described the 4th auxiliary reclay, and the normal open switch of described the 4th auxiliary reclay is connected with one end of described indicator lamp with the public intersection point of the coil of described the 4th auxiliary reclay.
Its operation principle is: when after high-voltage switch gear or low tension switch action, when stopping compressor, meeting trigger alarm, realizes sound and light alarm.
Preferably, also comprise muffling circuit, described muffling circuit comprises: mute button K5 and the 5th auxiliary reclay KA10.
Concrete, the normally closed switch of described the 5th auxiliary reclay is serially connected on the branch road of normal open switch formation of described buzzer and described the 3rd auxiliary reclay.Described mute button is in parallel with the normal open switch of described the 5th auxiliary reclay, and the branch road after parallel connection is connected in series mutually with the normal open switch of described the 3rd auxiliary reclay and the coil of described the 5th auxiliary reclay, and serial connection after branch road be arranged between external live wire and zero line.
Its principle is: after sound and light alarm, staff can remove to check high-low pressure switch, water temperature regulater according to warning, if now do not want to hear the sound of alarm buzzer, can pass through mute button, audible alarm is cut off, but can not be turned off indicator lamp.Unless unit fault is got rid of rear and is pressed after SR, just indicator lamp can extinguish.
Preferably, also comprise gsm module, for when the described buzzer warning, send alarming short message to default electronic equipment.
Preferably, also comprise and being serially connected between external live wire and zero line, in the time that water temperature to be detected exceeds preset temperature, control the Water in Water Tank temperature controller that described compressor or described water pump are shut down.Except this, preferred, also comprise: be arranged on the scram button S3 between control circuit and the described external live wire of described heat pump water-heating machine.
Its operation principle is: when the temperature of water tank reaches after design temperature; by Water in Water Tank temperature controller; can realize unit autostop (if water temperature regulater is put on compressor control circuit; here also can realize and only cut off compressor; when water temperature can realize automatic startup compressor during lower than design temperature); if restart, need to press corresponding start button, start unit.Except this, unit is provided with scram button simultaneously, realizes the urgency of unit and stop in the situation that some are urgent.
Visible; when the control circuit of the heat pump water-heating machine that the utility model provides does not adopt MCU control chip, realize control, defencive function to water pump hot water machine, avoided MCU control chip in the control system of electric pump hot water machine of prior art to produce the problem of electromagnetic interference.
Except this, the present embodiment also provides a kind of control system of heat pump water-heating machine, as shown in Figure 3, comprises the control circuit of the above-mentioned heat pump water-heating machine of any one, its operation principle and referring to above-described embodiment.
In sum: the utility model provides a kind of control circuit of heat pump water-heating machine, comprise: water pump control circuit, compressor Control Cprant, testing circuit and warning circuit, in the time judging that described the first start button meets the first preset state, control starting mode of pump.In the time judging that described the second start button meets the second preset state, control compressor start.In the time detecting that described water pump or described compressor break down, report to the police.Visible; the control circuit of the heat pump water-heating machine that the utility model provides does not adopt MCU control chip; only adopt relay, switch and checkout gear; realize control, defencive function to water pump hot water machine, avoided MCU control chip in the control system of electric pump hot water machine of prior art to produce the problem of electromagnetic interference.And the power supply of this control circuit, directly from electrical network power taking, does not need the electricity of electrical network to change.And can adapt to the military project place that EMC Requirements is very high, more easily be applicable to relatively adverse circumstances of environment, performance is more reliable and more stable.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of provided embodiment, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle provided in this article and features of novelty.
Claims (10)
1. the control circuit of a heat pump water-heating machine, it is characterized in that, comprise: water pump control circuit, compressor Control Cprant, testing circuit and warning circuit, described water pump control circuit comprises the first start button, described compressor Control Cprant comprises the second start button;
Described water pump control circuit, in the time judging that described the first start button meets the first preset state, is controlled starting mode of pump;
Described compressor Control Cprant, in the time judging that described the second start button meets the second preset state, is controlled compressor start;
Described warning circuit is connected with described testing circuit, when detecting that at described testing circuit described water pump or described compressor break down, reports to the police.
2. the control circuit of heat pump water-heating machine according to claim 1, is characterized in that, described water pump control circuit comprises: the first start button, the first auxiliary reclay and the first stop button;
Described the first start button is in parallel with the normal open switch of described the first auxiliary reclay, and the branch road after parallel connection is connected in series mutually with coil and described first stop button of described the first auxiliary reclay, and the branch road after serial connection is arranged between external live wire and zero line, and the normally closed switch of described the first auxiliary reclay is serially connected between described external live wire and described water pump.
3. the control circuit of heat pump water-heating machine according to claim 2, is characterized in that, described compressor Control Cprant comprises: the second start button, the second auxiliary reclay and the second stop button;
Described the second start button is in parallel with the normal open switch of described the second auxiliary reclay, and the branch road after parallel connection is connected in series mutually with coil and described second stop button of described the second auxiliary reclay, and the branch road after serial connection is arranged between external live wire and zero line, and the normally closed switch of described the second auxiliary reclay is serially connected between described external live wire and described compressor.
4. the control circuit of heat pump water-heating machine according to claim 3, is characterized in that, described testing circuit comprises: high-voltage switch gear, low tension switch and evaporator water temperature controller;
The first end of described evaporator water temperature controller and the second end are all serially connected on the branch road of described the first start button, described the first relay and the formation of the first stop button, the 3rd end of described evaporator water temperature controller is connected with the 3rd end of described high-voltage switch gear and the 3rd end of described low tension switch respectively, and first end, second end of first end, the second end and the described low tension switch of described high-voltage switch gear is all serially connected on the branch road of described the second start button, described the second relay and the formation of the second stop button.
5. the control circuit of heat pump water-heating machine according to claim 4, is characterized in that, described warning circuit comprises: buzzer, indicator lamp, the 3rd auxiliary reclay and the 4th auxiliary reclay;
The normally closed switch of the normally closed switch of described the 3rd auxiliary reclay and described the 4th auxiliary reclay is all serially connected on the branch road that described high-voltage switch gear and described the second start button form;
Described buzzer is connected in series mutually with the normal open switch of described the 3rd auxiliary reclay, and serial connection after branch road be arranged between external live wire and zero line;
Another group of described the 3rd auxiliary reclay is got an electric shock and is serially connected in mutually between described external live wire and zero line with described indicator lamp;
The normal open switch of described the 4th auxiliary reclay is serially connected between described external live wire and zero line mutually with the coil of described the 4th auxiliary reclay, and the normal open switch of described the 4th auxiliary reclay is connected with one end of described indicator lamp with the public intersection point of the coil of described the 4th auxiliary reclay.
6. the control circuit of heat pump water-heating machine according to claim 5, is characterized in that, also comprises muffling circuit, and described muffling circuit comprises: mute button and the 5th auxiliary reclay;
The normally closed switch of described the 5th auxiliary reclay is serially connected on the branch road of normal open switch formation of described buzzer and described the 3rd auxiliary reclay;
Described mute button is in parallel with the normal open switch of described the 5th auxiliary reclay, and the branch road after parallel connection is connected in series mutually with the normal open switch of described the 3rd auxiliary reclay and the coil of described the 5th auxiliary reclay, and serial connection after branch road be arranged between external live wire and zero line.
7. the control circuit of heat pump water-heating machine according to claim 6, is characterized in that, also comprises gsm module, for when the described buzzer warning, sends alarming short message to default electronic equipment.
8. the control circuit of heat pump water-heating machine according to claim 7, is characterized in that, also comprises:
Be serially connected between external live wire and zero line, in the time that water temperature to be detected exceeds preset temperature, control the Water in Water Tank temperature controller that described compressor or described water pump are shut down.
9. the control circuit of heat pump water-heating machine according to claim 8, is characterized in that, also comprises:
Be arranged on the scram button between control circuit and the described external live wire of described heat pump water-heating machine.
10. a control system for heat pump water-heating machine, is characterized in that, comprises the control circuit of the heat pump water-heating machine of any one as described in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875424.3U CN203629054U (en) | 2013-12-26 | 2013-12-26 | Control circuit and control system of heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875424.3U CN203629054U (en) | 2013-12-26 | 2013-12-26 | Control circuit and control system of heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629054U true CN203629054U (en) | 2014-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320875424.3U Withdrawn - After Issue CN203629054U (en) | 2013-12-26 | 2013-12-26 | Control circuit and control system of heat pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203629054U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266316A (en) * | 2014-10-24 | 2015-01-07 | 中国扬子集团滁州扬子空调器有限公司 | Heat recovery control circuit for air conditioner |
| CN104748391A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Control circuit of heat pump water heater and control system |
| CN114963568A (en) * | 2022-05-27 | 2022-08-30 | 深圳市金宝五金塑胶有限公司 | Transposition dormancy control circuit of water heater |
-
2013
- 2013-12-26 CN CN201320875424.3U patent/CN203629054U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748391A (en) * | 2013-12-26 | 2015-07-01 | 珠海格力电器股份有限公司 | Control circuit of heat pump water heater and control system |
| CN104748391B (en) * | 2013-12-26 | 2017-08-04 | 珠海格力电器股份有限公司 | The control circuit and control system of a kind of heat pump water-heating machine |
| CN104266316A (en) * | 2014-10-24 | 2015-01-07 | 中国扬子集团滁州扬子空调器有限公司 | Heat recovery control circuit for air conditioner |
| CN114963568A (en) * | 2022-05-27 | 2022-08-30 | 深圳市金宝五金塑胶有限公司 | Transposition dormancy control circuit of water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20170804 |