CN202304165U - Control circuit of cold and warm air conditioning water heater - Google Patents
Control circuit of cold and warm air conditioning water heater Download PDFInfo
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- CN202304165U CN202304165U CN2011203776745U CN201120377674U CN202304165U CN 202304165 U CN202304165 U CN 202304165U CN 2011203776745 U CN2011203776745 U CN 2011203776745U CN 201120377674 U CN201120377674 U CN 201120377674U CN 202304165 U CN202304165 U CN 202304165U
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Abstract
The utility model discloses a control circuit of a cold and warm air conditioning water heater, which comprises a heat pump control circuit and an air conditioning control circuit which are connected by a first relay. The first relay is connected with a compressor by a third relay, is connected with a water pump by a fourth relay, is connected with an electromagnetic valve by a second relay and a seventh relay and is connected with a fan by an eighth relay. The eighth relay is connected with the fan by the following three modes so as to control the rotating speed of the fan, wherein the specific connecting modes are as follows: the eighth relay is directly connected with the fan, the eight relay is connected with the fan by a normally-closed pressure switch, and the eight relay is connected with the fan by a fan speed regulator. Compared with the prior art, the air conditioning water heater can be ensured to operate in the following five states: 1, an air conditioner singly refrigerates; 2, when the air conditioner refrigerates, hot water is prepared; 3, the air conditioner singly carries out heating; 4, when the air conditioner carries out heating, hot water is prepared; and 5, hot water can be singly prepared by the air conditioner at any time all year around and the operation of the control circuit cannot be influenced under the condition of any misoperation.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly a kind of control circuit of refrigerating and heating type air conditioner and water heater.
Background technology
The existing air conditioner and water heater that has air conditioning function and preparation hot water function simultaneously normally has only the air-conditioning of single cold function and the combination of Teat pump boiler.It has only one group of throttling arrangement; Control fairly simplely, just be parallel-connected to the compressor start signal of the compressor start signal of Teat pump boiler control panel and indoor apparatus of air conditioner control panel on the compressor, at this moment as long as any control panel sends signal; Compressor all moves operation; Its control circuit is simple, as heating water separately, by the control panel output compressor start signal of Teat pump boiler and the signal of starting cross valve; Make compressor cross valve and magnetic valve energising running, become the condenser of outdoor heat radiation in the evaporimeter of heat absorption.But the mode of controlling compressor simultaneously through the control panel and the heat pump control panel of indoor set; Being difficult to reach air-conditioning can normally move, and can control the temperature of water tank again, and refrigeration and preparation hot water are interfered with each other; Simultaneously because water temperature is not controlled; Also can influence the effect of refrigeration when water temperature is too high, in case operated the control panel of heat pump because of carelessness, the refrigeration of indoor set will stop at once.
The applicant discloses a kind of control circuit of single-cooling type air conditioner and water heater in Chinese patent CN201844633; It can satisfy the air conditioning requirement of indoor set; Hot water temperature prepared when making the normal refrigerating operaton of indoor set simultaneously is controlled; Arbitrarily, can independently at all seasons prepare hot water, refrigeration and preparation hot water are not disturbed mutually according to demand control water temperature.But this circuit can't be applicable to the refrigerating and heating type air conditioner and water heater.
The utility model content
The utility model has overcome shortcoming of the prior art; A kind of control circuit of refrigerating and heating type air conditioner and water heater is provided; Make the control system under various states, move, and can make the indoor set of existing each air-conditioning simple with the two mutual flexible configurations of the outdoor main frame of air conditioner and water heater.
In order to solve the problems of the technologies described above, the utility model is realized through following technical scheme:
A kind of control circuit of refrigerating and heating type air conditioner and water heater; Comprise the heat pump control circuit and the ac control circuit that connect through first relay; First relay connects compressor through the 3rd relay; Connect water pump through the 4th relay, it is characterized in that: first relay connects magnetic valve through second relay, the 7th relay, connects blower fan through the 8th relay; Said the 8th relay is connected its rotating speed of control through three kinds of modes with blower fan: directly connect, connect through be connected, pass through the fan speed regulation device with normally closed pressure switch.
Further, said magnetic valve comprises that the switching refrigerant is realized refrigeration or first cross valve that heats in the flow direction of air-conditioning system, coil electricity is changed second cross valve of conduction mode when heating water condition separately; Described second relay connects first cross valve; Said the 7th relay device connects second cross valve.
Described the 8th relay comprises two groups of contacts at least, and wherein one group stationary contact is connected with the 4th relay, and two movable contacts directly are connected with blower fan respectively or are connected with blower fan through normally closed pressure switch; The stationary contact of another group is connected with first relay, and two movable contacts directly are connected with blower fan respectively or are connected with blower fan through the fan speed regulation device.
Further, said heat pump control panel connects heating bar through the 6th relay, and the 6th relay is the relay that two groups of normally-open normally-close contacts are arranged, as separately or connect live wire and the zero line of heating bar in order to avoid phenomenon is over the ground arranged during fiery zero line wrong.
Compared with prior art; The utility model can guarantee that air conditioner and water heater can move under five kinds of states: 1. air-conditioning list refrigeration, 2. add during air conditioner refrigerating heat water, 3. air-conditioning list system warm, add when 4. air-conditioning system is warm and heat water, 5. whenever can singly heat water the whole year, and under the situation of any maloperation, can not influence the operation of system.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is the Circuits System wiring diagram of the utility model.
The specific embodiment
As shown in Figure 1; The control circuit of the described a kind of refrigerating and heating type air conditioner and water heater of the utility model; Comprise the heat pump control circuit and the ac control circuit that are connected with first relay J 1 respectively, the heat pump control circuit includes heat pump control panel 4, and ac control circuit includes air-conditioning control panel 3.The coil of first relay J 1 is connected with selector switch 2, and whether each organizes common point is to switch on according to selector switch 2 to determining to be connected with air-conditioning control panel 3 or to be connected with heat pump control panel 4 to coil, and then the running status of decision systems.
First relay J 1 connects compressors 6 through the 3rd relay J 3, connects water pumps 8 through the 4th relay J 4, connects magnetic valves, connects blower fans 9 through the 8th relay J 8 through second relay J 2, the 7th relay J 7.The 8th relay J 8 is connected its rotating speed of control through three kinds of modes with blower fan 9: directly connect, connect through be connected, pass through fan speed regulation device 18 with normally closed pressure switch 15.Preferably, the 8th relay J 8 comprises two groups of contacts at least, and wherein one group stationary contact is connected with the 4th relay J 4, and two movable contacts directly are connected with blower fan 9 respectively or are connected with blower fan 9 through normally closed pressure switch 15; The stationary contact of another group is connected with first relay J 1, and two movable contacts directly are connected with blower fan 9 respectively or are connected with blower fan 9 through fan speed regulation device 18.The coil of the selector switch 2 and first relay J 1.
Further, said magnetic valve comprises and switches that refrigerant is realized refrigeration or first cross valve 10 that heats in the flow direction of air-conditioning system, second cross valve 12 of conversion conduction mode when heating water condition separately; Described second relay J 2 connects first cross valve 10; Said the 7th relay device J7 connects second cross valve 12.
Heat pump control panel 4 connects heating bar 19, the six relay J 6 for the relay of two groups of normally-open normally-close contacts is arranged through the 6th relay J 6.
After the improvement, present embodiment cooperates with the different actions of water pump through the control blower fan.Thereby realize that air conditioner and water heater can move under various states:
1. the air-conditioning list freezes: air-conditioning control panel 3 outputs signal to the 3rd relay J 3; Normally opened contact engages conducting, and compressor 6 gets electric, and the 4th relay J 4 common points get; And through self normally-closed contact; Receive one of them common point of the 8th relay J 8, the 8th relay J 8 is linked blower fan 9 through the normally-closed contact of self, blower fan 9 full speed runnings this moment.
2. air-conditioning list refrigeration adds and heats water: air-conditioning control panel 3 output signals, heat pump control panel 4 is also exported signal.Because selector switch 2 is in the air-conditioning position, first relay J, 1 coil no power, normally-closed contact is connected with common point; Whether compressor 6 and blower fan 9 move, fully by 3 controls of air-conditioning control panel.And the signal of hot water control panel 4 is only controlled the coil electricity of the 4th relay J 4, lets the 4th relay J 4 original common points that connect normally-closed contact transfer the connection normally opened contact to.Compressor 6 operations this moment, the output of the 3rd relay J 3 is connected two normally opened contacts through the 4th relay J 4 common points: the one tunnel exports water pump 8 its operations of control to; Another road first relay J, 1 common point connects normally-closed contact, and the common point, the normally-closed contact that connect the 8th relay J 8 then are connected with blower fan 9 after connecting fan speed regulation device 18 again.Add when heating water water pump 8 operations, blower fan 9 low cruises thereby be implemented in air conditioner refrigerating.
3. air-conditioning system is warm: the 8th relay J 8 is to aim at the warm and element established of air-conditioning system.The coil of the 8th relay J 8 connects the warm signal of system of air-conditioning control panel 3; As long as the warm signal output of the system of air-conditioning control panel; Wherein one the tunnel connect the 8th relay J 8 coil; Another road first relay J, 1 normally-closed contact, common point connect second relay J, 2 common points, give electric first cross valve 10 by normally-closed contact then.And the blower fan loop is that 3 outputs of the 3rd relay J are through the 4th relay J 4 common points; Connect the 8th relay J 8 common contacts, normally opened contact by normally-closed contact then; The normally-closed contact that connects first relay J 1 again; Be communicated to blower fan 9 after being connected in series normally closed pressure switch 15 at last, let blower fan 9 under pressure control, move, exempt the high temperature warm harm of system down system.
4. air-conditioning system warms up to add and heats water: the warm signal of air-conditioning control panel 3 output systems; Heat pump control panel 4 is also exported signal simultaneously; The coil of the 3rd relay J 3, the 4th relay J 4, the 8th relay J 8 gets; The blower fan loop is by the 3rd relay J 3 output warps the 4th relay J 4 common points, normally opened contact, connects first relay J, 1 common point, normally-closed contact, connects the 8th relay J 8 common points, normally opened contact then; Return first relay J, 1 normally opened contact, be connected in series normally closed pressure switch 15 backs and connect blower fan 9; And the water pump loop is by 3 outputs of the 3rd relay J, connects water pump 8 through the 4th relay J 4 common points, normally opened contact, thus the warm effect that also can heat water of the air-conditioning system of reaching, and the high temperature warm harm to system of system is down exempted in blower fan 9 operation under pressure control.
5. heat water separately: whenever the utility model can heat water separately in the whole year.The 7th relay J 7 is in order not influence the warm normal operation of air-conditioning system, and system can heat water separately and the element that increases during without air-conditioning.When needs heat water separately; The operation of all switching on of system requirements compressor 6, blower fan 9, water pump 8, first cross valve 10; Also require normally closed two- port valve 13,17 simultaneously through 7 connections of the 7th relay J; Second cross valve 12 is often opened pressure switch 16 and is in "on" position, makes system operate in the state of heat-pump hot-water.Only need close selector switch 2 this moment, first relay J, 1 coil electricity, and its all common points just are connected with normally opened contact.The signal of heat pump control panel 4 removes the coil that directly flows to the 4th relay J 4; Also can be communicated with the coil of the 3rd relay J 3 through normally opened contact, the common point of first relay J 1, connect first cross valve 10 through common point, the normally-closed contact of second relay J 2.This moment, the output of the 3rd relay J 3 just can move compressor 6.Through first relay J, 1 common point, normally opened contact, connect the 7th relay J 7 common points, normally-closed contact in addition, thereby move second cross valve 12, normally closed two-port valve 13, and serial connection is often driven the normally closed two-port valve 17 of pressure switch 16.Move water pump 8 through the 4th relay J 4 common points, normally opened contact in addition, and the normally opened contact of the 4th relay J 4 is communicated to normally closed pressure switch 15 through first relay J, 1 common point, normally opened contact again, last conducting operation blower fan 9.The system that realized is high at temperature, and blowing-out machine stopping system has ensured device security during the operation of pressure high state.
In the above 1-4 kind running status, selector switch 2 does not all have to give the coil of first relay J 1 to power up, and all common points of first relay J 1 are communicated with normally-closed contact.Though air-conditioning control panel 3 is exported signal simultaneously with heat pump control panel 4 sometimes, whole system still operates in the air-conditioning state.Owing to added the 8th relay J 8, blower fan 9 can be operated at full speed according to the demands of different of system. low speed or pressure protect blowing-out machine and the various states of stopping system.In addition; No matter be that the system of air-conditioning is warm or heat water separately; The operation of all will switching on of first cross valve 10; And second cross valve 12, normally closed two-port valve 13 and serial connection are often opened the operation of when heating water separately, just switching on of 17 of the normally closed two-port valves of pressure switch 16; Air-conditioning system is not allow the operation of switching on when warm, has therefore increased by the 7th relay J 7 and just can satisfy system's operation demand. the cooperation through first relay J 1, second relay J 2, the 7th relay J 7 simultaneously, defrost that can safeguards system needs.Owing to changed the part connecting circuit; Become the circuit of single cold type in the circuit of cold-warm type air-conditioning water heater; Make the control circuit of the utility model can control system and under five kinds of states, move, and making the outdoor main frame of indoor set and air conditioner and water heater of each air-conditioning, two flexible configurations are simple mutually.
The utility model is not limited to above-mentioned embodiment; If the various changes of the utility model or distortion are not broken away from the spirit and the scope of the utility model; If these changes and distortion belong within the claim and equivalent technologies scope of the utility model, then the utility model also is intended to comprise these changes and distortion.
Claims (10)
1. the control circuit of a refrigerating and heating type air conditioner and water heater; Comprise the heat pump control circuit and the ac control circuit that connect through first relay; First relay connects compressor through the 3rd relay; Connect water pump through the 4th relay, it is characterized in that: first relay connects magnetic valve through second relay, the 7th relay, connects blower fan through the 8th relay; Said the 8th relay is connected its rotating speed of control through three kinds of modes with blower fan: directly connect, connect, connect through the fan speed regulation device through normally closed pressure switch.
2. the control circuit of refrigerating and heating type air conditioner and water heater according to claim 1 is characterized in that: said magnetic valve comprises that the switching refrigerant is realized refrigeration or first cross valve that heats in the flow direction of air-conditioning system, coil electricity is changed second cross valve of conduction mode when heating water condition separately; Described second relay connects first cross valve; Said the 7th relay device connects second cross valve.
3. the control circuit of refrigerating and heating type air conditioner and water heater according to claim 1 and 2; It is characterized in that: described the 8th relay comprises two groups of contacts at least; Wherein one group stationary contact is connected with the 4th relay, and two movable contacts directly are connected with blower fan respectively or are connected with blower fan through normally closed pressure switch; The stationary contact of another group is connected with first relay, and two movable contacts directly are connected with blower fan respectively or are connected with blower fan through the fan speed regulation device.
4. the control circuit of refrigerating and heating type air conditioner and water heater according to claim 1 and 2 is characterized in that: said heat pump control panel connects heating bar through the 6th relay, and the 6th relay is the relay that two groups of normally-open normally-close contacts are arranged.
5. the control circuit of refrigerating and heating type air conditioner and water heater according to claim 1 and 2; It is characterized in that: the coil of said first relay is connected with selector switch; All common points of first relay are communicated with normally-closed contact during the coil no power, and all common points of first relay just are connected with normally opened contact during coil electricity.
6. the control circuit of refrigerating and heating type air conditioner and water heater according to claim 1 and 2 is characterized in that: during said air-conditioning list cooling condition, and the first relay coil no power, normally-closed contact is connected with common point; Ac control circuit outputs signal to the 3rd relay, and its normally opened contact engages conducting, connects compressor; The common point of the 4th relay gets electric, and through self normally-closed contact, receives one of them common point of the 8th relay, and the 8th relay is linked blower fan through the normally-closed contact of self.
7. the control circuit of refrigerating and heating type air conditioner and water heater according to claim 1 and 2 is characterized in that: said air-conditioning list refrigeration adds when heating water condition, the first relay coil no power, and normally-closed contact is connected with common point; The common point that the energising of heat pump control circuit output signal controlling the 4th relay coil makes the 4th relay connect normally-closed contact originally transfers the connection normally opened contact to; Compressor is connected through the 3rd relay; The output of the 3rd relay is connected two normally opened contacts through the 4th relay common point: the one tunnel exports its operation of water pump control to; Another road first relay common point connects normally-closed contact, and the common point, the normally-closed contact that connect the 8th relay then are connected with blower fan after connecting the fan speed regulation device again.
8. the control circuit of refrigerating and heating type air conditioner and water heater according to claim 1 and 2; It is characterized in that: when said air-conditioning system warms up operating mode; The warm signal output of the system of ac control circuit; Wherein one the tunnel connect the 8th relay coil, another road first relay normally-closed contact, common point connect the second relay common point, connect first cross valve by normally-closed contact then; The 3rd relay output connects the common contact of the 8th relay, normally opened contact by normally-closed contact then through the 4th relay common point, connects the normally-closed contact of first relay again, is communicated to blower fan after being connected in series normally closed pressure switch at last.
9. the control circuit of refrigerating and heating type air conditioner and water heater according to claim 1 and 2; It is characterized in that: said air-conditioning system is warm to be added when heating water condition; The warm signal of ac control circuit output system; The heat pump control circuit is exported signal, connects the coil of the 3rd relay, the 4th relay, the 8th relay respectively; The output of the 3rd relay is through the 4th relay common point, normally opened contact; Connect the first relay common point, normally-closed contact; Connect the 8th relay common point, normally opened contact then, return first relay normally open contact, connect blower fan after being connected in series normally closed pressure switch; The output of the 3rd relay is connected water pump through the 4th relay common point, normally opened contact.
10. the control circuit of refrigerating and heating type air conditioner and water heater according to claim 1 and 2 is characterized in that: said when heating water condition separately, selector switch closes, the energising of first relay coil, and its all common points are connected with normally opened contact; The signal of heat pump control circuit directly is delivered to the coil of the 4th relay, and is communicated with the coil of the 3rd relay through normally opened contact, the common point of first relay, connects first cross valve through common point, the normally-closed contact of second relay; Compressor is connected in the output of the 3rd relay; Through the first relay common point, normally opened contact, connect the 7th relay common point, normally-closed contact, connect second cross valve, normally closed two-port valve, and serial connection is often driven the normally closed two-port valve of pressure switch; Through the 4th relay common point, normally opened contact operation water pump; The normally opened contact of the 4th relay is communicated to normally closed pressure switch through the first relay common point, normally opened contact again, conducting operation blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203776745U CN202304165U (en) | 2011-09-30 | 2011-09-30 | Control circuit of cold and warm air conditioning water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203776745U CN202304165U (en) | 2011-09-30 | 2011-09-30 | Control circuit of cold and warm air conditioning water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202304165U true CN202304165U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203776745U Expired - Lifetime CN202304165U (en) | 2011-09-30 | 2011-09-30 | Control circuit of cold and warm air conditioning water heater |
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| Country | Link |
|---|---|
| CN (1) | CN202304165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353150A (en) * | 2013-07-10 | 2013-10-16 | 广东欧科空调制冷有限公司 | Air cooled heat pump air conditioning unit with low-temperature refrigeration function |
-
2011
- 2011-09-30 CN CN2011203776745U patent/CN202304165U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353150A (en) * | 2013-07-10 | 2013-10-16 | 广东欧科空调制冷有限公司 | Air cooled heat pump air conditioning unit with low-temperature refrigeration function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
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| CX01 | Expiry of patent term |