CN202734255U - Electric heating function control device for heat-pump water heater - Google Patents
Electric heating function control device for heat-pump water heater Download PDFInfo
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- CN202734255U CN202734255U CN 201220370873 CN201220370873U CN202734255U CN 202734255 U CN202734255 U CN 202734255U CN 201220370873 CN201220370873 CN 201220370873 CN 201220370873 U CN201220370873 U CN 201220370873U CN 202734255 U CN202734255 U CN 202734255U
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- contactor
- control device
- master controller
- heating function
- electric heating
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Abstract
An electric heating function control device for a heat-pump water heater comprises a thermal cut-off, a thermal protector, an alternating current contactor, a residual-current circuit breaker, a master controller, an alternating current contactor 2, a relay and a current transformer, wherein the thermal protector and the thermal cut-off are arranged in a water tank, the thermal cut-off and a control coil of the alternating current contactor 2 are in series connection with a power circuit in front of the residual-current circuit breaker, a master contact of the alternating current contactor 2 is in series connection with a master circuit, an auxiliary contact of the alternating current contactor 2 and the input end of the relay are in series connection with the power circuit in front of the residual-current circuit breaker, the output end of the relay is connected with the master controller, the primary side of the current transformer is in series connection with the power circuit between the alternating current contactor and the water tank, and the secondary side of the current transformer is connected with the master controller. The electric heating function control device for the heat-pump water heater can automatically detect faults of important parts and remind users to repair the important parts, thereby being reliable and intelligent.
Description
Technical field
The utility model relates to a kind of control device of the electric heating function for Teat pump boiler, belongs to the heat pump field.
Background technology
Present Teat pump boiler generally also is provided with electric heater in its water tank.When outdoor temperature is lower, Teat pump boiler can't obtain enough heats from the outdoor air source, when causing the slow or temperature of water heating low, only has the electric heater of startup to carry out auxiliary heating and just can reach user's request.
As shown in Figure 1; the control device of existing electric heating function for Teat pump boiler comprises thermal cut-off 6, thermal protector 5, terminal board 4, A.C. contactor 3, RCCB 2, fuse 1, electric heater 15, master controller 14, water tank 13, water pump 10.Wherein, thermal protector 5 and thermal cut-off 6 place water tank 13, and are in series with electric heater 15; The control coil 32 of A.C. contactor 3 is connected with master controller 14, and the main contact 31 of A.C. contactor 3 is connected on the electric power loop of 4 of the outer terminal boards of RCCB 2 and water tank 13; Fuse 1 is connected to the incoming end of power circuit.The main contact 31 of mains supply, fuse 1, RCCB 2, A.C. contactor 3, terminal board 4, thermal protector 5, thermal cut-off 6, electric heater 15 connect, form the major loop of the control device of electric heater 15 successively.Water pump 10 is used for the water of the water system (water tank 13 and connecting line thereof) of circulation heat pump water heater for exchanging water pump.
A.C. contactor 3 switches on and off the major loop of the control device of electric heater 15 when Teat pump boiler works: after master controller 14 receives electric heater 15 open command signals, give control coil 32 power supplies of A.C. contactor 3, main contact 31 closures of A.C. contactor 3, the major loop of the control device of electric heater 15 is connected; After master controller 14 receives electric heater 15 cut-off commands, give control coil 32 outages of A.C. contactor 3, the main contact 31 of A.C. contactor 3 disconnects, and the major loop of the control device of electric heater 15 disconnects.
Thermal protector 5, thermal cut-off 6 are a kind of temperature protection devices, in case the temperature of its environment of living in surpasses its operating temperature then moves, the link circuit at its place are disconnected, and play the effect of protection electric heater 15.Thermal protector 5 is from replica, and temperature still can come back to the front state of action when recovering.6 of thermal cut-ofves are non-from replica, must be changed in case excess Temperature fuses.
Existing control device for Teat pump boiler; because the Important Components such as thermal cut-off 6, thermal protector 5, A.C. contactor 3 all are connected in the major loop of control device of electric heater 15; in case a unusual or misoperation is arranged; the capital affects the normal operation of electric heater 15; even the danger of electric heater 15 dry combustion methods can occur, or electric heater 15 is not worked all the time.And these information, master controller 14 all can't monitor, and also without any signal notice, the user can't take measures.
The utility model content
The utility model is to optimize the control device of the electric heating function of Teat pump boiler, can automatically detect the fault of Important Components and take corresponding stringent effort.
For this reason, the utility model provides a kind of control device of the electric heating function for Teat pump boiler, comprises thermal cut-off, thermal protector, A.C. contactor, RCCB, master controller, A.C. contactor two, relay, current transformer.Wherein, thermal protector and thermal cut-off place water tank; The control coil of A.C. contactor is connected with master controller, and the main contact of A.C. contactor is connected on the electric power loop between RCCB and water tank; Thermal protector and electric heater series connection.In addition, the control coil of above-mentioned thermal cut-off and A.C. contactor two is connected on the front electric power loop of RCCB; The main contact of above-mentioned A.C. contactor two is connected on the electric power loop between the main contact of RCCB and A.C. contactor; The auxiliary contact of above-mentioned A.C. contactor two and the input of relay are connected on the front electric power loop of RCCB, and the output of relay is connected with master controller; The primary side of above-mentioned current transformer is connected on the electric power loop between above-mentioned A.C. contactor and water tank, and the secondary side of current transformer is connected with master controller.
As further optimization, the control device of the electric heating function for Teat pump boiler of the present utility model also can comprise the line control machine with buzzer, the detection information exchange of master controller is crossed line control machine inform the user, and reported to the police by buzzer.Certainly, in the control device, also water pump can be connected on the master controller, master controller automatic decision dry combustion method situation and automatically controlled water pump send water, to avoid the dry combustion method of electric heater.
Control device of the present utility model, after Teat pump boiler was opened, master controller judged at first whether electric heating function is opened, and judges whether current transformer detects electric current again:
When electric heating function is opened, and current transformer judges that electric heating function is working properly when detecting electric current;
When electric heating function is opened, and current transformer is judged the electric heating function operation irregularity when not detecting electric current;
When electric heating function is not opened, and current transformer is not when detecting electric current, judges that electric heating function closes normally;
When electric heating function is not opened, and current transformer is when detecting electric current, judges that electric heating function closes unusually.
In the control device of the present utility model, when judging above-mentioned electric heating function operation irregularity, master controller continues to judge whether adhesive of relay, and the startup water pump, to prevent the electric heater dry combustion method:
When the relay adhesive, buzzer rings, line control machine newspaper thermal protector fault;
When relay not during adhesive, buzzer rings, line control machine newspaper thermal cut-off fault;
Then, does master controller continue to judge that current transformer detects electric current? when above-mentioned current transformer detects electric current, judge above-mentioned fault eliminating, close buzzer and water pump; When above-mentioned current transformer does not detect electric current, judge that above-mentioned fault still exists, master controller continues to judge whether adhesive and start water pump of relay.
In the control device of the present utility model, when judging that electric heating function closes when unusual, buzzer rings, line control machine newspaper A.C. contactor fault, and starting mode of pump is to prevent the electric heater dry combustion method, master controller judges whether current transformer detects electric current:
When above-mentioned current transformer detects electric current, judge that above-mentioned fault still exists, buzzer continues to ring, and line control machine continues newspaper A.C. contactor fault, and water pump continues to start, and master controller continues to judge whether current transformer detects electric current;
When above-mentioned current transformer does not detect electric current, judge above-mentioned fault eliminating, close buzzer and water pump.
As from the foregoing; the control device of the electric heating function for Teat pump boiler of the present utility model; by a thermal protector and a thermal cut-off; electric heating function is set in certain water temperature range could work; and the electric current of the major loop of master controller energy Real-Time Monitoring electric heating function, and then can judge constantly whether electric heating function works.In case the important spare parts such as the thermal cut-off in the control device, thermal protector, A.C. contactor break down, and just can automatically detect failure cause and reminding user on-call maintenance, the Teat pump boiler electric heating function is more reliable, intellectuality and hommization.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic diagram that has the control device of the electric heating function that is used for Teat pump boiler now;
Fig. 2 is the schematic diagram of the control device of the electric heating function for Teat pump boiler of the present utility model;
Fig. 3 is the flow chart of the control method of control device shown in Figure 2;
Fig. 4 is the flow chart of control model one in the control method of control device shown in Figure 2;
Fig. 5 is the flow chart of control model two in the control method of control device shown in Figure 2.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 2; the control device of the electric heating function that is used for Teat pump boiler of the present embodiment comprises fuse 1, RCCB 2, A.C. contactor 3, terminal board 4, thermal protector 5, thermal cut-off 6, current transformer 7, A.C. contactor 28, relay 9, water pump 10, line control machine 11, buzzer 12, water tank 13, master controller 14.
Wherein, the control coil 32 of A.C. contactor 3 is connected with master controller 14, and the main contact 31 of A.C. contactor 3, the main contact 81 of A.C. contactor 28 all are connected on the electric power loop of 4 of the outer terminal boards of RCCB 2 and water tank 13; Thermal protector 5 places water tank 13, and is in series with electric heater 15; Thermal cut-off 6 places water tank 13, and and the control coil 82 of A.C. contactor 28 be connected on the electric power loop before the RCCB 2; The auxiliary contact 83 of A.C. contactor 28 and the input 92 of relay 9 are connected on the electric power loop before the RCCB 2, and the output 92 of relay 9 is connected with master controller 14; The primary side 71 of current transformer 7 is connected on the electric power loop of 15 in A.C. contactor 3 and water tank, and the secondary side 71 of current transformer 7 is connected with master controller 14.
In addition, fuse 1 is connected to the incoming end of power circuit; Line control machine 11 with buzzer 12 is connected with master controller 14; Water pump 10 is connected with master controller 14 for exchanging water pump, is used for the water of the water system (water tank 13 and connecting line thereof) of circulation heat pump water heater.The main contact 81 of mains supply, fuse 1, RCCB 2, A.C. contactor 28, the main contact 31 of A.C. contactor 3, terminal board 4, thermal protector 5, electric heater 15 connect, form the major loop of the control device of electric heater 15 successively.
In the present embodiment, thermal cut-off 6 is connected in parallel on separately on the electric power loop, and passing through the major loop that A.C. contactor 28 is controlled the control device of electric heaters 15, auxiliary contact 83, relay 9, terminal 23 and the master controller 14 by A.C. contactor 28 carries out related simultaneously.When thermal cut-off 6 breaks down and disconnects, then the control coil 82 of A.C. contactor 28 is not charged, and the main contact 81 of A.C. contactor 28 disconnects, and the major loop of the control device of electric heater 15 disconnects, electric heater 15 is not worked; Simultaneously, the auxiliary contact of A.C. contactor 28 83 disconnects, and the input 92 of relay 9 does not have electric current to pass through, and the output 91 of the relay 9 that connects of being connected with master controller disconnects.When thermal cut-off 6 normal operation, disconnect, then the control coil 82 of A.C. contactor 28 is charged, and main contact 81 closures of A.C. contactor 28 are in the major loop conducting of control device of the electric heater 15 of this section; Simultaneously, auxiliary contact 83 closures of A.C. contactor 28, input 92 electric currents of relay 9 pass through, and are connected output 91 closures of the relay 9 that connects with master controller.
In the present embodiment; if A.C. contactor 3 normally closeds, thermal protector 5 normal operations; the then major loop conducting of the control device of this section electric heater 15 of 13 in the main contact 31 of A.C. contactor 3 and water tank, current transformer 7 can be sensed current signal, and sends master controller 14 to.
As shown in Figure 3, in the present embodiment, in case Teat pump boiler is opened, after powering on, master controller 14 just operates in accordance with the following steps:
Step 1: initialize;
Step 2: judge that electric heating function opens? if then turn step 3; If not, then turn step 5;
Step 3: judge that current transformer 7 detects electric current? if, judge that then electric heating function is working properly, return step 2; If not, then judge the electric heating function operation irregularity, and enter step 4;
Step 4: control model one;
Step 5: judge that current transformer 7 detects electric current? if not, judge that then electric heating function closes normally, return step 2; If judge that then electric heating function closes unusually, and enter step 6;
Step 6: control model two.
As shown in Figure 4, in the present embodiment, when judging the electric heating function operation irregularity, then enter control model one, namely operate in accordance with the following steps:
Step 1: initialize;
Step 2: judge whether adhesive of relay 9, namely whether the output 91 of relay 9 closed? if then enter step 3; If not, then enter step 4;
Step 3: buzzer 12 sound, line control machine 11 newspaper thermal protectors 5 faults, and enter step 5; Like this, after the user receives prompting, can in time overhaul thermal protector 5, to guarantee the normal operation of Teat pump boiler;
Step 4: buzzer 12 sound, line control machine 11 newspaper thermal cut-ofves 6 faults, and enter step 5; Like this, after the user receives prompting, can in time overhaul thermal cut-off 6, to guarantee the normal operation of Teat pump boiler;
Step 5: judge that water pump 10 starts? if then enter step 7; If not, then enter step 6;
Step 6: start water pump 10, and enter step 7; Like this, can carry water to water tank 13 by water pump 10, to prevent that the water case is 13 anhydrous, dry combustion method appears in electric heater 15;
Step 7: judge that current transformer 7 detects electric current? if then enter step 8; If not, then return step 2;
Step 8: fault is got rid of, closes buzzer 12 and water pump 10; Electric heating function returns to normal operating conditions.
Operation by this control model one; the reason that master controller 14 can detect the electric heating function operation irregularity at any time is thermal protector 5 faults; or thermal cut-off 6 faults, and in time call user's attention is guaranteed to keep in good repair, or point out after sale quick, the accurate maintenance of personnel.Simultaneously, in case the electric heating function operation irregularity, just enforced opening water pump 10 is carried water to water tank 13, to prevent that the water case is 13 anhydrous, dry combustion method, cause danger appear in electric heater 15.
As shown in Figure 5, in the present embodiment, when judging that electric heating function closes when unusual, then enter control model two, namely operate in accordance with the following steps:
Step 1: initialize;
Step 2: buzzer 12 sound, lane controller 11 newspaper A.C. contactors 3 faults enter step 3; Like this, after the user receives prompting, can in time overhaul A.C. contactor 3, to guarantee the normal operation of Teat pump boiler;
Step 3: judge that water pump 10 opens? if then directly enter step 5; If not, then enter step 4;
Step 4: start water pump 10, and enter step 5; Like this, can carry water to water tank 13 by water pump 10, to prevent that the water case is 13 anhydrous, dry combustion method appears in electric heater 15;
Step 5: judge that current transformer 7 detects electric current? if, also eliminating of fault is described, then turn back to step 2; If not, fault is got rid of, and closes buzzer 12 and water pump 10, and electric heating function returns to normal closed condition.
By the operation of this control model two, master controller 14 can detect A.C. contactor 3 faults at any time, and in time call user's attention is guaranteed to keep in good repair, or points out after sale quick, the accurate maintenance of personnel.Simultaneously, in case electric heating function is closed unusually, just enforced opening water pump 10 is carried water to water tank 13, to prevent that the water case is 13 anhydrous, dry combustion method, cause danger appear in electric heater 15.
As from the foregoing; the control device of the electric heating function that is used for Teat pump boiler of the present embodiment; in case the important spare parts such as A.C. contactor 3, thermal protector 5, thermal cut-off 6 break down; just failure cause and reminding user on-call maintenance can be automatically detected, thereby the normal operation of Teat pump boiler can be ensured.
More than be one of embodiment of the present utility model, for those skilled in the art, do not spend performing creative labour, on the basis of above-described embodiment, can do multiple variation, can realize the purpose of this utility model equally.But this variation obviously should be in the protection domain of claims of the present utility model.
Claims (2)
1. be used for the control device of the electric heating function of Teat pump boiler, comprise thermal cut-off (6), thermal protector (5), A.C. contactor (3), RCCB (2), master controller (14); Wherein thermal protector (5) and thermal cut-off (6) place water tank (13); The control coil (32) of A.C. contactor (3) is connected with master controller (14), and the main contact (31) of A.C. contactor (3) is connected on the electric power loop between RCCB (2) and water tank (13); Thermal protector (5) and electric heater (15) series connection is characterized in that:
This control device also comprises A.C. contactor two (8), relay (9), current transformer (7);
The control coil (82) of above-mentioned thermal cut-off (6) and A.C. contactor two (8) is connected on the front electric power loop of RCCB (2);
The main contact (81) of above-mentioned A.C. contactor two (8) is connected on the electric power loop between the main contact (31) of RCCB (2) and A.C. contactor (3);
The auxiliary contact (83) of above-mentioned A.C. contactor two (8) and the input (92) of relay (9) are connected on the front electric power loop of RCCB (2), and the output (92) of relay (9) is connected with master controller (14);
The primary side (71) of above-mentioned current transformer (7) is connected on the electric power loop between above-mentioned A.C. contactor (3) and water tank (15), and the secondary side (71) of current transformer (7) is connected with master controller (14).
2. the control device of the electric heating function for Teat pump boiler according to claim 1 is characterized in that: this control device also comprises the water pump (10) that is connected with master controller (14), with the line control machine (11) of buzzer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220370873 CN202734255U (en) | 2012-07-30 | 2012-07-30 | Electric heating function control device for heat-pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220370873 CN202734255U (en) | 2012-07-30 | 2012-07-30 | Electric heating function control device for heat-pump water heater |
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| Publication Number | Publication Date |
|---|---|
| CN202734255U true CN202734255U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220370873 Withdrawn - After Issue CN202734255U (en) | 2012-07-30 | 2012-07-30 | Electric heating function control device for heat-pump water heater |
Country Status (1)
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| CN (1) | CN202734255U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175303A (en) * | 2013-02-28 | 2013-06-26 | 宁波奥克斯空调有限公司 | Electrical control system used for heat-pump water heater and control method thereof |
| CN103574907A (en) * | 2012-07-30 | 2014-02-12 | 宁波奥克斯空调有限公司 | Electric heating function control device for heat-pump water heater and control method of electric heating function control device |
| CN110646684A (en) * | 2018-06-27 | 2020-01-03 | 北京北方华创微电子装备有限公司 | Heater fault detection device and method, heating system and semiconductor processing equipment |
-
2012
- 2012-07-30 CN CN 201220370873 patent/CN202734255U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574907A (en) * | 2012-07-30 | 2014-02-12 | 宁波奥克斯空调有限公司 | Electric heating function control device for heat-pump water heater and control method of electric heating function control device |
| CN103574907B (en) * | 2012-07-30 | 2016-03-23 | 宁波奥克斯空调有限公司 | For control device and the control method thereof of the electric heating function of Teat pump boiler |
| CN103175303A (en) * | 2013-02-28 | 2013-06-26 | 宁波奥克斯空调有限公司 | Electrical control system used for heat-pump water heater and control method thereof |
| CN110646684A (en) * | 2018-06-27 | 2020-01-03 | 北京北方华创微电子装备有限公司 | Heater fault detection device and method, heating system and semiconductor processing equipment |
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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 |
Granted publication date: 20130213 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |