CN109959071A - A kind of bathroom heater of blower and heating automatic interlock - Google Patents
A kind of bathroom heater of blower and heating automatic interlock Download PDFInfo
- Publication number
- CN109959071A CN109959071A CN201910107676.3A CN201910107676A CN109959071A CN 109959071 A CN109959071 A CN 109959071A CN 201910107676 A CN201910107676 A CN 201910107676A CN 109959071 A CN109959071 A CN 109959071A
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- Prior art keywords
- switch
- unit
- heating
- relay
- blowing
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 113
- 238000007664 blowing Methods 0.000 claims abstract description 92
- 238000009423 ventilation Methods 0.000 claims abstract description 56
- 230000001012 protector Effects 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 9
- 238000005034 decoration Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Central Heating Systems (AREA)
Abstract
The present invention relates to the bathroom heaters of a kind of blower and heating automatic interlock, including lighting unit, blowing unit, ventilating unit, heating units and switching group；Switching group includes: light switch, blower switch, ventilation switch, heating switch；Lighting unit is concatenated with light switch；One end of blowing unit is concatenated with blower switch, and the other end of blowing unit is concatenated with air blast motor；One end of ventilating unit is concatenated with ventilation switch, the other end and ventilation motor joining of ventilating unit；Heating units are concatenated with heating switch；It further include the first relay, the first relay is connected between blowing unit and heating units, and for controlling heating units, when blowing unit is in off-position, heating units are also powered off.Special switch both can be used in the present invention, and regular tap also can be used, and effectively prevents excess temperature phenomenon caused by wrong line, extends heater service life.
Description
Technical Field
The invention relates to the technical field of household appliances with automatic interlocking circuits, in particular to a bathroom heater fan, a heating automatic interlocking circuit and a bathroom heater.
Background
Bathroom heaters are classified into single fan bathroom heaters and double fan bathroom heaters. The single-fan bathroom heater is provided with the same motor and the same air duct for blowing and air exchange; the double-fan bathroom heater is provided with two independent motors and an air duct for blowing and ventilating.
As shown in fig. 1, a circuit diagram of a double-fan bathroom heater, a wiring board is sequentially provided with the functions of a ground wire E, a zero wire N, a live wire L, lighting, blowing, ventilation, heating 2 and heating 1, and each function on the wiring board is provided with two pins; the two motors are respectively connected with the pins for blowing and air exchange, the two motors are respectively connected with a capacitor C in parallel, and the capacitor C is used as a phase-shifting starting motor; two pins of the zero line, one pin is connected with the zero line through a circuit breaker K, the other pin is connected with an LED control device, a motor and a heating module which are connected in parallel, the LED control device outputs LED bulbs of which two ends are connected in parallel, display devices are connected in parallel at two ends of the motor, two PTC heaters of the heating module are respectively connected with a heating unit 2 and a heating unit 1 and then connected in parallel and then connected in series with a thermal protector theta, and the thermal protector is a normally closed contact; one of the two pins of the live wire is connected with a power supply through a main switch, the power supply is 220V-50 Hz, and the other pin is connected with a lighting switch and a ventilation switch which are connected in parallel; two pins of the lighting device, one pin is connected with the lighting switch, and the other pin is connected with the LED control device; two pins of the air blower, one pin is connected with the air blowing switch and the air heating switch which are connected in series, the two air heating switches are connected in series, and the other pin is connected with the air blowing motor; two pins of the air exchange, one pin is connected with the air exchange switch, and the other pin is connected with the air exchange motor; one pin of the two pins of the heating 2 is connected with the air heating switch 2, and the other pin is connected with the PTC heater; two pins of the heating 1, one pin is connected with the air heating switch 1, and the other pin is connected with the PTC heater.
As shown in fig. 2, a circuit diagram of a single-fan bathroom heater, a wiring board is sequentially provided with the functions of a ground wire E, a zero wire N, a live wire L, lighting, blowing, ventilation, heating 2 and heating 1, and each function on the wiring board is provided with two pins; the power supply changes the steering of the motor M by alternately switching on two ends of the capacitor C and interchanging a starting winding and a running winding of the motor M to realize the conversion between the blowing and air exchanging functions; two pins of the zero line, one pin is connected with the zero line through a circuit breaker K, the other pin is connected with an LED control device, a motor and a heating module which are connected in parallel, the LED control device outputs LED bulbs of which two ends are connected in parallel, display devices are connected in parallel at two ends of the motor, two PTC heaters of the heating module are respectively connected with a heating unit 2 and a heating unit 1 and then connected in parallel and then connected in series with a thermal protector theta, and the thermal protector is a normally closed contact; one of the two pins of the live wire is connected with a power supply through a main switch, the power supply is 220V-50 Hz, and the other pin is connected with a lighting switch and a blowing switch which are connected in parallel; two pins of the lighting device, one pin is connected with the lighting switch, and the other pin is connected with the LED control device; two pins of the air blower, one pin is connected with the air blower switch and the heating switch which are connected in series, the two heating switches are connected in parallel, and the other pin is connected with the motor; two pins of the air exchange, one pin is connected with the air exchange switch, and the other pin is connected with the motor; one pin of the two pins of the heating 2 is connected with a heating switch, and the other pin is connected with the PTC heater; two pins of the heating 1, one pin is connected with a heating switch, and the other pin is connected with a PTC heater.
At present, a bathroom heater in the prior art generally uses a special switch which is specially matched and interlocked in series, but the special switch is difficult to coordinate with home decoration, so that a plurality of users can use a conventional switch instead of the special switch for the purpose of being consistent with the home decoration style. After a conventional switch is used, the heating module can be independently electrified, a bathroom heater needs to be provided with a thermal protector, but the thermal protector has residual heat after power failure, and the over-temperature phenomenon can occur; in addition, when the circuit is connected in a wrong way and is independently opened for heating, the over-temperature phenomenon can also occur, so that the service life of the PTC heater is shortened, and the use is influenced. In addition, the interlock control circuit in the prior art is complex and is not beneficial to installation and debugging.
Disclosure of Invention
Aiming at the problems, the invention provides the bathroom heater with the fan and the heating automatic interlocking, when a conventional switch is used, the heating module cannot be independently electrified, the over-temperature phenomenon is avoided, and the service life of the whole machine is prolonged.
The invention relates to a bathroom heater with a fan and a heating automatic interlocking function, which comprises a lighting unit, a blowing unit, a ventilation unit, a heating unit and a switch group, wherein the lighting unit is connected with the blowing unit; wherein the switch block includes: a lighting switch, a blowing switch, a ventilation switch and a heating switch; the lighting unit is connected with the lighting switch in series; one end of the blowing unit is connected with the blowing switch in series, and the other end of the blowing unit is connected with the blowing motor in series; one end of the air exchange unit is connected with the air exchange switch in series, and the other end of the air exchange unit is connected with the air exchange motor in series; the heating unit is connected with a heating switch in series; the bathroom heater further comprises a first relay, the first relay is connected between the blowing unit and the heating unit and used for controlling the heating unit, and when the blowing unit is in a power-off state, the heating unit is also powered off.
A bathroom heater with a fan and a heating automatic interlocking function comprises a lighting unit, a blowing unit, a ventilation unit, a heating unit and a switch group; wherein the switch block includes: a lighting switch, a blowing switch, a ventilation switch and a heating switch; the lighting unit is connected with the lighting switch in series; one end of the blowing unit is connected with the blowing switch in series; one end of the air exchange unit is connected with the air exchange switch in series; the other end of the air blowing unit and the other end of the air exchange unit are respectively connected with the motor; the motor is a bi-directional motor; the heating unit is connected with a heating switch in series; the bathroom heater also comprises a first electromagnetic relay and a second electromagnetic relay, wherein a coil of the first relay is connected with a blowing unit, a first normally open contact of the first relay is connected with a heating unit, a second normally open contact of the first relay is connected with a motor and the blowing unit, a coil of the second relay is connected with a normally closed contact of the first relay in series and is connected to a ventilation unit, a normally open contact of the second relay is connected with the motor and the ventilation unit, when the blowing unit is electrified, two normally open contacts of the first relay are switched on, and meanwhile, the normally closed contact of the first relay is switched off, so that the ventilation function is locked, and the heating unit can be electrified; when the ventilation unit is electrified, the normally open contact of the second relay is switched on, the ventilation unit is electrified, the coil of the first relay is not electrified at the moment, the first normally open contact of the first relay is not switched on, and the heating unit is locked.
In one embodiment, the lighting switch and the blowing switch are connected in parallel to the live wire, wherein the blowing switch is a double-pole double-throw switch, and the blowing switch is respectively connected in series with the ventilation switch and the heating switch for controlling the ventilation switch and the heating switch.
In one embodiment, the blast switch, the ventilation switch and the heating switch are connected in parallel to a live wire, wherein the blast switch is a single-pole single-throw switch, and the blast switch is connected in series or in parallel with the heating switch.
In one embodiment, the bathroom heater further comprises display means connected in parallel to both ends of the blowing unit for displaying the operation state of the blowing unit.
In one embodiment, the heating unit comprises two heaters which are connected in parallel and then connected in series with the thermal protector. Preferably, the heater is a PTC heater.
In one embodiment, the bathroom heater further includes a capacitor connected in parallel across the motor.
In one embodiment, the first relay and the second relay are electromagnetic relays.
In one embodiment, the first relay and the second relay are transfer relays.
The invention can use a special matching series connection interlocking switch, and can also use a conventional switch corresponding to home decoration, thereby effectively avoiding the over-temperature phenomenon caused by separately opening and heating due to wrong connection, prolonging the service life of the heater, and being beneficial to installation and debugging.
Drawings
FIG. 1 is a circuit diagram of a prior art dual fan bathroom heater;
FIG. 2 is a circuit diagram of a conventional single fan bathroom heater circuit;
FIG. 3 is a circuit diagram of the dual fan bathroom heater of the present invention with a dedicated switch;
FIG. 4 is a circuit diagram of a dual fan bathroom heater of the present invention with a conventional switch;
FIG. 5 is a circuit diagram of a single fan bathroom heater of the present invention with a dedicated switch;
FIG. 6 is a circuit diagram of a single fan bathroom heater of the present invention with a conventional switch;
FIG. 7 is a JTX-3C wiring diagram of a relay;
wherein: k-a circuit breaker; m, a motor; PTC-heater; c-a capacitor; e, a ground wire; n-zero line; l-a live line; theta-thermal protector; j, a relay; j1 — first relay; j2 — second relay; j1-1-first normally open contact of first relay; j1-2-second normally open contact of first relay; j1-3 — normally closed contact of first relay; 1-11-relay pin.
Detailed Description
For clarity of explanation of the present invention, a bathroom heater with a blower and heating interlock will now be described further with reference to the accompanying drawings.
As shown in fig. 3 and 5, the bathroom heater blower, the heating automatic interlocking circuit and the bathroom heater, the automatic interlocking circuit comprises a lighting unit, a blowing unit, a ventilation unit, a heating unit and an interlocking control unit, and is connected with a special matching series interlocking switch or a conventional switch corresponding to home decoration; the lighting unit comprises a lighting switch, an LED control device and LED bulbs, wherein the lighting switch and the LED control device are connected in series, and the LED bulbs are connected to two output ends of the LED control device in parallel; the blowing unit comprises a motor and a blowing switch which are connected in series, and the motor is protected and grounded; the heating unit comprises a heating module and a heating switch which are connected in series, and the heating module comprises a thermal protector and a heater; the interlocking control unit comprises a relay connected to the blowing unit and the heating unit, and is used for controlling the heating module of the heating unit to be powered on to work when the blowing unit is powered on to work, and when the blowing unit is powered off after the bathroom heater works normally, the heating module of the heating unit is powered off automatically.
As shown in fig. 3, in one embodiment, the blowing unit and the ventilation unit are two independent motors and air ducts, wherein one end of the blowing unit is connected in series with the blowing switch, and the other end of the blowing unit is connected in series with the blowing motor; one end of the air exchange unit is connected with the air exchange switch in series, and the other end of the air exchange unit is connected with the air exchange motor in series; the interlocking control unit comprises a relay J, a relay coil is connected with the blowing unit, a normally open contact of the relay is connected with the heating unit, and after the blowing terminal is electrified, the relay coil is electrified, the normally open contact of the relay is connected, the blower works, and the heating module can be electrified. In the embodiment, the lighting switch and the ventilation switch are connected with a live wire, and the blowing switch is sequentially connected with the air heating switch 1 and the air heating switch 2 in series for controlling the air heating switch. As shown in fig. 4, the blast switch may be a single-pole single-throw switch, and the blast switch, the ventilation switch, and the heating switch are connected in parallel to the power supply L terminal.
As shown in fig. 5, in one embodiment, the blowing unit and the ventilation unit share one motor and one air duct, wherein one end of the blowing unit is connected in series with the blowing switch, one end of the ventilation unit is connected in series with the ventilation switch, and the other end of the blowing unit and the other end of the ventilation unit are respectively connected with the motor; the interlocking control unit comprises two relays, namely a first relay J1 and a second relay J2, wherein a first relay coil is connected with a blowing unit, a first normally open contact J1-1 of the first relay is connected with a heating unit, a second normally open contact J1-2 of the first relay is connected with a motor and the blowing unit, a second relay coil is connected with a normally closed contact J1-3 of the first relay in series and connected to a ventilation unit, and a normally open contact of the second relay is connected with the motor and the ventilation unit, so that when blowing is used, after a blowing terminal is electrified, the first relay coil is electrified, the two normally open contacts of the first relay are switched on, a blower works, the normally closed contact of the first relay is switched off, the ventilation function is locked, and the heating module can be electrified; when the ventilation is used, after the ventilation terminal is electrified, the second relay coil is electrified, the normally open contact of the second relay is switched on, the ventilation function is started, the first relay coil is not electrified at the moment, the first normally open contact of the first relay connected with the heating unit is not switched on, and the locking heating module cannot be electrified; when the ventilation device is in ventilation work, the blowing terminal is electrified, and the circuit is switched into a blowing state. In this embodiment, the lighting switch and the blowing switch are connected to the live wire, wherein the blowing switch can be a double-pole double-throw switch, and the blowing switch is respectively connected in series with the ventilation switch and the heating switch for controlling the ventilation switch and the heating switch, as shown in fig. 6, the blowing switch can also be a single-pole single-throw switch, and the blowing switch, the ventilation switch and the heating switch are connected in parallel to the power supply L terminal.
As shown in FIG. 7, the relays J, J1 and J2 are electromagnetic relays JTX-3C/220 VAC.
When the single-fan bathroom heater is used for blowing air, after a blowing terminal is electrified, a coil of a relay J1(1, 11 pins) is electrified, normally open contacts of J1-1(2, 3 pins) and J1-2(5, 6 pins) are switched on, a blower works, meanwhile, the normally closed contacts of J1-3(8, 9 pins) are switched off, the ventilation function is locked, and a heating module (PTC) can be electrified; (2) when the ventilation device is used for ventilation, after a ventilation terminal is electrified, the coil of the relay J2(1 pin and 11 pin) is electrified, the normally open contact of the J2(2 pin and 3 pin) is switched on, the ventilation function is started, at the moment, the coil of the J1 is not electrified, the normally open contact of the J1-1 is not switched on, and the locking heating module (PTC) cannot be electrified; (3) when the ventilation device works in ventilation, the blowing terminal is electrified, the circuit is switched into a blowing state, and the working process according to the step (1) is carried out.
The double-fan bathroom heater is improved in blowing state only by two independent motors and an air duct, and the working principle of the improved circuit is that after a blowing terminal is electrified, a coil of a relay J (1 pin, 11 pins) is electrified, normally open contacts of J (2 pin and 3 pin) are connected, a blower works, and a heating module (PTC) can be electrified.
In the improved bathroom heater, the heating module cannot be electrified when the blower is not turned on; after the heater of the bathroom normally works, when the air blower is powered off, the heating module is automatically powered off.
The improved bathroom heater can use a special switch which is specially matched and interlocked in series, and can also use a conventional common switch corresponding to home decoration.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A bathroom heater with a fan and a heating automatic interlocking function comprises a lighting unit, a blowing unit, a ventilation unit, a heating unit and a switch group; wherein,
the switch block includes: a lighting switch, a blowing switch, a ventilation switch and a heating switch;
the lighting unit is connected with the lighting switch in series;
one end of the blowing unit is connected with the blowing switch in series, and the other end of the blowing unit is connected with the blowing motor in series;
one end of the air exchange unit is connected with the air exchange switch in series, and the other end of the air exchange unit is connected with the air exchange motor in series;
the heating unit is connected with a heating switch in series;
it is characterized in that the bathroom heater also comprises a first relay,
the first relay is connected between the blowing unit and the heating unit and used for controlling the heating unit, and when the blowing unit is in a power-off state, the heating unit is also powered off.
2. A bathroom heater with a fan and a heating automatic interlocking function comprises a lighting unit, a blowing unit, a ventilation unit, a heating unit and a switch group; wherein,
the switch block includes: a lighting switch, a blowing switch, a ventilation switch and a heating switch;
the lighting unit is connected with the lighting switch in series;
one end of the blowing unit is connected with the blowing switch in series;
one end of the air exchange unit is connected with the air exchange switch in series;
the other end of the air blowing unit and the other end of the air exchange unit are respectively connected with the motor; the motor is a bi-directional motor;
the heating unit is connected with a heating switch in series;
it is characterized in that the bathroom heater also comprises a first relay and a second relay,
the coil of the first relay is connected with the blowing unit, the first normally open contact of the first relay is connected with the heating unit, the second normally open contact of the first relay is connected with the motor and the blowing unit, the coil of the second relay is connected with the normally closed contact of the first relay in series and connected to the ventilation unit, the normally open contact of the second relay is connected with the motor and the ventilation unit, when the blowing unit is electrified, the two normally open contacts of the first relay are connected, meanwhile, the normally closed contact of the first relay is disconnected, the ventilation function is locked, and the heating module can be electrified; when the ventilation unit is electrified, the normally open contact of the second relay is switched on, the ventilation unit is electrified, the coil of the first relay is not electrified at the moment, the first normally open contact of the first relay is not switched on, and the heating module is locked.
3. The bathroom heater with blower fan and warming automatic interlocking according to claim 2, wherein the lighting switch and the blowing switch are connected in parallel to a live wire, wherein the blowing switch is a double-pole double-throw switch, and the blowing switch is respectively connected in series with the ventilation switch and the warming switch for controlling the ventilation switch and the warming switch.
4. The bathroom heater of claim 1 or 2, wherein the blower switch, the ventilation switch and the lighting switch are connected in parallel to a live wire, wherein the blower switch is a single-pole single-throw switch, and the blower switch is connected in series or in parallel to the heating switch.
5. The heater of claim 1 or 2, further comprising a display device connected in parallel to both ends of the blowing unit for displaying the operation state of the blowing unit.
6. The bathroom heater with the blower fan and the heating automatic interlocking function according to claim 1 or 2, wherein the heating unit comprises two heaters which are connected in parallel and then connected in series with a thermal protector.
7. The blower and warming self-interlocking bathroom heater of claim 6 wherein the heater is a PTC heater.
8. A blower and heating self-interlocking bathroom heater as claimed in claim 1 or 2 further comprising a capacitor connected in parallel across the motor.
9. The blower and heating auto-interlocked bathroom heater of claim 1 or 2, wherein the first relay and the second relay are electromagnetic relays.
10. The blower and heating auto-interlocked bathroom heater of claim 1 or 2, wherein the first relay and the second relay are transfer relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107676.3A CN109959071A (en) | 2019-02-01 | 2019-02-01 | A kind of bathroom heater of blower and heating automatic interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107676.3A CN109959071A (en) | 2019-02-01 | 2019-02-01 | A kind of bathroom heater of blower and heating automatic interlock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109959071A true CN109959071A (en) | 2019-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910107676.3A Pending CN109959071A (en) | 2019-02-01 | 2019-02-01 | A kind of bathroom heater of blower and heating automatic interlock |
Country Status (1)
| Country | Link |
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| CN (1) | CN109959071A (en) |
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| CN210292070U (en) * | 2019-02-01 | 2020-04-10 | 佛山电器照明股份有限公司 | Bathroom heater with fan and heating automatic interlocked |
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2019
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| EP0098787A2 (en) * | 1982-07-02 | 1984-01-18 | Carrier Corporation | Method and apparatus for integrating operation of a heat pump and a separate heating source and preventing simultaneous operation of a heat pump and a separate heating source |
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| CN105588338A (en) * | 2016-03-16 | 2016-05-18 | 黄中奎 | Bath heater cooling blower controller and bath heater |
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| CN210292070U (en) * | 2019-02-01 | 2020-04-10 | 佛山电器照明股份有限公司 | Bathroom heater with fan and heating automatic interlocked |
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