CN210832178U - Single-motor warmer - Google Patents
Single-motor warmer Download PDFInfo
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- CN210832178U CN210832178U CN201921048868.3U CN201921048868U CN210832178U CN 210832178 U CN210832178 U CN 210832178U CN 201921048868 U CN201921048868 U CN 201921048868U CN 210832178 U CN210832178 U CN 210832178U
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Abstract
The utility model discloses a single-motor warmer, which comprises a control switch, a lighting circuit, a warming circuit, a blowing-ventilating circuit, a first relay circuit and a second relay circuit; the input end of the lighting circuit is connected with the live wire through the control switch, and the output end of the lighting circuit is connected with the zero line; the input end of the heating circuit is connected with the live wire through the control switch, and the output end of the heating circuit is connected with the zero line; the blowing-air exchanging circuit comprises a blowing sub-circuit, an air exchanging sub-circuit and a motor driving sub-circuit, wherein the input ends of the blowing sub-circuit and the air exchanging sub-circuit are respectively connected with a live wire through control switches, and the output ends of the blowing sub-circuit and the air exchanging sub-circuit are connected with a zero line through the motor driving sub-circuit; the heating circuit is connected with the air blowing sub-circuit through a first relay circuit, and the control switch is connected with the air exchanging sub-circuit through a second relay circuit. Adopt the utility model discloses, can guarantee the collaborative work of each functional circuit, prevent that the motor from burning out.
Description
Technical Field
The utility model relates to an electricity technical field especially relates to a single motor room heater.
Background
The existing single-motor indoor heater mainly comprises a blowing function, a ventilation function, an illumination function and a heating function. Specifically, the operation principle of each function is as follows:
the lighting function is as follows: independently controlling;
heating function: the heating function is that the impeller is driven by the blowing motor to rotate to form airflow, and the airflow forms hot air through the heating block in the heater, so that the blowing function must be switched on while the heating function is switched on;
the air blowing function is as follows: when the single motor rotates forwards (rotates clockwise), the ventilation function must be closed when the blowing function is switched on;
the ventilation function is as follows: when the single motor rotates reversely (rotates anticlockwise), the air blowing function must be closed when the air exchange function is switched on.
However, when an electrician installs the heating device, the circuit of the ventilation motor and the circuit of the blowing motor are connected in a wrong way, so that the blowing function is not started when the heating function is started, the heating device is dried, the product is damaged, or the blowing function and the ventilation function are simultaneously connected, and the motor is burnt out.
Therefore, how to avoid the above problems to ensure the normal use of the product has become an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure's single motor room heater is provided, can guarantee the collaborative work of each functional circuit, prevents that the motor from burning out.
In order to solve the technical problem, the utility model provides a single-motor warmer, which comprises a control switch, a lighting circuit, a warming circuit, a blowing-ventilating circuit, a first relay circuit and a second relay circuit; the input end of the lighting circuit is connected with a live wire through a control switch, and the output end of the lighting circuit is connected with a zero line; the input end of the heating circuit is connected with the live wire through the control switch, and the output end of the heating circuit is connected with the zero line; the air blowing-air exchanging circuit comprises an air blowing sub-circuit, an air exchanging sub-circuit and a motor driving sub-circuit, wherein the input ends of the air blowing sub-circuit and the air exchanging sub-circuit are respectively connected with a live wire through control switches, and the output ends of the air blowing sub-circuit and the air exchanging sub-circuit are connected with a zero line through the motor driving sub-circuit; the heating circuit is connected with the air blowing sub-circuit through a first relay circuit, and the control switch is connected with the air blowing sub-circuit through a second relay circuit.
As an improvement of the above scheme, the first relay circuit comprises a normally open relay and a first resistance-capacitance voltage reduction circuit for supplying power to the normally open relay; the movable contact of the normally open relay is connected with a heating circuit, and the normally closed contact is connected with a blowing sub-circuit; the input end of the first resistance-capacitance voltage reduction circuit is connected with the heating circuit, and the output end of the first resistance-capacitance voltage reduction circuit is connected with the normally open relay and the zero line respectively.
As an improvement of the above scheme, the first RC voltage reduction circuit is an RC circuit.
As an improvement of the above scheme, the second relay circuit includes a normally closed relay and a second resistance-capacitance voltage reduction circuit for supplying power to the normally closed relay; the movable contact of the normally closed relay is connected with the air exchange sub-circuit, and the normally open contact is connected with the air exchange sub-circuit; the input end of the second resistance-capacitance voltage reduction circuit is connected with the blowing sub-circuit, and the output end of the second resistance-capacitance voltage reduction circuit is connected with the normally closed relay and the zero line respectively.
As an improvement of the above scheme, the second RC voltage reduction circuit is an RC circuit.
As an improvement of the scheme, the control switch is a four-opening single-control switch, one switch terminal of the four-opening single-control switch is connected with the lighting circuit, one switch terminal of the four-opening single-control switch is connected with the heating circuit, one switch terminal of the four-opening single-control switch is connected with the blowing sub-circuit, and one switch terminal of the four-opening single-control switch is connected with the ventilation sub-circuit.
As an improvement of the scheme, the motor driving sub-circuit comprises a capacitor and a motor which are connected in parallel, and the motor is an asynchronous bidirectional motor.
As an improvement of the scheme, the heating circuit comprises at least one heater.
As an improvement of the scheme, the heating circuit further comprises a normally closed temperature controller connected with the heater in series, and the heater is arranged in the detection range of the normally closed temperature controller.
As a refinement of the above, the lighting circuit comprises at least one LED lamp.
Implement the utility model has the advantages that:
the utility model discloses be provided with first relay circuit and second relay circuit in the single motor room heater, can realize the heating circuit through the on-off control to first relay circuit and second relay circuit, blow-the nimble switching between the circuit of taking a breath, simple structure, the suitability is strong. Specifically, when the heating function is started, the heating circuit is switched on, the first relay circuit is closed to supply power to the air blowing sub-circuit and the motor driving sub-circuit, meanwhile, the second relay circuit is switched off, and the air exchange sub-circuit cannot work; when the blowing function is started, the blowing sub-circuit and the motor driving sub-circuit are switched on, the second relay circuit is switched off, and the air exchange sub-circuit cannot work; when the ventilation function is started, the second relay circuit is closed, the ventilation sub-circuit and the motor driving sub-circuit are switched on, and the blowing sub-circuit cannot work, so that the ventilation sub-circuit and the blowing sub-circuit cannot work simultaneously, the heating circuit and the blowing sub-circuit work simultaneously, and the motor is prevented from being burnt out.
Drawings
FIG. 1 is a circuit diagram of a first embodiment of the single motor warmer of the present invention;
FIG. 2 is a circuit diagram of a second embodiment of the single motor warmer of the present invention;
FIG. 3 is a circuit diagram of a third embodiment of the single motor warmer of the present invention;
fig. 4 is a circuit diagram of a fourth embodiment of the single motor warmer of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 shows a circuit diagram of a first embodiment of the single-motor M heater of the present invention, which includes a control switch K (see fig. 2-4), a lighting circuit, a heating circuit, a blowing-ventilating circuit, a first relay circuit P1 and a second relay circuit P2. Specifically, the method comprises the following steps:
the lighting circuit comprises at least one LED lamp, the input end of the lighting circuit is connected with the live wire L through the control switch K, and the output end of the lighting circuit is connected with the zero line N.
The heating circuit comprises at least one heater PTC, the input end of the heating circuit is connected with the live wire L through the control switch K, and the output end of the heating circuit is connected with the zero wire N.
The blowing-air exchange circuit comprises a blowing sub-circuit, an air exchange sub-circuit and a motor driving sub-circuit, wherein the blowing sub-circuit and the motor driving sub-circuit form a blowing circuit, the air exchange sub-circuit and the motor driving sub-circuit form an air exchange circuit, the motor driving sub-circuit comprises a capacitor C and a motor M which are connected in parallel, and the motor M is an asynchronous bidirectional motor; the input ends of the blowing sub-circuit and the air interchanging sub-circuit are respectively connected with a live wire L through a control switch K, and the output ends of the blowing sub-circuit and the air interchanging sub-circuit are connected with a zero line N through a motor driving sub-circuit; the heating circuit is connected with the blowing sub-circuit through a first relay circuit P1, and the control switch K is connected with the ventilation sub-circuit through a second relay circuit P2.
When the multifunctional electric heating device works, a user can drive any group of circuits (the lighting circuit, the heating circuit, the blowing circuit and the ventilation circuit) through the control switch K so as to realize the selective starting of functions. And simultaneously, the utility model discloses the linkage between heating circuit, the circuit of blowing and the circuit of taking a breath is realized to first relay circuit P1 of accessible and second relay circuit P2, specifically:
(1) when the heating circuit starts, first relay circuit P1 gets electricity and drives the circuit of blowing and starts, and second relay circuit P2 gets electricity and breaks off the circuit of taking a breath, guarantees that the circuit of taking a breath closes to avoid "the heating circuit starts, the circuit of taking a breath starts, the circuit of blowing breaks off, burns out the condition of motor".
(2) When the blowing circuit starts, the second relay circuit P2 is powered on and disconnects the ventilation circuit, so that the ventilation circuit is ensured to be closed, and the situation that the blowing circuit and the ventilation circuit start simultaneously to burn out the motor is avoided.
(3) When the circuit that takes a breath starts, first relay circuit P1 and second relay circuit P2 do not all start, and the circuit that takes a breath normally works to avoid "blowing circuit and the circuit that takes a breath to start simultaneously, burn out the condition of motor".
Therefore, the utility model discloses an on-off control to first relay circuit P1 and second relay circuit P2 realizes the heating circuit, bloies-nimble switching between the circuit of taking a breath, simple structure, and the suitability is strong.
As shown in fig. 2 to 4, the control switch K is a four-way single-control switch, one switch terminal of the four-way single-control switch is connected to the lighting circuit, one switch terminal of the four-way single-control switch is connected to the heating circuit, one switch terminal of the four-way single-control switch is connected to the blowing sub-circuit, and one switch terminal of the four-way single-control switch is connected to the ventilation sub-circuit.
It should be noted that, the existing heaters in the market must adopt a professional switch, once the switch is broken, the heater must be provided by a manufacturer, the use of the heater is delayed, and once the manufacturer stops production, the whole machine is scrapped. And the utility model provides a control switch K chooses for use four split single control switches, for general device, purchases easily, can effectively reduce the replacement cost.
In addition, the heating circuit further comprises a normally closed temperature controller connected with the heater PTC in series, and the heater PTC is arranged in the detection range of the normally closed temperature controller. When the heating function starts and the function of blowing does not start, the heater PTC burns futilely for near the heater PTC produces high temperature, and when the normal close temperature controller detected near the heater PTC temperature anomaly, the normal close temperature controller disconnection, thereby avoid the heater PTC to continue to burn futilely, guarantee indoor heater's safe handling.
As shown in fig. 2 to 4, the first relay circuit P1 includes a normally open relay K1 and a first rc voltage dropping circuit Q1 for supplying power to the normally open relay K1; the movable contact of the normally open relay K1 is connected with a heating circuit, and the normally closed contact is connected with a blowing sub-circuit; the input end of the first resistance-capacitance voltage reduction circuit Q1 is connected with a heating circuit, and the output end of the first resistance-capacitance voltage reduction circuit Q1 is connected with a normally open relay K1 and a zero line N respectively. The second relay circuit P2 comprises a normally closed relay K2 and a second resistor-capacitor voltage reduction circuit Q2 for supplying power to the normally closed relay K2; the moving contact of the normally closed relay K2 is connected with the air exchange sub circuit, and the normally open contact is connected with the air exchange sub circuit; the input end of the second resistance-capacitance voltage reduction circuit Q2 is connected with the blowing sub-circuit, and the output end of the second resistance-capacitance voltage reduction circuit Q2 is respectively connected with the normally closed relay K2 and the zero line N. Preferably, the first RC voltage dropping circuit Q1 and the second RC voltage dropping circuit Q2 may be RC circuits, but not limited thereto.
The present invention will be described in further detail with reference to specific examples.
Referring to fig. 2, fig. 2 shows a circuit diagram of a second embodiment of the single motor M heater of the present invention.
When the heating circuit starts, the heating circuit supplies power to first resistance-capacitance step-down circuit Q1, first resistance-capacitance step-down circuit Q1 gets the electricity and supplies power to normally open relay K1, normally open relay K1's coil circular telegram, the movable contact switches on with the normally closed contact so that the subcircuit of blowing switches on, at this moment, the subcircuit of blowing supplies power to second resistance-capacitance step-down circuit Q2, second resistance-capacitance step-down circuit Q2 supplies power to normally closed relay K2 power after getting the electricity, normally closed relay K2's coil circular telegram, the movable contact contacts with the normally closed contact so that the subcircuit of blowing breaks off, thereby avoid "the heating circuit to start, the circuit of breathing starts, the circuit of blowing breaks, burn out the condition of motor.
Referring to fig. 3, fig. 3 shows a circuit diagram of a third embodiment of the single motor M heater of the present invention.
When the blowing circuit starts, the blowing sub-circuit supplies power to the second resistance-capacitance voltage reduction circuit Q2, the second resistance-capacitance voltage reduction circuit Q2 supplies power to the normally closed relay K2 after power is supplied, the coil of the normally closed relay K2 is electrified, and the movable contact is in contact with the normally closed electric shock to disconnect the air exchange sub-circuit, so that the situation that the blowing circuit and the air exchange circuit start simultaneously to burn out a motor is avoided.
Referring to fig. 4, fig. 4 shows a circuit diagram of a fourth embodiment of the single motor M heater of the present invention.
When the ventilation circuit is started, the first resistance-capacitance voltage reduction circuit Q1 and the second resistance-capacitance voltage reduction circuit Q2 are not in action, the coil of the normally closed relay K2 is not electrified, and the movable contact is in contact with the normally open electric contact to enable the ventilation sub-circuit to be conducted, so that the situation that the blowing circuit and the ventilation circuit are started simultaneously to burn out the motor is avoided.
By the way, the utility model discloses in be provided with first relay circuit P1 and second relay circuit P2, realize the heating circuit, blow-the nimble switching between the circuit of taking a breath through the on-off control to first relay circuit P1 and second relay circuit P2, simple structure, the suitability is strong.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.
Claims (10)
1. A single-motor warmer is characterized by comprising a control switch, a lighting circuit, a warming circuit, a blowing-ventilating circuit, a first relay circuit and a second relay circuit;
the input end of the lighting circuit is connected with a live wire through a control switch, and the output end of the lighting circuit is connected with a zero line;
the input end of the heating circuit is connected with the live wire through the control switch, and the output end of the heating circuit is connected with the zero line;
the air blowing-air exchanging circuit comprises an air blowing sub-circuit, an air exchanging sub-circuit and a motor driving sub-circuit, wherein the input ends of the air blowing sub-circuit and the air exchanging sub-circuit are respectively connected with a live wire through control switches, and the output ends of the air blowing sub-circuit and the air exchanging sub-circuit are connected with a zero line through the motor driving sub-circuit;
the heating circuit is connected with the air blowing sub-circuit through a first relay circuit, and the control switch is connected with the air blowing sub-circuit through a second relay circuit.
2. The single motor warmer of claim 1, wherein the first relay circuit includes a normally open relay and a first resistor-capacitor voltage step-down circuit for powering the normally open relay;
the movable contact of the normally open relay is connected with a heating circuit, and the normally closed contact is connected with a blowing sub-circuit;
the input end of the first resistance-capacitance voltage reduction circuit is connected with the heating circuit, and the output end of the first resistance-capacitance voltage reduction circuit is connected with the normally open relay and the zero line respectively.
3. The single motor warmer of claim 2, wherein the first resistor-capacitor voltage step-down circuit is an RC circuit.
4. The single motor warmer of claim 1, wherein the second relay circuit includes a normally closed relay and a second resistor-capacitor voltage step-down circuit for powering the normally closed relay;
the movable contact of the normally closed relay is connected with the air exchange sub-circuit, and the normally open contact is connected with the air exchange sub-circuit;
the input end of the second resistance-capacitance voltage reduction circuit is connected with the blowing sub-circuit, and the output end of the second resistance-capacitance voltage reduction circuit is connected with the normally closed relay and the zero line respectively.
5. The single motor warmer of claim 4, wherein the second resistive-capacitive voltage reduction circuit is an RC circuit.
6. The single-motor warmer of claim 1, wherein the control switch is a four-way single-control switch, one switch terminal of the four-way single-control switch being connected to the lighting circuit, one switch terminal thereof being connected to the warming circuit, one switch terminal thereof being connected to the blowing sub-circuit, and one switch terminal thereof being connected to the ventilation sub-circuit.
7. The single motor warmer of claim 1, wherein said motor drive sub-circuit comprises a capacitor and a motor connected in parallel with each other, said motor being an asynchronous bi-directional motor.
8. The single motor warmer of claim 1, wherein said warming circuit comprises at least one heat generator.
9. The single motor warmer of claim 8, wherein the warming circuit further comprises a normally closed temperature controller in series with a heater, the heater being disposed within a detection range of the normally closed temperature controller.
10. The single motor warmer of claim 1, wherein the lighting circuit comprises at least one LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048868.3U CN210832178U (en) | 2019-07-05 | 2019-07-05 | Single-motor warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048868.3U CN210832178U (en) | 2019-07-05 | 2019-07-05 | Single-motor warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210832178U true CN210832178U (en) | 2020-06-23 |
Family
ID=71251314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921048868.3U Expired - Fee Related CN210832178U (en) | 2019-07-05 | 2019-07-05 | Single-motor warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210832178U (en) |
-
2019
- 2019-07-05 CN CN201921048868.3U patent/CN210832178U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20210705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |