CN217635886U - Circuit for controlling temperature outside heater and heater - Google Patents

Abstract

The utility model discloses a circuit and room heater of room heater outside accuse temperature. The circuit for controlling the temperature of the outside of the warmer comprises a direct-current power supply, a temperature regulation detection module, a connecting port, a control switch, a switch module and a control module, wherein the direct-current power supply, the temperature regulation detection module and one connecting end of the connecting port are sequentially and electrically connected, the other connecting end of the connecting port, the control switch and a grounding end are sequentially and electrically connected, and the two connecting ends of the connecting port are respectively used for being electrically connected with two ends of the temperature switch; the direct-current power supply, the switch module and the control module are electrically connected in sequence, and the output end of the temperature adjusting detection module is electrically connected with the switch module. The utility model discloses an external temperature switch just can realize temperature control, and temperature switch is easily changed, and it is more convenient to maintain.

Description

Circuit for controlling temperature outside heater and heater

Technical Field

The utility model belongs to the technical field of electronic circuit technique and specifically relates to a circuit and room heater of room heater outside accuse temperature.

Background

The existing heater usually has a temperature control function, namely the heater can be automatically started to work when the room temperature is lower than a set temperature and can be automatically stopped to work when the room temperature is higher than or equal to the set temperature. The warmer depends on the communication between the temperature control circuit board and the main control circuit board to achieve the purpose of controlling the temperature. However, the temperature control circuit board is specially developed for the main control circuit board, once the temperature control circuit board is damaged, a replacement is difficult to find, and the maintenance is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model provides a circuit and room heater of room heater outside accuse temperature just can realize temperature control through external temperature switch, and temperature switch is liable to change, and it is more convenient to maintain.

In order to solve the above problem, the utility model adopts the following technical scheme:

according to a first aspect of the present invention, an embodiment of the present invention provides a circuit for external temperature control of a heater, comprising a dc power supply, a temperature adjustment detection module, a connection port, a control switch, a switch module and a control module, wherein one of the connection ends of the dc power supply, the temperature adjustment detection module and the connection port is electrically connected in sequence, the other connection end of the connection port, the control switch and a grounding end are electrically connected in sequence, and the two connection ends of the connection port are respectively used for electrically connecting with two ends of the temperature switch; the direct-current power supply, the switch module and the control module are electrically connected in sequence, and the output end of the temperature regulation detection module is electrically connected with the switch module; the temperature adjusting detection module is used for outputting a detection signal to the switch module according to the on-off state of the control switch and the external temperature switch, and the switch module is used for controlling the circuit between the direct-current power supply and the control module to be switched on or switched off according to the detection signal of the temperature adjusting detection module.

In some embodiments, the temperature adjustment detection module includes a first switch tube and a second switch tube, the dc power supply, the third hundred resistor, the third hundred twenty resistor and one of the connection ends of the connection ports are sequentially electrically connected, one end of the third hundred twenty resistor electrically connected to the third hundred resistor, the third hundred twenty-one resistor and the control end of the first switch tube are sequentially electrically connected, the dc power supply is electrically connected to the input end of the first switch tube, and the output end of the first switch tube, the third hundred zero three resistor, the third hundred zero four resistor and the ground end are sequentially electrically connected; one end of the third-hundred-and-four resistor, which is electrically connected with the third-hundred-and-three resistor, the third-hundred-and-five resistor and the control end of the second switch tube are sequentially and electrically connected, the output end of the second switch tube is grounded, the direct-current power supply, the forty-sixth resistor and the anode of the thirty-eighth diode are sequentially and electrically connected, the cathode of the thirty-eighth diode is electrically connected with the input end of the second switch tube, the input end of the second switch tube is electrically connected with the cathode of the thirty-fifth diode, and the anode of the thirty-fifth diode is the output end of the temperature regulation detection module.

In some embodiments, the attemperation detection module further comprises a one hundred forty-seven resistor, and the anode of the thirty-eighth diode, the one hundred forty-seven resistor and the control module are electrically connected in sequence.

In some embodiments, the switch module comprises a third switch tube and a one hundred sixty-nine resistance, wherein the input end of the third switch tube is electrically connected with the direct current power supply, and the output end of the third switch tube is electrically connected with the control module; and the control end of the third switching tube, the one hundred sixty-nine resistance and the output end of the temperature regulation detection module are electrically connected in sequence.

In some embodiments, the switch module further includes a sixty-six resistor and a fourth switch tube, the control module, the sixty-six resistor and the fourth switch tube are electrically connected in sequence, the output end of the temperature adjustment detection module is electrically connected with the input end of the fourth switch tube, and the output end of the fourth switch tube is grounded.

In some embodiments, a voltage reduction module is connected in series between the output end of the third switching tube and the control module.

In some embodiments, the circuit for controlling the temperature outside the warmer further comprises a wind pressure switch, a temperature protector and a wind pressure detection module, wherein the direct current power supply, the wind pressure detection module, the temperature protector, the wind pressure switch and the grounding end are sequentially electrically connected, and the output end of the wind pressure detection module is electrically connected with the control module.

According to the utility model discloses a second aspect, the embodiment of the utility model provides a room heater, including the circuit of the outside accuse temperature of room heater of the arbitrary embodiment of above-mentioned first aspect.

According to a third aspect of the present invention, an embodiment of the present invention provides a circuit for external temperature control of a warmer, comprising a dc power supply, a temperature adjustment detection module, a temperature switch, a control switch, a switch module, and a control module, wherein the dc power supply, the temperature adjustment detection module, the temperature switch, the control switch, and a grounding terminal are electrically connected in sequence; the direct current power supply, the switch module and the control module are electrically connected in sequence, and the output end of the temperature regulation detection module is electrically connected with the switch module; the temperature regulation detection module is used for outputting a detection signal to the switch module according to the on-off states of the control switch and the temperature switch, and the switch module is used for controlling the on-off of a circuit between the direct-current power supply and the control module according to the detection signal of the temperature regulation detection module.

According to the fourth aspect of the present invention, the embodiment of the present invention provides a heating device, including the circuit for controlling temperature outside the heating device according to the third aspect.

The utility model discloses following beneficial effect has at least: the user can connect the temperature switch outside the connection port, the temperature switch can be closed or opened according to the sensed temperature, when the control switch is closed, the temperature adjusting detection module outputs a detection signal to the switch module according to the on-off state of the external temperature switch, the switch module controls the circuit between the direct current power supply and the control module to be switched on or off according to the detection signal of the temperature adjusting detection module, when the circuit between the direct current power supply and the control module is switched on, the control module is switched on to work, the heater can be controlled to be switched on to work, and when the circuit between the direct current power supply and the control module is switched off, the heater stops working; therefore, temperature control can be achieved through the external temperature switch, and compared with a specially developed temperature control board, the temperature switch is easy to replace, low in cost and more convenient to maintain.

Drawings

Fig. 1 is a schematic circuit block diagram of a circuit for controlling temperature outside a heater according to an embodiment of the present invention;

fig. 2 is a schematic circuit diagram of a temperature adjustment detection module according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a switch module and a voltage step-down module according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a control module according to an embodiment of the present invention;

fig. 5 is a schematic circuit block diagram of a circuit for controlling temperature outside the heater according to another embodiment of the present invention;

fig. 6 is a schematic circuit diagram of a wind pressure detection module according to an embodiment of the present invention;

fig. 7 is a schematic circuit block diagram of a circuit for controlling temperature outside a warmer according to another embodiment of the present invention.

Wherein the reference numbers are: the temperature control system comprises a direct current power supply 100, a temperature regulation detection module 200, a connection port 300, a control switch 400, a temperature switch 500, a switch module 600, a control module 700, a wind pressure switch 800, a temperature protector 900, a wind pressure detection module 1000 and a voltage reduction module 1100.

Detailed Description

The present disclosure provides the following description with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the literal meanings, but are used by the inventors to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

The terms "having," "may have," "including," or "may include" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc. Furthermore, it should be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to indicate the presence of the stated features, numbers, operations, elements, components, or combinations thereof, but do not preclude the presence or addition of one or more other features, numbers, operations, elements, components, or combinations thereof.

It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.

An embodiment of the utility model provides a circuit of room heater outside accuse temperature, as shown in fig. 1, including DC power supply 100, the detection module 200 that adjusts the temperature, connection port 300, control switch 400, switch module 600 and control module 700. The dc power supply 100 is used for providing dc power to power corresponding circuit modules, and the dc power supply 100 can provide different voltage signals of 12V, 5V, and the like according to actual needs. The connection port 300 is a port having two connection terminals for connecting an external device. The control switch 400 is a switch of the warmer, and a user can operate the control switch 400 to enable or disable the warmer.

One connecting end of the direct current power supply 100, the temperature adjustment detection module 200 and the connecting port 300 is electrically connected in sequence, the other connecting end of the connecting port 300, the control switch 400 and the ground end are electrically connected in sequence, and the two connecting ends of the connecting port 300 are respectively used for being electrically connected with two ends of the temperature switch 500, so that the temperature switch 500 is switched on or off to control the connection or disconnection between the temperature adjustment detection module 200 and the control switch 400. The dc power supply 100, the switch module 600 and the control module 700 are electrically connected in sequence, and the output end of the temperature adjustment detection module 200 is electrically connected to the switch module 600. The temperature adjustment detection module 200 is configured to output a detection signal to the switch module 600 according to the on-off states of the control switch 400 and the external temperature switch 500, and the switch module 600 is configured to control the circuit between the dc power supply 100 and the control module 700 to be turned on or off according to the detection signal of the temperature adjustment detection module 200.

The working principle of the embodiment is as follows: when the control switch 400 is turned on, if the external temperature switch 500 senses that the room temperature is lower than the set temperature, the temperature switch 500 can be turned on, and the output end of the temperature adjustment detection module 200 outputs a corresponding detection signal to the switch module 600 to control the circuit between the direct current power supply 100 and the control module 700 to be turned on or off; when the circuit between the dc power supply 100 and the control module 700 is turned on, the control module 700 is turned on to operate, the control module 700 can control the heater to start, and when the circuit between the dc power supply 100 and the control module 700 is turned off, the heater stops operating. Therefore, this embodiment just can realize temperature control through external temperature switch, compares in the temperature control board of special development, and temperature switch is liable to change, and is with low costs, and it is more convenient to maintain.

The circuit for controlling the temperature outside the warmer can be applied to an electric warmer or a gas warmer, when the circuit is applied to the electric warmer, the control module controls an electric heating device to work or stop working specifically according to the on-off states of the temperature switch and the control switch, and when the circuit is applied to the gas warmer, the control module controls parts such as an igniter and a gas electromagnetic valve to work or stop working specifically according to the on-off states of the temperature switch and the control switch.

In some embodiments, as shown in fig. 2, the temperature adjustment detection module includes a first switch tube Q100 and a second switch tube Q280, a dc power supply, a third hundred resistor R300, a third hundred twenty resistor R320 and one of the connection ends (temp port in fig. 2) of the connection ports are electrically connected in sequence, one end of the third hundred twenty resistor R320 electrically connected to the third hundred resistor R300, the third hundred twenty-one resistor R321 and the control end of the first switch tube are electrically connected in sequence, the dc power supply is electrically connected to the input end of the first switch tube, and the output end of the first switch tube, the third hundred zero three resistor R303, the third hundred zero four resistor R304 and the ground end are electrically connected in sequence; one end of the third hundred-zero-fourth resistor R304, which is electrically connected with the third hundred-zero-third resistor R303, is electrically connected with the control end of the second switching tube in sequence, the output end of the second switching tube is grounded, the direct current power supply, the forty-sixth resistor R46 and the anode of the thirty-eighth diode D38 are electrically connected in sequence, the cathode of the thirty-eighth diode D38 is electrically connected with the input end of the second switching tube, the input end of the second switching tube is electrically connected with the cathode of the thirty-fifth diode D35, the anode of the thirty-fifth diode D35 is the output end of the temperature regulation detection module, that is, the anode of the thirty-fifth diode D35 is electrically connected with the switching module.

In this embodiment, the first switch Q100 may be a PNP transistor, and the second switch Q280 may be an NPN transistor. The third hundred resistor R300 and the third hundred twenty resistor R320 form a voltage dividing circuit, when the temperature switch and the control switch are both closed, the temp port is grounded, the control end voltage of the first switch tube is pulled low, so that the first switch tube is conducted, the control end of the second switch tube is at a high level, correspondingly, the second switch tube is conducted, and the positive electrode of the thirty-fifth diode D35 outputs a low level to control the switch module to be conducted or disconnected.

Further, the temperature adjustment detection module further includes a one hundred forty-seventeen resistor R147, an anode of the thirty-eighth diode D38, the one hundred forty-seven resistor R147 and the control module (temp-in port of the control module) are electrically connected in sequence, so that the control module can also detect the on-off state of the temperature switch.

In some embodiments, as shown in fig. 3, the switch module includes a third switch Q18 and a one hundred sixty nine resistor R169, an input terminal of the third switch is electrically connected to the dc power supply, and an output terminal of the third switch is electrically connected to the control module; the control end of the third switch tube, the one hundred sixty nine resistor R169 and the output end (DY port in FIG. 3) of the temperature regulation detection module are electrically connected in sequence. The third switch tube Q18 can be an N-channel MOS tube, when the output end of the temperature regulation detection module outputs a low level, the third switch tube is conducted, the control module is electrified to work, and then the heater is controlled to start to work.

Further, the switch module further comprises a sixty-sixth resistor R66 and a fourth switch tube Q40, the control ends of the control module (DY-WC port of the control module), the sixty-sixth resistor R66 and the fourth switch tube Q40 are sequentially and electrically connected, the output end of the temperature regulation detection module is electrically connected with the input end of the fourth switch tube, and the output end of the fourth switch tube is grounded. The fourth switching transistor Q40 may be an NPN-type transistor.

When the output end of the temperature regulation detection module outputs a low level, the third switching tube Q18 is conducted, the control module is electrified to work, a DY-WC port outputs a high level, the conduction of the fourth switching tube Q40 is continuously maintained, and the third switching tube Q18 can be continuously conducted.

In some embodiments, as shown in fig. 3, a voltage dropping module 1100 is connected in series between the output end of the third switching tube and the control module. In this embodiment, the dc power supply provides 12V, and the control module needs 5V, so the voltage can be reduced by the voltage reducing module. Specifically, the buck module 1100 can be applied to the buck chip MP2457.

In some embodiments, as shown in fig. 4, the control module may be a single chip MC96F8316AM. And a pin 28 of the single chip microcomputer chip MC96F8316AM is electrically connected with the switch module, and a pin 15 of the single chip microcomputer chip MC96F8316AM, a sixty-sixth resistor and a control end of the fourth switch tube are electrically connected in sequence.

In some embodiments, as shown in fig. 5, the external temperature control circuit of the warmer of this embodiment further includes a wind pressure switch 800, a temperature protector 900 and a wind pressure detection module 1000, and the dc power supply, the wind pressure detection module 1000, the temperature protector 900, the wind pressure switch 800 and the ground terminal are electrically connected in sequence. The wind pressure switch 800 can detect wind pressure and switch on or off more according to the change of the wind pressure, and the temperature protector 900 is a self-contained device in the warmer and performs temperature control protection according to the change of temperature; the output end of the wind pressure detecting module 1000 is electrically connected to the control module 700, and the wind pressure detecting module 1000 detects the on-off state of the wind pressure switch 800 and outputs a corresponding signal to the control module 700 according to the on-off state of the wind pressure switch 800.

When the wind pressure switch 800 is closed and the temperature protector 900 is not turned off, the control module 700 may control the heater to operate normally. Once the wind pressure switch 800 is turned on or the temperature protector 900 is tripped, the control module 700 can control the heater to stop working, so that the whole machine can automatically run and timely process internal faults.

As shown in fig. 6, the wind pressure detecting module includes a transistor Q101, a resistor R49, a resistor R148, a capacitor C30, a resistor R491, a resistor R301, and a capacitor C310, one end of the resistor R148 electrically connected to the capacitor C30 is electrically connected to the control module, and the base of the transistor Q101, the resistor R301, and the temperature protector are electrically connected in sequence. When the wind pressure switch is closed and the temperature protector is not disconnected, the base electrode of the triode Q101 is grounded, the triode Q101 is conducted, and the fy-in2 port of the control module is at a low level. The wind pressure switch 800 is turned on or the temperature protector 900 is tripped, the base of the triode Q101 is at a high level, the triode Q101 is not conducted, and the fy-in2 port of the control module is at a high level. Thereby, the switching states of the wind pressure switch 800 and the temperature protector 900 can be detected.

An embodiment of the utility model provides a warmer, including any one of the above-mentioned embodiments the outside circuit of accuse temperature of warmer. For the specific description of the circuit for controlling the temperature outside the heater, reference may be made to the above embodiments, which are not described herein again.

The embodiment of the utility model provides a circuit of another kind of room heater outside accuse temperature, as shown in fig. 7, with the difference of above-mentioned embodiment, the circuit of the room heater outside accuse temperature of this embodiment includes temperature switch 500, and DC power supply 100, temperature regulation detection module 200, temperature switch 500, control switch 400 and earthing terminal are connected in order electrically. Therefore, the circuit for controlling the temperature outside the warmer of the present embodiment is provided with the temperature switch 500, and the temperature control can be realized through the temperature switch in the present embodiment.

The embodiment of the utility model also provides a warmer, including the circuit of the room heater external temperature control, as shown in fig. 7, the circuit of the room heater external temperature control includes dc power supply 100, temperature adjustment detection module 200, temperature switch 500, control switch 400, switch module 600 and control module 700, dc power supply 100, temperature adjustment detection module 200, temperature switch 500, control switch 400 and earthing terminal are connected electrically in order; the direct-current power supply 100, the switch module 600 and the control module 700 are electrically connected in sequence, and the output end of the temperature regulation detection module 200 is electrically connected with the switch module 600; the temperature adjustment detection module 200 is configured to output a detection signal to the switch module 600 according to the switching states of the control switch 400 and the temperature switch 500, and the switch module 600 is configured to control the circuit between the dc power supply 100 and the control module 700 to be turned on or off according to the detection signal of the temperature adjustment detection module 200.

The working principle of the embodiment is as follows: when the control switch 400 is turned on, if the temperature switch 500 senses that the room temperature is lower than the set temperature, the temperature switch 500 can be turned on, and the output end of the temperature adjustment detection module 200 outputs a corresponding detection signal to the switch module 600 to control the circuit between the dc power supply 100 and the control module 700 to be turned on or off; when the circuit between the dc power supply 100 and the control module 700 is turned on, the control module 700 is turned on to operate, and the control module 700 can control the heater to operate, and when the circuit between the dc power supply 100 and the control module 700 is turned off, the heater will stop operating. Therefore, the temperature control can be realized through the temperature switch in the embodiment.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims (10)

1. The utility model provides a circuit of room heater outside accuse temperature which characterized in that: the temperature control device comprises a direct current power supply, a temperature regulation detection module, a connection port, a control switch, a switch module and a control module, wherein one connection end of the direct current power supply, the temperature regulation detection module and the connection port is sequentially and electrically connected, the other connection end of the connection port, the control switch and a grounding end are sequentially and electrically connected, and the two connection ends of the connection port are respectively used for being electrically connected with two ends of a temperature switch; the direct current power supply, the switch module and the control module are electrically connected in sequence, and the output end of the temperature regulation detection module is electrically connected with the switch module; the temperature adjusting detection module is used for outputting a detection signal to the switch module according to the on-off state of the control switch and the external temperature switch, and the switch module is used for controlling the circuit between the direct-current power supply and the control module to be switched on or switched off according to the detection signal of the temperature adjusting detection module.

2. The circuit for controlling the temperature outside the warmer according to claim 1, wherein: the temperature regulation detection module comprises a first switch tube and a second switch tube, wherein a direct current power supply, a third hundred resistor, a third hundred twenty resistor and one connecting end of a connecting port are sequentially and electrically connected, one end of the third hundred twenty resistor, which is electrically connected with the third hundred resistor, the third hundred twenty one resistor and a control end of the first switch tube are sequentially and electrically connected, the direct current power supply is electrically connected with an input end of the first switch tube, and an output end of the first switch tube, the third hundred zero three resistor, the third hundred zero four resistor and a grounding end are sequentially and electrically connected; one end of the third-hundred-and-four resistor, which is electrically connected with the third-hundred-and-three resistor, the third-hundred-and-five resistor and the control end of the second switch tube are sequentially and electrically connected, the output end of the second switch tube is grounded, the direct-current power supply, the forty-sixth resistor and the anode of the thirty-eighth diode are sequentially and electrically connected, the cathode of the thirty-eighth diode is electrically connected with the input end of the second switch tube, the input end of the second switch tube is electrically connected with the cathode of the thirty-fifth diode, and the anode of the thirty-fifth diode is the output end of the temperature regulation detection module.

3. A warmer external temperature control circuit according to claim 2, wherein: the temperature regulation detection module further comprises a one hundred forty-seven resistor, and the anode of the thirty-eighth diode, the one hundred forty-seven resistor and the control module are electrically connected in sequence.

4. A warmer external temperature control circuit according to claim 1, wherein: the switch module comprises a third switch tube and a one-hundred-sixty-nine resistance, the input end of the third switch tube is electrically connected with the direct-current power supply, and the output end of the third switch tube is electrically connected with the control module; and the control end of the third switching tube, the one hundred sixty-nine resistance and the output end of the temperature regulation detection module are electrically connected in sequence.

5. The circuit for controlling temperature outside a warmer according to claim 4, wherein: switch module still includes sixty six resistance and fourth switch tube, and control module, sixty six resistance and fourth switch tube's control end electricity in order is connected, the output that adjusts the temperature detection module and the input electricity of fourth switch tube are connected, the output ground connection of fourth switch tube.

6. The circuit for controlling temperature outside a warmer according to claim 4, wherein: and a voltage reduction module is connected between the output end of the third switching tube and the control module in series.

7. A circuit for controlling temperature outside a warmer according to any one of claims 1-6, wherein: the circuit of the external temperature control of the warmer further comprises a wind pressure switch, a temperature protector and a wind pressure detection module, wherein the direct current power supply, the wind pressure detection module, the temperature protector, the wind pressure switch and the grounding end are sequentially electrically connected, and the output end of the wind pressure detection module is electrically connected with the control module.

8. A warmer, its characterized in that: circuit for external temperature control of a warmer, comprising a circuit according to any one of claims 1-7.

9. The utility model provides a circuit of room heater outside accuse temperature which characterized in that: the temperature control device comprises a direct current power supply, a temperature regulation detection module, a temperature switch, a control switch, a switch module and a control module, wherein the direct current power supply, the temperature regulation detection module, the temperature switch, the control switch and a grounding end are sequentially and electrically connected; the direct current power supply, the switch module and the control module are electrically connected in sequence, and the output end of the temperature regulation detection module is electrically connected with the switch module; the temperature regulation detection module is used for outputting a detection signal to the switch module according to the on-off states of the control switch and the temperature switch, and the switch module is used for controlling the on-off of a circuit between the direct-current power supply and the control module according to the detection signal of the temperature regulation detection module.

10. A warmer, its characterized in that: a circuit for external temperature control of a warmer as claimed in claim 9.

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