CN220321448U

CN220321448U - Heat supply control device

Info

Publication number: CN220321448U
Application number: CN202321976123.XU
Authority: CN
Inventors: 王建利; 任国华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-09
Anticipated expiration: 2033-07-26

Abstract

The heat supply control device comprises an electric proportional valve, a power supply module, a detection circuit, a wireless transmitting circuit module, a trigger circuit and a receiving circuit; one end of the electric proportional valve is connected with a heat supply inlet pipe, and the other end of the electric proportional valve is connected with a heat supply pipe of the indoor heater; the detection circuit, the wireless transmitting circuit module, the triggering circuit and the first power supply module are arranged in the element box and are electrically connected; the receiving circuit and the second set of power supply modules are arranged in the component box A and are electrically connected. The utility model discloses when indoor distal end temperature is higher than or is less than the setting value, wireless transmitting circuit module can correspond and send out different control signal, can output different voltage signal to electronic proportional valve respectively after receiving the circuit receives, and electronic proportional valve can expand or reduce as required, case degree of opening like this, and the temperature in corresponding region can rise or reduce, has realized automatic control temperature, has brought convenience for the user, and corresponding energy-conservation.

Description

Heat supply control device

Technical Field

The utility model relates to the technical field of control equipment, in particular to a heat supply control device.

Background

In winter with cold weather, particularly in northern areas, heat supply companies can use boilers and the like to perform central heat supply on users. The air inlet pipe and the heat supply pipe of the warmer in the user's home are connected in parallel, and the exhaust pipe and the return pipe (returning to the heat supply company) of the warmer are connected. In order to control the heat of a heating area in a home, a user usually controls the opening and closing degree of a valve connected with a heating pipe, so as to control the flow of hot air, and realize the purpose of controlling the heating area to be at different temperatures.

Because the temperature of the relevant area is controlled manually, when the heat of the relevant area is insufficient (such as the furthest end of the heating area of the corresponding room), the opening degree of the valve needs to be manually adjusted by a user to the valve (the temperature of the corresponding area is excessively low due to the non-adjustment), and correspondingly, when the heat of the corresponding area is excessively high, the opening degree needs to be manually closed by the user to the valve (the temperature of the corresponding area is excessively high due to the non-adjustment). The above-mentioned frequent adjustment brings inconvenience to users, and the corresponding heat energy waste is also caused when the heat supply is too large. The applicant has not searched the technical proposal similar to the application such as the key words of "automatic heating valve", "heating control mechanism" and the like input by the national bureau and the professional patent search website, and has very need to provide a device capable of adjusting the temperature according to the on-site temperature.

Disclosure of Invention

In order to overcome the defect that the prior heating valve is limited in structure and needs a user to manually adjust the opening and closing degree of the valve core, the utility model provides a heating control device which can conveniently set a detection head at the far end of a heating area, respectively send different instruction wireless signals when the temperature of the corresponding area is too high or too low, respectively control the valve core of an electric proportional valve to be at different opening degrees after receiving different instruction signals by a receiving circuit, effectively meet the heating foundation and realize the aim of saving heat energy.

The technical scheme adopted for solving the technical problems is as follows:

the heat supply control device comprises an electric proportional valve, a power supply module and is characterized by also comprising a detection circuit, a wireless transmitting circuit module, a trigger circuit and a receiving circuit; one end of the electric proportional valve is connected with a heat supply inlet pipe, and the other end of the electric proportional valve is connected with a heat supply pipe of the indoor heater; the device comprises a heater, a detection circuit, a wireless transmitting circuit module, a triggering circuit, a first power module, a second power module, a third power module and a power module, wherein the two sets of power modules are arranged in an element box, and the element box is arranged at the farthest end of the room far away from the heater; the signal output end of the detection circuit is electrically connected with the signal input end of the trigger circuit; the receiving circuit and the second set of power supply module are arranged in the element box A, and the signal output end of the receiving circuit is electrically connected with the signal input end of the electric proportional valve.

Further, the detection circuit comprises a thermistor and a resistor which are electrically connected, and one end of the thermistor is connected with one end of the resistor.

Further, the trigger circuit comprises a resistor, an NPN triode and a relay which are electrically connected, wherein one end of the first resistor is connected with one end of the second resistor and one end of the third resistor, the other end of the second resistor is connected with the base electrode of the NPN triode, the other end of the third resistor is connected with the emitter of the NPN triode and the negative power input end of the first relay, the collector of the NPN triode is connected with the negative power input end of the second relay, the control power input end of the second relay is connected with the positive power input end of the second relay, and the normally open contact end of the first relay is connected with the positive power input end of the second relay.

Further, the receiving circuit is matched with a wireless receiving circuit module, the first path and the second path of receiving circuits comprise three resistors which are electrically connected, one end of the first resistor is connected with one end of the second resistor, one end of the third resistor is connected with one end of the second resistor, and the other ends of the first resistors of the two paths of receiving circuits are respectively connected with two paths of power supply output ends of the wireless receiving circuit module.

Further, the resistance value of the first resistor of the two-way receiving circuit is inconsistent.

Further, the relay control contact end and the normally closed contact end of the two-way trigger circuit, the relay control contact end and the normally open contact end are respectively connected with the first wireless signal transmitting key and the second wireless signal transmitting key of the wireless transmitting circuit module.

The utility model has the beneficial effects that: (1) The novel element box provided with the detection circuit, the wireless transmitting circuit module, the triggering circuit and the first power supply module can be conveniently arranged at any position which is far away from the far end of the warmer indoors, so that temperature data of a relevant area can be effectively collected, and data is provided for the follow-up effective control of indoor temperature; (2) In the utility model, when indoor distal end temperature is higher than or is less than the setting value, wireless transmitting circuit module can correspond to send out different control signal, can output different voltage signal to electronic proportional valve respectively after receiving circuit receives, and electronic proportional valve can enlarge or reduce as required, case degree of opening like this, and the temperature in corresponding region can rise or reduce, has realized automated control temperature purpose, has brought the facility for the user, and has realized energy-conserving purpose correspondingly.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a schematic view of the whole three-dimensional structure and a partial enlarged structure of the present utility model.

Fig. 2 and 3 are circuit diagrams of the present utility model.

In fig. 1, 2 and 3, D3 is an electric proportional valve, D1 and D2 are power supply modules, 1 is a detection circuit, D4 is a wireless transmission circuit module, 2 is a trigger circuit, 3 is a receiving circuit, 5 is an element box, 6 is an element box a, and 7 is a warmer.

Detailed Description

The heat supply control device comprises an electric proportional valve D5, power supply modules D1 and D2, a detection circuit 1, a wireless transmitting circuit module D4, a trigger circuit 2 and a receiving circuit 3, wherein the power supply modules D1 and D2 are shown in figures 1, 2 and 3; one end of the electric proportional valve D5 is in threaded connection with a municipal heating household pipe, and the other end of the electric proportional valve D5 is in threaded connection with the air inlet end of the indoor heater heating pipe 4; the two sets of power supply modules are arranged, the detection circuit 1, the wireless transmitting circuit module D4, the trigger circuit 2 and the first set of power supply module D1 are arranged on a circuit board in the element box 5, and the element box 5 is arranged at the farthest end, far away from the warmer, in a room; the receiving circuit 3 and the second set of power supply modules D2 are arranged on a circuit board in the component box A6, and the component box A6 is arranged at the valve side end of the electric proportion D3.

As shown in fig. 1, 2 and 3, the detection circuit comprises a thermistor RT and a resistor R1 which are connected by a wire, one end of the thermistor RT is connected with one end of the resistor R1, and a temperature sensing surface of the thermistor RT is positioned outside an opening at the front end of the element box 5. The trigger circuit comprises resistors R2, R3 and R4 which are connected through wires, an NPN triode Q and a relay K, K, wherein one end of the first resistor R2 is connected with one end of the second resistor R4 and one end of the third resistor R3, the other end of the second resistor R4 is connected with a base electrode of the NPN triode Q, the other end of the third resistor R3 is connected with an emitter electrode of the NPN triode Q, a negative electrode power supply input end of a first relay K1 is connected, a collector electrode of the NPN triode Q is connected with a negative electrode power supply input end of the second relay K, a control power supply input end of the second relay K is connected with a positive electrode power supply input end, and a normally open contact end of the first relay K is connected with a positive electrode power supply input end of the second relay K1. The receiving circuit is matched with a wireless receiving circuit module D3, the first path of receiving circuit comprises three resistors R14, R15 and R16 which are connected through wires, one end of the first resistor R14 is connected with one end of the second resistor R15 and one end of the third resistor R16, the second path of receiving circuit comprises three resistors R17, R18 and R19 which are connected through wires, one end of the first resistor R17 is connected with one end of the second resistor R18 and one end of the third resistor R19, and the other ends of the first resistors R14 and R17 of the two paths of receiving circuit are respectively connected with two paths of power output ends 3 and 4 pins of the wireless receiving circuit module D4. The first resistors R14 and R17 of the two-way receiving circuit have different resistance values, and the resistance value of the resistor R14 is lower than the resistance value of the resistor R17.

As shown in fig. 1, 2 and 3, the power input ends 1 and 2 pins of the first power module D1 and the two poles of the ac 220V power supply are respectively connected by wires, the power output ends 3 and 4 pins of the first power module D1 and the other end of the thermistor RT and the other end of the resistor R1 of the power input end of the detection circuit, the power input ends 1 and 2 pins of the wireless transmitting circuit module D4 and the positive power input end of the relay K and the negative power input end of the relay K1 of the trigger circuit are respectively connected by wires, and the signal output end of the thermistor RT and the other end of the signal input end resistor R2 of the trigger circuit of the detection circuit are respectively connected by wires. The power input ends 1 and 2 pins of the second set of power module D2 are respectively connected with two poles of an alternating current 220V power supply through wires, the power output ends 3 and 4 pins of the second set of power module D2 are respectively connected with the other ends of the power input end resistors R14 and R17 of the two paths of receiving circuits, the power input ends 1 and 2 pins of the electric proportional valve D5 are respectively connected through wires, and the other ends of the signal output end resistors R15 and R18 of the receiving circuits are respectively connected with the signal input ends 3 and 4 pins of the electric proportional valve D5 through wires. The relay K control contact end and the normally closed contact end of the trigger circuit, the relay K1 control contact end and the normally open contact end of the trigger circuit are respectively connected with the first wireless signal transmitting key S1 and the second wireless signal transmitting key S2 of the wireless transmitting circuit module D4.

In fig. 2 and 3, the power supply modules D1 and D2 are finished products of a switching power supply module from ac 220V to dc 12V; the thermistor RT is a negative temperature coefficient thermistor of the NTC 103D; the model Q of the NPN triode is 9013; the resistances of the resistors R1, R2, R3, R4, R14, R15, R16, R17, R18 and R19 are respectively 11.3K, 8K, 12K, 4K, 8K, 10K, 5K, 7K and 10K; the wireless transmitting circuit module D4 and the wireless transmitting circuit module D3 are finished products of wireless transmitting and receiving components (the structures and the functions of the wireless transmitting and receiving modules are completely consistent with those of the wireless receiving and transmitting modules for vehicles) with the model WX 12V; the relay K, K is a 12V relay; the model Q of the NPN triode is 9013; the thermistor RT is a negative temperature coefficient thermistor of the model NTC-MF52 AT; the electric proportional valve D5 is an electric proportional integral valve finished product of the model ML7420A8088-E, and is provided with two power input ends and one signal input end, when voltage signals with different magnitudes are input to the signal input ends, the opening and closing degree of the valve core can be changed, and the higher the voltage is, the larger the valve core is opened and closed, and otherwise, the smaller the valve core is.

As shown in fig. 1, 2 and 3, after the first set of power module D1 is powered on, the 3 and 4 pins of the power module D1 output a stable direct current 12V power to the power input ends of the wireless transmitting circuit module D4, the detecting circuit and the triggering circuit, and the circuits are powered on. After the second set of power supply module D2 is powered on, the 3 and 4 pins of the power supply module D2 output stable direct current 12V power to the power input ends of the wireless receiving circuit module D3, the receiving circuit and the electric proportional valve D5, and the circuits are powered on. The utility model discloses installation detection circuitry and wireless transmitting circuit module, trigger circuit, first set power module's component box can conveniently install in the room and keep away from room heater 7 (also called the heating piece) distal end arbitrary position through screw etc. can effectively gather the temperature data in relevant region like this, for follow-up effective control indoor temperature provides data. When the indoor temperature far away from the warmer is lower than a certain temperature (for example lower than 28 ℃), the resistance value of the thermistor RT is relatively large, the voltage division between the thermistor RT and the resistor R1 is relatively large, so that the 12V direct-current power supply is divided by the thermistor RT and the resistor R1, then divided by the resistor R2 and the resistor R3, the voltage and the current of the resistor R4 are reduced, the base electrode of the NPN triode Q is lower than 0.7V, the NPN triode Q1 is cut off, then the relay K loses electricity, the control contact end and the normally closed contact end are closed, and as the two contacts under the first wireless signal transmitting key S1 of the wireless transmitting circuit module D4 are respectively connected with the control contact end and the normally closed contact end of the relay K, the moment is equal to the manual pressing of the transmitting key S1, and the wireless transmitting circuit module D4 can transmit a first path of wireless closing signal. When the indoor temperature far away from the warmer is higher than a certain temperature (for example, higher than 28 ℃), the voltage division between the resistance value of the thermistor RT and the resistor R1 is relatively low, so that the voltage division between the 12V direct-current power supply and the resistor R1 is carried out through the thermistor RT and the resistor R1, then the voltage division is carried out through the resistor R2 and the resistor R3, the voltage reduction and the current limiting of the resistor R4 are carried out, the base electrode of the NPN triode Q is higher than 0.7V, the conduction collector electrode of the NPN triode Q outputs low level to enter the negative power supply input end of the relay K, then the relay K is electrically attracted with the control contact end and the normally closed contact end of the relay K to be opened, the control contact end and the normally open contact end of the relay K are electrically attracted with the relay K to be closed, and then the control contact end and the normally open contact end of the relay K1 are electrically attracted with the relay K1 to be closed, and the two contacts under the second wireless signal transmitting key S2 of the wireless transmitting circuit module D4 are respectively connected with the control contact end and the normally closed contact end of the relay K1, the relay K1 is equivalent to the manual transmitting key S2, and the wireless transmitting circuit module D4 can send a second wireless closed signal.

As shown in fig. 1, 2 and 3, when the wireless transmitting circuit module D4 transmits the first path or the second path of wireless closing signal, the wireless receiving circuit module D3 outputs a high level to the other end of the resistor R14 or R17 after receiving the signal. When the 3-pin of the wireless receiving circuit module D3 outputs high level, the high level is divided by the resistors R14 and R16, the resistor R15 reduces the voltage and limits the current, and the signal enters the signal input end 3-pin of the electric proportional valve D5 to be about 8V (the voltage between the resistors R14 and R15 is relatively small), the valve core opening and closing degree of the electric proportional valve D5 is relatively large under the action of an internal mechanism, so that the hot gas output by the warmer is relatively large, and the temperature of the far end is increased in a relatively short time. When the 4-pin of the wireless receiving circuit module D3 outputs high level, the high level is divided by the resistors R19 and R18, the resistor R17 reduces the voltage and limits the current, and the signal enters the signal input end 3 pin of the electric proportional valve D5 to be about 7V (the voltage between the resistors R17 and R19 is relatively large), the valve core opening and closing degree of the electric proportional valve D5 is relatively small under the action of an internal mechanism, so that the hot gas output by the heater is relatively small, and the temperature of the far end is gradually reduced in a relatively short time. Through the above-mentioned, this novel keep away from room heater distal end temperature in the room is higher than certain or be less than the case switching degree that can be relatively small or turn up electric proportional valve with a definite time, has realized the temperature control in each region in the room, can provide suitable heat for the region of keeping away from the room heater distal end, and because need not artificial regulation to play automatic control effect, brought the facility for the user to corresponding energy-conserving purpose of having realized.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be mechanically connected, directly connected or indirectly connected through an intermediate medium, and can be communicated inside the two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The heat supply control device comprises an electric proportional valve, a power supply module and is characterized by also comprising a detection circuit, a wireless transmitting circuit module, a trigger circuit and a receiving circuit; one end of the electric proportional valve is connected with a heat supply inlet pipe, and the other end of the electric proportional valve is connected with a heat supply pipe of the indoor heater; the device comprises a heater, a detection circuit, a wireless transmitting circuit module, a triggering circuit, a first power module, a second power module, a third power module and a power module, wherein the two sets of power modules are arranged in an element box, and the element box is arranged at the farthest end of the room far away from the heater; the signal output end of the detection circuit is electrically connected with the signal input end of the trigger circuit; the receiving circuit and the second set of power supply module are arranged in the element box A, and the signal output end of the receiving circuit is electrically connected with the signal input end of the electric proportional valve.

2. A heating control device according to claim 1, wherein the detection circuit comprises a thermistor and a resistor electrically connected, the thermistor being connected at one end to one end of the resistor.

3. A heating control device according to claim 1, wherein the trigger circuit comprises an electrically connected resistor, an NPN triode and a relay, wherein one end of the first resistor is connected with one end of the second resistor, one end of the third resistor is connected with the base electrode of the NPN triode, the other end of the second resistor is connected with the emitter of the NPN triode, the negative power input end of the first relay, the collector of the NPN triode is connected with the negative power input end of the second relay, the control power input end of the second relay is connected with the positive power input end of the second relay, and the normally open contact end of the first relay is connected with the positive power input end of the second relay.

4. A heating control device according to claim 1, wherein the receiving circuit is provided with a wireless receiving circuit module, the first receiving circuit and the second receiving circuit each comprise three resistors electrically connected, one end of the first resistor is connected with one end of the second resistor, one end of the third resistor is connected with one end of the third resistor, and the other ends of the first resistors of the two receiving circuits are respectively connected with two power supply output ends of the wireless receiving circuit module.

5. A heating control device according to claim 4, wherein the first resistors of the two receiving circuits have different resistance values.

6. A heating control device according to claim 3, wherein the relay control contact end and the normally closed contact end of the two-way trigger circuit, the relay control contact end and the normally open contact end are respectively connected with the first wireless signal transmitting button and the second wireless signal transmitting button of the wireless transmitting circuit module.