CN206713087U - A kind of electric calorifie installation control circuit - Google Patents
A kind of electric calorifie installation control circuit Download PDFInfo
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- CN206713087U CN206713087U CN201720296915.0U CN201720296915U CN206713087U CN 206713087 U CN206713087 U CN 206713087U CN 201720296915 U CN201720296915 U CN 201720296915U CN 206713087 U CN206713087 U CN 206713087U
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- control unit
- resistance
- power supply
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- 238000009434 installation Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000008236 heating water Substances 0.000 claims abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 230000001012 protector Effects 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 10
- 241000251468 Actinopterygii Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001699 lower leg Anatomy 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
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Control Of Resistance Heating (AREA)
Abstract
The utility model provides a kind of electric calorifie installation control circuit, including power supply, governor circuit, safety circuit, heater block；Power supply is connected with governor circuit and safety circuit, for being powered for governor circuit and safety circuit；Governor circuit is connected with heater block and safety circuit, and governor circuit is in parallel with safety circuit；Governor circuit includes the first control unit and the first temperature responsive unit, and the first control unit is connected with the first temperature responsive unit and heater block；Safety circuit is connected with power supply, and safety circuit includes the second control unit and the second temperature responsive unit, and the second control unit is connected with the second temperature responsive unit and power supply；The water temperature that second control unit detects according to the second temperature responsive unit controls the connection of heater block and power supply；Heater block, for heating water.When governor circuit can not control the break-make of heater block to cause temperature too high extremely, the second control unit cuts off the connection of heater block and power supply, so as to effectively prevent water temperature over-high.
Description
Technical field
Existing Shui nationality electronic temperature control heating rod is the utility model is related to, electricity is controlled more particularly to a kind of electric calorifie installation
Road.
Background technology
The control loop of existing Shui nationality electronic temperature control heating rod：
1. single temperature responsive unit number of winning the confidence is used, the on/off of single control loop and single control unit control heating rod.It is single
Temperature responsive unit, single control loop and single control unit mode, can't resolve " temperature responsive unit is broken ", " individual signals control back
Road is abnormal ", " individual signals control unit " and the water temperature that occurs rises the problem of more than, so as to cause ornamental fish death by accident；
2. using double temperature responsive unit numbers of winning the confidence, micro- outer reason device judges processing water temperature control signal, single signal control loop
With the on/off of individual signals control unit control heating rod.Double temperature responsive units, micro- outer reason signal judgement processing, single control back
Road, individual signals control unit, solve the problems, such as temperature responsive unit just in case occur it is bad cause water temperature upper body, but can not solve because
" microprocessor signal judges to go wrong " " single signal control loop goes wrong " " single control unit goes wrong " occurs
Water temperature rise more than, cause ornamental fish death by accident.
Utility model content
Technical problem to be solved in the utility model is：Asking for potential safety hazard be present in existing heater control circuit
Topic, proposes a kind of heater control circuit.
Technical problem of the present utility model is solved by following technical scheme：A kind of electric calorifie installation control circuit,
Including power supply, governor circuit, safety circuit, heater block；
The power supply is connected with the governor circuit and the safety circuit, for for the governor circuit and the safety
Circuit is powered；
The governor circuit is connected with the heater block and the safety circuit, the governor circuit and the safety electricity
Road is in parallel；The governor circuit includes the first control unit and the first temperature responsive unit, first control unit and described first
Temperature responsive unit and heater block connection；
The safety circuit is connected with the power supply, and the safety circuit includes the second control unit and the second temperature-sensitive list
Member, second control unit are connected with second temperature responsive unit and the power supply；Second control unit is according to
The water temperature of second temperature responsive unit detection controls the connection of the heater block and the power supply；
The heater block, for heating water.
Specifically, first control unit includes controllable silicon TR1 and/or relay RL1；The second control unit bag
Include controllable silicon TR2.
More specifically, the governor circuit also includes electric capacity C30, resistance R37；One end of the electric capacity C30 and the electricity
R37 connections are hindered, the other end of the electric capacity C30 connects the T1 pin of the controllable silicon TR1 and one end of the relay RL1, institute
The other end for stating resistance R37 connects the T2 pin of the controllable silicon TR1 and the other end of the relay.
Specifically, the electric calorifie installation control circuit also includes temperature display charactron, connects the governor circuit, is used for
Show measurement temperature.
Specifically, the electric calorifie installation control circuit also includes setting display charactron, connects the governor circuit, is used for
Design temperature.
Specifically, the safety circuit include resistance R48, resistance R49, overheat protector TP, the resistance R48 with it is described
Resistance R49 is in parallel, and the resistance R48 is connected second control unit with one end of the resistance R49, the resistance R48 and
The other end of the resistance R49 connects one end of the overheat protector TP, the other end of the overheat protector TP with it is described
Heater block and power supply connection.
Specifically, first temperature responsive unit or the second temperature responsive unit include at least one heat-sensitive element.
Specifically, the governor circuit also includes first microprocessor, with first temperature responsive unit and first control
Unit connection processed, for controlling the on-off of first control unit；The governor circuit includes the second microprocessor, with institute
The second temperature responsive unit and second control unit connection are stated, for controlling the on-off of second control unit.
Specifically, the safety circuit is provided with indicator lamp LED3, is connected with resistance R47 and resistance R46, for prompting water temperature
It is too high.
The beneficial effect that the utility model is compared with the prior art includes：Governor circuit shares power supply with safety circuit, main
The water temperature that the first control unit in control circuit detects according to the first temperature responsive unit is switched on or switched off the connection with heater block, control
Water temperature processed；The water temperature that the second control unit in the safety circuit detects according to the second temperature responsive unit control heater block with
The connection of the power supply；When governor circuit can not control the break-make of heater block to cause temperature too high extremely, returned in difference
The second control unit in road cuts off the connection of heater block and power supply according to the abnormal water temperature that the second temperature responsive unit detects,
So as to effectively prevent water temperature over-high.
Brief description of the drawings
Fig. 1 is the circuit structure diagram in the utility model embodiment.
Fig. 2 is the circuit diagram in the utility model embodiment.
Embodiment
Below against accompanying drawing and with reference to preferred embodiment, the utility model is described in further detail.
Embodiment 1
A kind of electric calorifie installation control circuit, as shown in Figure 1-2, including power supply, governor circuit, safety circuit, heater block；
The power supply is connected with the governor circuit and the safety circuit, for for the governor circuit and the safety
Circuit is powered；AC220V1 connects a piezo-resistance MOV and electric capacity C1 pin, pressure by current insurance silk F1, the F1 other end
Quick resistance MOV connects AC220V2 with electric capacity C1 another pin, so forms the power supply；
The governor circuit is connected with the heater block and the safety circuit, the governor circuit and the safety electricity
Road is in parallel；The governor circuit includes the first control unit and the first temperature responsive unit, first control unit and described first
Temperature responsive unit and heater block connection；
The safety circuit is connected with the power supply, and the safety circuit includes the second control unit and the second temperature-sensitive list
Member, second control unit are connected with second temperature responsive unit and the power supply；Second control unit is according to
The water temperature of second temperature responsive unit detection controls the connection of the heater block and the power supply；
The heater block, for heating water.In this embodiment, the heater block is what heater strip was formed
Heating rod.
First temperature responsive unit is in two different circuits from the second temperature responsive unit, the independent monitoring water temperature of energy, also may be used
To be superimposed multiple temperature responsive units in parallel.
In this embodiment, first control unit includes controllable silicon TR1 and relay RL1；Described second
Control unit includes controllable silicon TR2.The compound element processed of controllable silicon TR1 and relay the RL1 composition is more reliable, TR1 work
Action with the contact loop for being guarantee RL1 is more reliable；The cooling requirements of controllable silicon TR1 heat sinks are also mitigated simultaneously, are reduced
The size of first control unit.In other embodiments, first control unit can also only include controllable silicon or
Relay.
Specifically, the governor circuit also includes electric capacity C30, resistance R37；One end of the electric capacity C30 and the resistance
R37 connections, the other end of the electric capacity C30 connects the T1 pin of the controllable silicon TR1 and one end of the relay RL1, described
The resistance R37 other end connects the T2 pin of the controllable silicon TR1 and the other end of the relay.
In this embodiment, the electric calorifie installation control circuit also includes temperature display charactron, described in connection
Governor circuit, for showing measurement temperature.
In this embodiment, the electric calorifie installation control circuit, which also includes setting, shows charactron, described in connection
Governor circuit, for design temperature.In this specific embodiment, the threshold value of set temperature is the viable highest temperature of fish
35 DEG C of degree.
In this embodiment, the safety circuit includes resistance R48, resistance R49, overheat protector TP, described
Resistance R48 is in parallel with the R49, and the R48 is connected second control unit with one end of the R49, the resistance R48 with
The other end of the resistance R49 connects one end of the overheat protector TP, the other end of the overheat protector TP with it is described
Heater block and power supply connection.
It should be noted that when the second temperature responsive unit experiences water temperature exception rising and reaches threshold value, the second temperature responsive unit
In controllable silicon TR2 lead to, resistance R48, resistance R49 heating powers, triggering overheat protector TP action, cut-out heating rod and electricity
The connection in source, prevents water temperature from rising.Water temperature governor circuit and safety return circuit are cooperated and restricted, and are prevented in the exception of water temperature
Rise, so as to ensure the safety of ornamental fish.
In this embodiment, first temperature responsive unit or the second temperature responsive unit include a heat-sensitive element.
In other examples, first temperature responsive unit or the second temperature responsive unit can also include multiple thermo-responsive members as needed
Part.
In this embodiment, the governor circuit also includes first microprocessor, with first temperature responsive unit
And the first control unit connection, for controlling the on-off of first control unit；The governor circuit includes second
Microprocessor, it is connected with second temperature responsive unit and second control unit, for controlling second control unit
On-off.
In this embodiment, the safety circuit is provided with indicator lamp LED3, is connected with resistance R47 and resistance R46,
For prompting water temperature over-high.
As shown in Fig. 2 include for the circuit diagram structure in present embodiment：
Power supply part：AC220V1 connects the one of piezo-resistance MOV and electric capacity C1 by current insurance silk F1, the F1 other end
Branch pin, piezo-resistance MOV and electric capacity C1 another pin connect AC220V2, so form power sharing part.
Water temperature governor circuit part：Master control power generation circuit includes common mode inductance L1, bridge rectifier diode D1, D2,
D3, D4, electric capacity C3, resistance R19, electric capacity C4, diode D3, power supply chip IC2, electric capacity C7, electric capacity C8, C10, diode D4,
Transformer T1, optocoupler PC2, resistance R20, R22, R21, R23, electric capacity C12, C18, C13, C14, power supply chip IC3 power supply chips
IC4 forms DC12V and DC5V generation circuits, supplies DC5V to main control loop chip IC 1, DC12V is supplied to relay RL1.It is thermo-responsive
Element is experienced loop and is made up of heat-sensitive element TH1, resistance R18, resistance R17, electric capacity C16, electric capacity C19.Heat-sensitive element TH1
One termination DC5V, another termination R18, C16, C19, R17 one end, R18, C16, C19 other end are connected, and connect DC5V ground
End, the water temperature change of heat-sensitive element TH1 impressions experiences loop through thermal sense element and is converted into electric signal, through the another of R17
Microprocessor IC1 crus secunda is passed at end, after microprocessor inter-process, passes control signal through the pin of IC1 the 27th and the 26th pin
To control loop.Control loop is by resistance R4, resistance R2, resistance R3, resistance R1, resistance R37, electric capacity C30, PNP type triode
Q2 and Q3, controllable silicon TR1, diode D6 and optocoupler PC1 are formed, R4 and R2 one end respectively with IC1 the 27th pin and the 26th pin
It is connected, the R4 other end is connected with Q2 base stage, and Q2 colelctor electrode is connected with R3 one end, and Q2 emitter-base bandgap grading connects power supply DC5V's
Ground, the R3 other end connection pin of PC1 the 2nd, PC1 the first pin meet DC12V, PC1 the 3rd pin and controllable silicon TR1 T2 pin, R37
One end, the terminals of relay one are connected, and PC1 the 4th pin is connected with R1 one end with G pin, the R1 other end and AC220V2,
C30 one end, TR1 T1, relay another terminals connection, the C30 other end are connected with R37 one end, and R2's is another
Terminate Q1 base stage, the Q1 negative pole of collector connecting relay RL1 control terminals and D6 positive pole, D6 positive pole and relay RL1
Control just terminate DC12V.Relay RL1 another terminals are all connected with controllable silicon TR1 T2 with one end of heating wire, electricity
The CA ends of the overheat protector of the other end CA access safety return circuits of heated filament.By IC1 control signal relay is controlled through R4 and R2
Device RL1 break-make, so as to control water temperature to heating wire power supply.
Safety circuit part：Safety circuit is by resistance R40, resistance R41, resistance R42, resistance R43, resistance R44, resistance
R45, resistance R46, resistance R47, resistance R48, resistance R49, diode D11, diode D10, diode D14, voltage-stabiliser tube ZD, hair
Optical diode LED, electric capacity C40, electric capacity C41, electric capacity C42, electric capacity C43, controllable silicon TR2, overheat protector TP, comparator IC5
Form safety circuit.Power supply AC220V1 and R47 one end, voltage-stabiliser tube ZD negative poles, electric capacity C43 positive poles, comparator IC5 the 8th pin,
Resistance R42, resistance R43 one end, diode D10 negative pole, controllable silicon TR2 T1 pin are connected, D10 positive pole and the one of R41
End, C40 one end, D11 negative poles are connected, and the R41 other end, the C40 other end are connected with R40 one end, the R40 other end
It is connected with AC220V2, D11 anode and heat-sensitive element TH2 one end, C42 one end, R44 one end, comparator IC5
4th, 5,6 pin be connected, the R42 other end and the heat-sensitive element TH2 other end, the C42 other end, the C41 other end, R45
One end, IC5 the 3rd pin be connected, the R43 other end is connected with the C41 other end, the R44 other end, IC5 the 2nd pin, IC5
The 1st pin be connected with D14 negative pole, the negative pole of light emitting diode, R46 one end, D14 positive pole is connected with the R45 other end,
The positive pole of light emitting diode is connected with the R47 other end, and the R46 other end is connected with controllable silicon TR2 G pin, TR2 T2 pin and
R48 is connected with R49 one end, R48 and R49 other end access AC220V2, overtemperature protection in the CA termination entry loops of heating wire
Device TP CA ends, the another of overheat protector TP terminate to AC220V1.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the utility model person of ordinary skill in the field
For, without departing from the concept of the premise utility, some equivalent substitutes or obvious modification, and performance can also be made
Or purposes is identical, the scope of protection of the utility model should be all considered as belonging to.
Claims (10)
- A kind of 1. electric calorifie installation control circuit, it is characterised in that：Including power supply, governor circuit, safety circuit, heater block；The power supply is connected with the governor circuit and the safety circuit, for for the governor circuit and the safety circuit Power supply；The governor circuit is connected with the heater block and the safety circuit, and the governor circuit and the safety circuit are simultaneously Connection；The governor circuit includes the first control unit and the first temperature responsive unit, first control unit and first temperature-sensitive Unit and heater block connection；The safety circuit is connected with the power supply, and the safety circuit includes the second control unit and the second temperature responsive unit, institute The second control unit is stated to be connected with second temperature responsive unit and the power supply；Second control unit is according to the described second heat The water temperature of quick unit detection controls the connection of the heater block and the power supply；The heater block, for heating water.
- 2. electric calorifie installation control circuit as claimed in claim 1, it is characterised in that：First control unit includes controllable silicon TR1 and/or relay RL1；Second control unit includes controllable silicon TR2.
- 3. electric calorifie installation control circuit as claimed in claim 2, it is characterised in that：The governor circuit also include electric capacity C30, Resistance R37；One end of the electric capacity C30 is connected with the resistance R37, and the other end of the electric capacity R30 connects the controllable silicon One end of TR1 T1 pin and the relay RL1, the other end of the resistance R37 connect T2 pin and the institute of the controllable silicon TR1 State the other end of relay.
- 4. electric calorifie installation control circuit as claimed in claim 1, it is characterised in that：The electric calorifie installation control circuit also includes Temperature display charactron, the governor circuit is connected, for showing measurement temperature.
- 5. electric calorifie installation control circuit as claimed in claim 1, it is characterised in that：The electric calorifie installation control circuit also includes Setting shows charactron, the governor circuit is connected, for design temperature.
- 6. electric calorifie installation control circuit as claimed in claim 1, it is characterised in that：The safety circuit includes resistance R48, electricity R49, overheat protector TP are hindered, the resistance R48 is in parallel with the R49, and the resistance R48 and resistance R49 one end connects Second control unit is connect, the resistance R48 is connected the one of the overheat protector TP with the other end of the resistance R49 End, the other end of the overheat protector TP are connected with the heater block and the power supply.
- 7. electric calorifie installation control circuit as claimed in claim 1, it is characterised in that：First temperature responsive unit or the second temperature-sensitive Unit includes at least one heat-sensitive element.
- 8. electric calorifie installation control circuit as claimed in claim 1, it is characterised in that：The governor circuit also includes first micro- place Manage device, be connected with first temperature responsive unit and first control unit, for control first control unit lead to or It is disconnected；The governor circuit includes the second microprocessor, is connected, is used for second temperature responsive unit and second control unit Control the on-off of second control unit.
- 9. electric calorifie installation control circuit as claimed in claim 1, it is characterised in that：The governor circuit is provided with indicator lamp LED1, it is connected with control unit, is used to refer to the energization of described control unit or disconnects situation；And/or the governor circuit is set There is warning device, be connected with control unit, when water temperature over-high, send alarm.
- 10. electric calorifie installation control circuit as claimed in claim 1, it is characterised in that：The safety circuit is provided with indicator lamp LED3, it is connected with resistance R47 and resistance R46, for prompting water temperature over-high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296915.0U CN206713087U (en) | 2017-03-24 | 2017-03-24 | A kind of electric calorifie installation control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296915.0U CN206713087U (en) | 2017-03-24 | 2017-03-24 | A kind of electric calorifie installation control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206713087U true CN206713087U (en) | 2017-12-05 |
Family
ID=60467142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720296915.0U Expired - Fee Related CN206713087U (en) | 2017-03-24 | 2017-03-24 | A kind of electric calorifie installation control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206713087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712146A (en) * | 2018-12-13 | 2020-09-25 | 韩国烟草人参公社 | Aerosol generating device and method for cutting off heater heating caused by abnormal operation |
-
2017
- 2017-03-24 CN CN201720296915.0U patent/CN206713087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111712146A (en) * | 2018-12-13 | 2020-09-25 | 韩国烟草人参公社 | Aerosol generating device and method for cutting off heater heating caused by abnormal operation |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 |