CN206557624U - A kind of coffee machine heating system control circuit of high reliability - Google Patents
A kind of coffee machine heating system control circuit of high reliability Download PDFInfo
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- CN206557624U CN206557624U CN201720237990.XU CN201720237990U CN206557624U CN 206557624 U CN206557624 U CN 206557624U CN 201720237990 U CN201720237990 U CN 201720237990U CN 206557624 U CN206557624 U CN 206557624U
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Abstract
Circuit is controlled the utility model discloses a kind of coffee machine heating system of high reliability, including：Power supply, hilted broadsword normally closed relay, diode, triode, photoelectrical coupler, light controllable silicon, electric capacity, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance.Through the above way; the coffee machine heating system control circuit for the high reliability that the utility model is provided; heating system control circuit is protected using dual-switch circuit; a wherein path switching circuit is control relay circuit; another path switching circuit is silicon controlled control circuit; do not influence coffee machine heating system normal work when there is a path switching circuit short-circuit failure, and after-sales service personnel can be notified to carry out on-site maintenance information upload server simultaneously.
Description
Technical field
The utility model is related to the coffee machine heating system control of a kind of coffee machine technical field, more particularly to high reliability
Circuit processed.
Background technology
Existing coffee machine heating system control circuit is all to control circuit using single switch, you can control silicon control circuit.
Controllable silicon is also known as IGCT, is one of the more commonly used semiconductor devices, coffee machine, light modulation in household electrical appliance
Lamp, refrigerator, air-conditioning, washing machine, television set sound equipment and Industry Control etc. have all largely used silicon-controlled device.In performance,
Controllable silicon not only has unilateral conduction, and with more controllability, only conducting is with closing two states.
The advantage of controllable silicon：High-power with small control from view of profit, power amplification multiple may be up to hundreds of thousands times；Reaction speed pole
Hurry up, can in Microsecond grade on and off；It is contactless operation, no-spark, noiseless；Efficiency high；Small volume；It is lightweight；Cost
It is low etc.；Thus it is widely used.
The shortcoming of controllable silicon：There is conduction voltage drop, so type selecting will leave enough surpluses, radiation fin is needed when persistently using
Or fan；Easily it is interfered, false triggering can be caused；Overload capacity is poor, easily causes short circuit.
Utility model content
The utility model is mainly solving the technical problems that provide one kind using dual-switch circuit to heating system control
Circuit is protected, wherein a path switching circuit is control relay circuit, another path switching circuit is silicon controlled control circuit,
Do not influence coffee machine heating system normal work when there is a path switching circuit short-circuit failure, and information can be uploaded clothes simultaneously
Business device notifies after-sales service personnel to carry out the coffee machine heating system control circuit of the high reliability of on-site maintenance.
In order to solve the above technical problems, the technical scheme that the utility model is used is：A kind of high reliability is provided
Coffee machine heating system controls circuit, including：Power supply, hilted broadsword normally closed relay, diode, triode, photoelectrical coupler, light can
Control silicon, electric capacity, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th
The base series of resistance, the first resistor and triode, the second resistance and the base stage of triode are in parallel with emitter stage, single
Connected between knife normally closed relay and power supply, the colelctor electrode of triode, diode is inversely between power supply, the colelctor electrode of triode
Series connection.
In a preferred embodiment, hilted broadsword normally closed relay has the pin of contact 1 and the pin of contact 2, and light controllable silicon possesses pipe
Pin：1 pin, 2 pin, 3 pin, wherein, the described pin of hilted broadsword normally closed relay contact 2 is started to exchange fire line, the pin of contact 1 of hilted broadsword normally closed relay
Connect 2 pin of light controllable silicon.
In a preferred embodiment, photoelectrical coupler possesses pin：1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin.
In a preferred embodiment, the 6th resistance is connected with 2 pin of photoelectrical coupler, the 5th resistance, 3rd resistor light
Connect, connected between 2 pin of the 4th resistance, electric capacity and light controllable silicon, 1 pin between 6 pin of electric coupler, 2 pin of light controllable silicon,
Connected between 3 pin of the 8th resistance and the 7th resistance and light controllable silicon, 1 pin.
In a preferred embodiment, 4 pin of photoelectrical coupler are connected with 3 pin of light controllable silicon.
In a preferred embodiment, the coffee machine heating system control circuit of the high reliability also includes controllable silicon
Fin, is connected between the controllable silicon fin and light controllable silicon.
The beneficial effects of the utility model are：When coffee machine system close, the coffee machine system that by the device detects user
System can automatically exit from energy saver mode, and ready state is returned to immediately；When coffee machine system by the device detects user
Leave, and there is no user close within the system default time, coffee machine system can be automatically into energy saver mode.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Other accompanying drawings are obtained, wherein：
Fig. 1 show a kind of overall schematic of the coffee machine heating system control circuit of high reliability of the utility model.
Embodiment
The technical scheme in the utility model embodiment will be clearly and completely described below, it is clear that described
Embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Referring to Fig. 1, providing a kind of coffee machine heating of high reliability in a specific embodiment of the present utility model
System, control circuit, including：Power supply, hilted broadsword normally closed relay K1, diode D1, triode Q1, photoelectrical coupler U1, light are controllable
Silicon Q2, electric capacity C1, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance
The base series of R6, the 7th resistance R7, the 8th resistance R8, the first resistor and triode, the second resistance and triode
Base stage it is in parallel with emitter stage, connected between hilted broadsword normally closed relay and power supply, the colelctor electrode of triode, diode inversely with electricity
Connected between source, the colelctor electrode of triode.
Hilted broadsword normally closed relay has the pin of contact 1 and the pin of contact 2, and light controllable silicon possesses pin：1 pin, 2 pin, 3 pin, wherein,
The described pin of hilted broadsword normally closed relay contact 2 is started to exchange fire line, and the pin of contact 1 of hilted broadsword normally closed relay connects 2 pin of light controllable silicon.
Photoelectrical coupler possesses pin：1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin.
6th resistance is connected with 2 pin of photoelectrical coupler, the 5th resistance, 3rd resistor photoelectrical coupler 6 pin, light it is controllable
Connect, connect between 2 pin of the 4th resistance, electric capacity and light controllable silicon, 1 pin between 2 pin of silicon, the 8th resistance and the 7th resistance and
Connected between 3 pin of light controllable silicon, 1 pin.
4 pin of photoelectrical coupler are connected with 3 pin of light controllable silicon.
The coffee machine heating system control circuit of the high reliability also includes controllable silicon fin E1, the controllable silicon
It is connected between fin and light controllable silicon.
In a specific embodiment, the coffee machine heating system control circuit of a kind of high reliability of the present utility model,
The control circuit has two kinds of control circuit connected in series combinations, respectively control relay circuit and silicon controlled control circuit；So may be used
Duplicate protection is played for coffee machine heating system to act on co-ordination.
In a kind of preferred embodiment of the present utility model, the control relay circuit, by relay, diode and electricity
Resistance composition, the positive pole of direct current is terminated by the coil one of relay, the colelctor electrode of another termination triode, then by the hair of triode
Emitter grounding, the characteristic disconnected using triode saturation conduction and cut-off is controlled to the coil of relay, and diode is in electricity
It is used for protecting component not to be induced voltage breakdown or burn out in road；The silicon controlled control circuit, by band zero passage detection optocoupler,
X2 safety electric capacity, controllable silicon and resistance composition, the effect of the resistance-capacitance circuit in parallel with controllable silicon are the height produced in absorption circuit
Pointing peak self induction voltage, it is to avoid controllable silicon is damaged, optocoupler triggers controlled silicon conducting and pass by photoelectric coupling and zero passage detection
Close.
As shown in figure 1, K1 is hilted broadsword normally closed relay, D1 is diode, and Q1 is triode, and U1 is optocoupler, and Q2 is controllable
Silicon, C1 is X electric capacity, and R1, R2, R3, R4, R5, R6, R7, R8 are resistance, and E1 is controllable silicon fin.
The annexation of each part is specially：The utility model coffee machine heating system controls circuit by Control electricity
Road is composed in series with silicon controlled control circuit.In control relay circuit, web tab computer heating control 2 connects CPU control pins,
R1 is connected on Q1 base stage, and R2 is connected in parallel between Q1 base stage and emitter stage, K1 coil be connected on VCC and Q1 colelctor electrode it
Between, D1 is inversely connected between VCC and Q1 colelctor electrode, and the K1 pin of contact 2 is started to exchange fire line, and the K1 pin of contact 1 connects Q2 2 pin.Can
Control in silicon control circuit, web tab computer heating control 1 connects CPU control pins, R6 is connected on U1 2 pin, and R5, R3 are connected on U1's
Between 6 pin and Q2 2 pin, R4, C1 are connected between Q2 2 pin and 1 pin, and R8 and R7 are connected between Q2 3 pin and 1 pin, U1
4 pin be connected with Q2 3 pin, Q2 1 pin is connected with P2, and P2, P1 connect with high-power heat-generating pipe, and P1 is connected with zero line.
The course of work of the present utility model：Established by cable on coffee machine after machine, when CPU input and output pin gives Control electricity
The low level of road network label computer heating control 2, relay K1 does not work, and contact is in closure state；When CPU input and output pins are given
The high level of control relay circuit web tab computer heating control 2, relay K1 work, contact is off；When CPU inputs
Output pin gives the low level of control relay circuit web tab computer heating control 1, and optocoupler U1 output ends are in the conduction state, controllable
Silicon Q2 is in the conduction state；When CPU input and output pin gives the high level of control relay circuit web tab computer heating control 1, light
Coupling U1 output ends are closed, and controllable silicon Q2 is closed；
When web tab computer heating control 2 is high level, web tab computer heating control 1 is free position, coffee machine heating system
System does not work；When web tab computer heating control 2 is low level, web tab computer heating control 1 is high level, coffee machine heating system
Do not work；When web tab computer heating control 2 is low level, web tab computer heating control 1 is low level, coffee machine heating system work
Make.
When coffee machine heating system is in running order, CPU input and output pin gives control relay circuit web tab
During 2 low level of computer heating control, CPU detects temperature on electrothermal tube and also risen, and more than threshold value is pre-set, then can determine whether
Control relay circuit short-circuit failure, now controls coffee machine heating system by using silicon controlled control circuit immediately, and
Information is uploaded onto the server；When coffee machine heating system is in running order, CPU input and output pin gives SCR control electricity
During road network label 1 high level of computer heating control, CPU detects on electrothermal tube temperature and also risen, and more than pre-setting thresholding
Value, then can determine whether controllable silicon false triggering or short circuit, now control coffee machine to heat by using control relay circuit immediately
System, and information is uploaded onto the server.
Therefore, the utility model has advantages below：
（1）, when controllable silicon false triggering or short circuit when, coffee machine heating system control circuit can be in the conduction state, CPU meetings
The control of heating system is realized by control relay, and information is uploaded onto the server；
（2）, when coffee machine heating system control relay circuit fails, i.e. relay contact adhesion, CPU can pass through control
Optocoupler triggering controllable silicon processed realizes the control to heating system, and information is uploaded onto the server；
（3）, when silicon controlled control circuit and control relay circuit fail simultaneously, i.e. coffee machine heating system is located always
Thermal Cutoffs reaches that threshold value will fuse in conducting state, coffee machine heating system, plays power-off protection effect, CPU
Information can be uploaded onto the server.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model description, or directly or indirectly it is used in other phases
The technical field of pass, is similarly included in scope of patent protection of the present utility model.
Claims (6)
1. a kind of coffee machine heating system control circuit of high reliability, it is characterised in that including：The normally closed relay of power supply, hilted broadsword
Device（K1）, diode（D1）, triode（Q1）, photoelectrical coupler（U1）, light controllable silicon（Q2）, electric capacity（C1）, first resistor
（R1）, second resistance（R2）, 3rd resistor（R3）, the 4th resistance（R4）, the 5th resistance（R5）, the 6th resistance（R6）, the 7th electricity
Resistance（R7）, the 8th resistance（R8）, the base series of the first resistor and triode, the base stage of the second resistance and triode
It is in parallel with emitter stage, connected between hilted broadsword normally closed relay and power supply, the colelctor electrode of triode, diode inversely with power supply, three
Connected between the colelctor electrode of pole pipe.
2. the coffee machine heating system control circuit of high reliability according to claim 1, it is characterised in that hilted broadsword is normally closed
Relay has the pin of contact 1 and the pin of contact 2, and light controllable silicon possesses pin：1 pin, 2 pin, 3 pin, wherein, described hilted broadsword it is normally closed after
The pin of appliance contact 2 is started to exchange fire line, and the pin of contact 1 of hilted broadsword normally closed relay connects 2 pin of light controllable silicon.
3. the coffee machine heating system control circuit of high reliability according to claim 2, it is characterised in that photoelectric coupling
Device possesses pin：1 pin, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin.
4. the coffee machine heating system control circuit of high reliability according to claim 3, it is characterised in that the 6th resistance
Connect, connected between the 5th resistance, 6 pin of 3rd resistor photoelectrical coupler, 2 pin of light controllable silicon with 2 pin of photoelectrical coupler,
Connected between 2 pin of the 4th resistance, electric capacity and light controllable silicon, 1 pin, 3 pin of the 8th resistance and the 7th resistance and light controllable silicon, 1
Connected between pin.
5. the coffee machine heating system control circuit of high reliability according to claim 4, it is characterised in that photoelectric coupling
4 pin of device are connected with 3 pin of light controllable silicon.
6. the coffee machine heating system control circuit of high reliability according to claim 1, it is characterised in that the height can
Also include controllable silicon fin by the coffee machine heating system control circuit of property（E1）, the controllable silicon fin and light are controllable
It is connected between silicon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720237990.XU CN206557624U (en) | 2017-03-13 | 2017-03-13 | A kind of coffee machine heating system control circuit of high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720237990.XU CN206557624U (en) | 2017-03-13 | 2017-03-13 | A kind of coffee machine heating system control circuit of high reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206557624U true CN206557624U (en) | 2017-10-13 |
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ID=60362223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720237990.XU Active CN206557624U (en) | 2017-03-13 | 2017-03-13 | A kind of coffee machine heating system control circuit of high reliability |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346144A (en) * | 2017-03-13 | 2017-11-14 | 苏州咖博士咖啡系统科技有限公司 | A kind of coffee machine heating system control circuit of high reliability |
| CN109545619A (en) * | 2018-12-30 | 2019-03-29 | 安徽华成电子科技有限公司 | High current hybrid relay |
-
2017
- 2017-03-13 CN CN201720237990.XU patent/CN206557624U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346144A (en) * | 2017-03-13 | 2017-11-14 | 苏州咖博士咖啡系统科技有限公司 | A kind of coffee machine heating system control circuit of high reliability |
| CN109545619A (en) * | 2018-12-30 | 2019-03-29 | 安徽华成电子科技有限公司 | High current hybrid relay |
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