CN108670026A - Kettle with prompting function - Google Patents
Kettle with prompting function Download PDFInfo
- Publication number
- CN108670026A CN108670026A CN201810785541.8A CN201810785541A CN108670026A CN 108670026 A CN108670026 A CN 108670026A CN 201810785541 A CN201810785541 A CN 201810785541A CN 108670026 A CN108670026 A CN 108670026A
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- Prior art keywords
- triode
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- diode
- capacitance
- socket
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/212—Water-boiling vessels, e.g. kettles with signaling means, e.g. whistling kettles
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of kettles with prompting function, including the circuit board being set on the base, circuit board is equipped with temperature sensor, microcontroller, ON-OFF control circuit, buzzer and heater circuit, temperature sensor, ON-OFF control circuit and buzzer are connect with microcontroller, and heater circuit is connect with ON-OFF control circuit；ON-OFF control circuit includes socket, relay, the first diode, the first DC power supply, the first triode, first resistor, the first capacitance, the second triode, the second DC power supply, DC supply input and feedback end, one end of the output end connection voltage output end of relay, another output end of relay and the first socket of socket connect, the other end of the second socket connection voltage output end of socket, an input terminal of relay are connect with the cathode of the first diode and the first DC power supply respectively.The present invention have prompting function, circuit structure is relatively simple, circuit safety and reliability is higher.
Description
Technical field
The present invention relates to kettle field, more particularly to a kind of kettle with prompting function.
Background technology
Kettle is the kettle body for heating up water made of stainless steel, and stainless steel chassis heating is quickly heated, closed bottom
Disk heating design ensures that water is completely boiled, and kettle body is split type with power supply base, easy to use.Current electrical heating kettle is burnt
After opening, do not have prompting function.In addition, the component that the internal circuit configuration of traditional kettle uses is more, circuit is caused
Structural wiring is more complicated, that is, circuit structure is complicated, also just accordingly causes hardware cost higher.In addition, traditional heats up water
The internal circuit configuration of pot causes the safety and reliability of circuit not high due to lacking corresponding circuit protection function.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of with prompting work(
Can, circuit structure is relatively simple, the higher kettle with prompting function of circuit safety and reliability.
The technical solution adopted by the present invention to solve the technical problems is：A kind of kettle with prompting function is constructed,
Including the circuit board being set on the base, the circuit board is equipped with temperature sensor, microcontroller, ON-OFF control circuit, buzzing
Device and heater circuit, the temperature sensor, ON-OFF control circuit and buzzer are connect with the microcontroller, the heating electricity
Road is connect with the ON-OFF control circuit；
The ON-OFF control circuit includes socket, relay, the first diode, the first DC power supply, the first triode,
One resistance, the first capacitance, the second triode, the second DC power supply, DC supply input and feedback end, the one of the relay
One end of a output end connection voltage output end, another output end of the relay connect with the first socket of the socket
It connects, the other end of the second socket connection voltage output end of the socket, the third socket ground connection of the socket, the relay
An input terminal connect respectively with the cathode of first diode and the first DC power supply, the anode of first diode
It is connect respectively with one end of another input terminal of the relay, the collector of the first triode and the first capacitance, described
The emitter of one triode is grounded by the first resistor, and base stage and the DC supply input of first triode connect
It connecing, the other end of first capacitance is connect with the base stage of second triode, the emitter ground connection of second triode,
The collector of second triode is connect with the feedback end and the second DC power supply respectively, the capacitance of first capacitance
Resistance value for 450pF, the first resistor is 33k Ω.
Of the present invention in the kettle of prompting function, the ON-OFF control circuit further includes the second diode
With third diode, the anode of second diode is connect with first DC power supply, the cathode of second diode
It is connect with an input terminal of the relay, the anode of the third diode is connect with second DC power supply, described
The cathode of third diode is connect with the collector of second triode, the model of second diode and third diode
It is S-123T.
Of the present invention in the kettle of prompting function, first triode and the second triode are
NPN type triode.
Of the present invention in the kettle of prompting function, the heater circuit includes third transistor, the 4th
Triode, the 5th triode, the second resistive heater, third resistive heater, the 4th resistance, the 5th resistance, thermistor and
One end of 4th diode, second resistive heater is connect with one end of the voltage output end, the third heating electricity
One end of resistance silk is connect with the other end of the voltage output end, and the other end of second resistive heater is respectively with described the
The collector of the anode of four diodes and the 5th triode connects, the cathode of the 4th diode respectively with the 4th resistance
One end, the 4th triode collector and the 5th triode base stage connection, the other end of the 4th resistance and described the
The base stages of three triodes connects, the collector of the third transistor respectively with one end of the thermistor and the 4th triode
Base stage connection, the other end of the third resistive heater respectively with the other end of the 5th resistance, thermistor it is another
The emitter of one end, the emitter of the 4th triode and the 5th triode connects, the model E-822 of the 4th diode.
Of the present invention in the kettle of prompting function, the heater circuit further includes the second capacitance, described
One end of second capacitance is connect with the collector of the third transistor, the other end of second capacitance and the four or three pole
The base stage of pipe connects, and the capacitance of second capacitance is 260pF.
Of the present invention in the kettle of prompting function, the heater circuit further includes third capacitance, described
One end of third capacitance is connect with the collector of the 4th triode, the other end of the third capacitance and the five or three pole
The base stage of pipe connects, and the capacitance of the third capacitance is 450pF.
Of the present invention in the kettle of prompting function, the third transistor is PNP type triode, described
4th triode and the 5th triode are NPN type triode.
The kettle with prompting function for implementing the present invention, has the advantages that：Since circuit board is equipped with temperature
Spend sensor, microcontroller, ON-OFF control circuit, buzzer and heater circuit, when water is boiled, microcontroller can control buzzer into
Row auditory tone cues, in order to let the user know that the water is boiling, ON-OFF control circuit includes socket, relay, the first diode,
One DC power supply, the first triode, first resistor, the first capacitance, the second triode, the second DC power supply, DC supply input
End and feedback end, internal circuit configuration of the ON-OFF control circuit relative to traditional kettle, the component used is less, this
Sample can reduce hardware cost, in addition, the first capacitance is used to prevent interference between the first triode and the second triode, first
Resistance for carrying out current-limiting protection, therefore with prompting function, circuit structure is relatively simple, safety and reliability of circuit compared with
It is high.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of circuit board in the kettle one embodiment of the present invention with prompting function；
Fig. 2 is the circuit diagram of ON-OFF control circuit in the embodiment；
Fig. 3 is the circuit diagram of heater circuit in the embodiment.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the kettle embodiment that the present invention has prompting function, it includes that setting exists that should have the kettle of prompting function
The structural schematic diagram of circuit board on pedestal, the circuit board is as shown in Figure 1.In Fig. 1, the circuit board be equipped with temperature sensor 1,
Microcontroller 2, ON-OFF control circuit 3, buzzer 4 and heater circuit 5, wherein temperature sensor 1, ON-OFF control circuit 3 and buzzing
Device 4 is connect with microcontroller 2, and heater circuit 5 is connect with ON-OFF control circuit 3.
After heating for the first time, after the temperature that temperature sensor 1 acquires is transferred to microcontroller 2, microcontroller 2 is according to presetting
Lower limit temperature determine the need for heating, if it is desired, then by ON-OFF control circuit 3 open heater circuit 4, added
Heat, and when the temperature that temperature sensor 1 acquires meets and reaches the standard grade temperature, send the temperature signal currently acquired to microcontroller 2,
Microcontroller 2 disconnects heater circuit 5 by ON-OFF control circuit 3, and heater circuit 5 is made to stop heating, meanwhile, microcontroller 2 controls bee
Ring device 4 makes a sound prompt, and to remind user that water is boiled, therefore the present invention has sound prompting function.
Fig. 2 is the circuit diagram of ON-OFF control circuit in the present embodiment, and in Fig. 2, which includes socket
U1, relay K1, the first diode D1, the first DC power supply VCC, the first triode Q1, first resistor R1, the first capacitance C1,
Second triode Q2, the second DC power supply VDD, DC supply input Vin and feedback end F, wherein one of relay K1 is defeated
Outlet connects one end of voltage output end Vo, and another output end of relay K1 is connect with the first socket L of socket U1, socket
The other end of the second socket N connection voltage output ends Vo of U1, the third socket E ground connection of socket U1, one of relay K1 are defeated
Enter end to connect with the cathode of the first diode D1 and the first DC power supply VCC respectively, the anode of the first diode D1 respectively with after
One end of another input terminal of electric appliance K1, the collector of the first triode Q1 and the first capacitance C1 connects, the first triode Q1
Emitter be grounded by first resistor R1, the base stage of the first triode Q1 is connect with DC supply input Vin, the first capacitance
The other end of C1 is connect with the base stage of the second triode Q2, the emitter ground connection of the second triode Q2, the collection of the second triode Q2
Electrode is connect with feedback end F and the second DC power supply VDD respectively.
The internal circuit configuration of the ON-OFF control circuit 3 relative to traditional kettle, the component used is less, circuit
Structure is relatively simple, can reduce hardware cost in this way.In addition, the first capacitance C1 is coupled capacitor, for preventing the one or three pole
Interference between pipe Q1 and the second triode Q2.First resistor R1 is current-limiting resistance, for the emitter to the first triode Q1
Electric current carries out current-limiting protection, therefore the safety and reliability of circuit is higher.It is noted that in the present embodiment, the first electricity
The capacitance for holding C1 is 450pF, and the resistance value of first resistor R1 is 33k Ω.Certainly, in practical applications, the electricity of the first capacitance C1
Capacitance and the resistance value of first resistor R1 can adjust accordingly as the case may be.
By the combination of the first triode Q1 and the second triode Q2, realize when power supply is connected, ON-OFF control circuit 3 is defeated
Go out the level signal of feedback, and convenient for detection.The magnetic core line that in the present embodiment, relay K1 includes magnetic core, is looped around on magnetic core
Circle, armature and normally opened contact, normally opened contact are connect with another output end of relay K1, and one of armature and relay K1 is defeated
Outlet connects, and one end of magnetic core coil is connect with another input terminal of relay K1, the other end and relay of magnetic core coil
An input terminal of K1 connects.That is, another output end and the first of socket U1 that normally opened contact passes through relay K1
Socket L connections, armature are connect by an output end of relay K1 with one end of voltage output end Vo, when armature is touched with normally opened
When point contact, conducting is connected between one end of voltage output end Vo and the first socket L of socket U1, when armature and normally opened contact are disconnected
When opening, also disconnected between one end of voltage output end Vo and the first socket L of socket U1.
In the present embodiment, the voltage of the first DC power supply VCC is 8V, and the voltage of the second DC power supply VDD is 5V.
Specifically, the course of work of the ON-OFF control circuit 3 is as follows：When DC supply input Vin inputs the straight of 5V
When galvanic electricity, the voltage of the first triode Q1 conductings, another input terminal of relay K1 is low level, the magnetic core in relay K1
Coil has electric current to pass through, and magnetic core is magnetized so that armature is contacted with normally opened contact, and one end of voltage output end Vo is with socket U1's
First socket L conducting, is powered between the first socket L and the second socket N of socket U1, due to the first diode D1 can only allow from
The anode of first diode D1 flows to the electric current of the cathode of the first diode D1, therefore another input terminal of relay K1 is still
For low level, the second triode Q2 can not be connected, and feedback end F exports high level signal.
When DC supply input Vin inputs the direct current of 0V, the first triode Q1 can not be connected, and relay K1's is another
The voltage of one input terminal is high level, and the magnetic core coil in relay K1 does not have electric current to pass through, and magnetic core is not magnetized so that rank
Iron is disconnected with normally opened contact, and one end of voltage output end Vo is not turned on the first socket of socket U1, then the first of socket U1
No power between socket L and the second socket N, since the first diode D1 can only allow the anode from the first diode D1 to flow to
The electric current of the cathode of one diode D1, therefore another input terminal of relay K1 remains as high level, the second triode Q2 is led
Logical, feedback end F is grounded by the emitter of the second triode Q2, then feedback end F outputs are low level.Therefore low by inputting
The direct current of pressure may be implemented to control the break-make of high alternating current to ON-OFF control circuit 3, and alternating current conducting or
When disconnection, corresponding high level signal or low level signal are exported, to reflect the working condition of alternating current and convenient for detecting.
In the present embodiment, the first triode Q1 and the second triode Q2 are NPN type triode.Certainly, in practical application
In, the first triode Q1 and the second triode Q2 can also be PNP type triode, but at this moment the structure of circuit also will accordingly be sent out
Changing.
In the present embodiment, which further includes the second diode D2 and third diode D3, the second diode
The anode of D2 is connect with the first DC power supply VCC, and the cathode of the second diode D2 is connect with an input terminal of relay K1, the
The anode of three diode D3 is connect with the second DC power supply VDD, the current collection of the cathode of third diode D3 and the second triode Q2
Pole connects.Second diode D2 and third diode D3 is Current Limiting Diodes, and the second diode D2 is used for the first direct current
Where the VCC of source road carry out current-limiting protection, third diode D3 is for limiting the branch where the second DC power supply VDD
Stream protection, to further enhance the safety and reliability of circuit.It is noted that in the present embodiment, the second diode D2
Model with third diode D3 is S-123T, certainly, in practical applications, the second diode D2 and third diode D3
It can select other models that there is the diode of similar functions.
Fig. 3 is the circuit diagram of heater circuit in the present embodiment, in Fig. 3, heater circuit 5 include third transistor Q3,
4th triode Q4, the 5th triode Q5, the second resistive heater R2, third resistive heater R3, the 4th resistance R4, the 5th electricity
Hinder R5, thermistor Rx and the 4th diode D4, wherein one end of one end and voltage output end Vo of the second resistive heater R2
Connection, one end of third resistive heater R3 are connect with the other end of voltage output end Vo, and the second resistive heater R2's is another
End is connect with the collector of the anode of the 4th diode D4 and the 5th triode Q5 respectively, the cathode of the 4th diode D4 respectively with
The base stage of one end of the 4th resistance R4, the collector of the 4th triode Q4 and the 5th triode Q5 connects, and the 4th resistance R4's is another
One end is connect with the base stage of third transistor Q3, the collector of third transistor Q3 respectively with one end of thermistor Rx and the 4th
The base stage of triode Q4 connects, the other end of the third resistive heater R3 other end, the thermistor with the 5th resistance R5 respectively
The emitter of the other end of Rx, the emitter of the 4th triode Q4 and the 5th triode Q5 connects.
The internal circuit configuration of the heater circuit 5 relative to traditional kettle, the component used is less, circuit structure
It is relatively simple, hardware cost can be further reduced in this way.4th diode D4 is Current Limiting Diodes, for carrying out current limliting guarantor
Shield, further to enhance the safety and reliability of circuit.It is noted that in the present embodiment, the 4th diode D4's
Model E-822, certainly, in practical applications, the 4th diode D4 can also use other models to have the two of similar functions
Pole pipe.
After being powered by DC power supply in main circuit, the 5th triode Q5 conductings, the 4th triode Q4 will be switched off, and second adds
Hot water radiation wire R2 and third resistive heater R3 will generate heat, and temperature is made to reach setting value, when thermistor Rx reaches 0.7V, electricity
Resistive is big, and the 4th triode Q4 conductings, the 5th triode Q5 is disconnected, and makes the second resistive heater R2 and third resistive heater R3
Fever is stopped into heating.5th triode Q5 controls the break-make in leading back, and thermistor Rx is not connected on heating master by it
Circuit, but by constant current source power supply, it is connected to the base stage and emitter of the 5th triode Q5, whether reaching according to set temperature value
The switch motion for controlling the 5th triode Q5 controls heating major loop with this.Because of the operating current very little of control loop, such as
0.8mA, when major loop flows through this electric current, calorific value very little, which can be born, slightly to be disregarded.Temperature precise control, wave are had the advantage that in this way
It is dynamic small.4th resistance R4, the 5th resistance R5 and third transistor Q3 constitute constant-current circuit.
It is noted that in the present embodiment, third transistor Q3 is PNP type triode, the 4th triode Q4 and the 5th
Triode Q5 is NPN type triode.Certainly, in practical applications, third transistor Q3 may be NPN type triode, the
Four triode Q4 and the 5th triode Q5 may be PNP type triode, but at this moment the structure of circuit also will accordingly change.
In the present embodiment, which further includes one end and the third transistor Q3 of the second capacitance C2, the second capacitance C2
Collector connection, the other end of the second capacitance C2 connect with the base stage of the 4th triode Q4.Second capacitance C2 is coupled capacitor,
For preventing the interference between third transistor Q3 and the 4th triode Q4 so that the safety and reliability of circuit obtain into
One step improves.It is noted that in the present embodiment, the capacitance of the second capacitance C2 is 260pF, certainly, in practical applications,
The capacitance of second capacitance C2 can adjust accordingly as the case may be.
In the present embodiment, which further includes third capacitance C3, one end and the 4th triode Q4 of third capacitance C3
Collector connection, the other end of third capacitance C3 connect with the base stage of the 5th triode Q5.Third capacitance C3 is coupled capacitor,
For preventing the interference between the 4th triode Q4 and the 5th triode Q5, so that anti-tampering effect is more preferable.It is worth mentioning
, in the present embodiment, the capacitance of third capacitance C3 is 450pF, certainly, in practical applications, the capacitance of third capacitance C3
Value can adjust accordingly as the case may be.
In short, in the present embodiment, due to being equipped with buzzer 4, sound prompting can be carried out when water is boiled.Switch control electricity
Internal circuit configuration of the road 3 relative to traditional kettle, the component used is less, and circuit structure is relatively simple, in this way may be used
To reduce hardware cost.In addition, in the ON-OFF control circuit 3 be equipped with current-limiting resistance, therefore the safety and reliability of circuit compared with
It is high.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of kettle with prompting function, which is characterized in that including the circuit board being set on the base, the circuit board
It is equipped with temperature sensor, microcontroller, ON-OFF control circuit, buzzer and heater circuit, the temperature sensor, switch control
Circuit and buzzer are connect with the microcontroller, and the heater circuit is connect with the ON-OFF control circuit；
The ON-OFF control circuit includes socket, relay, the first diode, the first DC power supply, the first triode, the first electricity
Resistance, the first capacitance, the second triode, the second DC power supply, DC supply input and feedback end, one of the relay are defeated
Outlet connects one end of voltage output end, another output end of the relay is connect with the first socket of the socket, institute
The other end of the second socket connection voltage output end of socket is stated, the third socket of the socket is grounded, and the one of the relay
A input terminal is connect with the cathode of first diode and the first DC power supply respectively, the anode difference of first diode
It is connect with one end of another input terminal of the relay, the collector of the first triode and the first capacitance, the described 1st
The emitter of pole pipe is grounded by the first resistor, and the base stage of first triode is connect with DC supply input, institute
The other end for stating the first capacitance is connect with the base stage of second triode, the emitter ground connection of second triode, described
The collector of second triode is connect with the feedback end and the second DC power supply respectively, and the capacitance of first capacitance is
The resistance value of 450pF, the first resistor are 33k Ω.
2. the kettle according to claim 1 with prompting function, which is characterized in that the ON-OFF control circuit also wraps
The second diode and third diode are included, the anode of second diode is connect with first DC power supply, and described second
The cathode of diode is connect with an input terminal of the relay, the anode of the third diode and second direct current
Source connects, and the cathode of the third diode is connect with the collector of second triode, second diode and third
The model of diode is S-123T.
3. the kettle according to claim 2 with prompting function, which is characterized in that first triode and second
Triode is NPN type triode.
4. the kettle with prompting function according to claims 1 to 3 any one, which is characterized in that the heating
Circuit includes third transistor, the 4th triode, the 5th triode, the second resistive heater, third resistive heater, the 4th electricity
Resistance, the 5th resistance, thermistor and the 4th diode, one end of second resistive heater and the one of the voltage output end
End connection, one end of the third resistive heater are connect with the other end of the voltage output end, second adding thermal resistance
The other end of silk is connect with the collector of the anode of the 4th diode and the 5th triode respectively, the 4th diode
Cathode is connect with one end, the collector of the 4th triode and the base stage of the 5th triode of the 4th resistance respectively, and described
The other end of four resistance is connect with the base stage of the third transistor, the collector of the third transistor respectively with the temperature-sensitive
One end of resistance is connected with the base stage of the 4th triode, the other end of the third resistive heater respectively with the 5th resistance
The other end, the other end of thermistor, the emitter of the 4th triode and the 5th triode emitter connection, the described 4th
The model E-822 of diode.
5. the kettle according to claim 4 with prompting function, which is characterized in that the heater circuit further includes
One end of two capacitances, second capacitance is connect with the collector of the third transistor, the other end of second capacitance with
The base stage of 4th triode connects, and the capacitance of second capacitance is 260pF.
6. the kettle according to claim 5 with prompting function, which is characterized in that the heater circuit further includes
Three capacitances, one end of the third capacitance are connect with the collector of the 4th triode, the other end of the third capacitance with
The base stage of 5th triode connects, and the capacitance of the third capacitance is 450pF.
7. the kettle according to claim 6 with prompting function, which is characterized in that the third transistor is PNP
Type triode, the 4th triode and the 5th triode are NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785541.8A CN108670026A (en) | 2018-07-17 | 2018-07-17 | Kettle with prompting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810785541.8A CN108670026A (en) | 2018-07-17 | 2018-07-17 | Kettle with prompting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108670026A true CN108670026A (en) | 2018-10-19 |
Family
ID=63814401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810785541.8A Withdrawn CN108670026A (en) | 2018-07-17 | 2018-07-17 | Kettle with prompting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108670026A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817396A (en) * | 2020-07-20 | 2020-10-23 | 天能帅福得能源股份有限公司 | Circuit for simultaneously closing charging and discharging metal-oxide-semiconductor field effect transistors (MOSFETs) during high-temperature detection of protection plate |
| CN112433022A (en) * | 2019-08-26 | 2021-03-02 | 无锡统安安全科技有限公司 | Explosion-proof multi-relay gas detector |
-
2018
- 2018-07-17 CN CN201810785541.8A patent/CN108670026A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433022A (en) * | 2019-08-26 | 2021-03-02 | 无锡统安安全科技有限公司 | Explosion-proof multi-relay gas detector |
| CN111817396A (en) * | 2020-07-20 | 2020-10-23 | 天能帅福得能源股份有限公司 | Circuit for simultaneously closing charging and discharging metal-oxide-semiconductor field effect transistors (MOSFETs) during high-temperature detection of protection plate |
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