CN206479859U - A kind of incubator box for domestic fowl temperature control circuit with lightning protection function - Google Patents
A kind of incubator box for domestic fowl temperature control circuit with lightning protection function Download PDFInfo
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- CN206479859U CN206479859U CN201720194734.7U CN201720194734U CN206479859U CN 206479859 U CN206479859 U CN 206479859U CN 201720194734 U CN201720194734 U CN 201720194734U CN 206479859 U CN206479859 U CN 206479859U
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- resistance
- piezo
- lightning protection
- control circuit
- rectifier bridge
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Abstract
The utility model is related to a kind of incubator box for domestic fowl temperature control circuit with lightning protection function, including heater circuit, control circuit and lightning protection circuit；The heater circuit includes being serially connected live wire, switch, the normally-closed contact of relay, heater and zero line；The lightning protection circuit is provided with the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance and gas-discharge tube；The connection end of connection live wire and zero line after first piezo-resistance and the second piezo-resistance series connection, first piezo-resistance and the second piezo-resistance is grounded by gas-discharge tube；The two ends connection live wire and zero line of 3rd piezo-resistance；The control circuit includes transformer, rectifier bridge stack, electric capacity, relay coil, electric contact thermometer and diode；One end of the rectifier bridge stack output end, relay coil, electric contact thermometer, the other end of rectifier bridge stack output end are serially connected.Incubator box for domestic fowl control in design temperature and can be carried out lightning protection by the utility model to it.
Description
Technical field
The utility model is related to poultry cultivating technology, more particularly to a kind of incubator box for domestic fowl temperature with lightning protection function
Control circuit.
Background technology
Extensive poultry farming is typically hatched using incubator box for domestic fowl to birds, beasts and eggs, and incubator box for domestic fowl is typically by 220V's
Single-phase electricity is powered, and with thermostatic control function, typically with elements such as diode, triode, electric capacity, these elements are to voltage ratio
More sensitive, such as thunderbolt, voltage significantly exceeds operating voltage, and these elements will burn.Plant is normally at rural area, mountain
The areas such as area, typically no installation lightning protection device, the supply line of plant are once be struck by lightning, and supply line's connection is set
It is standby, include the element of incubator, it is easy to be burned out.
Utility model content
The utility model overcomes the deficiencies in the prior art can be by incubator box for domestic fowl control in design temperature there is provided one kind
And the circuit of lightning protection is carried out to it.
The utility model is achieved through the following technical solutions：
A kind of incubator box for domestic fowl temperature control circuit with lightning protection function, including heater circuit and control circuit；The heating
Circuit includes the zero of live wire, switch, the normally-closed contact of relay, heater and the 220V power supplys for the 220V power supplys being serially connected
Line；Also include lightning protection circuit；The lightning protection circuit is gentle provided with the first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance
Body discharge tube；Connection live wire and zero line after first piezo-resistance and the second piezo-resistance series connection, first piezo-resistance and
The connection end of second piezo-resistance is grounded by gas-discharge tube；The two ends connection live wire and zero line of 3rd piezo-resistance；
The control circuit includes transformer, rectifier bridge stack, electric capacity, relay coil, electric contact thermometer and diode；
One end of the primary coil of the transformer is by switching connection live wire, other end connection zero line, the two ends connection of secondary coil
The input of rectifier bridge stack；The electric capacity is connected in parallel on the two ends of rectifier bridge stack output end；One end of the rectifier bridge stack output end,
Relay coil, electric contact thermometer, the other end of rectifier bridge stack output end are serially connected；The diode and relay coil
It is arranged in parallel, the cathode output end of the negative pole of the diode towards rectifier bridge stack.
In use, by heater and electric contact thermometer in incubator box for domestic fowl, closure switch, 220V power supplys are through transformation
Device is depressured, after rectified bridge heap rectification, then is powered through capacitor filtering into direct current to relay coil and electric contact thermometer.Just
When closure switch switch on power, the temperature in incubator box for domestic fowl is less than the design temperature of electric contact thermometer, electric contact thermometer
Temperature contact be off, the normally-closed contact of relay keeps normally closed, and heater circuit is connected, and heater is begun to warm up,
When temperature rises to the design temperature of electric contact thermometer, the temperature contact of electric contact thermometer is connected, and relay coil is obtained
Electronic work, its normally-closed contact disconnects, and heater dead electricity stops heating.Diode is disconnected in relay coil as fly-wheel diode
Electric moment plays a part of suppressing to absorb inverse electromotive force.
When supply line caused by being struck by lightning hot voltage more than the first piezo-resistance threshold value when, the first piezo-resistance is rapid
Conducting, live wire is discharged over the ground by the first piezo-resistance and gas-discharge tube, by voltage clamping to threshold range；Similarly, when
Supply line caused by being struck by lightning neutral voltage more than the second piezo-resistance threshold value when, the second piezo-resistance is turned on rapidly, zero line
Discharged over the ground by the second piezo-resistance and gas-discharge tube, by voltage clamping to threshold range；For further protection rear class
Circuit, the 3rd piezo-resistance also in parallel between live wire and zero line, when the voltage between live wire and zero line exceeds its threshold value, the
Three piezo-resistances are turned on rapidly, by voltage clamping to threshold range, the incubator box for domestic fowl circuit of rear class are carried out effective anti-
Thunder is protected.
Further, first piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance are 20D561K.20D561K
Piezo-resistance is cheap, working stability.
Further, the gas-discharge tube is B8G600L.B8G600L gas-discharge tubes are cheap, working stability.
Further, the heater is parallel with indicator lamp.When normally-closed contact is closed, indicator lamp is bright, illustrates that heater is in
Heated condition.
The beneficial effects of the utility model are：Using the working condition of electric contact thermometer control relay, so as to control
The working condition of heater, can be by incubator box for domestic fowl control in design temperature；Using the first piezo-resistance, the second pressure-sensitive electricity
Resistance, the 3rd piezo-resistance and gas-discharge tube, can be rapid by voltage when supply line, which is struck by lightning, causes input terminal voltage to raise
Clamper can carry out effective lightning protection in the threshold range of piezo-resistance to the incubator box for domestic fowl circuit of rear class.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
As shown in figure 1, embodiment of the present utility model, a kind of incubator box for domestic fowl temperature control circuit with lightning protection function, bag
Include heater circuit and control circuit；The heater circuit includes the live wire L for the 220V power supplys being serially connected, switch S, relay
Normally-closed contact KA-1, heater EH and 220V power supply zero line N；Also include lightning protection circuit；The lightning protection circuit is provided with the first pressure
Quick resistance RV1, the second piezo-resistance RV2, the 3rd piezo-resistance RV3 and gas-discharge tube GDT；The first piezo-resistance RV1
Connection live wire L and zero line N, the first piezo-resistance RV1 and the second piezo-resistance RV2 after being connected with the second piezo-resistance RV2
Connection end is grounded by gas-discharge tube GDT；The two ends connection live wire L and zero line N of the 3rd piezo-resistance RV3；
It is described control circuit include transformer T, rectifier bridge stack UR, electric capacity C, relay KA coils, electric contact thermometer Q and
Diode D；One end of the primary coil of the transformer T is by switching S connection live wire L, other end connection zero line N, secondary wire
The two ends connection rectifier bridge stack UR of circle input；The electric capacity C is connected in parallel on the two ends of rectifier bridge stack UR output ends；The rectification
One end of bridge heap UR output ends, relay KA coils, electric contact thermometer Q, the other end of rectifier bridge stack UR output ends are mutually gone here and there
Connection；Diode D and relay the KA coils from parallel connection of coils is set, and the diode D negative pole towards rectifier bridge stack UR positive pole are exported
End.
In use, by heater EH and electric contact thermometer Q in incubator box for domestic fowl, closure switch S, 220V power supply warp
Transformer T is depressured, after rectified bridge heap UR rectifications, then is filtered into direct current to relay KA coils and electric contact temperature through electric capacity C
Degree meter Q powers.When firm closure switch S switches on power, the temperature in incubator box for domestic fowl is less than electric contact thermometer Q setting temperature
Degree, electric contact thermometer Q temperature contact is off, and relay KA normally-closed contact KA-1 keeps normally closed, heating electricity
Road is connected, and heater EH is begun to warm up, when temperature rises to electric contact thermometer Q design temperature, electric contact thermometer Q's
Temperature contact is connected, relay KA coil energized actions, and its normally-closed contact KA-1 disconnects, and heater EH dead electricity stops heating.Two
Pole pipe D plays a part of suppressing to absorb inverse electromotive force as fly-wheel diode in relay KA coil blackout moments.
When supply line is caused threshold value of the live wire L voltages more than the first piezo-resistance RV1 by being struck by lightning, the first piezo-resistance
RV1 is turned on rapidly, and by the first piezo-resistance RV1 and gas-discharge tube GDT, PE's live wire L discharges over the ground, by voltage clamping to threshold
In the range of value；Similarly, when supply line is caused threshold value of the zero line N voltages more than the second piezo-resistance RV2 by being struck by lightning, the second pressure
Quick resistance RV2 is turned on rapidly, and by the second piezo-resistance RV2 and gas-discharge tube GDT, PE's zero line N discharges over the ground, by voltage clamp
Position is in threshold range；For further protection late-class circuit, also the 3rd piezo-resistance RV3 of parallel connection between live wire L and zero line N,
When the voltage between live wire L and zero line N exceeds its threshold value, the 3rd piezo-resistance RV3 is turned on rapidly, by voltage clamping to threshold value
In the range of, effective lightning protection is carried out to the incubator box for domestic fowl circuit of rear class.
Because 20D561K piezo-resistances are cheap, working stability, the first piezo-resistance RV1, the second piezo-resistance
It is 20D561K that RV2, the 3rd piezo-resistance RV3, which are selected,.
Because B8G600L gas-discharge tubes are cheap, working stability, the gas-discharge tube GDT selects B8G600L.
For instruction heater EH working condition, the heater EH is parallel with indicator lamp HL.When normally-closed contact KA-1 is closed
Indicator lamp HL is bright during conjunction, illustrates that heater EH is in heated condition.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any change or replacement expected without creative work should all be covered within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of incubator box for domestic fowl temperature control circuit with lightning protection function, including heater circuit and control circuit；The heating electricity
Road includes the zero line of live wire, switch, the normally-closed contact of relay, heater and the 220V power supplys for the 220V power supplys being serially connected；
It is characterized in that：Also include lightning protection circuit；The lightning protection circuit is provided with the first piezo-resistance, the second piezo-resistance, the 3rd pressure-sensitive
Resistance and gas-discharge tube；Connection live wire and zero line after first piezo-resistance and the second piezo-resistance series connection, first pressure
The connection end of quick resistance and the second piezo-resistance is grounded by gas-discharge tube；The two ends connection live wire of 3rd piezo-resistance
And zero line；
The control circuit includes transformer, rectifier bridge stack, electric capacity, relay coil, electric contact thermometer and diode；It is described
One end of the primary coil of transformer is by switching connection live wire, other end connection zero line, the two ends connection rectification of secondary coil
The input of bridge heap；The electric capacity is connected in parallel on the two ends of rectifier bridge stack output end；One end of the rectifier bridge stack output end, relay
Device coil, electric contact thermometer, the other end of rectifier bridge stack output end are serially connected；The diode and relay coil are in parallel
Set, the cathode output end of the negative pole of the diode towards rectifier bridge stack.
2. a kind of incubator box for domestic fowl temperature control circuit with lightning protection function according to claim 1, it is characterised in that：It is described
First piezo-resistance, the second piezo-resistance, the 3rd piezo-resistance are 20D561K.
3. a kind of incubator box for domestic fowl temperature control circuit with lightning protection function according to claim 1, it is characterised in that：It is described
Gas-discharge tube is B8G600L.
4. a kind of incubator box for domestic fowl temperature control circuit with lightning protection function according to claim 1, it is characterised in that：It is described
Heater is parallel with indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194734.7U CN206479859U (en) | 2017-03-02 | 2017-03-02 | A kind of incubator box for domestic fowl temperature control circuit with lightning protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194734.7U CN206479859U (en) | 2017-03-02 | 2017-03-02 | A kind of incubator box for domestic fowl temperature control circuit with lightning protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479859U true CN206479859U (en) | 2017-09-08 |
Family
ID=59747428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720194734.7U Expired - Fee Related CN206479859U (en) | 2017-03-02 | 2017-03-02 | A kind of incubator box for domestic fowl temperature control circuit with lightning protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022170592A1 (en) * | 2021-02-10 | 2022-08-18 | 华为技术有限公司 | Outdoor electronic device having function of non-grounded lightning protection, and power source module |
-
2017
- 2017-03-02 CN CN201720194734.7U patent/CN206479859U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022170592A1 (en) * | 2021-02-10 | 2022-08-18 | 华为技术有限公司 | Outdoor electronic device having function of non-grounded lightning protection, and power source module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170908 Termination date: 20180302 |