CN207409116U - Baker electrothermal tube broken circuit alarmer - Google Patents
Baker electrothermal tube broken circuit alarmer Download PDFInfo
- Publication number
- CN207409116U CN207409116U CN201721429473.9U CN201721429473U CN207409116U CN 207409116 U CN207409116 U CN 207409116U CN 201721429473 U CN201721429473 U CN 201721429473U CN 207409116 U CN207409116 U CN 207409116U
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- China
- Prior art keywords
- circuit
- baker
- resistance
- electrothermal tube
- connection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of baker electrothermal tube broken circuit alarmer, including baker temperature control system and integrated regulated power supply, it is characterised in that：Further include alarm detection control circuit, Signal acquiring and processing circuit and warning circuit, baker temperature control system, Signal acquiring and processing circuit and the warning circuit is sequentially connected in series, the alarm detection control circuit is connected between baker temperature control system and Signal acquiring and processing circuit, and the integrated regulated power supply provides power supply for warning circuit.Advantage：The working condition of each electrothermal tube in baker can be found in real time, and personnel easy to repair search and replace the electrothermal tube of damage in time, it is ensured that the temperature in baker is smoothly controllable, so as to ensure electromagnetic wire final product quality well.
Description
Technical field
The utility model belongs to alarm technical field, and in particular to a kind of baker electrothermal tube broken circuit alarmer.
Background technology
Electromagnetic wire is the core component of motor, needs to use what is be made of up to a hundred electrothermal tubes in production process
Electric heating baking oven completes the baked and cured of copper line surface insulated paint.Baker, with special heating curve, is heating up in heating
The variation of temperature in burner hearth is controlled generally by temperature control system in the process, otherwise can prevent temperature-rise period from bent according to heating
Line carries out.However, the electrothermal tube in baker is easily damaged in continuous use, the unsmooth or even stove of heating curve is be easy to cause
Warm is out of control.The existing monitoring alarm for baker can not the numerous electrothermal tubes of real-time display working condition, can not
The electrothermal tube of damage is found in time and is repaired, so as to cause the unstable of electromagnetic wire final product quality.
In view of above-mentioned prior art, the applicant has made beneficial design, technical solution described below be
It is generated under this background.
The content of the invention
The purpose of this utility model is to provide a kind of baker electrothermal tube broken circuit alarmers, can monitor in real time in display baker
The working condition of each electrothermal tube.
The purpose of this utility model is such to what is reached, a kind of baker electrothermal tube broken circuit alarmer, including baker temperature control
System and integrated regulated power supply, it is characterised in that：Further include alarm detection control circuit, Signal acquiring and processing circuit and report
Alert circuit, the baker temperature control system, Signal acquiring and processing circuit and warning circuit are sequentially connected in series, alarm inspection
For observing and controlling circuit connected in series between baker temperature control system and Signal acquiring and processing circuit, the integrated regulated power supply is alarm
Circuit provides power supply.
In a specific embodiment of the utility model, when the alarm detection control circuit uses timing closing
Between relay K1, the pull-in winding connection of the timing closing time relay K1 baker temperature control system, the timing closing time
One end of the timing closing contact of relay K1 is connected with+5V DC power supplies, the other end connection Signal acquiring and processing
Circuit.
In another specific embodiment of the utility model, it is mutual that the Signal acquiring and processing circuit includes electric current
Sensor T1, resistance R3, R5, R6, capacitance C1, light emitting diode D1 and phase inverter U1A, wherein, the phase inverter U1A is used
Baker temperature control system described in the primary coil connection of 74LS05, the current transformer T1, one end and the electricity of secondary coil
R5 connections are hindered, the other end of resistance R5 and 1 foot of the anode of light emitting diode D1, the anode of capacitance C1 and phase inverter U1A connect
It connecing, 2 feet of phase inverter U1A are connected with one end of one end of resistance R3 and resistance R6, and connect the warning circuit jointly,
Alarm detection control circuit described in the other end connection of resistance R3, the other end of the secondary coil of current transformer T1 shine
The other end of the cathode of diode D1, the other end of capacitance C1 and resistance R6 is grounded jointly.
In another specific embodiment of the utility model, the warning circuit includes resistance R4, silicon-controlled X1
And the integrated regulated power supply described in one end connection of light emitting diode D2, the resistance R4, the other end connection of resistance R4
The anode of silicon-controlled X1, the anode of the cathode connecting luminous diode D2 of silicon-controlled X1, silicon-controlled X1 control pole connection described in
Signal acquiring and processing circuit, light emitting diode D2 cathode ground connection
The utility model compared with prior art, has an advantageous effect in that due to the above structure,：It can send out in real time
The working condition of each electrothermal tube, personnel easy to repair search and replace the electrothermal tube of damage in time in existing baker, it is ensured that in baker
Temperature it is smoothly controllable, so as to ensure electromagnetic wire final product quality well.
Description of the drawings
Fig. 1 is the functional block diagram of the utility model.
Fig. 2 is the electrical connection schematic diagram of the utility model.
Specific embodiment
In order to which the public is enable to be fully understood by the technical essence of the utility model and advantageous effect, applicant will combine below
Specific embodiment of the present utility model is described in detail in attached drawing, but applicant is not to technical solution to the description of embodiment
Limitation, it is any that the protection model that should be all considered as the utility model is changed in the form rather than substance according to the utility model design
It encloses.
Referring to Fig. 1, the utility model is related to a kind of baker electrothermal tube broken circuit alarmer, including baker temperature control system and collection
Into regulated power supply, alarm detection control circuit, Signal acquiring and processing circuit and warning circuit are further included.The baker temperature
Control system, Signal acquiring and processing circuit and warning circuit are sequentially connected in series, and the alarm detection control circuit is connected on baking
Between stove temperature control system and Signal acquiring and processing circuit.The Signal acquiring and processing circuit connects from baker temperature control system
It receives fault-signal and is sent to warning circuit, alarm detection control circuit is adopted after baker temperature control system receives signal through signal
Collection controls warning circuit work after completing respective handling with process circuit.The integrated regulated power supply provides electricity for warning circuit
Source.
Referring to Fig. 2, and with reference to Fig. 1, in the present embodiment, the baker temperature control system includes temperature detect switch (TDS) S1 and electricity
Heat pipe R1, the alarm detection control circuit use timing closing time relay K1, Signal acquiring and processing electricity
Road includes current transformer T1, resistance R3, R5, R6, capacitance C1, light emitting diode D1 and phase inverter U1A, wherein, it is described
Phase inverter U1A uses 74LS05, and the warning circuit includes resistance R4, silicon-controlled X1 and light emitting diode D2.Baker temperature
One end of one end connection 220V power supplys of the temperature detect switch (TDS) S1 of control system, the baking that the 220V power supplys are made of electrothermal tube R1
Stove electric heating tube loop provides power supply.The other end of temperature detect switch (TDS) S1 and one end of electrothermal tube R1 and alarm detection control circuit
One end connection of the pull-in winding of timing closing time relay K1, the other end connection Signal acquiring and processing electricity of electrothermal tube R1
One end of the primary coil of current transformer T1 in road, when the other end of the primary coil of current transformer T1 and timing closing
Between the other end of pull-in winding of relay K1 connect the other ends of 220V power supplys jointly.The delay of alarm detection control circuit is closed
The one end for closing the timing closing contact of time relay K1 is connected with+5V DC power supplies.The electric current of Signal acquiring and processing circuit
One end of the secondary coil of mutual inductor T1 is connected with resistance R5, the other end of resistance R5 and anode, the capacitance of light emitting diode D1
The 1 foot connection of the anode and phase inverter U1A of C1,2 feet of phase inverter U1A connect with one end of resistance R3 and one end of resistance R6
It connects, and connects the control pole of the silicon-controlled X1 of the warning circuit, the other end connection alarm detection control of resistance R3 jointly
The other end of the timing closing contact of timing closing time relay K1 in circuit.The secondary wire of the current transformer T1
The other end of circle, the cathode of light emitting diode D1, the other end of the other end of capacitance C1 and resistance R6 are grounded jointly.Described
Warning circuit in, one end of resistance R4 connection integrated regulated power supply, the other end connection of resistance R4 is controllable
The anode of silicon X1, the anode of the cathode connecting luminous diode D2 of silicon-controlled X1, the cathode ground connection of light emitting diode D2.Described
Integrated regulated power supply includes transformer T3, rectifier bridge DB1, capacitance C2, capacitance C3, capacitance C5, three terminal regulator U2 and reset
S2 is switched, wherein, three terminal regulator U2 is 7805.The primary coil connection 220V DC power supplies of transformer T3, output voltage
+ 5V DC power supplies are exported after rectified bridge DB rectifications and three terminal regulator U2 voltage stabilizings, power supply is provided for the warning circuit.
Please continue to refer to Fig. 2, the utility model can be used for the working condition for detecting and showing multichannel electrothermal tube, all the way electric heating
The Signal acquiring and processing circuit and warning circuit that pipe correspondence is connected in series all the way.Two-way electrothermal tube is illustrated on figure, in figure
R2 is another electrothermal tube.Hereinafter, illustrated by taking the electric heating tube loop where R1 as an example.
Be closed the temperature detect switch (TDS) S1 of the baker temperature control system, electrothermal tube energization is begun to warm up, the timing closing time after
The pull-in winding of electric appliance K1 obtain it is electric, delay 3-5 seconds after make timing closing contact closure.At this point, 5V supply voltages pass through resistance R3
It releases phase inverter U1A outputs and continues forbidding manufacture for low potential, logical break signal is made to be allowed to enter warning circuit.Above-mentioned delay 3-
The effect of 5 seconds is sequential adjustment, and Signal acquiring and processing circuit can export stable status signal when guarantee is lifted a ban, and avoid missing
Triggering alarm.The resistance R3 is pull-up resistor.In the Signal acquiring and processing circuit, current transformer T1's is first
Grade coil connection electrothermal tube R1, when heating tube R1 is begun to warm up, there are one electric current letters for meeting in the secondary coil of current transformer T1
Number.Resistance R5 in figure is current-limiting resistance, for the current control in circuit to be played electric heating in 15-20MA, light emitting diode D1
The instruction of pipe normal power-up and rectified action, are arranged to glow green here, the pressure during normally of green LED
It is 3-3.2V to drop parameter.Input terminal of the pressure drop of more than 3V as high level signal input inverter U1A herein, corresponding output
Low level send to the control pole of silicon-controlled X1, this be the normal signal of indicating circuit pipe.Wherein, the phase inverter U1A rises
Signal shaping processing and control action, when resistance R3 does not power vacantly, the output of phase inverter U1A can be maintained at low electricity always
It is flat, during normal power down control by temperature detect switch (TDS) S1 to prevent electrothermal tube, warning circuit is made to take for electrothermal tube breaking and cause mistake
Alarm.Capacitance C4 plays time-lag action, prevents electrothermal tube normal short circuit moment because sequence problem causes false triggering.In warning circuit
The logical break signal of the control pole real-time reception Signal acquiring and processing circuit output of silicon-controlled X1.It, should when electrothermal tube open circuit
Signal is high level, triggers silicon-controlled X1 conductings, and then light emitting diode D2 conductings shine and start to alarm, light emitting diode D2
It is arranged to feux rouges.After silicon-controlled X1 is triggered, light emitting diode D2 can be lighted persistently, until damage electrothermal tube is repaired
Afterwards, maintenance personal is resetted by pressing reset switch S2, so that circuit reenters alarm latency state.
Claims (4)
1. a kind of baker electrothermal tube broken circuit alarmer, including baker temperature control system and integrated regulated power supply, it is characterised in that：Also wrap
Include alarm detection control circuit, Signal acquiring and processing circuit and warning circuit, the baker temperature control system, signal acquisition
It is sequentially connected in series with process circuit and warning circuit, the alarm detection control circuit is connected on baker temperature control system and signal
Between acquisition and process circuit, the integrated regulated power supply provides power supply for warning circuit.
2. baker electrothermal tube broken circuit alarmer according to claim 1, it is characterised in that the alarm detection control electricity
Road uses timing closing time relay K1, the baker temperature control system described in the pull-in winding connection of timing closing time relay K1
System, one end of the timing closing contact of timing closing time relay K1 are connected with+5V DC power supplies, described in other end connection
Signal acquiring and processing circuit.
3. baker electrothermal tube broken circuit alarmer according to claim 1, it is characterised in that the Signal acquiring and processing
Circuit includes current transformer T1, resistance R3, resistance R5, resistance R6, capacitance C1, light emitting diode D1 and phase inverter U1A,
In, the phase inverter U1A uses 74LS05, the baker temperature control system described in the primary coil connection of the current transformer T1
System, one end of secondary coil are connected with resistance R5, the other end of resistance R5 and the anode of light emitting diode D1, the anode of capacitance C1
And the 1 foot connection of phase inverter U1A, 2 feet of phase inverter U1A are connected with one end of one end of resistance R3 and resistance R6, and altogether
With the connection warning circuit, the alarm detection control circuit described in the other end connection of resistance R3, current transformer T1's
The other end of secondary coil, the cathode of light emitting diode D1, the other end of the other end of capacitance C1 and resistance R6 are grounded jointly.
4. baker electrothermal tube broken circuit alarmer according to claim 1, it is characterised in that the warning circuit includes electricity
Hinder one end connection of R4, silicon-controlled X1 and light emitting diode D2, the resistance R4 integrated regulated power supply, resistance R4
The other end connect the anode of silicon-controlled X1, the anode of the cathode connecting luminous diode D2 of silicon-controlled X1, the control of silicon-controlled X1
The pole connection processed Signal acquiring and processing circuit, the cathode ground connection of light emitting diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721429473.9U CN207409116U (en) | 2017-10-31 | 2017-10-31 | Baker electrothermal tube broken circuit alarmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721429473.9U CN207409116U (en) | 2017-10-31 | 2017-10-31 | Baker electrothermal tube broken circuit alarmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207409116U true CN207409116U (en) | 2018-05-25 |
Family
ID=62408543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721429473.9U Expired - Fee Related CN207409116U (en) | 2017-10-31 | 2017-10-31 | Baker electrothermal tube broken circuit alarmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207409116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796001A (en) * | 2020-07-13 | 2020-10-20 | 宏辉磁电科技(安徽)有限公司 | Automatic alarm system for breakage of stick of sintering furnace |
-
2017
- 2017-10-31 CN CN201721429473.9U patent/CN207409116U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796001A (en) * | 2020-07-13 | 2020-10-20 | 宏辉磁电科技(安徽)有限公司 | Automatic alarm system for breakage of stick of sintering furnace |
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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 |
Granted publication date: 20180525 Termination date: 20211031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |