CN219535622U - Four-way motor switching value temperature module - Google Patents
Four-way motor switching value temperature module Download PDFInfo
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- CN219535622U CN219535622U CN202320076094.5U CN202320076094U CN219535622U CN 219535622 U CN219535622 U CN 219535622U CN 202320076094 U CN202320076094 U CN 202320076094U CN 219535622 U CN219535622 U CN 219535622U
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Abstract
The utility model belongs to the technical field of switching value temperature protection, and particularly relates to a four-way motor switching value temperature module, which comprises an isolation power supply and four identical protection modules, wherein the isolation power supply supplies power to the protection modules, the protection modules comprise a connection port IN1, a relay module and a triode, the connection port IN1 is connected with the relay module through the triode, the connection port IN1 is grounded through a thermistor, and the resistance value of the thermistor is IN direct proportion to the temperature of the thermistor. When the thermistor is overtemperature and the resistance is larger than 1.8K, the relay module can be released, the relay J sends a switching signal to the PLC, the collector of the triode Q1 is not connected with the relay J until the thermistor is cooled down and the resistance is 1K, the relay module is attracted, and the circuit works normally.
Description
Technical Field
The utility model belongs to the technical field of switching value temperature protection, and particularly relates to a four-way motor switching value temperature module.
Background
Power is an extremely common resource that has a vital role in life, and is now largely unseparated from life.
When the existing emergency protection circuit device is used, most of protection devices are strictly filtered by triggering conditions of a triggering mechanism in the protection process, so that dangers cannot be found in time, circuit damage is caused, and loss and power generation equipment cannot continue to work.
Therefore, it is necessary to invent a four-way motor switching value temperature module to solve the above problems.
Disclosure of Invention
In order to solve the problems, the utility model provides the four-way motor switching value temperature module, when the thermistor is over-temperature and the resistance is larger than 1.8K, the relay module can be released, the relay J sends a switching signal to the PLC controller, the collector of the triode Q1 is not connected with the relay J until the thermistor is cooled down and the resistance is 1K, the relay module is attracted, and the circuit works normally, so that the problems in the background art are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the four-way motor switching value temperature module comprises an isolation power supply and four identical protection modules, wherein the isolation power supply supplies power for the protection modules, the protection modules comprise a connection port IN1, a relay module and a triode, the connection port IN1 is connected with the relay module through the triode, the connection port IN1 is grounded through a thermistor, and the resistance value of the thermistor is IN direct proportion to the temperature of the thermistor.
Further, the isolation power supply includes an input power supply P1 and a chip U1, a pin VCC of the input power supply P1 is connected with a pin VCC-IN of the chip U1 through a diode D1 and a resistor F1, both a pin GND of the input power supply P1 and a pin GND-IN of the chip U1 are grounded, and the pin VCC of the input power supply P1 is grounded through the diode D1, the resistor F1 and a capacitor E1, and a pin 3 of the chip U1 is electrically connected with the protection module through an inductor L1 and a resistor F2.
Further, the input power P1 inputs 24V, and the isolated power supply provides 24V output voltage to the protection module.
Further, the isolation power supply is connected with the thermistor of the connection port IN1 through a resistor R3 and a resistor R6, the triode comprises a triode Q1 and a triode Q3, the isolation power supply is connected with the collector of the triode Q3 through the resistor R1 and a resistor R4, the isolation power supply is connected with the base of the triode Q3 through the resistor R3 and a resistor R10, and the emitter of the triode Q3 is grounded through a resistor R15.
Further, the isolation power supply is connected with the base electrode of the triode Q1 through a resistor R1, a resistor R4 and a resistor R9, the emitter electrode of the triode Q1 is grounded through a resistor R15, and the collector electrode of the triode Q1 is connected with the relay module.
Further, the relay module comprises a connecting port OUT1-1, a connecting port OUT1-2 and a relay J, the collector electrode of the triode Q1 is connected with the relay J, the relay module is in attraction, the connecting port OUT1-1 is connected with the connecting port OUT1-2, the collector electrode of the triode Q1 is not connected with the relay J, the relay module is released, and the connecting port OUT1-1 and the connecting port OUT1-2 are disconnected.
Further, the relay module further comprises a PLC controller, and the relay J is connected with the PLC controller.
The utility model has the technical effects and advantages that:
1. when the thermistor is overtemperature and the resistance is larger than 1.8K, the relay module can be released, the relay J sends a switching signal to the PLC, the collector of the triode Q1 is not connected with the relay J until the thermistor is cooled down and the resistance is 1K, the relay module is attracted, and the circuit works normally.
2. According to the utility model, the input power supply P1 transmits 24V voltage to the pin VCC-IN of the chip U1 through the diode D1 and the resistor F1, the diode D1 is lightened IN the working process of the isolation power supply, the diode D1 ensures the unidirectional effect of voltage transmission, the chip U1 stabilizes the 24V voltage, and the whole isolation power supply is convenient to output stable 24V voltage to the protection module.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows an isolated power circuit diagram of an embodiment of the present utility model;
fig. 2 shows a circuit diagram of a protection module according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the use process of the existing economic protection circuit device, most of protection devices have severe filtering of triggering conditions of a triggering mechanism in the protection process, so that dangers cannot be found in time. The utility model provides a four-way motor switching value temperature module, when a thermistor is over-heated and the resistance is greater than 1.8K, a relay module can be released, a relay J sends a switching signal to a PLC controller, a collector of a triode Q1 is not connected with the relay J until the thermistor is cooled and the resistance is 1K, and the relay module is attracted and the circuit works normally.
The utility model provides a four-way motor switching value temperature module, which is shown in fig. 1-2, and comprises an isolated power supply and four identical protection modules, wherein the isolated power supply supplies power for the protection modules, the input power supply P1 inputs 24V, and the isolated power supply provides 24V output voltage for the protection modules. The protection is that
The module comprises a connection port IN1, a relay module and a triode, wherein the connection port IN1 and the relay module 5 Is connected by a triode, the connecting port IN1 is grounded by a thermistor, and the thermistor is electrically connected with the circuit
The resistance of the resistor is proportional to the temperature of the thermistor. When the temperature of the thermistor is increased, the resistance of the thermistor is increased, the input signals of four identical protection modules are PTC resistors or switching values, and when the resistance of the thermistor is increased, the output relay acts and is used for protecting the temperature of the switching values of the motor.
In fig. 1, the isolated power supply includes an input power supply P1 and a chip U1, the input power supply P1 0 Pin VCC of (1) is connected with pin VCC-IN of chip U1 via diode D1 and resistor F1, and is input
The power supply P1 transmits 24V voltage to the pin VCC-IN of the chip U1 through the diode D1 and the resistor F1 by the pin VCC, the diode D1 shines IN the working process of the isolated power supply, the diode D1 guarantees the unidirectional effect of voltage transmission, the chip U1 stabilizes the 24V voltage, and the whole isolation is convenient
The off-power supply outputs a smooth 24V voltage to the protection module. Pin GND of input power supply P1 and chip U1 5 The pins GND-IN of the chip U1 are all grounded, and the pin VCC of the input power P1 is grounded through the diode D1, the resistor F1 and the capacitor E1, and the pin 3 of the chip U1 is electrically connected with the protection module through the inductor L1 and the resistor F2. When the chip U1 transmits 24V voltage to the protection module through the inductor L1 and the resistor F2, the inductor L1 can perform voltage stabilizing treatment on the voltage transmitted by the chip U1, and the stability of the transmission voltage of the isolated power supply is ensured.
0 As shown IN fig. 2, the isolated power supply is connected to the thermistor of the connection port IN1 through the resistor R3 and the resistor R6. The triode comprises a triode Q1 and a triode Q3, an isolation power supply is connected with a collector electrode of the triode Q3 through a resistor R1 and a resistor R4, the isolation power supply is connected with a base electrode of the triode Q3 through a resistor R3 and a resistor R10, and an emitter electrode of the triode Q3 is grounded through a resistor R15. If it is
When the resistance of the thermistor is 1K, the resistance of the thermistor is smaller, and the power supply is isolated from passing through the thermistor 5 The current is larger, and at the moment, the line current grounded through the emitter electrode of the triode Q3 is smaller, so that the voltage applied to the triode Q1 by the isolated power supply is increased. If the resistance of the thermistor is greater than 1.8K, the resistance of the thermistor is greater, the current of the isolation power supply through the thermistor is smaller, the line current grounded through the emitter electrode of the triode Q3 is larger at the moment, and the voltage applied to the triode Q1 by the isolation power supply is reduced.
As shown in fig. 2, the isolation power supply is connected with the base electrode of the triode Q1 through a resistor R1, a resistor R4 and a resistor R9, the emitter electrode of the triode Q1 is grounded through a resistor R15, and the collector electrode of the triode Q1 is connected with the relay module. If the base electrode and the emitter electrode of the triode Q1 are conducted, the relay module is attracted, the base electrode and the emitter electrode of the triode Q1 cannot be conducted, and the triode Q1 is cut off. The relay module further comprises a PLC controller, and the relay J is connected with the PLC controller. When the triode Q1 is cut off, the relay J outputs a switching signal to the PLC controller, the PLC controller uses the switching signal as the judgment of the temperature overtemperature of the thermistor, and the relay module is disconnected, so that the circuit is protected conveniently.
As shown IN fig. 2, the relay module includes a connection port OUT1-1, a connection port OUT1-2 and a relay J, the collector of the triode Q1 is connected with the relay J, the relay module is IN attraction, when the resistance of the thermistor connected with the connection port IN1 is 1K, the conducting current of the collector and the emitter of the triode Q3 is smaller, the collector voltage of the triode Q3 is higher, at this time, the base and the emitter of the triode Q1 have enough voltage, the triode Q1 is IN attraction, and the connection port OUT1-1 is connected with the connection port OUT 1-2. The connecting port OUT1-1 is connected with the connecting port OUT1-2, the collector electrode of the triode Q1 is not connected with the relay J, the relay module is released, and the connecting port OUT1-1 is disconnected with the connecting port OUT 1-2. When the resistance value of the thermistor connected with the connection port IN1 is larger than 1.8K, the conducting current of the collector and the emitter of the triode Q3 is increased, the collector voltage of the triode Q3 is higher, at the moment, enough voltage cannot be obtained between the base electrode and the emitter of the triode Q1, the triode Q1 is cut off, the relay module is released, and the connection port OUT1-1 and the connection port OUT1-2 are disconnected.
When the electric Lu Zhongre sensitive resistor reaches over temperature, the relay module is released. And the relay module is released, and when the resistance value of the thermistor is low to a certain value, the relay module is released to restore to a normal suction state. The connection port OUT1-1, the connection port OUT1-2, and the relay J are all in an off state. Avoiding the control circuit from being damaged fatally due to the short circuit of the relay J to the high voltage cable.
The working principle of the utility model is as follows:
referring to fig. 1-2 of the drawings, an input power supply P1 transmits 24V voltage to a pin VCC-IN of a chip U1 through a diode D1 and a resistor F1, the diode D1 shines IN the working process of an isolation power supply, the diode D1 ensures a unidirectional effect of voltage transmission, the chip U1 stabilizes the 24V voltage, and the whole isolation power supply is convenient to output stable 24V voltage to a protection module.
When the resistance value of the thermistor connected with the connection port IN1 is 1K, the conducting current of the collector and the emitter of the triode Q3 is smaller, the collector voltage of the triode Q3 is higher, at the moment, enough voltage is arranged between the base and the emitter of the triode Q1, the triode Q1 is conducted, the relay module is attracted, and the connection port OUT1-1 is connected with the connection port OUT 1-2.
When the resistance value of the thermistor connected with the connection port IN1 is larger than 1.8K, the conducting current of the collector and the emitter of the triode Q3 is increased, the collector voltage of the triode Q3 is higher, at the moment, enough voltage cannot be obtained between the base electrode and the emitter of the triode Q1, the triode Q1 is cut off, the relay module is released, and the connection port OUT1-1 and the connection port OUT1-2 are disconnected.
When the thermistor is over-temperature and the resistance is greater than 1.8K, the relay module can release, the relay J sends a switching signal to the PLC controller, the collector of the triode Q1 is not connected with the relay J until the thermistor is cooled down and the resistance is 1K, the relay module is attracted, and the circuit works normally.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. Four way motor switching value temperature module, its characterized in that: including isolation power and four the same protection module, and isolation power is protection module power supply, protection module includes connection port IN1, relay module and triode, utilizes the triode to connect between connection port IN1 and the relay module, connection port IN1 passes through thermistor ground connection, thermistor's resistance is IN direct proportion with thermistor's temperature.
2. The four-way motor switching value temperature module according to claim 1, wherein:
the isolation power supply comprises an input power supply P1 and a chip U1, a pin VCC of the input power supply P1 is connected with a pin VCC-IN of the chip U1 through a diode D1 and a resistor F1, a pin GND of the input power supply P1 and a pin GND-IN of the chip U1 are grounded, the pin VCC of the input power supply P1 is grounded through the diode D1, the resistor F1 and a capacitor E1, and a pin 3 of the chip U1 is electrically connected with the protection module through an inductor L1 and a resistor F2.
3. The four-way motor switching value temperature module according to claim 2, wherein:
the input power P1 inputs 24V, and the isolated power supply provides 24V output voltage to the protection module.
4. A four-way motor switching temperature module as claimed in claim 3, wherein:
the isolating power supply is connected with the thermistor of the connecting port IN1 through a resistor R3 and a resistor R6, the triode comprises a triode Q1 and a triode Q3, the isolating power supply is connected with the collector of the triode Q3 through a resistor R1 and a resistor R4, the isolating power supply is connected with the base of the triode Q3 through a resistor R3 and a resistor R10, and the emitter of the triode Q3 is grounded through a resistor R15.
5. The four-way motor switching value temperature module according to claim 4, wherein:
the isolation power supply is connected with the base electrode of the triode Q1 through a resistor R1, a resistor R4 and a resistor R9, the emitter electrode of the triode Q1 is grounded through a resistor R15, and the collector electrode of the triode Q1 is connected with the relay module.
6. The four-way motor switching value temperature module according to claim 1, wherein:
the relay module comprises a connecting port OUT1-1, a connecting port OUT1-2 and a relay J, the collector electrode of the triode Q1 is connected with the relay J, the relay module is attracted, the connecting port OUT1-1 is connected with the connecting port OUT1-2, the collector electrode of the triode Q1 is not connected with the relay J, the relay module is released, and the connecting port OUT1-1 and the connecting port OUT1-2 are disconnected.
7. The four-way motor switching value temperature module according to claim 2, wherein:
the relay module further comprises a PLC controller, and the relay J is connected with the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320076094.5U CN219535622U (en) | 2023-01-09 | 2023-01-09 | Four-way motor switching value temperature module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320076094.5U CN219535622U (en) | 2023-01-09 | 2023-01-09 | Four-way motor switching value temperature module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219535622U true CN219535622U (en) | 2023-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320076094.5U Active CN219535622U (en) | 2023-01-09 | 2023-01-09 | Four-way motor switching value temperature module |
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| Country | Link |
|---|---|
| CN (1) | CN219535622U (en) |
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2023
- 2023-01-09 CN CN202320076094.5U patent/CN219535622U/en active Active
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