CN210294843U - Explosion-proof remote regulating controller - Google Patents
Explosion-proof remote regulating controller Download PDFInfo
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- CN210294843U CN210294843U CN201921395340.3U CN201921395340U CN210294843U CN 210294843 U CN210294843 U CN 210294843U CN 201921395340 U CN201921395340 U CN 201921395340U CN 210294843 U CN210294843 U CN 210294843U
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- 230000001105 regulatory effect Effects 0.000 title claims description 5
- 239000003990 capacitor Substances 0.000 claims description 55
- 238000004804 winding Methods 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an explosion-proof remote regulation controller, including singlechip, decoder, motor drive module, RS422 interface, encoder, host computer, keyboard, display screen and power module, power module includes rectifier bridge, first electric capacity, first resistance, second electric capacity, first diode, three-terminal switching power supply, second resistance, third electric capacity, second diode, transformer, third diode, fourth electric capacity, first inductance, fifth electric capacity and voltage output end, the one end of 220V alternating current is connected to an input of rectifier bridge, the other end of 220V alternating current is connected to another input of rectifier bridge, an output of rectifier bridge respectively with the positive pole of first electric capacity, the one end of first resistance and the one end of the primary coil of transformer are connected. Implement the utility model discloses an explosion-proof remote regulation controller has following beneficial effect: the safety and the reliability of the circuit are higher.
Description
Technical Field
The utility model relates to an explosion-proof controller field, in particular to explosion-proof remote regulation controller.
Background
The explosion-proof controller is a composite structure consisting of an explosion-proof shell and an increased safety shell, is formed by welding high-quality steel plates and spraying plastics on the surface or pressing glass fiber unsaturated polyester resin, and is internally provided with an explosion-proof control switch, a control button, an explosion-proof signal lamp and various overload instruments, the internal elements of the control box can be arranged according to the requirements of users, so that multiple functions can be realized, the control switch has multiple specifications and can be selected, the signal lamp has 4 types of red, green, yellow, white and the like, and the instruments can be randomly selected and matched with an ammeter, a voltmeter, a temperature controller, a tachometer and the like. The incoming and outgoing lines are flexible and changeable, can be selected randomly according to the requirements of users, can realize local operation and remote control, and can be specially made according to the requirements of the users. The power supply part of the conventional explosion-proof controller lacks the corresponding circuit protection function, such as: the safety and reliability of the circuit are poor due to the lack of the current-limiting protection function.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide the higher explosion-proof remote regulation controller of security and reliability of a circuit.
The utility model provides a technical scheme that its technical problem adopted is: the explosion-proof remote adjustment controller comprises a single chip microcomputer, a decoder, a motor driving module, an RS422 interface, an encoder, an upper computer, a keyboard, a display screen and a power supply module, wherein the single chip microcomputer is respectively connected with the RS422 interface, the decoder and the motor driving module;
the power supply module comprises a rectifier bridge, a first capacitor, a first resistor, a second capacitor, a first diode, a three-terminal switching power supply, a second resistor, a third capacitor, a second diode, a transformer, a third diode, a fourth capacitor, a first inductor, a fifth capacitor and a voltage output end, wherein one input end of the rectifier bridge is connected with one end of 220V alternating current, the other input end of the rectifier bridge is connected with the other end of the 220V alternating current, one output end of the rectifier bridge is respectively connected with the anode of the first capacitor, one end of the first resistor and one end of a primary coil of the transformer, the other end of the first resistor is respectively connected with the cathode of the first diode and one end of the second capacitor, the other end of the second capacitor is connected with one end of the primary coil of the transformer, the anode of the first diode is respectively connected with the D end of the three-terminal switching power supply and one end of the second resistor, the other end of the second resistor is connected with the other end of the primary coil of the transformer, the end C of the three-terminal switching power supply is respectively connected with the cathode of the second diode and the anode of the third capacitor, the anode of the second diode is connected with one end of the feedback coil of the transformer, and the other output end of the rectifier bridge is respectively connected with the cathode of the first capacitor, the end S of the three-terminal switching power supply, the cathode of the third capacitor and the other end of the feedback coil of the transformer;
one end of a secondary coil of the transformer is connected with the anode of the third diode, the cathode of the third diode is respectively connected with one end of the first inductor and the anode of the fourth capacitor, the other end of the first inductor is respectively connected with the anode of the fifth capacitor and the voltage output end, and the other end of the secondary coil of the transformer is respectively connected with the cathode of the fourth capacitor and the cathode of the fifth capacitor and grounded.
In the explosion-proof remote adjusting controller of the present invention, the resistance of the second resistor is 25k Ω.
In the explosion-proof remote adjusting controller, the power module further includes a fourth diode, an anode of the fourth diode is connected to the other end of the second capacitor, and a cathode of the fourth diode is connected to one end of the primary coil of the transformer.
In the explosion-proof remote adjusting controller of the present invention, the model of the fourth diode is S-822T.
In the explosion-proof remote adjusting controller, the power module further includes a third resistor, one end of the third resistor is connected to an output end of the rectifier bridge, and the other end of the third resistor is connected to a negative electrode of the first capacitor.
In the explosion-proof remote adjusting controller of the present invention, the resistance of the third resistor is 36k Ω.
In the explosion-proof remote adjusting controller of the present invention, the model of the three-terminal switching power supply is WS 157.
Implement the utility model discloses an explosion-proof remote regulation controller has following beneficial effect: because be equipped with the singlechip, the decoder, motor drive module, the RS422 interface, the encoder, the host computer, the keyboard, display screen and power module, power module includes rectifier bridge, first electric capacity, first resistance, the second electric capacity, first diode, three-terminal switching power supply, the second resistance, the third electric capacity, the second diode, the transformer, the third diode, the fourth electric capacity, first inductance, fifth electric capacity and voltage output end, the second resistance is used for carrying out current-limiting protection, therefore the security and the reliability of circuit are higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the explosion-proof remote regulating controller of the present invention;
fig. 2 is a schematic circuit diagram of the power supply module in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the embodiment of the explosion-proof remote adjusting controller of the present invention, the schematic structural diagram of the explosion-proof remote adjusting controller is shown in fig. 1. In fig. 1, this explosion-proof remote regulation controller includes singlechip 1, decoder 2, motor drive module 3, RS422 interface 4, encoder 5, host computer 6, keyboard 7, display screen 8 and power module 9, wherein, singlechip 1 respectively with RS422 interface 4, decoder 2 and motor drive module 3 are connected, encoder 5 is connected with decoder 2, motor drive module 3 is connected with encoder 5 through the governing valve, host computer 6 respectively with RS422 interface 4, keyboard 7 and display screen 8 are connected, power module 9 is connected with singlechip 1.
The motor driving module 3 realizes the opening control of the rotating regulating valve through a driving motor, the motor adopts a stepping motor, and the control mode adopts PWM control.
The communication between the singlechip 1 and the upper computer 6 is completed through the RS422 interface 4, so that the aim of remote control is fulfilled. The model adopted by the singlechip 1 is STC12C5A60S2, the upper computer 6 receives and controls the data of the singlechip 1, the state is displayed through the display screen 8, and the data is input through the keyboard 7, so that man-machine conversation is realized.
The utility model discloses an encoder 5 carries out signal feedback, handles the aperture control that the back cooperates the motor to carry out the valve through 1 count of singlechip to utilize PID algorithm to guarantee the precision and the responsivity of control, utilize industrial bus to connect host computer 6, realize governing valve remote regulation control's design.
Fig. 2 is a schematic circuit diagram of a power module in this embodiment, in fig. 2, the power module 9 includes a rectifier bridge Z, a first capacitor C1, a first resistor R1, a second capacitor C2, a first diode D1, a three-terminal switching power supply U1, a second resistor R2, a third capacitor C3, a second diode D2, a transformer T, a third diode D3, a fourth capacitor C4, a first inductor L1, a fifth capacitor C5, and a voltage output Vo, one input terminal of the rectifier bridge Z is connected to one terminal of 220V alternating current, the other input terminal of the rectifier bridge Z is connected to the other terminal of the 220V alternating current, one output terminal of the rectifier bridge Z is respectively connected to an anode of the first capacitor C1, one terminal of the first resistor R1, and one terminal of a primary winding of the transformer T, the other terminal of the first resistor R1 is respectively connected to a cathode of the first diode D1 and one terminal of the second capacitor C2, and the other terminal of the primary winding of the transformer T2 is connected to one terminal of the transformer T, the anode of the first diode D1 is connected with the D end of the three-terminal switching power supply U1 and one end of the second resistor R2 respectively, the other end of the second resistor R2 is connected with the other end of the primary coil of the transformer T, the C end of the three-terminal switching power supply U1 is connected with the cathode of the second diode D2 and the anode of the third capacitor C3 respectively, the anode of the second diode D2 is connected with one end of the feedback coil of the transformer T, and the other output end of the rectifier bridge Z is connected with the cathode of the first capacitor C1, the S end of the three-terminal switching power supply U1, the cathode of the third capacitor C3 and the other end of the feedback coil of the transformer T respectively.
One end of a secondary coil of the transformer T is connected to an anode of the third diode D3, a cathode of the third diode D3 is connected to one end of the first inductor L1 and an anode of the fourth capacitor C4, respectively, the other end of the first inductor L1 is connected to an anode of the fifth capacitor C5 and the voltage output Vo, and the other end of the secondary coil of the transformer T is connected to a cathode of the fourth capacitor C4 and a cathode of the fifth capacitor C5, respectively, and is grounded.
In this embodiment, the second resistor R2 is a current limiting resistor for performing current limiting protection. The current limiting protection principle is as follows: when the current of the branch where the second resistor R2 is located is large, the current of the branch where the second resistor R2 is located can be reduced by the second resistor R2, so that the branch is kept in a normal operating state, and the components in the circuit are not burned out due to too large current, so that the safety and reliability of the circuit are high. It should be noted that, in the present embodiment, the resistance of the second resistor R2 is 25k Ω. Of course, in practical applications, the resistance of the second resistor R2 may be adjusted according to specific situations, that is, the resistance of the second resistor R2 may be increased or decreased according to specific situations.
In this embodiment, the three-terminal switching power supply U1 is model WS 157.
The working principle of the power module 9 is as follows: after the power supply is switched on, 220V alternating current is firstly filtered by a bridge rectifier and a first capacitor C1 to obtain 300V direct current high voltage, then required working voltage is provided for a three-terminal switching power supply U1 through a primary coil of a transformer T, pulse width modulation power signals output from a secondary coil are subjected to high-frequency rectification filtering through a third diode D2, a fourth capacitor C4, a first inductor L1 and a fifth capacitor C5 to obtain +12V stabilized voltage output, the voltage on a feedback coil is rectified and filtered through a second diode D2 and a third capacitor C3 to be added to a control terminal C, and reverse peak voltage on a drain electrode can be effectively inhibited through a clamping loop formed by a first resistor R1, a second capacitor C1 and a first diode D1.
In this embodiment, the power module 9 further includes a fourth diode D4, an anode of the fourth diode D4 is connected to the other end of the second capacitor C2, and a cathode of the fourth diode D4 is connected to one end of the primary winding of the transformer T. The fourth diode D4 is a current limiting diode for current limiting protection. The current limiting protection principle is as follows: when the current of the branch in which the fourth diode D4 is located is large, the current of the branch in which the fourth diode D4 is located can be reduced by the fourth diode D4, so that the branch can be kept in a normal operating state, and the device in the circuit cannot be burned out due to the large current, so that the safety and reliability of the circuit are further enhanced. It should be noted that in the present embodiment, the fourth diode D4 has a model number of S-822T. Of course, in practical applications, the fourth diode D4 may also be another type of diode with similar functions.
In this embodiment, the power module 9 further includes a third resistor R3, one end of the third resistor R3 is connected to one output terminal of the rectifier bridge Z, and the other end of the third resistor R3 is connected to the negative electrode of the first capacitor C1. The third resistor R3 is a current limiting resistor for current limiting protection. The current limiting protection principle is as follows: when the current of the branch where the third resistor R3 is located is large, the current of the branch where the third resistor R3 is located can be reduced by the third resistor R3, so that the branch can be kept in a normal operating state, and the components in the circuit cannot be burned out due to the large current, so that the safety and reliability of the circuit are further enhanced. It should be noted that, in the present embodiment, the resistance of the third resistor R3 is 36k Ω. Of course, in practical applications, the resistance of the third resistor R3 may be adjusted according to specific situations, that is, the resistance of the third resistor R3 may be increased or decreased according to specific situations.
In short, in this embodiment, the current-limiting resistor is provided in the power module 9, so that the safety and reliability of the circuit are high.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An explosion-proof remote regulation controller is characterized by comprising a single chip microcomputer, a decoder, a motor driving module, an RS422 interface, an encoder, an upper computer, a keyboard, a display screen and a power supply module, wherein the single chip microcomputer is respectively connected with the RS422 interface, the decoder and the motor driving module;
the power supply module comprises a rectifier bridge, a first capacitor, a first resistor, a second capacitor, a first diode, a three-terminal switching power supply, a second resistor, a third capacitor, a second diode, a transformer, a third diode, a fourth capacitor, a first inductor, a fifth capacitor and a voltage output end, wherein one input end of the rectifier bridge is connected with one end of 220V alternating current, the other input end of the rectifier bridge is connected with the other end of the 220V alternating current, one output end of the rectifier bridge is respectively connected with the anode of the first capacitor, one end of the first resistor and one end of a primary coil of the transformer, the other end of the first resistor is respectively connected with the cathode of the first diode and one end of the second capacitor, the other end of the second capacitor is connected with one end of the primary coil of the transformer, the anode of the first diode is respectively connected with the D end of the three-terminal switching power supply and one end of the second resistor, the other end of the second resistor is connected with the other end of the primary coil of the transformer, the end C of the three-terminal switching power supply is respectively connected with the cathode of the second diode and the anode of the third capacitor, the anode of the second diode is connected with one end of the feedback coil of the transformer, and the other output end of the rectifier bridge is respectively connected with the cathode of the first capacitor, the end S of the three-terminal switching power supply, the cathode of the third capacitor and the other end of the feedback coil of the transformer;
one end of a secondary coil of the transformer is connected with the anode of the third diode, the cathode of the third diode is respectively connected with one end of the first inductor and the anode of the fourth capacitor, the other end of the first inductor is respectively connected with the anode of the fifth capacitor and the voltage output end, and the other end of the secondary coil of the transformer is respectively connected with the cathode of the fourth capacitor and the cathode of the fifth capacitor and grounded.
2. An explosion proof remote regulating controller according to claim 1, wherein the second resistor has a resistance of 25k Ω.
3. The explosion-proof remote regulation controller of claim 2 wherein the power module further comprises a fourth diode, the anode of the fourth diode being connected to the other end of the second capacitor, the cathode of the fourth diode being connected to one end of the primary winding of the transformer.
4. The explosion proof remote adjustment controller of claim 3, wherein the fourth diode is of type S-822T.
5. The explosion-proof remote regulation controller of claim 4 wherein the power module further comprises a third resistor, one end of the third resistor is connected to one output terminal of the rectifier bridge, and the other end of the third resistor is connected to the negative electrode of the first capacitor.
6. The explosion proof remote regulator controller of claim 5 wherein the third resistor has a resistance of 36k Ω.
7. The explosion-proof remote regulation controller of any one of claims 1 to 6 wherein the three-terminal switching power supply is model WS 157.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921395340.3U CN210294843U (en) | 2019-08-26 | 2019-08-26 | Explosion-proof remote regulating controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921395340.3U CN210294843U (en) | 2019-08-26 | 2019-08-26 | Explosion-proof remote regulating controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210294843U true CN210294843U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921395340.3U Expired - Fee Related CN210294843U (en) | 2019-08-26 | 2019-08-26 | Explosion-proof remote regulating controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210294843U (en) |
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2019
- 2019-08-26 CN CN201921395340.3U patent/CN210294843U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |