CN209994275U - Vehicle remote input/output module power supply device - Google Patents
Vehicle remote input/output module power supply device Download PDFInfo
- Publication number
- CN209994275U CN209994275U CN201822216063.7U CN201822216063U CN209994275U CN 209994275 U CN209994275 U CN 209994275U CN 201822216063 U CN201822216063 U CN 201822216063U CN 209994275 U CN209994275 U CN 209994275U
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistor
- output
- power supply
- voltage
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model relates to a vehicle long-range input/output module power supply unit, include: the device comprises a booster circuit, a transformation circuit, a driving circuit, a detection circuit and a starting voltage circuit; the detection circuit comprises a first voltage division circuit and an operational amplifier, the voltage division circuit comprises a voltage division resistor and a second voltage division resistor, the first voltage division resistor is a high-voltage color ring resistor, the two ends of the first voltage division resistor are respectively connected with the output end of the booster circuit and one end of the second voltage division resistor, the other end of the second voltage division resistor is grounded, and the voltage division output end of the voltage division circuit is connected to the input end of the operational amplifier. Compared with the prior art, the utility model discloses utilize bleeder circuit and fortune to put the output that realizes control signal to first divider resistance adopts metal film glass glaze high pressure color ring resistance, and nature is stable, can not be because of the change of resistance value takes place under the high-pressure condition, thereby realizes the stability of partial pressure output, makes power module job stabilization, has reduced the fault rate.
Description
Technical Field
The utility model belongs to the technical field of the track traffic and specifically relates to a long-range input/output module power supply unit of vehicle is related to.
Background
The main function of the rail transit vehicle remote input and output module ROIM T35 is similar to an intelligent transceiver, collects information of each system of the vehicle (including traction, braking, car door, etc.), and forwards the information to a main control unit of a Train Information Management System (TIMS) after processing. The RIOM T35 module is composed of 11 circuit boards, which are respectively a power supply board, a CPU board, a FIP communication board, a 485 communication board, an I/O control board, an I/O output board and an I/O input board. The plates are connected by a flat cable at the bottom to form the whole module. During actual maintenance, the fault of the vehicle remote input and output module ROIM T35 is mainly found to occur on the part of the power panel, and the power panel can not supply power normally, so that the whole module is damaged.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a power supply device for a vehicle remote input/output module, which overcomes the above-mentioned drawbacks of the prior art.
The purpose of the utility model can be realized through the following technical scheme:
a vehicle remote input output module power supply apparatus comprising:
the input end of the booster circuit is connected with a train power supply and used for converting the train direct current 110V into the direct current 160V;
the input end of the voltage transformation circuit is connected with the output end of the booster circuit and is used for converting the direct current 160V into direct current 15V and alternating current 15V respectively;
the output end of the driving circuit is connected with the booster circuit and is used for controlling the booster circuit to work;
the signal input end of the detection circuit is connected with the output end of the booster circuit, the electric energy input end of the detection circuit is connected with the output end of the transformation circuit, and the output end of the detection circuit is connected with the drive circuit;
the power input end of the starting voltage circuit is connected with a train power supply, and the output end of the starting voltage circuit is respectively connected with the power input ends of the driving circuit and the detection circuit, and is used for starting the driving circuit and the detection circuit and disconnecting the driving circuit and the detection circuit after the output of the transformation circuit is stable;
the detection circuit comprises a first voltage division circuit and an operational amplifier, the voltage division circuit comprises a first voltage division resistor and a second voltage division resistor, the first voltage division resistor is a metal film glass glaze high-voltage color ring resistor, the two ends of the first voltage division resistor are respectively connected with the output end of the booster circuit and one end of the second voltage division resistor, the other end of the second voltage division resistor is grounded, the voltage division output end of the voltage division circuit is connected to the input end of the operational amplifier, the output end of the operational amplifier is connected to the driving circuit, and the electric energy input end of the operational amplifier is respectively connected with the output end of the starting voltage circuit and the output end of the transformation circuit.
The resistance value of the second divider resistor is 10K ohms, the resistance value of the first divider resistor is 301K, and the rated capacity is at least 0.5W.
The detection circuit further comprises a third resistor and a fourth resistor, and the negative input end of the operational amplifier is connected to the voltage division output end of the voltage division circuit through the third resistor and is connected to the driving circuit through the fourth resistor.
And the positive input end of the operational amplifier is connected to a reference voltage through a fifth resistor and is grounded through a capacitor.
The starting voltage circuit comprises a sixth resistor, a voltage stabilizing diode, a seventh resistor and a switch tube, the switch tube is an N-channel field effect tube, one end of the sixth resistor is connected to a train power supply, the other end of the sixth resistor is connected to a drain electrode of the switch tube, source electrodes of the switch tube are respectively connected to electric energy input ends of the detection circuit and the driving circuit, an anode of the voltage stabilizing diode, a grid electrode of the voltage stabilizing diode is respectively connected to a cathode of the voltage stabilizing diode and one end of the seventh resistor, and the other end of the seventh resistor is connected to the train power supply.
The power supply device also comprises an input filter protection circuit, and the input filter protection circuit is arranged between the input end of the booster circuit and the train power supply.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) utilize bleeder circuit and fortune to put the output that realizes control signal to first divider resistance adopts metal film glass glaze high pressure color ring resistance, and the nature is stable, can not take place the change of resistance value because of under the high-pressure condition, thereby realizes the stability of partial pressure output, makes power module job stabilization, has reduced the fault rate.
2) The resistance value of the second divider resistor is 10K ohms, the resistance value of the first divider resistor is 301K, the rated capacity is at least 0.5W, the stability of divided voltage output is improved, main voltage is applied to two ends of the first divider resistor, and the requirement for the second divider resistor is lowered.
3) By adopting the N-channel field effect transistor, the problem that the field effect transistor cannot be turned off due to unstable output of the voltage transformation circuit can be avoided based on the stability of the first voltage division resistor.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a circuit schematic of the detection circuit;
FIG. 3 is a circuit diagram of a start-up voltage circuit;
wherein: 1. the circuit comprises a filter protection circuit 2, a booster circuit 3, a voltage transformation circuit 4, a driving circuit 5, a detection circuit 6 and a starting voltage circuit.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A vehicle remote input output module power supply apparatus, as shown in fig. 1, comprising:
the input end of the booster circuit 2 is connected with a train power supply and is used for converting the train direct current 110V into the direct current 160V, and the booster circuit is an improvement on the part, so that the details are not repeated;
an input end of the voltage transformation circuit 3 is connected with an output end of the voltage boost circuit 2 and is used for converting the direct current 160V into the direct current 15V and the alternating current 15V respectively, and the voltage transformation circuit is improved for the part, so that the details are not repeated;
the output end of the driving circuit 4 is connected with the booster circuit 2 and is used for controlling the booster circuit 2 to work, and the driving circuit is an improvement on the boosting circuit 2, so that the details are not repeated;
the signal input end of the detection circuit 5 is connected with the output end of the booster circuit 2, the electric energy input end is connected with the output end of the transformation circuit 3, and the output end is connected with the drive circuit 4;
the power input end of the starting voltage circuit 6 is connected with a train power supply, the output end of the starting voltage circuit is respectively connected with the power input ends of the driving circuit 4 and the detection circuit 5, and the starting voltage circuit is used for starting the driving circuit 4 and the detection circuit 5 and is disconnected after the output of the voltage transformation circuit 3 is stable;
as shown in fig. 1, the detection circuit 5 includes a first voltage dividing circuit and an operational amplifier, the voltage dividing circuit includes a first voltage dividing resistor R41 and a second voltage dividing resistor R40, the first voltage dividing resistor R41 is a metal film glass glaze high voltage color ring resistor, two ends of the first voltage dividing resistor R41 are respectively connected to the output end of the voltage boosting circuit 2 and one end of the second voltage dividing resistor R40, the other end of the second voltage dividing resistor R40 is grounded, the voltage dividing output end of the voltage dividing circuit is connected to the input end of the operational amplifier, the output end of the operational amplifier is connected to the driving circuit 4, and the power input end of the operational amplifier is respectively connected to the output end of the starting voltage circuit 6 and the output end of the voltage transformation.
Utilize bleeder circuit and fortune to put the output that realizes control signal to first divider resistance adopts metal film glass glaze high pressure color ring resistance, and the nature is stable, can not take place the change of resistance value because of under the high-pressure condition, thereby realizes the stability of partial pressure output, makes power module job stabilization, has reduced the fault rate.
The resistance of the second divider resistor R40 is 10K ohm, the resistance of the first divider resistor R41 is 301K, and the rated capacity is at least 0.5W.
The detection circuit 5 further comprises a third resistor R39 and a fourth resistor R38, and the negative input terminal of the operational amplifier is connected to the voltage division output terminal of the voltage division circuit through the third resistor R39 and is connected to the driving circuit 4 through the fourth resistor R38.
The positive input terminal of the operational amplifier is connected to the reference voltage through a fifth resistor R42 and is grounded through a capacitor C24.
As shown in fig. 3, the starting voltage circuit 6 includes a sixth resistor R13, a zener diode D13, a seventh resistor R10 and a switch Q7, the switch Q7 is an N-channel fet, one end of the sixth resistor R13 is connected to the train power supply, the other end is connected to the drain of the switch Q7, the source of the switch Q7 is connected to the power input terminals of the detection circuit 5 and the driving circuit 4, respectively, and the anode of the zener diode D13, the gates of the switch Q3684 are connected to the cathode of the zener diode D13 and one end of the seventh resistor R10, respectively, and the other end of the seventh resistor R10 is connected to the train power supply.
The power supply device further comprises an input filter protection circuit 1, wherein the input filter protection circuit 1 is arranged between the input end of the booster circuit 2 and the train power supply, and the input filter protection circuit 1 is improved for the part, so that the details are not repeated.
The RIOM T35 power panel is used for converting the voltage of the train DC110V into 15V alternating current voltage and direct current, the alternating current is output to the CPU board and the communication board for use, and the direct current is output to the I/O input/output board for use. The application is an improvement to current RIOM T35 power strip, behind the power strip electricity DC110V, need to generate starting voltage through the starting voltage circuit and instantaneously supply internal circuit to use, then step up DC110V to DC160V, vary voltage to DC15V output again, after the power strip normally outputs DC15V, MOS pipe Q7 cuts off, internal circuit will use the DC15V voltage that secondary coil output to continue working, power circuit is through the output that detects DC160V voltage, control the work of step-up module, ensure the stable DC15V voltage of transformer secondary output, make MOS pipe Q7 can normally turn off.
In this application, in the detection circuit 5, DC160V divides voltage through resistance R41 and resistance R40, and the voltage on getting resistance R40 compares with VREF, and U4 output dynamic signal is put through fortune, adjusts DC160V and exports steadily. The inventor finds that the power of the resistor R41 used in the package 1206 in the detection circuit 5 is only 0.25W, and the detection circuit is operated in a high-voltage environment for a long time, so that the characteristics are affected and the resistance value is reduced. The voltage divided by the resistor R40 is increased, so that the output signal of the operational amplifier U4 is abnormal, the output voltage of the boosting module is reduced, the secondary output of the transformer is less than 15V, the MOS transistor Q7 in the starting voltage circuit 6 cannot be normally turned off when the secondary output is less than 12.5V in a test, the resistor R13 and the MOS transistor Q7 are in an abnormal working state for a long time, a large amount of heat energy is generated, finally the resistor R13 and the MOS transistor Q7 are burned out, and the RIOM T35 module breaks down. By replacing R41 with a 0.5W/301K metal film glass glaze high-voltage color ring resistor, the resistance value of the resistor R41 in a high-voltage working environment cannot be changed, the stability of a 160V voltage monitoring circuit is improved, and the faults of the RIOM T35 power supply module are reduced.
Claims (6)
1. A vehicle remote input output module power supply apparatus comprising:
the input end of the booster circuit (2) is connected with a train power supply and is used for converting the train direct current (110V) into the direct current (160V);
the input end of the voltage transformation circuit (3) is connected with the output end of the booster circuit (2) and is used for converting the direct current 160V into the direct current 15V and the alternating current 15V respectively;
the output end of the driving circuit (4) is connected with the boosting circuit (2) and is used for controlling the boosting circuit (2) to work;
the signal input end of the detection circuit (5) is connected with the output end of the booster circuit (2), the electric energy input end is connected to the output end of the transformation circuit (3), and the output end is connected to the driving circuit (4);
the power supply control circuit comprises a starting voltage circuit (6), an electric energy input end of the starting voltage circuit is connected with a train power supply, an output end of the starting voltage circuit is respectively connected with the electric energy input ends of a driving circuit (4) and a detection circuit (5), the starting voltage circuit is used for starting the driving circuit (4) and the detection circuit (5), and the starting voltage circuit is disconnected after the output of a voltage transformation circuit (3) is stable;
it is characterized in that the preparation method is characterized in that,
the detection circuit (5) includes first divider circuit and fortune and puts, divider circuit includes first divider resistance (R41) and second divider resistance (R40), the output of boost circuit (2) and the one end of second divider resistance (R40) are connected respectively to the both ends of first divider resistance (R41), the other end ground connection of second divider resistance (R40), divider circuit's partial pressure output is connected to the input of fortune, the output of fortune is connected to drive circuit (4), the electric energy input of fortune is connected with the output of starting voltage circuit (6) and the output of vary voltage circuit (3) respectively.
2. The vehicle remote input/output module power supply apparatus according to claim 1, wherein the second divider resistor (R40) has a resistance of 10K ohms, the first divider resistor (R41) has a resistance of 301K, and a rated capacity of at least 0.5W.
3. A vehicle remote input output module power supply apparatus according to claim 1, wherein said detection circuit (5) further comprises a third resistor (R39) and a fourth resistor (R38), and the negative input terminal of said operational amplifier is connected to the voltage dividing output terminal of said voltage dividing circuit through the third resistor (R39) and to the driving circuit (4) through the fourth resistor (R38).
4. The vehicle remote input output module power supply apparatus according to claim 1, wherein the positive input terminal of the operational amplifier is connected to a reference voltage through a fifth resistor (R42) and is grounded through a capacitor (C24).
5. The vehicle remote input/output module power supply apparatus according to claim 1, wherein the starting voltage circuit (6) includes a sixth resistor (R13), a zener diode (D13), a seventh resistor (R10) and a switching tube (Q7), the switching tube (Q7) is an N-channel fet, and one end of the sixth resistor (R13) is connected to the train power supply, and the other end is connected to a drain of the switching tube (Q7), a source of the switching tube (Q7) is connected to the power input terminals of the detection circuit (5) and the driving circuit (4), respectively, and a positive electrode of the zener diode (D13), a gate of the switching tube is connected to a negative electrode of the zener diode (D13) and one end of the seventh resistor (R10), and the other end of the seventh resistor (R10) is connected to the train power supply.
6. The vehicle remote input/output module power supply apparatus according to claim 1, further comprising an input filter protection circuit (1), wherein the input filter protection circuit (1) is provided between the input terminal of the booster circuit (2) and the train power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216063.7U CN209994275U (en) | 2018-12-27 | 2018-12-27 | Vehicle remote input/output module power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216063.7U CN209994275U (en) | 2018-12-27 | 2018-12-27 | Vehicle remote input/output module power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209994275U true CN209994275U (en) | 2020-01-24 |
Family
ID=69287737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822216063.7U Active CN209994275U (en) | 2018-12-27 | 2018-12-27 | Vehicle remote input/output module power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209994275U (en) |
-
2018
- 2018-12-27 CN CN201822216063.7U patent/CN209994275U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207853453U (en) | Backup battery circuit, motor driver and electric vehicle | |
| CN203574536U (en) | Starting circuit of PWM chip of wide-voltage auxiliary power source | |
| CN205787014U (en) | A kind of D.C. contactor main contacts testing circuit | |
| CN204055403U (en) | A kind of redundant circuit structure of accessory feed of electric-vehicle-mounted DC/DC device | |
| CN105098957B (en) | A kind of controller for solar circuit | |
| CN102891595B (en) | Power converter for vehicle | |
| CN209994275U (en) | Vehicle remote input/output module power supply device | |
| CN110254290A (en) | BMS battery management communication system | |
| CN112564298B (en) | Circuit protection system and method and LCC type wireless charging system | |
| CN204250037U (en) | A kind of electric vehicle brake power-assisted controller for vacuum pump | |
| CN206884771U (en) | A kind of battery management system and vehicle management system of the monitoring of band all the period of time | |
| CN112009247A (en) | High-voltage power-on method of vehicle-mounted charging system of electric vehicle | |
| CN203859570U (en) | Temperature control protection type electric vehicle charging system | |
| CN108725233A (en) | Battery management system and vehicle management system with all the period of time monitoring | |
| CN111384852A (en) | Vehicle remote input/output module power supply device | |
| CN109849670A (en) | Electrical protective device and method above and below the high pressure of electric car | |
| CN208015407U (en) | Novel high-pressure tank | |
| CN205997827U (en) | A kind of have the Electro-Hydraulic Power Steering System that high-low pressure supplies power conversion circuit | |
| CN206589707U (en) | A kind of device power supply (DPS) circuit | |
| CN110336469B (en) | Direct current converter, charge discharge control method, power supply circuit and vehicle | |
| CN115503637A (en) | Power supply management circuit of vehicle-mounted RTC | |
| CN202565155U (en) | Insulated gate bipolar transistor driving circuit | |
| CN214189371U (en) | Hybrid active discharge circuit | |
| CN205356202U (en) | A postponing implementation braking circuit for electronic round of truck | |
| CN108995535B (en) | Device and method for guaranteeing fault starting of low-voltage storage battery of new energy automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |