CN217589816U - High-voltage power distribution cabinet for laboratory test - Google Patents
High-voltage power distribution cabinet for laboratory test Download PDFInfo
- Publication number
- CN217589816U CN217589816U CN202123209087.8U CN202123209087U CN217589816U CN 217589816 U CN217589816 U CN 217589816U CN 202123209087 U CN202123209087 U CN 202123209087U CN 217589816 U CN217589816 U CN 217589816U
- Authority
- CN
- China
- Prior art keywords
- wiring
- relay
- trigger
- voltage power
- unit
- 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
Abstract
The utility model provides a high voltage distribution cabinet for laboratory test uses relates to the electrical equipment field. The utility model realizes the electrical isolation control of high voltage electricity through the trigger switch; the high-voltage wiring harness wiring point for testing of the power system can be quickly, simply and conveniently replaced through the cascade wiring port, multiple sets of power system tests can be simultaneously carried out, and the safe use of testers is also ensured under the condition of simplifying the operation; the high-voltage loop of the single power system can be independently controlled by arranging the independent wiring unit, so that the individual power supply requirement is realized, and the safe use of testers is also ensured; the method comprises the steps that a total positive pre-charging circuit is arranged and comprises a pre-charging relay K1 and a pre-charging resistor R, when the total positive pre-charging circuit is used, the K1 is closed firstly, and when Vout reaches 90% of Vbattery, the K2 is closed again, so that the problem that the charging current is overlarge at the moment of direct power-on is solved; encapsulate high-voltage distribution circuit through high voltage distribution cabinet, it is safer to enable the power consumption, and it is more convenient to work a telephone switchboard, and the life of device is longer.
Description
Technical Field
The utility model relates to an electrical equipment field especially relates to a high voltage distribution cabinet for laboratory test uses.
Background
The laboratory is to when carrying out the detection experiment like new forms of energy driving system, often can use high voltage distribution cabinet, but carry out the in-process that driving system tested at the laboratory, we find that the tester when changing the driving system module, need dismouting high voltage distribution box's installation lid many times, the mounting nut that leads to the installation lid appears smooth silk, crooked scheduling problem, dismouting high-tension line mounting hole many times, cause the mounting hole also to appear smooth silk scheduling problem, make the high-tension line installation after appear firm problem.
The prior art, as disclosed in the publication: the utility model application of CN209516376U provides a high-voltage power distribution cabinet, which comprises a cabinet body, wherein the cabinet body is provided with an isolation plate and a mounting plate; guide grooves are respectively arranged on two opposite inner walls of the cabinet body; the isolating plate is provided with a guide plate, and when the isolating plate is inserted into the cabinet body, the guide plate is embedded into the guide groove; the mounting panel is established on the division board, the mounting panel is used for installing the ammeter. The utility model suspends the mounting plate for mounting the ammeter inside the cabinet body by adopting the isolation plate arranged inside the cabinet body, so that the ammeter on the mounting plate is relatively isolated from the inner wall of the cabinet body, and further the potential safety hazard caused by electric leakage is avoided; because the division board can pass through the deflector relative fixation internal at the cabinet, when can realizing the relative fixation of division board, make it can realize demountable installation.
This application can be when carrying out the ammeter and maintain, can wholly shift out the division board as required, improves the defect of inconvenient maintenance under the ammeter complete fixation's in the current switch board state. However, the problem of safe use related to the mounting cover for dismounting and mounting the high-voltage distribution box during the experiment is not solved.
Therefore, there is a need to provide a new high voltage distribution cabinet for laboratory tests to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve one of the technical problem, the utility model provides a pair of a high voltage distribution cabinet for laboratory test uses, including high-voltage distribution circuit, high-voltage distribution circuit includes high-voltage power unit, relay control unit and multistage wiring unit.
Further, the high-voltage power unit comprises a positive bus and a negative bus, and a plurality of positive wire separating lines and negative wire separating lines with the same quantity are arranged on the wire harness paths of the positive bus and the negative bus respectively.
Further, the relay control unit includes a relay unit and a trigger switch unit; the relay unit is provided with relays with the same quantity as the anode branch wires and the cathode branch wires, each relay is provided with a trigger double end and a wiring double end, one end of each wiring double end is connected to the anode branch wire, and the other end of each wiring double end is led out as an output end through an output lead; the trigger switch unit is correspondingly provided with trigger switches and trigger power supplies, the number of which is the same as that of the relays; the trigger power supply comprises a power supply anode and a power supply cathode, one end of the trigger double end is electrically connected with the power supply cathode, and the other end of the trigger double end is electrically connected with the power supply anode after being connected with the trigger switch.
Furthermore, the multistage wiring unit comprises a plurality of wiring terminals, and the wiring terminals are respectively sleeved on the output lead and the negative electrode branch.
As a more specific solution, the relay is a movable relay, which comprises an electromagnetic coil, a coil wiring terminal, a return spring and a relay sheet; the coil wiring terminal is connected with the electromagnetic coil, the electromagnetic coil is arranged at the triggering position of the relay sheet, and the reset spring is connected at the resetting position of the relay sheet.
As a more specific solution, a total positive relay is further arranged at the positive bus, a total positive trigger switch is correspondingly arranged on the trigger switch unit, one end of the total positive relay triggering both ends is electrically connected with the negative electrode of the power supply, and the other end of the total positive relay triggering both ends is electrically connected with the positive electrode of the power supply after being connected with the total positive trigger switch.
As a more specific solution, the multistage wiring unit includes a cascade wiring unit; the cascade connection unit comprises a plurality of cascade connection ports, and the cascade connection ports are arranged in pairs and are respectively connected with the output lead and the negative pole branching wire; the wiring terminal of the cascade wiring unit is arranged through the wire nose and fixed through the fixing bolt.
As a more specific solution, the multi-stage wiring unit further includes an independent wiring unit, and the independent wiring unit is independently disposed.
As a more specific solution, a total positive pre-flushing circuit for preventing overcurrent is also arranged at the positive bus; the total positive pre-flushing circuit comprises a pre-flushing relay and a pre-flushing resistor; the pre-punching relay is connected with the pre-punching resistor in series and then connected with the main positive relay in parallel; the trigger switch unit is correspondingly provided with a pre-flushing trigger switch, one end of the trigger double ends of the pre-flushing relay is electrically connected with the cathode of the power supply, and the other end of the trigger double ends of the pre-flushing relay is electrically connected with the anode of the power supply after being connected with the pre-flushing trigger switch.
As a more specific solution, current limiting resistors, including 300a \\150a \80a \32acurrent limiting values, are further disposed at the output wires, and fuse fuses are further disposed thereon.
As a more specific solution, the trigger power supply is set by a storage battery, the positive electrode of the power supply is a positive electrode of the storage battery, and the negative electrode of the power supply is a negative electrode of the storage battery.
As a more specific solution, a high-voltage power distribution circuit is packaged through a high-voltage power distribution cabinet, the high-voltage power distribution cabinet comprises a power distribution box and a junction box, the power distribution box packages a high-voltage power unit and a relay control unit and is provided with a high-voltage power input port, and the positive bus and the negative bus are externally connected with a power supply through the high-voltage power input port; the terminal box is an independent terminal box, the multistage wiring units are independently packaged in the terminal box, multistage wiring ports are formed in the terminal box, and the multistage wiring units are externally connected with electric appliances through the multistage wiring ports.
As a more specific solution, the trigger switch of the trigger switch unit is set through a shift-tilting switch, and a control switch area is provided on the outer wall of the distribution box, and the shift-tilting switch is installed in the control switch area.
Compared with the prior art, the utility model provides a pair of a high voltage distribution cabinet for laboratory test uses has following beneficial effect:
1. the utility model realizes the electrical isolation control of high voltage electricity by the trigger switch, and the electrical appliance is connected with the output wire and the negative pole branching wire by the multi-stage wiring unit; the high-voltage wiring harness wiring point for testing of the power system can be quickly, simply and conveniently replaced through the cascade wiring port, multiple sets of power system tests can be simultaneously carried out, and the safe use of testers is also ensured under the condition of simplifying the operation;
2. the utility model can independently control the high-voltage loop of the single power system by arranging the independent wiring unit, thereby realizing the individual power supply requirement and ensuring the safe use of the testing personnel under the condition of individual power supply; the method comprises the steps that a total positive pre-charging circuit is arranged and comprises a pre-charging relay K1 and a pre-charging resistor R, when the total positive pre-charging circuit is used, the K1 is closed firstly, and when Vout reaches 90% of Vbattery, the K2 is closed again, so that the problem that the charging current is overlarge at the moment of direct power-on is solved;
3. the utility model discloses a high voltage distribution cabinet encapsulates high voltage distribution circuit, enables the power consumption safer, and it is more convenient to work a telephone switchboard, and the life of device is longer.
Drawings
Fig. 1 is a schematic circuit diagram of a preferred high voltage distribution cabinet for laboratory tests according to an embodiment of the present invention;
fig. 2 is a diagram illustrating a preferred multi-stage wiring unit installation of a high voltage distribution cabinet for laboratory tests according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a preferred total positive pre-charging circuit of a high voltage distribution cabinet for laboratory tests according to an embodiment of the present invention;
fig. 4 to fig. 7 are various views of the high voltage distribution cabinet for better high voltage distribution cabinet used in laboratory test according to the embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
The laboratory is to when carrying out the detection experiment like new forms of energy driving system, often can use high voltage distribution cabinet, but carry out the in-process that driving system tested at the laboratory, we find the tester when changing the driving system module, need the installation lid of dismouting high voltage distribution box many times, lead to smooth silk to appear in the mounting nut of installation lid, crooked scheduling problem, dismouting high-tension line mounting hole many times, cause the mounting hole also to appear smooth silk scheduling problem, make the firm problem appear after the high-tension line installation, this embodiment is for solving smooth silk scheduling problem, design a high voltage distribution cabinet for laboratory test uses.
As shown in fig. 1, a high voltage distribution cabinet for laboratory tests includes a high voltage distribution circuit, where the high voltage distribution circuit includes a high voltage power unit, a relay control unit, and a multi-stage wiring unit.
Further, the high-voltage power unit comprises a positive bus and a negative bus, and a plurality of positive branch lines and negative branch lines with the same quantity are respectively arranged on a wiring harness path of the positive bus and the wiring harness path of the negative bus.
Further, the relay control unit includes a relay unit and a trigger switch unit; the relay unit is provided with relays with the same number as the anode branching wires and the cathode branching wires, each relay is provided with a trigger double end and a wiring double end, one end of each wiring double end is connected to the anode branching wire, and the other end of each wiring double end is taken as an output end and led out through an output wire; the trigger switch unit is correspondingly provided with trigger switches and trigger power supplies, the number of which is the same as that of the relays; the trigger power supply comprises a power supply anode and a power supply cathode, wherein one end of the trigger double end is electrically connected with the power supply cathode, and the other end of the trigger double end is electrically connected with the power supply anode after being connected with the trigger switch.
Furthermore, the multistage wiring unit comprises a plurality of wiring terminals, and the wiring terminals are respectively sleeved on the output lead and the negative electrode branch.
It should be noted that: in the circuit schematic diagram shown in fig. 1, 9 positive branch lines and 9 negative branch lines are respectively arranged on the wire harness paths of the positive bus and the negative bus, so that 9 relays are correspondingly arranged for control, namely K _3, K _4, K _5, K _6, K _7, K _8, K _9, K _10 and K _11, and the trigger switch units are K1 to K11, wherein K3 to K11 are trigger switches of 9 relays, high-voltage electrical isolation control can be realized through the trigger switches, and electrical appliances are connected with the output lead and the negative branch lines through the multi-stage wiring unit.
As a more specific solution, the relay is a movable relay, which comprises an electromagnetic coil, a coil wiring terminal, a return spring and a relay sheet; the coil wiring terminal is connected with the electromagnetic coil, the electromagnetic coil is arranged at the triggering position of the relay sheet, and the reset spring is connected at the reset position of the relay sheet.
It should be noted that: the movable relay can be switched on at two ends to conduct when being triggered, and the effect of isolation control is achieved.
As a more specific solution, a total positive relay is further arranged at the positive bus, a total positive trigger switch is correspondingly arranged on the trigger switch unit, one end of the total positive relay trigger double end is electrically connected with the negative electrode of the power supply, and the other end of the total positive relay trigger double end is electrically connected with the positive electrode of the power supply after being connected with the total positive trigger switch.
It should be noted that: in the circuit schematic diagram shown in fig. 1, K _1 is a total positive relay, K1 of the trigger switch unit is a total positive trigger switch, and the on-off of the whole device can be controlled through K1.
As a more specific solution, the multi-stage wiring unit includes a cascade wiring unit; the cascade connection unit comprises a plurality of cascade connection ports which are arranged in pairs and are respectively connected with the output lead and the negative pole branching wire; the wiring terminal of the cascade wiring unit is arranged through the wire nose and fixed through the fixing bolt.
It should be noted that: the cascading wiring port can realize quick, simple and convenient replacement of the high-voltage wiring harness wiring points of the power system, and can simultaneously test a plurality of sets of power systems. The safe use of the tester is also ensured under the condition of simplifying the operation, and the fixing bolt is an M8 fixing bolt.
As a more specific solution, the multi-stage wiring unit further includes an independent wiring unit, and the independent wiring unit is independently arranged.
It should be noted that: the independent wiring unit is arranged, so that the high-voltage loop of the single power system can be independently controlled, and the personalized power supply requirement is realized. The tester can be safely used under the condition of personalized power supply, and the independent wiring unit is sleeved with the wiring terminal with the model number of HVG1S492FC or XL00Y-201-10M 8.
As a more specific solution, a total positive pre-flushing circuit for preventing overcurrent is also arranged at the positive bus; the total positive pre-flushing circuit comprises a pre-flushing relay and a pre-flushing resistor; the pre-charging relay is connected with the pre-charging resistor in series and then connected with the main positive relay in parallel; the trigger switch unit is correspondingly provided with a pre-flushing trigger switch, one end of the trigger double ends of the pre-flushing relay is electrically connected with the cathode of the power supply, and the other end of the trigger double ends of the pre-flushing relay is electrically connected with the anode of the power supply after being connected with the pre-flushing trigger switch.
It should be noted that: as shown in fig. 3, the general positive pre-charging circuit schematic diagram includes a pre-charging relay K1 and a pre-charging resistor R, when in use, K1 is closed first, and when Vout reaches 90% of Vbattery, K2 is closed again, so as to prevent the problem of excessive charging current at the moment of direct power-on.
As a more specific solution, current limiting resistors are further arranged at the output leads, the current limiting resistors comprise 300A \250A \150A \\80A \32A current limiting values and are respectively arranged at the output leads, and fusing fuses are further arranged on the output leads.
It should be noted that: as shown in fig. 2, different power supplies can be provided for the electrical appliances through the current-limiting resistors with different specifications, so as to meet different experimental requirements.
As a more specific solution, the trigger power supply is set by a storage battery, the positive electrode of the power supply is a positive electrode of the storage battery, and the negative electrode of the power supply is a negative electrode of the storage battery.
As a more specific solution, a high-voltage power distribution circuit is packaged through a high-voltage power distribution cabinet, the high-voltage power distribution cabinet comprises a distribution box and a junction box, the distribution box encapsulates a high-voltage power unit and a relay control unit, and is provided with a high-voltage power input port, and a positive bus and a negative bus are externally connected with a power supply through the high-voltage power input port; the terminal box is an independent terminal box, the multistage wiring units are independently packaged in the terminal box, and are provided with multistage wiring ports, and the multistage wiring units are externally connected with electrical appliances through the multistage wiring ports.
As a more specific solution, the trigger switch of the trigger switch unit is set by the tilt switch, and a control switch area is provided on the outer wall of the distribution box, and the tilt switch is installed in the control switch area.
It should be noted that: according to the high-voltage distribution cabinet with the view directions shown in the figures 4 to 7, the high-voltage distribution circuit is packaged through the high-voltage distribution cabinet, so that electricity is used more safely, wiring is more convenient, and the service life of the device is longer.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (10)
1. A high-voltage power distribution cabinet for laboratory tests is characterized by comprising a high-voltage power distribution circuit, wherein the high-voltage power distribution circuit comprises a high-voltage power unit, a relay control unit and a multi-stage wiring unit;
the high-voltage power unit comprises a positive bus and a negative bus, and a plurality of positive wire separating lines and negative wire separating lines with the same quantity are arranged on the wire harness paths of the positive bus and the negative bus respectively;
the relay control unit comprises a relay unit and a trigger switch unit; the relay unit is provided with relays with the same number as the anode branching wires and the cathode branching wires, each relay is provided with a trigger double end and a wiring double end, one end of each wiring double end is connected to the anode branching wire, and the other end of each wiring double end is taken as an output end and led out through an output wire; the trigger switch unit is correspondingly provided with trigger switches and trigger power supplies, the number of which is the same as that of the relays; the trigger power supply comprises a power supply anode and a power supply cathode, one end of the trigger double end is electrically connected with the power supply cathode, and the other end of the trigger double end is electrically connected with the power supply anode after being connected with the trigger switch;
the multistage wiring unit comprises a plurality of wiring terminals which are respectively sleeved on the output lead and the negative electrode branch.
2. The high-voltage power distribution cabinet for laboratory tests as claimed in claim 1, wherein the relay is a mobile relay comprising an electromagnetic coil, a coil terminal, a return spring and a relay sheet; the coil wiring terminal is connected with the electromagnetic coil, the electromagnetic coil is arranged at the triggering position of the relay sheet, and the reset spring is connected at the resetting position of the relay sheet.
3. The high-voltage power distribution cabinet for laboratory tests as claimed in claim 1, wherein a main positive relay is further disposed at the positive bus, the trigger switch unit is correspondingly disposed with a main positive trigger switch, one end of the trigger double ends of the main positive relay is electrically connected to the negative electrode of the power supply, and the other end of the trigger double ends of the main positive relay is electrically connected to the positive electrode of the power supply after being connected to the main positive trigger switch.
4. The high voltage power distribution cabinet for laboratory testing use according to claim 1, wherein said multi-stage wiring unit comprises a cascade wiring unit; the cascade connection unit comprises a plurality of cascade connection ports, and the cascade connection ports are arranged in pairs and are respectively connected with the output lead and the negative pole branching wire; the wiring terminal of the cascade wiring unit is arranged through the wire nose and fixed through the fixing bolt.
5. The high voltage distribution cabinet for laboratory testing use according to claim 1, wherein said multi-stage wiring unit further comprises independent wiring units, said independent wiring units being independently disposed.
6. The high-voltage power distribution cabinet for laboratory tests according to claim 3, wherein a total positive pre-rush circuit for preventing overcurrent is further arranged at the positive bus; the total positive pre-flushing circuit comprises a pre-flushing relay and a pre-flushing resistor; the pre-charging relay is connected with the pre-charging resistor in series and then connected with the main positive relay in parallel; the trigger switch unit is correspondingly provided with a pre-flushing trigger switch, one end of the trigger double ends of the pre-flushing relay is electrically connected with the cathode of the power supply, and the other end of the trigger double ends of the pre-flushing relay is electrically connected with the anode of the power supply after being connected with the pre-flushing trigger switch.
7. The high voltage power distribution cabinet for laboratory testing use according to claim 1, wherein a current limiting resistor is further provided at said output wires, said current limiting resistor comprising a 300a \\ \250a \150a \\80a \32a current limiting value and being respectively provided at the output wires, said output wires further having fuse fuses disposed thereon.
8. The high-voltage power distribution cabinet for laboratory tests according to claim 1, wherein the trigger power supply is provided by a storage battery, the positive power supply is a positive storage battery electrode, and the negative power supply is a negative storage battery electrode.
9. The high-voltage power distribution cabinet for laboratory tests according to claim 1, wherein a high-voltage power distribution circuit is packaged by the high-voltage power distribution cabinet, the high-voltage power distribution cabinet comprises a power distribution box and a junction box, the power distribution box encloses a high-voltage power unit and a relay control unit and is provided with a high-voltage power input port, and the positive bus and the negative bus are externally connected with a power supply through the high-voltage power input port; the wiring box is an independent wiring box, the multistage wiring units are independently packaged in the wiring box, multistage wiring ports are formed in the wiring box, and the multistage wiring units are externally connected with electric appliances through the multistage wiring ports.
10. The high voltage distribution cabinet for laboratory tests as claimed in claim 9, wherein the trigger switch of the trigger switch unit is configured by a shift switch, and a control switch area is opened on an outer wall of the distribution box, and the shift switch is installed in the control switch area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123209087.8U CN217589816U (en) | 2021-12-20 | 2021-12-20 | High-voltage power distribution cabinet for laboratory test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123209087.8U CN217589816U (en) | 2021-12-20 | 2021-12-20 | High-voltage power distribution cabinet for laboratory test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217589816U true CN217589816U (en) | 2022-10-14 |
Family
ID=83525318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123209087.8U Active CN217589816U (en) | 2021-12-20 | 2021-12-20 | High-voltage power distribution cabinet for laboratory test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217589816U (en) |
-
2021
- 2021-12-20 CN CN202123209087.8U patent/CN217589816U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106451610B (en) | Energy storage battery cluster control system and control method thereof | |
| CN102522791A (en) | Explosion-proof power supply apparatus | |
| US10583749B2 (en) | Battery system and method for the operation thereof | |
| EP3905473A1 (en) | Battery charging and discharging apparatus and rechargeable power source | |
| CN217589816U (en) | High-voltage power distribution cabinet for laboratory test | |
| CN107202928B (en) | Automatic switching-on device analog circuit breaker of standby power supply | |
| AU2018235015A1 (en) | System for supplying electrical energy to an on-board network of a submarine | |
| CN205159808U (en) | High tension switchgear system | |
| CN203927005U (en) | Electric valve control circuit and the electric operated valve instrument that comprises this circuit | |
| CN111384763A (en) | Electric energy conversion and control device and energy storage system with same | |
| CN203844622U (en) | High-voltage compartment of battery pack for electric automobile | |
| CN107650836B (en) | A block terminal, car for car | |
| CN217720697U (en) | Breakdown insurance state feedback circuit | |
| KR100654773B1 (en) | Power receiving and transforming device with power-fuse insulated by gas | |
| CN210806343U (en) | Static adjusting power cabinet | |
| CN209747970U (en) | Cable shunting cabinet | |
| US11831140B2 (en) | System, circuit breaker, display unit and display holder | |
| CN216610886U (en) | Power distribution module, whole vehicle power management system and electric engineering machinery | |
| CN211182996U (en) | High-voltage distribution control box for IPU | |
| CN219643630U (en) | Battery discharging circuit and device | |
| CN219659161U (en) | Power distribution equipment | |
| CN210744791U (en) | Multichannel high voltage power source pre-charging device | |
| CN212810164U (en) | Modular isolator control box based on structure of bundling | |
| CN216145578U (en) | 4-level socket type current fuse for instrument | |
| CN216771920U (en) | Pull electronic isolator divide-shut brake circuit detection device of power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |