CN211653093U - On-line core receiver control device - Google Patents
On-line core receiver control device Download PDFInfo
- Publication number
- CN211653093U CN211653093U CN201922127477.7U CN201922127477U CN211653093U CN 211653093 U CN211653093 U CN 211653093U CN 201922127477 U CN201922127477 U CN 201922127477U CN 211653093 U CN211653093 U CN 211653093U
- Authority
- CN
- China
- Prior art keywords
- control switch
- electric control
- switch
- electrical control
- battery
- 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
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model discloses an contain electrical control device at online nuclear container, including treater, communication unit, first electrical control switch, second electrical control switch, third electrical control switch, isolation diode and five wiring ends, five wiring ends include battery positive wiring end, battery negative terminal, the anodal wiring end of direct current generating line, the anodal wiring end of appearance and the appearance negative terminal that discharges, communication unit's output is connected with the input of treater, first electrical control switch, second electrical control switch and third electrical control switch constitute by the control unit and controlled switch, isolation diode is parallelly connected with first electrical control switch's controlled switch. The utility model discloses the battery breaks away from the generating line when can avoid switching nuclear appearance test condition, avoids the emergence accident. The utility model discloses can wide application in battery test equipment field.
Description
Technical Field
The utility model belongs to the technical field of battery test equipment and specifically relates to an online nuclear container holds electrical control unit.
Background
The storage battery pack is a backup power supply of the direct current system, the power supply reliability of the direct current system is influenced by the quality of the storage battery pack, and the storage battery pack can be regarded as the heart of the direct current system. Because of the storage battery pack and the importance of the storage battery pack, a power overhaul department invests large manpower and material resources to overhaul the storage battery pack; the maintenance working method comprises the following steps: the method comprises the steps of regular voltage checking test, regular internal resistance checking test, regular complementary and uniform charging of the storage battery, and regular checking discharging of the storage battery. In several maintenance works, the checking discharge workload of the storage batteries is huge, and 1-2 days are needed for one-time checking discharge of each group of storage batteries.
The storage battery has two types of nuclear capacity, one is to detach the battery, and the other is to perform the nuclear capacity discharge under the condition that the battery is still connected to the direct current system. Since the dc system requires a backup power source at all times, the latter becomes the mainstream. The current mode is mainly to temporarily connect a diode on the electrode of the storage battery to limit the flow direction of charges, so as to achieve the purpose of on-line capacity checking, but the current adopted connection mode is still manual connection, the storage battery is disconnected to connect the diode, and the diode is removed after the capacity checking discharge is completed, so that the problem is not only troublesome, but also the situation that the storage battery is separated from a direct current system for a short time can be caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a: the utility model provides an online nuclear holds electrical control unit, it can install and carry out online nuclear and hold discharge on the direct current system, avoids storage battery to break away from the generating line for a short time.
The utility model adopts the technical proposal that:
an online nuclear capacity receiving electric control device comprises a processor, a communication unit, a first electric control switch, a second electric control switch, a third electric control switch, an isolating diode and five wiring terminals, wherein the five wiring terminals comprise a battery positive electrode wiring terminal, a battery negative electrode wiring terminal, a direct current bus positive electrode wiring terminal, a discharging instrument positive electrode wiring terminal and a discharging instrument negative electrode wiring terminal;
the output end of the processor is respectively connected with the control units of the first electric control switch, the second electric control switch and the third electric control switch, the controlled switch of the first electric control switch is connected between the positive terminal of the direct current bus and the positive terminal of the battery, and the controlled switch of the second electric control switch is connected between the positive terminal of the battery and the positive terminal of the discharge instrument; and the controlled switch of the third electric control switch is connected between the negative terminal of the battery and the negative terminal of the discharge instrument, and the isolating diode is connected with the controlled switch of the first electric control switch in parallel.
Further, the device comprises a display device, and the display device is connected with the processor.
Further, the display device is a touch screen.
Further, the first electric control switch is a normally closed contactor, and the second electric control switch and the third electric control switch are normally open contactors.
The communication unit is connected with the processor through a first electric control switch, the communication unit is connected with the processor through a second electric control switch, and the processor is connected with the communication unit through a third electric control switch.
Further, the power supply device outputs various voltages among 24V, 5V, and 3.3V.
Further, the communication unit is an RS485 or RS232 serial module.
The utility model has the advantages that: the device integrates the first electric control switch, the second electric control switch, the third electric control switch and the isolating diode, and is controlled by the processor according to the instruction of the communication unit, the isolating diode is connected with the controlled switch of the first electric control switch in parallel, and after the device is connected into a direct current system, the isolating state of the storage battery can be switched through the first electric control switch, so that the storage battery can be prevented from being separated from a bus when the isolating state of the storage battery is switched under the nuclear capacity test state and the non-nuclear capacity test state.
Drawings
Fig. 1 is a schematic diagram of an on-line nuclear storage and control device according to an embodiment of the present invention;
fig. 2 is an equivalent circuit diagram of an embodiment of the present invention applied in a dc system.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments.
Referring to fig. 1, an on-line nuclear capacity electric control device comprises a processor, a communication unit, a first electric control switch, a second electric control switch, a third electric control switch, an isolating diode D and five terminals, wherein the five terminals comprise a battery positive terminal BAT +, a battery negative terminal BAT-, a direct current bus positive terminal KM +, a discharging instrument positive terminal FD + and a discharging instrument negative terminal FD-, the output end of the communication unit is connected with the input end of the processor, and the first electric control switch, the second electric control switch and the third electric control switch are all composed of a control unit and a controlled switch;
the output end of the processor is respectively connected with a control unit KM1 of the first electric control switch, a control unit KM2 of the second electric control switch and a control unit KM3 of the third electric control switch, a controlled switch K1 of the first electric control switch is connected between a direct-current bus positive terminal KM + and a battery positive terminal BAT +, and a controlled switch K2 of the second electric control switch is connected between the battery positive terminal BAT + and a discharging instrument positive terminal FD +; the controlled switch K3 of the third electric control switch is connected with the battery negative electrode terminal BAT-and the discharger negative electrode terminal FD-, and the isolation diode D is connected with the controlled switch K1 of the first electric control switch in parallel.
When the on-chip receiving and power control apparatus of the present embodiment is connected to a dc system, as shown in fig. 2, the dc system in the figure includes chargers U1-Un, fuses FU 1-FU 4, switch blades ZK1 and ZK2, charger ac incoming line switches QF 1-QFn, and a battery pack BAT, which are original devices of the dc system. The control device of the embodiment is connected to the dc system in the following manner:
the battery positive terminal BAT + is connected to the positive electrode of the battery pack through a fuse FU3, and the DC bus positive terminal KM + is connected to one end of a switch knife ZK 2. The battery negative terminal BAT-is connected to the negative electrode of the battery pack through fuse FU 4. And the positive terminal FD + of the discharge instrument and the negative terminal FD-of the discharge instrument are respectively and correspondingly connected with the positive electrode and the negative electrode of the discharge instrument.
In order to ensure that the storage battery pack cannot be off-line when the power failure occurs suddenly in the embodiment, the first electronic control switch can select a normally closed contactor, and meanwhile, in order to ensure that the discharging instrument cannot be connected to the storage battery when the power failure occurs in the device, the second electronic control switch and the third electronic control switch select a normally open contactor.
In order to ensure that the control logic is free from errors, the closing relationship among the first electrically controlled switch, the second electrically controlled switch and the third electrically controlled switch can be limited through the logic gate. For example, the three controlled switches are all controlled by the output signal of one pin of the processor, but the pin signal is inverted by an inverted gate before the signal is transmitted to the second electrically controlled switch and the third electrically controlled switch, so that the control logic of the first electrically controlled switch is just opposite to that of the second and third electrically controlled switches. This ensures that the control logic is not confused within the processor.
When the control device of the present embodiment is in the state of the non-core-receiving capacity test, the controlled switch K1 of the first electrically controlled switch is in the closed state, and the controlled switch K2 of the second electrically controlled switch and the controlled switch K3 of the third electrically controlled switch are in the open state. And the positive electrode and the negative electrode of the storage battery pack are normally connected to a bus of the direct current system.
When the control device of the embodiment is in a state of a nuclear capacitor discharge test, the controlled switch K1 of the first electronic control switch is in an open state, the controlled switch K2 of the second electronic control switch and the controlled switch K3 of the third electronic control switch are in a closed state, and the electric energy of the charger is blocked by the isolating diode, so that the electric energy cannot enter the discharge instrument, but the storage battery can provide the electric energy for the bus through the isolating diode when the charger fails.
In some embodiments, a display device is also included, the display device being coupled to the processor. The display device is a touch screen. The user can operate the on-line core receiving control device through the touch display screen.
In some embodiments, a power supply device is further included that provides operating power to the processor, the communication unit, the first electronically controlled switch, the second electronically controlled switch, and the third electronically controlled switch.
The power supply device adopts wide-range input of AC 90-250V and generates various output power supplies including but not limited to 24V, 5V and 3.3V through an isolated AC-DC power supply.
In some embodiments, the communication unit is an RS485 or RS232 serial module. Through the serial interface, a plurality of on-line core receiving and electric control devices can be connected to an upper computer for centralized control.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (7)
1. An on-line core receiver electrical control apparatus, characterized by: the intelligent control system comprises a processor, a communication unit, a first electric control switch, a second electric control switch, a third electric control switch, an isolating diode and five wiring terminals, wherein the five wiring terminals comprise a battery positive electrode wiring terminal, a battery negative electrode wiring terminal, a direct-current bus positive electrode wiring terminal, a discharging instrument positive electrode wiring terminal and a discharging instrument negative electrode wiring terminal;
the output end of the processor is respectively connected with the control unit of the first electric control switch, the control unit of the second electric control switch and the control unit of the third electric control switch, the controlled switch of the first electric control switch is connected between the positive terminal of the direct current bus and the positive terminal of the battery, and the controlled switch of the second electric control switch is connected between the positive terminal of the battery and the positive terminal of the discharging instrument; and the controlled switch of the third electric control switch is connected between the negative terminal of the battery and the negative terminal of the discharge instrument, and the isolating diode is connected with the controlled switch of the first electric control switch in parallel.
2. An on-core containment electrical control apparatus as claimed in claim 1, wherein: the device further comprises a display device, and the display device is connected with the processor.
3. An on-core containment electrical control apparatus as claimed in claim 2, wherein: the display device is a touch screen.
4. An on-core containment electrical control apparatus as claimed in claim 1, wherein: the first electric control switch is a normally closed contactor, and the second electric control switch and the third electric control switch are normally open contactors.
5. An on-core containment electrical control apparatus as claimed in claim 1, wherein: the intelligent communication system further comprises a power supply device, and the power supply device provides working power supply for the processor, the communication unit, the first electric control switch, the second electric control switch and the third electric control switch.
6. An on-core containment electrical control apparatus as recited in claim 5, wherein: the power supply device outputs various voltages of 24V, 5V and 3.3V.
7. An on-core containment vessel control device as claimed in any one of claims 1 to 6, wherein: the communication unit is an RS485 or RS232 serial module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127477.7U CN211653093U (en) | 2019-12-02 | 2019-12-02 | On-line core receiver control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127477.7U CN211653093U (en) | 2019-12-02 | 2019-12-02 | On-line core receiver control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211653093U true CN211653093U (en) | 2020-10-09 |
Family
ID=72694146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922127477.7U Active CN211653093U (en) | 2019-12-02 | 2019-12-02 | On-line core receiver control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211653093U (en) |
-
2019
- 2019-12-02 CN CN201922127477.7U patent/CN211653093U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107219467B (en) | Transformer substation storage battery nuclear capacity device with sulfur removal and repair functions and method | |
| CN110011408B (en) | Mobile emergency power supply system and working method thereof | |
| CN204030640U (en) | Batteries novel maintenance monitoring intelligent device | |
| CN109449944B (en) | Bidirectional direct-current power supply control system and method for transformer substation | |
| CN109586361A (en) | A kind of lithium battery energy storage battery power supply system | |
| CN106849253A (en) | A kind of low orbit spacecraft high-voltage lithium ion battery equalising control device | |
| CN207834505U (en) | A kind of battery pack intelligence managing and control system | |
| CN207481815U (en) | Electric system above and below electric automobile high-voltage | |
| CN114204658A (en) | Storage battery pack online capacity checking system | |
| CN110165310A (en) | A kind of battery pack intelligence managing and control system | |
| CN111864889A (en) | Uninterrupted emergency power supply system and method for open-circuit protection of lead-acid storage battery pack | |
| CN110266066B (en) | Charging control device and charging control method for parallel connection of multiple lithium battery packs | |
| CN110752615A (en) | Battery energy storage power station field joint debugging device and method | |
| CN109031137B (en) | Safe discharge nuclear volume structure | |
| CN211653093U (en) | On-line core receiver control device | |
| CN107677969A (en) | The charge/discharge test device of distributed complete online batteries | |
| CN202721494U (en) | Transformer station direct current power supply system | |
| CN111775706A (en) | Power battery low-voltage manual maintenance switch control system and vehicle | |
| CN106786988A (en) | A kind of PACK off-line tests protect high-voltage cage and its guard method | |
| CN209479469U (en) | A kind of new-energy automobile charging station monitoring device | |
| CN208125901U (en) | A kind of battery health status variation tendency composite monitoring device | |
| CN207689521U (en) | The uninterrupted switching device of accumulator cell charging and discharging | |
| CN207859973U (en) | Energy-storage battery charge-discharge system | |
| CN215817643U (en) | Novel charging and discharging lithium battery UPS power supply for machine room | |
| CN110011373A (en) | A kind of management device of battery pack for replacing single battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |