CN214479006U - Drawer cabinet and connector thereof - Google Patents

Abstract

The utility model provides a drawer and connector be equipped with the connector on the drawer unit of drawer cabinet and with a return circuit connection, including wiring conductor, signal acquisition module and communication module, the wiring conductor is used for with a return circuit connection, and signal acquisition module includes current acquisition unit, voltage acquisition unit and temperature detecting element, current acquisition unit is connected with the wiring conductor and is used for acquireing current signal, and voltage acquisition unit is connected with the wiring conductor and is used for acquireing voltage signal, and temperature detecting element is used for acquireing the temperature signal of wiring conductor, and signal acquisition module is connected with communication module. The utility model discloses a drawer cabinet and connector thereof makes the connector when realizing switch-on and break-off circuit function, has possessed the function of gathering the signal to make the drawer cabinet that adopts such connector reduce loaded down with trivial details wiring work, the operation is convenient.

Description

Drawer cabinet and connector thereof

Technical Field

The utility model relates to a low pressure complete set pull-out type switchgear, concretely relates to drawer cabinet and connector thereof.

Background

The low-voltage drawer cabinet is an electrical device with wide application, the connector is an important device of the drawer cabinet, and the temperature rise of the connector is an important factor influencing the performance of the drawer cabinet, wherein a primary connector of the traditional drawer cabinet generally only has the function of switching on and switching off a circuit, and the ambient temperature of the primary connector is increased after the service temperature of the primary connector exceeds a certain value due to the influences of the number of times of inserting and pulling out the drawer, the installation error and the like, so that the electrical performance among phases is reduced, and the short-circuit fault is easily generated.

In addition, with the requirement of the existing intelligent power distribution, important operation parameters of the circuit breaker in the drawer cabinet, such as current and voltage, need to be collected, and therefore, each loop in the drawer cabinet needs to be configured with an intelligent instrument.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, have current detection, voltage detection and temperature detection function's drawer and connector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a connector of drawer cabinet, includes wiring conductor, signal acquisition module and communication module, the wiring conductor is used for connecting the primary loop of drawer cabinet, and signal acquisition module includes current acquisition unit, voltage acquisition unit and temperature detecting element, current acquisition unit is connected with the wiring conductor and is used for acquireing current signal, and voltage acquisition unit is connected with the wiring conductor and is used for acquireing voltage signal, and temperature detecting element is used for acquireing the temperature signal of wiring conductor, and signal acquisition module is connected with communication module.

Further, still include the mounting, at least one wiring conductor fixed mounting is in the mounting, and wiring conductor both ends and outside intercommunication.

Furthermore, the signal acquisition module and the communication module are arranged on a circuit board, and the signal acquisition module and the communication module realize signal transmission through the circuit board.

Further, the signal acquisition module comprises a signal processing unit, and the signal processing unit is connected with the current acquisition unit, the voltage acquisition unit and the temperature detection unit; the temperature detection unit comprises a temperature measurement module and a temperature signal processing module connected with the temperature measurement module, the current acquisition unit comprises a current sensor and a current signal processing module connected with the current sensor, and the temperature measurement module, the temperature signal processing module, the current sensor and the current signal processing module are all located in the fixing piece.

Further, the temperature detection unit comprises a temperature signal processing module for receiving and processing the temperature signal transmitted by the external temperature measurement module.

Furthermore, one end of the wiring conductor is used as a joint and is connected with the vertical row of the drawer cabinet, the other end of the wiring conductor is used as a wiring end and is connected with a primary loop of the drawer cabinet, and the signal acquisition module and the communication module are located at one end close to the wiring end of the wiring conductor.

Further, the mounting includes bearing structure and housing, bearing structure is used for fixed wiring conductor, and the housing forms with one side cooperation of bearing structure and holds the chamber, and signal acquisition module and communication module set up and are holding the intracavity, and the both sides of mounting are worn out at the both ends of wiring conductor, and wherein wear out the outer one end of housing as being used for connecting the wiring end of primary loop, and the one end of wearing out bearing structure is as being used for connecting the joint of perpendicular row.

Further, the joint selects a female joint, one side of the supporting structure protrudes outwards to form a protruding part, and a groove for accommodating the joint is formed in the middle of the protruding part.

Further, the signal acquisition module acquires a current signal, a voltage signal and a temperature signal through a signal wire, and the signal wire is arranged along a direction perpendicular to the wiring conductor.

The wire connecting device further comprises a fixing piece, wherein the plurality of wire connecting conductors are fixedly arranged in the fixing piece, and two ends of each wire connecting conductor are communicated with the outside; the signal acquisition module and the communication module are arranged on a circuit board, and signal transmission is realized through the circuit board; the circuit board is located one side of wiring conductor, and communication module sets up the avris position of keeping away from a plurality of wiring conductors, and signal acquisition module is located between the adjacent wiring conductor.

Further, the signal acquisition module still includes the switching signal unit, the switching signal unit is connected with the circuit breaker in the primary circuit, can be used to gather the signal of the divide-shut brake state and the fault condition of circuit breaker to and to the control signal of circuit breaker output divide-shut brake.

Further, the signal acquisition module and the communication module acquire a working power supply from the wiring conductor, and the connection state of the wiring conductor and the vertical row of the drawer cabinet is judged according to whether the signal acquisition module can acquire the current or voltage signal of the primary loop.

The power supply module is used for supplying power to the signal acquisition module and the communication module, the signal acquisition module further comprises a state detection unit, the state detection unit is connected with a pushing mechanism of the drawer cabinet and used for receiving position signals, and the signal acquisition module judges the connection state of the wiring conductor and the vertical row of the drawer cabinet according to the obtained position signals.

The drawer cabinet comprises a drawer unit, wherein a primary loop and a secondary loop are arranged in the drawer unit, the connector is arranged on one side of the drawer unit, which is provided with the primary loop, and a wiring conductor of the connector is connected with the primary loop through a wiring piece.

The utility model provides a drawer cabinet, includes the drawer unit be provided with primary loop and secondary circuit in the drawer unit, be equipped with in one side that the drawer unit was equipped with primary loop as above the connector, the wiring conductor of connector passes through the wiring piece and is connected with the circuit breaker of primary loop be equipped with control module in the circuit breaker, the switch signal unit signal connection of control module and connector.

A drawer cabinet comprises a drawer unit, wherein a primary loop and a secondary loop are arranged in the drawer unit, the connector is arranged on one side of the drawer unit, which is provided with the primary loop, and a wiring conductor of the connector is connected with the primary loop through a wiring piece; a secondary connector is arranged on one side of the drawer unit, which is provided with the secondary loop; the drawer unit is also provided with a pushing mechanism, and the pushing mechanism outputs a position signal according to the connection state of the connector and the connection state of the secondary connector.

Preferably, a display panel is arranged on one side of the drawer cabinet, and the display panel is connected with the communication module and used for displaying current, voltage and temperature signals.

Preferably, a current transformer is sleeved on the wiring piece.

The utility model discloses a drawer cabinet and connector set up signal acquisition module on the connector, obtain electric current, voltage and temperature signal from the primary loop of drawer unit through signal acquisition module wiring conductor, pass through communication module by signal acquisition module and feed back parameter information to outside receiving arrangement, make the connector when realizing switch-on and break-off circuit function, possessed the function of gathering the signal to the drawer cabinet that makes to adopt such connector has reduced loaded down with trivial details wiring work, convenient operation.

In addition, the signal acquisition module arranged on the connector also comprises a switch signal unit and a state detection unit, wherein the switch signal unit can be used for acquiring and controlling the opening and closing of the circuit breaker in the primary loop, and the state detection unit can feed back the state of the drawer unit of the drawer cabinet by judging the connection state of the connector and the connection state of the secondary connector.

In addition, the signal acquisition module is used for obtaining the signal line of signal and wiring conductor and arranging perpendicularly, and communication module sets up in the one side of keeping away from the wiring conductor, avoids the forceful electric power of primary loop to cause too much interference to signal transmission.

In addition, still be furnished with display panel on the drawer cabinet, display panel is connected with communication module can directly show each item parameter on the drawer cabinet.

Drawings

Fig. 1 is a working schematic diagram of a connector of a drawer cabinet according to the present invention;

fig. 2 is a schematic structural view (front view) of a connector of a drawer cabinet according to the present invention;

fig. 3 is a schematic structural diagram (plan view) of a connector of a drawer cabinet according to the present invention;

fig. 4 is a schematic structural view (left side view) of a connector of a drawer cabinet according to the present invention;

fig. 5 is a schematic structural view (right side view) of a connector of a drawer cabinet according to the present invention;

fig. 6 is a schematic structural diagram of a drawer cabinet according to the present invention.

Detailed Description

The following describes a drawer cabinet and a connector thereof according to embodiments of the present invention with reference to fig. 1 to 6. The drawer cabinet and the connector thereof of the present invention are not limited to the description of the following embodiments.

The utility model provides a connector of drawer cabinet, includes wiring conductor 21, signal acquisition module 22 and communication module 23, wiring conductor 21 is used for connecting the primary loop of drawer cabinet, and signal acquisition module 22 includes current acquisition unit, voltage acquisition unit and temperature detecting element, current acquisition unit is connected with wiring conductor 21 and is used for acquireing current signal, and voltage acquisition unit is connected with wiring conductor 21 and is used for acquireing voltage signal, and temperature detecting element is used for acquireing the temperature signal of wiring conductor 21, and signal acquisition module 22 is connected with communication module 23.

A drawer cabinet comprises a drawer unit 1, wherein a primary loop and a secondary loop are arranged in the drawer unit 1, a connector 2 is arranged on one side of the drawer unit 1, which is provided with the primary loop, and a wiring conductor 21 of the connector 2 is connected with the primary loop through a wiring piece 3.

The utility model discloses a drawer cabinet and connector 2 and drawer cabinet thereof set up signal acquisition module 22 on connector 2, obtain electric current, voltage and temperature signal through signal acquisition module 22 from the primary loop of drawer unit through wiring conductor 21, by signal acquisition module 22 through communication module 23 outside receiving arrangement feedback parameter information, make connector 2 when realizing switch-on and break-off circuit function, the function of signal acquisition has been possessed, and make the drawer cabinet that adopts such connector 2 reduce loaded down with trivial details wiring work, and convenient operation.

With reference to fig. 1 to 5, an embodiment of a connector 2 for a drawer cabinet is described, the connector 2 comprising a fixing member 26, and a wiring conductor 21, a signal acquisition module 22 and a communication module 23 mounted on the fixing member 26, wherein two ends of the wiring conductor 21 penetrate through two sides of the fixing member 26, one end of the wiring conductor 21 is used as a connector 211 for connecting to a vertical row of the drawer cabinet, and the other end of the wiring conductor 21 is used as a terminal 212 for connecting to a primary loop in the drawer cabinet. In the embodiment, the signal acquisition module 22 and the communication module 23 are located on the same side as the terminal 212, and preferably, the signal acquisition module 22 acquires signals by connecting with the wiring conductor 21, the signal acquisition module 22 includes a signal processing unit, and a current acquisition unit, a voltage acquisition unit and a temperature detection unit which are connected with the signal processing unit, the current acquisition unit is connected with the wiring conductor 21 and used for acquiring a current signal, the voltage sampling unit is connected with the wiring conductor 21 and used for acquiring a voltage signal, the temperature detection unit is used for acquiring a temperature signal of the wiring conductor 21, the signal processing unit processes the obtained current signal, voltage signal and temperature signal and then feeds back the processed signals to the external receiving equipment through the communication module 23, the communication module 23 can perform signal feedback in a wired or wireless communication mode, and the external receiving device can be an upper computer or a client. The signal processing unit can select a microcontroller or a singlechip.

In addition, through the calculation of the processing unit, the three-phase active power, reactive power, apparent power, power factor, power degree and other power grid parameters can be acquired, and the loop protection function is realized.

The signal acquisition module 22 preferably further includes a switch signal unit, the switch signal unit is connected to the circuit breaker in the primary circuit, the switch signal unit has a DI signal acquisition function and is used for acquiring signals such as the opening/closing state and the fault state of the circuit breaker in the primary circuit, the switch signal unit also has a DO signal output function, and after receiving an opening/closing control command, the switch signal unit can output a control signal for controlling the opening/closing to the circuit breaker, so that the opening/closing of the primary circuit can be remotely operated.

Further, signal acquisition module 22 still includes state detecting element, state detecting element is connected with the advancing mechanism (not shown) of drawer cabinet, and state detecting element acquires the connection status of the secondary connector in connector 2 and the drawer cabinet through advancing mechanism, and wherein connector 2's connection status is judged according to the connection status of wiring conductor 21 and the vertical row of drawer cabinet, and at this moment, need set up power module in addition for signal acquisition module 22 and communication module 23, and it is out of work to avoid wiring conductor 21 and leading to signal acquisition module 22 and communication module 23 to lack of electricity after the disconnection of vertical row.

Certainly, the connection state of the wiring conductor 21 and the vertical row of the drawer cabinet can be determined without additionally providing a power module, that is, when the signal acquisition module 22 can acquire the current or voltage signal of the primary loop, the wiring conductor 21 is connected with the vertical row of the drawer cabinet, and when the signal acquisition module 22 cannot acquire the current and voltage signal of the primary loop, the wiring conductor 21 is disconnected from the vertical row of the drawer cabinet. As shown in fig. 2 to 5, the fixing member 26 includes a supporting structure and a casing, the fixing member 26 in fig. 2 to 5 only shows the supporting structure, in order to show the connection manner of the wiring conductor 21, the signal acquisition module 22 and the communication module 23, the casing is omitted in the drawing, the supporting structure is used for assembling the wiring conductor 21, the supporting conductor is provided with a convex part protruding outwards on one side, a groove for accommodating the connector 211 is arranged in the middle of the convex part, and the connector 211 in the groove is preferably a female connector. Of course, the connector 211 may also be a male connector, and in this case, no recess may be provided on one side of the support structure. The housing and the other side of the supporting structure are matched to form an accommodating cavity, the wiring end 212 of the wiring conductor 21 penetrates through the housing and extends out of the accommodating cavity, a circuit board 24 is arranged in the accommodating cavity, a signal acquisition module 22 and a communication module 23 are integrated on the circuit board 24, the signal acquisition module 22 and the communication module 23 realize signal transmission through the circuit board 24, and layout of communication circuits is reduced.

In one embodiment of the temperature detection unit, the temperature detection unit includes a temperature signal processing module for receiving and processing the temperature signal transmitted by the external temperature measurement module 222, and the temperature signal processing module is disposed on the circuit board 24 in the fixing member 26. The temperature measuring module 222 is preferably a thermistor temperature sensor or a thermocouple, the temperature measuring module 222 may be disposed outside the fixing member 26, for example, in the drawer unit 1 of the drawer cabinet, for monitoring the temperature in the drawer cabinet, and the temperature signal processing module in the plug connector is used for signal processing.

As another embodiment, the temperature detecting unit includes a temperature measuring module 222 and a temperature signal processing module, the temperature detecting unit obtains a temperature signal of the connector 2 through the temperature measuring module 222, the temperature measuring module 222 includes a heat conducting end, the heat conducting end is in contact with the wiring conductor 21 for obtaining the temperature signal, the temperature measuring module 222 is disposed in the fixing member 26, the temperature measuring module 222 is connected with the temperature signal processing module of the temperature detecting unit through the signal line 25 for feeding back the temperature signal, the temperature signal processing module filters and transmits the signal to the signal processing unit, the temperature measuring module 222 is preferably a thermistor temperature sensor or a thermocouple, compared with a structure in which the temperature measuring module 222 is located outside the fixing member 26, although the fixing member 26 of this embodiment requires relatively more space, it is more accurate in detecting the temperature of the wiring conductor 21, and the whole structure is more convenient to assemble.

The current acquisition unit comprises a current sensor 221 and a current signal processing module, the current sensor 221 is connected with the wiring conductor 21 and used for acquiring a current signal, the current sensor 221 feeds back the current signal to the current signal processing module through a signal wire 25, and the current signal processing module filters the signal and transmits the signal to the signal processing unit. When the current sensor 221 is connected to the primary loop, the actual operating current of the current sensor is the current in the primary loop, that is, the primary current of the current sensor is the actual operating current, and the secondary side current is 4 to 20mA, and has a certain proportional relationship with the primary current. The wiring conductor 21 passes through the current sensor 221, and the signal collected by the current sensor 221 is processed and then connected with the signal processing unit.

The voltage detection unit is directly connected to the connection conductor 21 via a signal line 25 for detecting a voltage signal. The voltage acquisition unit can adopt a divider resistor to acquire voltage and transmit the voltage to the signal processing unit.

In addition, the signal sampling module can set up working power supply alone, acquires working power supply through external power supply mode. Preferably, the signal sampling module obtains operating power from the wiring conductor 21 when sampling current and voltage. One way is to obtain the operating power by providing a voltage reduction circuit, a voltage stabilizing circuit, and a filter circuit, respectively. Another way is to obtain the operating power by the induced current of the current transformer as the current sensor 221.

It is preferable that the signal line 25 is a shielded twisted pair to reduce electromagnetic interference caused by strong current in the primary circuit to signal transmission, and it is preferable that the signal line 25 is disposed in a direction perpendicular to the primary circuit, the signal line 25 is disposed in a direction perpendicular to the wiring conductor 21 in fig. 3 and 4, and the communication module 23 is disposed at a position on the side away from the wiring conductor 21. In addition, the fixing member 26 may preferably be made of a material having a shielding function.

As shown in fig. 3 to 5, in the present embodiment, three parallel wiring conductors 21 are provided on one fixing member 26, connection holes are provided on the terminal 212, and the wiring board 24 integrated with the signal collection module 22 and the communication module 23 is disposed below the wiring conductors 21 and as far away from the wiring conductors 21 as possible, and the signal collection module 22 may be disposed on a side of the wiring board 24 facing the wiring conductors 21 or a side facing away from the wiring conductors 21. Preferably, a signal acquisition module 22 is arranged between two adjacent wiring conductors 21, wherein one signal acquisition module 22 is used for acquiring current, voltage and temperature signals of two wiring conductors 21, and the other signal acquisition module is used for acquiring parameter information of the remaining one wiring conductor 21, so that long-distance transmission signals of a signal line 25 are reduced, electromagnetic interference caused by strong electricity is avoided, and the signal acquisition module 22 can be arranged only one signal line 25 which is arranged perpendicular to the wiring conductors 21 to further ensure the stability of signal transmission; the communication module 23 is disposed on the side of the wiring board 24, and the communication module 23 is preferably located outside the outermost wiring conductor 21 to reduce strong interference of communication signals.

With reference to fig. 6, an embodiment of a drawer cabinet is described, the drawer cabinet includes a drawer unit 1, a primary circuit, a wiring member 3 and a secondary circuit are disposed in the drawer unit 1, the primary circuit and the secondary circuit are disposed on two sides of the drawer unit 1, a connector 2 is disposed on a side wall of the drawer unit 1 on which the primary circuit is mounted, the connector 2 has a signal acquisition module 22 and a communication module 23, and has a function of acquiring current, voltage and temperature signals while realizing a function of connecting or disconnecting a circuit, a wiring conductor 21 of the connector 2 is mounted on a side wall of the drawer unit 1 through a fixing member 26, one end of the wiring conductor 21 serving as a connector 211 extends out of the drawer unit 1 to be connected to a vertical row in the drawer cabinet, one end of the wiring conductor 21 serving as a terminal 212 is disposed in the drawer unit 1 and connected to the primary circuit through the wiring member 3, the copper bar that preferred wiring piece 3 is the L shape, is connected with wiring conductor 21 with the parallel one end of wiring conductor 21, and the cover is equipped with current transformer 4 on the copper bar, the electric current that current transformer 4 response produced can be as signal sampling module 22's working power supply after handling, with wiring conductor 21 vertically one end and a return circuit connection, specifically be connected with the circuit breaker of a return circuit. The secondary circuit is an instrument circuit in the drawer cabinet, and a secondary connector is arranged on one side of the drawer unit 1, which is provided with the secondary circuit.

Preferably, be equipped with control module in the circuit breaker, control module and signal acquisition module 22 signal connection in connector 2, carry out signal connection by the switching signal unit in the signal acquisition module 22 with control module, control module can feed back the divide-shut brake state of circuit breaker and whether have the trouble to switching signal unit, and signal acquisition module 22 can be after receiving the control command of control circuit breaker divide-shut brake, the corresponding divide-shut brake control signal of output to control module, realizes the divide-shut brake of remote control circuit breaker.

Preferably, a pushing mechanism (not shown) is further provided in the drawer unit 1, and outputs a position signal according to the connection state of the connector 2 and the secondary connector. The position signal includes a connection state, a disconnection state, and a test state. The connection state, that is, the connector 2 is in the connection state with the vertical row of the drawer cabinet, the secondary connector is also in the connection state, at this time, the pushing mechanism outputs the drawer unit 1 to the signal acquisition module 22 to be in the connection state, at this time, the drawer unit 1 cannot be directly pulled out, the drawer unit 1 needs to be switched to the disconnection state from the connection state to be pulled out through an unlocking button or a rocking mechanism arranged on the drawer unit 1 firstly. The disconnected state, i.e. the connector 2 is disconnected from the vertical row of the drawer cabinet, and the secondary connector is also disconnected, so that the drawer unit 1 can be pulled out directly. The test state is that the connector 2 and the vertical row of the drawer cabinet are in a disconnected state, and the secondary connector is in a connected state.

Preferably, a display panel is arranged on one side of the drawer cabinet, the display panel is connected with the communication module 23 and is used for displaying current, voltage and temperature signals, so that parameter changes of the drawer cabinet and other receiving devices can be observed at the same time, of course, whether the current state of the drawer unit 1 can be pulled out or not can be displayed on the display panel, information such as the opening and closing state and the fault state of a circuit breaker in a primary loop can be displayed, and the display panel is preferably located on one side provided with a secondary loop.

When the working power supply of the signal acquisition module 22, the communication module 23 and the display panel of the connector 2 is provided by the wiring conductor 21, when the wiring conductor 21 is connected with the vertical row of the drawer cabinet, the signal acquisition module 22, the communication module 23 and the display panel work normally, the drawer unit 1 cannot be pulled out at the moment, and the display panel can display current, voltage and temperature signals, and information such as the opening and closing state and the fault state of a circuit breaker in a primary loop; when the wiring conductor 21 is disconnected from the vertical row of the drawer cabinet, the signal acquisition module 22, the communication module 23 and the display panel do not operate, and the drawer unit 1 can be pulled out.

When the connector 2 is additionally provided with a working power supply, the working power supplies of the signal acquisition module 22, the communication module 23 and the display panel are not influenced by the state of the wiring conductor 21, so that the display panel can display the connection state of the wiring conductor 21 and the vertical row, the current, the voltage and the temperature signal of the connector 2, the opening and closing state of a circuit breaker in a primary circuit, the fault state and other information, and the connection state of a secondary connector, thereby obtaining the connection state, the disconnection state or the test state of the drawer unit 1, and judging whether the drawer unit 1 can be pulled out.

Of course, in the drawer cabinet without the display panel, the current, voltage and temperature signals collected by the connector 2 are only transmitted to the external receiving device.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (18)

1. The utility model provides a connector of drawer cabinet which characterized in that: including wiring conductor (21), signal acquisition module (22) and communication module (23), wiring conductor (21) are used for connecting the primary circuit of drawer cabinet, and signal acquisition module (22) include current acquisition unit, voltage acquisition unit and temperature detecting element, current acquisition unit is connected with wiring conductor (21) and is used for acquireing current signal, and voltage acquisition unit is connected with wiring conductor (21) and is used for acquireing voltage signal, and temperature detecting element is used for acquireing the temperature signal of wiring conductor (21), and signal acquisition module (22) are connected with communication module (23).

2. The drawer cabinet connector of claim 1, wherein: the connector also comprises a fixing piece (26), at least one wiring conductor (21) is fixedly arranged in the fixing piece (26), and two ends of the wiring conductor (21) are communicated with the outside.

3. A drawer cabinet connector according to claim 1 or 2, wherein: the signal acquisition module (22) and the communication module (23) are arranged on one circuit board (24), and the signal acquisition module (22) and the communication module (23) realize signal transmission through the circuit board (24).

4. A drawer cabinet connector according to claim 2, wherein: the signal acquisition module (22) comprises a signal processing unit, and the signal processing unit is connected with the current acquisition unit, the voltage acquisition unit and the temperature detection unit; the temperature detection unit comprises a temperature measurement module (222) and a temperature signal processing module connected with the temperature measurement module (222), the current acquisition unit comprises a current sensor (221) and a current signal processing module connected with the current sensor (221), and the temperature measurement module (222), the temperature signal processing module, the current sensor (221) and the current signal processing module are all located in the fixing piece (26).

5. A drawer cabinet connector according to claim 2, wherein: the temperature detection unit comprises a temperature signal processing module which is used for receiving and processing a temperature signal transmitted by an external temperature measurement module (222).

6. A drawer cabinet connector according to claim 2, wherein: one end of the wiring conductor (21) is used as a connector (211) and is connected with the vertical row of the drawer cabinet, the other end of the wiring conductor (21) is used as a wiring terminal (212) and is connected with a primary loop of the drawer cabinet, and the signal acquisition module (22) and the communication module (23) are located at one end of the wiring terminal (212) close to the wiring conductor (21).

7. A drawer cabinet connector according to claim 2, wherein: mounting (26) include bearing structure and housing, bearing structure is used for fixed wiring conductor (21), and the housing forms with one side cooperation of bearing structure and holds the chamber, and signal acquisition module (22) and communication module (23) set up and are holding the intracavity, and the both sides of mounting (26) are worn out at the both ends of wiring conductor (21), and wherein wear out the outer one end of housing as the wiring end (212) that are used for connecting the primary loop, and the one end of wearing out bearing structure is as joint (211) that is used for connecting the vertical row of drawer cabinet.

8. The drawer cabinet connector of claim 7, wherein: the connector (211) is a female connector, one side of the support structure protrudes outwards to form a protruding portion, and a groove used for accommodating the connector (211) is formed in the middle of the protruding portion.

9. The drawer cabinet connector of claim 1, wherein: the signal acquisition module (22) acquires a current signal, a voltage signal and a temperature signal through a signal wire (25), and the signal wire (25) is arranged along a direction perpendicular to the wiring conductor (21).

10. The drawer cabinet connector of claim 1, wherein: the wiring device is characterized by further comprising a fixing piece (26), wherein the wiring conductors (21) are fixedly arranged in the fixing piece (26), and two ends of each wiring conductor (21) are communicated with the outside; the signal acquisition module (22) and the communication module (23) are arranged on a circuit board (24), and the signal acquisition module (22) and the communication module (23) realize signal transmission through the circuit board (24); the circuit board (24) is located one side of wiring conductor (21), and communication module (23) set up the avris position of keeping away from a plurality of wiring conductors (21), and signal acquisition module (22) are located between adjacent wiring conductor (21).

11. The drawer cabinet connector of claim 1, wherein: the signal acquisition module (22) further comprises a switch signal unit, wherein the switch signal unit is connected with the circuit breaker in the primary loop and can be used for acquiring signals of the opening and closing state and the fault state of the circuit breaker and outputting control signals of the opening and closing to the circuit breaker.

12. The drawer cabinet connector of claim 1, wherein: the signal acquisition module (22) and the communication module (23) acquire a working power supply from the wiring conductor (21), and the connection state of the wiring conductor (21) and the vertical row of the drawer cabinet is judged according to whether the signal acquisition module (22) can acquire a current or voltage signal of a primary loop.

13. The drawer cabinet connector of claim 1, wherein: still include power module, power module is used for supplying power for signal acquisition module (22) and communication module (23), signal acquisition module (22) still include state detecting element, state detecting element is connected with the advancing mechanism of drawer cabinet and is used for receiving the position signal, and signal acquisition module (22) are according to the position signal that obtains and judge the connection status of wiring conductor (21) and the vertical row of drawer cabinet.

14. A drawer cabinet, its characterized in that: comprising a drawer unit (1), in which drawer unit (1) a primary circuit and a secondary circuit are arranged, and on the side of the drawer unit (1) to which the primary circuit is fitted a connector (2) according to any one of claims 1 to 10 is arranged, the connection conductors (21) of the connector (2) being connected to the primary circuit by means of a connection piece (3).

15. A drawer cabinet, its characterized in that: including drawer unit (1) be provided with primary loop and secondary circuit in drawer unit (1), be equipped with connector (2) of claim 11 or 12 on one side that drawer unit (1) was equipped with primary loop, connector (2)'s wiring conductor (21) are connected with the circuit breaker of primary loop through wiring piece (3) be equipped with control module in the circuit breaker, control module and connector (2) switch signal unit signal connection.

16. A drawer cabinet, its characterized in that: comprising a drawer unit (1), in which drawer unit (1) a primary circuit and a secondary circuit are provided, and on the side of the drawer unit (1) to which the primary circuit is fitted a connector (2) according to claim 13 is provided, the connection conductor (21) of the connector (2) being connected to the primary circuit by means of a connection piece (3); a secondary connector is arranged on one side of the drawer unit (1) where the secondary loop is assembled; the drawer unit (1) is further provided with a pushing mechanism, and the pushing mechanism outputs position signals according to the connection state of the connector (2) and the connection state of the secondary connector.

17. A chest of drawers as defined in any one of claims 14 to 16 wherein: and a display panel is arranged on one side of the drawer cabinet and is connected with the communication module (23) and used for displaying current, voltage and temperature signals.

18. A chest of drawers as defined in any one of claims 14 to 16 wherein: the current transformer (4) is sleeved on the wiring piece (3).

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