CN212908650U - Small-sized low-voltage remote control metering cabinet - Google Patents

Abstract

The utility model discloses a small-size low pressure remote control measurement cabinet, include: the intelligent cabinet comprises a cabinet body, wherein fixed supports are fixedly installed on two sides of the inner wall of the cabinet body, the fixed supports divide the cabinet body into an A working chamber and a B working chamber, an upper cross arm, a middle cross arm and a lower cross arm are fixedly installed inside the A working chamber, the middle cross arm is located between the upper cross arm and the lower cross arm, a voltage fuse and an air circuit breaker are fixedly installed on one side of the upper cross arm, a plurality of current transformers are fixedly installed on one side of the lower cross arm, and an upper baffle and a lower baffle are fixedly installed inside the B working chamber; the utility model discloses the mounted position is far away from 10kV high-tension apparatus, can guarantee equipment and personnel's safety. The utility model discloses inner space is sufficient, can guarantee that electric energy meter, load control terminal, low-voltage current transformer installation standard are neat. The utility model discloses there is the joint terminal box, can change electric energy meter and load control terminal under the circumstances of not having a power failure, is convenient for maintain.

Description

Small-sized low-voltage remote control metering cabinet

Technical Field

The utility model relates to a measurement cabinet technical field specifically is small-size low pressure remote control measurement cabinet.

Background

The metering cabinet is a cabinet body provided with a special meter (device), and is called a metering cabinet. In China, the metering cabinet generally refers to an electric energy metering cabinet, and according to the definition of terms in the Specification electric energy metering cabinet (GB/T16976-2013), the electric energy metering cabinet is as follows: a special cabinet type electricity consumption metering device (electric energy metering device). The electricity consumption metering device comprises: the general term for the combination of all electrical equipment, electrical parts and mechanical structures that measure electrical energy.

However, at present, the following old-fashioned metering box is mainly adopted by customers who measure on the low-voltage side of the transformer. The main disadvantages of this kind of batch meter are as follows:

1. the distance between the metering box and the 10kV high-voltage lead of the transformer is very close, and great potential safety hazards are brought to the operation of metering equipment and the work of maintenance personnel.

2. The internal space is narrow and small, and the electric energy meter, the load control terminal and the low-voltage current transformer cannot be installed regularly.

3. The metering loops are installed according to the default CBA sequence from left to right of the transformer, so that the reverse phase sequence of the metering loops is connected into the electric energy meter, and the metering precision is influenced. If the positive phase sequence access is corrected, the metering secondary wires will cross each other, which is not favorable for maintenance.

4. And the electric energy meter and the load control terminal cannot be replaced without power outage because the combined junction box is not available.

5. The fixed box body needs to disassemble a compression joint screw on the transformer, and a transformer component is damaged.

6. The low-voltage outlet wire can be pressed on the wiring terminal only by bending after passing through the mutual inductor, and the installation difficulty is high.

7. The temperature of the upper part of the transformer is very high in summer and can reach 70 ℃, and the operation of the ammeter and the load control terminal is seriously influenced.

8. Part customer distribution equipment is old, and old switch can't realize the function of remote load control trip, needs to install new measurement cabinet and inlet wire cabinet additional, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-size low pressure remote control measures cabinet to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: small-size low pressure remote control measures cabinet includes:

the intelligent electric energy meter remote load control cabinet comprises a cabinet body, wherein fixing supports are fixedly mounted on two sides of the inner wall of the cabinet body, the cabinet body is divided into a working chamber A and a working chamber B by the fixing supports, an upper cross arm, a middle cross arm and a lower cross arm are fixedly mounted in the working chamber A, the middle cross arm is positioned between the upper cross arm and the lower cross arm, a voltage fuse and an air circuit breaker are fixedly mounted on one side of the upper cross arm, a plurality of current transformers are fixedly mounted on one side of the lower cross arm, an upper baffle and a lower baffle are fixedly mounted in the working chamber B, an intelligent electric energy meter and a remote load control terminal are fixedly mounted on one side of the upper baffle, and a first junction box and a second junction box are fixedly mounted on;

a, a cabinet door of a working chamber;

b, a working chamber cabinet door;

a PC terminal;

the upper cross arm, the middle cross arm and the lower cross arm are fixedly connected with the fixed support through bolts, the upper baffle and the lower baffle are fixedly connected with the fixed support through bolts, the cabinet door hinge of the working chamber A is installed on one side of the outer wall of the cabinet body and located at the working chamber A, and the cabinet door hinge of the working chamber B is installed on the other side of the outer wall of the cabinet body and located at the working chamber B;

the intelligent electric energy meter is electrically connected with the remote load control terminal, and the air circuit breaker is electrically connected with the internal circuit of the cabinet body respectively.

Preferably, the remote load control terminal comprises a control center and a wireless communication module, and the remote load control terminal and the control center are in wireless communication connection with the PC terminal through the wireless communication module respectively.

Preferably, the method further comprises the following steps:

a temperature and humidity sensor;

the heat dissipation mechanism comprises a heat dissipation outer cover and an air inlet outer cover, a heat dissipation fan and wind shields are fixedly mounted at the bottom end inside the heat dissipation outer cover, the wind shields are positioned on two sides of the heat dissipation fan, a guide plate is fixedly mounted at the top end inside the heat dissipation outer cover above the heat dissipation fan, heat dissipation ports are formed in two sides of the outer wall of the heat dissipation outer cover, a dustproof filter screen is fixedly mounted inside the air inlet outer cover, a drying agent is filled inside the dustproof filter screen, and an air inlet hole is formed in the surface of the bottom;

the temperature and humidity sensor is fixedly arranged on one side of the outer wall of the upper cross arm, the heat dissipation outer cover is fixedly arranged on the surface of the top end of the cabinet body, the air inlet outer cover is fixedly arranged on the surface of the bottom end of the cabinet body, and the heat dissipation fan and the wind shield are fixedly connected with the top end of the cabinet body;

the temperature and humidity sensor and the cooling fan are electrically connected with the control center respectively.

Preferably, a fixed mounting that department is close to top department on one side of A studio cabinet door outer wall has switch indicator, voltmeter and voltage transfer switch, and switch indicator, voltmeter and voltage transfer switch set up side by side, A studio cabinet door outer wall one side is close to border department fixed mounting has first lead to block hanging hole and first rotatory handle, A studio cabinet door outer wall one side is close to center department and has seted up the switch operation hole.

Preferably, a meter reading window is fixedly mounted on one side, close to the top, of the outer wall of the cabinet door of the working chamber B, and a second lead sealing hanging hole and a second rotating handle are fixedly mounted on one side, close to the edge, of the outer wall of the cabinet door of the working chamber B.

Preferably, the method further comprises the following steps:

a smoke sensor;

the smoke sensor is fixedly arranged on one side of the outer wall of the middle cross arm;

and the smoke sensor is electrically connected with the control center.

Preferably, the method further comprises the following steps:

a base;

the upper end of the threading hole is fixedly provided with an insulating sleeve;

the threading hole is arranged on the surface of the bottom end of the cabinet body, and the base is fixedly installed on two sides of the bottom end of the cabinet body.

Preferably, the method further comprises the following steps:

lifting the hook;

wherein, the lifting hook is fixedly arranged at two sides of the top end of the heat dissipation outer cover.

Preferably, the top surface of the cabinet body is provided with upper vent holes at two sides of the cooling fan, and the bottom surface of the cabinet body is provided with lower vent holes at the air inlet outer cover.

Preferably, the PC terminal may be a computer or a smart phone.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the mounted position is far away from 10kV high-tension apparatus, can guarantee equipment and personnel's safety.

2. The utility model discloses inner space is sufficient, can guarantee that electric energy meter, load control terminal, low-voltage current transformer installation standard are neat.

3. The utility model discloses there is the joint terminal box, can change electric energy meter and load control terminal under the circumstances of not having a power failure, is convenient for maintain.

4. The utility model discloses a joint terminal box can guarantee that the measurement return circuit inserts the electric energy meter according to positive phase sequence.

5. The utility model discloses need not change and destroy the component of transformer, installation construction is convenient.

6. The utility model discloses can not produce overheated condition, guarantee equipment normal operating.

7. The utility model discloses can satisfy functions such as remote control, long-range power cut-off to customer's load.

8. The utility model discloses it is small, occupation space is little.

9. The utility model discloses it is light, be convenient for remove, the installation of being convenient for.

10. The utility model discloses an installation heat dissipation mechanism, when in actual use, when temperature and humidity sensor detects the internal high temperature of cabinet, temperature and humidity sensor can transmit the data information that detects to control center, control center can control radiator fan and carry out work, radiator fan work can be through last air vent suction to the heat dissipation dustcoat in the internal hot-air of cabinet, then radiator fan can blow air to the guide plate, after the air contacts the guide plate, the air can move to both sides, can remove to heat dissipation department, discharge from the heat dissipation mouth at last, external new air can enter into the air intake dustcoat from the inlet port simultaneously, then pass dustproof filter screen and drier, dustproof filter screen and drier can adsorb dust and moisture in the new air, ensure the aridity and the cleanliness factor of air, new air can enter the cabinet internal from the air vent down simultaneously, the circulation of the internal air of cabinet can be realized, not only can a very good radiating effect be reached, the circulation of the internal air of cabinet can also be realized, the damp condition of the internal part of the cabinet is avoided, and thus the normal operation of equipment can be ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a working chamber A of the present invention;

fig. 3 is a schematic view of the back structure of the present invention;

FIG. 4 is a schematic structural view of a working chamber B of the present invention;

FIG. 5 is a schematic structural view of the air intake housing of the present invention;

FIG. 6 is a schematic view of the structure of the heat dissipation cover of the present invention;

fig. 7 is a schematic diagram of a component frame structure of the present invention.

In the figure: 10-a cabinet body; 11-A working chamber; 111-upper cross arm; 112-middle cross arm; 113-lower cross arm; 114-voltage insurance; 115-a temperature and humidity sensor; 116-air circuit breaker; 117-smoke sensor; 118-a current transformer; 12-B working chamber; 121-upper baffle plate; 122-lower baffle; 123-intelligent electric energy meter; 124-remote load control terminal; 125-a first junction box; 126-a second junction box; 13-upper vent hole; 14-lower vent; 20-a base; 30-A working chamber cabinet door; 31-switching the indicator light; 32-a voltmeter; 33-voltage switch; 34-a first lead sealing hanging hole; 35-a first rotating handle; 36-switch operating hole; 40-a heat dissipation mechanism; 41-heat dissipation outer cover; 411-a heat dissipation fan; 412-a baffle; 413-wind deflector; 414-heat dissipation ports; 42-an air intake housing; 421-a desiccant; 422-dustproof filter screen; 423-air intake; 50-lifting the hook; 60-fixing a bracket; 70-threading holes; 71-an insulating sleeve; 80-B working chamber cabinet door; 81-meter reading window; 82-a second lead sealing hanging hole; 83-a second rotating handle; 90-PC terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-7, the present invention provides a technical solution: small-size low pressure remote control measures cabinet includes: cabinet 10, a working chamber cabinet door a 30, a working chamber cabinet door B80, and PC terminal 90.

Further, the cabinet 10 has a rectangular structure with a hollow interior.

The utility model discloses a cabinet for the electric power meter, including cabinet 10, fixed bolster 60, a cabinet 10, cross arm 111, well cross arm 112 and lower cross arm 113, and well cross arm 112 is located between cross arm 111 and the lower cross arm 113, go up cross arm 111 one side fixed mounting and have voltage fuse 114 and air circuit breaker 116, cross arm 113 one side fixed mounting has current transformer 118 down, and current transformer 118 is equipped with a plurality ofly, the inside fixed mounting of B studio 12 has overhead gage 121 and lower baffle 122, overhead gage 121 one side fixed mounting has intelligent ammeter 123 and remote load control terminal 124, lower baffle 122 one side fixed mounting has first terminal box 125 and second terminal box 126, fixed bolster 60 separates cabinet 10 into A studio 11 and B studio 12, the inside fixed mounting of A studio 11 has upper cross arm 111 and lower cross arm 113.

Further, the remote load control terminal 124: the intelligent meter is communicated with the intelligent meter and the master station system, and can remotely meter, monitor load and control switch tripping.

Further, the first junction box 125 and the second junction box 126 are connected in parallel: the correct and standard installation of the metering loop can be ensured, and the ammeter and the terminal can be replaced without power failure.

The upper cross arm 111, the middle cross arm 112 and the lower cross arm 113 are fixedly connected with the fixing support 60 through bolts, the upper baffle 121 and the lower baffle 122 are fixedly connected with the fixing support 60 through bolts, the a working chamber cabinet door 30 is hinged to one side of the outer wall of the cabinet 10 and located at the a working chamber 11, and the B working chamber cabinet door 80 is hinged to the other side of the outer wall of the cabinet 10 and located at the B working chamber 12.

The intelligent electric energy meter 123 is electrically connected to the remote load control terminal 124, and the air circuit breaker 116 is electrically connected to the internal circuit of the cabinet 10.

The remote load control terminal 124 includes a control center and a wireless communication module, and the remote load control terminal 124 and the control center are connected with the PC terminal 90 through wireless communication respectively through the wireless communication module.

Wherein, a studio cabinet door 30 outer wall one side is close to top department fixed mounting has switch pilot lamp 31, voltmeter 32 and voltage change over switch 33, and switch pilot lamp 31, voltmeter 32 and voltage change over switch 33 set up side by side, a studio cabinet door 30 outer wall one side is close to border department fixed mounting has first lead to seal off hanging hole 34 and first rotatory handle 35, a studio cabinet door 30 outer wall one side is close to center department and has seted up switch operation hole 36.

Further, the switch indicator lamp 31 indicates power on or power off.

Further, the voltmeter 32 displays the voltage.

Further, the voltage switch 33 switches the voltage phase to be displayed.

Further, the operating handle of the air circuit breaker 116 extends out of the switch operating hole 36 on the door, facilitating manual power-off.

Further, the first lead sealing hanging hole 34 is provided with a lead seal and a lockset.

A meter reading window 81 is fixedly mounted on one side, close to the top end, of the outer wall of the cabinet door 80 of the working chamber B, and a second lead sealing hanging hole 82 and a second rotating handle 83 are fixedly mounted on one side, close to the edge, of the outer wall of the cabinet door 80 of the working chamber B.

Furthermore, the meter reading window 81 is made of toughened glass, and manual meter reading can be performed through the glass window.

Wherein, still include: a smoke sensor 117.

Further, when smoke sensor 117 detects that there is smog in the cabinet body 10, smoke sensor 117 can transmit the information of gathering to control center, and control center then can be through wireless transmission module wireless transmission to PC terminal 90 for the staff can in time know the condition of measurement cabinet with long-range, avoids appearing the conflagration.

The smoke sensor 117 is fixedly installed on one side of the outer wall of the middle cross arm 112.

Further, the smoke sensor 117 is model NBES 0307.

The smoke sensor 117 is electrically connected to the control center.

Wherein, still include: a base 20 and a threading aperture 70.

Wherein, an insulating sleeve 71 is fixedly arranged at the upper end of the threading hole 70.

Further, the threading hole 70 is plugged by the insulating sleeve 71, so that small animals are prevented from entering the threading hole.

Wherein, the threading hole 70 is opened on the bottom surface of the cabinet body 10, and the base 20 is fixedly installed on two sides of the bottom of the cabinet body 10.

Wherein, still include: a lifting hook 50.

Further, the lifting hook 50 can be conveniently moved and installed.

Wherein, the lifting hook 50 is fixedly arranged at two sides of the top end of the heat dissipation housing 41.

The PC terminal 90 may be a computer or a smart phone.

As described in the above embodiments, the primary conductor enters the cabinet 10 from the wire inlet hole of the wire threading hole 70, passes through the space between the a working chamber 11 and the B working chamber 12, and is crimped to the upper side of the air circuit breaker 116, and the outgoing wire enters the cabinet 10 from the wire outlet hole of the wire threading hole 70, passes through the current transformer 118, and is crimped to the lower side of the air circuit breaker 116.

Example 2:

referring to fig. 4, the present invention provides a technical solution: small-size low pressure remote control measures cabinet still includes: a temperature and humidity sensor 115 and a heat dissipation mechanism 40.

Wherein, heat dissipation mechanism 40 includes heat dissipation dustcoat 41 and the dustcoat 42 that admits air, the inside bottom fixed mounting of heat dissipation dustcoat 41 has radiator fan 411 and deep bead 413, deep bead 413 is located radiator fan 411 both sides, the inside top of heat dissipation dustcoat 41 is located radiator fan 411 top fixed mounting and has guide plate 412, thermovent 414 has been seted up to heat dissipation dustcoat 41 outer wall both sides, the inside fixed mounting of the dustcoat 42 that admits air has dustproof filter screen 422, dustproof filter screen 422 inside packing has drier 421, inlet hole 423 has been seted up on the dustcoat 42 bottom surface that admits air.

Further, when the temperature and humidity sensor 115 detects that the temperature in the cabinet 10 is too high, the temperature and humidity sensor 115 transmits detected data information to the control center, the control center controls the heat dissipation fan 411 to operate, the heat dissipation fan 411 operates to suck hot air in the cabinet 10 into the heat dissipation outer cover 41 through the upper vent hole 13, then the heat dissipation fan 411 blows the air to the flow guide plate 412, when the air contacts the flow guide plate 412, the air moves to the two sides and moves to the heat dissipation port 414, and is finally discharged from the heat dissipation port 414, meanwhile, external new air enters the air intake outer cover 42 through the air inlet 423, and then passes through the dustproof filter screen 422 and the desiccant 421, the dustproof filter screen 422 and the desiccant 421 can adsorb dust and moisture in the new air, so as to ensure the dryness and cleanliness of the air, and meanwhile, the new air enters the cabinet 10 through the lower vent hole 14, the circulation of the air in the cabinet body 10 can be realized, a good heat dissipation effect can be achieved, the circulation of the air in the cabinet body can be realized, the damp condition in the cabinet body is avoided, and therefore the normal operation of the equipment can be guaranteed.

Wherein, temperature and humidity sensor 115 fixed mounting is in last cross arm 111 outer wall one side, heat dissipation dustcoat 41 fixed mounting is in cabinet body 10 top surface, admit air dustcoat 42 fixed mounting in cabinet body 10 bottom surface, fixed connection between radiator fan 411 and deep bead 413 and the cabinet body 10 top.

The temperature and humidity sensor 115 and the cooling fan 411 are electrically connected to the control center, respectively.

Further, the type of the temperature and humidity sensor 115 is GWSD 100/100.

The top surface of the cabinet 10 at two sides of the heat dissipating fan 411 is provided with an upper vent 13, and the bottom surface of the cabinet 10 at the air inlet outer cover 42 is provided with a lower vent 14.

As described in the above embodiments, when the temperature and humidity sensor 115 detects that the temperature inside the cabinet 10 is too high, the temperature and humidity sensor 115 transmits the detected data information to the control center, the control center controls the operation of the heat dissipation fan 411, the heat dissipation fan 411 operates to suck the hot air inside the cabinet 10 into the heat dissipation housing 41 through the upper vent 13, the heat dissipation fan 411 blows the air to the flow guide plate 412, when the air contacts the flow guide plate 412, the air moves to the two sides and moves to the heat dissipation port 414, and is finally discharged from the heat dissipation port 414, meanwhile, the outside fresh air enters the air intake housing 42 through the air inlet 423, and then passes through the dustproof filter net 422 and the desiccant 421, the dustproof filter net 422 and the desiccant can adsorb dust and moisture in the fresh air, so as to ensure the dryness and cleanliness of the air, and simultaneously, the fresh air enters the cabinet 10 through the lower vent 14, the circulation of the air in the cabinet body 10 can be realized, not only can a good heat dissipation effect be achieved, but also the circulation of the air in the cabinet body can be realized, and the condition that the interior of the cabinet body is moist is avoided.

In the several embodiments provided in the present disclosure, it should be understood that the disclosed apparatus may be implemented in other manners. The welding or screwing or winding of the parts to be welded or screwed together as shown or discussed can be assisted by means of devices such as welding torches, screwing with wrenches, etc., and the parts of the device can be made of various materials, such as metal materials, for example, aluminum alloys, steel and copper, by casting or by mechanical stamping.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. Small-size low pressure remote control measures cabinet, its characterized in that includes:

the intelligent electric energy meter cabinet comprises a cabinet body (10), fixed supports (60) are fixedly mounted on two sides of the inner wall of the cabinet body (10), the fixed supports (60) divide the cabinet body (10) into an A working chamber (11) and a B working chamber (12), an upper cross arm (111), a middle cross arm (112) and a lower cross arm (113) are fixedly mounted in the A working chamber (11), the middle cross arm (112) is located between the upper cross arm (111) and the lower cross arm (113), a voltage fuse (114) and an air circuit breaker (116) are fixedly mounted on one side of the upper cross arm (111), a current transformer (118) is fixedly mounted on one side of the lower cross arm (113), a plurality of current transformers (118) are arranged, an upper baffle plate (121) and a lower baffle plate (122) are fixedly mounted in the B working chamber (12), an intelligent electric energy meter (123) and a load remote control terminal (124) are fixedly mounted on one side of the upper baffle plate (121), a first junction box (125) and a second junction box (126) are fixedly arranged on one side of the lower baffle plate (122);

a working chamber cabinet door (30);

a working chamber cabinet door (80);

a PC terminal (90);

the upper cross arm (111), the middle cross arm (112) and the lower cross arm (113) are fixedly connected with the fixed support (60) through bolts, the upper baffle plate (121) and the lower baffle plate (122) are fixedly connected with the fixed support (60) through bolts, the A working chamber cabinet door (30) is hinged to one side of the outer wall of the cabinet body (10) and located at the A working chamber (11), and the B working chamber cabinet door (80) is hinged to the other side of the outer wall of the cabinet body (10) and located at the B working chamber (12);

the intelligent electric energy meter (123) is electrically connected with the remote load control terminal (124), and the air circuit breaker (116) is electrically connected with the internal circuit of the cabinet body (10) respectively.

2. A small-sized low-voltage remote control metering cabinet according to claim 1, characterized in that: the remote load control terminal (124) comprises a control center and a wireless communication module, and the remote load control terminal (124) and the control center are in wireless communication connection with the PC terminal (90) through the wireless communication module respectively.

3. A small-sized low-voltage remote control metering cabinet according to claim 1, characterized in that: the method further comprises the following steps:

a temperature/humidity sensor (115);

the heat dissipation mechanism (40) comprises a heat dissipation outer cover (41) and an air inlet outer cover (42), a heat dissipation fan (411) and air blocking plates (413) are fixedly installed at the bottom end of the interior of the heat dissipation outer cover (41), the air blocking plates (413) are located on two sides of the heat dissipation fan (411), a guide plate (412) is fixedly installed at the top end of the interior of the heat dissipation outer cover (41) above the heat dissipation fan (411), heat dissipation ports (414) are formed in two sides of the outer wall of the heat dissipation outer cover (41), a dustproof filter screen (422) is fixedly installed in the interior of the air inlet outer cover (42), a drying agent (421) is filled in the dustproof filter screen (422), and an air inlet hole (423) is formed in the bottom end surface;

the temperature and humidity sensor (115) is fixedly mounted on one side of the outer wall of the upper cross arm (111), the heat dissipation outer cover (41) is fixedly mounted on the surface of the top end of the cabinet body (10), the air inlet outer cover (42) is fixedly mounted on the surface of the bottom end of the cabinet body (10), and the heat dissipation fan (411) and the wind shield (413) are fixedly connected with the top end of the cabinet body (10);

the temperature and humidity sensor (115) and the cooling fan (411) are respectively electrically connected with the control center.

4. A small-sized low-voltage remote control metering cabinet according to claim 1, characterized in that: a studio cabinet door (30) outer wall one side is close to top department fixed mounting and has switch pilot lamp (31), voltmeter (32) and voltage change over switch (33), and switch pilot lamp (31), voltmeter (32) and voltage change over switch (33) set up side by side, A studio cabinet door (30) outer wall one side is close to border department fixed mounting and has first lead to block hanging hole (34) and first rotatory handle (35), A studio cabinet door (30) outer wall one side is close to center department and has seted up switch operation hole (36).

5. A small-sized low-voltage remote control metering cabinet according to claim 1, characterized in that: a meter reading window (81) is fixedly mounted on one side of the outer wall of the B working chamber cabinet door (80) close to the top end, and a second lead sealing hanging hole (82) and a second rotating handle (83) are fixedly mounted on one side of the outer wall of the B working chamber cabinet door (80) close to the edge.

6. A small-sized low-voltage remote control metering cabinet according to claim 1, characterized in that: further comprising:

a smoke sensor (117);

the smoke sensor (117) is fixedly arranged on one side of the outer wall of the middle cross arm (112);

wherein, the smoke sensor (117) is electrically connected with the control center.

7. A compact, low-voltage, remote-controlled metering cabinet according to claim 1, characterized in that it further comprises:

a base (20);

the wire threading device comprises a wire threading hole (70), wherein an insulating sleeve (71) is fixedly arranged at the upper end of the wire threading hole (70);

the threading hole (70) is formed in the bottom end surface of the cabinet body (10), and the base (20) is fixedly installed on two sides of the bottom end of the cabinet body (10).

8. A compact, low-voltage, remote-controlled metering cabinet according to claim 1, characterized in that it further comprises:

a lifting hook (50);

the lifting hook (50) is fixedly arranged on two sides of the top end of the heat dissipation outer cover (41).

9. A small-sized low-voltage remote control metering cabinet according to claim 1, characterized in that: the top surface of the cabinet body (10) is positioned at two sides of the heat dissipation fan (411) and is provided with an upper vent hole (13), and the bottom surface of the cabinet body (10) is positioned at the air inlet outer cover (42) and is provided with a lower vent hole (14).

10. A small-sized low-voltage remote control metering cabinet according to claim 1, characterized in that: the PC terminal (90) can be a computer or a smart phone.

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