CN115912143A

CN115912143A - JP cabinet that can quick replacement module

Info

Publication number: CN115912143A
Application number: CN202310101468.9A
Authority: CN
Inventors: 辛宗军; 赵修梁; 隋海英; 沈永�; 张传明; 辛鑫
Original assignee: Shandong Lukong Electric Power Equipment Co ltd
Current assignee: Shandong Lukong Electric Power Equipment Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-04-04

Abstract

The invention relates to the technical field of distribution equipment, in particular to a JP cabinet capable of quickly replacing modules. The invention provides a JP cabinet which is convenient to maintain and can quickly replace modules. A JP cabinet capable of quickly replacing modules comprises a cabinet body, a front door, a side door, a rear door and the like; the cabinet body can be divided into three cavity, is equipped with rotatable qianmen, side door and the back door of opening on the cabinet body, and cabinet body bottom is equipped with the truckle, and cabinet side-mounting has radiator fan, still including card strip, fixed plate and electrical apparatus board etc. all is equipped with the card strip in two cavities of cabinet body upside, the card strip has at least two sets of and bilateral symmetry, and swing joint has two piece at least fixed plates on the card strip, all is equipped with the electrical apparatus board on the fixed plate. The invention adopts an internal structure with a modular design, realizes the rapid movement of the whole position of the component, can flexibly adjust the internal space of the JP cabinet, can conveniently take out the component and the mounting assembly thereof together, and greatly improves the convenience of component inspection and replacement.

Description

JP cabinet that can quick replacement module

Technical Field

The invention relates to the technical field of distribution equipment, in particular to a JP cabinet capable of quickly replacing modules.

Background

The JP cabinet is a JP comprehensive distribution box which is a novel comprehensive control box integrating electric energy distribution, metering, protection, control and reactive compensation. The method is widely applied to occasions such as transformer substations, factories, industrial and mining enterprises, large power plants, petroleum and chemical enterprises, large steel plants, high-rise building power centers, reactive compensation, metering, electric energy distribution and the like.

Most designs for the immobilization of current JP cabinet inner structure, the wiring port, components and parts such as reactive compensation unit and intelligent electric capacity are through the mode fixed mounting who beats the screw on the electrical apparatus board, it is difficult to lead to components and parts overall position to remove, can't carry out space adjustment in time, furthermore, JP cabinet inner space is comparatively compact, it is little to lead to the heat dissipation space, inside temperature is too high easily, and then cause JP cabinet electrical component impaired, be unfavorable for the long-term use of JP cabinet, and when the component damages, still need lift off the screw, just can change the component, and the restriction of JP cabinet inner space then further increased the degree of difficulty that components and parts were changed, make JP cabinet overhaul the maintenance need spend a large amount of time and manpower, greatly limited its work efficiency.

Therefore, there is a need for a JP cabinet that is easy to maintain and allows for quick replacement of modules.

Disclosure of Invention

In order to overcome the defects that the internal structure of the existing JP cabinet is mostly in a fixed design, components are fixedly installed through screws and the like, so that the overall position of the components is difficult to move, space adjustment cannot be performed timely, and damaged components are difficult to inspect and replace, the invention provides the JP cabinet which is convenient to maintain and can replace modules quickly.

The technical scheme of the invention is as follows: the utility model provides a JP cabinet that can quick replacement module, including the cabinet body, qianmen, side door, back door, truckle and radiator fan, the cabinet body can divide into three cavity, is equipped with rotatable qianmen, side door and the back door of opening on the cabinet body, and cabinet body bottom is equipped with the truckle, and cabinet side-mounting has radiator fan, still including card strip, fixed plate, electrical apparatus board, cassette, mount pad and buckle structure, all is equipped with the card strip in two cavities of cabinet body upside, the card strip has two sets of and bilateral symmetry at least, and swing joint has two piece at least fixed plates on the card strip, all is equipped with the electrical apparatus board on the fixed plate, installs the cassette of two relative settings in the cabinet body downside cavity, and swing joint has at least a set of mount pad on the cassette, and fixed plate accessible buckle structure is connected on the back door, and the mount pad can be taken out from the side door of opening.

Preferably, the front door comprises a door plate, a shutter and an observation window, the door plate is rotatably mounted on the front side of the cabinet body, and the shutter and the observation window are mounted on the door plate.

As preferredly, still including the screens subassembly that is used for swing joint card strip and fixed plate, the screens subassembly is equipped with horizontal first movable rod including first movable rod, first wedge and first elastic component on the fixed plate, first movable rod end-to-end connection has first wedge, and it is fixed that first wedge can insert the card strip, is connected with first elastic component between first wedge and the fixed plate.

Preferably, the limiting device further comprises a limiting assembly used for limiting the sliding of the mounting seat, the limiting assembly comprises a second movable rod, a second wedge block and a second elastic piece, the second movable rod is slidably mounted on the mounting seat, the tail end of the second movable rod is connected with the second wedge block, the second wedge block can be inserted into the clamping seat to be fixed, and the second elastic piece is connected between the second wedge block and the mounting seat.

Preferably, the buckle structure comprises a boss, the boss is arranged on the rear side of the fixing plate, and a groove matched with the boss is formed in the rear door.

As preferred, buckle structure is still including triggering piece, briquetting, slider, third elastic component and fourth elastic component, triggers the piece cover and establishes on the first movable rod of fixed plate, but trigger piece relatively fixed plate slides, and it has T type groove to open on the back door, and slidable mounting has briquetting and slider in the T type groove, and the briquetting can be relative back door front and back sliding, is connected with the third elastic component between briquetting and the back door, and the slider can be relative back door horizontal slip, is connected with the fourth elastic component between slider and the back door, and when the boss on the fixed plate stretched into the recess of back door, the trigger piece pushed down the briquetting, and the slider drives the trigger piece and moves to the inboard.

Preferably, still including being used for strengthening the fixed subassembly that fixed plate and back door are connected, fixed subassembly is including fixture block, fifth elastic component, the stand pipe, the stay cord, the rope sheave, knob and torsional spring, open the boss side has the draw-in groove, slidable mounting has the fixture block on the back door, be connected with fifth elastic component between fixture block and the back door, be equipped with the stand pipe on the back door, be equipped with the stay cord in the stand pipe, the stay cord can be followed the stand pipe and removed, stay cord one end is connected on the fixture block, the other end is connected with the rope sheave, rope sheave coaxial coupling has the knob, be connected with the torsional spring between rope sheave and the back door.

Preferably, the cabinet also comprises a wiring terminal and a protective cover, wherein the wiring terminal is detachably mounted on the cabinet body, and the protective cover is arranged on the outer side of the wiring terminal.

Preferably, still including being used for strengthening binding post and cabinet body coupling's reinforcement subassembly, it includes stopper, slide bar, sixth elastic component, telescopic link, dog and seventh elastic component to consolidate the subassembly, and the stopper is installed to the symmetry on the cabinet body, and slidable mounting has the slide bar on the stopper, is connected with sixth elastic component between slide bar and the cabinet body, installs the telescopic link on the cabinet body, and telescopic link end-to-end connection has the dog, is connected with the seventh elastic component between dog and the cabinet body, binding post can push down the dog and contact with the slide bar.

The invention has the beneficial effects that: according to the invention, through the matching of the clamping strips, the fixing plate, the clamping component and other parts and the adoption of an internal structure with a modular design, the rapid movement of the whole position of the component is realized, the internal space of the JP cabinet can be flexibly adjusted, the component and the mounting component thereof can be conveniently taken out together, the convenience in component inspection and replacement is greatly improved, and the time and labor required by the maintenance of the JP cabinet are effectively reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the components of the front door, the clamping strip, the electrical board and the like.

Fig. 3 is a side view of the present invention.

Fig. 4 is a schematic perspective view of the locking assembly of the present invention.

Fig. 5 is a schematic perspective view of the spacing assembly of the present invention.

Fig. 6 is a schematic perspective view of the buckle structure of the present invention.

Fig. 7 is a partially enlarged view of a fixing plate according to the present invention.

Fig. 8 is a perspective view of the fixing member of the present invention.

Fig. 9 is a schematic perspective view of a terminal and a shield according to the present invention.

Fig. 10 is a perspective view of a reinforcement assembly of the present invention.

Description of reference numerals: 1_ cabinet, 2_ front door, 21_ door panel, 22_ blind window, 23_ observation window, 3_ side door, 4_ rear door, 5_ caster, 6_ radiator fan, 7_ clip strip, 8_ fixed plate, 9_ electrical panel, 10_ clip seat, 11_ mounting seat, 12_ clip structure, 121_ boss, 122_ groove, 123_ trigger block, 124_ t-shaped groove, 125_ press block, 126_ slide block, 127_ third elastic element, 128_ fourth elastic element, 13_ clip component, 131_ first movable rod, 132_ first wedge block, 133_ first elastic element, 14_ limit component, 141_ second movable rod, 142_ second wedge block, 143_ second elastic element, 15_ fixed component, 151_ clip groove, 152_ clip block, 153_ fifth elastic element, 154_ guide tube, 155_ 157_ guide tube, 156_ clip, rope pulley _ knob, torsion spring, binding post 158, 17_ protective cover, 18_ reinforcing component, 182_ slide bar, 183_ slide bar, sixth elastic element, 183_ stop block, seventh elastic element, 186_ stop block, 186_ elastic element, 186_ stop block, and seventh elastic element.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

Example 1

A JP cabinet capable of quickly replacing modules is disclosed, as shown in figures 1-7, and comprises a cabinet body 1, a front door 2, a side door 3, a rear door 4, truckles 5 and a cooling fan 6, wherein the cabinet body is internally divided into three chambers, the cabinet body 1 is hinged with the front door 2, the side door 3 and the rear door 4 which can be opened in a rotating way, the front door 2 comprises a door plate 21, a shutter 22 and an observation window 23, the door plate 21 is hinged at the front side of the cabinet body 1, the shutter 22 and the observation window 23 are installed on the door plate 21 through bolts, the observation window 23 is made of transparent organic glass and is positioned at the upper side, the truckles 5 are installed at the bottom of the cabinet body 1 through bolts, the truckles 5 are universal wheels with brake stopping function, the cooling fan 6 is symmetrically installed at the upper part of the side surface of the cabinet body 1 through bolts, still including card strip 7, fixed plate 8, electrical apparatus board 9, cassette 10, mount pad 11 and buckle structure 12, all be equipped with card strip 7 in 1 two cavities of the upside of the cabinet body, open between 7 inboards of card strip has the jack, card strip 7 has six groups and bilateral symmetry, and swing joint has four fixed plates 8 on the card strip 7, all has glued electrical apparatus board 9 on the fixed plate 8, and the relative cassette 10 that sets up in the front and back of welding in the 1 downside cavity of the cabinet body, and open between 10 inboards of cassette has the jack, and swing joint has six group mount pads 11 on the cassette 10, but components and parts joint is fixed on

mount pad

11, and 8 accessible buckle structures 12 of fixed plate are connected on back door 4, and mount pad 11 can take out from the side door 3 department of opening.

When needing to overhaul or maintain the JP cabinet, can be earlier through observation window 23 on the door plant 21 of qianmen 2 to the inside preliminary observation of cabinet body 1, open qianmen 2 of cabinet body 1 according to the observation result, side door 3 or back door 4, if cabinet body 1 mounted position is not good, it makes truckle 5 rotate and remove on ground to promote cabinet body 1, move cabinet body 1 to suitable position and carry out the operation, radiator fan 6 that is equipped with on the cabinet body 1 cooperates with shutter 22 and forms the air convection, make the heat of cabinet body 1 inside distribute and transmit to the outside air in, fix fixed plate 8 on back door 4 through buckle structure 12, back door 4 can be rotated and opened, and then examine or change the components and parts of electrical apparatus board 9 department on the fixed plate 8 fast, the components and parts in the two chambeies of cabinet body 1 upside all can adopt above-mentioned operation to overhaul the maintenance, the downside components and parts damages and then take out mount pad 11 through side door 3, examine or change the components and parts on it, can also carry out readjust the spatial distribution in the cabinet body 1 through removing mount pad 11 or adjusting the position of fixed plate 8, further optimize the inside line distribution of cabinet body and heat dissipation passageway.

Example 2

On the basis of embodiment 1, as shown in fig. 4, the clamping device further includes a clamping assembly 13 for movably connecting the clamping strip 7 and the fixing plate 8, the clamping assembly 13 includes a first movable rod 131, a first wedge-shaped block 132 and a first elastic member 133, the fixing plate 8 is slidably provided with the first movable rod 131 in the transverse direction, the first movable rod 131 is composed of a round rod portion capable of sliding left and right and a holding portion extending forward, the first wedge-shaped block 132 is welded at the end of the first movable rod 131, the first wedge-shaped block 132 can be inserted into the clamping strip 7 and fixed, the first elastic member 133 is connected between the first wedge-shaped block 132 and the fixing plate 8, the first wedge-shaped block 132 keeps an inserted state under the action of the first elastic member 133, and the first elastic member 133 is made of a stainless steel compression spring.

When the position of a component fixedly mounted on the electrical board 9 needs to be adjusted, the first movable rod 131 is moved to the inner side, the first elastic piece 133 is compressed under stress, the first wedge-shaped block 132 is pulled out to be completely separated from the jack on the clamping strip 7, at the moment, the fixing board 8 can be moved to a proper position back and forth, the first wedge-shaped block 132 is aligned with the jack on the clamping strip 7, the first movable rod 131 is loosened, the first movable rod 131 moves to the outer side under the reset action of the first elastic piece 133, the first wedge-shaped block 132 is inserted into the jack on the clamping strip 7 to be fixed, and the overall position of the component on the electrical board 9 is adjusted.

As shown in fig. 5, the clamping device further includes a limiting component 14 for limiting the sliding of the mounting base 11, the limiting component 14 includes a second movable rod 141, a second wedge-shaped block 142 and a second elastic member 143, the second movable rod 141 is slidably mounted on the mounting base 11, the second movable rod 141 is composed of a round rod portion capable of sliding back and forth and a handheld portion extending to the left, a second wedge-shaped block 142 is welded at the tail end of the second movable rod 141, the second wedge-shaped block 142 can be inserted into the clamping base 10 for fixing, the second elastic member 143 is connected between the second wedge-shaped block 142 and the mounting base 11, the second wedge-shaped block 142 keeps an inserted state under the action of the second elastic member 143, and the second elastic member 143 is made of stainless steel compression spring.

When the position of the component fixedly mounted on the mounting seat 11 needs to be adjusted, the second movable rod 141 is pulled to the middle position, the second elastic piece 143 is compressed under stress, the second wedge-shaped block 142 is pulled out and completely separated from the jack inside the card seat 10, at this time, the mounting seat 11 can be moved to a proper position left and right, the distance between the mounting seats 11 is adjusted, or the side door 3 is directly opened to move the mounting seat 11 along the direction of the card seat 10 and take out, the component on the mounting seat 11 is inspected and replaced, the component is replaced between the card seats 10 after the replacement is completed, the second movable rod 141 is loosened, the second movable rod 141 moves to the front side and the rear side under the resetting action of the second elastic piece 143, and the second wedge-shaped block 142 is inserted into the jack on the card strip 7 again for fixation.

Example 3

On the basis of embodiment 2, as shown in fig. 6 and 7, the fastening structure 12 includes a boss 121, a cylindrical boss 121 is disposed at the rear side of the fixing plate 8, a groove 122 matched with the boss 121 is formed on the rear door 4, the fastening structure 12 further includes a trigger block 123, a pressing block 125, a sliding block 126, a third elastic member 127 and a fourth elastic member 128, the trigger block 123 is sleeved on the first movable rod 131 of the fixing plate 8, the trigger block 123 extends and protrudes towards the rear side, the trigger block 123 can slide relative to the fixing plate 8, a T-shaped groove 124 is formed on the rear door 4, the T-shaped groove 124 is laterally long and vertically short, the pressing block 125 and the sliding block 126 are slidably mounted in the T-shaped groove 124, briquetting 125 can slide around 4 relatively back doors, be connected with third elastic component 127 between briquetting 125 and the back door 4, stainless steel compression spring is chooseed for use to third elastic component 127, briquetting 125 stretches out the restriction slider 126 slip to the front side under the effect of third elastic component 127, slider 126 can slide left and right relatively back door 4, be connected with fourth elastic component 128 between slider 126 and the back door 4, stainless steel compression spring is chooseed for use to fourth elastic component 128, slider 126 keeps the trend of inboard removal under the effect of fourth elastic component 128, when boss 121 on the fixed plate 8 stretches into in the recess 122 of back door 4, trigger block 123 pushes down briquetting 125, slider 126 drives trigger block 123 and moves to the inboard, and then drives fixed plate 8 and card strip 5 and break away from.

When the fixing plate 8 needs to be connected to the rear door 4, the fixing plate 8 is controlled to move towards the rear side until the boss 121 completely extends into the groove 122 on the rear door 4, in the moving process, the pressing block 125 is gradually pressed backwards into the tail end of the T-shaped groove 124 by the trigger block 123, the third elastic piece 127 is compressed under the stress, the pressing block 125 no longer blocks the sliding block 126 to slide left and right, the sliding block 126 pushes the trigger block 123 inwards under the resetting action of the fourth elastic piece 128, the trigger block 123 drives the first movable rod 131 to synchronously move inwards, the first wedge-shaped block 132 is separated from the clamping strip 7, the triggering block 123 is pressed and fixed in the T-shaped groove 124 of the rear door 4 by the sliding block 126, and the fixing plate 8 is fixedly connected to the rear door 4.

As shown in fig. 7 and 8, the fixing assembly 15 for reinforcing the connection between the fixing plate 8 and the rear door 4 is further included, the fixing assembly 15 includes a latch 152, a fifth elastic member 153, a guide tube 154, a pull rope 155, a rope pulley 156, a knob 157 and a torsion spring 158, two side surfaces of the boss 121 are respectively provided with a slot 151, the rear door 4 is slidably provided with the latch 152, the latch 152 can slide left and right relative to the rear door 4, a fifth elastic member 153 is connected between the latch 152 and the rear door 4, the fifth elastic member 153 is a stainless steel compression spring, the rear door 4 is provided with a U-shaped guide tube 154, the guide tube 154 is slidably provided with the pull rope 155, the pull rope 155 can move along the guide tube 154, one end of the pull rope 155 is connected to the latch 152, the other end is connected to the rope pulley 156, the rope pulley 156 can rotate to drive the pull rope 155 to tighten up so as to separate the latch 152 from the boss 121, the knob 157 is coaxially connected to the rope pulley 156, and the torsion spring 158 is connected between the rope pulley 156 and the rear door 4.

When the fixing plate 8 is fixedly connected with the rear door 4, the fixture block 152 extends into the fixture groove 151 on the side surface of the boss 121 under the action of the fifth elastic element 153 to limit the boss 121 to move in the front-rear direction, so that the connection between the fixing plate 8 and the rear door 4 is further enhanced, when the fixing plate 8 needs to be taken down from the rear door 4, the knob 157 is firstly rotated to drive the rope pulley 156 to rotate, the pull rope 155 moves and tightens in the guide pipe 154 towards the direction of the rope pulley 156, so that the fixture block 152 is pulled out towards the outer side, the fifth elastic element 153 is compressed under force, the fixture block 152 is separated from the boss 121, then the position of the first movable rod 131 is adjusted to enable the trigger block 123 not to be limited any more, so that the fixing plate 8 can be taken down integrally separated from the rear door 4, at the knob 157 is loosened, the rope pulley 156 rotates in the reverse direction under the reset action of the torsion spring 158, the fixture block 152 is popped back towards the inner side of the groove 122 to protrude again under the reset action of the fifth elastic element 153, and the pull rope 155 moves along the guide pipe 154 to be restored to the initial state.

As shown in fig. 9, the cabinet also comprises a wiring terminal 16 and a protective cover 17, wherein the wiring terminal 16 is detachably mounted on the cabinet body 1, the protective cover 17 is arranged on the outer side of the wiring terminal 16, and the protective cover 17 can be opened in an upward rotating manner to facilitate wiring.

As shown in fig. 10, the portable terminal further includes a reinforcing component 18 for reinforcing connection between the connection terminal 16 and the cabinet 1, the reinforcing component 18 includes a limiting block 181, a sliding rod 182, a sixth elastic member 183, an expansion link 184, a stopper 185 and a seventh elastic member 186, the U-shaped limiting block 181 is symmetrically installed on the right side of the cabinet 1, the limiting block 181 matches with the ear shapes of the two ends of the connection terminal 16, the sliding rod 182 is installed on the limiting block 181 in a sliding manner, the sixth elastic member 183 is connected between the sliding rod 182 and the cabinet 1, the sixth elastic member 183 is a stainless steel compression spring, the two expansion links 184 are installed on the cabinet 1 through bolts, the stopper 185 is glued to the tail end of the expansion link 184, the stopper 185 is located inside the limiting block 181, the seventh elastic member 186 is connected between the stopper 185 and the cabinet 1, the stopper 185 extends outward under the action of the seventh elastic member 186 to limit inward movement of the sliding rod 182, the seventh elastic member 186 is a stainless steel compression spring, the connection terminal 16 can press down the stopper 185 and contact with the sliding rod 182, and the sliding rod 182 can clamp and fix the connection terminal 183 under the action of the sixth elastic member 182.

When the wiring terminal 16 needs to be fixed on the cabinet 1, the ears at two sides of the wiring terminal 16 are aligned with the limit block 181, the wiring terminal 16 is pressed down along the limit block 181, the stop block 185 moves towards the cabinet 1, the telescopic rod 184 contracts, the seventh elastic element 186 is compressed under the stress, and the sliding rod 182 extends inwards under the resetting action of the sixth elastic element 183 until contacting with the wiring terminal 16 and pressing and fixing the wiring terminal.

The above description is only an example of the present invention and is not intended to limit the present invention. All equivalents which come within the spirit of the invention are therefore intended to be embraced therein. Details not described herein are well within the skill of those in the art.

Claims

1. A JP cabinet capable of quickly replacing modules comprises a cabinet body (1), a front door (2), side doors (3), a rear door (4), casters (5) and a cooling fan (6), wherein the cabinet body (1) can be divided into three chambers, the front door (2), the side doors (3) and the rear door (4) which can be opened in a rotating mode are arranged on the cabinet body (1), the casters (5) are arranged at the bottom of the cabinet body (1), and the cooling fan (6) is installed on the side doors (3) of the cabinet body (1);

the method is characterized in that: still including card strip (7), fixed plate (8), electrical apparatus board (9), cassette (10), mount pad (11) and buckle structure (12), all be equipped with card strip (7) in the two cavities of the cabinet body (1) upside, card strip (7) have at least two sets ofly and bilateral symmetry, and swing joint has two piece at least fixed plate (8) on card strip (7), all is equipped with electrical apparatus board (9) on fixed plate (8), installs cassette (10) of two relative settings in the cabinet body (1) downside cavity, and swing joint has at least a set of mount pad (11) on cassette (10), and fixed plate (8) accessible buckle structure (12) are connected on back door (4), and mount pad (11) can be followed side door (3) of opening and taken out.

2. The JP cabinet with quick module replacement as claimed in claim 1, wherein: the front door (2) comprises a door plate (21), a shutter (22) and an observation window (23), the door plate (21) is rotatably installed on the front side of the cabinet body (1), and the shutter (22) and the observation window (23) are installed on the door plate (21).

3. The JP cabinet with quick module replacement as claimed in claim 1, wherein: still including screens subassembly (13) that are used for swing joint card strip (7) and fixed plate (8), screens subassembly (13) are equipped with horizontal first movable rod (131) including first movable rod (131), first wedge (132) and first elastic component (133) on fixed plate (8), and first movable rod (131) end-to-end connection has first wedge (132), and first wedge (132) can insert card strip (7) fixedly, is connected with first elastic component (133) between first wedge (132) and fixed plate (8).

4. The JP cabinet with quick module replacement as claimed in claim 1, wherein: still including being used for restricting gliding spacing subassembly (14) of mount pad (11), spacing subassembly (14) have second movable rod (141) including second movable rod (141), second wedge (142) and second elastic component (143), and slidable mounting has second movable rod (141) on mount pad (11), and second movable rod (141) end-to-end connection has second wedge (142), and it is fixed that second wedge (142) can insert cassette (10), is connected with second elastic component (143) between second wedge (142) and mount pad (11).

5. The JP cabinet with quick module replacement as claimed in claim 1, wherein: the buckle structure (12) comprises a boss (121), the boss (121) is arranged on the rear side of the fixing plate (8), and a groove (122) matched with the boss (121) is formed in the rear door (4).

6. The JP cabinet with a module capable of being replaced quickly as claimed in claim 5, wherein: the buckle structure (12) further comprises a trigger block (123), a pressing block (125), a sliding block (126), a third elastic piece (127) and a fourth elastic piece (128), the trigger block (123) is sleeved on a first movable rod (131) of the fixing plate (8), the trigger block (123) can slide relative to the fixing plate (8), a T-shaped groove (124) is formed in the rear door (4), the pressing block (125) and the sliding block (126) are installed in the T-shaped groove (124) in a sliding mode, the pressing block (125) can slide front and back relative to the rear door (4), the third elastic piece (127) is connected between the pressing block (125) and the rear door (4), the sliding block (126) can slide left and right relative to the rear door (4), the fourth elastic piece (128) is connected between the sliding block (126) and the rear door (4), when a boss (121) on the fixing plate (8) extends into a groove (122) of the rear door (4), the trigger block (123) is pressed down by the pressing block (125), and the sliding block (126) drives the trigger block (123) to move towards the inner side.

7. The JP cabinet with quick module replacement as claimed in claim 1, wherein: still including being used for strengthening fixed subassembly (15) that fixed plate (8) and back door (4) are connected, fixed subassembly (15) are including fixture block (152), fifth elastic component (153), stand pipe (154), stay cord (155), rope sheave (156), knob (157) and torsional spring (158), open on boss (121) side has draw-in groove (151), slidable mounting has fixture block (152) on back door (4), be connected with fifth elastic component (153) between fixture block (152) and back door (4), be equipped with stand pipe (154) on back door (4), be equipped with stay cord (155) in stand pipe (154), stay cord (155) can be followed stand pipe (154) and moved, stay cord (155) one end is connected on fixture block (152), the other end is connected with rope sheave (156), rope sheave (156) coaxial coupling has knob (157), be connected with torsional spring (158) between rope sheave (156) and back door (4).

8. The JP cabinet with quick module replacement as claimed in claim 1, wherein: still including binding post (16) and protection casing (17), binding post (16) detachably installs on the cabinet body (1), and binding post (16) outside is equipped with protection casing (17).

9. The JP cabinet with quick replaceable modules as claimed in claim 8, wherein: still including being used for strengthening reinforcement subassembly (18) that binding post (16) and the cabinet body (1) are connected, reinforcement subassembly (18) are including stopper (181), slide bar (182), sixth elastic component (183), telescopic link (184), dog (185) and seventh elastic component (186), stopper (181) are installed to the symmetry on the cabinet body (1), slidable mounting has slide bar (182) on stopper (181), be connected with sixth elastic component (183) between slide bar (182) and the cabinet body (1), install telescopic link (184) on the cabinet body (1), telescopic link (184) end-to-end connection has dog (185), be connected with seventh elastic component (186) between dog (185) and the cabinet body (1), binding post (16) can push down dog (185) and contact with slide bar (182).