CN207074808U - Damp-proof device and switch board - Google Patents

Abstract

Supply equipment technical field is the utility model is related to, in particular to a kind of damp-proof device and switch board.The damp-proof device is used to carry out drying radiating to cabinet inside.The damp-proof device includes temperature sensor, the first radiating circuit, the first humidity sensor, drying unit and controller, the temperature sensor, the first radiating circuit, the first humidity sensor and drying unit are connected with the controller respectively, the temperature sensor, the first humidity sensor and drying unit are arranged at the inside of the cabinet, and first radiating circuit is arranged at the cabinet.The damp-proof device and switch board that the utility model embodiment provides, include the damp-proof device of the first humidity sensor, drying unit, temperature sensor, the first radiating circuit and controller by being set in cabinet, efficiently solve the moistureproof problem of cabinet, electric leakage and the risk of equipment burnout are reduced, also reduces the maintenance cost of equipment.

Description

Damp-proof device and switch board

Technical field

Supply equipment technical field is the utility model is related to, in particular to a kind of damp-proof device and switch board.

Background technology

At present, constant pressure water supply equipment is quite extensive in the application of supply equipment technical field, and constant pressure water supply equipment is intended to high level When user's water consumption increases or reduced, the hydraulic pressure of water in water pipe can be adjusted, so as to ensure that service pipe hydraulic pressure is in one Individual constant pressure value.Constant pressure water supply equipment is placed in boiled water room, and boiled water room is generally larger in negative one layer, negative one layer humidity, is easily controlling The cabinet of cabinet condenses the globule, the risk of short circuit be present, so as to cause electric leakage or electrical equipment because short circuit burns..

Utility model content

In view of this, the purpose of the utility model embodiment is, there is provided a kind of damp-proof device and switch board to solve on State problem.

The utility model embodiment provides a kind of damp-proof device, described anti-for carrying out drying radiating to cabinet inside Damp device includes temperature sensor, the first radiating circuit, the first humidity sensor, drying unit and controller, and the temperature passes Sensor, the first radiating circuit, the first humidity sensor and drying unit are connected with the controller respectively, the TEMP Device, the first humidity sensor and drying unit are arranged at the inside of the cabinet, and first radiating circuit is arranged at the cabinet Body.

The utility model embodiment additionally provides a kind of switch board, including cabinet and damp-proof device, the damp-proof device bag Include the first humidity sensor, drying unit, temperature sensor, the first radiating circuit and controller, first humidity sensor, Drying unit, temperature sensor, the first radiating circuit are connected with the controller respectively, first humidity sensor, drying Device, temperature sensor, the inside for being arranged at the cabinet, first radiating circuit are arranged at the cabinet.

The damp-proof device and switch board that the utility model embodiment provides, include the first humidity sensor by being set in cabinet Device, drying unit, temperature sensor, the damp-proof device of the first radiating circuit and controller, efficiently solve the protection against the tide of cabinet Problem, electric leakage and the risk of equipment burnout are reduced, also reduce the maintenance cost of equipment.

Brief description of the drawings

, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described.It should be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.

Fig. 1 is a kind of schematic block diagram for damp-proof device that the utility model embodiment provides.

Fig. 2 is a kind of structural representation for switch board that the utility model embodiment provides.

Fig. 3 is the device arrangements schematic diagram for the switch board that the utility model embodiment provides.

Fig. 4 is the partial circuit knot of a kind of damp-proof device and constant-pressure water-supplying control device that the utility model embodiment provides Structure schematic diagram.

Fig. 5 is another part circuit knot of the damp-proof device that the utility model embodiment provides and constant-pressure water-supplying control device Structure schematic diagram.

Fig. 6 is another part circuit knot of the damp-proof device that the utility model embodiment provides and constant-pressure water-supplying control device Structure schematic diagram.

Fig. 7 is another structural representation for the switch board that the utility model embodiment provides.

Fig. 8 is the matching relationship schematic diagram of a kind of lifting motor and transmission device that the utility model embodiment provides.

Fig. 9 is lifting motor shown in Fig. 8 and the matching relationship schematic diagram at another visual angle of transmission device.

Figure 10 is the schematic block diagram for the switch board that the utility model embodiment provides.

Icon：10- switch boards；100- damp-proof devices；110- temperature sensors；The radiating circuits of 120- first；121- first Radiator fan；The auxiliary reclays of KA1- first；The humidity sensors of 130- first；140- drying units；The 4th middle relays of KA4- Device；U1- controllers；The humidity sensors of 150- second；160- lowering or hoisting gears；161- lifts circuit；M1- lifting motors；KM1- One contactor；The auxiliary reclays of KA2- second；KM2- second contactors；The electrothermal relays of Q1- first；The 3rd middle relays of KA3- Device；162- lifts performs device；1621- transmission devices；16211- drives turbine；16212- is driven turbine；16213- is driven snail Bar；16214- shaft couplings；16215- lifting assemblies；162151- ball screws；162152- ball splines；16216- guide rails； 1622- blocks panel；163- elevating control circuits；1631- the first elevating control circuits；1632- the second elevating control circuits； 164- stopping means；SB1- upper limit position switch；SB2- lower position switch；170- emergent control buttons；The control buttons of SB3- first； The control buttons of SB4- second；200- cabinets；210- cabinet doors；220- guidance panels；230- bottom plates；300- constant pressure water supplies control dress Put；310- pressure sensors；320- frequency changer circuits；The frequency converters of U3- first；The frequency converters of U4- second；The pump motors of M2- first； The pump motors of M3- second；The pump motors of M4- the 3rd；The contactors of KM3- the 3rd；The contactors of KM4- the 4th；The air of QF2- second is opened Close；The contactors of KM5- the 5th；The contactors of KM6- the 6th；The contactors of KM7- the 7th；The air switches of QF3- the 3rd；KM8- the 8th is contacted Device；The contactors of KM9- the 9th；330- frequency conversion control circuits；The frequency conversion control circuits of 331- first；The auxiliary reclays of KA5- the 5th； The frequency conversion control circuits of 332- second；The auxiliary reclays of KA6- the 6th；The frequency conversion control circuits of 333- the 3rd；The 7th middle relays of KA7- Device；The frequency conversion control circuits of 334- the 4th；The auxiliary reclays of KA8- the 8th；The frequency conversion control circuits of 335- the 5th；Among KA9- the 9th Relay；The frequency conversion control circuits of 336- the 6th；The auxiliary reclays of KA10- the tenth；The frequency conversion control circuits of 337- the 7th；KA11- 11 auxiliary reclays；The electrothermal relays of Q2- second；The electrothermal relays of Q3- the 3rd；The electrothermal relays of Q4- the 4th；340- second radiates electricity Road；The radiator fans of 341- second；342- selection circuits；350- liquid level sensors；The liquid level sensors of 351- first；The liquid of 352- second Level sensor；360- working method switching circuits；SB5- first switches；SB6- second switches；SB7- the 3rd is switched；SB8- the 4th Switch；The air switches of QF1- first；U2- phase sequence relay；400- electric instruments；500- touch display screens；600- first states Indicator lamp；The status indicator lamps of 700- second；800- third state indicator lamps.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe.Obviously, described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be with a variety of configurations To arrange and design.Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit below The claimed the scope of the utility model of system, but it is merely representative of selected embodiment of the present utility model.It is new based on this practicality The embodiment of type, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.

Referring to Fig. 1, the utility model embodiment provides a kind of damp-proof device 100, for the cabinet shown in Fig. 2 Drying radiating is carried out inside 200, the damp-proof device 100 includes temperature sensor 110, the first radiating circuit 120, the first humidity Sensor 130, drying unit 140 and controller U1.The temperature sensor 110, the first radiating circuit 120, the first humidity pass Sensor 130 and drying unit 140 are connected with the controller U1 respectively, the temperature sensor 110, the first humidity sensor 130 and drying unit 140 be arranged at the inside of the cabinet 200, first radiating circuit 120 is arranged at the cabinet 200.

It should be noted that the controller U1 can be a kind of IC chip with signal handling capacity.Institute It can also be at general processor, including central processing unit (Central Processing nit, CP), network to state controller U1 Manage device (Network Processor, NP) etc..The controller U1 can also be digital signal processor (DSP), special integrated Circuit (ASIC), programmable logic controller (PLC) (Programmable Logic Controller, PLC), field-programmable gate array Arrange (FPGA) either other PLDs, discrete gate or transistor logic, discrete hardware components.The control Device U1 can realize or perform the disclosed structured flowchart in the utility model embodiment.Alternatively, it is described in the present embodiment Controller U1 is PLC.

Please refer to Fig. 2, in the present embodiment, roof and bottom can be included using the cabinet 200 of the damp-proof device 100 Wall, and enclose successively between the roof and bottom wall to form the first side wall of rectangle receiving space, second sidewall, the 3rd Side wall and the 4th side wall.Wherein, the first side wall is the front side wall of the cabinet 200, and the second sidewall is the cabinet 200 left side wall, the 3rd side wall are the rear wall of the cabinet 200, and the 4th side wall is the right side of the cabinet 200 Wall.The cabinet door 210 is arranged at the first side wall, and the cabinet door 210 is set with the opening position that the first side wall is connected Waterproof groove is equipped with, waterproof grommet is embedded with the waterproof groove.Referring to Fig. 3, in addition, in the present embodiment, the cabinet 200 also include bottom plate 230, and the bottom plate 230 is removable installed in the inner side of the bottom wall.Incorporated by reference to Fig. 3, alternatively, sheet In embodiment, the temperature sensor 110, the first humidity sensor 130 and controller U1 are arranged at the bottom plate 230.

Fig. 4 and Fig. 5 are please referred to, alternatively, in the present embodiment, the temperature sensor 110 and the controller U1 Input connection.First radiating circuit 120 includes the first radiation air connected between power supply phase line and the neutral conductor The auxiliary reclay KA1 of fan 121 and first length opens contact, coil and the controller U1 of the first auxiliary reclay KA1 Output end connection.In the present embodiment, the temperature sensor 110 is used to gather the temperature information inside the cabinet 200, and The temperature information is sent to the controller U1, so that the controller U1 is according to temperature information regulation first radiating The operating condition of fan 121.Alternatively, in the present embodiment, the first auxiliary reclay KA1 is arranged at the bottom plate shown in Fig. 3 230, first radiator fan 121 is arranged at the 4th side wall.

It should be noted that alternatively, in the present embodiment, the power supply is three phase mains, including three phase lines, one The root neutral conductor and a protective wire.Three phase lines are L1, L2 and L3, and the neutral conductor is N, protective wire PE.Alternatively, In the present embodiment, the end of incoming cables of three phase lines of the power supply is additionally provided with the first air switch QF1, in the moistureproof dress When putting short circuit, heavy overload and the under-voltage of other circuits generation of 100 or the application power supply, by automatic Separating brake realizes automatic protection, to strengthen the security performance of the circuit of the damp-proof device 100 or the application power supply. Alternatively, in the present embodiment, the first air switch QF1 is also in series with phase sequence relay U2, and the phase sequence relay U2 Normally opened contact be connected with the input of the controller U1.

In the present embodiment, the drying unit 140 is arranged at the bottom position of the inner side of the cabinet door 210, and towards institute State the joint of roof and the 3rd side wall.In the present embodiment, the drying unit 140 can be electrothermal tube.In addition, in order to Increase drying heating surface area, alternatively, in the present embodiment, formed angle is 45 ° between electrothermal tube and the cabinet door 210, with Ensure good drying efficiency.In the present embodiment, the electrothermal tube is connected with the 4th auxiliary reclay KA4 normally opened contact, and It is arranged between phase line and the neutral conductor of the power supply, coil and the controller of the 4th auxiliary reclay KA4 U1 output end connection.Alternatively, in the present embodiment, the 4th auxiliary reclay KA4 is arranged at the bottom plate 230 shown in Fig. 3.

By above-mentioned setting, when the humidity information that the controller U1 gathers according to first humidity sensor 130 is sentenced It is disconnected when showing that the humidity information is more than default cabinet humidity threshold value, control the i.e. described electrothermal tube unlatching pair of the drying unit 140 The inside of switch board 10 carries out drying and processing, but gathered as the controller U1 according to first humidity sensor 130 Humidity information judges to show that the humidity information is more than the default cabinet humidity threshold value, and is gathered according to the temperature sensor 110 Temperature information when judging to show that the temperature information is more than default in-cabinet temperature threshold value, i.e., the described interior humidity of cabinet 200 it is big and When temperature is high, the controller U1 can control the drying unit 140 to close, and control first radiator fan 121 to open Open, realize temperature control and the radiating of the switch board 10, gathered as the controller U1 according to the temperature sensor 110 Temperature information judges to show that the temperature information recovers to less than preset temperature threshold value, but according to first humidity sensor 130 The humidity information of collection judges that showing that the humidity information is still more than presets cabinet humidity threshold value, controls the drying unit 140 It is again turned on carrying out drying and processing to the inside of switch board 10.

In the present embodiment, guidance panel 220, the present embodiment can also be included using the cabinet 200 of the damp-proof device 100 In, the cabinet door 210 can open up action pane, the guidance panel 220 be arranged at the inner side of cabinet door 210 and with the behaviour It is corresponding to make the window's position.In order to strengthen the waterproof and dampproof performance of the cabinet 200, alternatively, in the present embodiment, the cabinet door The edge of 210 action panes opened up is arranged with waterproof grommet.

Alternatively, in the present embodiment, the damp-proof device 100 also includes being used to gather the outer moisture of cabinet 200 letter Second humidity sensor 150 of breath and the lowering or hoisting gear 160 for blocking or exposing the guidance panel 220, described second Humidity sensor 150 and lowering or hoisting gear 160 are connected with the controller U1 respectively, second humidity sensor 150 and lifting Device 160 is arranged at the cabinet 200.Alternatively, in the present embodiment, the second humidity sensor 150 of the damp-proof device 100 The outside of cabinet door 210 is arranged at, the lowering or hoisting gear 160 is arranged at the inner side of cabinet door 210.

Please refer to Fig. 6, in the present embodiment, the lowering or hoisting gear 160 includes lifting circuit 161 and lifting performs device 162, the lifting circuit 161 is connected with the controller U1 and the lifting performs device 162 respectively.The lifting performs dress Put 162 inner sides for being arranged at the cabinet door 210.

Fig. 4 and Fig. 5 are please referred to, the lifting circuit 161 leads to respectively including lifting motor M1, the lifting motor M1 Cross first contactor KM1 and second contactor KM2 is connected with power supply, the coil of the first contactor KM1 and second connects Tentaculum KM2 coil is connected with the controller U1 respectively.Specifically, in the present embodiment, the lifting motor M1 passes through respectively Three phase lines of first contactor KM1 and second contactor KM2 and power supply connect, the coil of the first contactor KM1 It is connected with output end of the second contactor KM2 coil respectively with the controller U1.When first contactor KM1 coil leads to Electricity, during the first contactor KM1 adhesives, the lifting motor M1 operations, and rotating forward state is in, as second contactor KM2 Coil electricity, during the second contactor KM2 adhesives, lifting motor M1 operations, and be in inverted status.

In order to strengthen the security performance of the switch board 10, alternatively, in the present embodiment, the lifting motor M1 with it is described First contactor KM1 is connected with second contactor KM2 by the first electrothermal relay Q1.Alternatively, in the present embodiment, described first Contactor KM1, second contactor KM2 and the first electrothermal relay Q1 are arranged at the bottom plate 230 shown in Fig. 3.

In the present embodiment, the lowering or hoisting gear 160 can also include elevating control circuit 163.The elevating control circuit 163 include the first elevating control circuit 1631 and the second elevating control circuit in parallel between power supply phase line and the neutral conductor 1632.Alternatively, in the present embodiment, the power supply phase line is controlled with the first elevating control circuit 1631 and second lifting Circuit 1632 processed is connected by the first electrothermal relay Q1 normally opened contact.The first elevating control circuit 1631 includes series connection The normally opened contact of first contactor KM1 coil and the second auxiliary reclay KA2, the coil of the second auxiliary reclay KA2 It is connected with the controller U1.The second elevating control circuit 1632 includes the second contactor KM2 of series connection coil and the Three auxiliary reclay KA3 normally opened contact, the coil of the 3rd auxiliary reclay KA3 are connected with the controller U1.Thus, The coil of the first contactor KM1 is indirectly connected with by the coil of the second auxiliary reclay KA2 with the controller U1, The coil of the second contactor KM2 is indirectly connected with by the coil of the 3rd auxiliary reclay KA3 with the controller U1.

Alternatively, in the present embodiment, the first elevating control circuit 1631 is also in series with the normally closed of second contactor KM2 Contact, the second elevating control circuit 1632 are also in series with first contactor KM1 normally-closed contact.It is arranged such, is realizing On the basis of the lifting motor M1 rotates forward state and inverted status control, also achieve the lifting motor M1 rotate forward state with The interlocking of inverted status.

Fig. 7, Fig. 8 and Fig. 9 are please referred to, alternatively, in the present embodiment, the lifting performs device 162 includes transmission Device 1621 and panel 1622 is blocked for block or expose the guidance panel 220, the transmission device 1621 is distinguished It is connected with the lifting motor M1 and the panel 1622 that blocks.Observed for the ease of user, alternatively, the present embodiment In, the panel 1622 that blocks is perspex panels.

Alternatively, in the present embodiment, the transmission device 1621 includes driving turbine 16211, transmission turbine 16212, passed Dynamic worm screw 16213, shaft coupling 16214 and lifting assembly 16215.

The output axis connection of driving turbine 16211 and the lifting motor M1, the transmission turbine 16212 with it is described Driving turbine 16211 is engaged, and the geared worm 16213 is engaged with the transmission turbine 16212, and the shaft coupling 16214 is set It is placed in one end of the geared worm 16213.Alternatively, in the present embodiment, the lifting assembly 16215 includes what is cooperated Ball screw 162151 and ball spline 162152, one end of the ball screw 162151 are rotatably arranged at the cabinet door 210 inner side, the other end are fixedly connected with geared worm 16213 by the shaft coupling 16214.Optionally, in the present embodiment, Short transverse of the ball screw 162151 along the cabinet door 210 is set, and the ball spline 162152 is sheathed on ball wire Bar 162151 and the back side for being fixedly connected on the guidance panel 220.

In the present embodiment, the transmission device 1621 can also include guide rail 16216, and the guide rail 16216 is arranged at institute State the inner side of cabinet door 210.The setting quantity of the guide rail 16216 is two, and parallel set along the short transverse of the cabinet door 210 Put.The guidance panel 220 is arranged between two guide rails 16216, positioned at the cabinet door 210 and the ball screw Between 162151, and can in the presence of the ball spline 162152 between two guide rails 16216 along the cabinet The short transverse of door 210 is slided.

It is described in the presence of the shaft coupling 16214 when the geared worm 16213 rotates by above-mentioned setting The rotary motion of ball screw 162151, drive and be sheathed on the ball spline 162152 of the ball screw 162151 along ball screw 162151 axial direction motion, panel 1622 is blocked described in two while the ball spline 162152 moves described in drive Slided between guide rail 16216 along the short transverse of the cabinet door 210, to block or expose the guidance panel 220.

In order to realize it is described block the upper and lower spacing of panel 1622, alternatively, in the present embodiment, the lifting performs device 162 also include stopping means 164.In the present embodiment, the stopping means 164 includes being arranged at the guide rail 16216 close to institute State the upper limit position switch SB1 at the top of cabinet door 210 and be arranged at lower limit of the guide rail 16216 close to the bottom of cabinet door 210 Switch SB2.The upper limit position switch SB1 is connected with an input of the controller U1, the lower position switch SB2 with it is described Controller U1 another input connection.

By above-mentioned setting, second humidity sensor 150 gathers the outer moisture information of cabinet 200, and by the humidity Information is sent to controller U1, when the controller U1 judges to show that the humidity information is more than humidity threshold outside default cabinet, control Make the lifting motor M1 rotate forward so that the transmission device 1621 drive it is described block panel 1622 and move up, it is described touching It is automatically stopped during upper limit position switch SB1, so as to block the guidance panel 220, when the controller U1 judges to draw the humidity When information is less than humidity threshold outside default cabinet, the controller U1 can control the lifting motor M1 reversions so that the biography again Dynamic device 1621 drive it is described block panel 1622 and move down, be automatically stopped when touching the lower position switch SB2, so as to sudden and violent Expose the guidance panel 220, said switch board 10 is the purpose that can reach protection against the tide.

In the present embodiment, the damp-proof device 100 can also include emergent control button 170, described in controlling manually The lifting of lowering or hoisting gear 160, specially block panel 1622 described in control and lift to block or expose the guidance panel 220.In the present embodiment, the emergent control button 170 includes the first control button SB3 and the second control button SB4.Described One control button SB3 is arranged at the cabinet door 210 and is connected with the input of the controller U1, second control button SB4 is arranged at the cabinet door 210 and is connected with another input of the controller U1.

Alternatively, in the present embodiment, the guidance panel 220 is arranged at the groove bottom wall of a rectangular recess.Now, in order to anti- Only the condensation water smoke of panel 1622 that blocks causes to obscure, and alternatively, in the present embodiment, the rectangular recess side is provided with out Mouthful, the drying unit 140 is opened caused hot gas and entered by the opening inside the rectangular recess, effectively prevents in advance The surface of panel 1622 of blocking causes fuzzy phenomenon due to condensing water smoke.

Referring to Fig. 10, the utility model embodiment provides a kind of switch board 10, the switch board 10 supplies including constant pressure Water controller 300 and above-mentioned damp-proof device 100 and cabinet 200.

The constant-pressure water-supplying control device 300 includes pressure sensor 310 and frequency changer circuit 320, the pressure sensor 310 and frequency changer circuit 320 be connected respectively with the controller U1.In the present embodiment, the pressure sensor 310 and the control Device U1 input connection, the frequency changer circuit 320 are connected with the output end of the controller U1.The pressure sensor 310 The inside of the main water outlet pipe of constant-pressure water-supplying control device 300 is arranged at, the frequency changer circuit 320 is arranged at shown in described Fig. 2 Cabinet 200.

In the present embodiment, the pressure sensor 310 is used to gather the main water outlet pipe of constant-pressure water-supplying control device 300 Water outlet hydraulic pressure information, and the water outlet hydraulic pressure information is sent to the controller U1, the controller U1 are used to receiving described Water outlet hydraulic pressure information, the running status of frequency converter in the frequency changer circuit 320 is adjusted according to the water outlet hydraulic pressure information. It is understood that in the present embodiment, the controller U1 adjusts to the running status of frequency converter in the frequency changer circuit 320 Section, including the switching regulation of state and halted state is operated to frequency converter in the frequency changer circuit 320, and when the change When frequency device is in running order, the output frequency of the frequency converter is adjusted.

Please refer to Fig. 5 and Fig. 6, in the present embodiment, the frequency changer circuit 320 of the constant-pressure water-supplying control device 300 can With including the first frequency converter U3, the second frequency converter U4, the first pump motor M2, the second pump motor M3 and the 3rd pump motor M4。

Wherein, the first pump motor M2 is connected by the 3rd contactor KM3 with power supply, and passes through series connection 4th contactor KM4 and the first frequency converter U3 are connected with power supply.In the present embodiment, the first pump motor M2 passes through Three phase lines of three contactor KM3 and power supply connect, and the 4th contactor KM4 and the first frequency converter U3 for passing through series connection It is connected with three phase lines of power supply.It is arranged such, when the 3rd contactor KM3 adhesives, the 4th contactor KM4 breaks When opening, the first pump motor M2 is run under power frequency state, and when the 3rd contactor KM3 disconnects, the described 4th contacts During device KM4 adhesives, the first pump motor M2 is run under frequency conversion state.Alternatively, in the present embodiment, first frequency conversion Three phase lines of device U3 and power supply are by the second air switch QF2 connections, to further enhance the peace of the switch board 10 Full performance.

The second pump motor M3 is connected by the 5th contactor KM5 with power supply, passes through the 6th contact of series connection Device KM6 and the first frequency converter U3 are connected with power supply, and by the 7th contactor KM7 and the second frequency converter U4 of series connection with Power supply connects.Equally, in the present embodiment, the second pump motor M3 passes through the 5th contactor KM5 and power supply Three phase line connections, are connected by the 6th contactor KM6 and the first frequency converter U3 of series connection and three phase lines of power supply, with And connected by the 7th contactor KM7 and the second frequency converter U4 of series connection and three phase lines of power supply.It is arranged such, works as institute State the 5th contactor KM5 adhesives, during the disconnection of the 6th contactor KM6 and the 7th contactor KM7, second pump motor M3 is run under power frequency state, and when the 5th contactor KM5 disconnects, the 6th contactor KM6 or the 7th contactor KM7 inhale During conjunction, the second pump motor M3 is run under frequency conversion state.Alternatively, in the present embodiment, the second frequency converter U4 with Three phase lines of power supply are by the 3rd air switch QF3 connections, further to strengthen the security of the switch board 10 Energy.

The 3rd pump motor M4 is connected by the 8th contactor KM8 with power supply, and pass through series connection the 9th Contactor KM9 and the second frequency converter U4 are connected with power supply.Equally, in the present embodiment, the 3rd pump motor M4 passes through Three phase lines of the 8th contactor KM8 and power supply connect, and pass through the 9th contactor KM9 of series connection and the second frequency converter Three phase lines of U4 and power supply connect.It is arranged such, as the 8th contactor KM8 adhesives, the 9th contactor KM9 During disconnection, the 3rd pump motor M4 is run under power frequency state, and when the 8th contactor KM8 disconnects, the described 9th connects During tentaculum KM9 adhesives, the first pump motor M2 is run under frequency conversion state.

The first frequency converter U3 and the second frequency converter U4 are connected with the controller U1 respectively, so that the controller U1 Operation of the water outlet hydraulic pressure information gathered according to the pressure sensor 310 to the first frequency converter U3 and the second frequency converter U4 State is adjusted.In the present embodiment, the analog input end of the first frequency converter U3 and the analog quantity of the controller U1 Output end is connected, and the analog output end of the first frequency converter U3 is connected with the analog input end of the controller U1.Together Sample, in the present embodiment, the analog input end of the second frequency converter U4 and another analog output end of the controller U1 Connection, the analog output end of the second frequency converter U4 is connected with another analog input end of the controller U1.This reality Apply in example, the run signal contact of the first frequency converter U3 is connected with the input of the controller U1, first frequency conversion Device U3 fault-signal contact is connected with another input of the controller U1.Equally, in the present embodiment, second frequency conversion Device U4 run signal contact is connected with the input of the controller U1, the fault-signal contact of the second frequency converter U4 with Another input connection of the controller U1.In addition, in the present embodiment, the On-off signal end point of the first frequency converter U3 It is not connected with power supply by the 4th contactor KM4 normally opened contact and the 6th contactor KM6 normally opened contact, is connect when the described 4th When tentaculum KM4 normally opened contact closure or the normally opened contact of the 6th contactor KM6 close, the first frequency converter U3 fortune OK.The On-off signal end of the second frequency converter U4 passes through the 7th contactor KM7 normally opened contact and the 9th contactor respectively KM9 normally opened contact is connected with power supply, as the normally opened contact closure of the 7th contactor KM7 or the 9th contactor KM9 Normally opened contact closure when, the first frequency converter U3 operation.Alternatively, in the present embodiment, the power supply can be 24V electricity Source.It should be noted that in the present embodiment, the power supply can be the electricity that the power supply provides through isolating transformer transformation Energy.

In the present embodiment, coil, the 4th contactor KM4 coil, the 5th contactor KM5 of the 3rd contactor KM3 Coil, the 6th contactor KM6 coil, the 7th contactor KM7 coil, the 8th contactor KM8 coil and the 9th contact Output end of the device KM9 coil respectively with the controller U1 is connected, so that the controller U1 is according to the pressure sensor The water outlet hydraulic pressure information of 310 collections is to the coil of the 3rd contactor KM3, the 4th contactor KM4 coil, the 5th contactor KM5 coil, the 6th contactor KM6 coil, the 7th contactor KM7 coil, the 8th contactor KM8 coil and the 9th connect The energization of tentaculum KM9 coil and off-position switch over, so to the 3rd contactor KM3, the 4th contactor KM4, 5th contactor KM5, the 6th contactor KM6, the 7th contactor KM7, the 8th contactor KM8 and the 9th contactor KM9 adhesive State and off-state are switched over, and finally the first frequency converter U3 and the second frequency converter U4 running status are adjusted Section.Alternatively, in the present embodiment, the first frequency converter U3, the second frequency converter U4, the 3rd contactor KM3, the 4th contactor KM4, the second air switch QF2, the 5th contactor KM5, the 6th contactor KM6, the 7th contactor KM7, the 3rd air switch QF3, the 8th contactor KM8 and the 9th contactor KM9 are arranged at the bottom plate 230 shown in Fig. 3.

By above-mentioned setting, realized by the first frequency converter U3 and the second frequency converter U4 to first pump motor M2, the second pump motor M3 and the 3rd pump motor M4 running status are adjusted to ensure the water outlet hydraulic pressure of main water outlet pipe perseverance While determining, the serious forgiveness of the constant pressure water supply system of switch board 10 shown in application is also improved.

Fig. 4 is please referred to, alternatively, in the present embodiment, the constant-pressure water-supplying control device 300 also includes VFC Circuit 330.The frequency conversion control circuit 330 includes the first frequency conversion control circuit 331, the second frequency conversion control circuit the 332, the 3rd becomes Frequency control circuit 333, the 4th frequency conversion control circuit 334, the 5th frequency conversion control circuit 335, the 6th frequency conversion control circuit 336 and Seven frequency conversion control circuits 337.

First frequency conversion control circuit 331 includes the 3rd contactor connected between the phase line of power supply and the neutral conductor The normally opened contact of KM3 coil and the 5th auxiliary reclay KA5, coil and the control of the 5th auxiliary reclay KA5 Device U1 connections.The 4th to be connected between the phase line and the neutral conductor of second frequency conversion control circuit 332 including power supply contacts The normally opened contact of device KM4 coil and the 6th auxiliary reclay KA6, coil and the control of the 6th auxiliary reclay KA6 Device U1 connections processed.The 5th to be connected between the phase line and the neutral conductor of 3rd frequency conversion control circuit 333 including power supply connects The normally opened contact of tentaculum KM5 coil and the 7th auxiliary reclay KA7, the coil of the 7th auxiliary reclay KA7 with it is described Controller U1 connections.4th frequency conversion control circuit 334 includes the 6th to be connected between the phase line of power supply and the neutral conductor The normally opened contact of contactor KM6 coil and the 8th auxiliary reclay KA8, the coil of the 8th auxiliary reclay KA8 and institute State controller U1 connections.The to be connected between the phase line and the neutral conductor of 5th frequency conversion control circuit 335 including power supply Seven contactor KM7 coil and the 9th auxiliary reclay KA9 normally opened contact, the coil of the 9th auxiliary reclay KA9 with The controller U1 connections.6th frequency conversion control circuit 336 includes what is connected between the phase line of power supply and the neutral conductor 8th contactor KM8 coil and the tenth auxiliary reclay KA10 normally opened contact, the line of the tenth auxiliary reclay KA10 Circle is connected with the controller U1.7th frequency conversion control circuit 337 includes going here and there between the phase line of power supply and the neutral conductor The 9th contactor KM9 coil and the 11st auxiliary reclay KA11 normally opened contact of connection, the 11st auxiliary reclay KA11 coil is connected with the controller U1.

By above-mentioned setting, the coil of the 3rd contactor KM3 by the coil of the 5th auxiliary reclay KA5 with The controller U1 is indirectly connected with, the coil of the 4th contactor KM4 by the coil of the 6th auxiliary reclay KA6 with The controller U1 is indirectly connected with, the coil of the 5th contactor KM5 by the coil of the 7th auxiliary reclay KA7 with The controller U1 is indirectly connected with, the coil of the 6th contactor KM6 by the coil of the 8th auxiliary reclay KA8 with The controller U1 is indirectly connected with, the coil of the 7th contactor KM7 by the coil of the 9th auxiliary reclay KA9 with The controller U1 is indirectly connected with, the coil that the coil of the 8th contactor KM8 passes through the tenth auxiliary reclay KA10 It is indirectly connected with the controller U1, the coil of the 9th contactor KM9 passes through the 11st auxiliary reclay KA11's Coil is indirectly connected with the controller U1.Alternatively, in the present embodiment, the 5th auxiliary reclay KA5, among the 6th after Electrical equipment KA6, the 7th auxiliary reclay KA7, the 8th auxiliary reclay KA8, the 9th auxiliary reclay KA9, the tenth auxiliary reclay KA10 and the 11st auxiliary reclay KA11 is arranged at the bottom plate 230 shown in Fig. 3.

In order to realize the interlocking of the first pump motor M2 power frequencies state and frequency conversion state, the second pump motor M3 The interlocking of power frequency state and frequency conversion state, and the interlocking of the 3rd pump motor M4 power frequencies state and frequency conversion state, it is optional Ground, in the present embodiment, first frequency conversion control circuit 331 is also in series with the 4th contactor KM4 normally-closed contact, and described second Frequency conversion control circuit 332 is also in series with the 3rd contactor KM3 of series connection normally-closed contact and the normally closed of the 6th contactor KM6 is touched Point, the 3rd frequency conversion control circuit 333 are also in series with the 6th contactor KM6 of series connection normally-closed contact and the 7th contactor KM7 normally-closed contact, the 4th frequency conversion control circuit 334 are also in series with the 4th contactor KM4 of series connection normally-closed contact, Five contactor KM5 normally-closed contact and the 7th contactor KM7 normally-closed contact, the 5th frequency conversion control circuit 335 are also connected Have that the 5th contactor KM5 normally-closed contact of series connection, the 6th contactor KM6 normally-closed contact and the 9th contactor KM9's is normally closed Contact, the 6th frequency conversion control circuit 336 are also in series with the 9th contactor KM9 normally-closed contact, the 7th VFC Circuit 337 is also in series with the 7th contactor KM7 normally-closed contact and the 8th contactor KM8 normally-closed contact of series connection.

In order to realize the overtemperature protection of the constant-pressure water-supplying control device 300, to strengthen the security of the switch board 10 Can, alternatively, in the present embodiment, three phase lines of the 3rd contactor KM3 and the power supply pass through the second hot relay Device Q2 connections, the 5th contactor KM5 is connected with three phase lines of the power supply by the 3rd electrothermal relay Q3, described Three phase lines of power supply described in the 8th contactor KM8 pass through the 4th electrothermal relay Q4 connections.The first VFC electricity Road 331 is also in series with the normally opened contact of the second electrothermal relay Q2, and the 3rd frequency conversion control circuit 333 is also in series with described 3rd electrothermal relay Q3 normally opened contact, the 6th frequency conversion control circuit 336 are also in series with the 4th electrothermal relay Q4's Normally opened contact.Normally-closed contact, the 3rd electrothermal relay the Q3 normally-closed contact and the 4th electrothermal relay of the second electrothermal relay Q2 Q4 normally-closed contact is connected with the controller U1 respectively.Specifically, the normally-closed contact of the second electrothermal relay Q2, the 3rd heat Input of relay Q3 normally-closed contact and the 4th electrothermal relay the Q4 normally-closed contact respectively with the controller U1 is connected.Can Selection of land, in the present embodiment, the second electrothermal relay Q2, the 3rd electrothermal relay Q3 and the 4th electrothermal relay Q4 are arranged at Fig. 3 institutes The bottom plate 230 shown.

In the present embodiment, the constant-pressure water-supplying control device 300 can also include the second radiating circuit 340, and described second Radiating circuit 340 includes the second radiator fan 341 and selection circuit 342 connected between power supply phase line and the neutral conductor.Can Selection of land, in the present embodiment, second radiator fan 341 is arranged at the second sidewall of cabinet 200.The selection circuit 342 The normally opened contact of the 6th auxiliary reclay KA6 normally opened contact, the 8th auxiliary reclay KA8 including parallel connection, among the 9th after The normally opened contact of electrical equipment KA9 normally opened contact and the 11st auxiliary reclay KA11.It is arranged such, as the first frequency converter U3 With at least one in the second frequency converter U4 it is in running order when, second radiator fan 341 can be powered operating, Radiated for the switch board 10.

In the present embodiment, the liquid level that the constant-pressure water-supplying control device 300 can also include being arranged in water storage device passes Sensor 350.Alternatively, in the present embodiment, the level sensor is provided with two, including the first liquid level sensor 351 and Two liquid level sensors 352, first liquid level sensor 351 and second liquid level sensor 352 respectively with the controller U1 input connection connection.Alternatively, in the present embodiment, first liquid level sensor 351 is float switch, for detecting Lowest water level in the water storage device, and send to the controller U1, when detection draws the lowest water level less than default During threshold value, the controller U1 controls the first pump motor M2, the second pump motor M3 and the 3rd pump motor M4 from fortune Row state switches to halted state.Second liquid level sensor 352 is ultrasonic liquid level sensor 350.

Alternatively, in the present embodiment, the constant-pressure water-supplying control device 300 is additionally provided with working method switching circuit 360, Switched over the working method to the constant-pressure water-supplying control device 300, for example, by the constant-pressure water-supplying control device 300 Manual work mode is switched to from automatic working method, or automatic working method is switched to from manual work mode.The present embodiment In, the working method switching circuit 360 includes first switch SB5, second switch SB6, the 3rd switch SB7 and the 4th switch SB8.The first switch SB5 is provided with first choice path and the second selection path, the first choice of the first switch SB5 The input of path is connected with power supply, and output end is connected with controller U1 input to realize the constant-pressure water-supplying control device 300 automatic work, the input of the second selection path of the first switch SB5 are connected with power supply, and output end passes through second The other three input of switch SB6, the 3rd switch SB7 and the 4th switch SB8 respectively with the controller U1 connects one to one To realize the manual work of the constant-pressure water-supplying control device 300.Alternatively, in the present embodiment, the first switch SB5, Two switch SB6, the 3rd switch SB7 and the 4th switch SB8 are two grades of rotary switches.In addition, the first switch SB5, second opening Pass SB6, the 3rd switch SB7 and the 4th switch SB8 are arranged at the guidance panel 220 shown in described Fig. 2, with user-friendly.

Referring to Fig. 2, in the present embodiment, the switch board 10 can also include touch display screen 500, first state Indicator lamp 600, the second status indicator lamp 700 and third state indicator lamp 800.The communication terminal of the touch display screen 500 and institute Controller U1 communication terminal connection is stated, and is arranged at the guidance panel 220.In the present embodiment, user is shown by described touch Display screen 500 changes the running situation of controller U1 relevant parameters and the switch board 10.The first state indicator lamp 600 connects It is connected between phase line and the neutral conductor of the power supply, and is arranged at the guidance panel 220, for the switch board 10 Startup optimization indicates.The output end of second status indicator lamp 700 and third state indicator lamp 800 and the controller U1 connects Connect, and be arranged at the guidance panel 220, the malfunction for the switch board 10 indicates.

In summary, the damp-proof device 100 and switch board 10 that the utility model embodiment provides, by being set in cabinet 200 Put including temperature sensor 110, the first radiating circuit 120, the first humidity sensor 130, drying unit 140 and controller U1 Damp-proof device 100, the moistureproof problem of cabinet 200 is efficiently solved, reduce electric leakage and the risk of equipment burnout, also reduce The maintenance cost of equipment.

Further, the switch board 10 that the utility model embodiment provides is provided with the first frequency converter U3 and second and become simultaneously Frequency device U4, realizes the flexible control of constant pressure water supply, and cause switch board 10 shown in application constant pressure water supply system have compared with High serious forgiveness.

In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " connection ", " installation " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection, can be between mechanical connection or electrical connection, and two or more circuit elements or electric network Coupling, can be joined directly together, can also be indirectly connected by intermediary, can also be the connection of two element internals.It is right For one of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing with concrete condition Justice.

, it is necessary to explanation, the orientation of the instruction such as term " interior ", " outer ", " on ", " under " in description of the present utility model Or position relationship be based on orientation shown in the drawings or position relationship, or the utility model product using when usually put Orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified dress Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint phase To importance.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

1. a kind of damp-proof device, for carrying out drying radiating to cabinet inside, it is characterised in that the damp-proof device includes temperature Sensor, the first radiating circuit, the first humidity sensor, drying unit and controller, the temperature sensor, the first radiating electricity Road, the first humidity sensor and drying unit are connected with the controller respectively, the temperature sensor, the first humidity sensor The inside of the cabinet is arranged at drying unit, first radiating circuit is arranged at the cabinet.

2. damp-proof device according to claim 1, it is characterised in that first radiating circuit first including series connection is scattered The length of Hot-air fan and the first auxiliary reclay opens contact, and the coil of first auxiliary reclay is connected with the controller, institute State the side wall that the first radiator fan is arranged at the cabinet.

3. damp-proof device according to claim 2, it is characterised in that the cabinet also includes bottom plate, and the bottom plate is removable It is arranged at the inner side of the cabinet bottom wall with unloading；

First humidity sensor, temperature sensor, controller and the first auxiliary reclay are arranged at the bottom plate.

4. damp-proof device according to claim 1, it is characterised in that the cabinet includes roof and bottom wall, and successively Enclose and be located between the roof and bottom wall to form the first side wall of rectangle receiving space, second sidewall, the 3rd side wall and the 4th Side wall, the cabinet also include cabinet door, and the cabinet door is arranged at the first side wall；

The drying unit is arranged at the bottom position of the inner side of the cabinet door, and towards the roof and the 3rd side wall Joint.

5. damp-proof device according to claim 4, it is characterised in that the drying unit is electrothermal tube, the electrothermal tube Be arranged on the inside of the cabinet door, and with cabinet door angle at 45 °.

6. damp-proof device according to claim 4, it is characterised in that the cabinet also includes guidance panel, the cabinet door Offer action pane, the guidance panel be arranged on the inside of the cabinet door and with the action pane position correspondence；

The damp-proof device also includes being used to gather the second humidity sensor of the cabinet outer moisture information and for blocking Or the guidance panel lowering or hoisting gear is exposed, second humidity sensor and lowering or hoisting gear connect with the controller respectively Connect, second humidity sensor and lowering or hoisting gear are arranged at the cabinet.

7. damp-proof device according to claim 6, it is characterised in that the lowering or hoisting gear includes lifting circuit and lifting is held Luggage is put, and the lifting circuit is connected with the controller and the lifting performs device respectively；

The lifting circuit includes lifting motor, and the lifting motor passes through first contactor and second contactor and power supply respectively Power supply is connected, and the coil of the first contactor and the coil of second contactor are connected with the controller respectively；

The lifting performs device includes transmission device and the panel that blocks for blocking or exposing the guidance panel, described Transmission device is connected with the lifting motor and the panel that blocks respectively.

8. damp-proof device according to claim 7, it is characterised in that the lowering or hoisting gear also include power supply phase line with First elevating control circuit and the second elevating control circuit in parallel between the neutral conductor；

The first elevating control circuit includes the coil of first contactor and the normally opened contact of the second auxiliary reclay of series connection, The coil of second auxiliary reclay is connected with the controller；

The second lifting circuit includes the coil of second contactor and the normally opened contact of the 3rd auxiliary reclay of series connection, described The coil of 3rd auxiliary reclay is connected with the controller.

9. damp-proof device according to claim 8, it is characterised in that the first elevating control circuit is also in series with second The normally-closed contact of contactor, the second lifting circuit are also in series with the normally-closed contact of first contactor.

10. a kind of switch board, it is characterised in that including the damp-proof device described in cabinet and claim 1~9 any one, institute State damp-proof device and be arranged at the cabinet.