CN206929067U - Switch board and constant pressure water supply system - Google Patents

Switch board and constant pressure water supply system Download PDF

Info

Publication number
CN206929067U
CN206929067U CN201720927638.9U CN201720927638U CN206929067U CN 206929067 U CN206929067 U CN 206929067U CN 201720927638 U CN201720927638 U CN 201720927638U CN 206929067 U CN206929067 U CN 206929067U
Authority
CN
China
Prior art keywords
contactor
coil
controller
normally
control circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720927638.9U
Other languages
Chinese (zh)
Inventor
郑谊峰
陈明霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guilin University of Technology
Original Assignee
Guilin University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guilin University of Technology filed Critical Guilin University of Technology
Priority to CN201720927638.9U priority Critical patent/CN206929067U/en
Application granted granted Critical
Publication of CN206929067U publication Critical patent/CN206929067U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/15Leakage reduction or detection in water storage or distribution

Landscapes

  • Control Of Positive-Displacement Pumps (AREA)

Abstract

Supply equipment technical field is the utility model is related to, in particular to a kind of switch board and constant pressure water supply system.The switch board includes cabinet, constant-pressure water-supplying control device, damp-proof device and controller.The cabinet includes cabinet door and guidance panel, cabinet door offers action pane, guidance panel be arranged on the inside of the cabinet door and with the action pane position correspondence, the constant-pressure water-supplying control device includes pressure sensor and frequency changer circuit, pressure sensor and frequency changer circuit are connected with controller respectively, frequency changer circuit is arranged at cabinet, the damp-proof device includes the first humidity sensor and lowering or hoisting gear, first humidity sensor and lowering or hoisting gear are connected with controller respectively, and the first humidity sensor and lowering or hoisting gear are arranged at cabinet.The switch board efficiently solves the moistureproof problem of cabinet while constant pressure water supply is realized, and reduces electric leakage and the risk of equipment burnout, reduces the maintenance cost of equipment.

Description

Switch board and constant pressure water supply system
Technical field
Supply equipment technical field is the utility model is related to, in particular to a kind of switch board and constant pressure water supply system.
Background technology
With the increase of urban building floor, in the water use peak phase, due to the hydraulic pressure of city planting ductwork is relatively low and fluctuation compared with Greatly, high-rise buildings with water have become thorny problem.At present, constant pressure water supply equipment is quite wide in the application of supply equipment technical field It is general, when constant pressure water supply equipment is intended to the increase of high-level user water consumption or reduced, the hydraulic pressure of water in water pipe can be adjusted, so as to Ensure that service pipe hydraulic pressure is in a constant pressure value.Constant pressure water supply equipment is placed in boiled water room, and boiled water room is generally in negative one layer, negative one Layer humidity is larger, easily condenses the globule in the cabinet of switch board, the risk that short circuit be present, so as to cause electric leakage or electric Equipment is burnt because of short circuit.
At present, on the market the switch board of sold constant pressure water supply equipment generally with programmable logic controller (PLC) (Programmable Logic Controller, PLC) or single-chip microcomputer are controller, by gather discharge pressure and electrically Element signal, and contactor and frequency converter frequency are adjusted according to discharge pressure and electrical equipment signal, complete water The adjustment of rotational speed of pump motor, so as to realize Isobarically Control.Be present the defects of serious forgiveness is low in existing constant pressure water supply equipment, and exist Can not be automatically moistureproof the defects of, electric leakage and the risk of equipment burnout are added, also increase the maintenance cost of equipment.
Utility model content
In view of this, the purpose of the utility model embodiment is, there is provided a kind of switch board and constant pressure water supply system are to solve Certainly above mentioned problem.
The utility model provides a kind of switch board, including cabinet, constant-pressure water-supplying control device, damp-proof device and control Device;
The cabinet includes cabinet door and guidance panel, and the cabinet door offers action pane, and the guidance panel is arranged at Include pressure sensor and frequency conversion on the inside of the cabinet door and with the action pane position correspondence, the constant-pressure water-supplying control device Circuit, the pressure sensor and frequency changer circuit are connected with the controller respectively, and the frequency changer circuit is arranged at the cabinet, The damp-proof device includes the first humidity sensor and lowering or hoisting gear, first humidity sensor and lowering or hoisting gear respectively with institute Controller connection is stated, first humidity sensor and lowering or hoisting gear are arranged at the cabinet;
The pressure sensor is used for the water outlet hydraulic pressure information for gathering the constant-pressure water-supplying control device main water outlet pipe, and will The water outlet hydraulic pressure information is sent to the controller, and the controller is used to receive the water outlet hydraulic pressure information, according to described The running status of frequency converter in the frequency changer circuit is adjusted water outlet hydraulic pressure information, and first humidity sensor is used to adopt Collect the humidity information outside the cabinet, and the humidity information is sent to the controller, the controller and is additionally operable to connect The humidity information is received, controls lowering or hoisting gear lifting to block or expose the guidance panel according to the humidity information.
The utility model embodiment additionally provides a kind of constant pressure water supply system, including water storage device, water supply webmaster and above-mentioned Switch board.The switch board is respectively connected with the water storage device and the water supply webmaster with to being sent out from the water storage device Water carries out hydraulic pressure regulation and delivers to the water supply webmaster.
The switch board and constant pressure water supply system that the utility model embodiment provides, by setting constant pressure water supply simultaneously in cabinet Control device and damp-proof device, relative to prior art, the anti-of cabinet is efficiently solved while constant pressure water supply is realized Damp 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 switch board 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 a kind of electrical block diagram for switch board that the utility model embodiment provides.
Fig. 5 is another electrical block diagram for the switch board that the utility model embodiment provides.
Fig. 6 is another electrical block diagram for the switch board that the utility model embodiment provides.
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.
Icon:10- switch boards;100- cabinets;110- cabinet doors;120- guidance panels;130- bottom plates;200- constant pressure water supply controls Device processed;210- pressure sensors;220- frequency changer circuits;The frequency converters of U2- first;The frequency converters of U3- second;The water pumps of M1- first electricity Machine;The pump motors of M2- second;The pump motors of M3- the 3rd;KM1- first contactors;KM2- second contactors;The air of QF1- first Switch;U4- phase sequence relay;The air switches of QF2- second;The contactors of KM3- the 3rd;The contactors of KM4- the 4th;KM5- the 5th connects Tentaculum;The air switches of QF3- the 3rd;The contactors of KM6- the 6th;The contactors of KM7- the 7th;230- frequency conversion control circuits;231- first Frequency conversion control circuit;The auxiliary reclays of KA1- first;The frequency conversion control circuits of 232- second;The auxiliary reclays of KA2- second;233- 3rd frequency conversion control circuit;The auxiliary reclays of KA3- the 3rd;The frequency conversion control circuits of 234- the 4th;The auxiliary reclays of KA4- the 4th; The frequency conversion control circuits of 235- the 5th;The auxiliary reclays of KA5- the 5th;The frequency conversion control circuits of 236- the 6th;The 6th middle relays of KA6- Device;The frequency conversion control circuits of 237- the 7th;The auxiliary reclays of KA7- the 7th;The electrothermal relays of Q1- first;The electrothermal relays of Q2- second; The electrothermal relays of Q3- the 3rd;The radiating circuits of 240- first;The radiator fans of 241- first;242- selection circuits;250- level sensings Device;The liquid level sensors of 251- first;The liquid level sensors of 252- second;260- working method switching circuits;SB1- first switches; SB2- second switches;SB3- the 3rd is switched;SB4- the 4th is switched;300- damp-proof devices;The humidity sensors of 310- first;320- liters Falling unit;321- lifts circuit;M4- lifting motors;The contactors of KM8- the 8th;The auxiliary reclays of KA8- the 8th;KM9- the 9th connects Tentaculum;The electrothermal relays of Q4- the 4th;The auxiliary reclays of KA9- the 9th;322- lifts performs device;3221- transmission devices;32211- Drive turbine;32212- is driven turbine;32213- geared worms;32214- shaft couplings;32215- lifting assemblies;322151- is rolled Ballscrew;322152- ball splines;32216- guide rails;3222- blocks panel;323- elevating control circuits;First liter of 3231- Control circuit drops;3232- the second elevating control circuits;324- stopping means;SB5- upper limit position switch;SB6- lower position switch; 330- temperature sensors;The radiating circuits of 340- second;The radiator fans of 341- second;The auxiliary reclays of KA10- the tenth;350- is dried Device;The auxiliary reclays of KA11- the 11st;The humidity sensors of 360- second;370- emergent control buttons;The controls of SB7- first are pressed Button;The control buttons of SB8- second;U1- controllers;400- electric instruments;500- touch display screens;600- first state indicator lamps; 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.
Fig. 1 and Fig. 2 are referred to, the utility model embodiment provides a kind of switch board 10, and the switch board 10 includes cabinet Body 100, constant-pressure water-supplying control device 200, damp-proof device 300 and controller U1.
The cabinet 100 includes cabinet door 110 and guidance panel 120, and the cabinet door 110 offers action pane, the behaviour Make panel 120 be arranged at the inner side of the cabinet door 110 and with the action pane position correspondence.
The constant-pressure water-supplying control device 200 includes pressure sensor 210 and frequency changer circuit 220, the pressure sensor 210 and frequency changer circuit 220 be connected respectively with the controller U1.In the present embodiment, the pressure sensor 210 and the control Device U1 input connection, the frequency changer circuit 220 are connected with the output end of the controller U1.The pressure sensor 210 The inside of the main water outlet pipe of constant-pressure water-supplying control device 200 is arranged at, the frequency changer circuit 220 is arranged at the cabinet 100.
The damp-proof device 300 includes the first humidity sensor 310 and lowering or hoisting gear 320, first humidity sensor 310 and lowering or hoisting gear 320 be connected respectively with the controller U1.In the present embodiment, first humidity sensor 310 with it is described Controller U1 input connection, the lowering or hoisting gear 320 are connected with the output end of the controller U1.First humidity passes Sensor 310 and lowering or hoisting gear 320 are arranged at the cabinet 100.In the present embodiment, first humidity sensor 310 is arranged at The outside of the cabinet 100, the lowering or hoisting gear 320 are arranged at the inside of the cabinet 100.
In the present embodiment, the pressure sensor 210 is used to gather the main water outlet pipe of constant-pressure water-supplying control device 200 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 220 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 220 Section, including the switching regulation of state and halted state is operated to frequency converter in the frequency changer circuit 220, and when the change When frequency device is in running order, the output frequency of the frequency converter is adjusted.First humidity sensor 310 is used to adopt Collect the humidity information outside the cabinet 100, and the humidity information is sent to the controller U1, the controller U1 is also For receiving the humidity information, lowering or hoisting gear 320 is controlled to lift to block or expose the behaviour according to the humidity information Make panel 120.
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.
In order to strengthen the waterproof and dampproof performance of the cabinet 100, alternatively, in the present embodiment, what the cabinet door 110 opened up The edge of action pane is arranged with waterproof grommet.In the present embodiment, the cabinet 100 includes roof and bottom wall, Yi Jiyi It is secondary to enclose between the roof and bottom wall to form the first side wall of rectangle receiving space, second sidewall, the 3rd side wall and Four side walls.Wherein, the first side wall is the front side wall of the cabinet 100, and the second sidewall is the left side of the cabinet 100 Wall, the 3rd side wall are the rear wall of the cabinet 100, and the 4th side wall is the right side wall of the cabinet 100.The cabinet Door 110 is arranged at the first side wall, and that the opening position that the first side wall is connected is provided with waterproof is recessed for the cabinet door 110 Groove, waterproof grommet is embedded with the waterproof groove.Referring to Fig. 3, in addition, in the present embodiment, the cabinet 100 also includes bottom Plate 130, the bottom plate 130 are removable installed in the inner side of the bottom wall.
Alternatively, in the present embodiment, the controller U1 is arranged at the bottom plate 130.
Refer to Fig. 4 and Fig. 5, in the present embodiment, the frequency changer circuit 220 of the constant-pressure water-supplying control device 200 shown in Fig. 1 can With including the first frequency converter U2, the second frequency converter U3, the first pump motor M1, the second pump motor M2 and the 3rd pump motor M3。
Wherein, the first pump motor M1 is connected by first contactor KM1 with power supply, and passes through series connection Second contactor KM2 and the first frequency converter U2 are connected with power supply.Alternatively, in the present embodiment, the power supply is three Phase power supply, including three phase lines, a neutral conductor and a protective wire.Three phase lines are L1, L2 and L3, the neutral conductor For N, protective wire PE.The power supply size of current is intuitively observed for the ease of user, alternatively, in the present embodiment, The switch board 10 is additionally provided with the electric instrument 400 shown in Fig. 2, the electric instrument 400 by current transformer with it is described Three phase lines connection of power supply.Optionally, in addition, in the present embodiment, the end of incoming cables of three phase lines of the power supply Be additionally provided with the first air switch QF1, other circuits of the frequency changer circuit 220 or the switch board 10 occur short circuit, When heavy overload and under-voltage, automatic protection is realized by automatic brake separating, to strengthen the security of the switch board 10 Energy.Alternatively, in the present embodiment, the first air switch QF1 is also in series with phase sequence relay U4, and the phase sequence relay U4 normally opened contact is connected with the input of the controller U1.In the present embodiment, the first pump motor M1 passes through first Three phase lines of contactor KM1 and power supply connect, and by the second contactor KM2 and the first frequency converter U2 of series connection with Three phase lines connection of power supply.It is arranged such, when the first contactor KM1 adhesives are closed, the second contactor KM2 breaks When opening, the first pump motor M1 is run under power frequency state, and when the first contactor KM1 disconnects, described second contacts During device KM2 adhesives, the first pump motor M1 is run under frequency conversion state.Alternatively, in the present embodiment, first frequency conversion Three phase lines of device U2 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 M2 is connected by the 3rd contactor KM3 with power supply, passes through the 4th contact of series connection Device KM4 and the first frequency converter U2 are connected with power supply, and by the 5th contactor KM5 and the second frequency converter U3 of series connection with Power supply connects.Equally, in the present embodiment, the second pump motor M2 passes through the 3rd contactor KM3 and power supply Three phase line connections, are connected by the 4th contactor KM4 and the first frequency converter U2 of series connection and three phase lines of power supply, with And connected by the 5th contactor KM5 and the second frequency converter U3 of series connection and three phase lines of power supply.It is arranged such, works as institute The 3rd contactor KM3 adhesives are stated, when the 4th contactor KM4 and the 5th contactor KM5 disconnect, the second pump motor M2 Run under power frequency state, when the 3rd contactor KM3 disconnections, the 4th contactor KM4 or the 5th contactor KM5 adhesives When, the second pump motor M2 is run under frequency conversion state.Alternatively, in the present embodiment, the second frequency converter U3 is with supplying Three phase lines of power supply are by the 3rd air switch QF3 connections, further to strengthen the security performance of the switch board 10.
The 3rd pump motor M3 is connected by the 6th contactor KM6 with power supply, and pass through series connection the 7th Contactor KM7 and the second frequency converter U3 are connected with power supply.Equally, in the present embodiment, the 3rd pump motor M3 passes through Three phase lines of the 6th contactor KM6 and power supply connect, and pass through the 7th contactor KM7 of series connection and the second frequency converter Three phase lines of U3 and power supply connect.It is arranged such, as the 6th contactor KM6 adhesives, the 7th contactor KM7 During disconnection, the 3rd pump motor M3 is run under power frequency state, and when the 6th contactor KM6 disconnects, the described 7th connects During tentaculum KM7 adhesives, the first pump motor M1 is run under frequency conversion state.
The first frequency converter U2 and the second frequency converter U3 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 210 to the first frequency converter U2 and the second frequency converter U3 State is adjusted.In the present embodiment, the analog input end of the first frequency converter U2 and the analog quantity of the controller U1 Output end is connected, and the analog output end of the first frequency converter U2 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 U3 and another analog output end of the controller U1 Connection, the analog output end of the second frequency converter U3 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 U2 is connected with the input of the controller U1, first frequency conversion Device U2 fault-signal contact is connected with another input of the controller U1.Equally, in the present embodiment, second frequency conversion Device U3 run signal contact is connected with the input of the controller U1, the fault-signal contact of the second frequency converter U3 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 U2 It is not connected with power supply by second contactor KM2 normally opened contact and the 4th contactor KM4 normally opened contact, is connect when described second When tentaculum KM2 normally opened contact closure or the normally opened contact of the 4th contactor KM4 close, the first frequency converter U2 fortune OK.The On-off signal end of the second frequency converter U3 passes through the 5th contactor KM5 normally opened contact and the 7th contactor respectively KM7 normally opened contact is connected with power supply, as the normally opened contact closure of the 5th contactor KM5 or the 7th contactor KM7 Normally opened contact closure when, the first frequency converter U2 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, the coil of the first contactor KM1, second contactor KM2 coil, the 3rd contactor KM3 Coil, the 4th contactor KM4 coil, the 5th contactor KM5 coil, the 6th contactor KM6 coil and the 7th contact Output end of the device KM7 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 210 collections is to the coil of the first contactor KM1, second contactor KM2 coil, the 3rd contactor KM3 coil, the 4th contactor KM4 coil, the 5th contactor KM5 coil, the 6th contactor KM6 coil and the 7th connect The energization of tentaculum KM7 coil and off-position switch over, so to the first contactor KM1, second contactor KM2, 3rd contactor KM3, the 4th contactor KM4, the 5th contactor KM5, the 6th contactor KM6 and the 7th contactor KM7 adhesive State and off-state are switched over, and finally the first frequency converter U2 and the second frequency converter U3 running status are adjusted Section.
Alternatively, in the present embodiment, the first frequency converter U2, the second frequency converter U3, first contactor KM1, second connect Tentaculum KM2, the first air switch QF1, phase sequence relay U4, the second air switch QF2, the 3rd contactor KM3, the 4th contactor KM4, the 5th contactor KM5, the 3rd air switch QF3, the 6th contactor KM6 and the 7th contactor KM7 are arranged at shown in Fig. 3 Bottom plate 130.
By above-mentioned setting, realized by the first frequency converter U2 and the second frequency converter U3 to first pump motor M1, the second pump motor M2 and the 3rd pump motor M3 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 using the switch board 10 is also improved.
Fig. 6 is please referred to, alternatively, in the present embodiment, the constant-pressure water-supplying control device 200 also includes VFC Circuit 230.The frequency conversion control circuit 230 includes the first frequency conversion control circuit 231, the second frequency conversion control circuit the 232, the 3rd becomes Frequency control circuit 233, the 4th frequency conversion control circuit 234, the 5th frequency conversion control circuit 235, the 6th frequency conversion control circuit 236 and Seven frequency conversion control circuits 237.
First frequency conversion control circuit 231 includes the first contactor connected between the phase line of power supply and the neutral conductor The normally opened contact of KM1 coil and the first auxiliary reclay KA1, coil and the control of the first auxiliary reclay KA1 Device U1 connections.Second to be connected between the phase line and the neutral conductor of second frequency conversion control circuit 232 including power supply contacts The normally opened contact of device KM2 coil and the second auxiliary reclay KA2, coil and the control of the second auxiliary reclay KA2 Device U1 connections processed.The 3rd to be connected between the phase line and the neutral conductor of 3rd frequency conversion control circuit 233 including power supply connects The normally opened contact of tentaculum KM3 coil and the 3rd auxiliary reclay KA3, the coil of the 3rd auxiliary reclay KA3 with it is described Controller U1 connections.4th frequency conversion control circuit 234 includes the 4th to be connected between the phase line of power supply and the neutral conductor The normally opened contact of contactor KM4 coil and the 4th auxiliary reclay KA4, the coil of the 4th auxiliary reclay KA4 and institute State controller U1 connections.The to be connected between the phase line and the neutral conductor of 5th frequency conversion control circuit 235 including power supply Six contactor KM6 coil and the 5th auxiliary reclay KA5 normally opened contact, the coil of the 5th auxiliary reclay KA5 with The controller U1 connections.6th frequency conversion control circuit 236 includes what is connected between the phase line of power supply and the neutral conductor 7th contactor KM7 coil and the 6th auxiliary reclay KA6 normally opened contact, the coil of the 6th auxiliary reclay KA6 It is connected with the controller U1.7th frequency conversion control circuit 237 includes connecting between the phase line of power supply and the neutral conductor The 5th contactor KM5 coil and the 7th auxiliary reclay KA7 normally opened contact, the line of the 7th auxiliary reclay KA7 Circle is connected with the controller U1.
By above-mentioned setting, the coil of the first contactor KM1 by the coil of the first auxiliary reclay KA1 with The controller U1 is indirectly connected with, the coil of the second contactor KM2 by the coil of the second auxiliary reclay KA2 with The controller U1 is indirectly connected with, the coil of the 3rd contactor KM3 by the coil of the 3rd auxiliary reclay KA3 with The controller U1 is indirectly connected with, the coil of the 4th contactor KM4 by the coil of the 4th auxiliary reclay KA4 with The controller U1 is indirectly connected with, the coil of the 5th contactor KM5 by the coil of the 5th auxiliary reclay KA5 with The controller U1 is indirectly connected with, the coil of the 6th contactor KM6 by the coil of the 6th auxiliary reclay KA6 with The controller U1 is indirectly connected with, the coil of the 7th contactor KM7 by the coil of the 7th auxiliary reclay KA7 with The controller U1 is indirectly connected with.
Alternatively, in the present embodiment, the first auxiliary reclay KA1, the second auxiliary reclay KA2, among the 3rd after Electrical equipment KA3, the 4th auxiliary reclay KA4, the 5th auxiliary reclay KA5, the 6th auxiliary reclay KA6 and the 7th auxiliary reclay KA7 is arranged at the bottom plate 130 shown in Fig. 3.
In order to realize the interlocking of the first pump motor M1 power frequencies state and frequency conversion state, the second pump motor M2 The interlocking of power frequency state and frequency conversion state, and the interlocking of the 3rd pump motor M3 power frequencies state and frequency conversion state, it is optional Ground, in the present embodiment, first frequency conversion control circuit 231 is also in series with second contactor KM2 normally-closed contact, and described second Frequency conversion control circuit 232 is also in series with the first contactor KM1 of series connection normally-closed contact and the normally closed of the 4th contactor KM4 is touched Point, the 3rd frequency conversion control circuit 233 are also in series with the 4th contactor KM4 of series connection normally-closed contact and the 5th contactor KM5 normally-closed contact, the 4th frequency conversion control circuit 234 are also in series with the second contactor KM2 of series connection normally-closed contact, Three contactor KM3 normally-closed contact and the 5th contactor KM5 normally-closed contact, the 5th frequency conversion control circuit 235 are also connected Have that the 3rd contactor KM3 normally-closed contact of series connection, the 4th contactor KM4 normally-closed contact and the 7th contactor KM7's is normally closed Contact, the 6th frequency conversion control circuit 236 are also in series with the 7th contactor KM7 normally-closed contact, the 7th VFC Circuit 237 is also in series with the 5th contactor KM5 normally-closed contact and the 6th contactor KM6 normally-closed contact of series connection.
In order to realize the overtemperature protection of the constant-pressure water-supplying control device 200, to strengthen the security of the switch board 10 Can, alternatively, in the present embodiment, three phase lines of the first contactor KM1 and the power supply pass through the first hot relay Device Q1 connections, the 3rd contactor KM3 is connected with three phase lines of the power supply by the second electrothermal relay Q2, described 6th contactor KM6 is connected with three phase lines of the power supply by the 3rd electrothermal relay Q3.First VFC Circuit 231 is also in series with the normally opened contact of the first electrothermal relay Q1, and the 3rd frequency conversion control circuit 233 is also connected The second electrothermal relay Q2 normally opened contact is stated, the 6th frequency conversion control circuit 236 is also in series with the 3rd electrothermal relay Q3 Normally opened contact.The normally-closed contact of the first electrothermal relay Q1, the second electrothermal relay Q2 normally-closed contact and the 3rd hot relay Device Q3 normally-closed contact is connected with the controller U1 respectively.Specifically, the normally-closed contact of the first electrothermal relay Q1, second Input of electrothermal relay Q2 normally-closed contact and the 3rd electrothermal relay the Q3 normally-closed contact respectively with the controller U1 is connected.
Alternatively, in the present embodiment, the first electrothermal relay Q1, the second electrothermal relay Q2 and the 3rd electrothermal relay Q3 are set It is placed in the bottom plate 130 shown in Fig. 3.
In the present embodiment, the constant-pressure water-supplying control device 200 can also include the first radiating circuit 240, and described first Radiating circuit 240 includes the first radiator fan 241 and selection circuit 242 connected between power supply phase line and the neutral conductor.Can Selection of land, in the present embodiment, first radiator fan 241 is arranged at the second sidewall of cabinet 100.The selection circuit 242 The normally opened contact of the second auxiliary reclay KA2 normally opened contact, the 4th auxiliary reclay KA4 including parallel connection, among the 5th after The normally opened contact of electrical equipment KA5 normally opened contact and the 7th auxiliary reclay KA7.Be arranged such, as the first frequency converter U2 and When at least one in the second frequency converter U3 is in running order, first radiator fan 241 can be powered operating, be The switch board 10 radiates.
In the present embodiment, the liquid level that the constant-pressure water-supplying control device 200 can also include being arranged in water storage device passes Sensor 250.Alternatively, in the present embodiment, the level sensor is provided with two, including the first liquid level sensor 251 and Two liquid level sensors 252, first liquid level sensor 251 and second liquid level sensor 252 respectively with the controller U1 input connection connection.Alternatively, in the present embodiment, first liquid level sensor 251 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 M1, the second pump motor M2 and the 3rd pump motor M3 from fortune Row state switches to halted state.Second liquid level sensor 252 is ultrasonic liquid level sensor 250.
Alternatively, in the present embodiment, the constant-pressure water-supplying control device 200 is additionally provided with working method switching circuit 260, Switched over the working method to the constant-pressure water-supplying control device 200, for example, by the constant-pressure water-supplying control device 200 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 260 includes first switch SB1, second switch SB2, the 3rd switch SB3 and the 4th switch SB4.The first switch SB1 is provided with first choice path and the second selection path, the first choice of the first switch SB1 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 200 automatic work, the input of the second selection path of the first switch SB1 are connected with power supply, and output end passes through second The other three input of switch SB2, the 3rd switch SB3 and the 4th switch SB4 respectively with the controller U1 connects one to one To realize the manual work of the constant-pressure water-supplying control device 200.Alternatively, in the present embodiment, the first switch SB1, Two switch SB2, the 3rd switch SB3 and the 4th switch SB4 are two grades of rotary switches.In addition, the first switch SB1, second opening Close SB2, the 3rd switch SB3 and the 4th switch SB4 is arranged at the guidance panel 120, with user-friendly.
Referring to Fig. 1 and Fig. 2, alternatively, in the present embodiment, the first humidity sensor of the damp-proof device 300 310 are arranged at the outside of cabinet door 110, and the lowering or hoisting gear 320 is arranged at the inner side of cabinet door 110.
In the present embodiment, the lowering or hoisting gear 320 includes lifting circuit 321 and lifting performs device 322, the lifting electricity Road 321 is connected with the controller U1 and the lifting performs device 322 respectively.The lifting performs device 322 is arranged at institute State the inner side of cabinet door 110.
Fig. 4 and Fig. 5 are please referred to, the lifting circuit 321 leads to respectively including lifting motor M4, the lifting motor M4 Cross the 8th contactor KM8 and the 9th contactor KM9 is connected with power supply, the coil and the 9th of the 8th contactor KM8 connects Tentaculum KM9 coil is connected with the controller U1 respectively.Specifically, in the present embodiment, the lifting motor M4 passes through respectively Three phase lines of the 8th contactor KM8 and the 9th contactor KM9 and power supply connect, the coil of the 8th contactor KM8 It is connected with output end of the 9th contactor KM9 coil respectively with the controller U1.When the 8th contactor KM8 coil leads to Electricity, during the 8th contactor KM8 adhesives, the lifting motor M4 operations, and rotating forward state is in, as the 9th contactor KM9 Coil electricity, during the 9th contactor KM9 adhesives, lifting motor M4 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 M4 with it is described 8th contactor KM8 and the 9th contactor KM9 pass through the 4th electrothermal relay Q4 connections.
Alternatively, in the present embodiment, the 8th contactor KM8, the 9th contactor KM9 and the 4th electrothermal relay Q4 are set In the bottom plate 130 shown in Fig. 3.
Please refer to Fig. 6, in the present embodiment, the lowering or hoisting gear 320 can also include elevating control circuit 323.Institute Stating elevating control circuit 323 includes the first elevating control circuit 3231 and second in parallel between power supply phase line and the neutral conductor Elevating control circuit 3232.Alternatively, in the present embodiment, the power supply phase line and the first elevating control circuit 3231 Connected with the second elevating control circuit 3232 by the 4th electrothermal relay Q4 normally opened contact.The first elevating control circuit 3231 include the 8th contactor KM8 of series connection coil, the 8th auxiliary reclay KA8 normally opened contact and the 9th contactor KM9 Normally-closed contact, the coil of the 8th auxiliary reclay KA8 is connected with the controller U1.The second elevating control circuit 3232 include the 9th contactor KM9 of series connection coil, the 9th auxiliary reclay KA9 normally opened contact and the 8th contactor KM8 Normally-closed contact, the coil of the 9th auxiliary reclay KA9 is connected with the controller U1.Thus, the 8th contactor KM8 coil is indirectly connected with by the coil of the 8th auxiliary reclay KA8 with the controller U1, the 9th contactor KM9 coil is indirectly connected with by the coil of the 9th auxiliary reclay KA9 with the controller U1.
It is also real on the basis of realizing that the lifting motor M4 rotates forward state and inverted status control by above-mentioned setting The interlocking that the lifting motor M4 rotates forward state and inverted status is showed.
Fig. 7, Fig. 8 and Fig. 9 are please referred to, the lifting performs device 322 includes transmission device 3221 and for blocking Or expose the guidance panel 120 blocks panel 3222, the transmission device 3221 respectively with the lifting motor M4 and The panel 3222 that blocks is connected.Observed for the ease of user, it is alternatively, described to block panel in the present embodiment 3222 be perspex panels.
Alternatively, in the present embodiment, the transmission device 3221 includes driving turbine 32211, transmission turbine 32212, passed Dynamic worm screw 32213, shaft coupling 32214 and lifting assembly 32215.
The output axis connection of driving turbine 32211 and the lifting motor M4, the transmission turbine 32212 with it is described Driving turbine 32211 is engaged, and the geared worm 32213 is engaged with the transmission turbine 32212, and the shaft coupling 32214 is set It is placed in one end of the geared worm 32213.Alternatively, in the present embodiment, the lifting assembly 32215 includes what is cooperated Ball screw 322151 and ball spline 322152, one end of the ball screw 322151 are rotatably arranged at the cabinet door 110 inner side, the other end are fixedly connected with geared worm 32213 by the shaft coupling 32214.Optionally, in the present embodiment, Short transverse of the ball screw 322151 along the cabinet door 110 is set, and the ball spline 322152 is sheathed on ball wire Bar 322151 and the back side for being fixedly connected on the guidance panel 120.
In the present embodiment, the transmission device 3221 can also include guide rail 32216, and the guide rail 32216 is arranged at institute State the inner side of cabinet door 110.The setting quantity of the guide rail 32216 is two, and parallel set along the short transverse of the cabinet door 110 Put.The guidance panel 120 is arranged between two guide rails 32216, positioned at the cabinet door 110 and the ball screw Between 322151, and can in the presence of the ball spline 322152 between two guide rails 32216 along the cabinet The short transverse of door 110 is slided.
It is described in the presence of the shaft coupling 32214 when the geared worm 32213 rotates by above-mentioned setting The rotary motion of ball screw 322151, drive and be sheathed on the ball spline 322152 of the ball screw 322151 along ball screw 322151 axial direction motion, panel 3222 is blocked described in two while the ball spline 322152 moves described in drive Slided between guide rail 32216 along the short transverse of the cabinet door 110, to block or expose the guidance panel 120.
In order to realize it is described block the upper and lower spacing of panel 3222, alternatively, in the present embodiment, the lifting performs device 322 also include stopping means 324.In the present embodiment, the stopping means 324 includes being arranged at the guide rail 32216 close to institute State the upper limit position switch SB5 at the top of cabinet door 110 and be arranged at lower limit of the guide rail 32216 close to the bottom of cabinet door 110 Switch SB6.The upper limit position switch SB5 is connected with an input of the controller U1, the lower position switch SB6 with it is described Controller U1 another input connection.
Alternatively, in the present embodiment, the damp-proof device 300 also includes the radiating circuit of temperature sensor 330 and second 340.The temperature sensor 330 is connected with the input of the controller U1.Second radiating circuit 340 includes power supply electricity The second radiator fan 341 and the tenth auxiliary reclay KA10 length connected between source phase line and the neutral conductor open contact, and described Ten auxiliary reclay KA10 coil is connected with the output end of the controller U1.In the present embodiment, the temperature sensor 330 Sent for gathering the temperature information inside the cabinet 100, and by the temperature information to the controller U1, so that the control Device U1 processed adjusts the operating condition of second radiator fan 341 according to the temperature information.
Alternatively, in the present embodiment, the auxiliary reclay KA10 of temperature sensor 330 and the tenth is arranged at shown in Fig. 3 Bottom plate 130, second radiator fan 341 is arranged at the 4th side wall.
In order to strengthen the humidity resistance of the switch board 10, in the present embodiment, the damp-proof device 300 also includes drying dress Put 350, the drying unit 350 is arranged at the bottom position of the inner side of cabinet door 110, and towards the roof and described the The joint of three side walls.In the present embodiment, the drying unit 350 can be electrothermal tube.In addition, in order to increase drying heating surface Product, alternatively, in the present embodiment, formed angle is 45 ° between electrothermal tube and the cabinet door 110, to ensure good drying Efficiency.In the present embodiment, the electrothermal tube is connected with the 11st auxiliary reclay KA11 normally opened contact, and is arranged at the confession Between the phase line and the neutral conductor of power supply, the coil of the 11st auxiliary reclay KA11 and the output end of the controller U1 Connection.
Alternatively, in the present embodiment, the 11st auxiliary reclay KA11 is arranged at the bottom plate 130 shown in Fig. 3.
Alternatively, in the present embodiment, the damp-proof device 300 is additionally provided with for gathering the interior humidity information of cabinet 100 The second humidity sensor 360.Second humidity sensor 360 is connected with the input of the controller U1.
Alternatively, in the present embodiment, second humidity sensor 360 is arranged at the bottom plate 130 shown in Fig. 3.
By above-mentioned setting, first humidity sensor 310 gathers the outer moisture information of cabinet 100, 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 M4 rotate forward so that the transmission device 3221 drive it is described block panel 3222 and move up, it is described touching It is automatically stopped during upper limit position switch SB5, so as to block the guidance panel 120, 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 M4 reversions so that the biography again Dynamic device 3221 drive it is described block panel 3222 and move down, be automatically stopped when touching the lower position switch SB6, so as to sudden and violent Expose the guidance panel 120, said switch board 10 is the purpose that can reach protection against the tide.
In addition, when the humidity information that the controller U1 gathers according to second humidity sensor 360 judges to draw this Humidity information is more than default cabinet humidity threshold value, controls the i.e. described electrothermal tube of the drying unit 350 to open to the switch board 10 inside carry out drying and processing, but when the controller U1 humidity informations gathered according to second humidity sensor 360 are sentenced It is disconnected to show that the humidity information is more than default cabinet humidity threshold value, and the temperature information gathered according to the temperature sensor 330 is sentenced It is disconnected when showing that the temperature information is more than preset temperature threshold value, i.e., when the described interior humidity of cabinet 100 is big and temperature is high, the control Device U1 can control the drying unit 350 to close, and control second radiator fan 341 to open, and realize the switch board 10 temperature control and radiating, when the temperature information that the controller U1 gathers according to the temperature sensor 330 judges to draw The temperature information recovers to less than default cabinet humidity threshold value, but according to the humidity of second humidity sensor 360 collection to believe Breath judgement show that the humidity information is still more than another default humidity threshold, controls the drying unit 350 to be again turned on to institute State the inside of switch board 10 and carry out drying and processing.
In the present embodiment, the damp-proof device 300 can also include emergent control button 370, described in controlling manually The lifting of lowering or hoisting gear 320, specially block panel 3222 described in control and lift to block or expose the guidance panel 120.In the present embodiment, the emergent control button 370 includes the first control button SB7 and the second control button SB8.Described One control button SB7 is arranged at the cabinet door 110 and is connected with the input of the controller U1, second control button SB8 is arranged at the cabinet door 110 and is connected with another input of the controller U1.
Alternatively, in the present embodiment, the guidance panel 120 is arranged at the groove bottom wall of a rectangular recess.Now, in order to anti- Only the condensation water smoke of panel 3222 that blocks causes to obscure, and alternatively, in the present embodiment, the rectangular recess side is provided with out Mouthful, the drying unit 350 is opened caused hot gas and entered by the opening inside the rectangular recess, effectively prevents in advance The surface of panel 3222 of blocking causes fuzzy phenomenon due to condensing water smoke.
In the present embodiment, the switch board 10 can also include touch display screen 500, first state indicator lamp 600, second Status indicator lamp 700 and third state indicator lamp 800.The communication terminal of the touch display screen 500 is logical with the controller U1's End connection is interrogated, and is arranged at the guidance panel 120.In the present embodiment, user is changed by the touch display screen 500 and controlled The running situation of device U1 relevant parameters and the switch board 10.The first state indicator lamp 600 is connected to the power supply electricity Between the phase line and the neutral conductor in source, and the guidance panel 120 is arranged at, the startup optimization for the switch board 10 indicates. Second status indicator lamp 700 and third state indicator lamp 800 are connected with the output end of the controller U1, and are arranged at institute Guidance panel 120 is stated, the malfunction for the switch board 10 indicates.
The utility model applies example and additionally provides a kind of constant pressure water supply system, including water storage device, water supply webmaster and above-mentioned control Cabinet 10 processed.The switch board 10 is connected with the water storage device and the water supply webmaster with to being sent out from the water storage device respectively Water carry out hydraulic pressure regulation and delivering to the water supply webmaster, to ensure the water pressure invariableness of the water supply webmaster.
In summary, the switch board 10 and constant pressure water supply system that the utility model embodiment provides, by same in cabinet 100 When constant-pressure water-supplying control device 200 and damp-proof device 300 are set, relative to prior art, while constant pressure water supply is realized The moistureproof problem of cabinet 100 is efficiently solved, reduces electric leakage and the risk of equipment burnout, also reduces the maintenance cost of equipment With.
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 switch board, it is characterised in that including cabinet, constant-pressure water-supplying control device, damp-proof device and controller;
The cabinet includes cabinet door and guidance panel, and the cabinet door offers action pane, and the guidance panel is arranged at described Include pressure sensor and variable-frequency electric on the inside of cabinet door and with the action pane position correspondence, the constant-pressure water-supplying control device Road, the pressure sensor and frequency changer circuit are connected with the controller respectively, and the frequency changer circuit is arranged at the cabinet, institute Stating damp-proof device includes the first humidity sensor and the lowering or hoisting gear for blocking or exposing the guidance panel, and described first Humidity sensor and lowering or hoisting gear are connected with the controller respectively, and first humidity sensor and lowering or hoisting gear are arranged at institute State cabinet.
2. switch board according to claim 1, it is characterised in that the frequency changer circuit includes the first frequency converter, the second change Frequency device, the first pump motor, the second pump motor and the 3rd pump motor, first pump motor by first contactor with Power supply connects, and is connected by the second contactor of series connection and the first frequency converter with power supply, second water pump Motor is connected by the 3rd contactor with power supply, is connected by the 4th contactor of series connection and the first frequency converter with power supply Connect, and be connected by the 5th contactor of series connection and the second frequency converter with power supply, the 3rd pump motor passes through Six contactors are connected with power supply, and are connected by the 7th contactor of series connection and the second frequency converter with power supply;
First frequency converter, the second frequency converter, the coil of first contactor, the coil of second contactor, the 3rd contactor Coil, the coil of the 4th contactor, the coil of the 5th contactor, the coil difference of the coil of the 6th contactor and the 7th contactor It is connected with the controller.
3. switch board according to claim 2, it is characterised in that the constant-pressure water-supplying control device also includes the first frequency conversion Control circuit, the second frequency conversion control circuit, the 3rd frequency conversion control circuit, the 4th frequency conversion control circuit, the 5th frequency conversion control circuit, 6th frequency conversion control circuit and the 7th frequency conversion control circuit;
First frequency conversion control circuit include the coil of first contactor connected between power supply phase line and the neutral conductor and The normally opened contact of first auxiliary reclay, the coil of first auxiliary reclay are connected with the controller, and described second becomes Frequency control circuit includes the coil and the second auxiliary reclay for the second contactor connected between power supply phase line and the neutral conductor Normally opened contact, the coil of second auxiliary reclay is connected with the controller, and the 3rd frequency conversion control circuit includes The coil of the 3rd contactor and the normally opened contact of the 3rd auxiliary reclay connected between power supply phase line and the neutral conductor, it is described The coil of 3rd auxiliary reclay is connected with the controller, and the 4th frequency conversion control circuit includes power supply phase line with The coil of the 4th contactor and the normally opened contact of the 4th auxiliary reclay connected between property line, the 4th auxiliary reclay Coil is connected with the controller, and the 5th frequency conversion control circuit includes the to be connected between power supply phase line and the neutral conductor The normally opened contact of the coil of six contactors and the 5th auxiliary reclay, coil and the controller of the 5th auxiliary reclay Connection, the 6th frequency conversion control circuit include the coil of the 7th contactor connected between power supply phase line and the neutral conductor and The normally opened contact of 6th auxiliary reclay, the coil of the 6th auxiliary reclay are connected with the controller, and the described 7th becomes Frequency control circuit includes the coil and the 7th auxiliary reclay for the 5th contactor connected between power supply phase line and the neutral conductor Normally opened contact, the coil of the 7th auxiliary reclay is connected with the controller.
4. switch board according to claim 3, it is characterised in that first frequency conversion control circuit is also in series with second and connect The normally-closed contact of tentaculum, the normally-closed contact and the 4th that second frequency conversion control circuit is also in series with the first contactor of series connection connect The normally-closed contact of tentaculum, the normally-closed contact and the 5th for the 4th contactor that the 3rd frequency conversion control circuit is also in series with series connection connect The normally-closed contact of tentaculum, the 4th frequency conversion control circuit are also in series with the normally-closed contact of the second contactor of series connection, the 3rd connect The normally-closed contact of the normally-closed contact of tentaculum and the 5th contactor, the 5th frequency conversion control circuit are also in series with the 3rd of series connection and connect The normally-closed contact of the normally-closed contact of tentaculum, the normally-closed contact of the 4th contactor and the 7th contactor, the 6th VFC electricity Road is also in series with the normally-closed contact of the 7th contactor, and the 7th frequency conversion control circuit is also in series with the 5th contactor of series connection The normally-closed contact of normally-closed contact and the 6th contactor.
5. the switch board according to claim 3 or 4, it is characterised in that the first contactor and the power supply lead to Cross the first electrothermal relay to connect, the 3rd contactor is connected with the power supply by the second electrothermal relay, and the described 6th connects Tentaculum is connected with the power supply by the 3rd electrothermal relay;
First frequency conversion control circuit is also in series with the normally opened contact of first electrothermal relay, the 3rd VFC electricity Road is also in series with the normally opened contact of second electrothermal relay, the 6th frequency conversion control circuit be also in series with the 3rd heat after The normally opened contact of electrical equipment;
The normally-closed contact of the normally-closed contact of first electrothermal relay, the normally-closed contact of the second electrothermal relay and the 3rd electrothermal relay It is connected respectively with the controller.
6. the switch board according to claim 3 or 4, it is characterised in that the constant-pressure water-supplying control device also includes first Radiating circuit, first radiating circuit include the first radiator fan and the selection connected between power supply phase line and the neutral conductor Circuit, the selection circuit include the normally opened contact of the second auxiliary reclay in parallel, the 4th auxiliary reclay normally opened contact, The normally opened contact of 5th auxiliary reclay and the normally opened contact of the 7th auxiliary reclay.
7. switch board according to claim 1, it is characterised in that the lowering or hoisting gear includes lifting circuit and lifting performs Device, the lifting circuit are connected with the controller and the lifting performs device respectively;
The lifting circuit includes lifting motor, and the lifting motor passes through the 8th contactor and the 9th contactor and power supply respectively Power supply is connected, and the coil of the 8th contactor and the coil of the 9th 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. switch board according to claim 7, it is characterised in that the lowering or hoisting gear also includes power supply phase line with First elevating control circuit and the second elevating control circuit in parallel between property line;
The first elevating control circuit include series connection the coil of the 8th contactor, the normally opened contact of the 8th auxiliary reclay and The normally-closed contact of 9th contactor, the coil of the 8th auxiliary reclay are connected with the controller;
The second lifting circuit includes coil, the normally opened contact and the 8th of the 9th auxiliary reclay of the 9th contactor of series connection The normally-closed contact of contactor, the coil of the 9th auxiliary reclay are connected with the controller.
9. switch board according to claim 1, it is characterised in that the damp-proof device also includes temperature sensor and second Radiating circuit, the temperature sensor are connected with the controller, and second radiating circuit includes power supply phase line with The second radiator fan and the length of the tenth auxiliary reclay connected between property line open contact, the coil of the tenth auxiliary reclay It is connected with the controller.
10. a kind of constant pressure water supply system, it is characterised in that any one including water storage device, water supply webmaster and claim 1~9 Switch board described in;
The switch board is connected with to the water sent out from the water storage device with the water storage device and the water supply webmaster respectively Carry out hydraulic pressure regulation and deliver to the water supply webmaster.
CN201720927638.9U 2017-07-27 2017-07-27 Switch board and constant pressure water supply system Expired - Fee Related CN206929067U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720927638.9U CN206929067U (en) 2017-07-27 2017-07-27 Switch board and constant pressure water supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720927638.9U CN206929067U (en) 2017-07-27 2017-07-27 Switch board and constant pressure water supply system

Publications (1)

Publication Number Publication Date
CN206929067U true CN206929067U (en) 2018-01-26

Family

ID=61356058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720927638.9U Expired - Fee Related CN206929067U (en) 2017-07-27 2017-07-27 Switch board and constant pressure water supply system

Country Status (1)

Country Link
CN (1) CN206929067U (en)

Similar Documents

Publication Publication Date Title
CN207353741U (en) A kind of prepackage type is embedded in underground box type transformer
CN207853285U (en) A kind of switch board of automatic adjustment direction of ventilation
CN107182178A (en) Protection against the tide control cabinet and moistureproof switch board
CN206929067U (en) Switch board and constant pressure water supply system
CN207074808U (en) Damp-proof device and switch board
CN201758383U (en) Frequency conversion energy-saving system control cabinet
CN107246384A (en) Switch board and constant pressure water supply system
CN207228226U (en) Constant-pressure water-supplying control device and switch board
CN206963237U (en) Switch board lowering or hoisting gear and moistureproof switch board
CN104314135A (en) Multi-split constant-pressure water supply system
CN103683891B (en) A kind of transducer control circuit, method and speed-adjusting and control system
CN203298556U (en) Automatic energy-saving control system for vacuum low temperature cooling tank circulating water cooling system for fryer group
CN103375889A (en) Network-based air conditioning unit controller
CN206957445U (en) A kind of external hanging type window control
CN209229956U (en) It is a kind of suitable for central air conditioner system blower, the energy-saving control cabinet of water pump
CN103017224A (en) Automatically controlled smoke exhaust ventilator
CN212751510U (en) Automatic energy-conserving low-voltage electricity cabinet of inverter type
CN201837901U (en) Fully automatic water level controller
CN205980028U (en) Take ceiling type air conditioner of panel that generates heat
CN205481586U (en) A energy -conserving machine for regulateing and control precision air conditioning in computer lab
CN205100737U (en) A fire control linkage automatic control system for electronic vent window
CN218163355U (en) Group control cabinet of high-efficiency refrigeration machine room
CN204492260U (en) Simple and easy swimming pool
CN207380537U (en) A kind of pumping plant information processing platform based on internet
CN204212210U (en) A kind of one drags many constant pressure water supply systems

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180126

Termination date: 20190727

CF01 Termination of patent right due to non-payment of annual fee