CN201185055Y

CN201185055Y - Water-feeding equipment synthesis actual-training bench for teaching

Info

Publication number: CN201185055Y
Application number: CNU2008200209799U
Authority: CN
Inventors: 盛南岭; 葛序风
Original assignee: Liaocheng Vocational and Technical College
Current assignee: Liaocheng Vocational and Technical College
Priority date: 2008-04-19
Filing date: 2008-04-19
Publication date: 2009-01-21
Anticipated expiration: 2018-04-19

Abstract

The utility model relates to a training water-supply device comprehensive-training terrace; a lower water storage tank (6), a water-filling pressure device and a high-level water tank (1) are arranged on a bracket body (3); a control system is arranged on the front end surface of the water-filling pressure device; a water-falling return system is connected with the high-level water tank (1) and the lower water storage tank (6). The water-filling pressure device comprises a self-water-absorbing pump (10), a water-filling pipe (18) and a pressure tank (4), and is arranged on a cover plate (9) that is positioned at the top part of the lower water storage tank (6), and is communicated with the high-level water tank (1) and the lower water storage tank (6) through the water-filling pipe (18) and a water-pump water-inlet pipe (8). Electric circuits and electric apparatus are configured on an electric junction box (5); a net-hole mounting board (2) is hung above the electrical junction box (5). Students can perform different layout assembling of the control apparatus on the net-hole mounting board (2), and the electrical junction box (5) is communicated to form the corresponding circuit unit, so as to complete different trainings of the water-supply automatic controlling skills.

Description

Teaching water work comprehensive practical traning platform

Technical field

The utility model relates to the practice teaching equipment, relates in particular to water work real training equipment.

Background technology

Existing water work practice teaching equipment adopts analog control mode more, does not have actual loading and drags process, can't show related datas such as pressure in the actual motion, voltage, electric current.Though some real training equipment has the emulation effect, but the equipment that provides is the electric cabinet that combines, the die is cast for a whole set of electrical control pattern, only limit to observation in the practice teaching to control procedure, or being connected between finalized the design simply control circuit and the load, function singleness, limitation are big, lack the space of freely bringing into play, can not realize the real training requirement of multiple feedwater control mode, be unfavorable for cultivating innovation ability of students.

Summary of the invention

The purpose of this utility model just provides a kind of water work comprehensive practical traning equipment, can be with the random layout of control device, can according to different control functions require the design and installation combination of circuits, in teaching, realize the multiple training of the automatic Control Skill of feedwater.

Task of the present utility model is achieved in that a kind of teaching of design water work comprehensive practical traning platform, by support body, elevated tank, lower water tank, go up water pressure device, control system, rush down return water system and form, lower water tank, last water pressure device, elevated tank are installed on the support body from bottom to top, control system is installed in the front end face of water pressure device, last water pressure device, rushes down return water system elevated tank and lower water tank are coupled together.Support body is the rectangle space framework that metal material is made, and is assembled by the support body crossbeam of vertical pillars on four angles and upper, middle and lower-ranking level to form.Elevated tank is a rectangular box, is installed on the support body crossbeam of support body upper strata, and the top installing has the arc-spark stand of level electrode downward vertically, and water level display vertically is equipped with in the front end outside, and the upper hose mouth is equipped with in the bottom, and downward weep pipe is equipped with in side outside.Lower water tank constitutes rectangular box by boxboard, is installed on lower floor's support body crossbeam of support body, and end face is laid cover plate, and the side bottom installing has the drainpipe of valve.Last water pressure device comprises self-priming water pump, upper hose, head tank, assembling is erected on the cover plate at lower water tank top, self-priming water pump is communicated with elevated tank and lower water tank by upper hose and pump water inlet, head tank is communicated with upper hose by water inlet pipe, the outside installing tensimeter of head tank, remote installed meter, water pouring valve, blow-off pipe is equipped with in the bottom, is equipped with valve on upper hose, water inlet pipe, the blow-off pipe.Control system is provided with electrical junction box, and equipped circuit appliance comprises voltage table, reometer, power circuit breaker, pump motor binding post, tensimeter binding post, remote installed meter binding post, level electrode binding post, and electric wire is drawn in the side of electrical junction box.Control system is provided with the mesh installing plate, is installed in the support body front end face above the electrical junction box.Rush down return water system and comprise weep pipe, water pouring valve, water-accepting tank, backwater flexible pipe with head tank and the supporting installation of elevated tank, be installed in the side of support body respectively, be communicated with elevated tank and lower water tank.

By pump water inlet and upper hose, self-priming water pump can rush down water input pressure jar and the elevated tank in the lower water tank to water-accepting tank the row of the water in the elevated tank again by weep pipe and water pouring valve, and the lower water tank that trickles back forms closed circulation.The control circuit of student's composite design is installed on the mesh plate installing plate, can be connected with the various binding posts of electrical junction box by electric wire easily, and integrated circuit is connected.Open power supply and related valve, can finish various self water feeding control projects.Can change the assembling mode of combination of circuits and control device according to training requirement,, reach the real training requirement that the student grasps water work Control System Design and installation to realize different functions.

Make, test according to such scheme, proof the utility model can require to assemble in the multiple layout of the enterprising line control unit spare of mesh plate installing plate according to different control functions, form corresponding combination of circuits mode, realize in the teaching student being grasped the multiple hands-on of the automatic Control Skill of feedwater, intuitively, vivid, flexible, vivid, help to bring into play mentality of designing and put into practice installation test, the creativity of cultivating and improve the student is had good facilitation, reached predetermined purpose preferably.

Description of drawings

Fig. 1 is an one-piece construction synoptic diagram of the present utility model;

Fig. 2 is the water pressure apparatus structure synoptic diagram of going up of the present utility model;

Fig. 3 is electrical junction box of the present utility model (a 5) external structure.

Among the figure, 1-elevated tank, 2-mesh installing plate, 3-support body, the 4-head tank, 5-electrical junction box, 6-lower water tank, 7-drainpipe, the 8-pump water inlet, 9-cover plate, 10-self-priming water pump, the 11-weep pipe, 12-side shield, 13-water level display, the 14-level electrode, 15-tensimeter, 16-remote installed meter, the 17-blow-off pipe, 18-upper hose, 19-water inlet pipe; H-water pouring valve, U-water-accepting tank, W-backwater flexible pipe, L-support body crossbeam, T-spacer, F-valve, the J-arc-spark stand, K-filling pipe end, D-power circuit breaker, the V-voltage table, A-reometer, S-power supply output wiring terminal, B-pump motor binding post, Y-tensimeter binding post, C-remote installed meter binding post, G-level electrode binding post, the X-electric wire.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described further.

Consult Fig. 1, support body 3 becomes the upper, middle and lower-ranking framed structure by four metal upright posts and three layers of support body crossbeam are L shaped, lower water tank 6 is positioned at lower floor's framework, the case top is coated with iron cover plate 9, the water pressure device is gone up in the middle level framework installing of cover plate 9 tops, comprise head tank 4, upper hose 18 and two self-priming water pumps 10, elevated tank 1 is installed in the upper strata framework, the filling pipe end K of upper hose 18 stretches out on the base plate of elevated tank 1, elevated tank 1 inner top target frame J installing level electrode 14 vertically downward, the front end outside is equipped with water level display 13.The front end face installing control system of middle level framework, Lower Half is installed electrical junction box 5, and the first half is installed mesh installing plate 2.Pump water inlet 8 is passed down through cover plate 9 and stretches in the lower water tank 6, and a side of elevated tank 1 is equipped with the weep pipe 11 of band water pouring valve H, and water-accepting tank U is equipped with in the side of support body 3, and the bottom is provided with backwater flexible pipe W and stretches into lower water tank 6.Head tank 4 is equipped with water pouring valve H, the side of stretching out support body 3, and the water-accepting tank U bottom surface of water pouring valve H bottom is connected to backwater flexible pipe W, stretches into lower water tank 6.Be provided with side discharge pipe 7 above lower water tank 6 base plates, have water discharging valve F.Column bottom on 3 four angles of support body is equipped with spacer T, can adjust the level height of support body 3 integral body.

Consult Fig. 2, last water pressure device comprises head tank 4 and self-priming water pump 10, upper hose 18, upper hose 18 tops are upwards stretched in the elevated tank 1, water inlet pipe 19 connects upper hose 18 and head tank 4, be equipped with valve F on upper hose 18 and the water inlet pipe 19, the top of head tank 4 is equiped with remote installed meter 16 and tensimeter 15, and water pouring valve H is equipped with at the middle part, and the blow-off pipe 17 of band valve F is equipped with in the bottom.Self-priming water pump 10 is installed on above the cover plate 9, and the pump water inlet 8 of connection passes cover plate 9 and reaches downwards in the lower water tank 6.

Consult Fig. 3, electrical junction box 5 equipped circuit appliances, comprise power circuit breaker D, voltage table V, reometer A, power supply output wiring terminal S, two cover pump motor binding post B, tensimeter binding post Y, remote installed meter binding post C, level electrode binding post G, each road electric wire X stretches out the outside by the circuit hole in the electrical junction box 5, is connected with each corresponding parts respectively.

Mesh installing plate 2 can be hung on support body 3 front end faces of electrical junction box 5 tops, can be connected with electrical junction box 5 by electric wire X easily.The mesh installing plate 2 that installs control device is placed in framework top, support body 3 middle level, X is connected with the associated connections post of electrical junction box 5 by the control electric wire, transfers related valve, the debugging pressure parameter, the multiple practice teaching of giving water management can be carried out, and control function and effect can be observed.Open the valve F of the water inlet pipe 19 of head tank 4, can finish pressure control water supply hands-on.Tensimeter 15 can show and sensing tank interior pressure that the pressure control circuit of mesh installing plate 2 installings starts self-priming water pump 10 to head tank 4 water filling superchargings, moves the back on tensimeter 15 pointers and collides with last limit value and touch, and self-priming water pump 10 shuts down.The water pouring valve H that opens head tank 4 gushes water in the jar, and tensimeter 15 pointers move down, and touches with following limit value, and self-priming water pump 10 is opened water filling.In like manner,, form the close-loop feedback signal, can finish the hands-on of variable frequency water supply connecting remote installed meter 16 behind the installing frequency conversion control circuit on the mesh installing plate 2.Open the valve F of the upper hose 18 that connects elevated tank 1, can finish water level control water supply hands-on.Level electrode 14 in the elevated tank 1 detects the water level of elevated tank 1 by the electric conductivity to water, opens water level water pouring valve H, decline of water table, and water-level control circuit starts self-priming water pump 10 beginning water fillings, and water level display 13 can be observed height of water level.Self-priming water pump 10 can be directly as the load of universal frequency converter, select to dispose simultaneously two self-priming water pumps 10, increased the variation and the authenticity of control, given the application of water management, conversion automatically, sequential firing and PLC Programmable Logic Controller for " one drag two " constant pressure frequency conversion and opened up a real training platform.By selecting different configurations, can realize the overall process to water management such as water level control, pressure control, variable frequency control respectively, can finish multiple real training project.As finishing water tower level automatic water-supply scheme by level electrode 14, control circuit, self-priming water pump 10 and conversion valve F; Can finish head tank 4 automatic water-supply schemes by tensimeter 15, control circuit, self-priming water pump 10 and conversion valve F; Can finish pressure double pump alternative water-supply scheme by tensimeter 15, PLC control circuit, two self-priming water pumps 10 and conversion valve F; Or the like.In the real training process, mesh installing plate 2 of student's staff, according to the arrangement of the content of courses, the configuration related device is installed the flexile control circuit of one-tenth capable of being combined voluntarily.By real training, can give full play to student's subjective initiative, strengthen actual operational capacity, improve creativity.

Claims

1, teaching water work comprehensive practical traning platform, it is characterized in that by support body (3), elevated tank (1), lower water tank (6), go up water pressure device, control system, rush down return water system and form, lower water tank (6), last water pressure device, elevated tank (1) are installed on the support body (3) from bottom to top, control system is installed in the front end face of water pressure device, last water pressure device, rushes down return water system elevated tank (1) and lower water tank (6) are coupled together.

2, according to the described teaching water work of claim 1 comprehensive practical traning platform, it is characterized in that the rectangle space framework that said support body (3) is made for metal material, assemble by the support body crossbeam (L) of vertical pillars on four angles and upper, middle and lower-ranking level and form.

3, according to the described teaching water work of claim 1 comprehensive practical traning platform, it is characterized in that said elevated tank (1) is rectangular box, be installed on support body (3) the upper strata support body crossbeam (L), the top installing has the arc-spark stand (J) of level electrode (14) downward vertically, water level display (13) vertically is equipped with in the front end outside, upper hose mouth (K) is equipped with in the bottom, and downward weep pipe (11) is equipped with in side outside.

4, according to the described teaching water work of claim 1 comprehensive practical traning platform, it is characterized in that said lower water tank (6) constitutes rectangular box by boxboard, be installed on lower floor's support body crossbeam (L) of support body (3), end face is laid cover plate (9), and the side bottom installing has the drainpipe (7) of valve (F).

5, according to the described teaching water work of claim 1 comprehensive practical traning platform, it is characterized in that the said water pressure device of going up comprises self-priming water pump (10), upper hose (18), head tank (4), assembling is erected on the cover plate (9) at lower water tank (6) top, self-priming water pump (10) is communicated with elevated tank (1) and lower water tank (6) by upper hose (18) and pump water inlet (8), head tank (4) is communicated with upper hose (18) by water inlet pipe (19), the outside installing tensimeter (15) of head tank (4), remote installed meter (16), water pouring valve (13), blow-off pipe (17), upper hose (18) are equipped with in the bottom, water inlet pipe (19), be equipped with valve (F) on the blow-off pipe (17).

6, according to the described teaching water work of claim 1 comprehensive practical traning platform, it is characterized in that said control system is provided with electrical junction box (5), equipped circuit appliance, comprise voltage table (V), reometer (A), power circuit breaker (D), pump motor binding post (B), tensimeter binding post (Y), remote installed meter binding post (C), level electrode binding post (G), electric wire (X) is drawn in the side of electrical junction box (5).

7, according to the described teaching water work of claim 6 comprehensive practical traning platform, it is characterized in that said control system is provided with mesh installing plate (2), be installed in support body (3) front end face above the electrical junction box (5).

8, according to the described teaching water work of claim 1 comprehensive practical traning platform, it is characterized in that the said return water system that rushes down comprises weep pipe (11), water pouring valve (H), water-accepting tank (U), backwater flexible pipe (W) with head tank (4) and the supporting installation of elevated tank (1), be installed in the side of support body (3) respectively, be communicated with elevated tank (1) and lower water tank (6).