Storage pond sewage detection device

Abstract

The utility model discloses a storage pond sewage detection device, including: control unit, lift unit, detection unit, alarm unit, lift unit and control unit connection, lift unit includes: guide piece, platform mechanism, drive piece, platform mechanism is equipped with the guide piece along the vertical motion, drive piece is connected with platform mechanism, and the detection unit is equipped with the alarm unit. The detection unit is connected with the control unit, the detection unit comprises a detection sensor, the detection sensor is arranged on the platform mechanism and used for detecting gas in the storage tank, and the alarm unit is in electric control signal connection with the control unit and outputs an alarm signal. The control unit receives a liquid level signal of a pump station control station and controls the height of the platform mechanism, so that the detection unit can move along with the liquid level, the detection unit is prevented from being submerged by water, meanwhile, the detection accuracy is improved, the alarm unit outputs an alarm signal, and a manager performs protection or leaves a site, so that the safety is improved. And the probability that people are injured by toxic and harmful gases is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of regulating and storing tanks, in particular to a sewage detection device for regulating and storing tanks. Background Art

[0002] The regulating reservoir is one of the important components of the rainwater and sewage pumping station. The main function of the regulating reservoir is to collect and store rainwater to reduce the drainage burden of the pumping station, and to discharge the stored water after the rain for use in urban greening and other purposes.

[0003] During operation, the regulating reservoir will produce toxic and harmful gases such as hydrogen sulfide, methane, carbon monoxide, and ammonia. The gases usually accumulate above the liquid surface. The operation and management personnel at the sewage pumping station site are easily harmed by the above-mentioned toxic and harmful gases during production operations. Some gases are colorless and odorless and not easy to be detected, posing a serious threat to the life, health, and property safety of relevant production and management personnel. Utility Model Content

[0004] The embodiment of the present application provides a sewage detection device in a regulating reservoir, which is used to detect toxic and harmful gases above the liquid surface. When the toxic and harmful gases exceed the standard, sound and light alarm information can be output on-site to prompt relevant personnel to pay attention to protection, thereby reducing the probability of management personnel being harmed by toxic and harmful gases.

[0005] The present application provides a sewage detection device for a storage tank, comprising:

[0006] The control unit is connected to the electrical control signal of the on-site control station of the pump station;

[0007] The lifting unit is connected to the control unit by an electrical control signal and comprises:

[0008] A guide member extends vertically into the storage tank;

[0009] A platform mechanism, which moves vertically and is arranged on the guide member;

[0010] A driving member, connected to the platform mechanism, and used to drive the platform mechanism to move;

[0011] A positioning mechanism, disposed between the platform mechanism and the guide member, the positioning mechanism being used to control the extreme position of the platform mechanism;

[0012] The detection unit is connected to the control unit with an electrical control signal, and comprises:

[0013] A detection sensor is arranged on the platform mechanism, and is used to detect the gas in the regulating reservoir;

[0014] The alarm unit is electrically connected to the control unit and outputs an alarm signal.

[0015] The beneficial effects of the above embodiment are: the control unit receives the liquid level signal from the pump station control station, controls the height of the platform mechanism, and enables the detection unit to follow the movement of the liquid surface to prevent the detection unit from being submerged in water, while improving the accuracy of detection, and outputs an alarm signal through the alarm unit, thereby reminding the management personnel, who take protective measures or leave the scene, reducing the probability of relevant personnel being affected by toxic and harmful gases.

[0016] Based on the above embodiments, the embodiments of the present application may also be improved as follows:

[0017] In one embodiment of the present application: the detection unit further includes: an outdoor protection box, a gas detection transmitter, the gas detection transmitter is installed in the outdoor protection box, the gas detection transmitter is connected to the detection sensor, and the alarm unit includes: an audible and visual alarm light, the audible and visual alarm light is installed on the outdoor protection box. The beneficial effect of this step: an alarm is issued when the toxic and harmful gas detected in the gas exceeds a threshold value by the audible and visual alarm light.

[0018] In one embodiment of the present application: the platform mechanism includes: a lifting platform; a rolling member, rotatably connected to the lifting platform, the rolling member rolling contact with the guide member, and the rolling member is used to guide the lifting platform to move along the guide member. The beneficial effect of this step: the movement is guided by the rolling member, thereby improving the smoothness and stability of the platform movement.

[0019] In one embodiment of the present application: the lifting unit comprises: a pulley assembly, and the pulley assembly connects the driving member to the platform mechanism through a steel wire rope. The beneficial effect of this step: the platform mechanism can move along the guide member through the cooperation of the pulley assembly and the driving member.

[0020] In one embodiment of the present application: the positioning mechanism includes: an upper limit sensor, installed at the upper end of the guide member, for detecting the position of the platform mechanism; a lower limit sensor, installed at the platform mechanism, and a limit portion is configured at the lower end of the guide member corresponding to the lower limit sensor. The beneficial effect of this step: the position of the platform mechanism is detected by the upper limit sensor and the lower limit sensor, and the position of the platform mechanism is controlled by the driving member.

[0021] In one embodiment of the present application: the lifting unit further comprises: a float switch installed at the lower end of the platform mechanism, the float switch is used to detect the liquid level in the regulating reservoir. Beneficial effect of this step: the float switch plays a protective role. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0023] Figure 1 It is a structural schematic diagram of a sewage detection device for a regulating storage tank;

[0024] Figure 2 This is a schematic diagram of the structure in which the rolling element is installed on the lifting platform;

[0025] Figure 3 It is a schematic diagram of the lifting unit structure.

[0026] Among them, 1 control unit;

[0027] 2 lifting unit, 201 guide member, 202 driving member, 203 lifting platform, 204 rolling member, 205 first wire reel, 206 second wire reel, 207 fixing seat, 208 power slip ring, 209 upper limit sensor, 210 lower limit sensor, 211 lower baffle, 212 float switch;

[0028] 3 detection unit, 301 detection sensor, 302 outdoor protection box;

[0029] 4 alarm units;

[0030] 5. Reservoir. DETAILED DESCRIPTION

[0031] In this application, unless otherwise clearly specified and limited, the terms in this application should be understood in a broad sense, such as connection can be fixed connection, detachable connection or integration, direct connection, or indirect connection through an intermediate medium; if it involves the electrical field, it can also be electrical connection or communication signal connection, etc. For ordinary technicians in this field, the specific meanings of different terms in this utility model can be understood according to specific circumstances, and the scope of the specific meaning should be limited to realizing the functions of this application.

[0032] like Figure 1As shown, a sewage detection device for a regulating storage tank comprises: a control unit 1, a lifting unit 2, a detection unit 3, and an alarm unit 4. The control unit 1 is connected to the on-site control station of the pump station by an electrical control signal, and the lifting unit 2 is connected to the control unit 1 by an electrical control signal. The lifting unit 2 comprises: a guide member 201, a platform mechanism, a driving member 202, and a positioning mechanism. The guide member 201 extends vertically into the regulating storage tank 5, and the platform mechanism is arranged on the guide member 201 for vertical movement. The driving member 202 is connected to the platform mechanism, and the driving member 202 is used to drive the platform mechanism to move. The positioning mechanism is arranged between the platform mechanism and the guide member 201, and the positioning mechanism is used to control the extreme position of the platform mechanism; the detection unit 3 is connected to the control unit 1 by an electrical control signal, and the detection unit 3 comprises: a detection sensor 301, and the detection sensor 301 is arranged on the platform mechanism, and the detection sensor 301 is used to detect the gas in the regulating storage tank 5. The alarm unit 4 is connected to the control unit 1 by an electrical control signal and outputs an alarm signal.

[0033] In some embodiments of the present application, the control unit 1 includes a PLC control station, which is connected to the electronic control signal of the PLC controller in the field control station of the pump station. The liquid level information in the regulating reservoir 5 is detected by the liquid level gauge of the pump station and transmitted to the field control station. The field control station then transmits the liquid level information to the PLC control station, and the PLC control station controls the height of the platform mechanism.

[0034] In some embodiments of the present application, Figure 1 As shown, the detection unit 3 also includes: an outdoor protection box 302, a gas detection transmitter, the gas detection transmitter is installed in the outdoor protection box 302, the gas detection transmitter is connected to the detection sensor 301 and the PLC control station, and the gas detection transmitter plays the role of transmitting the sensor value to the PLC; the alarm unit 4 includes: an audible and visual alarm light, the audible and visual alarm light is installed on the outdoor protection box 302, the audible and visual alarm light is connected to the PLC control station electrical control signal, and an alarm is issued when the toxic and harmful gas detected by the audible and visual alarm light exceeds the threshold.

[0035] In some embodiments of the present application, the detection sensor 301 unit includes a split-type gas online detector, which is a gas detector device in which the display head and the detection sensor 301 probe are independently separated. Its biggest functional feature is that an external extension tube can realize long-distance gas detection. The detection sensor 301 in the present application is the independent probe part of the split-type gas online detector. The split-type gas online detector is an existing equipment and can be purchased directly.

[0036] In some embodiments of the present application, Figure 1 , 2As shown, the platform mechanism includes: a lifting platform 203, a rolling member 204, the rolling member 204 is rotatably connected to the lifting platform 203, the rolling member 204 is in rolling contact with the guide member 201, and the rolling member 204 is used to guide the lifting platform 203 to move along the guide member 201. The movement is guided by the rolling member 204 to improve the smoothness and stability of the platform movement.

[0037] In some embodiments of the present application, Figure 1 , 2 As shown, the guide member 201 is a square cylinder, the lower end of the guide member 201 is connected to the bottom of the regulating reservoir 5, the upper end of the guide member 201 is connected to the pool wall through a bracket, the rolling member 204 is a roller, there are multiple rolling members 204 and a multi-layer structure is formed in the height direction, the rolling members 204 are arranged around the guide member 201, and a rolling limiting structure is formed around the guide member 201 through the rolling members 204, so that the lifting platform 203 can stably move along the guide member 201.

[0038] In some embodiments of the present application, Figure 1 , 3 As shown, the lifting unit 2 includes: a pulley assembly, which connects the driving member 202 to the platform mechanism through a steel wire rope, and the pulley assembly and the driving member 202 cooperate to realize the function of the platform mechanism moving along the guide member 201.

[0039] In some embodiments of the present application, Figure 1 , 3 As shown, the driving member 202 adopts an explosion-proof stepper motor, and the stepper motor is connected to the PLC control station through a stepper driver; the pulley assembly includes: a first wire reel 205, a second wire reel 206, a third reversing disc, and a fourth reversing disc. The first wire reel 205 and the second wire reel 206 are coaxially rotated and connected to a fixed seat 207 on the ground. The fixed seat 207 is installed in a stainless steel protection box. The first wire reel 205 and the second wire reel 206 are connected to the output shaft of the stepper motor. The output shaft of the stepper motor can also be connected to the first wire reel 205 and the second wire reel 206 through a reducer. A cable is wound around a winding drum 205, and a steel wire rope is wound around a second winding drum 206. The cable is connected to the electric control cabinet through an electric slip ring 208. The cable is used to transmit electric energy and signals to sensors and other equipment on the lifting platform 203. The third and fourth commutation disks are coaxially connected to the fixed seat 207. The cable is reversed downward through the third commutation disk, and the steel wire rope is reversed downward through the fourth commutation disk. The lower end of the steel wire rope is fixedly connected to the lifting platform 203. A control signal is sent through the PLC control station, and the stepper driver controls the operation of the stepper motor, thereby controlling the height of the lifting platform 203.

[0040] In some embodiments of the present application, Figure 1As shown, the positioning mechanism includes: an upper limit sensor 209 and a lower limit sensor 210. The upper limit sensor 209 is installed at the upper end of the guide member 201, and the upper limit sensor 209 is used to detect the position of the platform mechanism. The lower limit sensor 210 is installed on the platform mechanism. The lower end of the guide member 201 is configured with a limiting portion corresponding to the lower limit sensor 210. The limiting portion is a lower baffle 211 installed on the guide member 201. The upper limit sensor 209 and the lower limit sensor 210 both use proximity switches and transmit signals by cables. The position of the platform mechanism is detected by the upper limit sensor 209 and the lower limit sensor 210, thereby preventing the lifting platform 203 from moving to an excessively high or low position.

[0041] In some embodiments of the present application, Figure 1 As shown, the lifting unit 2 also includes: a float switch 212, which is installed at the lower end of the platform mechanism. The float switch 212 is used to detect the liquid level in the regulating reservoir 5. The float switch 212 transmits signals through cables. The float switch 212 plays a protective role to prevent the lifting platform 203 from being submerged in liquid.

[0042] When the sewage detection device for the regulating reservoir is in use, the PLC controller configured in the pump station receives the liquid level signal of the liquid level meter in the regulating reservoir 5, and converts the liquid level signal into an electrical signal and transmits it to the PLC control station. The PLC control station drives the stepper motor to work through the stepper driver, and the lifting platform 203 is driven by the wire rope to move with the liquid level, so that the lifting platform 203 is always above the liquid surface. The detection sensor 301 on the lifting platform 203 detects the content of toxic and harmful gases in the gas in real time, and converts the content into an electrical signal and transmits it to the PLC control station. When the content of toxic and harmful gases exceeds the threshold, the PLC control station sends a signal to the sound and light alarm light, and the sound and light alarm light sends a sound and light alarm signal to remind the management personnel to leave the on-site area to avoid the management personnel being affected by toxic and harmful gases.

[0043] The above are only embodiments of the utility model. The common sense such as the known specific structures and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field are aware of all the common technical knowledge in the technical field to which the utility model belongs before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement the scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for the ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A sewage detection device for a storage tank, characterized in that: include: The control unit is connected to the electrical control signal of the on-site control station of the pump station; The lifting unit is connected to the control unit by an electrical control signal and comprises: A guide member extends vertically into the storage tank; A platform mechanism, which moves vertically and is arranged on the guide member; A driving member, connected to the platform mechanism, and used to drive the platform mechanism to move; A positioning mechanism, disposed between the platform mechanism and the guide member, the positioning mechanism being used to control the extreme position of the platform mechanism; The detection unit is connected to the control unit with an electrical control signal, and comprises: A detection sensor is arranged on the platform mechanism, and is used to detect the gas in the regulating reservoir; The alarm unit is electrically connected to the control unit and outputs an alarm signal.

2. The storage tank sewage detection device according to claim 1 is characterized in that: The detection unit also includes: an outdoor protection box, a gas detection transmitter, the gas detection transmitter is installed in the outdoor protection box, the gas detection transmitter is connected to the detection sensor, and the alarm unit includes: an audible and visual alarm light, the audible and visual alarm light is installed on the outdoor protection box.

3. The storage tank sewage detection device according to claim 1 is characterized in that: The platform mechanism comprises: Lifting platform; A rolling member is rotatably connected to the lifting platform, the rolling member is in rolling contact with the guide member, and the rolling member is used to guide the lifting platform to move along the guide member.

4. The storage tank sewage detection device according to claim 1 is characterized in that: The lifting unit comprises: A pulley assembly connects the driving member to the platform mechanism via a steel wire rope.

5. The storage tank sewage detection device according to claim 1 is characterized in that: The positioning mechanism comprises: An upper limit sensor, installed at the upper end of the guide member, for detecting the position of the platform mechanism; A lower limit sensor is installed on the platform mechanism, and a limit portion is configured at the lower end of the guide member corresponding to the lower limit sensor.

6. The storage tank sewage detection device according to claim 1 is characterized in that: The lifting unit also includes: A float switch is installed at the lower end of the platform mechanism, and the float switch is used to detect the liquid level in the regulating tank.

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