CN112405866A - Concrete mixing transport vechicle churn intelligence thermostatic control device - Google Patents
Concrete mixing transport vechicle churn intelligence thermostatic control device Download PDFInfo
- Publication number
- CN112405866A CN112405866A CN202011257449.8A CN202011257449A CN112405866A CN 112405866 A CN112405866 A CN 112405866A CN 202011257449 A CN202011257449 A CN 202011257449A CN 112405866 A CN112405866 A CN 112405866A
- Authority
- CN
- China
- Prior art keywords
- box body
- closed box
- control device
- water
- mixing drum
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/46—Arrangements for applying super- or sub-atmospheric pressure during mixing; Arrangements for cooling or heating during mixing, e.g. by introducing vapour
- B28C5/466—Heating, e.g. using steam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
- B28C5/4203—Details; Accessories
- B28C5/4206—Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
- B28C5/422—Controlling or measuring devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses an intelligent constant temperature control device for a mixing drum of a concrete mixing transport vehicle, which comprises a closed box body, a water storage tank, a control device and a water pump, wherein the closed box body is provided with a water inlet and a water outlet; the closed box body is arranged outside the mixing drum, a gap is reserved between the closed box body and the mixing drum body, the bottom of the inner side of the closed box body is provided with a temperature sensor and a plurality of heating devices, the top of the inner side of the closed box body is provided with a temperature sensor and a humidity sensor and a plurality of nozzles, and the lower part of the inner wall of the closed box body is provided with a float switch; the water storage tank is arranged outside the closed box body, the top of the water storage tank is provided with a water filling port, the bottom of the water storage tank is communicated with the closed box body through a connecting pipe, and the connecting pipe is provided with a water replenishing valve; the water pump is arranged at the bottom of the closed box body and is communicated with the spray nozzles through a spray pipeline; the temperature and humidity sensor, the water pump, the float switch, the water replenishing valve and the heating device are respectively connected to the control device through lines. The invention mainly solves the problem that the concrete can not be kept at a constant temperature due to the temperature rise or the temperature drop of the concrete when the concrete is transported by the concrete mixing transport vehicle in the prior art.
Description
Technical Field
The invention belongs to the technical field of transportation equipment, and particularly relates to an intelligent constant temperature control device for a mixing drum of a concrete mixing transportation truck.
Background
The concrete mixer truck is a special vehicle for transporting concrete, is a special truck for transporting premixed concrete for construction, has a wide application range, and is generally called a river snail truck because of the appearance because all concrete structures at present transport concrete by using the concrete mixer truck, including buildings, roads, bridges, submarine tunnels and the like. The truck is equipped with the cylinder type churn and is used for carrying the concrete after mixing, can keep the churn to rotate throughout in the transportation, and the churn takes out automobile chassis's power through the power takeoff device to drive hydraulic system's variable pump turns into mechanical energy hydraulic pressure and can transmit the given volume motor, and the motor redrives the speed reducer, by speed reducer drive agitating unit, stirs the concrete.
Due to the particularity of concrete, the temperature of a concrete mixing drum needs to be kept constant in the whole process of transporting the concrete by the concrete mixer truck, particularly in winter or in cold climate areas, so that the requirement on the performance of the mixer truck is extremely high, and if a fault occurs, the concrete is easy to be condensed to cause the scrapping of a truck tank. At present, the traditional heat preservation mode for concrete in a concrete mixing truck is canvas heat preservation, but the mode has the defect that the temperature cannot be raised or lowered, and the quality of the concrete cannot be ensured when the temperature is raised or lowered.
Disclosure of Invention
The invention provides an intelligent constant temperature control device for a concrete mixing transport vehicle, aiming at the problem that the concrete cannot be kept constant temperature due to temperature rise or temperature drop when the concrete mixing transport vehicle transports the concrete in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention relates to an intelligent constant temperature control device for a mixing drum of a concrete mixing transport vehicle, which comprises a closed box body, a water storage tank, a control device and a water pump, wherein the closed box body is provided with a water inlet and a water outlet; the closed box body is arranged at the outer side of the mixing drum, a gap is reserved between the closed box body and the drum body of the mixing drum, the bottom of the inner side of the closed box body is provided with a temperature sensor and a plurality of heating devices, the top of the inner side of the closed box body is provided with a temperature sensor, a humidity sensor and a plurality of nozzles, and the lower part of the inner wall of the closed box body is provided with a floating ball switch; the water storage tank is arranged outside the closed box body, the top of the water storage tank is provided with a water filling port, the bottom of the water storage tank is communicated with the closed box body through a connecting pipe, and the connecting pipe is provided with a water replenishing valve; the water pump is arranged at the bottom of the closed box body and is communicated with the nozzles through spraying pipelines; the temperature sensor, the humidity sensor, the water pump, the float switch, the water replenishing valve and the heating device are respectively connected into the control device through lines.
As a further improvement of the technical solution, the control device comprises a controller and a display device; the display device, the temperature sensor, the humidity sensor, the water pump, the float switch, the water replenishing valve and the heating device are respectively connected to the controller through lines.
As a further improvement of the technical scheme, the lower part of the inner wall of the closed box body is provided with a liquid level meter, the bottom of the closed box body is provided with a drain pipe, and the drain pipe is provided with a drain valve; and the liquid meter and the drain valve are respectively connected into the controller through lines.
As a further improvement of the technical scheme, the two temperature sensors are respectively arranged at the central positions of the top and the bottom of the inner side of the closed box body.
As a further improvement of the technical scheme, the two heating devices are respectively and symmetrically arranged at the bottom of the inner side of the closed box body.
As a further improvement of the technical scheme, the two nozzles are respectively and symmetrically arranged at the top of the inner side of the closed box body.
As a further improvement of the technical scheme, the air-conditioning device is also included and is connected with the closed box body through a pipeline and is connected into the control device through a line.
As a further improvement of the technical scheme, the bottom of the water storage tank is higher than the height of the liquid level meter.
As a further improvement of the technical scheme, the installation and setting height of the float switch is between the height of the bottom of the mixing drum and the height of the connecting pipe.
As a further improvement of the technical scheme, the installation height of the liquid level meter is between the height of the bottom of the mixing drum and the height of the connecting pipe.
When the water pump is used, water is added into the water storage tank through the water adding port, then the water in the water storage tank is injected into the closed box body through the connecting pipe, a certain water body is formed at the bottom of the closed box body, the water level is slightly higher than the bottom of the cylinder body of the stirring cylinder, and the water pump is arranged in the water body; when concrete is transported in the mixing drum, the two temperature sensors respectively measure the temperature of water at the bottom in the closed box body and the temperature of the gap at the top, and transmitting the result to the controller, the humidity sensor is used for measuring the humidity of the top space of the closed box body and transmitting the result to the controller, the controller displays the result through the display device, meanwhile, the controller compares the temperature measured by the temperature sensor and the humidity sensor with the normal temperature set in the controller, when the temperature is reduced, the controller controls the heating device or the air conditioning device to heat the closed box body, when the temperature rises, the controller controls the air conditioning device to cool and/or controls the water pump to pump water and spray through the nozzle to cool, when the humidity in the closed box body is abnormal, the controller controls the air conditioning device and/or pumps water through the water pump to the spray nozzle for spraying so as to change the humidity in the closed box body; in addition, when the water quantity at the bottom of the closed box body is reduced, the float switch is triggered, a signal is transmitted to the controller, the controller controls the water replenishing valve to be opened, water is filled into the closed box body, when the water quantity reaches the set liquid level when the float switch is installed, the float switch is triggered again, the signal is transmitted to the controller, the controller closes the water replenishing valve, and water filling is stopped; the invention can also be provided with a liquid level meter, when the water quantity is reduced, the liquid level meter also transmits a signal to the controller, the controller compares the value detected by the liquid level meter with the value detected by the liquid level meter according to the set liquid level value and combines the value with the information of the float switch to control the water replenishing valve, when the float switch has a fault, the water can be timely replenished to the closed box body according to the signal of the liquid level meter, when the value of the liquid level meter is greater than the value set in the controller, the water quantity in the closed box body is increased, and the controller can open the drain valve on the drain pipe to drain water to the set liquid level.
Compared with the prior art, the invention has the beneficial effects that:
(1) the intelligent constant temperature control device for the concrete mixing transport vehicle is novel in design and reasonable in structure, and can effectively ensure the temperature of concrete in the concrete transportation process;
(2) according to the invention, the sealing box body is arranged at the outer side of the mixing drum, so that the heat-preservation and moisture-preservation effects in the box body can be effectively ensured, and the influence of the outside on the temperature of concrete in the mixing drum in the box body is isolated to a large extent;
(3) according to the invention, the temperature and humidity sensors, the heating device, the nozzle, the water pump, the control device and the like are arranged in the closed box body, so that the change of the temperature and the humidity in the closed box body can be effectively controlled, and measures can be taken in time to control the temperature and the humidity;
(4) the medium for heat preservation is water, so that the energy is saved and the environment is protected.
Drawings
FIG. 1 is a schematic structural diagram of an intelligent thermostatic control device of a concrete mixing truck according to the invention;
FIG. 2 is a schematic diagram of the connection of various components of the present invention to a controller;
in the figure: 1. the device comprises a closed box body, 2, a temperature sensor, 3, a humidity sensor, 4, a nozzle, 5, a water storage tank, 51, a water filling port, 6, a heating device, 7, a control device, 71, a controller, 72, a display device, 8, an air conditioning device, 9, a mixing drum, 10, a connecting pipe, 11, a liquid level meter, 12, a float switch, 13, a drain pipe, 14, a drain valve, 15, a water replenishing valve, 16, a water pump, 17 and a spraying pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to an intelligent constant temperature control device for a mixing drum of a concrete mixing transport vehicle, wherein the concrete mixing transport vehicle is provided with the mixing drum 9 for loading concrete, and the intelligent constant temperature control device is characterized by comprising a closed box body 1, a water storage tank 5, a control device 7 and a water pump 16; the closed box body 1 is cuboid and is matched with the stirring cylinder 9, is arranged outside the stirring cylinder 9, and has a gap with the cylinder body of the stirring cylinder 9 to form a space, wherein tap water is injected into the bottom of the space, and a certain water body can be formed at the bottom of the space; the bottom of the inner side of the closed box body 1 is provided with a temperature sensor 2 and a plurality of heating devices 6, after tap water is injected into the bottom of the closed box body 1, the temperature sensor 2 is used for detecting the temperature of the tap water, and the heating devices 6 are used for heating when the water temperature is reduced; the top of the inner side of the closed box body 1 is provided with a temperature sensor 2, a humidity sensor 3 and a plurality of nozzles 4, the temperature sensor 2 and the humidity sensor 3 are used for detecting the temperature and the humidity of the upper part of a space, and the nozzles 4 are used for spraying in the closed box body 1 when the temperature is increased and/or the humidity is low; a float switch 12 is arranged at the lower part of the inner wall of the closed box body 1 and is used for leading the water storage tank 5 to inject water into the closed box body 1 when the water quantity in the closed box body 1 is reduced; the water storage tank 5 is arranged outside the closed box body 1, the top of the water storage tank is provided with a water filling port, the bottom of the water storage tank is communicated with the closed box body 1 through a connecting pipe 10, and the connecting pipe 10 is provided with a water replenishing valve 15; the water pump 16 is arranged at the bottom of the closed box body 1 and is communicated with the nozzles 4 through the spray pipeline 17, and when the nozzles 4 need to be sprayed, the water body at the bottom of the closed box body 1 is pumped by the water pump 16 and is sent to each nozzle 4 through the spray pipeline 17; the temperature sensor 2, the humidity sensor 3, the water pump 16, the float switch 12, the water replenishing valve 15 and the heating device 6 are respectively connected to the control device 7 through circuits, and the control device 7 receives data of the sensors and the float switch 12 and controls the heating device 6, the water pump 16 and the like. In this embodiment, an air conditioner 8 may be further provided, the air conditioner 8 is connected to the enclosure 1 through a pipeline, and meanwhile, the air conditioner 8 is connected to the control device 7 through a line, and the air conditioner 8 can refrigerate or heat, and adjusts the temperature in the enclosure 1 together with the heating device 6 and the nozzle 4 in the enclosure 1.
When the water-heating device is used, tap water is added into the water storage tank 5 through the water adding port 51, then the water in the water storage tank 5 is injected into the closed box body 1 through the connecting pipe 10, a certain water body is formed at the bottom of the closed box body 1, the water pump 16 is placed in the water body, the liquid level is slightly higher than the bottom of the cylinder body of the stirring cylinder 9, and heat is conveniently transferred into concrete in the stirring cylinder 9 when the water in the closed box body 1 is heated; when concrete is transported in the mixing drum 9, the two temperature sensors 2 respectively measure the temperature of water at the bottom in the closed box body 1 and the temperature of a gap at the top, and transmit the results to the control device 7, the humidity sensor 3 is used for measuring the humidity of the top space of the closed box body 1 and transmitting the results to the control device 7, the control device 7 compares the temperature and the humidity measured by each temperature sensor 2 and each humidity sensor 3 with the normal temperature set in the controller, when the temperature of the closed box body 1 is reduced, the control device 7 controls the heating device 6 and/or the air conditioning device 8 to heat the closed box body 1, when the temperature of the closed box body 1 is increased, the control device 7 controls the air conditioning device 8 to refrigerate the closed box body 1, and simultaneously controls the water pump 16 to be started to send the water at the bottom of the closed box body 1 to each nozzle 4 for spraying through the spraying pipeline 17, the temperature of the water body is consistent with that of the upper space, when the humidity in the closed box body 1 is abnormal, the control device 7 controls the water pump 16 to pump water at the bottom of the closed box body 1 and send the water to each nozzle 4 for spraying and/or changes the humidity in the closed box body 1 through the air conditioning device 8.
In this embodiment, when the amount of water at the bottom of the closed box 1 decreases, the float switch 12 is triggered to transmit a signal to the control device 7, the control device 7 controls the water replenishing valve 15 to open, water is filled into the closed box 1, when the amount of water reaches the liquid level set when the float switch 12 is installed, the float switch 12 is triggered again to transmit a signal to the control device 7, and the control device 7 closes the water replenishing valve 15 to stop the water filling.
In this embodiment, the float switch 12 may also be directly connected to the water replenishing valve 15 through a line, and directly controls the water storage tank 5 to fill water into the airtight box 1 according to the change of the liquid level.
In the present embodiment, the control device 7 includes a controller 71 and a display device 72; the display device 72, the temperature sensor 2, the humidity sensor 3, the water pump 16, the water replenishing valve 15, the float switch 12 and the heating device 6 are respectively connected to the controller 71 through circuits; the lower part of the inner wall of the closed box body 1 is also provided with a liquid level meter 11, the bottom of the closed box body is provided with a drain pipe 13, and the drain pipe 13 is provided with a drain valve 14; the liquid meter 11 and the drain valve 14 are respectively connected to the controller 71 through lines. In this embodiment, the display device 72 may be a display screen or a touch screen for displaying the values of the temperature and humidity sensors 1 and 3 and the liquid level meter 11, and the drain pipe 13 may be used for draining water in the liquid level over-high period or draining water inside the sealed box 1 when the sealed box 1 is maintained. When the device is applied, when the water amount in the closed box body 1 is reduced, the liquid level meter 11 also transmits a signal to the controller 71, the controller 71 compares the value detected by the liquid level meter 11 with the value detected by the controller 71 according to a set normal level value, and combines with information of the float switch 12 to control the water replenishing valve 15, when the float switch 12 breaks down, the water can be timely replenished to the closed box body 1 according to the signal of the liquid level meter 11, when the value of the liquid level meter 11 is greater than the set normal value in the controller, the water amount in the closed box body 1 is increased, and the controller 71 can open the drain valve 14 on the drain pipe 13 to drain water to the set liquid level.
In this embodiment, in order to make the temperature and humidity detection values in the enclosure 1 more accurate, the two temperature sensors 2 are respectively disposed at the central positions of the top and the bottom of the inside of the enclosure 1.
In order to make heating effect and cooling effect etc. better, heating device 6 is two, and the symmetry installation sets up in airtight box 1 inboard bottom respectively. The two nozzles 4 are respectively and symmetrically arranged at the top of the inner side of the closed box body 1.
In this embodiment, the bottom of the water storage tank 5 is higher than the level meter 11, so that tap water can be injected into the airtight box 1 without power.
In this embodiment, the float switch 5 is installed at a height between the bottom of the mixing drum 9 and the connecting pipe 10.
In this embodiment, the installation height of the liquid level meter 11 is between the height of the bottom of the mixing drum 9 and the height of the connecting pipe 10.
Claims (10)
1. An intelligent constant temperature control device for a mixing drum of a concrete mixing transport vehicle is characterized by comprising a closed box body (1), a water storage tank (5), a control device (7) and a water pump (16); the closed box body (1) is arranged at the outer side of the stirring cylinder (9), a gap is reserved between the closed box body and the cylinder body of the stirring cylinder (9), the bottom of the inner side of the closed box body is provided with a temperature sensor (2) and a plurality of heating devices (6), the top of the inner side of the closed box body is provided with the temperature sensor (2), a humidity sensor (3) and a plurality of nozzles (4), and the lower part of the inner wall of the closed box body is provided with a floating ball switch (12); the water storage tank (5) is arranged on the outer side of the closed box body (1), the top of the water storage tank is provided with a water filling port (51), the bottom of the water storage tank is communicated with the closed box body (1) through a connecting pipe (10), and the connecting pipe (10) is provided with a water replenishing valve (15); the water pump (16) is arranged at the bottom of the closed box body (1) and is communicated with the nozzle (4) through a spraying pipeline (17); the temperature sensor (2), the humidity sensor (3), the water pump (16), the floating ball switch (12), the water replenishing valve (15) and the heating device (6) are respectively connected to the control device (7) through lines.
2. The intelligent thermostatic control device for a mixing drum of a concrete mixing truck according to claim 1, characterized in that the control device (7) comprises a controller (71) and a display device (72); the display device (72), the temperature sensor (2), the humidity sensor (3), the water pump (16), the water replenishing valve (15), the floating ball switch (12) and the heating device (6) are respectively connected to the controller (71) through lines.
3. The intelligent thermostatic control device for the mixing drum of the concrete mixing transport vehicle according to claim 3 is characterized in that a liquid level meter (11) is arranged at the lower part of the inner wall of the closed box body (1), a drain pipe (13) is arranged at the bottom of the closed box body, and a drain valve (14) is arranged on the drain pipe (13); the liquid meter (11) and the drain valve (14) are respectively connected to the controller (71) through lines.
4. The intelligent thermostatic control device for the mixing drum of the concrete mixing transport vehicle according to any one of claims 1-3, characterized in that the two temperature sensors (2) are respectively arranged at the central positions of the top and the bottom of the inner side of the closed box body (1).
5. The intelligent thermostatic control device for the mixing drum of the concrete mixing transport vehicle according to any one of claims 1-3, characterized in that two heating devices (6) are symmetrically arranged at the bottom of the inner side of the closed box body (1).
6. The intelligent thermostatic control device for the mixing drum of the concrete mixing transport vehicle according to any one of claims 1-3, characterized in that two nozzles (4) are symmetrically arranged at the top of the inner side of the closed box body (1).
7. The intelligent thermostatic control device for the mixing drum of the concrete mixing truck according to any one of claims 1-3, characterized by further comprising an air conditioning device (8), wherein the air conditioning device (8) is connected with the closed box body (1) through a pipeline and is connected into the control device (7) through a pipeline.
8. The intelligent thermostatic control device for the mixing drum of the concrete mixing truck according to any one of claims 1-3, characterized in that the bottom of the water storage tank (5) is higher than the height of the liquid level meter (11).
9. The intelligent thermostatic control device for the mixing drum of the concrete mixing truck as claimed in claim 1, characterized in that the float switch (5) is installed at a height between the bottom height of the mixing drum (9) and the height of the connecting pipe (10).
10. The concrete mixer truck mixing drum intelligent thermostatic control device according to claim 3, characterized in that the installation height of the liquid level meter (11) is between the height of the bottom of the mixing drum (9) and the height of the connecting pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257449.8A CN112405866A (en) | 2020-11-12 | 2020-11-12 | Concrete mixing transport vechicle churn intelligence thermostatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257449.8A CN112405866A (en) | 2020-11-12 | 2020-11-12 | Concrete mixing transport vechicle churn intelligence thermostatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112405866A true CN112405866A (en) | 2021-02-26 |
Family
ID=74781729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011257449.8A Pending CN112405866A (en) | 2020-11-12 | 2020-11-12 | Concrete mixing transport vechicle churn intelligence thermostatic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112405866A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500698A (en) * | 2021-05-26 | 2021-10-15 | 天应(深圳)生态建材科技有限公司 | Light early-strength magnesium-based cement concrete mixing equipment and application thereof |
| CN113681720A (en) * | 2021-09-01 | 2021-11-23 | 赖柯霓 | Intelligent monitoring method, system and device for concrete mixer truck |
| CN113799264A (en) * | 2021-10-11 | 2021-12-17 | 山东万事达专用汽车制造有限公司 | Concrete mixer truck capable of detecting and preventing condensation in real time |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213259A (en) * | 1991-09-30 | 1993-05-25 | Stouffer William D | Paint booth humidity and temperature control system |
| CN205650225U (en) * | 2016-04-21 | 2016-10-19 | 安徽绿洲技术服务有限公司 | Automatic moisturizing thermostatted water bath cabinet |
| CN207473426U (en) * | 2017-12-01 | 2018-06-08 | 北京福斯汽车电线有限公司 | Constant temperature humidity chamber automatic water-replenishing device |
| CN109533690A (en) * | 2018-11-14 | 2019-03-29 | 杭州江润科技有限公司 | Commerical ready-mixed concrete transport vehicle state of charge monitoring system and its cooling operating method |
| CN210758382U (en) * | 2019-09-25 | 2020-06-16 | 中国水利水电第七工程局有限公司 | Circulation type constant temperature and humidity device convenient to automatic moisturizing |
| CN211886913U (en) * | 2019-12-28 | 2020-11-10 | 珠海科量检测技术有限公司 | Constant-temperature water bath kettle |
-
2020
- 2020-11-12 CN CN202011257449.8A patent/CN112405866A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213259A (en) * | 1991-09-30 | 1993-05-25 | Stouffer William D | Paint booth humidity and temperature control system |
| CN205650225U (en) * | 2016-04-21 | 2016-10-19 | 安徽绿洲技术服务有限公司 | Automatic moisturizing thermostatted water bath cabinet |
| CN207473426U (en) * | 2017-12-01 | 2018-06-08 | 北京福斯汽车电线有限公司 | Constant temperature humidity chamber automatic water-replenishing device |
| CN109533690A (en) * | 2018-11-14 | 2019-03-29 | 杭州江润科技有限公司 | Commerical ready-mixed concrete transport vehicle state of charge monitoring system and its cooling operating method |
| CN210758382U (en) * | 2019-09-25 | 2020-06-16 | 中国水利水电第七工程局有限公司 | Circulation type constant temperature and humidity device convenient to automatic moisturizing |
| CN211886913U (en) * | 2019-12-28 | 2020-11-10 | 珠海科量检测技术有限公司 | Constant-temperature water bath kettle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500698A (en) * | 2021-05-26 | 2021-10-15 | 天应(深圳)生态建材科技有限公司 | Light early-strength magnesium-based cement concrete mixing equipment and application thereof |
| CN113681720A (en) * | 2021-09-01 | 2021-11-23 | 赖柯霓 | Intelligent monitoring method, system and device for concrete mixer truck |
| CN113799264A (en) * | 2021-10-11 | 2021-12-17 | 山东万事达专用汽车制造有限公司 | Concrete mixer truck capable of detecting and preventing condensation in real time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112405866A (en) | Concrete mixing transport vechicle churn intelligence thermostatic control device | |
| CN107271639B (en) | Underground water simulation system and method | |
| CN109556900B (en) | Simulation test device and test system for crystal blockage in tunnel drain pipe | |
| CN109621255B (en) | Outdoor antifreezing wet fire hydrant for low-temperature environment ship | |
| KR20190110734A (en) | Closed expansion tank and auto pressure control type water cooling system for transformer | |
| CN103737725A (en) | Quality control device in concrete transportation process | |
| CN107196012A (en) | A kind of cold and hot fluid circulation for electrokinetic cell bench test | |
| CN102316709A (en) | Vehicle-mounted high-power liquid cooling equipment | |
| CN203994237U (en) | Quality control package in concrete transportation process | |
| CN209865081U (en) | Open-air anti-freezing wet fire hydrant for low-temperature environment ship | |
| CN206410384U (en) | A kind of low temperature unit secondary refrigerant concentration on-line detecting system | |
| CN105183014B (en) | Intelligent fuel manages system and its operating method | |
| CN206356001U (en) | A kind of water circuit system of constant temperature humidity chamber | |
| CN206430788U (en) | Magnetic double level gauge | |
| CN106535555A (en) | Air conditioner system of electronic device | |
| CN112629897B (en) | Model test system for mechanical properties of tunnel lining under action of train pneumatic load | |
| CN111750408B (en) | Anti-icing accuse temperature water charging system | |
| CN205537295U (en) | Cooling water minimum temperature automatic control device | |
| CN208537371U (en) | The corrosive liquid temperature control equipment of liner structure accelerated corrosion test | |
| CN111307478B (en) | Online simulation detection platform of water ground source heat pump unit | |
| CN210121460U (en) | Automatic liquid level keeping device with stirring shaft liquid seal structure and equipment with stirring shaft | |
| CN215702880U (en) | Constant temperature control device of foaming system | |
| CN218914580U (en) | Leak protection detecting system based on foaming agent for refrigerator and freezer | |
| CN219033388U (en) | Automatic water supply control system for large-scale evaporation observation | |
| CN205027406U (en) | Frostproofing liquid level meter of self -supporting formula and container thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210226 |