Multi-parameter detection sensor with insulation and heat insulation functions

Abstract

The utility model belongs to the technical field of sensors, and particularly discloses a multi-parameter detection sensor with insulation and heat insulation functions, which comprises a first shell, a second shell, an adapter, a temperature sensor, an oil pressure sensor and a circuit board. The multi-parameter detection sensor can detect various parameters such as temperature and oil pressure of hydraulic oil in hydraulic equipment, is compact in structure and convenient to operate, only needs one mounting interface to be connected with the hydraulic equipment, does not need to reserve a plurality of sensor mounting interfaces on the hydraulic equipment to be detected, is favorable for reducing the cost, and is suitable for popularization and application. The overall stability of the hydraulic system is improved. Besides, the multi-parameter detection sensor is further provided with the adapter made of insulating heat insulation materials, interference and breakdown risks caused by direct contact between the sensor and hydraulic equipment can be avoided, heat transfer of the sensor shell is effectively isolated, and the service life of the sensor shell is prolonged. Accuracy of detection data of the temperature sensor, the oil pressure sensor and the like is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sensor technical field relates to a kind of multi-parameter detection sensors with insulating and heat insulating function. BACKGROUND

[0002] Under the background of intelligent and big data era, the detection demand of hydraulic system is increasingly complex, and it is required to detect the temperature, oil pressure and other parameters of hydraulic oil in hydraulic equipment in real time. However, the traditional sensor is usually designed independently, such as oil pressure sensor and temperature sensor are independent individuals, and only have single parameter detection function. Therefore, when using traditional sensor for multi-parameter detection, it is usually necessary to reserve multiple interfaces on the hydraulic equipment to be detected to meet the installation requirements of different sensors. With more and more processing interfaces, not only the complexity of installation process is increased, but also the pressure maintaining effect of hydraulic equipment is adversely affected, and even the overall performance of hydraulic system may be reduced.

[0003] In addition, the existing sensor is usually installed on the shell of the hydraulic equipment, and is connected by direct access. This connection method is easily affected by the leakage of surrounding equipment and other harmonic interference. Not only the sensor data is easily disturbed, but also there is a risk of leakage breakdown, which affects the service life of the sensor, and even may cause damage to the sensor. In addition, most of the existing sensors lack real-time parameter display function, and cannot intuitively and real-time view the detection data, and still need to rely on external equipment for data visualization.

[0004] Therefore, it is urgent to propose a new multi-parameter detection sensor to solve the above technical problems in the prior art. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a kind of multi-parameter detection sensor with insulating and heat insulating function, which is suitable for the detection of multiple parameters in hydraulic system. Only one installation interface needs to be reserved on the hydraulic equipment to be detected, and the adapter made of insulating and heat insulating material is used for isolation, to avoid the disadvantages caused by direct access of the sensor to the hydraulic equipment.

[0006] The utility model adopts the following technical solutions to achieve the above purpose:

[0007] A kind of multi-parameter detection sensor with insulating and heat insulating function, comprising first shell, second shell, adapter, temperature sensor and oil pressure sensor;

[0008] The first shell is used to connect the hydraulic equipment to be detected, and the first flow passage is formed in the first shell, and the first flow passage is communicated with the oil cavity of the hydraulic equipment.

[0009] The first shell and the second shell are connected through an adapter made of insulating and heat insulating material, and the adapter is provided with a second flow channel communicating with the first flow channel;

[0010] The second shell is provided with a third flow channel communicating with the second flow channel, and the temperature sensor and the oil pressure sensor are arranged in the third flow channel;

[0011] The second shell is further provided with a circuit board electrically connected with the temperature sensor and the oil pressure sensor.

[0012] Preferably, the third flow channel has at least two, and the temperature sensor and the oil pressure sensor are arranged in different third flow channels.

[0013] Preferably, the second shell is further provided with an operation panel electrically connected with the circuit board.

[0014] Preferably, the third flow channel is further provided with an oil quality sensor, and the circuit board is electrically connected with the oil quality sensor.

[0015] Preferably, a first buffer groove is arranged between the first flow channel and the second flow channel, and a second buffer groove is arranged between the second flow channel and the third flow channel.

[0016] Preferably, the adapter is a nylon adapter or a ceramic adapter.

[0017] Preferably, the temperature sensor is a thermocouple sensor or a platinum resistance temperature sensor.

[0018] Preferably, the second shell is provided with a wire outlet.

[0019] Preferably, the first shell and the second shell are provided with external threads, and the adapter is provided with internal threads matched with the external threads.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] As described above, the utility model discloses a kind of multi-parameter detection sensors with insulating and heat insulating function, which can detect the temperature, oil pressure and other multiple parameters of hydraulic oil in hydraulic equipment, compact structure, convenient operation, and hydraulic equipment only needs to be connected with the multi-parameter detection sensor through one interface, without reserving multiple sensor installation interfaces on the hydraulic equipment to be detected, it is beneficial to reduce cost, improve the stability of overall hydraulic system.In addition, the multi-parameter detection sensor with insulating and heat insulating function of the utility model is further provided with the adapter made of insulating and heat insulating material, can avoid the interference and breakdown risk caused by the direct contact of sensor and hydraulic equipment, effectively isolate the heat transfer of sensor shell at the same time, ensure the accuracy of the data detected by sensor. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows.

[0023] Figure 1 is a sectional view of the multi-parameter detection sensor in the embodiments of the present application;

[0024] Figure 2 is a front view of the multi-parameter detection sensor in the embodiments of the present application;

[0025] Figure 3 is a perspective view of the multi-parameter detection sensor in the embodiments of the present application;

[0026] Figure 4 is a top view of the multi-parameter detection sensor in the embodiments of the present application;

[0027] Figure 5 is a use state diagram of the multi-parameter detection sensor in the embodiments of the present application.

[0028] Wherein, 0-hydraulic station, 1-first shell, 11-first flow channel, 2-second shell, 21-third flow channel, 3-adaptor, 31-second flow channel, 4-temperature sensor, 5-oil pressure sensor, 6-circuit board, 7-outlet, 8-first buffer groove, 9-second buffer groove, 10-operation panel. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0030] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0032] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0033] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0035] Example:

[0036] like Figures 1 to 5 As shown, in this embodiment, a multi-parameter detection sensor with insulation and heat insulation functions includes a first housing 1, a second housing 2, an adapter 3, a temperature sensor 4, and an oil pressure sensor 5.

[0037] In this embodiment, the first housing 1 is used to connect the hydraulic equipment to be tested. Taking hydraulic station 0 as an example, the first housing 1 is used to connect to hydraulic station 0, and the first housing 1 and the second housing 2 are connected via an adapter 3. To ensure the sealing between the first housing 1, the adapter 3, and the second housing 2, external threads are provided on the first housing 1 and the second housing 2, and internal threads that mate with the external threads are provided on the adapter 3. Specifically, as shown in... Figure 1 In the indicated direction, the external thread at the lower end of the first housing 1 mates with the internal thread at the upper end of the adapter 3, and a screw is used to further connect the first housing 1 and the adapter 3. Similarly, the external thread at the upper end of the second housing 2 mates with the internal thread at the lower end of the adapter 3, and a screw is used for further reinforcement.

[0038] The first shell 1 is provided with a first flow channel 11, the first flow channel 11 is communicated with the oil cavity of the hydraulic station 0, the adapter 3 is provided with a second flow channel 31 communicated with the first flow channel 11, and the second shell 2 is provided with a third flow channel 21 communicated with the second flow channel 31. In order to avoid the obstruction of hydraulic oil flow, the first flow channel 11 and the second flow channel 31 are provided with a first buffer groove 8, and the second flow channel 31 and the third flow channel 21 are provided with a second buffer groove 9. Since the hydraulic station 0 has pressure and is pressure maintaining, after the multi-parameter detection sensor is installed on the interface reserved by the hydraulic station 0, the hydraulic oil will flow into the first flow channel 11 provided in the first shell 1 from the oil cavity of the hydraulic station 0, pass through the first buffer groove 8 to the second flow channel 31 of the adapter 3, then pass through the second buffer groove 9, and finally reach the third flow channel 21.

[0039] The temperature sensor 4 and the oil pressure sensor 5 are arranged in the third flow channel 21, and in the embodiment, the temperature sensor 4 preferably adopts a thermocouple sensor or a platinum resistance temperature sensor, and the output of the oil pressure sensor 5 is a current signal of 4mA to 20mA.

[0040] In order to avoid the problems caused by directly connecting the sensor to the hydraulic station 0, the adapter 3 is made of insulating and heat insulating material, and preferably adopts a nylon adapter or a ceramic adapter. The temperature sensor 4 and the oil pressure sensor 5 are isolated from the hydraulic station 0 through the sealed adapter 3, have good anti-interference ability, can effectively avoid the risk of sensor data interference and electric breakdown, and isolate the heat transfer of the sensor shell, thereby prolonging the service life of the sensor and ensuring the accuracy of the detection data of the temperature sensor 4 and the oil pressure sensor 5.

[0041] In addition, the number of the third flow channels 21 is preferably two, and the temperature sensor 4 and the oil pressure sensor 5 are arranged in different third flow channels 21, which can better avoid interference. In the embodiment, the number of the first flow channel 11, the second flow channel 31 and the third flow channel 21 is one-to-one and is set to two, and of course the first flow channel 11, the second flow channel 31 and the third flow channel 21 can also be set to different numbers respectively.

[0042] In the embodiment, the second shell 2 is further provided with a circuit board 6, the circuit board 6 is electrically connected with the temperature sensor 4 and the oil pressure sensor 5 respectively, the second shell 2 is provided with a wire outlet 7 for signal lines to pass through, which is used for transmitting temperature and pressure data transmission, can support MODBUS RTU communication, makes the data open, and can also be used for joint control with the upper level equipment.

[0043] In addition, the third flow channel 21 can be provided with an oil quality sensor, and the circuit board 6 is electrically connected with the oil quality sensor. The oil quality sensor is preferably a JWF2 type oil quality sensor, which can continuously and on-line detect the quality index of the hydraulic oil in real time.

[0044] For the convenience of the operator, the second shell 2 is further provided with an operation panel 10 electrically connected with the circuit board 6. The operation panel 10 is used for displaying the temperature value and the oil pressure value in real time, and is further provided with up, down, left, right and confirmation buttons, which can be used for setting the communication parameters and the alarm parameters, such as the station address, the baud rate, the parity check, etc., and can also be used for setting the temperature and the oil pressure alarm threshold, so as to link with the superior equipment.

[0045] In the embodiment, the use process of the multi-parameter detection sensor with the insulation and heat insulation functions is as follows:

[0046] The multi-parameter detection sensor with the insulation and heat insulation functions is installed at the reserved interface of the hydraulic equipment to be detected. In the embodiment, the first shell 1 is connected with the hydraulic station 0, at this time, the first flow channel 11 is communicated with the oil cavity of the hydraulic station 0, the hydraulic oil enters the first buffer groove 8 through the first flow channel 11, and then is insulated and isolated in temperature through the second flow channel 31 of the adapter 3, and then flows into the second buffer groove 9, and finally enters the third flow channel 21. The temperature sensor 4, the oil pressure sensor 5 and the like provided in the third flow channel 21 detect the multiple parameters of the hydraulic oil, and send the temperature value and the oil pressure value and the like to the circuit board 6, and then are transmitted to the operation panel 10 for display. The signal line led out at the outlet can also transmit the multiple parameter detection results to the superior equipment.

[0047] The embodiment has been described in detail in combination with the drawings. According to the above description, those skilled in the art should have a clear understanding of the multi-parameter detection sensor with the insulation and heat insulation functions of the utility model. The multi-parameter detection sensor of the utility model adopts the integrated design of the pressure and temperature sensors, is mainly applied to the hydraulic tensioning, hydraulic braking and the like of the belt conveyor in the field of hydraulic transmission, and is used for detecting the pressure and temperature and the like of the hydraulic oil in the hydraulic equipment, and has the functions of insulation with the shell of the hydraulic equipment and heat insulation with the hydraulic oil. The multi-parameter detection sensor has the advantages of compact structure, convenient operation, and the like, and only needs to be connected with the hydraulic equipment through one interface, without the need of reserving multiple sensor installation interfaces on the hydraulic equipment to be detected, which is favorable for reducing the cost and improving the stability of the whole hydraulic system. In addition, the multi-parameter detection sensor of the utility model is further provided with the adapter 3 made of the insulation and heat insulation material, which can avoid the interference and the breakdown risk caused by the direct contact between the sensor and the hydraulic equipment, effectively insulates the heat transfer of the sensor shell, and ensures the accuracy of the detected data of the temperature sensor 4 and the oil pressure sensor 5 and the like.

[0048] Of course, the above only describes the preferred embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation or direct / indirect application in other related technical fields under the inventive concept of the present application is included in the patent protection scope of the present application and should be protected by the present application.

Claims

1. A multi-parameter detecting sensor having an insulating and heat- insulating function, characterized in that, The application relates to a multi-parameter detection sensor with an insulation and heat insulation function, which comprises a first shell, a second shell, an adapter, a temperature sensor and an oil pressure sensor. The first shell is used for connecting a hydraulic device to be detected, a first flow passage is arranged in the first shell, and the first flow passage is communicated with an oil cavity of the hydraulic device. The first shell and the second shell are connected through the adapter, the adapter is made of an insulation and heat insulation material, a second flow passage communicated with the first flow passage is arranged in the adapter. A third flow passage communicated with the second flow passage is arranged in the second shell, and the temperature sensor and the oil pressure sensor are arranged in the third flow passage. A circuit board is further arranged in the second shell, and the circuit board is electrically connected with the temperature sensor and the oil pressure sensor.

2. The multi-parameter detection sensor with an insulation and heat insulation function according to claim 1, wherein the third flow passage is at least two, and the temperature sensor and the oil pressure sensor are arranged in different third flow passages.

3. The multi-parameter detection sensor with an insulation and heat insulation function according to claim 1, wherein an operation panel electrically connected with the circuit board is further arranged on the second shell.

4. The multi-parameter detection sensor with an insulation and heat insulation function according to claim 1, wherein an oil quality sensor is further arranged in the third flow passage, and the circuit board is electrically connected with the oil quality sensor.

5. The multi-parameter detection sensor with an insulation and heat insulation function according to claim 1, wherein a first buffer groove is arranged between the first flow passage and the second flow passage, and a second buffer groove is arranged between the second flow passage and the third flow passage.

6. The multi-parameter detection sensor with an insulation and heat insulation function according to claim 1, wherein the adapter is a nylon adapter or a ceramic adapter.

7. The multi-parameter detection sensor with an insulation and heat insulation function according to claim 1, wherein the temperature sensor is a thermocouple sensor or a platinum resistance temperature sensor.

8. The multi-parameter detection sensor with an insulation and heat insulation function according to claim 1, wherein a wire outlet is arranged on the second shell.

9. The multi-parameter detection sensor with an insulation and heat insulation function according to claim 1, wherein external threads are arranged on the first shell and the second shell, and internal threads matched with the external threads are arranged on the adapter. ​ ​ ​ ​ ​ ​ ​ ​

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