Protection device of differential pressure transmitter
By designing a housing with a fixed differential pressure transmitter and using a three-valve manifold to regulate the pressure, the problem of easy damage to the differential pressure transmitter was solved, achieving safe fixation and pressure control.
Patent Information
- Application Number
- CN202422983294.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Differential pressure transmitters are easily damaged by impacts, and existing technology lacks effective protection devices.
Design a protection device that includes a housing, a fixing assembly, and a three-valve manifold. The differential pressure transmitter is fixed inside the housing, the pressure is regulated by the three-valve manifold, and the device is fixed to the pipeline by the fixing assembly to prevent collision damage.
It effectively protects the differential pressure transmitter from impact damage and prevents overpressure damage by regulating the pressure through a three-valve manifold, thus achieving safe fixation and pressure control of the differential pressure transmitter.
Smart Images
Figure CN223691917U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a transmitter technical field, concretely is a protection device of differential pressure transmitter. BACKGROUND
[0002] Differential pressure transmitter is a typical self-balancing detection instrument, it utilizes the working principle of negative feedback to overcome the influence of component material, processing technology etc. Differential pressure transmitter is used for preventing medium in pipeline from entering transmitter directly, and the pressure sensing diaphragm is connected with the transmitter by filling fluid capillary. It is used for measuring liquid level, flow and pressure of gas or steam. Differential pressure transmitter is directly connected on the outside of the measuring pipeline, and the differential pressure transmitter is exposed, so that the differential pressure transmitter is prone to damage when colliding. SUMMARY
[0003] The utility model discloses a protection device of differential pressure transmitter, prevent differential pressure transmitter from being damaged by collision by setting the shell, and the fixing assembly fixes the differential pressure transmitter on the pipeline, so that the problem that the differential pressure transmitter is prone to damage when colliding is solved.
[0004] The utility model is realized through the following technical schemes:
[0005] The utility model discloses a protection device of differential pressure transmitter, including the box, three valve groups and fixing assembly, the both sides of box inner wall are provided with the boss, and the differential pressure transmitter is installed between two bosses;
[0006] The first threaded hole is formed in one end of two bosses, and the bolt is matched in the first threaded hole, and the three valve groups are installed on the boss;
[0007] The water outlet hole is formed in the back of the box, and the water outlet pipe is installed in the water outlet hole and communicates with the differential pressure transmitter;
[0008] The slide slot is formed in the bottom of the box, and the fixing assembly includes the sliding block, the sliding block is installed in the slide slot, the sliding block is fixedly connected with the clamping plate one end, and the fixed block is installed on the other end of the clamping plate.
[0009] Further, the through hole is formed in the back of the box, the differential pressure transmitter is fixed in the box through the bolt, and the bolt passes through the through hole and is matched with the differential pressure transmitter.
[0010] Further, the box is installed with the box cover, the observation hole is formed in the box cover, and the differential pressure transmitter display screen extends from the observation hole.
[0011] Further, the sliding block is "G" shape, and the sliding block is slidably connected in the slide slot.
[0012] Further, the clamping plate is arc plate, the clamping plate is made of elastic material, and the second threaded hole is formed in the fixed block.
[0013] The utility model has the following beneficial effects:
[0014] The utility model discloses a protection device for differential pressure transmitter, including box, differential pressure transmitter, three valve group and box cover, the differential pressure transmitter is installed in the box, and the differential pressure transmitter is protected in the inside through the box and the box cover, the fixed component is installed at the bottom of the box, and the whole protection device is fixed on the pipeline that needs to be measured through the cooperation of two fixed components, prevents the differential pressure transmitter from being damaged by collision, and three valve groups are installed on the box simultaneously, and the pressure of liquid or gas that enters the differential pressure transmitter is adjusted through the three valve groups, preventing the differential pressure transmitter from being damaged.
[0015] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structural diagram of protection device;
[0017] Figure 2 It is the structural diagram of box;
[0018] Figure 3 It is the structural diagram of box cover;
[0019] Figure 4 It is the structural diagram of fixed component.
[0020] In the drawing: 1, box;2, differential pressure transmitter;3, three valve group;4, box cover;5, water outlet pipe;6, fixed component;101, boss;102, first threaded hole;103, water outlet hole;104, through hole;105, sliding slot;401, observation hole;601, sliding block;602, clamping plate;603, fixed block;604, second threaded hole. DETAILED DESCRIPTION
[0021] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the utility model.
[0022] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the utility model.
[0023] Please refer toFigures 1-4 This utility model provides a technical solution: a protection device for a differential pressure transmitter, including a housing 1, with bosses 101 on both sides of the inner wall of the housing 1, and a first threaded hole 102 opened at one end of each of the two bosses 101, with a bolt fitted in the first threaded hole 102, and a three-valve group 3 installed on the bosses 101.
[0024] In this embodiment, a three-valve assembly 3 is installed on the boss 101. The three-valve assembly 3 has two water inlets, which are connected to the differential pressure transmitter 2. The three-valve assembly 3 consists of a high-pressure valve, a low-pressure valve, and a regulating valve. When the pressure of liquid or gas exceeds the measurement limit of the differential pressure transmitter 2, it will be introduced into the differential pressure transmitter 2. The three-valve assembly 3 will reduce the excessive pressure to prevent damage to the differential pressure transmitter 2.
[0025] A differential pressure transmitter 2 is installed between two bosses 101. A water outlet 103 is provided on the back of the housing 1. A water outlet pipe 5 is installed in the water outlet 103 and is connected to the differential pressure transmitter 2. A through hole 104 is provided on the back of the housing 1. The differential pressure transmitter 2 is fixed in the housing 1 by bolts. The bolts pass through the through hole 104 and cooperate with the differential pressure transmitter 2. A housing cover 4 is installed on the housing 1. An observation hole 401 is provided on the housing cover 4. The display screen of the differential pressure transmitter 2 extends out from the observation hole 401.
[0026] In this embodiment, the differential pressure transmitter 2 is fixed inside the housing 1 with bolts to prevent the differential pressure transmitter 2 from being exposed to the outside and damaged by collisions. The display screen of the differential pressure transmitter 2 extends from the observation hole 401 on the housing cover 4 for easy observation of measurement data.
[0027] The bottom of the housing 1 is provided with a sliding groove 105. The fixing component 6 includes a slider 601, which is installed in the sliding groove 105. The slider 601 is fixedly connected to one end of the clamping plate 602, and a fixing block 603 is installed on the other end of the clamping plate 602. The slider 601 is "I" shaped and slides in the sliding groove 105. The clamping plate 602 is an arc plate made of elastic material. The fixing block 603 is provided with a second threaded hole 604.
[0028] In this embodiment, two fixing components 6 are provided, which are symmetrically arranged at the bottom of the housing 1. The two fixing components 6 slide in the sliding groove 105 at the bottom of the housing 1. The clamp 602 has a certain elasticity, which allows the two fixing components 6 to fit against the pipe to be measured. The two fixing components 6 are fixed by bolts, so that the entire protection device is fixed on the pipe.
[0029] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A protection device for a differential pressure transmitter, characterized by: Includes a housing (1) and a fixing assembly. The housing (1) has protrusions (101) on both sides of its inner wall, and a differential pressure transmitter (2) is installed between the two protrusions (101). Each of the two bosses (101) has a first threaded hole (102) at one end, and a bolt is fitted in the first threaded hole (102). A three-valve assembly (3) is installed on the boss (101). The back of the housing (1) is provided with a water outlet (103), and a water outlet pipe (5) is installed in the water outlet (103). The water outlet pipe (5) is connected to the differential pressure transmitter (2). The bottom of the box (1) is provided with a sliding groove (105). The fixing component (6) includes a slider (601). The slider (601) is installed in the sliding groove (105). The slider (601) is fixedly connected to one end of the clamping plate (602). A fixing block (603) is installed on the other end of the clamping plate (602).
2. The protection device for a differential pressure transmitter according to claim 1, wherein The housing (1) has a through hole (104) on the back. The differential pressure transmitter (2) is fixed inside the housing (1) by bolts. The bolts pass through the through hole (104) and cooperate with the differential pressure transmitter (2).
3. The differential pressure transmitter protection device of claim 1, wherein, The housing (1) is equipped with a cover (4), and the cover (4) has an observation hole (401). The display screen of the differential pressure transmitter (2) extends out from the observation hole (401).
4. The differential pressure transmitter protection device of claim 1, wherein, The slider (601) is in the shape of an "I" and is slidably engaged in the groove (105).
5. The differential pressure transmitter protection device of claim 1, wherein, The clamping plate (602) is an arc-shaped plate, the clamping plate (602) is made of elastic material, and the fixing block (603) is provided with a second threaded hole (604).